diff options
Diffstat (limited to 'TurtleArt')
| -rw-r--r-- | TurtleArt/RtfParser.py | 150 | ||||
| -rw-r--r-- | TurtleArt/audiograb.py | 622 | ||||
| -rw-r--r-- | TurtleArt/rfidutils.py | 123 | ||||
| -rw-r--r-- | TurtleArt/ringbuffer.py | 108 | ||||
| -rw-r--r-- | TurtleArt/tacamera.py | 42 | ||||
| -rw-r--r-- | TurtleArt/tacanvas.py | 227 | ||||
| -rw-r--r-- | TurtleArt/tacollaboration.py | 282 | ||||
| -rw-r--r-- | TurtleArt/taconstants.py | 176 | ||||
| -rw-r--r-- | TurtleArt/taexporthtml.py | 7 | ||||
| -rw-r--r-- | TurtleArt/talogo.py | 198 | ||||
| -rw-r--r-- | TurtleArt/taturtle.py | 4 | ||||
| -rw-r--r-- | TurtleArt/tautils.py | 36 | ||||
| -rw-r--r-- | TurtleArt/tawindow.py | 247 | ||||
| -rw-r--r-- | TurtleArt/v4l2.py | 1914 |
14 files changed, 672 insertions, 3464 deletions
diff --git a/TurtleArt/RtfParser.py b/TurtleArt/RtfParser.py deleted file mode 100644 index 9a141a4..0000000 --- a/TurtleArt/RtfParser.py +++ /dev/null @@ -1,150 +0,0 @@ -#Copyright (c) 2010, Loic Fejoz -#Copyright (c) 2010, Walter Bender - -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU Lesser General Public License as published by -# the Free Software Foundation; either version 3 of the License, or -# (at your option) any later version. -# -# You should have received a copy of the GNU Lesser General Public -# License along with this library; if not, write to the -# Free Software Foundation, Inc., 59 Temple Place - Suite 330, -# Boston, MA 02111-1307, USA. - - -import sys - - -class RtfException(Exception): - pass - -plaintext = 1 -control = 2 -argument = 3 -backslash = 4 -escapedChar = 5 - - -class RtfParser(object): - - def __init__(self, unicode=False): - self.state = plaintext - self.arg = '' - self.token = '' - self.unicode = unicode - self.par = False - self.output = '' - - def getChar(self, code): - """ called when an escaped char is found """ - return chr(code) - - def getNonBreakingSpace(self): - return ' ' - - def pushState(self): - pass - - def popState(self): - pass - - def putChar(self): - pass - - def doControl(self, token, arg): - pass - - def feed(self, txt): - for c in txt: - self.feedChar(c) - - def feedChar(self, char): - if self.state == plaintext: # this is just normal user content - if char == '\\': - self.state = backslash - elif char == '{': - self.pushState() - elif char == '}': - self.popState() - else: - self.putChar(char) - elif self.state == backslash: # a command or escape - if char == '\\' or char == '{' or char == '}': - self.putChar(char) - self.state = plaintext - else: - if char.isalpha() or char in ('*', '-', '|'): - self.state = control - self.token = char - elif char == "'": - self.state = escapedChar - self.escapedChar = '' - elif char in ['\\', '{', '}']: - self.putChar(char) - self.state = plaintext - elif char == "~": # non breaking space - self.putChar(self.getNonBreakingSpace()) - self.state = plaintext - else: - raise RtfException(('unexpected %s after \\' % char)) - elif self.state == escapedChar: - self.escapedChar = self.escapedChar + char - if len(self.escapedChar) == 2: - char = self.getChar(int(self.escapedChar, 16)) - self.putChar(char) - self.state = plaintext - elif self.state == control: # collecting the command token - if char.isalpha(): - self.token = self.token + char - elif char.isdigit() or char == '-': - self.state = argument - self.arg = char - else: - self.doControl(self.token, self.arg) - self.state = plaintext - if char == '\\': - self.state = backslash - elif char == '{': - self.pushState() - elif char == '}': - self.popState() - else: - if not char.isspace(): - self.putChar(char) - elif self.state == argument: # collecting the optional argument - if char.isdigit(): - self.arg = self.arg + char - else: - self.state = plaintext - self.doControl(self.token, self.arg) - if char == '\\': - self.state = backslash - elif char == '{': - self.pushState() - elif char == '}': - self.popState() - else: - if not char.isspace(): - self.putChar(char) - - -class RtfTextOnly(RtfParser): - - def __init__(self): - RtfParser.__init__(self) - self.level = 0 - - def pushState(self): - self.level = self.level + 1 - - def popState(self): - self.level = self.level - 1 - - def putChar(self, ch): - if self.par: - self.output += ch - - def doControl(self, token, arg): - if token[0:3] == 'par': - self.par = True - pass diff --git a/TurtleArt/audiograb.py b/TurtleArt/audiograb.py deleted file mode 100644 index 3ecdc11..0000000 --- a/TurtleArt/audiograb.py +++ /dev/null @@ -1,622 +0,0 @@ -#! /usr/bin/python -# -# Author: Arjun Sarwal arjun@laptop.org -# Copyright (C) 2007, Arjun Sarwal -# Copyright (C) 2009,10 Walter Bender -# Copyright (C) 2009, Benjamin Berg, Sebastian Berg -# Copyright (C) 2009, Sayamindu Dasgupta -# Copyright (C) 2010, Sascha Silbe -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - -import pygst -import gst -import gst.interfaces -from numpy import fromstring -import os -import subprocess -from string import find -from threading import Timer - -# Initial device settings -RATE = 48000 -MIC_BOOST = True -DC_MODE_ENABLE = False -CAPTURE_GAIN = 50 -BIAS = True - -# Setting on quit -QUIT_MIC_BOOST = False -QUIT_DC_MODE_ENABLE = False -QUIT_CAPTURE_GAIN = 100 -QUIT_BIAS = True - -import logging - -_logger = logging.getLogger('TurtleArt') -_logger.setLevel(logging.DEBUG) -logging.basicConfig() - -from taconstants import SENSOR_AC_NO_BIAS, SENSOR_AC_BIAS, SENSOR_DC_NO_BIAS, \ - SENSOR_DC_BIAS, XO1 - - -class AudioGrab: - """ The interface between measure and the audio device """ - - def __init__(self, callable1, activity): - """ Initialize the class: callable1 is a data buffer; - activity is the parent class""" - - self.callable1 = callable1 - self.activity = activity - self.sensor = None - - self.temp_buffer = [0] - self.picture_buffer = [] # place to hold screen grabs - - self.draw_graph_status = False - self.screenshot = True - - self.rate = 48000 - self.final_count = 0 - self.count_temp = 0 - self.entry_count = 0 - - self.counter_buffer = 0 - - self._dc_control = None - self._mic_bias_control = None - self._capture_control = None - self._mic_boost_control = None - self._hardwired = False # Query controls or use hardwired names - - # Set up gst pipeline - self.pipeline = gst.Pipeline("pipeline") - self.alsasrc = gst.element_factory_make("alsasrc", "alsa-source") - self.pipeline.add(self.alsasrc) - self.caps1 = gst.element_factory_make("capsfilter", "caps1") - self.pipeline.add(self.caps1) - caps_str = "audio/x-raw-int,rate=%d,channels=1,depth=16" % (RATE) - self.caps1.set_property("caps", gst.caps_from_string(caps_str)) - self.fakesink = gst.element_factory_make("fakesink", "fsink") - self.pipeline.add(self.fakesink) - self.fakesink.connect("handoff", self.on_buffer) - self.fakesink.set_property("signal-handoffs", True) - gst.element_link_many(self.alsasrc, self.caps1, self.fakesink) - - self.dont_queue_the_buffer = False - - self._mixer = gst.element_factory_make('alsamixer') - rc = self._mixer.set_state(gst.STATE_PAUSED) - assert rc == gst.STATE_CHANGE_SUCCESS - - # Query the available controls - try: # F11+ - _logger.debug('controls: %r', [t.props.untranslated_label \ - for t in self._mixer.list_tracks()]) - self._dc_control = self._find_control(['dc mode']) - self._mic_bias_control = self._find_control(['mic bias', - 'dc input bias', - 'v_refout']) - self._mic_boost_control = self._find_control(['mic boost', - 'mic boost (+20db)', - 'internal mic boost', - 'analog mic boost']) - self._mic_gain_control = self._find_control(['mic']) - self._capture_control = self._find_control(['capture']) - self._master_control = self._find_control(['master']) - except AttributeError: # F9- (no untranslated_label attribute) - self._hardwired = True - - # Variables for saving and resuming state of sound device - self.master = self.get_master() - self.bias = BIAS - self.dcmode = DC_MODE_ENABLE - self.capture_gain = CAPTURE_GAIN - self.mic_boost = MIC_BOOST - self.mic = self.get_mic_gain() - - # Timer for interval sampling and switch to indicate when to capture - self.capture_timer = None - self.capture_interval_sample = False - - def set_handoff_signal(self, handoff_state): - """Sets whether the handoff signal would generate an interrupt or not""" - self.fakesink.set_property("signal-handoffs", handoff_state) - - def _new_buffer(self, buf): - """ Use a new buffer """ - if not self.dont_queue_the_buffer: - self.temp_buffer = buf - self.callable1(buf) - else: - pass - - def on_buffer(self, element, buffer, pad): - """The function that is called whenever new data is available - This is the signal handler for the handoff signal""" - if buffer is None: - _logger.debug('audiograb buffer is None') - return False - - temp_buffer = fromstring(buffer, 'int16') - if not self.dont_queue_the_buffer: - self._new_buffer(temp_buffer) - return False - - def set_sensor(self, sensor): - """Keep a reference to the sensot toolbar for logging""" - self.sensor = sensor - - def start_sound_device(self): - """Start or Restart grabbing data from the audio capture""" - gst.event_new_flush_start() - self.pipeline.set_state(gst.STATE_PLAYING) - - def stop_sound_device(self): - """Stop grabbing data from capture device""" - gst.event_new_flush_stop() - self.pipeline.set_state(gst.STATE_NULL) - - def set_sampling_rate(self, sr): - """Sets the sampling rate of the capture device - Sampling rate must be given as an integer for example 16000 for - setting 16Khz sampling rate - The sampling rate would be set in the device to the nearest available""" - self.pause_grabbing() - caps_str = "audio/x-raw-int,rate=%d,channels=1,depth=16" % (sr, ) - self.caps1.set_property("caps", gst.caps_from_string(caps_str)) - self.resume_grabbing() - - def get_sampling_rate(self): - """Gets the sampling rate of the capture device""" - return int(self.caps1.get_property("caps")[0]['rate']) - - def set_callable1(self, callable1): - """Sets the callable to the drawing function for giving the - data at the end of idle-add""" - self.callable1 = callable1 - - def start_grabbing(self): - """Called right at the start of the Activity""" - self.start_sound_device() - - def pause_grabbing(self): - """When Activity goes into background""" - self.save_state() - self.stop_sound_device() - - def resume_grabbing(self): - """When Activity becomes active after going to background""" - self.start_sound_device() - self.resume_state() - - def stop_grabbing(self): - """Not used ???""" - self.stop_sound_device() - self.set_handoff_signal(False) - - def _find_control(self, prefixes): - """Try to find a mixer control matching one of the prefixes. - - The control with the best match (smallest difference in length - between label and prefix) will be returned. If no match is found, - None is returned. - """ - def best_prefix(label, prefixes): - matches =\ - [len(label) - len(p) for p in prefixes if label.startswith(p)] - if not matches: - return None - - matches.sort() - return matches[0] - - controls = [] - for track in self._mixer.list_tracks(): - label = track.props.untranslated_label.lower() - diff = best_prefix(label, prefixes) - if diff is not None: - controls.append((track, diff)) - - controls.sort(key=lambda e: e[1]) - if controls: - _logger.debug("found control: %s" %\ - (str(controls[0][0].props.untranslated_label))) - return controls[0][0] - - return None - - def save_state(self): - """Saves the state of all audio controls""" - self.master = self.get_master() - self.bias = self.get_bias() - self.dcmode = self.get_dc_mode() - self.capture_gain = self.get_capture_gain() - self.mic_boost = self.get_mic_boost() - - def resume_state(self): - """Put back all audio control settings from the saved state""" - self.set_master(self.master) - self.set_bias(self.bias) - self.set_dc_mode(self.dcmode) - self.set_capture_gain(self.capture_gain) - self.set_mic_boost(self.mic_boost) - - def _get_mute(self, control, name, default): - """Get mute status of a control""" - if not control: - return default - - value = bool(control.flags & gst.interfaces.MIXER_TRACK_MUTE) - _logger.debug('Getting %s (%s) mute status: %r', name, - control.props.untranslated_label, value) - return value - - def _set_mute(self, control, name, value): - """Mute a control""" - if not control: - return - - self._mixer.set_mute(control, value) - _logger.debug('Set mute for %s (%s) to %r', name, - control.props.untranslated_label, value) - - def _get_volume(self, control, name): - """Get volume of a control and convert to a scale of 0-100""" - if not control: - return 100 - - try: # sometimes get_volume does not return a tuple - hw_volume = self._mixer.get_volume(control)[0] - except IndexError: - return 100 - - min_vol = control.min_volume - max_vol = control.max_volume - percent = (hw_volume - min_vol)*100//(max_vol - min_vol) - return percent - - def _set_volume(self, control, name, value): - """Sets the level of a control on a scale of 0-100""" - if not control: - return - - # convert value to scale of control - min_vol = control.min_volume - max_vol = control.max_volume - if min_vol != max_vol: - hw_volume = value*(max_vol - min_vol)//100 + min_vol - self._mixer.set_volume(control, (hw_volume,)*control.num_channels) - - def amixer_set(self, control, state): - """ Direct call to amixer for old systems. """ - if state: - os.system("amixer set '%s' unmute" % (control)) - else: - os.system("amixer set '%s' mute" % (control)) - - def mute_master(self): - """Mutes the Master Control""" - if not self._hardwired and self.activity.hw != XO1: - self._set_mute(self._master_control, 'Master', True) - else: - self.amixer_set('Master', False) - - def unmute_master(self): - """Unmutes the Master Control""" - if not self._hardwired and self.activity.hw != XO1: - self._set_mute(self._master_control, 'Master', True) - else: - self.amixer_set('Master', True) - - def set_master(self, master_val): - """Sets the Master gain slider settings - master_val must be given as an integer between 0 and 100 indicating the - percentage of the slider to be set""" - if not self._hardwired: - self._set_volume(self._master_control, 'Master', master_val) - else: - os.system("amixer set Master " + str(master_val) + "%") - - def get_master(self): - """Gets the Master gain slider settings. The value returned is an - integer between 0-100 and is an indicative of the percentage 0 - 100%""" - if not self._hardwired: - return self._get_volume(self._master_control, 'master') - else: - p = str(subprocess.Popen(["amixer", "get", "Master"], - stdout=subprocess.PIPE).communicate()[0]) - p = p[find(p, "Front Left:"):] - p = p[find(p, "[")+1:] - p = p[:find(p, "%]")] - return int(p) - - def set_bias(self, bias_state=False): - """Enables / disables bias voltage.""" - if not self._hardwired and self.activity.hw != XO1: - if self._mic_bias_control is None: - return - # if not isinstance(self._mic_bias_control, - # gst.interfaces.MixerOptions): - if self._mic_bias_control not in self._mixer.list_tracks(): - return self._set_mute(self._mic_bias_control, 'Mic Bias', - not bias_state) - - # We assume that values are sorted from lowest (=off) to highest. - # Since they are mixed strings ("Off", "50%", etc.), we cannot - # easily ensure this by sorting with the default sort order. - try: - if bias_state: - # self._mixer.set_option(self._mic_bias_control, values[-1]) - self._mixer.set_volume(self._mic_bias_control, - self._mic_bias_control.max_volume) - else: - self._mixer.set_volume(self._mic_bias_control, - self._mic_bias_control.min_volume) - # self._mixer.set_option(self._mic_bias_control, values[0]) - except TypeError: - self._set_mute(self._mic_bias_control, 'Mic Bias', - not bias_state) - elif self._hardwired: - self.amixer_set('V_REFOUT Enable', bias_state) - else: - self.amixer_set('MIC Bias Enable', bias_state) - - def get_bias(self): - """Check whether bias voltage is enabled.""" - if not self._hardwired: - if self._mic_bias_control is None: - return False - if self._mic_bias_control not in self._mixer.list_tracks(): - return not self._get_mute(self._mic_bias_control, 'Mic Bias', - False) - current = self._mixer.get_volume(self._mic_bias_control) - # same ordering assertion as in set_bias() applies - # if current == values[0]: - if current == self._mic_bias_control.min_volume: - return False - return True - else: - p = str(subprocess.Popen(["amixer", "get", "'V_REFOUT Enable'"], - stdout=subprocess.PIPE).communicate()[0]) - p = p[find(p, "Mono:"):] - p = p[find(p, "[")+1:] - p = p[:find(p, "]")] - if p == "on": - return True - return False - - def set_dc_mode(self, dc_mode=False): - """Sets the DC Mode Enable control - pass False to mute and True to unmute""" - if not self._hardwired and self.activity.hw != XO1: - if self._dc_control is not None: - self._set_mute(self._dc_control, 'DC mode', not dc_mode) - else: - self.amixer_set('DC Mode Enable', dc_mode) - - def get_dc_mode(self): - """Returns the setting of DC Mode Enable control - i .e. True: Unmuted and False: Muted""" - if not self._hardwired: - if self._dc_control is not None: - return not self._get_mute(self._dc_control, 'DC mode', False) - else: - return False - else: - p = str(subprocess.Popen(["amixer", "get", "'DC Mode Enable'"], - stdout=subprocess.PIPE).communicate()[0]) - p = p[find(p, "Mono:"):] - p = p[find(p, "[")+1:] - p = p[:find(p, "]")] - if p == "on": - return True - else: - return False - - def set_mic_boost(self, mic_boost=False): - """Set Mic Boost. - True = +20dB, False = 0dB""" - if not self._hardwired: - if self._mic_boost_control is None: - return - if self._mic_boost_control not in self._mixer.list_tracks(): - return self._set_mute(self._mic_boost_control, 'Mic Boost', - mic_boost) - value = self._mixer.get_volume(self._mic_boost_control) - try: - if mic_boost: - self._mixer.set_volume(self._mic_boost_control, - self._mic_boost_control.max_volume) - else: - self._mixer.set_volume(self._mic_boost_control, - self._mic_boost_control.min_volume) - except TypeError: - return self._set_mute(self._mic_boost_control, 'Mic Boost', - not mic_boost) - else: - self.amixer_set('Mic Boost (+20dB)', mic_boost) - - def get_mic_boost(self): - """Return Mic Boost setting. - True = +20dB, False = 0dB""" - if not self._hardwired: - if self._mic_boost_control is None: - return False - if self._mic_boost_control not in self._mixer.list_tracks(): - return self._get_mute(self._mic_boost_control, 'Mic Boost', - False) - current = self._mixer.get_volume(self._mic_boost_control) - _logger.debug('current: %s' % (str(current))) - if current != self._mic_boost_control.min_volume: - return True - return False - else: - p = str(subprocess.Popen(["amixer", "get", "'Mic Boost (+20dB)'"], - stdout=subprocess.PIPE).communicate()[0]) - p = p[find(p, "Mono:"):] - p = p[find(p, "[")+1:] - p = p[:find(p, "]")] - if p == "on": - return True - else: - return False - - def set_capture_gain(self, capture_val): - """Sets the Capture gain slider settings - capture_val must be given as an integer between 0 and 100 indicating the - percentage of the slider to be set""" - if not self._hardwired and self.activity.hw != XO1: - if self._capture_control is not None: - self._set_volume(self._capture_control, 'Capture', capture_val) - else: - os.system("amixer set Capture " + str(capture_val) + "%") - - def get_capture_gain(self): - """Gets the Capture gain slider settings. The value returned is an - integer between 0-100 and is an indicative of the percentage 0 - 100%""" - if not self._hardwired: - if self._capture_control is not None: - return self._get_volume(self._capture_control, 'Capture') - else: - return 0 - else: - p = str(subprocess.Popen(["amixer", "get", "Capture"], - stdout=subprocess.PIPE).communicate()[0]) - p = p[find(p, "Front Left:"):] - p = p[find(p, "[")+1:] - p = p[:find(p, "%]")] - return int(p) - - def set_mic_gain(self, mic_val): - """Sets the MIC gain slider settings - mic_val must be given as an integer between 0 and 100 indicating the - percentage of the slider to be set""" - if not self._hardwired and self.activity.hw != XO1: - self._set_volume(self._mic_gain_control, 'Mic', mic_val) - else: - os.system("amixer set Mic " + str(mic_val) + "%") - - def get_mic_gain(self): - """Gets the MIC gain slider settings. The value returned is an - integer between 0-100 and is an indicative of the percentage 0 - 100%""" - if not self._hardwired: - return self._get_volume(self._mic_gain_control, 'Mic') - else: - p = str(subprocess.Popen(["amixer", "get", "Mic"], - stdout=subprocess.PIPE).communicate()[0]) - try: - p = p[find(p, "Mono:"):] - p = p[find(p, "[")+1:] - p = p[:find(p, "%]")] - return int(p) - except: - return(0) - - def set_sensor_type(self, sensor_type=SENSOR_AC_BIAS): - """Set the type of sensor you want to use. Set sensor_type according - to the following - SENSOR_AC_NO_BIAS - AC coupling with Bias Off --> Very rarely used. - Use when connecting a dynamic microphone externally - SENSOR_AC_BIAS - AC coupling with Bias On --> The default settings. - The internal MIC uses these - SENSOR_DC_NO_BIAS - DC coupling with Bias Off --> measuring voltage - output sensor. For example LM35 which gives output proportional - to temperature - SENSOR_DC_BIAS - DC coupling with Bias On --> measuing resistance. - """ - PARAMETERS = { - SENSOR_AC_NO_BIAS: (False, False, 50, True), - SENSOR_AC_BIAS: (False, True, 40, True), - SENSOR_DC_NO_BIAS: (True, False, 0, False), - SENSOR_DC_BIAS: (True, True, 0, False) - } - mode, bias, gain, boost = PARAMETERS[sensor_type] - _logger.debug("====================================") - _logger.debug("Set Sensor Type to %s" % (str(sensor_type))) - self._set_sensor_type(mode, bias, gain, boost) - _logger.debug("====================================") - - def _set_sensor_type(self, mode=None, bias=None, gain=None, boost=None): - """Helper to modify (some) of the sensor settings.""" - if mode is not None: - self.set_dc_mode(mode) - if self._dc_control is not None: - os.system("amixer get '%s'" %\ - (self._dc_control.props.untranslated_label)) - if bias is not None: - self.set_bias(bias) - if self._mic_bias_control is not None: - os.system("amixer get '%s'" %\ - (self._mic_bias_control.props.untranslated_label)) - if gain is not None: - self.set_capture_gain(gain) - if self._capture_control is not None: - os.system("amixer get '%s'" %\ - (self._capture_control.props.untranslated_label)) - if boost is not None: - self.set_mic_boost(boost) - if self._mic_boost_control is not None: - os.system("amixer get '%s'" %\ - (self._mic_boost_control.props.untranslated_label)) - - def on_activity_quit(self): - """When Activity quits""" - self.set_mic_boost(QUIT_MIC_BOOST) - self.set_dc_mode(QUIT_DC_MODE_ENABLE) - self.set_capture_gain(QUIT_CAPTURE_GAIN) - self.set_bias(QUIT_BIAS) - self.stop_sound_device() - - -class AudioGrab_XO1(AudioGrab): - """ Use default parameters for OLPC XO 1.0 laptop """ - pass - - -class AudioGrab_XO15(AudioGrab): - """ Override parameters for OLPC XO 1.5 laptop """ - def set_sensor_type(self, sensor_type=SENSOR_AC_BIAS): - """Helper to modify (some) of the sensor settings.""" - PARAMETERS = { - SENSOR_AC_NO_BIAS: (False, False, 80, True), - SENSOR_AC_BIAS: (False, True, 80, True), - SENSOR_DC_NO_BIAS: (True, False, 80, False), - SENSOR_DC_BIAS: (True, True, 90, False) - } - _logger.debug("====================================") - _logger.debug("Set Sensor Type to %s" % (str(sensor_type))) - mode, bias, gain, boost = PARAMETERS[sensor_type] - self._set_sensor_type(mode, bias, gain, boost) - _logger.debug("====================================") - - -class AudioGrab_Unknown(AudioGrab): - """ Override parameters for generic hardware """ - def set_sensor_type(self, sensor_type=SENSOR_AC_BIAS): - """Helper to modify (some) of the sensor settings.""" - PARAMETERS = { - SENSOR_AC_NO_BIAS: (None, False, 50, True), - SENSOR_AC_BIAS: (None, True, 40, True), - SENSOR_DC_NO_BIAS: (True, False, 80, False), - SENSOR_DC_BIAS: (True, True, 90, False) - } - _logger.debug("====================================") - _logger.debug("Set Sensor Type to %s" % (str(sensor_type))) - mode, bias, gain, boost = PARAMETERS[sensor_type] - self._set_sensor_type(mode, bias, gain, boost) - _logger.debug("====================================") diff --git a/TurtleArt/rfidutils.py b/TurtleArt/rfidutils.py deleted file mode 100644 index f2c74b4..0000000 --- a/TurtleArt/rfidutils.py +++ /dev/null @@ -1,123 +0,0 @@ -# utils.py - Helper functions for tis2000.py -# Copyright (C) 2010 Emiliano Pastorino <epastorino@plan.ceibal.edu.uy> -# -# This program is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation, either version 3 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program. If not, see <http://www.gnu.org/licenses/>. - -import os -import logging - -def find_device(): - """ - Search for devices. - Return a device instance or None. - """ - device = None - for i in os.listdir(os.path.join('.', 'devices')): - if not os.path.isdir(os.path.join('.', 'devices', i)): - try: - _tempmod = __import__('devices.%s'%i.split('.')[0], globals(), - locals(), ['RFIDReader'], -1) - devtemp = _tempmod.RFIDReader() - if devtemp.get_present() == True: - device = devtemp - except Exception, e: - # logging.error("FIND_DEVICE: %s: %s"%(i, e)) - pass - if device is None: - logging.debug("No RFID device found") - return device - - -def strhex2bin(strhex): - """ - Convert a string representing an hex value into a - string representing the same value in binary format. - """ - dic = { '0':"0000", - '1':"0001", - '2':"0010", - '3':"0011", - '4':"0100", - '5':"0101", - '6':"0110", - '7':"0111", - '8':"1000", - '9':"1001", - 'A':"1010", - 'B':"1011", - 'C':"1100", - 'D':"1101", - 'E':"1110", - 'F':"1111" - } - binstr = "" - for i in strhex: - binstr = binstr + dic[i.upper()] - return binstr - -def strbin2dec(strbin): - """ - Convert a string representing a binary value into a - string representing the same value in decimal format. - """ - strdec = "0" - for i in range(1, strbin.__len__()+1): - strdec = str(int(strdec)+int(strbin[-i])*int(pow(2, i-1))) - return strdec - -def dec2bin(ndec): - """ - Convert a decimal number into a string representing - the same value in binary format. - """ - if ndec < 1: - return "0" - binary = [] - while ndec != 0: - binary.append(ndec%2) - ndec = ndec/2 - strbin = "" - binary.reverse() - for i in binary: - strbin = strbin+str(i) - return strbin - -def bin2hex(strbin): - """ - Convert a string representing a binary number into a string - representing the same value in hexadecimal format. - """ - dic = { "0000":"0", - "0001":"1", - "0010":"2", - "0011":"3", - "0100":"4", - "0101":"5", - "0110":"6", - "0111":"7", - "1000":"8", - "1001":"9", - "1010":"A", - "1011":"B", - "1100":"C", - "1101":"D", - "1110":"E", - "1111":"F" - } - while strbin.__len__()%4 != 0: - strbin = '0' + strbin - strh = "" - for i in range(0, strbin.__len__()/4): - strh = strh + dic[str(strbin[i*4:i*4+4])] - return strh diff --git a/TurtleArt/ringbuffer.py b/TurtleArt/ringbuffer.py deleted file mode 100644 index 2afb5c9..0000000 --- a/TurtleArt/ringbuffer.py +++ /dev/null @@ -1,108 +0,0 @@ -# Copyright (C) 2009, Benjamin Berg, Sebastian Berg -# Copyright (C) 2010, Walter Bender -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - -import numpy as np - - -class RingBuffer1d(object): - """This class implements an array being written in as a ring and that can - be read from continuously ending with the newest data or starting with the - oldest. It returns a numpy array copy of the data; - """ - - def __init__(self, length, dtype=None): - """Initialize the 1 dimensional ring buffer with the given lengths. - The initial values are all 0s - """ - self.offset = 0 - - self._data = np.zeros(length, dtype=dtype) - - self.stored = 0 - - def fill(self, number): - self._data.fill(number) - self.offset = 0 - - def append(self, data): - """Append to the ring buffer (and overwrite old data). If len(data) - is greater then the ring buffers length, the newest data takes - precedence. - """ - data = np.asarray(data) - - if len(self._data) == 0: - return - - if len(data) >= len(self._data): - self._data[:] = data[-len(self._data):] - self.offset = 0 - self.stored = len(self._data) - - elif len(self._data) - self.offset >= len(data): - self._data[self.offset: self.offset + len(data)] = data - self.offset = self.offset + len(data) - self.stored += len(data) - else: - self._data[self.offset:] = data[:len(self._data) - self.offset] - self._data[:len(data) - (len(self._data) - self.offset)] = \ - data[-len(data) + (len(self._data) - self.offset):] - self.offset = len(data) - (len(self._data) - self.offset) - self.stored += len(data) - - if len(self._data) <= self.stored: - self.read = self._read - - def read(self, number=None, step=1): - """Read the ring Buffer. Number can be positive or negative. - Positive values will give the latest information, negative values will - give the newest added information from the buffer. (in normal order) - - Before the buffer is filled once: This returns just None - """ - return np.array([]) - - def _read(self, number=None, step=1): - """Read the ring Buffer. Number can be positive or negative. - Positive values will give the latest information, negative values will - give the newest added information from the buffer. (in normal order) - """ - if number == None: - number = len(self._data) // step - - number *= step - assert abs(number) <= len(self._data), \ - 'Number to read*step must be smaller then length' - - if number < 0: - if abs(number) <= self.offset: - return self._data[self.offset + number:self.offset:step] - - spam = (self.offset - 1) % step - - return np.concatenate( - (self._data[step - spam - 1 + self.offset + number::step], - self._data[spam:self.offset:step])) - - if number - (len(self._data) - self.offset) > 0: - spam = ((self.offset + number) - self.offset - 1) % step - return np.concatenate( - (self._data[self.offset:self.offset + number:step], - self._data[spam:number - - (len(self._data) - self.offset):step])) - - return self._data[self.offset:self.offset + number:step].copy() diff --git a/TurtleArt/tacamera.py b/TurtleArt/tacamera.py deleted file mode 100644 index 2177288..0000000 --- a/TurtleArt/tacamera.py +++ /dev/null @@ -1,42 +0,0 @@ -# -*- coding: utf-8 -*- -#Copyright (c) 2010, Walter Bender -#Copyright (c) 2010, Tony Forster - -#Permission is hereby granted, free of charge, to any person obtaining a copy -#of this software and associated documentation files (the "Software"), to deal -#in the Software without restriction, including without limitation the rights -#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -#copies of the Software, and to permit persons to whom the Software is -#furnished to do so, subject to the following conditions: - -#The above copyright notice and this permission notice shall be included in -#all copies or substantial portions of the Software. - -#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -#FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -#AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -#LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -#OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -#THE SOFTWARE. - -import gst, time - -GST_PIPE = ['v4l2src', 'ffmpegcolorspace', 'pngenc'] - -class Camera(): - """ A class for representing the video camera """ - - def __init__(self, imagepath): - GST_PIPE.append('filesink location=%s' % imagepath) - self.pipe = gst.parse_launch('!'.join(GST_PIPE)) - self.bus = self.pipe.get_bus() - - def save_camera_input_to_file(self): - """ Grab a frame from the camera """ - self.pipe.set_state(gst.STATE_PLAYING) - self.bus.poll(gst.MESSAGE_EOS, -1) - - def stop_camera_input(self): - self.pipe.set_state(gst.STATE_NULL) - diff --git a/TurtleArt/tacanvas.py b/TurtleArt/tacanvas.py index d4395a2..79bdd04 100644 --- a/TurtleArt/tacanvas.py +++ b/TurtleArt/tacanvas.py @@ -1,5 +1,5 @@ #Copyright (c) 2007-8, Playful Invention Company. -#Copyright (c) 2008-10, Walter Bender +#Copyright (c) 2008-11, Walter Bender #Copyright (c) 2011 Collabora Ltd. <http://www.collabora.co.uk/> #Permission is hereby granted, free of charge, to any person obtaining a copy @@ -24,10 +24,11 @@ import gtk from math import sin, cos, pi import pango import cairo +import base64 from sprites import Sprite from tasprite_factory import SVG -from tautils import image_to_base64, data_to_string, round_int +from tautils import image_to_base64, get_path, data_to_string, round_int from taconstants import CANVAS_LAYER, BLACK, WHITE import logging @@ -43,6 +44,23 @@ def wrap100(n): return n +def calc_poly_bounds(poly_points): + """ Calculate the minx, miny, width, height of polygon """ + minx = poly_points[0][0] + miny = poly_points[0][1] + maxx, maxy = minx, miny + for p in poly_points: + if p[0] < minx: + minx = p[0] + elif p[0] > maxx: + maxx = p[0] + if p[1] < miny: + miny = p[1] + elif p[1] > maxy: + maxy = p[1] + return(minx, miny, maxx - minx, maxy - miny) + + def calc_shade(c, s, invert=False): """ Convert a color to the current shade (lightness/darkness). """ # Assumes 16 bit input values @@ -148,27 +166,24 @@ class TurtleGraphics: self.fill = False if len(self.poly_points) == 0: return - minx = self.poly_points[0][0] - miny = self.poly_points[0][1] - maxx = minx - maxy = miny - for p in self.poly_points: - if p[0] < minx: - minx = p[0] - elif p[0] > maxx: - maxx = p[0] - if p[1] < miny: - miny = p[1] - elif p[1] > maxy: - maxy = p[1] - w = maxx - minx - h = maxy - miny - self.canvas.images[0].draw_polygon(self.gc, True, self.poly_points) + self.fill_polygon(self.poly_points) + if self.tw.sharing(): + shared_poly_points = [] + for p in self.poly_points: + shared_poly_points.append((self.screen_to_turtle_coordinates( + p[0], p[1]))) + event = "F|%s" % (data_to_string([self._get_my_nick(), + shared_poly_points])) + self.tw.send_event(event) + self.poly_points = [] + + def fill_polygon(self, poly_points): + minx, miny, w, h = calc_poly_bounds(poly_points) + self.canvas.images[0].draw_polygon(self.gc, True, poly_points) self.invalt(minx - self.pensize * self.tw.coord_scale / 2 - 3, miny - self.pensize * self.tw.coord_scale / 2 - 3, w + self.pensize * self.tw.coord_scale + 6, h + self.pensize * self.tw.coord_scale + 6) - self.poly_points = [] def clearscreen(self, share=True): """Clear the canvas and reset most graphics attributes to defaults.""" @@ -215,13 +230,14 @@ class TurtleGraphics: self.move_turtle() if self.tw.saving_svg and self.pendown: self.tw.svg_string += self.svg.new_path(oldx, - self.height / 2 - oldy) + self.invert_y_coordinate(oldy)) self.tw.svg_string += self.svg.line_to(self.xcor, - self.height / 2 - self.ycor) + self.invert_y_coordinate(self.ycor)) self.tw.svg_string += "\"\n" self.tw.svg_string += self.svg.style() - event = "f|%s" % (data_to_string([self._get_my_nick(), int(n)])) - self._send_event(event, share) + if self.tw.sharing() and share: + event = "f|%s" % (data_to_string([self._get_my_nick(), int(n)])) + self.tw.send_event(event) def seth(self, n, share=True): """ Set the turtle heading. """ @@ -232,8 +248,10 @@ class TurtleGraphics: return self.heading %= 360 self.turn_turtle() - event = "r|%s" % (data_to_string([self._get_my_nick(), round_int(self.heading)])) - self._send_event(event, share) + if self.tw.sharing() and share: + event = "r|%s" % (data_to_string([self._get_my_nick(), + round_int(self.heading)])) + self.tw.send_event(event) def right(self, n, share=True): """ Rotate turtle clockwise """ @@ -244,8 +262,10 @@ class TurtleGraphics: return self.heading %= 360 self.turn_turtle() - event = "r|%s" % (data_to_string([self._get_my_nick(), round_int(self.heading)])) - self._send_event(event, share) + if self.tw.sharing() and share: + event = "r|%s" % (data_to_string([self._get_my_nick(), + round_int(self.heading)])) + self.tw.send_event(event) def arc(self, a, r, share=True): """ Draw an arc """ @@ -260,8 +280,10 @@ class TurtleGraphics: _logger.debug("bad value sent to %s" % (__name__)) return self.move_turtle() - event = "a|%s" % (data_to_string([self._get_my_nick(), [round_int(a), round_int(r)]])) - self._send_event(event, share) + if self.tw.sharing() and share: + event = "a|%s" % (data_to_string([self._get_my_nick(), + [round_int(a), round_int(r)]])) + self.tw.send_event(event) def rarc(self, a, r): """ draw a clockwise arc """ @@ -274,8 +296,7 @@ class TurtleGraphics: oldx, oldy = self.xcor, self.ycor cx = self.xcor + r * cos(self.heading * DEGTOR) cy = self.ycor - r * sin(self.heading * DEGTOR) - x = self.width / 2 + int(cx - r) - y = self.height / 2 - int(cy + r) + x, y = self.turtle_to_screen_coordinates(int(cx - r), int(cy + r)) w = int(2 * r) h = w if self.pendown: @@ -290,9 +311,10 @@ class TurtleGraphics: self.ycor = cy + r * sin(self.heading * DEGTOR) if self.tw.saving_svg and self.pendown: self.tw.svg_string += self.svg.new_path(oldx, - self.height / 2 - oldy) + self.invert_y_coordinate(oldx)) self.tw.svg_string += self.svg.arc_to(self.xcor, - self.height / 2 - self.ycor, r, a, 0, s) + self.invert_y_coordinate(self.ycor), + r, a, 0, s) self.tw.svg_string += "\"\n" self.tw.svg_string += self.svg.style() @@ -307,8 +329,7 @@ class TurtleGraphics: oldx, oldy = self.xcor, self.ycor cx = self.xcor - r * cos(self.heading * DEGTOR) cy = self.ycor + r * sin(self.heading * DEGTOR) - x = self.width / 2 + int(cx - r) - y = self.height / 2 - int(cy + r) + x, y = self.turtle_to_screen_coordinates(int(cx - r), int(cy + r)) w = int(2 * r) h = w if self.pendown: @@ -324,9 +345,9 @@ class TurtleGraphics: self.ycor = cy - r * sin(self.heading * DEGTOR) if self.tw.saving_svg and self.pendown: self.tw.svg_string += self.svg.new_path(oldx, - self.height / 2 - oldy) + self.invert_y_coordinate(oldy)) self.tw.svg_string += self.svg.arc_to(self.xcor, - self.height / 2 - self.ycor, + self.invert_y_coordinate(self.ycor), r, a, 0, s) self.tw.svg_string += "\"\n" self.tw.svg_string += self.svg.style() @@ -347,8 +368,10 @@ class TurtleGraphics: self.draw_line(oldx, oldy, self.xcor, self.ycor) self.move_turtle() - event = "x|%s" % (data_to_string([self._get_my_nick(), [round_int(x), round_int(y)]])) - self._send_event(event, share) + if self.tw.sharing() and share: + event = "x|%s" % (data_to_string([self._get_my_nick(), + [round_int(x), round_int(y)]])) + self.tw.send_event(event) def setpensize(self, ps, share=True): """ Set the pen size """ @@ -361,10 +384,12 @@ class TurtleGraphics: return self.tw.active_turtle.set_pen_size(ps) self.gc.set_line_attributes(int(self.pensize * self.tw.coord_scale), - gtk.gdk.LINE_SOLID, gtk.gdk.CAP_ROUND, gtk.gdk.JOIN_MITER) + gtk.gdk.LINE_SOLID, gtk.gdk.CAP_ROUND, gtk.gdk.JOIN_MITER) self.svg.set_stroke_width(self.pensize) - event = "w|%s" % (data_to_string([self._get_my_nick(), round_int(ps)])) - self._send_event(event, share) + if self.tw.sharing() and share: + event = "w|%s" % (data_to_string([self._get_my_nick(), + round_int(ps)])) + self.tw.send_event(event) def setcolor(self, c, share=True): """ Set the pen color """ @@ -377,8 +402,10 @@ class TurtleGraphics: self.tw.active_turtle.set_color(c) self.set_fgcolor() self.set_textcolor() - event = "c|%s" % (data_to_string([self._get_my_nick(), round_int(c)])) - self._send_event(event, share) + if self.tw.sharing() and share: + event = "c|%s" % (data_to_string([self._get_my_nick(), + round_int(c)])) + self.tw.send_event(event) def setgray(self, g, share=True): """ Set the gray level """ @@ -394,10 +421,12 @@ class TurtleGraphics: self.set_fgcolor() self.set_textcolor() self.tw.active_turtle.set_gray(self.gray) - event = "g|%s" % (data_to_string([self._get_my_nick(), round_int(self.gray)])) - self._send_event(event, share) + if self.tw.sharing() and share: + event = "g|%s" % (data_to_string([self._get_my_nick(), + round_int(self.gray)])) + self.tw.send_event(event) - def settextcolor(self, c): + def settextcolor(self, c): # depreciated """ Set the text color """ try: self.tcolor = c @@ -423,8 +452,10 @@ class TurtleGraphics: self.tw.active_turtle.set_shade(s) self.set_fgcolor() self.set_textcolor() - event = "s|%s" % (data_to_string([self._get_my_nick(), round_int(s)])) - self._send_event(event, share) + if self.tw.sharing() and share: + event = "s|%s" % (data_to_string([self._get_my_nick(), + round_int(s)])) + self.tw.send_event(event) def fillscreen(self, c, s): """ Fill screen with color/shade and reset to defaults """ @@ -479,10 +510,11 @@ class TurtleGraphics: """ Lower or raise the pen """ self.pendown = bool self.tw.active_turtle.set_pen_state(bool) - event = "p|%s" % (data_to_string([self._get_my_nick(), bool])) - self._send_event(event, share) + if self.tw.sharing() and share: + event = "p|%s" % (data_to_string([self._get_my_nick(), bool])) + self.tw.send_event(event) - def draw_pixbuf(self, pixbuf, a, b, x, y, w, h, path): + def draw_pixbuf(self, pixbuf, a, b, x, y, w, h, path, share=True): """ Draw a pixbuf """ w *= self.tw.coord_scale h *= self.tw.coord_scale @@ -492,12 +524,31 @@ class TurtleGraphics: if self.tw.running_sugar: # In Sugar, we need to embed the images inside the SVG self.tw.svg_string += self.svg.image(x - self.width / 2, - y, w, h, path, image_to_base64(pixbuf, self.tw.activity)) + y, w, h, path, image_to_base64(pixbuf, + get_path(self.tw.activity, 'instance'))) else: + # Outside of Sugar, we save a path self.tw.svg_string += self.svg.image(x - self.width / 2, y, w, h, path) - - def draw_text(self, label, x, y, size, w): + if self.tw.sharing() and share: + if self.tw.running_sugar: + tmp_path = get_path(self.tw.activity, 'instance') + else: + tmp_path = '/tmp' + data = image_to_base64(pixbuf, tmp_path) + height = pixbuf.get_height() + width = pixbuf.get_width() + x, y = self.screen_to_turtle_coordinates(x, y) + event = "P|%s" % (data_to_string([self._get_my_nick(), + [round_int(a), round_int(b), + round_int(x), round_int(y), + round_int(w), round_int(h), + round_int(width), + round_int(height), + data]])) + self.tw.send_event(event) + + def draw_text(self, label, x, y, size, w, share=True): """ Draw text """ w *= self.tw.coord_scale self.gc.set_foreground(self.tw.textcolor) @@ -532,27 +583,47 @@ class TurtleGraphics: if self.tw.saving_svg and self.pendown: self.tw.svg_string += self.svg.text(x - self.width / 2, y + size, size, w, label) + if self.tw.sharing() and share: + event = "W|%s" % (data_to_string([self._get_my_nick(), + [label, round_int(x), + round_int(y), round_int(size), + round_int(w)]])) + self.tw.send_event(event) + + def turtle_to_screen_coordinates(self, x, y): + """ The origin of turtle coordinates is the center of the screen """ + return self.width / 2 + x, self.invert_y_coordinate(y) + + def screen_to_turtle_coordinates(self, x, y): + """ The origin of the screen coordinates is the upper left corner """ + return x - self.width / 2, self.invert_y_coordinate(y) + + def invert_y_coordinate(self, y): + """ Positive y goes up in turtle coordinates, down in sceeen + coordinates """ + return self.height / 2 - y def draw_line(self, x1, y1, x2, y2): """ Draw a line """ - x1, y1 = self.width / 2 + int(x1), self.height / 2 - int(y1) - x2, y2 = self.width / 2 + int(x2), self.height / 2 - int(y2) + x1, y1 = self.turtle_to_screen_coordinates(x1, y1) + x2, y2 = self.turtle_to_screen_coordinates(x2, y2) if x1 < x2: - minx, maxx = x1, x2 + minx, maxx = int(x1), int(x2) else: - minx, maxx = x2, x1 + minx, maxx = int(x2), int(x1) if y1 < y2: - miny, maxy = y1, y2 + miny, maxy = int(y1), int(y2) else: - miny, maxy = y2, y1 + miny, maxy = int(y2), int(y1) w, h = maxx - minx, maxy - miny - self.canvas.images[0].draw_line(self.gc, x1, y1, x2, y2) + self.canvas.images[0].draw_line(self.gc, int(x1), int(y1), int(x2), + int(y2)) if self.fill and self.poly_points == []: - self.poly_points.append((x1, y1)) + self.poly_points.append((int(x1), int(y1))) if self.fill: - self.poly_points.append((x2, y2)) - self.invalt(minx - self.pensize * self.tw.coord_scale / 2 - 3, - miny - self.pensize * self.tw.coord_scale / 2 - 3, + self.poly_points.append((int(x2), int(y2))) + self.invalt(minx - int(self.pensize * self.tw.coord_scale / 2) - 3, + miny - int(self.pensize * self.tw.coord_scale / 2) - 3, w + self.pensize * self.tw.coord_scale + 6, h + self.pensize * self.tw.coord_scale + 6) @@ -562,8 +633,7 @@ class TurtleGraphics: def move_turtle(self): """ Move the turtle """ - x, y = self.width / 2 + int(self.xcor), \ - self.height / 2 - int(self.ycor) + x, y = self.turtle_to_screen_coordinates(self.xcor, self.ycor) self.tw.active_turtle.move( (int(self.cx + x - self.tw.active_turtle.spr.rect.width / 2), int(self.cy + y - self.tw.active_turtle.spr.rect.height / 2))) @@ -611,9 +681,9 @@ class TurtleGraphics: def get_pixel(self): """ Read the pixel at x, y """ if self.tw.interactive_mode: - return self.canvas.get_pixel( - (self.width / 2 + int(self.xcor), - self.height / 2 - int(self.ycor)), 0, self.tw.color_mode) + x, y = self.turtle_to_screen_coordinates(self.xcor, self.ycor) + return self.canvas.get_pixel((int(x), int(y)), 0, + self.tw.color_mode) else: return(-1, -1, -1, -1) @@ -628,10 +698,9 @@ class TurtleGraphics: self.tw.active_turtle = self.tw.turtles.get_turtle(k, False) self.tw.active_turtle.show() tx, ty = self.tw.active_turtle.get_xy() - self.xcor = -self.width / 2 + tx + \ - self.tw.active_turtle.spr.rect.width / 2 - self.ycor = self.height / 2 - ty - \ - self.tw.active_turtle.spr.rect.height / 2 + self.xcor, self.ycor = self.screen_to_turtle_coordinates(tx, ty) + self.xcor += self.tw.active_turtle.spr.rect.width / 2 + self.ycor -= self.tw.active_turtle.spr.rect.height / 2 self.heading = self.tw.active_turtle.get_heading() self.setcolor(self.tw.active_turtle.get_color(), False) self.setgray(self.tw.active_turtle.get_gray(), False) @@ -651,11 +720,3 @@ class TurtleGraphics: def _get_my_nick(self): return self.tw.nick - - def _send_event(self, entry, share): - if not share: - return - - if self.tw.sharing(): - print "Sending: %s" % entry - self.tw.send_event(entry) diff --git a/TurtleArt/tacollaboration.py b/TurtleArt/tacollaboration.py index 52164e0..d4b7529 100644 --- a/TurtleArt/tacollaboration.py +++ b/TurtleArt/tacollaboration.py @@ -1,9 +1,35 @@ +#Copyright (c) 2011, Walter Bender +#Copyright (c) 2011 Collabora Ltd. <http://www.collabora.co.uk/> + +#Permission is hereby granted, free of charge, to any person obtaining a copy +#of this software and associated documentation files (the "Software"), to deal +#in the Software without restriction, including without limitation the rights +#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +#copies of the Software, and to permit persons to whom the Software is +#furnished to do so, subject to the following conditions: + +#The above copyright notice and this permission notice shall be included in +#all copies or substantial portions of the Software. + +#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +#FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +#AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +#LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +#OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +#THE SOFTWARE. from dbus.service import signal from dbus.gobject_service import ExportedGObject import logging import telepathy -from TurtleArt.tautils import data_to_string, data_from_string + +import gtk +import base64 + +from TurtleArt.tautils import data_to_string, data_from_string, get_path, \ + base64_to_image +from TurtleArt.taconstants import DEFAULT_TURTLE_COLORS try: from sugar import profile @@ -19,17 +45,19 @@ IFACE = SERVICE PATH = '/org/laptop/TurtleArtActivity' _logger = logging.getLogger('turtleart-activity') + class Collaboration(): def __init__(self, tw, activity): """ A simplistic sharing model: the sharer is the master """ self._tw = tw self._tw.send_event = self.send_event self._activity = activity + self._setup_dispatch_table() def setup(self): # TODO: hand off role of master is sharer leaves self.pservice = presenceservice.get_instance() - self.initiating = None # sharing (True) or joining (False) + self.initiating = None # sharing (True) or joining (False) # Add my buddy object to the list owner = self.pservice.get_owner() @@ -40,6 +68,24 @@ class Collaboration(): self._activity.connect('shared', self._shared_cb) self._activity.connect('joined', self._joined_cb) + def _setup_dispatch_table(self): + self._processing_methods = { + 't': self._turtle_request, + 'T': self._receive_turtle_dict, + 'f': self._move_forward, + 'a': self._move_in_arc, + 'r': self._rotate_turtle, + 'x': self._setxy, + 'W': self._draw_text, + 'c': self._set_pen_color, + 'g': self._set_pen_gray_level, + 's': self._set_pen_shade, + 'w': self._set_pen_width, + 'p': self._set_pen_state, + 'F': self._fill_polygon, + 'P': self._draw_pixbuf + } + def _shared_cb(self, activity): self._shared_activity = self._activity._shared_activity if self._shared_activity is None: @@ -128,98 +174,25 @@ class Collaboration(): _logger.debug(event) self.send_event(event) - def event_received_cb(self, text): + def event_received_cb(self, event_message): """ Events are sent as a tuple, nick|cmd, where nick is a turle name and cmd is a turtle event. Everyone gets the turtle dictionary from the sharer and watches for 't' events, which indicate that a new turtle has joined. """ - if len(text) == 0: + if len(event_message) == 0: return - # Save active Turtle + + # Save active Turtle save_active_turtle = self._tw.active_turtle - e = text.split("|", 2) - text = e[1] - if e[0] == 't': # request for turtle dictionary - if text > 0: - [nick, colors] = data_from_string(text) - if nick != self._tw.nick: - # There may not be a turtle dictionary. - if hasattr(self, "turtle_dictionary"): - self.turtle_dictionary[nick] = colors - else: - self.turtle_dictionary = {nick: colors} - # Add new turtle for the joiner. - self._tw.canvas.set_turtle(nick, colors) - # Sharer should send turtle dictionary. - if self.initiating: - text = data_to_string(self.turtle_dictionary) - self.send_event("T|" + text) - elif e[0] == 'T': # Receiving the turtle dictionary. - if self.waiting_for_turtles: - if len(text) > 0: - self.turtle_dictionary = data_from_string(text) - for nick in self.turtle_dictionary: - if nick != self._tw.nick: - colors = self.turtle_dictionary[nick] - # add new turtle for the joiner - self._tw.canvas.set_turtle(nick, colors) - self.waiting_for_turtles = False - elif e[0] == 'f': # move a turtle forward - if len(text) > 0: - [nick, x] = data_from_string(text) - if nick != self._tw.nick: - self._tw.canvas.set_turtle(nick) - self._tw.canvas.forward(x, False) - elif e[0] == 'a': # move a turtle in an arc - if len(text) > 0: - [nick, [a, r]] = data_from_string(text) - if nick != self._tw.nick: - self._tw.canvas.set_turtle(nick) - self._tw.canvas.arc(a, r, False) - elif e[0] == 'r': # rotate turtle - if len(text) > 0: - [nick, h] = data_from_string(text) - if nick != self._tw.nick: - self._tw.canvas.set_turtle(nick) - self._tw.canvas.seth(h, False) - elif e[0] == 'x': # set turtle xy position - if len(text) > 0: - [nick, [x, y]] = data_from_string(text) - if nick != self._tw.nick: - self._tw.canvas.set_turtle(nick) - self._tw.canvas.setxy(x, y, False) - elif e[0] == 'c': # set turtle pen color - if len(text) > 0: - [nick, x] = data_from_string(text) - if nick != self._tw.nick: - self._tw.canvas.set_turtle(nick) - self._tw.canvas.setcolor(x, False) - elif e[0] == 'g': # set turtle pen gray level - if len(text) > 0: - [nick, x] = data_from_string(text) - if nick != self._tw.nick: - self._tw.canvas.set_turtle(nick) - self._tw.canvas.setgray(x, False) - elif e[0] == 's': # set turtle pen shade - if len(text) > 0: - [nick, x] = data_from_string(text) - if nick != self._tw.nick: - self._tw.canvas.set_turtle(nick) - self._tw.canvas.setshade(x, False) - elif e[0] == 'w': # set turtle pen width - if len(text) > 0: - [nick, x] = data_from_string(text) - if nick != self._tw.nick: - self._tw.canvas.set_turtle(nick) - self._tw.canvas.setpensize(x, False) - elif e[0] == 'p': # set turtle pen state - if len(text) > 0: - [nick, x] = data_from_string(text) - if nick != self._tw.nick: - self._tw.canvas.set_turtle(nick) - self._tw.canvas.setpen(x, False) + + try: + command, payload = event_message.split("|", 2) + self._processing_methods[command](payload) + except ValueError: + _logger.debug("could not split event message") + # Restore active Turtle self._tw.canvas.set_turtle(self._tw.turtles.get_turtle_key( save_active_turtle)) @@ -229,27 +202,156 @@ class Collaboration(): if hasattr(self, 'chattube') and self.chattube is not None: self.chattube.SendText(entry) + def _turtle_request(self, payload): + if payload > 0: + [nick, colors] = data_from_string(payload) + if nick != self._tw.nick: + # There may not be a turtle dictionary. + if hasattr(self, "turtle_dictionary"): + self.turtle_dictionary[nick] = colors + else: + self.turtle_dictionary = {nick: colors} + # Add new turtle for the joiner. + self._tw.canvas.set_turtle(nick, colors) + # Sharer should send turtle dictionary. + if self.initiating: + event_payload = data_to_string(self.turtle_dictionary) + self.send_event("T|" + event_payload) + + def _receive_turtle_dict(self, payload): + if self.waiting_for_turtles: + if len(payload) > 0: + self.turtle_dictionary = data_from_string(payload) + for nick in self.turtle_dictionary: + if nick != self._tw.nick: + colors = self.turtle_dictionary[nick] + # add new turtle for the joiner + self._tw.canvas.set_turtle(nick, colors) + self.waiting_for_turtles = False + + def _draw_pixbuf(self, payload): + if len(payload) > 0: + [nick, [a, b, x, y, w, h, width, height, data]] =\ + data_from_string(payload) + if nick != self._tw.nick: + if self._tw.running_sugar: + tmp_path = get_path(self._tw.activity, 'instance') + else: + tmp_path = '/tmp' + file_name = base64_to_image(data, tmp_path) + pixbuf = gtk.gdk.pixbuf_new_from_file_at_size(file_name, + width, height) + x, y = self._tw.canvas.turtle_to_screen_coordinates(x, y) + self._tw.canvas.draw_pixbuf(pixbuf, a, b, x, y, w, h, + file_name, False) + + def _move_forward(self, payload): + if len(payload) > 0: + [nick, x] = data_from_string(payload) + if nick != self._tw.nick: + self._tw.canvas.set_turtle(nick) + self._tw.canvas.forward(x, False) + + def _move_in_arc(self, payload): + if len(payload) > 0: + [nick, [a, r]] = data_from_string(payload) + if nick != self._tw.nick: + self._tw.canvas.set_turtle(nick) + self._tw.canvas.arc(a, r, False) + + def _rotate_turtle(self, payload): + if len(payload) > 0: + [nick, h] = data_from_string(payload) + if nick != self._tw.nick: + self._tw.canvas.set_turtle(nick) + self._tw.canvas.seth(h, False) + + def _setxy(self, payload): + if len(payload) > 0: + [nick, [x, y]] = data_from_string(payload) + if nick != self._tw.nick: + self._tw.canvas.set_turtle(nick) + self._tw.canvas.setxy(x, y, False) + + def _draw_text(self, payload): + if len(payload) > 0: + [nick, [label, x, y, size, w]] = data_from_string(payload) + if nick != self._tw.nick: + self._tw.canvas.draw_text(label, x, y, size, w, False) + + def _set_pen_color(self, payload): + if len(payload) > 0: + [nick, x] = data_from_string(payload) + if nick != self._tw.nick: + self._tw.canvas.set_turtle(nick) + self._tw.canvas.setcolor(x, False) + + def _set_pen_gray_level(self, payload): + if len(payload) > 0: + [nick, x] = data_from_string(payload) + if nick != self._tw.nick: + self._tw.canvas.set_turtle(nick) + self._tw.canvas.setgray(x, False) + + def _set_pen_shade(self, payload): + if len(payload) > 0: + [nick, x] = data_from_string(payload) + if nick != self._tw.nick: + self._tw.canvas.set_turtle(nick) + self._tw.canvas.setshade(x, False) + + def _set_pen_width(self, payload): + if len(payload) > 0: + [nick, x] = data_from_string(payload) + if nick != self._tw.nick: + self._tw.canvas.set_turtle(nick) + self._tw.canvas.setpensize(x, False) + + def _set_pen_state(self, payload): + if len(payload) > 0: + [nick, x] = data_from_string(payload) + if nick != self._tw.nick: + self._tw.canvas.set_turtle(nick) + self._tw.canvas.setpen(x, False) + + def _fill_polygon(self, payload): + # Check to make sure that the poly_point array is passed properly + if len(payload) > 0: + [nick, poly_points] = data_from_string(payload) + shared_poly_points = [] + for i in range(len(poly_points)): + shared_poly_points.append(( + self._tw.canvas.turtle_to_screen_coordinates( + poly_points[i][0], poly_points[i][1]))) + self._tw.canvas.fill_polygon(shared_poly_points) + def _get_dictionary(self): - d = { self._get_nick(): self._get_colors()} + d = {self._get_nick(): self._get_colors()} return d def _get_nick(self): return self._tw.nick def _get_colors(self): - if profile: - colors = profile.get_color().to_string() + colors = None + if self._tw.running_sugar: + if profile.get_color() is not None: + colors = profile.get_color().to_string() else: colors = self._activity.get_colors() + if colors is None: + colors = '%s,%s' % (DEFAULT_TURTLE_COLORS[0], + DEFAULT_TURTLE_COLORS[1]) return colors + class ChatTube(ExportedGObject): def __init__(self, tube, is_initiator, stack_received_cb): """Class for setting up tube for sharing.""" super(ChatTube, self).__init__(tube, PATH) self.tube = tube - self.is_initiator = is_initiator # Are we sharing or joining activity? + self.is_initiator = is_initiator # Are we sharing or joining activity? self.stack_received_cb = stack_received_cb self.stack = '' diff --git a/TurtleArt/taconstants.py b/TurtleArt/taconstants.py index 77ebefb..f5d97ad 100644 --- a/TurtleArt/taconstants.py +++ b/TurtleArt/taconstants.py @@ -113,35 +113,33 @@ TOP_LAYER = 1000 # PALETTE_NAMES = ['turtle', 'pen', 'colors', 'numbers', 'flow', 'blocks', - 'extras', 'sensor', 'portfolio', 'trash'] + 'extras', 'sensor', 'media', 'portfolio', 'trash'] -PALETTES = [['clean', 'forward', 'back', 'show', 'left', 'right', - 'seth', 'setxy2', 'heading', 'xcor', 'ycor', 'setscale', - 'arc', 'scale', 'leftpos', 'toppos', 'rightpos', - 'bottompos'], +PALETTES = [['forward', 'back', 'clean', 'left', 'right', + 'arc', 'setxy2', 'seth', 'xcor', 'ycor', 'heading'], ['penup', 'pendown', 'setpensize', 'fillscreen', 'pensize', - 'setcolor', 'setshade', 'setgray', 'color', 'shade', - 'gray', 'startfill', 'stopfill'], - ['red', 'orange', 'yellow', 'green', 'cyan', 'blue', 'purple', + 'startfill', 'stopfill'], + ['setcolor', 'setshade', 'setgray', 'color', 'shade', 'gray', + 'red', 'orange', 'yellow', 'green', 'cyan', 'blue', 'purple', 'white', 'black'], ['plus2', 'minus2', 'product2', 'division2', 'identity2', 'remainder2', 'sqrt', 'random', 'number', 'greater2', 'less2', 'equal2', 'not', 'and2', 'or2'], ['wait', 'forever', 'repeat', 'if', 'ifelse', 'while', 'until', 'hspace', 'vspace', 'stopstack'], - ['start', 'hat1', 'stack1', 'hat', 'hat2', 'stack2', 'stack', - 'storeinbox1', 'storeinbox2', 'string', 'box1', 'box2', 'box', - 'storein'], + ['start', 'storeinbox1', 'storeinbox2', 'string', 'box1', 'box2', + 'box', 'storein', 'hat', 'hat1', 'hat2', 'stack', 'stack1', + 'stack2'], ['push', 'printheap', 'clearheap', 'pop', 'comment', 'print', - 'myfunc1arg', 'userdefined', - 'cartesian', 'width', 'height', 'polar', 'addturtle', 'reskin', - 'sandwichtop_no_label', 'sandwichbottom'], - ['kbinput', 'keyboard', 'readpixel', 'see', - 'sound', 'volume', 'pitch'], - ['journal', 'audio', 'video', 'description', 'hideblocks', - 'showblocks', 'fullscreen', 'savepix', 'savesvg', 'mediawait', - 'picturelist', 'picture1x1a', 'picture1x1', 'picture2x2', - 'picture2x1', 'picture1x2'], + 'myfunc1arg', 'userdefined', 'cartesian', 'polar', 'addturtle', + 'reskin', 'sandwichtop_no_label', 'sandwichbottom'], + ['kbinput', 'keyboard', 'readpixel', 'see', 'time'], + ['journal', 'audio', 'video', 'description', 'string', + 'show', 'setscale', 'savepix', 'savesvg', 'scale', 'mediawait'], + ['hideblocks', 'showblocks', 'fullscreen', 'picturelist', + 'picture1x1a', 'picture1x1', 'picture2x2', 'picture2x1', + 'picture1x2', 'leftpos', 'bottompos', 'width', 'rightpos', + 'toppos', 'height'], ['empty', 'restoreall']] # @@ -152,7 +150,8 @@ COLORS = [["#00FF00", "#00A000"], ["#00FFFF", "#00A0A0"], ["#00FFFF", "#00A0A0"], ["#FF00FF", "#A000A0"], ["#FFC000", "#A08000"], ["#FFFF00", "#A0A000"], ["#FF0000", "#A00000"], ["#FF0000", "#A00000"], - ["#0000FF", "#0000A0"], ["#FFFF00", "#A0A000"]] + ["#A0FF00", "#A0A000"], ["#0000FF", "#0000A0"], + ["#FFFF00", "#A0A000"]] BOX_COLORS = {'red': ["#FF0000", "#A00000"], 'orange': ["#FFD000", "#AA8000"], @@ -176,6 +175,7 @@ STANDARD_STROKE_WIDTH = 1.0 BLOCK_SCALE = 2.0 PALETTE_SCALE = 1.5 DEFAULT_TURTLE = 'Yertle' +DEFAULT_TURTLE_COLORS = ['#008000', '#00A000'] HORIZONTAL_PALETTE = 0 VERTICAL_PALETTE = 1 BLACK = -9999 @@ -190,10 +190,6 @@ DEFAULT_SCALE = 33 XO1 = 'xo1' XO15 = 'xo1.5' UNKNOWN = 'unknown' -SENSOR_AC_NO_BIAS = 'external' -SENSOR_AC_BIAS = 'sound' -SENSOR_DC_NO_BIAS = 'voltage' -SENSOR_DC_BIAS = 'resistance' # # Block-style definitions @@ -205,15 +201,15 @@ BASIC_STYLE = [] BASIC_STYLE_EXTENDED_VERTICAL = ['clean', 'penup', 'pendown', 'stack1', 'stack2', 'hideblocks', 'showblocks', 'clearheap', 'printheap', 'kbinput', 'fullscreen', 'cartesian', 'polar', 'startfill', 'mediawait', - 'stopfill', 'readpixel', 'readcamera', 'vspace'] + 'stopfill', 'readpixel', 'vspace'] INVISIBLE = ['sandwichcollapsed'] BASIC_STYLE_EXTENDED = ['picturelist', 'picture1x1', 'picture2x2', 'picture2x1', 'picture1x2', 'picture1x1a'] -BASIC_STYLE_1ARG = ['forward', 'back', 'left', 'right', 'seth', 'show', 'image', +BASIC_STYLE_1ARG = ['forward', 'back', 'left', 'right', 'seth', 'show', 'setscale', 'setpensize', 'setcolor', 'setshade', 'print', 'showaligned', 'settextsize', 'settextcolor', 'print', 'wait', 'storeinbox1', 'savepix', 'storeinbox2', 'wait', 'stack', 'push', 'nop', 'addturtle', 'comment', - 'savesvg', 'setgray', 'skin', 'reskin'] + 'image', 'savesvg', 'setgray', 'skin', 'reskin'] BASIC_STYLE_VAR_ARG = ['userdefined', 'userdefined2args', 'userdefined3args'] BULLET_STYLE = ['templatelist', 'list'] BASIC_STYLE_2ARG = ['arc', 'setxy', 'setxy2', 'fillscreen', 'storein', 'write'] @@ -222,9 +218,8 @@ BOX_STYLE = ['number', 'xcor', 'ycor', 'heading', 'pensize', 'color', 'shade', 'toppos', 'rightpos', 'bottompos', 'width', 'height', 'pop', 'keyboard', 'red', 'orange', 'yellow', 'green', 'cyan', 'blue', 'purple', 'white', 'black', 'titlex', 'titley', 'leftx', 'topy', 'rightx', 'bottomy', - 'sound', 'volume', 'pitch', 'voltage', 'resistance', 'gray', 'see', 'rfid', - 'luminance'] -BOX_STYLE_MEDIA = ['description', 'audio', 'journal', 'video', 'camera'] + 'gray', 'see', 'time'] +BOX_STYLE_MEDIA = ['description', 'audio', 'journal', 'video'] NUMBER_STYLE = ['plus2', 'product2', 'myfunc'] NUMBER_STYLE_VAR_ARG = ['myfunc1arg', 'myfunc2arg', 'myfunc3arg'] NUMBER_STYLE_BLOCK = ['random'] @@ -278,7 +273,7 @@ OLD_DOCK = ['and', 'or', 'plus', 'minus', 'division', 'product', 'remainder'] # Blocks that contain media # CONTENT_BLOCKS = ['number', 'string', 'description', 'audio', 'video', - 'journal', 'camera'] + 'journal'] # # These blocks get a special skin @@ -291,11 +286,11 @@ PYTHON_SKIN = ['nop', 'userdefined', 'userdefined2args', 'userdefined3args'] # # These blocks hold constants # -CONSTANTS = {'leftpos':None, 'toppos':None, 'rightpos':None, 'bottompos':None, - 'width':None, 'height':None, 'red':0, 'orange':10, 'yellow':20, - 'green':40, 'cyan':50, 'blue':70, 'purple':90, 'titlex':None, - 'titley':None, 'leftx':None, 'topy':None, 'rightx':None, - 'bottomy':None} +CONSTANTS = {'leftpos': None, 'toppos': None, 'rightpos': None, + 'bottompos': None, 'width': None, 'height': None, 'red': 0, + 'orange': 10, 'yellow': 20, 'green': 40, 'cyan': 50, 'blue': 70, + 'purple': 90, 'titlex': None, 'titley': None, 'leftx': None, + 'topy': None, 'rightx': None, 'bottomy': None} # # Block-name dictionary used for labels @@ -314,7 +309,6 @@ BLOCK_NAMES = { 'box': [_('box')], 'box1': [_('box 1')], 'box2': [_('box 2')], - 'camera': [' '], 'cartesian': [_('Cartesian')], 'clean': [_(' clean ')], 'clearheap': [_('empty heap')], @@ -354,7 +348,6 @@ BLOCK_NAMES = { 'leftx': [_('picture left')], 'less2': ['<'], 'list': ['list'], - 'luminance': [_('brightness')], 'mediawait': [_('media wait')], 'minus2': ['–'], 'myfunc': [_('Python'), 'f(x)', 'x'], @@ -388,7 +381,6 @@ BLOCK_NAMES = { 'purple': [_('purple')], 'push': [_('push')], 'random': [_('random'), _('min'), _('max')], - 'readcamera': [_('read camera')], 'readpixel': [_('read pixel')], 'red': [_('red')], 'remainder2': [_('mod')], @@ -397,7 +389,6 @@ BLOCK_NAMES = { 'resistance': [_('resistance')], 'restore': [_('restore last')], 'restoreall': [_('restore all')], - 'rfid': [_('RFID')], 'right': [_('right')], 'rightpos': [_('right')], 'rightx': [_('picture right')], @@ -447,6 +438,7 @@ BLOCK_NAMES = { 'template2x2': [' '], 'templatelist': [' '], 'textsize': [_('text size')], + 'time': [_('time')], 'titlex': [_('title x')], 'titley': [_('title y')], 'toppos': [_('top')], @@ -520,7 +512,6 @@ PRIMITIVES = { 'leftx': 'leftx', 'less2': 'less?', 'list': 'bulletlist', - 'luminance': 'luminance', 'mediawait': 'mediawait', 'minus2': 'minus', 'myfunc': 'myfunction', @@ -534,7 +525,6 @@ PRIMITIVES = { 'pendown': 'pendown', 'pensize': 'pensize', 'penup': 'penup', - 'pitch': 'pitch', 'plus2': 'plus', 'polar': 'polar', 'pop': 'pop', @@ -545,12 +535,9 @@ PRIMITIVES = { 'push': 'push', 'random': 'random', 'red': 'red', - 'readcamera': 'readcamera', 'readpixel': 'readpixel', 'remainder2': 'mod', 'repeat': 'repeat', - 'resistance': 'resistance', - 'rfid': 'rfid', 'right': 'right', 'rightpos': 'rpos', 'rightx': 'rightx', @@ -579,7 +566,6 @@ PRIMITIVES = { 'showblocks': 'showblocks', 'showaligned': 'showaligned', 'skin': 'skin', - 'sound': 'sound', 'sqrt': 'sqrt', 'stack': 'stack', 'stack1': 'stack1', @@ -598,6 +584,7 @@ PRIMITIVES = { 'template2x2': 't2x2', 'templatelist': 'bullet', 'textsize': 'textsize', + 'time': 'time', 'titlex': 'titlex', 'titley': 'titley', 'toppos': 'tpos', @@ -605,8 +592,6 @@ PRIMITIVES = { 'userdefined': 'userdefined', 'userdefined2args': 'userdefined2', 'userdefined3args': 'userdefined3', - 'voltage': 'voltage', - 'volume': 'volume', 'vspace': 'nop', 'wait': 'wait', 'while2': 'while', @@ -627,7 +612,6 @@ DEFAULTS = { 'audio': [None], 'back': [100], 'box': [_('my box')], - 'camera': ['CAMERA'], 'comment': [_('comment')], 'description': [None], 'fillscreen': [60, 80], @@ -697,6 +681,9 @@ STRING_OR_NUMBER_ARGS = ['plus2', 'equal2', 'less2', 'greater2', 'box', CONTENT_ARGS = ['show', 'showaligned', 'push', 'storein', 'storeinbox1', 'storeinbox2'] +PREFIX_DICTIONARY = {'journal': '#smedia_', 'description': '#sdescr_', + 'audio': '#saudio_', 'video': '#svideo_'} + # # Status blocks # @@ -758,8 +745,9 @@ TEMPLATES = {'t1x1': (0.5, 0.5, 0.0625, 0.125, 1.05, 0), # Names for blocks without names for popup help # SPECIAL_NAMES = { + 'and2': _('and'), 'audio': _('audio'), - 'camera': _('camera'), + 'description': _('description'), 'division2': _('divide'), 'equal2': _('equal'), 'greater2': _('greater than'), @@ -769,11 +757,16 @@ SPECIAL_NAMES = { 'ifelse': _('if then else'), 'journal': _('journal'), 'less2': _('less than'), + 'or2': _('or'), 'minus2': _('minus'), 'nop': _('Python code'), 'number': _('number'), 'plus2': _('plus'), 'product2': _('multiply'), + 'repeat': _('repeat'), + 'sandwichtop_no_label': _('top of a collapsible stack'), + 'sandwichbottom': _('bottom of a collapsible stack'), + 'sensors': _('sensors'), 'sqrt': _('square root'), 'template1x1': _('presentation 1x1'), 'template1x1a': _('presentation 1x1'), @@ -782,6 +775,9 @@ SPECIAL_NAMES = { 'template2x2': _('presentation 2x2'), 'templatelist': _('presentation bulleted list'), 'textsize': _('text size'), + 'userdefined': _('Python block'), + 'userdefined2args': _('Python block'), + 'userdefined3args': _('Python block'), 'video': _('video'), 'vspace': _('vertical space')} @@ -799,11 +795,11 @@ HELP_STRINGS = { 'box1': _("Variable 1 (numeric value)"), 'box2': _("Variable 2 (numeric value)"), 'box': _("named variable (numeric value)"), - 'camera': _('camera output'), 'cartesian': _("displays Cartesian coordinates"), 'clean': _("clears the screen and reset the turtle"), 'clearheap': _("emptys FILO (first-in-last-out heap)"), - 'color': _("holds current pen color (can be used in place of a number block)"), + 'color': _( + "holds current pen color (can be used in place of a number block)"), 'colors': _("Palette of pen colors"), 'comment': _("places a comment in your code"), 'debugoff': _("Debug"), @@ -818,7 +814,8 @@ HELP_STRINGS = { 'forever': _("loops forever"), 'forward': _("moves turtle forward"), 'fullscreen': _("hides the Sugar toolbars"), - 'gray': _("holds current gray level (can be used in place of a number block)"), + 'gray': _( + "holds current gray level (can be used in place of a number block)"), 'greater2': _("logical greater-than operator"), 'hat1': _("top of Action 1 stack"), 'hat2': _("top of Action 2 stack"), @@ -830,14 +827,15 @@ HELP_STRINGS = { 'hspace': _("jogs stack right"), 'identity2': _("identity operator used for extending blocks"), 'ifelse': _("if-then-else operator that uses boolean operators from Numbers palette"), - 'if': _("if-then operator that uses boolean operators from Numbers palette"), + 'if': _( + "if-then operator that uses boolean operators from Numbers palette"), 'journal': _("Sugar Journal media object"), 'kbinput': _("query for keyboard input (results stored in keyboard block)"), 'keyboard': _("holds results of query-keyboard block"), 'leftpos': _("xcor of left of screen"), 'left': _("turns turtle counterclockwise (angle in degrees)"), 'less2': _("logical less-than operator"), - 'luminance': _("light level detected by camera"), + 'media': _("Palette of media objects"), 'mediawait': _("wait for current video or audio to complete"), 'minus2': _("subtracts bottom numeric input from top numeric input"), 'myfunc': _("a programmable block: used to add advanced math equations, e.g., sin(x)"), @@ -849,19 +847,21 @@ HELP_STRINGS = { 'not': _("logical NOT operator"), 'numbers': _("Palette of numeric operators"), 'number': _("used as numeric input in mathematic operators"), - 'or': _("logical OR operator"), + 'or2': _("logical OR operator"), 'orientation': _("changes the orientation of the palette of blocks"), 'pendown': _("Turtle will draw when moved."), 'pen': _("Palette of pen commands"), - 'pensize': _("holds current pen size (can be used in place of a number block)"), + 'pensize': _( + "holds current pen size (can be used in place of a number block)"), 'penup': _("Turtle will not draw when moved."), - 'picture1x1': _("presentation template: select Journal object (with description)"), - 'picture1x1a': _("presentation template: select Journal object (no description)"), + 'picture1x1': _( + "presentation template: select Journal object (with description)"), + 'picture1x1a': _( + "presentation template: select Journal object (no description)"), 'picture1x2': _("presentation template: select two Journal objects"), 'picture2x1': _("presentation template: select two Journal objects"), 'picture2x2': _("presentation template: select four Journal objects"), 'picturelist': _("presentation template: list of bullets"), - 'pitch': _('microphone input pitch'), 'plus2': _("adds two alphanumeric inputs"), 'polar': _("displays polar coordinates"), 'pop': _("pops value off FILO (first-in last-out heap)"), @@ -871,7 +871,6 @@ HELP_STRINGS = { 'product2': _("multiplies two numeric inputs"), 'push': _("pushes value onto FILO (first-in last-out heap)"), 'random': _("returns random number between minimum (top) and maximum (bottom) values"), - 'readcamera': _("Average RGB color from camera is pushed to the stack"), 'readpixel': _("RGB color under the turtle is pushed to the stack"), 'remainder2': _("modular (remainder) operator"), 'repeat': _("loops specified number of times"), @@ -879,12 +878,12 @@ HELP_STRINGS = { 'reskin': _("put a custom 'shell' on the turtle"), 'restore': _("restores most recent blocks from trash"), 'restoreall': _("restore all blocks from trash"), - 'rfid': _("RFID"), 'rightpos': _("xcor of right of screen"), 'right': _("turns turtle clockwise (angle in degrees)"), 'run-fastoff': _("Run"), 'run-slowoff': _("Step"), - 'sandwichbottom': _("bottom block in a collapsibe stack: click to collapse"), + 'sandwichbottom': _( + "bottom block in a collapsibe stack: click to collapse"), 'sandwichcollapsed': _("bottom block in a collapsed stack: click to open"), 'sandwichtop': _("top of a collapsible stack"), 'sandwichtop_no_label': _("top of a collapsed stack"), @@ -897,7 +896,8 @@ HELP_STRINGS = { 'sensor': _("Palette of sensor blocks"), 'setcolor': _("sets color of the line drawn by the turtle"), 'setgray': _("sets gray level of the line drawn by the turtle"), - 'seth': _("sets the heading of the turtle (0 is towards the top of the screen.)"), + 'seth': _( + "sets the heading of the turtle (0 is towards the top of the screen.)"), 'setpensize': _("sets size of the line drawn by the turtle"), 'setscale': _("sets the scale of media"), 'setshade': _("sets shade of the line drawn by the turtle"), @@ -909,7 +909,6 @@ HELP_STRINGS = { 'show': _("draws text or show media from the Journal"), 'showblocks': _("restores hidden blocks"), 'skin': _("put a custom 'shell' on the turtle"), - 'sound': _("raw microphone input signal"), 'sqrt': _("calculates square root"), 'stack1': _("invokes Action 1 stack"), 'stack2': _("invokes Action 2 stack"), @@ -923,24 +922,31 @@ HELP_STRINGS = { 'storeinbox2': _("stores numeric value in Variable 2"), 'storein': _("stores numeric value in named variable"), 'string': _("string value"), - 'template1x1': _("presentation template: select Journal object (with description)"), - 'template1x1a': _("presentation template: select Journal object (no description)"), + 'template1x1': _( + "presentation template: select Journal object (with description)"), + 'template1x1a': _( + "presentation template: select Journal object (no description)"), 'template1x2': _("presentation template: select two Journal objects"), 'template2x1': _("presentation template: select two Journal objects"), 'template2x2': _("presentation template: select four Journal objects"), 'templatelist': _("presentation template: list of bullets"), - 'textcolor': _("holds current text color (can be used in place of a number block)"), - 'textsize': _("holds current text size (can be used in place of a number block)"), + 'textcolor': _( + "holds current text color (can be used in place of a number block)"), + 'textsize': _( + "holds current text size (can be used in place of a number block)"), + 'time': _("elapsed time (in seconds) since program started"), 'toppos': _("ycor of top of screen"), 'trash': _("Trashcan"), 'turtle': _("Palette of turtle commands"), 'until': _("do-until-True operator that uses boolean operators from Numbers palette"), - 'userdefined': _("runs code found in the tamyblock.py module found in the Journal"), - 'userdefined2args': _("runs code found in the tamyblock.py module found in the Journal"), - 'userdefined3args': _("runs code found in the tamyblock.py module found in the Journal"), + 'userdefined': _( + "runs code found in the tamyblock.py module found in the Journal"), + 'userdefined2args': _( + "runs code found in the tamyblock.py module found in the Journal"), + 'userdefined3args': _( + "runs code found in the tamyblock.py module found in the Journal"), 'video': _("Sugar Journal video object"), 'voltage': _("sensor voltage"), - 'volume': _("microphone input volume"), 'vspace': _("jogs stack down"), 'wait': _("pauses program execution a specified number of seconds"), 'while': _("do-while-True operator that uses boolean operators from Numbers palette"), @@ -953,17 +959,17 @@ HELP_STRINGS = { # DEAD_KEYS = ['grave', 'acute', 'circumflex', 'tilde', 'diaeresis', 'abovering'] -DEAD_DICTS = [{'A':192, 'E':200, 'I':204, 'O':210, 'U':217, 'a':224, 'e':232, - 'i':236, 'o':242, 'u':249}, - {'A':193, 'E':201, 'I':205, 'O':211, 'U':218, 'a':225, 'e':233, - 'i':237, 'o':243, 'u':250}, - {'A':194, 'E':202, 'I':206, 'O':212, 'U':219, 'a':226, 'e':234, - 'i':238, 'o':244, 'u':251}, - {'A':195, 'O':211, 'N':209, 'U':360, 'a':227, 'o':245, 'n':241, - 'u':361}, - {'A':196, 'E':203, 'I':207, 'O':211, 'U':218, 'a':228, 'e':235, - 'i':239, 'o':245, 'u':252}, - {'A':197, 'a':229}] +DEAD_DICTS = [{'A': 192, 'E': 200, 'I': 204, 'O': 210, 'U': 217, 'a': 224, + 'e': 232, 'i': 236, 'o': 242, 'u': 249}, + {'A': 193, 'E': 201, 'I': 205, 'O': 211, 'U': 218, 'a': 225, + 'e': 233, 'i': 237, 'o': 243, 'u': 250}, + {'A': 194, 'E': 202, 'I': 206, 'O': 212, 'U': 219, 'a': 226, + 'e': 234, 'i': 238, 'o': 244, 'u': 251}, + {'A': 195, 'O': 211, 'N': 209, 'U': 360, 'a': 227, 'o': 245, + 'n': 241, 'u': 361}, + {'A': 196, 'E': 203, 'I': 207, 'O': 211, 'U': 218, 'a': 228, + 'e': 235, 'i': 239, 'o': 245, 'u': 252}, + {'A': 197, 'a': 229}] NOISE_KEYS = ['Shift_L', 'Shift_R', 'Control_L', 'Caps_Lock', 'Pause', 'Alt_L', 'Alt_R', 'KP_Enter', 'ISO_Level3_Shift', 'KP_Divide', 'Escape', 'Return', 'KP_Page_Up', 'Up', 'Down', 'Menu', diff --git a/TurtleArt/taexporthtml.py b/TurtleArt/taexporthtml.py index 09042f8..2dac7e6 100644 --- a/TurtleArt/taexporthtml.py +++ b/TurtleArt/taexporthtml.py @@ -22,7 +22,7 @@ import pygtk pygtk.require('2.0') import gtk import os.path -from tautils import data_to_string, save_picture, image_to_base64 +from tautils import data_to_string, save_picture, image_to_base64, get_path from gettext import gettext as _ from cgi import escape @@ -90,7 +90,8 @@ def save_html(self, tw, embed_flag=True): tmp = imgdata else: pixbuf = gtk.gdk.pixbuf_new_from_file(p) - imgdata = image_to_base64(pixbuf, tw.activity) + imgdata = image_to_base64(pixbuf, + get_path(tw.activity, 'instance')) tmp = self.html_glue['img2'][0] tmp += imgdata tmp += self.html_glue['img2'][1] @@ -110,7 +111,7 @@ def save_html(self, tw, embed_flag=True): else: if self.embed_images == True: imgdata = image_to_base64(save_picture(self.tw.canvas), - tw.activity) + get_path(tw.activity, 'instance')) else: imgdata = os.path.join(self.tw.load_save_folder, 'image') self.tw.save_as_image(imgdata) diff --git a/TurtleArt/talogo.py b/TurtleArt/talogo.py index e3576fa..d3b214c 100644 --- a/TurtleArt/talogo.py +++ b/TurtleArt/talogo.py @@ -25,12 +25,8 @@ import gtk from time import time from math import sqrt -from numpy import append -from numpy.fft import rfft from random import uniform from operator import isNumberType -from fcntl import ioctl - import os.path from UserDict import UserDict @@ -40,32 +36,26 @@ try: except ImportError: pass -from taconstants import TAB_LAYER, BLACK, WHITE, \ - DEFAULT_SCALE, ICON_SIZE, BLOCK_NAMES, CONSTANTS, SENSOR_DC_NO_BIAS, \ - SENSOR_DC_BIAS, XO1, XO15 -from tagplay import play_audio_from_file, play_movie_from_file, stop_media, \ - media_playing -from tacamera import Camera -import v4l2 +from taconstants import TAB_LAYER, BLACK, WHITE, DEFAULT_SCALE, ICON_SIZE, \ + BLOCK_NAMES, CONSTANTS, PREFIX_DICTIONARY from tajail import myfunc, myfunc_import from tautils import get_pixbuf_from_journal, convert, data_from_file, \ text_media_type, round_int, chr_to_ord, strtype, get_path -from RtfParser import RtfTextOnly - -from ringbuffer import RingBuffer1d +from util.RtfParser import RtfTextOnly from gettext import gettext as _ VALUE_BLOCKS = ['box1', 'box2', 'color', 'shade', 'gray', 'scale', 'pensize', - 'heading', 'xcor', 'ycor', 'pop', 'see', 'keyboard', - 'sound', 'volume', 'pitch', 'resistance', 'voltage', - 'luminance'] + 'heading', 'xcor', 'ycor', 'pop', 'time', 'keyboard', 'see'] +MEDIA_BLOCKS_DICTIONARY = {} # new media blocks get added here +PLUGIN_DICTIONARY = {} # new block primitives get added here import logging _logger = logging.getLogger('turtleart-activity') +<<<<<<< HEAD def find_device(): """ Search for RFID devices. Return a device instance or None. """ device = None @@ -83,6 +73,8 @@ def find_device(): return device +======= +>>>>>>> 860754f7e871617df9d101a51dc64a69b742a0ba class noKeyError(UserDict): __missing__ = lambda x, y: 0 @@ -290,6 +282,7 @@ def _identity(x): return(x) +<<<<<<< HEAD def _avg(array, abs_value=False): """ Calc. the average value of an array """ if len(array) == 0: @@ -319,6 +312,8 @@ def stop_logo(tw): tw.active_turtle.show() +======= +>>>>>>> 860754f7e871617df9d101a51dc64a69b742a0ba def _just_stop(): """ yield False to stop stack """ yield False @@ -337,6 +332,7 @@ class LogoCode: self.tw = tw self.oblist = {} + # TODO: remove plugin blocks DEFPRIM = { '(': [1, lambda self, x: self._prim_opar(x)], 'and': [2, lambda self, x, y: _and(x, y)], @@ -386,7 +382,6 @@ class LogoCode: 'leftx': [0, lambda self: CONSTANTS['leftx']], 'lpos': [0, lambda self: CONSTANTS['leftpos']], 'less?': [2, lambda self, x, y: _less(x, y)], - 'luminance': [0, lambda self: self._read_camera(True)], 'mediawait': [0, self._media_wait, True], 'minus': [2, lambda self, x, y: _minus(x, y)], 'mod': [2, lambda self, x, y: _mod(x, y)], @@ -404,7 +399,6 @@ class LogoCode: 'pendown': [0, lambda self: self.tw.canvas.setpen(True)], 'pensize': [0, lambda self: self.tw.canvas.pensize], 'penup': [0, lambda self: self.tw.canvas.setpen(False)], - 'pitch': [0, lambda self: self._get_pitch()], 'plus': [2, lambda self, x, y: _plus(x, y)], 'polar': [0, lambda self: self.tw.set_polar(True)], 'pop': [0, lambda self: self._prim_pop()], @@ -414,12 +408,9 @@ class LogoCode: 'purple': [0, lambda self: CONSTANTS['purple']], 'push': [1, lambda self, x: self._prim_push(x)], 'random': [2, lambda self, x, y: _random(x, y)], - 'readcamera': [0, lambda self: self._read_camera()], 'readpixel': [0, lambda self: self._read_pixel()], 'red': [0, lambda self: CONSTANTS['red']], 'repeat': [2, self._prim_repeat, True], - 'resistance': [0, lambda self: self._get_resistance()], - 'rfid': [0, lambda self: self.tw.rfid_idn], 'right': [1, lambda self, x: self._prim_right(x)], 'rightx': [0, lambda self: CONSTANTS['rightx']], 'rpos': [0, lambda self: CONSTANTS['rightpos']], @@ -450,7 +441,6 @@ class LogoCode: 'showaligned': [1, lambda self, x: self._show(x, False)], 'showblocks': [0, lambda self: self.tw.showblocks()], 'skin': [1, lambda self, x: self._reskin(x)], - 'sound': [0, lambda self: self._get_sound()], 'sqrt': [1, lambda self, x: _sqrt(x)], 'stack1': [0, self._prim_stack1, True], 'stack': [1, self._prim_stack, True], @@ -470,6 +460,7 @@ class LogoCode: x, y, z, a, b)], 'textcolor': [0, lambda self: self.tw.canvas.textcolor], 'textsize': [0, lambda self: self.tw.textsize], + 'time': [0, lambda self: self._elapsed_time()], 'titlex': [0, lambda self: CONSTANTS['titlex']], 'titley': [0, lambda self: CONSTANTS['titley']], 'topy': [0, lambda self: CONSTANTS['topy']], @@ -480,8 +471,6 @@ class LogoCode: 'userdefined3': [3, lambda self, x, y, z: self._prim_myblock([x, y, z])], 'video': [1, lambda self, x: self._play_video(x)], - 'voltage': [0, lambda self: self._get_voltage()], - 'volume': [0, lambda self: self._get_volume()], 'vres': [0, lambda self: CONSTANTS['height']], 'wait': [1, self._prim_wait, True], 'white': [0, lambda self: WHITE], @@ -520,9 +509,9 @@ class LogoCode: self.trace = 0 self.update_values = False self.gplay = None - self.ag = None self.filepath = None self.dsobject = None + self._start_time = None # Scale factors for depreciated portfolio blocks self.title_height = int((self.tw.canvas.height / 20) * self.tw.scale) @@ -531,6 +520,7 @@ class LogoCode: self.scale = DEFAULT_SCALE +<<<<<<< HEAD self.max_samples = 1500 self.input_step = 1 @@ -550,6 +540,18 @@ class LogoCode: else: self.imagepath = '/tmp/turtlepic.png' self.camera = Camera(self.imagepath) +======= + def stop_logo(self): + """ Stop logo is called from the Stop button on the toolbar """ + self.tw.step_time = 0 + self.step = _just_stop() + for plugin in self.tw._plugins: + plugin.stop() + if self.tw.gst_available: + from tagplay import stop_media + stop_media(self) + self.tw.active_turtle.show() +>>>>>>> 860754f7e871617df9d101a51dc64a69b742a0ba def _def_prim(self, name, args, fcn, rprim=False): """ Define the primitives associated with the blocks """ @@ -574,7 +576,6 @@ class LogoCode: self.tw.saving_svg = False self.find_value_blocks() - self._update_audio_mode() if self.trace > 0: self.update_values = True else: @@ -601,6 +602,7 @@ class LogoCode: code = self._blocks_to_code(blk) if run_flag: _logger.debug("running code: %s" % (code)) + self._start_time = time() self._setup_cmd(code) if not self.tw.hide: self.tw.display_coordinates() @@ -625,35 +627,22 @@ class LogoCode: code.append(float(blk.values[0])) except ValueError: code.append(float(ord(blk.values[0][0]))) - elif blk.name == 'string' or blk.name == 'title': + elif blk.name == 'string' or \ + blk.name == 'title': # depreciated block if type(blk.values[0]) == float or type(blk.values[0]) == int: if int(blk.values[0]) == blk.values[0]: blk.values[0] = int(blk.values[0]) code.append('#s' + str(blk.values[0])) else: code.append('#s' + blk.values[0]) - elif blk.name == 'journal': - if blk.values[0] is not None: - code.append('#smedia_' + str(blk.values[0])) - else: - code.append('#smedia_None') - elif blk.name == 'description': - if blk.values[0] is not None: - code.append('#sdescr_' + str(blk.values[0])) - else: - code.append('#sdescr_None') - elif blk.name == 'audio': + elif blk.name in PREFIX_DICTIONARY: if blk.values[0] is not None: - code.append('#saudio_' + str(blk.values[0])) + code.append(PREFIX_DICTIONARY[blk.name] + \ + str(blk.values[0])) else: - code.append('#saudio_None') - elif blk.name == 'video': - if blk.values[0] is not None: - code.append('#svideo_' + str(blk.values[0])) - else: - code.append('#svideo_None') - elif blk.name == 'camera': - code.append('#smedia_CAMERA') + code.append(PREFIX_DICTIONARY[blk.name] + 'None') + elif blk.name in MEDIA_BLOCKS_DICTIONARY: + code.append('#smedia_' + blk.name.upper()) else: return ['%nothing%'] else: @@ -900,12 +889,16 @@ class LogoCode: def prim_clear(self): """ Clear screen """ - stop_media(self) + if self.tw.gst_available: + from tagplay import stop_media + stop_media(self) self.tw.canvas.clearscreen() self.scale = DEFAULT_SCALE - self.tw.set_polar(False) - self.tw.set_cartesian(False) + # Note: users find this "feature" confusing + # self.tw.set_polar(False) + # self.tw.set_cartesian(False) self.hidden_turtle = None + self._start_time = time() for name in VALUE_BLOCKS: self.update_label_value(name) @@ -953,27 +946,27 @@ class LogoCode: y = myfunc(f, x) if str(y) == 'nan': _logger.debug("python function returned nan") - stop_logo(self.tw) + self.stop_logo() raise logoerror("#notanumber") else: return y except ZeroDivisionError: - stop_logo(self.tw) + self.stop_logo() raise logoerror("#zerodivide") except ValueError, e: - stop_logo(self.tw) + self.stop_logo() raise logoerror('#' + str(e)) except SyntaxError, e: - stop_logo(self.tw) + self.stop_logo() raise logoerror('#' + str(e)) except NameError, e: - stop_logo(self.tw) + self.stop_logo() raise logoerror('#' + str(e)) except OverflowError: - stop_logo(self.tw) + self.stop_logo() raise logoerror("#overflowerror") except TypeError: - stop_logo(self.tw) + self.stop_logo() raise logoerror("#notanumber") def _prim_forever(self, blklist): @@ -1106,7 +1099,8 @@ class LogoCode: if flag and (self.tw.hide or self.tw.step_time == 0): return if type(n) == str or type(n) == unicode: - if n[0:6] == 'media_' and n[6:] != 'CAMERA': + if n[0:6] == 'media_' and \ + n[6:].lower not in MEDIA_BLOCKS_DICTIONARY: try: if self.tw.running_sugar: try: @@ -1134,9 +1128,8 @@ class LogoCode: else: try: self.keyboard = {'Escape': 27, 'space': 32, ' ': 32, - 'Return': 13, \ - 'KP_Up': 2, 'KP_Down': 4, 'KP_Left': 1, \ - 'KP_Right': 3}[self.tw.keypress] + 'Return': 13, 'KP_Up': 2, 'KP_Down': 4, + 'KP_Left': 1, 'KP_Right': 3}[self.tw.keypress] except KeyError: self.keyboard = 0 self.update_label_value('keyboard', self.keyboard) @@ -1149,19 +1142,6 @@ class LogoCode: self.value_blocks[name] = self.tw.block_list.get_similar_blocks( 'block', name) - def _update_audio_mode(self): - """ If there are sensor blocks, set the appropriate audio mode """ - for name in ['sound', 'volume', 'pitch']: - if len(self.value_blocks[name]) > 0: - self.tw.audiograb.set_sensor_type() - return - if len(self.value_blocks['resistance']) > 0: - self.tw.audiograb.set_sensor_type(SENSOR_DC_BIAS) - return - elif len(self.value_blocks['voltage']) > 0: - self.tw.audiograb.set_sensor_type(SENSOR_DC_NO_BIAS) - return - def update_label_value(self, name, value=None): """ Update the label of value blocks to reflect current value """ if self.tw.hide or not self.tw.interactive_mode or \ @@ -1188,10 +1168,12 @@ class LogoCode: self.update_label_value(name, value) def _prim_right(self, value): + """ Turtle rotates clockwise """ self.tw.canvas.right(float(value)) self.update_label_value('heading', self.tw.canvas.heading) def _prim_move(self, cmd, value1, value2=None, pendown=True): + """ Turtle moves by method specified in value1 """ if value2 is None: cmd(value1) else: @@ -1204,6 +1186,7 @@ class LogoCode: self.see() def _prim_arc(self, cmd, value1, value2): + """ Turtle draws an arc of degree, radius """ cmd(float(value1), float(value2)) self.update_label_value('xcor', self.tw.canvas.xcor / self.tw.coord_scale) @@ -1336,11 +1319,9 @@ class LogoCode: elif string[0:6] in ['media_', 'descr_', 'audio_', 'video_']: self.filepath = None self.dsobject = None - if string[6:] == 'CAMERA': - if self.tw.camera_available: - self.camera.save_camera_input_to_file() - self.camera.stop_camera_input() - self.filepath = self.imagepath + print string[6:], MEDIA_BLOCKS_DICTIONARY + if string[6:].lower() in MEDIA_BLOCKS_DICTIONARY: + MEDIA_BLOCKS_DICTIONARY[string[6:].lower()]() elif os.path.exists(string[6:]): # is it a path? self.filepath = string[6:] elif self.tw.running_sugar: # is it a datastore object? @@ -1377,8 +1358,7 @@ class LogoCode: if self.dsobject is not None: self.dsobject.destroy() else: # assume it is text to display - x = self._x() - y = self._y() + x, y = self._x(), self._y() if center: y -= self.tw.canvas.textsize self.tw.canvas.draw_text(string, x, y, @@ -1387,8 +1367,7 @@ class LogoCode: self.tw.canvas.width - x) elif type(string) == float or type(string) == int: string = round_int(string) - x = self._x() - y = self._y() + x, y = self._x(), self._y() if center: y -= self.tw.canvas.textsize self.tw.canvas.draw_text(string, x, y, @@ -1401,23 +1380,23 @@ class LogoCode: if filepath is not None: self.filepath = filepath pixbuf = None - w = self._w() - h = self._h() + w, h = self._w(), self._h() if w < 1 or h < 1: return - if self.filepath is not None and self.filepath != '': + if self.dsobject is not None: + try: + pixbuf = get_pixbuf_from_journal(self.dsobject, w, h) + except: + _logger.debug("Couldn't open dsobject %s" % (self.dsobject)) + if pixbuf is None and \ + self.filepath is not None and \ + self.filepath != '': try: pixbuf = gtk.gdk.pixbuf_new_from_file_at_size(self.filepath, w, h) except: self.tw.showlabel('nojournal', self.filepath) _logger.debug("Couldn't open filepath %s" % (self.filepath)) - elif self.dsobject is not None: - try: - pixbuf = get_pixbuf_from_journal(self.dsobject, w, h) - except: - self.tw.showlabel('nojournal', self.dsobject) - _logger.debug("Couldn't open dsobject %s" % (self.dsobject)) if pixbuf is not None: if center: self.tw.canvas.draw_pixbuf(pixbuf, 0, 0, @@ -1448,8 +1427,12 @@ class LogoCode: f.close() except IOError: self.tw.showlabel('nojournal', self.filepath) +<<<<<<< HEAD _logger.debug("Couldn't open filepath %s" % \ (self.filepath)) +======= + _logger.debug("Couldn't open %s" % (self.filepath)) +>>>>>>> 860754f7e871617df9d101a51dc64a69b742a0ba else: if description is not None: text = str(description) @@ -1461,23 +1444,35 @@ class LogoCode: def _media_wait(self): """ Wait for media to stop playing """ - while(media_playing(self)): - yield True + if self.tw.gst_available: + from tagplay import media_playing + while(media_playing(self)): + yield True self._ireturn() yield True def _play_sound(self): """ Sound file from Journal """ - play_audio_from_file(self, self.filepath) + if self.tw.gst_available: + from tagplay import play_audio_from_file + play_audio_from_file(self, self.filepath) def _play_video(self): """ Movie file from Journal """ - w = self._w() - h = self._h() + w, h = self._w(), self._h() if w < 1 or h < 1: return - play_movie_from_file(self, self.filepath, self._x(), self._y(), - self._w(), self._h()) + if self.tw.gst_available: + from tagplay import play_movie_from_file + play_movie_from_file(self, self.filepath, self._x(), self._y(), + w, h) + + def _elapsed_time(self): + """ Number of seconds since program execution has started or + clean (prim_clear) block encountered """ + elapsed_time = int(time() - self._start_time) + self.update_label_value('time', elapsed_time) + return elapsed_time def see(self): """ Read r, g, b from the canvas and return a corresponding palette @@ -1493,6 +1488,7 @@ class LogoCode: self.heap.append(b) self.heap.append(g) self.heap.append(r) +<<<<<<< HEAD def _read_camera(self, luminance_only=False): """ Read average pixel from camera and push b, g, r to the stack """ @@ -1635,6 +1631,8 @@ class LogoCode: else: return 0 +======= +>>>>>>> 860754f7e871617df9d101a51dc64a69b742a0ba # Depreciated block methods def _show_template1x1(self, title, media): diff --git a/TurtleArt/taturtle.py b/TurtleArt/taturtle.py index a7a3205..f309eef 100644 --- a/TurtleArt/taturtle.py +++ b/TurtleArt/taturtle.py @@ -19,7 +19,7 @@ #OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN #THE SOFTWARE. -from taconstants import TURTLE_LAYER +from taconstants import TURTLE_LAYER, DEFAULT_TURTLE_COLORS from tasprite_factory import SVG, svg_str_to_pixbuf from tacanvas import wrap100, color_table from sprites import Sprite @@ -149,7 +149,7 @@ class Turtle: self.shapes = generate_turtle_pixbufs(self.colors) else: if turtles is not None: - self.colors = ['#008000', '#00A000'] + self.colors = DEFAULT_TURTLE_COLORS self.shapes = turtles.get_pixbufs() def set_shapes(self, shapes): diff --git a/TurtleArt/tautils.py b/TurtleArt/tautils.py index c66b322..521637e 100644 --- a/TurtleArt/tautils.py +++ b/TurtleArt/tautils.py @@ -285,18 +285,30 @@ def get_path(activity, subpath): "org.laptop.TurtleArtActivity", subpath)) -def image_to_base64(pixbuf, activity): - """ Convert an image to base64 """ - _file_name = os.path.join(get_path(activity, 'instance'), 'imagetmp.png') +def image_to_base64(pixbuf, path_name): + """ Convert an image to base64-encoded data """ + file_name = os.path.join(path_name, 'imagetmp.png') if pixbuf != None: - pixbuf.save(_file_name, "png") - _base64 = os.path.join(get_path(activity, 'instance'), 'base64tmp') - _cmd = "base64 <" + _file_name + " >" + _base64 - subprocess.check_call(_cmd, shell=True) - _file_handle = open(_base64, 'r') - _data = _file_handle.read() - _file_handle.close() - return _data + pixbuf.save(file_name, "png") + base64 = os.path.join(path_name, 'base64tmp') + cmd = "base64 <" + file_name + " >" + base64 + subprocess.check_call(cmd, shell=True) + file_handle = open(base64, 'r') + data = file_handle.read() + file_handle.close() + return data + + +def base64_to_image(data, path_name): + """ Convert base64-encoded data to an image """ + base64 = os.path.join(path_name, 'base64tmp') + file_handle = open(base64, 'w') + file_handle.write(data) + file_handle.close() + file_name = os.path.join(path_name, 'imagetmp.png') + cmd = "base64 -d <" + base64 + ">" + file_name + subprocess.check_call(cmd, shell=True) + return file_name def movie_media_type(name): @@ -318,7 +330,7 @@ def image_media_type(name): def text_media_type(name): """ Is it text media? """ - return name.lower().endswith(('.txt', '.py', '.lg', '.rtf', '.ta')) + return name.lower().endswith(('.txt', '.py', '.lg', '.rtf')) def round_int(num): diff --git a/TurtleArt/tawindow.py b/TurtleArt/tawindow.py index ad830d9..f12a753 100644 --- a/TurtleArt/tawindow.py +++ b/TurtleArt/tawindow.py @@ -1,8 +1,7 @@ # -*- coding: utf-8 -*- #Copyright (c) 2007, Playful Invention Company -#Copyright (c) 2008-10, Walter Bender -#Copyright (c) 2009-10 Raúl Gutiérrez Segalés -#Copyright (C) 2010 Emiliano Pastorino <epastorino@plan.ceibal.edu.uy> +#Copyright (c) 2008-11, Walter Bender +#Copyright (c) 2009-11 Raúl Gutiérrez Segalés #Copyright (c) 2011 Collabora Ltd. <http://www.collabora.co.uk/> #Permission is hereby granted, free of charge, to any person obtaining a copy @@ -27,7 +26,14 @@ import pygtk pygtk.require('2.0') import gtk import gobject -import gst + +try: + import gst + GST_AVAILABLE = True +except ImportError: + # Turtle Art should not fail if gst is not available + GST_AVAILABLE = False + import os import os.path import dbus @@ -60,7 +66,7 @@ from taconstants import HORIZONTAL_PALETTE, VERTICAL_PALETTE, BLOCK_SCALE, \ NUMBER_STYLE_PORCH, NUMBER_STYLE_BLOCK, \ NUMBER_STYLE_VAR_ARG, CONSTANTS, XO1, XO15, UNKNOWN, \ BASIC_STYLE_VAR_ARG -from talogo import LogoCode, stop_logo +from talogo import LogoCode from tacanvas import TurtleGraphics from tablock import Blocks, Block from taturtle import Turtles, Turtle @@ -76,18 +82,11 @@ from tautils import magnitude, get_load_name, get_save_name, data_from_file, \ dock_dx_dy, data_to_string, journal_check, chooser, \ get_hardware from tasprite_factory import SVG, svg_str_to_pixbuf, svg_from_file -from tagplay import stop_media from sprites import Sprites, Sprite -from audiograb import AudioGrab_Unknown, AudioGrab_XO1, AudioGrab_XO15 -from rfidutils import strhex2bin, strbin2dec, find_device from dbus.mainloop.glib import DBusGMainLoop -HAL_SERVICE = 'org.freedesktop.Hal' -HAL_MGR_PATH = '/org/freedesktop/Hal/Manager' -HAL_MGR_IFACE = 'org.freedesktop.Hal.Manager' -HAL_DEV_IFACE = 'org.freedesktop.Hal.Device' -REGEXP_SERUSB = '\/org\/freedesktop\/Hal\/devices\/usb_device['\ - 'a-z,A-Z,0-9,_]*serial_usb_[0-9]' +if GST_AVAILABLE: + from tagplay import stop_media import logging _logger = logging.getLogger('turtleart-activity') @@ -96,13 +95,17 @@ _logger = logging.getLogger('turtleart-activity') class TurtleArtWindow(): """ TurtleArt Window class abstraction """ timeout_tag = [0] + _INSTALL_PATH = '/usr/share/turtleart' + _ALTERNATE_INSTALL_PATH = '/usr/local/share/turtleart' + _PLUGIN_SUBPATH = 'plugins' def __init__(self, win, path, parent=None, mycolors=None, mynick=None): self._loaded_project = '' self.win = None self._sharing = False self.parent = parent - self.send_event = None # method to send events over the network + self.send_event = None # method to send events over the network + self.gst_available = GST_AVAILABLE if type(win) == gtk.DrawingArea: self.interactive_mode = True self.window = win @@ -147,7 +150,11 @@ class TurtleArtWindow(): self.mouse_x = 0 self.mouse_y = 0 - locale.setlocale(locale.LC_NUMERIC, '') + # if self.running_sugar: + try: + locale.setlocale(locale.LC_NUMERIC, '') + except locale.Error: + _logger.debug('unsupported locale') self.decimal_point = locale.localeconv()['decimal_point'] if self.decimal_point == '' or self.decimal_point is None: self.decimal_point = '.' @@ -256,95 +263,91 @@ class TurtleArtWindow(): self._setup_misc() self._show_toolbar_palette(0, False) - # setup sound/sensor grab - if self.hw in [XO1, XO15]: - PALETTES[PALETTE_NAMES.index('sensor')].append('resistance') - PALETTES[PALETTE_NAMES.index('sensor')].append('voltage') - self.audio_started = False - - self.camera_available = False - v4l2src = gst.element_factory_make('v4l2src') - if v4l2src.props.device_name is not None: - PALETTES[PALETTE_NAMES.index('sensor')].append('readcamera') - PALETTES[PALETTE_NAMES.index('sensor')].append('luminance') - PALETTES[PALETTE_NAMES.index('sensor')].append('camera') - self.camera_available = True + self._plugins = [] + self._init_plugins() self.lc = LogoCode(self) - self.saved_pictures = [] + self._setup_plugins() + self.saved_pictures = [] self.block_operation = '' - """ - The following code will initialize a USB RFID reader. Please note that - in order to make this initialization function work, it is necessary to - set the permission for the ttyUSB device to 0666. You can do this by - adding a rule to /etc/udev/rules.d - - As root (using sudo or su), copy the following text into a new file in - /etc/udev/rules.d/94-ttyUSB-rules - - KERNEL=="ttyUSB[0-9]",MODE="0666" - - You only have to do this once. - """ - - self.rfid_connected = False - self.rfid_device = find_device() - self.rfid_idn = '' - - if self.rfid_device is not None: - _logger.info("RFID device found") - self.rfid_connected = self.rfid_device.do_connect() - if self.rfid_connected: - self.rfid_device.connect("tag-read", self._tag_read_cb) - self.rfid_device.connect("disconnected", self._disconnected_cb) - - loop = DBusGMainLoop() - bus = dbus.SystemBus(mainloop=loop) - hmgr_iface = dbus.Interface(bus.get_object(HAL_SERVICE, - HAL_MGR_PATH), HAL_MGR_IFACE) - - hmgr_iface.connect_to_signal('DeviceAdded', self._device_added_cb) - - PALETTES[PALETTE_NAMES.index('sensor')].append('rfid') - - def _device_added_cb(self, path): - """ - Called from hal connection when a new device is plugged. - """ - if not self.rfid_connected: - self.rfid_device = find_device() - _logger.debug("DEVICE_ADDED: %s"%self.rfid_device) - if self.rfid_device is not None: - _logger.debug("DEVICE_ADDED: RFID device is not None!") - self.rfid_connected = self._device.do_connect() - if self.rfid_connected: - _logger.debug("DEVICE_ADDED: Connected!") - self.rfid_device.connect("tag-read", self._tag_read_cb) - self.rfid_device.connect("disconnected", self._disconnected_cb) - - def _disconnected_cb(self, device, text): - """ - Called when the device is disconnected. - """ - self.rfid_connected = False - self.rfid_device = None - - def _tag_read_cb(self, device, tagid): - """ - Callback for "tag-read" signal. Receives the read tag id. - """ - idbin = strhex2bin(tagid) - self.rfid_idn = strbin2dec(idbin[26:64]) - while self.rfid_idn.__len__() < 9: - self.rfid_idn = '0' + self.rfid_idn - print tagid, idbin, self.rfid_idn - - def new_buffer(self, buf): - """ Append a new buffer to the ringbuffer """ - self.lc.ringbuffer.append(buf) - return True + def _get_plugin_home(self): + """ Look in current directory first, then usual places """ + path = os.path.join(os.getcwd(), self._PLUGIN_SUBPATH) + if os.path.exists(path): + return path + path = os.path.expanduser(os.path.join('~', 'Activities', + 'TurtleBlocks.activity', + self._PLUGIN_SUBPATH)) + if os.path.exists(path): + return path + path = os.path.expanduser(os.path.join('~', 'Activities', + 'TurtleArt.activity', + self._PLUGIN_SUBPATH)) + if os.path.exists(path): + return path + path = os.path.join(self._INSTALL_PATH, self._PLUGIN_SUBPATH) + if os.path.exists(path): + return path + path = os.path.join(self._ALTERNATE_INSTALL_PATH, + self._PLUGIN_SUBPATH) + if os.path.exists(path): + return path + return None + + def _get_plugin_candidates(self, path): + """ Look for plugin files in plugin directory. """ + plugin_files = [] + if path is not None: + candidates = os.listdir(path) + for c in candidates: + if c[-10:] == '_plugin.py' and c[0] != '#' and c[0] != '.': + plugin_files.append(c.split('.')[0]) + return plugin_files + + def _init_plugins(self): + """ Try importing plugin files from the plugin directory. """ + for pluginfile in self._get_plugin_candidates(self._get_plugin_home()): + pluginclass = pluginfile.capitalize() + f = "def f(self): from plugins.%s import %s; return %s(self)" \ + % (pluginfile, pluginclass, pluginclass) + plugins = {} + try: + exec f in globals(), plugins + self._plugins.append(plugins.values()[0](self)) + except ImportError: + print 'failed to import %s' % (pluginclass) + + def _setup_plugins(self): + """ Initial setup -- call just once. """ + for plugin in self._plugins: + plugin.setup() + + def _start_plugins(self): + """ Start is called everytime we execute blocks. """ + for plugin in self._plugins: + plugin.start() + + def _stop_plugins(self): + """ Stop is called whenever we stop execution. """ + for plugin in self._plugins: + plugin.stop() + + def background_plugins(self): + """ Background is called when we are pushed to the background. """ + for plugin in self._plugins: + plugin.goto_background() + + def foreground_plugins(self): + """ Foreground is called when we are return from the background. """ + for plugin in self._plugins: + plugin.return_to_foreground() + + def _quit_plugins(self): + """ Quit is called upon program exit. """ + for plugin in self._plugins: + plugin.quit() def _setup_events(self): """ Register the events we listen to. """ @@ -420,29 +423,13 @@ class TurtleArtWindow(): self.lc.prim_clear() self.display_coordinates() - def _start_audiograb(self): - """ Start grabbing audio if there is an audio block in use """ - if len(self.block_list.get_similar_blocks('block', - ['volume', 'sound', 'pitch', 'resistance', 'voltage'])) > 0: - if self.audio_started: - self.audiograb.resume_grabbing() - else: - if self.hw == XO15: - self.audiograb = AudioGrab_XO15(self.new_buffer, self) - elif self.hw == XO1: - self.audiograb = AudioGrab_XO1(self.new_buffer, self) - else: - self.audiograb = AudioGrab_Unknown(self.new_buffer, self) - self.audiograb.start_grabbing() - self.audio_started = True - def run_button(self, time): """ Run turtle! """ if self.running_sugar: self.activity.recenter() if self.interactive_mode: - self._start_audiograb() + self._start_plugins() # Look for a 'start' block for blk in self.just_blocks(): @@ -462,9 +449,8 @@ class TurtleArtWindow(): def stop_button(self): """ Stop button """ - stop_logo(self) - if self.audio_started: - self.audiograb.pause_grabbing() + self.lc.stop_logo() + self._stop_plugins() def set_userdefined(self, blk=None): """ Change icon for user-defined blocks after loading Python code. """ @@ -1585,6 +1571,7 @@ class TurtleArtWindow(): blk.spr.labels[0] += CURSOR elif blk.name in BOX_STYLE_MEDIA and blk.name != 'camera': + # TODO: isolate reference to camera self._import_from_journal(self.selected_blk) if blk.name == 'journal' and self.running_sugar: self._load_description_block(blk) @@ -1628,7 +1615,7 @@ class TurtleArtWindow(): dy = 20 blk.expand_in_y(dy) else: - self._start_audiograb() + self._start_plugins() self._run_stack(blk) return @@ -1691,10 +1678,10 @@ class TurtleArtWindow(): elif blk.name in PYTHON_SKIN: self._import_py() else: - self._start_audiograb() + self._start_plugins() self._run_stack(blk) - elif blk.name in ['sandwichtop_no_arm_no_label', + elif blk.name in ['sandwichtop_no_arm_no_label', 'sandwichtop_no_arm']: restore_stack(blk) @@ -1706,7 +1693,7 @@ class TurtleArtWindow(): collapse_stack(top) else: - self._start_audiograb() + self._start_plugins() self._run_stack(blk) def _expand_boolean(self, blk, blk2, dy): @@ -1790,7 +1777,6 @@ class TurtleArtWindow(): """ Run a stack of blocks. """ if blk is None: return - self.lc.ag = None top = find_top_block(blk) self.lc.run_blocks(top, self.just_blocks(), True) if self.interactive_mode: @@ -1996,9 +1982,9 @@ class TurtleArtWindow(): if keyname == "p": self.hideshow_button() elif keyname == 'q': - if self.audio_started: - self.audiograb.stop_grabbing() - stop_media(self.lc) + self._plugins_quit() + if self.gst_available: + stop_media(self.lc) exit() elif keyname == 'g': self._align_to_grid() @@ -2356,7 +2342,7 @@ class TurtleArtWindow(): def new_project(self): """ Start a new project """ - stop_logo(self) + self.lc.stop_logo() self._loaded_project = "" # Put current project in the trash. while len(self.just_blocks()) > 0: @@ -2474,7 +2460,7 @@ class TurtleArtWindow(): if self.running_sugar: try: dsobject = datastore.get(value) - except: # Should be IOError, but dbus error is raised + except: # Should be IOError, but dbus error is raised dsobject = None _logger.debug("couldn't get dsobject %s" % value) if dsobject is not None: @@ -2515,6 +2501,7 @@ class TurtleArtWindow(): else: self._block_skin('pythonoff', blk) elif btype in BOX_STYLE_MEDIA and blk.spr is not None: + # TODO: isolate reference to camera if len(blk.values) == 0 or blk.values[0] == 'None' or \ blk.values[0] is None or btype == 'camera': self._block_skin(btype + 'off', blk) diff --git a/TurtleArt/v4l2.py b/TurtleArt/v4l2.py deleted file mode 100644 index 9c052fd..0000000 --- a/TurtleArt/v4l2.py +++ /dev/null @@ -1,1914 +0,0 @@ -# Python bindings for the v4l2 userspace api - -# Copyright (C) 1999-2009 the contributors - -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. - -# Alternatively you can redistribute this file under the terms of the -# BSD license as stated below: - -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# 1. Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# 2. Redistributions in binary form must reproduce the above copyright -# notice, this list of conditions and the following disclaimer in -# the documentation and/or other materials provided with the -# distribution. -# 3. The names of its contributors may not be used to endorse or promote -# products derived from this software without specific prior written -# permission. - -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED -# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR -# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF -# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING -# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -""" -Python bindings for the v4l2 userspace api in Linux 2.6.34 -""" - -# see linux/videodev2.h - -import ctypes - - -_IOC_NRBITS = 8 -_IOC_TYPEBITS = 8 -_IOC_SIZEBITS = 14 -_IOC_DIRBITS = 2 - -_IOC_NRSHIFT = 0 -_IOC_TYPESHIFT = _IOC_NRSHIFT + _IOC_NRBITS -_IOC_SIZESHIFT = _IOC_TYPESHIFT + _IOC_TYPEBITS -_IOC_DIRSHIFT = _IOC_SIZESHIFT + _IOC_SIZEBITS - -_IOC_NONE = 0 -_IOC_WRITE = 1 -_IOC_READ = 2 - - -def _IOC(dir_, type_, nr, size): - return ( - ctypes.c_int32(dir_ << _IOC_DIRSHIFT).value | - ctypes.c_int32(ord(type_) << _IOC_TYPESHIFT).value | - ctypes.c_int32(nr << _IOC_NRSHIFT).value | - ctypes.c_int32(size << _IOC_SIZESHIFT).value) - - -def _IOC_TYPECHECK(t): - return ctypes.sizeof(t) - - -def _IO(type_, nr): - return _IOC(_IOC_NONE, type_, nr, 0) - - -def _IOW(type_, nr, size): - return _IOC(_IOC_WRITE, type_, nr, _IOC_TYPECHECK(size)) - - -def _IOR(type_, nr, size): - return _IOC(_IOC_READ, type_, nr, _IOC_TYPECHECK(size)) - - -def _IOWR(type_, nr, size): - return _IOC(_IOC_READ | _IOC_WRITE, type_, nr, _IOC_TYPECHECK(size)) - - -# -# type alias -# - -enum = ctypes.c_uint -c_int = ctypes.c_int - - -# -# time -# - -class timeval(ctypes.Structure): - _fields_ = [ - ('secs', ctypes.c_long), - ('usecs', ctypes.c_long), - ] - - -# -# v4l2 -# - - -VIDEO_MAX_FRAME = 32 - - -VID_TYPE_CAPTURE = 1 -VID_TYPE_TUNER = 2 -VID_TYPE_TELETEXT = 4 -VID_TYPE_OVERLAY = 8 -VID_TYPE_CHROMAKEY = 16 -VID_TYPE_CLIPPING = 32 -VID_TYPE_FRAMERAM = 64 -VID_TYPE_SCALES = 128 -VID_TYPE_MONOCHROME = 256 -VID_TYPE_SUBCAPTURE = 512 -VID_TYPE_MPEG_DECODER = 1024 -VID_TYPE_MPEG_ENCODER = 2048 -VID_TYPE_MJPEG_DECODER = 4096 -VID_TYPE_MJPEG_ENCODER = 8192 - - -def v4l2_fourcc(a, b, c, d): - return ord(a) | (ord(b) << 8) | (ord(c) << 16) | (ord(d) << 24) - - -v4l2_field = enum -( - V4L2_FIELD_ANY, - V4L2_FIELD_NONE, - V4L2_FIELD_TOP, - V4L2_FIELD_BOTTOM, - V4L2_FIELD_INTERLACED, - V4L2_FIELD_SEQ_TB, - V4L2_FIELD_SEQ_BT, - V4L2_FIELD_ALTERNATE, - V4L2_FIELD_INTERLACED_TB, - V4L2_FIELD_INTERLACED_BT, -) = range(10) - - -def V4L2_FIELD_HAS_TOP(field): - return ( - field == V4L2_FIELD_TOP or - field == V4L2_FIELD_INTERLACED or - field == V4L2_FIELD_INTERLACED_TB or - field == V4L2_FIELD_INTERLACED_BT or - field == V4L2_FIELD_SEQ_TB or - field == V4L2_FIELD_SEQ_BT) - - -def V4L2_FIELD_HAS_BOTTOM(field): - return ( - field == V4L2_FIELD_BOTTOM or - field == V4L2_FIELD_INTERLACED or - field == V4L2_FIELD_INTERLACED_TB or - field == V4L2_FIELD_INTERLACED_BT or - field == V4L2_FIELD_SEQ_TB or - field == V4L2_FIELD_SEQ_BT) - - -def V4L2_FIELD_HAS_BOTH(field): - return ( - field == V4L2_FIELD_INTERLACED or - field == V4L2_FIELD_INTERLACED_TB or - field == V4L2_FIELD_INTERLACED_BT or - field == V4L2_FIELD_SEQ_TB or - field == V4L2_FIELD_SEQ_BT) - - -v4l2_buf_type = enum -( - V4L2_BUF_TYPE_VIDEO_CAPTURE, - V4L2_BUF_TYPE_VIDEO_OUTPUT, - V4L2_BUF_TYPE_VIDEO_OVERLAY, - V4L2_BUF_TYPE_VBI_CAPTURE, - V4L2_BUF_TYPE_VBI_OUTPUT, - V4L2_BUF_TYPE_SLICED_VBI_CAPTURE, - V4L2_BUF_TYPE_SLICED_VBI_OUTPUT, - V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY, - V4L2_BUF_TYPE_PRIVATE, -) = range(1, 9) + [0x80] - - -v4l2_ctrl_type = enum -( - V4L2_CTRL_TYPE_INTEGER, - V4L2_CTRL_TYPE_BOOLEAN, - V4L2_CTRL_TYPE_MENU, - V4L2_CTRL_TYPE_BUTTON, - V4L2_CTRL_TYPE_INTEGER64, - V4L2_CTRL_TYPE_CTRL_CLASS, - V4L2_CTRL_TYPE_STRING, -) = range(1, 8) - - -v4l2_tuner_type = enum -( - V4L2_TUNER_RADIO, - V4L2_TUNER_ANALOG_TV, - V4L2_TUNER_DIGITAL_TV, -) = range(1, 4) - - -v4l2_memory = enum -( - V4L2_MEMORY_MMAP, - V4L2_MEMORY_USERPTR, - V4L2_MEMORY_OVERLAY, -) = range(1, 4) - - -v4l2_colorspace = enum -( - V4L2_COLORSPACE_SMPTE170M, - V4L2_COLORSPACE_SMPTE240M, - V4L2_COLORSPACE_REC709, - V4L2_COLORSPACE_BT878, - V4L2_COLORSPACE_470_SYSTEM_M, - V4L2_COLORSPACE_470_SYSTEM_BG, - V4L2_COLORSPACE_JPEG, - V4L2_COLORSPACE_SRGB, -) = range(1, 9) - - -v4l2_priority = enum -( - V4L2_PRIORITY_UNSET, - V4L2_PRIORITY_BACKGROUND, - V4L2_PRIORITY_INTERACTIVE, - V4L2_PRIORITY_RECORD, - V4L2_PRIORITY_DEFAULT, -) = range(0, 4) + [2] - - -class v4l2_rect(ctypes.Structure): - _fields_ = [ - ('left', ctypes.c_int32), - ('top', ctypes.c_int32), - ('width', ctypes.c_int32), - ('height', ctypes.c_int32), - ] - - -class v4l2_fract(ctypes.Structure): - _fields_ = [ - ('numerator', ctypes.c_uint32), - ('denominator', ctypes.c_uint32), - ] - - -# -# Driver capabilities -# - -class v4l2_capability(ctypes.Structure): - _fields_ = [ - ('driver', ctypes.c_char * 16), - ('card', ctypes.c_char * 32), - ('bus_info', ctypes.c_char * 32), - ('version', ctypes.c_uint32), - ('capabilities', ctypes.c_uint32), - ('reserved', ctypes.c_uint32 * 4), - ] - - -# -# Values for 'capabilities' field -# - -V4L2_CAP_VIDEO_CAPTURE = 0x00000001 -V4L2_CAP_VIDEO_OUTPUT = 0x00000002 -V4L2_CAP_VIDEO_OVERLAY = 0x00000004 -V4L2_CAP_VBI_CAPTURE = 0x00000010 -V4L2_CAP_VBI_OUTPUT = 0x00000020 -V4L2_CAP_SLICED_VBI_CAPTURE = 0x00000040 -V4L2_CAP_SLICED_VBI_OUTPUT = 0x00000080 -V4L2_CAP_RDS_CAPTURE = 0x00000100 -V4L2_CAP_VIDEO_OUTPUT_OVERLAY = 0x00000200 -V4L2_CAP_HW_FREQ_SEEK = 0x00000400 -V4L2_CAP_RDS_OUTPUT = 0x00000800 - -V4L2_CAP_TUNER = 0x00010000 -V4L2_CAP_AUDIO = 0x00020000 -V4L2_CAP_RADIO = 0x00040000 -V4L2_CAP_MODULATOR = 0x00080000 - -V4L2_CAP_READWRITE = 0x01000000 -V4L2_CAP_ASYNCIO = 0x02000000 -V4L2_CAP_STREAMING = 0x04000000 - - -# -# Video image format -# - -class v4l2_pix_format(ctypes.Structure): - _fields_ = [ - ('width', ctypes.c_uint32), - ('height', ctypes.c_uint32), - ('pixelformat', ctypes.c_uint32), - ('field', v4l2_field), - ('bytesperline', ctypes.c_uint32), - ('sizeimage', ctypes.c_uint32), - ('colorspace', v4l2_colorspace), - ('priv', ctypes.c_uint32), - ] - -# RGB formats -V4L2_PIX_FMT_RGB332 = v4l2_fourcc('R', 'G', 'B', '1') -V4L2_PIX_FMT_RGB444 = v4l2_fourcc('R', '4', '4', '4') -V4L2_PIX_FMT_RGB555 = v4l2_fourcc('R', 'G', 'B', 'O') -V4L2_PIX_FMT_RGB565 = v4l2_fourcc('R', 'G', 'B', 'P') -V4L2_PIX_FMT_RGB555X = v4l2_fourcc('R', 'G', 'B', 'Q') -V4L2_PIX_FMT_RGB565X = v4l2_fourcc('R', 'G', 'B', 'R') -V4L2_PIX_FMT_BGR24 = v4l2_fourcc('B', 'G', 'R', '3') -V4L2_PIX_FMT_RGB24 = v4l2_fourcc('R', 'G', 'B', '3') -V4L2_PIX_FMT_BGR32 = v4l2_fourcc('B', 'G', 'R', '4') -V4L2_PIX_FMT_RGB32 = v4l2_fourcc('R', 'G', 'B', '4') - -# Grey formats -V4L2_PIX_FMT_GREY = v4l2_fourcc('G', 'R', 'E', 'Y') -V4L2_PIX_FMT_Y10 = v4l2_fourcc('Y', '1', '0', ' ') -V4L2_PIX_FMT_Y16 = v4l2_fourcc('Y', '1', '6', ' ') - -# Palette formats -V4L2_PIX_FMT_PAL8 = v4l2_fourcc('P', 'A', 'L', '8') - -# Luminance+Chrominance formats -V4L2_PIX_FMT_YVU410 = v4l2_fourcc('Y', 'V', 'U', '9') -V4L2_PIX_FMT_YVU420 = v4l2_fourcc('Y', 'V', '1', '2') -V4L2_PIX_FMT_YUYV = v4l2_fourcc('Y', 'U', 'Y', 'V') -V4L2_PIX_FMT_YYUV = v4l2_fourcc('Y', 'Y', 'U', 'V') -V4L2_PIX_FMT_YVYU = v4l2_fourcc('Y', 'V', 'Y', 'U') -V4L2_PIX_FMT_UYVY = v4l2_fourcc('U', 'Y', 'V', 'Y') -V4L2_PIX_FMT_VYUY = v4l2_fourcc('V', 'Y', 'U', 'Y') -V4L2_PIX_FMT_YUV422P = v4l2_fourcc('4', '2', '2', 'P') -V4L2_PIX_FMT_YUV411P = v4l2_fourcc('4', '1', '1', 'P') -V4L2_PIX_FMT_Y41P = v4l2_fourcc('Y', '4', '1', 'P') -V4L2_PIX_FMT_YUV444 = v4l2_fourcc('Y', '4', '4', '4') -V4L2_PIX_FMT_YUV555 = v4l2_fourcc('Y', 'U', 'V', 'O') -V4L2_PIX_FMT_YUV565 = v4l2_fourcc('Y', 'U', 'V', 'P') -V4L2_PIX_FMT_YUV32 = v4l2_fourcc('Y', 'U', 'V', '4') -V4L2_PIX_FMT_YUV410 = v4l2_fourcc('Y', 'U', 'V', '9') -V4L2_PIX_FMT_YUV420 = v4l2_fourcc('Y', 'U', '1', '2') -V4L2_PIX_FMT_HI240 = v4l2_fourcc('H', 'I', '2', '4') -V4L2_PIX_FMT_HM12 = v4l2_fourcc('H', 'M', '1', '2') - -# two planes -- one Y, one Cr + Cb interleaved -V4L2_PIX_FMT_NV12 = v4l2_fourcc('N', 'V', '1', '2') -V4L2_PIX_FMT_NV21 = v4l2_fourcc('N', 'V', '2', '1') -V4L2_PIX_FMT_NV16 = v4l2_fourcc('N', 'V', '1', '6') -V4L2_PIX_FMT_NV61 = v4l2_fourcc('N', 'V', '6', '1') - -# Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm -V4L2_PIX_FMT_SBGGR8 = v4l2_fourcc('B', 'A', '8', '1') -V4L2_PIX_FMT_SGBRG8 = v4l2_fourcc('G', 'B', 'R', 'G') -V4L2_PIX_FMT_SGRBG8 = v4l2_fourcc('G', 'R', 'B', 'G') -V4L2_PIX_FMT_SRGGB8 = v4l2_fourcc('R', 'G', 'G', 'B') -V4L2_PIX_FMT_SBGGR10 = v4l2_fourcc('B', 'G', '1', '0') -V4L2_PIX_FMT_SGBRG10 = v4l2_fourcc('G', 'B', '1', '0') -V4L2_PIX_FMT_SGRBG10 = v4l2_fourcc('B', 'A', '1', '0') -V4L2_PIX_FMT_SRGGB10 = v4l2_fourcc('R', 'G', '1', '0') -V4L2_PIX_FMT_SGRBG10DPCM8 = v4l2_fourcc('B', 'D', '1', '0') -V4L2_PIX_FMT_SBGGR16 = v4l2_fourcc('B', 'Y', 'R', '2') - -# compressed formats -V4L2_PIX_FMT_MJPEG = v4l2_fourcc('M', 'J', 'P', 'G') -V4L2_PIX_FMT_JPEG = v4l2_fourcc('J', 'P', 'E', 'G') -V4L2_PIX_FMT_DV = v4l2_fourcc('d', 'v', 's', 'd') -V4L2_PIX_FMT_MPEG = v4l2_fourcc('M', 'P', 'E', 'G') - -# Vendor-specific formats -V4L2_PIX_FMT_CPIA1 = v4l2_fourcc('C', 'P', 'I', 'A') -V4L2_PIX_FMT_WNVA = v4l2_fourcc('W', 'N', 'V', 'A') -V4L2_PIX_FMT_SN9C10X = v4l2_fourcc('S', '9', '1', '0') -V4L2_PIX_FMT_SN9C20X_I420 = v4l2_fourcc('S', '9', '2', '0') -V4L2_PIX_FMT_PWC1 = v4l2_fourcc('P', 'W', 'C', '1') -V4L2_PIX_FMT_PWC2 = v4l2_fourcc('P', 'W', 'C', '2') -V4L2_PIX_FMT_ET61X251 = v4l2_fourcc('E', '6', '2', '5') -V4L2_PIX_FMT_SPCA501 = v4l2_fourcc('S', '5', '0', '1') -V4L2_PIX_FMT_SPCA505 = v4l2_fourcc('S', '5', '0', '5') -V4L2_PIX_FMT_SPCA508 = v4l2_fourcc('S', '5', '0', '8') -V4L2_PIX_FMT_SPCA561 = v4l2_fourcc('S', '5', '6', '1') -V4L2_PIX_FMT_PAC207 = v4l2_fourcc('P', '2', '0', '7') -V4L2_PIX_FMT_MR97310A = v4l2_fourcc('M', '3', '1', '0') -V4L2_PIX_FMT_SN9C2028 = v4l2_fourcc('S', 'O', 'N', 'X') -V4L2_PIX_FMT_SQ905C = v4l2_fourcc('9', '0', '5', 'C') -V4L2_PIX_FMT_PJPG = v4l2_fourcc('P', 'J', 'P', 'G') -V4L2_PIX_FMT_OV511 = v4l2_fourcc('O', '5', '1', '1') -V4L2_PIX_FMT_OV518 = v4l2_fourcc('O', '5', '1', '8') -V4L2_PIX_FMT_STV0680 = v4l2_fourcc('S', '6', '8', '0') - - -# -# Format enumeration -# - -class v4l2_fmtdesc(ctypes.Structure): - _fields_ = [ - ('index', ctypes.c_uint32), - ('type', ctypes.c_int), - ('flags', ctypes.c_uint32), - ('description', ctypes.c_char * 32), - ('pixelformat', ctypes.c_uint32), - ('reserved', ctypes.c_uint32 * 4), - ] - -V4L2_FMT_FLAG_COMPRESSED = 0x0001 -V4L2_FMT_FLAG_EMULATED = 0x0002 - - -# -# Experimental frame size and frame rate enumeration -# - -v4l2_frmsizetypes = enum -( - V4L2_FRMSIZE_TYPE_DISCRETE, - V4L2_FRMSIZE_TYPE_CONTINUOUS, - V4L2_FRMSIZE_TYPE_STEPWISE, -) = range(1, 4) - - -class v4l2_frmsize_discrete(ctypes.Structure): - _fields_ = [ - ('width', ctypes.c_uint32), - ('height', ctypes.c_uint32), - ] - - -class v4l2_frmsize_stepwise(ctypes.Structure): - _fields_ = [ - ('min_width', ctypes.c_uint32), - ('min_height', ctypes.c_uint32), - ('step_width', ctypes.c_uint32), - ('min_height', ctypes.c_uint32), - ('max_height', ctypes.c_uint32), - ('step_height', ctypes.c_uint32), - ] - - -class v4l2_frmsizeenum(ctypes.Structure): - class _u(ctypes.Union): - _fields_ = [ - ('discrete', v4l2_frmsize_discrete), - ('stepwise', v4l2_frmsize_stepwise), - ] - - _fields_ = [ - ('index', ctypes.c_uint32), - ('pixel_format', ctypes.c_uint32), - ('type', ctypes.c_uint32), - ('_u', _u), - ('reserved', ctypes.c_uint32 * 2) - ] - - _anonymous_ = ('_u',) - - -# -# Frame rate enumeration -# - -v4l2_frmivaltypes = enum -( - V4L2_FRMIVAL_TYPE_DISCRETE, - V4L2_FRMIVAL_TYPE_CONTINUOUS, - V4L2_FRMIVAL_TYPE_STEPWISE, -) = range(1, 4) - - -class v4l2_frmival_stepwise(ctypes.Structure): - _fields_ = [ - ('min', v4l2_fract), - ('max', v4l2_fract), - ('step', v4l2_fract), - ] - - -class v4l2_frmivalenum(ctypes.Structure): - class _u(ctypes.Union): - _fields_ = [ - ('discrete', v4l2_fract), - ('stepwise', v4l2_frmival_stepwise), - ] - - _fields_ = [ - ('index', ctypes.c_uint32), - ('pixel_format', ctypes.c_uint32), - ('width', ctypes.c_uint32), - ('height', ctypes.c_uint32), - ('type', ctypes.c_uint32), - ('_u', _u), - ('reserved', ctypes.c_uint32 * 2), - ] - - _anonymous_ = ('_u',) - - -# -# Timecode -# - -class v4l2_timecode(ctypes.Structure): - _fields_ = [ - ('type', ctypes.c_uint32), - ('flags', ctypes.c_uint32), - ('frames', ctypes.c_uint8), - ('seconds', ctypes.c_uint8), - ('minutes', ctypes.c_uint8), - ('hours', ctypes.c_uint8), - ('userbits', ctypes.c_uint8 * 4), - ] - - -V4L2_TC_TYPE_24FPS = 1 -V4L2_TC_TYPE_25FPS = 2 -V4L2_TC_TYPE_30FPS = 3 -V4L2_TC_TYPE_50FPS = 4 -V4L2_TC_TYPE_60FPS = 5 - -V4L2_TC_FLAG_DROPFRAME = 0x0001 -V4L2_TC_FLAG_COLORFRAME = 0x0002 -V4L2_TC_USERBITS_field = 0x000C -V4L2_TC_USERBITS_USERDEFINED = 0x0000 -V4L2_TC_USERBITS_8BITCHARS = 0x0008 - - -class v4l2_jpegcompression(ctypes.Structure): - _fields_ = [ - ('quality', ctypes.c_int), - ('APPn', ctypes.c_int), - ('APP_len', ctypes.c_int), - ('APP_data', ctypes.c_char * 60), - ('COM_len', ctypes.c_int), - ('COM_data', ctypes.c_char * 60), - ('jpeg_markers', ctypes.c_uint32), - ] - - -V4L2_JPEG_MARKER_DHT = 1 << 3 -V4L2_JPEG_MARKER_DQT = 1 << 4 -V4L2_JPEG_MARKER_DRI = 1 << 5 -V4L2_JPEG_MARKER_COM = 1 << 6 -V4L2_JPEG_MARKER_APP = 1 << 7 - - -# -# Memory-mapping buffers -# - -class v4l2_requestbuffers(ctypes.Structure): - _fields_ = [ - ('count', ctypes.c_uint32), - ('type', v4l2_buf_type), - ('memory', v4l2_memory), - ('reserved', ctypes.c_uint32 * 2), - ] - - -class v4l2_buffer(ctypes.Structure): - class _u(ctypes.Union): - _fields_ = [ - ('offset', ctypes.c_uint32), - ('userptr', ctypes.c_ulong), - ] - - _fields_ = [ - ('index', ctypes.c_uint32), - ('type', v4l2_buf_type), - ('bytesused', ctypes.c_uint32), - ('flags', ctypes.c_uint32), - ('field', v4l2_field), - ('timestamp', timeval), - ('timecode', v4l2_timecode), - ('sequence', ctypes.c_uint32), - ('memory', v4l2_memory), - ('m', _u), - ('length', ctypes.c_uint32), - ('input', ctypes.c_uint32), - ('reserved', ctypes.c_uint32), - ] - - -V4L2_BUF_FLAG_MAPPED = 0x0001 -V4L2_BUF_FLAG_QUEUED = 0x0002 -V4L2_BUF_FLAG_DONE = 0x0004 -V4L2_BUF_FLAG_KEYFRAME = 0x0008 -V4L2_BUF_FLAG_PFRAME = 0x0010 -V4L2_BUF_FLAG_BFRAME = 0x0020 -V4L2_BUF_FLAG_TIMECODE = 0x0100 -V4L2_BUF_FLAG_INPUT = 0x0200 - - -# -# Overlay preview -# - -class v4l2_framebuffer(ctypes.Structure): - _fields_ = [ - ('capability', ctypes.c_uint32), - ('flags', ctypes.c_uint32), - ('base', ctypes.c_void_p), - ('fmt', v4l2_pix_format), - ] - -V4L2_FBUF_CAP_EXTERNOVERLAY = 0x0001 -V4L2_FBUF_CAP_CHROMAKEY = 0x0002 -V4L2_FBUF_CAP_LIST_CLIPPING = 0x0004 -V4L2_FBUF_CAP_BITMAP_CLIPPING = 0x0008 -V4L2_FBUF_CAP_LOCAL_ALPHA = 0x0010 -V4L2_FBUF_CAP_GLOBAL_ALPHA = 0x0020 -V4L2_FBUF_CAP_LOCAL_INV_ALPHA = 0x0040 -V4L2_FBUF_CAP_SRC_CHROMAKEY = 0x0080 - -V4L2_FBUF_FLAG_PRIMARY = 0x0001 -V4L2_FBUF_FLAG_OVERLAY = 0x0002 -V4L2_FBUF_FLAG_CHROMAKEY = 0x0004 -V4L2_FBUF_FLAG_LOCAL_ALPHA = 0x0008 -V4L2_FBUF_FLAG_GLOBAL_ALPHA = 0x0010 -V4L2_FBUF_FLAG_LOCAL_INV_ALPHA = 0x0020 -V4L2_FBUF_FLAG_SRC_CHROMAKEY = 0x0040 - - -class v4l2_clip(ctypes.Structure): - pass -v4l2_clip._fields_ = [ - ('c', v4l2_rect), - ('next', ctypes.POINTER(v4l2_clip)), -] - - -class v4l2_window(ctypes.Structure): - _fields_ = [ - ('w', v4l2_rect), - ('field', v4l2_field), - ('chromakey', ctypes.c_uint32), - ('clips', ctypes.POINTER(v4l2_clip)), - ('clipcount', ctypes.c_uint32), - ('bitmap', ctypes.c_void_p), - ('global_alpha', ctypes.c_uint8), - ] - - -# -# Capture parameters -# - -class v4l2_captureparm(ctypes.Structure): - _fields_ = [ - ('capability', ctypes.c_uint32), - ('capturemode', ctypes.c_uint32), - ('timeperframe', v4l2_fract), - ('extendedmode', ctypes.c_uint32), - ('readbuffers', ctypes.c_uint32), - ('reserved', ctypes.c_uint32 * 4), - ] - - -V4L2_MODE_HIGHQUALITY = 0x0001 -V4L2_CAP_TIMEPERFRAME = 0x1000 - - -class v4l2_outputparm(ctypes.Structure): - _fields_ = [ - ('capability', ctypes.c_uint32), - ('outputmode', ctypes.c_uint32), - ('timeperframe', v4l2_fract), - ('extendedmode', ctypes.c_uint32), - ('writebuffers', ctypes.c_uint32), - ('reserved', ctypes.c_uint32 * 4), - ] - - -# -# Input image cropping -# - -class v4l2_cropcap(ctypes.Structure): - _fields_ = [ - ('type', v4l2_buf_type), - ('bounds', v4l2_rect), - ('defrect', v4l2_rect), - ('pixelaspect', v4l2_fract), - ] - - -class v4l2_crop(ctypes.Structure): - _fields_ = [ - ('type', ctypes.c_int), - ('c', v4l2_rect), - ] - - -# -# Analog video standard -# - -v4l2_std_id = ctypes.c_uint64 - - -V4L2_STD_PAL_B = 0x00000001 -V4L2_STD_PAL_B1 = 0x00000002 -V4L2_STD_PAL_G = 0x00000004 -V4L2_STD_PAL_H = 0x00000008 -V4L2_STD_PAL_I = 0x00000010 -V4L2_STD_PAL_D = 0x00000020 -V4L2_STD_PAL_D1 = 0x00000040 -V4L2_STD_PAL_K = 0x00000080 - -V4L2_STD_PAL_M = 0x00000100 -V4L2_STD_PAL_N = 0x00000200 -V4L2_STD_PAL_Nc = 0x00000400 -V4L2_STD_PAL_60 = 0x00000800 - -V4L2_STD_NTSC_M = 0x00001000 -V4L2_STD_NTSC_M_JP = 0x00002000 -V4L2_STD_NTSC_443 = 0x00004000 -V4L2_STD_NTSC_M_KR = 0x00008000 - -V4L2_STD_SECAM_B = 0x00010000 -V4L2_STD_SECAM_D = 0x00020000 -V4L2_STD_SECAM_G = 0x00040000 -V4L2_STD_SECAM_H = 0x00080000 -V4L2_STD_SECAM_K = 0x00100000 -V4L2_STD_SECAM_K1 = 0x00200000 -V4L2_STD_SECAM_L = 0x00400000 -V4L2_STD_SECAM_LC = 0x00800000 - -V4L2_STD_ATSC_8_VSB = 0x01000000 -V4L2_STD_ATSC_16_VSB = 0x02000000 - - -# some common needed stuff -V4L2_STD_PAL_BG = (V4L2_STD_PAL_B | V4L2_STD_PAL_B1 | V4L2_STD_PAL_G) -V4L2_STD_PAL_DK = (V4L2_STD_PAL_D | V4L2_STD_PAL_D1 | V4L2_STD_PAL_K) -V4L2_STD_PAL = (V4L2_STD_PAL_BG | V4L2_STD_PAL_DK | V4L2_STD_PAL_H | V4L2_STD_PAL_I) -V4L2_STD_NTSC = (V4L2_STD_NTSC_M | V4L2_STD_NTSC_M_JP | V4L2_STD_NTSC_M_KR) -V4L2_STD_SECAM_DK = (V4L2_STD_SECAM_D | V4L2_STD_SECAM_K | V4L2_STD_SECAM_K1) -V4L2_STD_SECAM = (V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H | V4L2_STD_SECAM_DK | V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC) - -V4L2_STD_525_60 = (V4L2_STD_PAL_M | V4L2_STD_PAL_60 | V4L2_STD_NTSC | V4L2_STD_NTSC_443) -V4L2_STD_625_50 = (V4L2_STD_PAL | V4L2_STD_PAL_N | V4L2_STD_PAL_Nc | V4L2_STD_SECAM) -V4L2_STD_ATSC = (V4L2_STD_ATSC_8_VSB | V4L2_STD_ATSC_16_VSB) - -V4L2_STD_UNKNOWN = 0 -V4L2_STD_ALL = (V4L2_STD_525_60 | V4L2_STD_625_50) - -# some merged standards -V4L2_STD_MN = (V4L2_STD_PAL_M | V4L2_STD_PAL_N | V4L2_STD_PAL_Nc | V4L2_STD_NTSC) -V4L2_STD_B = (V4L2_STD_PAL_B | V4L2_STD_PAL_B1 | V4L2_STD_SECAM_B) -V4L2_STD_GH = (V4L2_STD_PAL_G | V4L2_STD_PAL_H|V4L2_STD_SECAM_G | V4L2_STD_SECAM_H) -V4L2_STD_DK = (V4L2_STD_PAL_DK | V4L2_STD_SECAM_DK) - - -class v4l2_standard(ctypes.Structure): - _fields_ = [ - ('index', ctypes.c_uint32), - ('id', v4l2_std_id), - ('name', ctypes.c_char * 24), - ('frameperiod', v4l2_fract), - ('framelines', ctypes.c_uint32), - ('reserved', ctypes.c_uint32 * 4), - ] - - -# -# Video timings dv preset -# - -class v4l2_dv_preset(ctypes.Structure): - _fields_ = [ - ('preset', ctypes.c_uint32), - ('reserved', ctypes.c_uint32 * 4) - ] - - -# -# DV preset enumeration -# - -class v4l2_dv_enum_preset(ctypes.Structure): - _fields_ = [ - ('index', ctypes.c_uint32), - ('preset', ctypes.c_uint32), - ('name', ctypes.c_char * 32), - ('width', ctypes.c_uint32), - ('height', ctypes.c_uint32), - ('reserved', ctypes.c_uint32 * 4), - ] - -# -# DV preset values -# - -V4L2_DV_INVALID = 0 -V4L2_DV_480P59_94 = 1 -V4L2_DV_576P50 = 2 -V4L2_DV_720P24 = 3 -V4L2_DV_720P25 = 4 -V4L2_DV_720P30 = 5 -V4L2_DV_720P50 = 6 -V4L2_DV_720P59_94 = 7 -V4L2_DV_720P60 = 8 -V4L2_DV_1080I29_97 = 9 -V4L2_DV_1080I30 = 10 -V4L2_DV_1080I25 = 11 -V4L2_DV_1080I50 = 12 -V4L2_DV_1080I60 = 13 -V4L2_DV_1080P24 = 14 -V4L2_DV_1080P25 = 15 -V4L2_DV_1080P30 = 16 -V4L2_DV_1080P50 = 17 -V4L2_DV_1080P60 = 18 - - -# -# DV BT timings -# - -class v4l2_bt_timings(ctypes.Structure): - _fields_ = [ - ('width', ctypes.c_uint32), - ('height', ctypes.c_uint32), - ('interlaced', ctypes.c_uint32), - ('polarities', ctypes.c_uint32), - ('pixelclock', ctypes.c_uint64), - ('hfrontporch', ctypes.c_uint32), - ('hsync', ctypes.c_uint32), - ('hbackporch', ctypes.c_uint32), - ('vfrontporch', ctypes.c_uint32), - ('vsync', ctypes.c_uint32), - ('vbackporch', ctypes.c_uint32), - ('il_vfrontporch', ctypes.c_uint32), - ('il_vsync', ctypes.c_uint32), - ('il_vbackporch', ctypes.c_uint32), - ('reserved', ctypes.c_uint32 * 16), - ] - - _pack_ = True - -# Interlaced or progressive format -V4L2_DV_PROGRESSIVE = 0 -V4L2_DV_INTERLACED = 1 - -# Polarities. If bit is not set, it is assumed to be negative polarity -V4L2_DV_VSYNC_POS_POL = 0x00000001 -V4L2_DV_HSYNC_POS_POL = 0x00000002 - - -class v4l2_dv_timings(ctypes.Structure): - class _u(ctypes.Union): - _fields_ = [ - ('bt', v4l2_bt_timings), - ('reserved', ctypes.c_uint32 * 32), - ] - - _fields_ = [ - ('type', ctypes.c_uint32), - ('_u', _u), - ] - - _anonymous_ = ('_u',) - _pack_ = True - - -# Values for the type field -V4L2_DV_BT_656_1120 = 0 - - -# -# Video inputs -# - -class v4l2_input(ctypes.Structure): - _fields_ = [ - ('index', ctypes.c_uint32), - ('name', ctypes.c_char * 32), - ('type', ctypes.c_uint32), - ('audioset', ctypes.c_uint32), - ('tuner', ctypes.c_uint32), - ('std', v4l2_std_id), - ('status', ctypes.c_uint32), - ('reserved', ctypes.c_uint32 * 4), - ] - - -V4L2_INPUT_TYPE_TUNER = 1 -V4L2_INPUT_TYPE_CAMERA = 2 - -V4L2_IN_ST_NO_POWER = 0x00000001 -V4L2_IN_ST_NO_SIGNAL = 0x00000002 -V4L2_IN_ST_NO_COLOR = 0x00000004 - -V4L2_IN_ST_HFLIP = 0x00000010 -V4L2_IN_ST_VFLIP = 0x00000020 - -V4L2_IN_ST_NO_H_LOCK = 0x00000100 -V4L2_IN_ST_COLOR_KILL = 0x00000200 - -V4L2_IN_ST_NO_SYNC = 0x00010000 -V4L2_IN_ST_NO_EQU = 0x00020000 -V4L2_IN_ST_NO_CARRIER = 0x00040000 - -V4L2_IN_ST_MACROVISION = 0x01000000 -V4L2_IN_ST_NO_ACCESS = 0x02000000 -V4L2_IN_ST_VTR = 0x04000000 - -V4L2_IN_CAP_PRESETS = 0x00000001 -V4L2_IN_CAP_CUSTOM_TIMINGS = 0x00000002 -V4L2_IN_CAP_STD = 0x00000004 - -# -# Video outputs -# - -class v4l2_output(ctypes.Structure): - _fields_ = [ - ('index', ctypes.c_uint32), - ('name', ctypes.c_char * 32), - ('type', ctypes.c_uint32), - ('audioset', ctypes.c_uint32), - ('modulator', ctypes.c_uint32), - ('std', v4l2_std_id), - ('reserved', ctypes.c_uint32 * 4), - ] - - -V4L2_OUTPUT_TYPE_MODULATOR = 1 -V4L2_OUTPUT_TYPE_ANALOG = 2 -V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY = 3 - -V4L2_OUT_CAP_PRESETS = 0x00000001 -V4L2_OUT_CAP_CUSTOM_TIMINGS = 0x00000002 -V4L2_OUT_CAP_STD = 0x00000004 - -# -# Controls -# - -class v4l2_control(ctypes.Structure): - _fields_ = [ - ('id', ctypes.c_uint32), - ('value', ctypes.c_int32), - ] - - -class v4l2_ext_control(ctypes.Structure): - class _u(ctypes.Union): - _fields_ = [ - ('value', ctypes.c_int32), - ('value64', ctypes.c_int64), - ('reserved', ctypes.c_void_p), - ] - - _fields_ = [ - ('id', ctypes.c_uint32), - ('reserved2', ctypes.c_uint32 * 2), - ('_u', _u) - ] - - _anonymous_ = ('_u',) - _pack_ = True - - -class v4l2_ext_controls(ctypes.Structure): - _fields_ = [ - ('ctrl_class', ctypes.c_uint32), - ('count', ctypes.c_uint32), - ('error_idx', ctypes.c_uint32), - ('reserved', ctypes.c_uint32 * 2), - ('controls', ctypes.POINTER(v4l2_ext_control)), - ] - - -V4L2_CTRL_CLASS_USER = 0x00980000 -V4L2_CTRL_CLASS_MPEG = 0x00990000 -V4L2_CTRL_CLASS_CAMERA = 0x009a0000 -V4L2_CTRL_CLASS_FM_TX = 0x009b0000 - - -def V4L2_CTRL_ID_MASK(): - return 0x0fffffff - - -def V4L2_CTRL_ID2CLASS(id_): - return id_ & 0x0fff0000 # unsigned long - - -def V4L2_CTRL_DRIVER_PRIV(id_): - return (id_ & 0xffff) >= 0x1000 - - -class v4l2_queryctrl(ctypes.Structure): - _fields_ = [ - ('id', ctypes.c_uint32), - ('type', v4l2_ctrl_type), - ('name', ctypes.c_char * 32), - ('minimum', ctypes.c_int32), - ('maximum', ctypes.c_int32), - ('step', ctypes.c_int32), - ('default', ctypes.c_int32), - ('flags', ctypes.c_uint32), - ('reserved', ctypes.c_uint32 * 2), - ] - - -class v4l2_querymenu(ctypes.Structure): - _fields_ = [ - ('id', ctypes.c_uint32), - ('index', ctypes.c_uint32), - ('name', ctypes.c_char * 32), - ('reserved', ctypes.c_uint32), - ] - - -V4L2_CTRL_FLAG_DISABLED = 0x0001 -V4L2_CTRL_FLAG_GRABBED = 0x0002 -V4L2_CTRL_FLAG_READ_ONLY = 0x0004 -V4L2_CTRL_FLAG_UPDATE = 0x0008 -V4L2_CTRL_FLAG_INACTIVE = 0x0010 -V4L2_CTRL_FLAG_SLIDER = 0x0020 -V4L2_CTRL_FLAG_WRITE_ONLY = 0x0040 - -V4L2_CTRL_FLAG_NEXT_CTRL = 0x80000000 - -V4L2_CID_BASE = V4L2_CTRL_CLASS_USER | 0x900 -V4L2_CID_USER_BASE = V4L2_CID_BASE -V4L2_CID_PRIVATE_BASE = 0x08000000 - -V4L2_CID_USER_CLASS = V4L2_CTRL_CLASS_USER | 1 -V4L2_CID_BRIGHTNESS = V4L2_CID_BASE + 0 -V4L2_CID_CONTRAST = V4L2_CID_BASE + 1 -V4L2_CID_SATURATION = V4L2_CID_BASE + 2 -V4L2_CID_HUE = V4L2_CID_BASE + 3 -V4L2_CID_AUDIO_VOLUME = V4L2_CID_BASE + 5 -V4L2_CID_AUDIO_BALANCE = V4L2_CID_BASE + 6 -V4L2_CID_AUDIO_BASS = V4L2_CID_BASE + 7 -V4L2_CID_AUDIO_TREBLE = V4L2_CID_BASE + 8 -V4L2_CID_AUDIO_MUTE = V4L2_CID_BASE + 9 -V4L2_CID_AUDIO_LOUDNESS = V4L2_CID_BASE + 10 -V4L2_CID_BLACK_LEVEL = V4L2_CID_BASE + 11 # Deprecated -V4L2_CID_AUTO_WHITE_BALANCE = V4L2_CID_BASE + 12 -V4L2_CID_DO_WHITE_BALANCE = V4L2_CID_BASE + 13 -V4L2_CID_RED_BALANCE = V4L2_CID_BASE + 14 -V4L2_CID_BLUE_BALANCE = V4L2_CID_BASE + 15 -V4L2_CID_GAMMA = V4L2_CID_BASE + 16 -V4L2_CID_WHITENESS = V4L2_CID_GAMMA # Deprecated -V4L2_CID_EXPOSURE = V4L2_CID_BASE + 17 -V4L2_CID_AUTOGAIN = V4L2_CID_BASE + 18 -V4L2_CID_GAIN = V4L2_CID_BASE + 19 -V4L2_CID_HFLIP = V4L2_CID_BASE + 20 -V4L2_CID_VFLIP = V4L2_CID_BASE + 21 - -# Deprecated; use V4L2_CID_PAN_RESET and V4L2_CID_TILT_RESET -V4L2_CID_HCENTER = V4L2_CID_BASE + 22 -V4L2_CID_VCENTER = V4L2_CID_BASE + 23 - -V4L2_CID_POWER_LINE_FREQUENCY = V4L2_CID_BASE + 24 - -v4l2_power_line_frequency = enum -( - V4L2_CID_POWER_LINE_FREQUENCY_DISABLED, - V4L2_CID_POWER_LINE_FREQUENCY_50HZ, - V4L2_CID_POWER_LINE_FREQUENCY_60HZ, -) = range(3) - -V4L2_CID_HUE_AUTO = V4L2_CID_BASE + 25 -V4L2_CID_WHITE_BALANCE_TEMPERATURE = V4L2_CID_BASE + 26 -V4L2_CID_SHARPNESS = V4L2_CID_BASE + 27 -V4L2_CID_BACKLIGHT_COMPENSATION = V4L2_CID_BASE + 28 -V4L2_CID_CHROMA_AGC = V4L2_CID_BASE + 29 -V4L2_CID_COLOR_KILLER = V4L2_CID_BASE + 30 -V4L2_CID_COLORFX = V4L2_CID_BASE + 31 - -v4l2_colorfx = enum -( - V4L2_COLORFX_NONE, - V4L2_COLORFX_BW, - V4L2_COLORFX_SEPIA, -) = range(3) - -V4L2_CID_AUTOBRIGHTNESS = V4L2_CID_BASE + 32 -V4L2_CID_BAND_STOP_FILTER = V4L2_CID_BASE + 33 - -V4L2_CID_ROTATE = V4L2_CID_BASE + 34 -V4L2_CID_BG_COLOR = V4L2_CID_BASE + 35 -V4L2_CID_LASTP1 = V4L2_CID_BASE + 36 - -V4L2_CID_MPEG_BASE = V4L2_CTRL_CLASS_MPEG | 0x900 -V4L2_CID_MPEG_CLASS = V4L2_CTRL_CLASS_MPEG | 1 - -# MPEG streams -V4L2_CID_MPEG_STREAM_TYPE = V4L2_CID_MPEG_BASE + 0 - -v4l2_mpeg_stream_type = enum -( - V4L2_MPEG_STREAM_TYPE_MPEG2_PS, - V4L2_MPEG_STREAM_TYPE_MPEG2_TS, - V4L2_MPEG_STREAM_TYPE_MPEG1_SS, - V4L2_MPEG_STREAM_TYPE_MPEG2_DVD, - V4L2_MPEG_STREAM_TYPE_MPEG1_VCD, - V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD, -) = range(6) - -V4L2_CID_MPEG_STREAM_PID_PMT = V4L2_CID_MPEG_BASE + 1 -V4L2_CID_MPEG_STREAM_PID_AUDIO = V4L2_CID_MPEG_BASE + 2 -V4L2_CID_MPEG_STREAM_PID_VIDEO = V4L2_CID_MPEG_BASE + 3 -V4L2_CID_MPEG_STREAM_PID_PCR = V4L2_CID_MPEG_BASE + 4 -V4L2_CID_MPEG_STREAM_PES_ID_AUDIO = V4L2_CID_MPEG_BASE + 5 -V4L2_CID_MPEG_STREAM_PES_ID_VIDEO = V4L2_CID_MPEG_BASE + 6 -V4L2_CID_MPEG_STREAM_VBI_FMT = V4L2_CID_MPEG_BASE + 7 - -v4l2_mpeg_stream_vbi_fmt = enum -( - V4L2_MPEG_STREAM_VBI_FMT_NONE, - V4L2_MPEG_STREAM_VBI_FMT_IVTV, -) = range(2) - -V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ = V4L2_CID_MPEG_BASE + 100 - -v4l2_mpeg_audio_sampling_freq = enum -( - V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100, - V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000, - V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000, -) = range(3) - -V4L2_CID_MPEG_AUDIO_ENCODING = V4L2_CID_MPEG_BASE + 101 - -v4l2_mpeg_audio_encoding = enum -( - V4L2_MPEG_AUDIO_ENCODING_LAYER_1, - V4L2_MPEG_AUDIO_ENCODING_LAYER_2, - V4L2_MPEG_AUDIO_ENCODING_LAYER_3, - V4L2_MPEG_AUDIO_ENCODING_AAC, - V4L2_MPEG_AUDIO_ENCODING_AC3, -) = range(5) - -V4L2_CID_MPEG_AUDIO_L1_BITRATE = V4L2_CID_MPEG_BASE + 102 - -v4l2_mpeg_audio_l1_bitrate = enum -( - V4L2_MPEG_AUDIO_L1_BITRATE_32K, - V4L2_MPEG_AUDIO_L1_BITRATE_64K, - V4L2_MPEG_AUDIO_L1_BITRATE_96K, - V4L2_MPEG_AUDIO_L1_BITRATE_128K, - V4L2_MPEG_AUDIO_L1_BITRATE_160K, - V4L2_MPEG_AUDIO_L1_BITRATE_192K, - V4L2_MPEG_AUDIO_L1_BITRATE_224K, - V4L2_MPEG_AUDIO_L1_BITRATE_256K, - V4L2_MPEG_AUDIO_L1_BITRATE_288K, - V4L2_MPEG_AUDIO_L1_BITRATE_320K, - V4L2_MPEG_AUDIO_L1_BITRATE_352K, - V4L2_MPEG_AUDIO_L1_BITRATE_384K, - V4L2_MPEG_AUDIO_L1_BITRATE_416K, - V4L2_MPEG_AUDIO_L1_BITRATE_448K, -) = range(14) - -V4L2_CID_MPEG_AUDIO_L2_BITRATE = V4L2_CID_MPEG_BASE + 103 - -v4l2_mpeg_audio_l2_bitrate = enum -( - V4L2_MPEG_AUDIO_L2_BITRATE_32K, - V4L2_MPEG_AUDIO_L2_BITRATE_48K, - V4L2_MPEG_AUDIO_L2_BITRATE_56K, - V4L2_MPEG_AUDIO_L2_BITRATE_64K, - V4L2_MPEG_AUDIO_L2_BITRATE_80K, - V4L2_MPEG_AUDIO_L2_BITRATE_96K, - V4L2_MPEG_AUDIO_L2_BITRATE_112K, - V4L2_MPEG_AUDIO_L2_BITRATE_128K, - V4L2_MPEG_AUDIO_L2_BITRATE_160K, - V4L2_MPEG_AUDIO_L2_BITRATE_192K, - V4L2_MPEG_AUDIO_L2_BITRATE_224K, - V4L2_MPEG_AUDIO_L2_BITRATE_256K, - V4L2_MPEG_AUDIO_L2_BITRATE_320K, - V4L2_MPEG_AUDIO_L2_BITRATE_384K, -) = range(14) - -V4L2_CID_MPEG_AUDIO_L3_BITRATE = V4L2_CID_MPEG_BASE + 104 - -v4l2_mpeg_audio_l3_bitrate = enum -( - V4L2_MPEG_AUDIO_L3_BITRATE_32K, - V4L2_MPEG_AUDIO_L3_BITRATE_40K, - V4L2_MPEG_AUDIO_L3_BITRATE_48K, - V4L2_MPEG_AUDIO_L3_BITRATE_56K, - V4L2_MPEG_AUDIO_L3_BITRATE_64K, - V4L2_MPEG_AUDIO_L3_BITRATE_80K, - V4L2_MPEG_AUDIO_L3_BITRATE_96K, - V4L2_MPEG_AUDIO_L3_BITRATE_112K, - V4L2_MPEG_AUDIO_L3_BITRATE_128K, - V4L2_MPEG_AUDIO_L3_BITRATE_160K, - V4L2_MPEG_AUDIO_L3_BITRATE_192K, - V4L2_MPEG_AUDIO_L3_BITRATE_224K, - V4L2_MPEG_AUDIO_L3_BITRATE_256K, - V4L2_MPEG_AUDIO_L3_BITRATE_320K, -) = range(14) - -V4L2_CID_MPEG_AUDIO_MODE = V4L2_CID_MPEG_BASE + 105 - -v4l2_mpeg_audio_mode = enum -( - V4L2_MPEG_AUDIO_MODE_STEREO, - V4L2_MPEG_AUDIO_MODE_JOINT_STEREO, - V4L2_MPEG_AUDIO_MODE_DUAL, - V4L2_MPEG_AUDIO_MODE_MONO, -) = range(4) - -V4L2_CID_MPEG_AUDIO_MODE_EXTENSION = V4L2_CID_MPEG_BASE + 106 - -v4l2_mpeg_audio_mode_extension = enum -( - V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4, - V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_8, - V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_12, - V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16, -) = range(4) - -V4L2_CID_MPEG_AUDIO_EMPHASIS = V4L2_CID_MPEG_BASE + 107 - -v4l2_mpeg_audio_emphasis = enum -( - V4L2_MPEG_AUDIO_EMPHASIS_NONE, - V4L2_MPEG_AUDIO_EMPHASIS_50_DIV_15_uS, - V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17, -) = range(3) - -V4L2_CID_MPEG_AUDIO_CRC = V4L2_CID_MPEG_BASE + 108 - -v4l2_mpeg_audio_crc = enum -( - V4L2_MPEG_AUDIO_CRC_NONE, - V4L2_MPEG_AUDIO_CRC_CRC16, -) = range(2) - -V4L2_CID_MPEG_AUDIO_MUTE = V4L2_CID_MPEG_BASE + 109 -V4L2_CID_MPEG_AUDIO_AAC_BITRATE = V4L2_CID_MPEG_BASE + 110 -V4L2_CID_MPEG_AUDIO_AC3_BITRATE = V4L2_CID_MPEG_BASE + 111 - -v4l2_mpeg_audio_ac3_bitrate = enum -( - V4L2_MPEG_AUDIO_AC3_BITRATE_32K, - V4L2_MPEG_AUDIO_AC3_BITRATE_40K, - V4L2_MPEG_AUDIO_AC3_BITRATE_48K, - V4L2_MPEG_AUDIO_AC3_BITRATE_56K, - V4L2_MPEG_AUDIO_AC3_BITRATE_64K, - V4L2_MPEG_AUDIO_AC3_BITRATE_80K, - V4L2_MPEG_AUDIO_AC3_BITRATE_96K, - V4L2_MPEG_AUDIO_AC3_BITRATE_112K, - V4L2_MPEG_AUDIO_AC3_BITRATE_128K, - V4L2_MPEG_AUDIO_AC3_BITRATE_160K, - V4L2_MPEG_AUDIO_AC3_BITRATE_192K, - V4L2_MPEG_AUDIO_AC3_BITRATE_224K, - V4L2_MPEG_AUDIO_AC3_BITRATE_256K, - V4L2_MPEG_AUDIO_AC3_BITRATE_320K, - V4L2_MPEG_AUDIO_AC3_BITRATE_384K, - V4L2_MPEG_AUDIO_AC3_BITRATE_448K, - V4L2_MPEG_AUDIO_AC3_BITRATE_512K, - V4L2_MPEG_AUDIO_AC3_BITRATE_576K, - V4L2_MPEG_AUDIO_AC3_BITRATE_640K, -) = range(19) - -V4L2_CID_MPEG_VIDEO_ENCODING = V4L2_CID_MPEG_BASE + 200 - -v4l2_mpeg_video_encoding = enum -( - V4L2_MPEG_VIDEO_ENCODING_MPEG_1, - V4L2_MPEG_VIDEO_ENCODING_MPEG_2, - V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC, -) = range(3) - -V4L2_CID_MPEG_VIDEO_ASPECT = V4L2_CID_MPEG_BASE + 201 - -v4l2_mpeg_video_aspect = enum -( - V4L2_MPEG_VIDEO_ASPECT_1x1, - V4L2_MPEG_VIDEO_ASPECT_4x3, - V4L2_MPEG_VIDEO_ASPECT_16x9, - V4L2_MPEG_VIDEO_ASPECT_221x100, -) = range(4) - -V4L2_CID_MPEG_VIDEO_B_FRAMES = V4L2_CID_MPEG_BASE + 202 -V4L2_CID_MPEG_VIDEO_GOP_SIZE = V4L2_CID_MPEG_BASE + 203 -V4L2_CID_MPEG_VIDEO_GOP_CLOSURE = V4L2_CID_MPEG_BASE + 204 -V4L2_CID_MPEG_VIDEO_PULLDOWN = V4L2_CID_MPEG_BASE + 205 -V4L2_CID_MPEG_VIDEO_BITRATE_MODE = V4L2_CID_MPEG_BASE + 206 - -v4l2_mpeg_video_bitrate_mode = enum -( - V4L2_MPEG_VIDEO_BITRATE_MODE_VBR, - V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, -) = range(2) - -V4L2_CID_MPEG_VIDEO_BITRATE = V4L2_CID_MPEG_BASE + 207 -V4L2_CID_MPEG_VIDEO_BITRATE_PEAK = V4L2_CID_MPEG_BASE + 208 -V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION = V4L2_CID_MPEG_BASE + 209 -V4L2_CID_MPEG_VIDEO_MUTE = V4L2_CID_MPEG_BASE + 210 -V4L2_CID_MPEG_VIDEO_MUTE_YUV = V4L2_CID_MPEG_BASE + 211 - -V4L2_CID_MPEG_CX2341X_BASE = V4L2_CTRL_CLASS_MPEG | 0x1000 -V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE = V4L2_CID_MPEG_CX2341X_BASE + 0 - -v4l2_mpeg_cx2341x_video_spatial_filter_mode = enum -( - V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL, - V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_AUTO, -) = range(2) - -V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER = V4L2_CID_MPEG_CX2341X_BASE + 1 -V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE = V4L2_CID_MPEG_CX2341X_BASE + 2 - -v4l2_mpeg_cx2341x_video_luma_spatial_filter_type = enum -( - V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_OFF, - V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_HOR, - V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_1D_VERT, - V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_HV_SEPARABLE, - V4L2_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE_2D_SYM_NON_SEPARABLE, -) = range(5) - -V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE = V4L2_CID_MPEG_CX2341X_BASE + 3 - -v4l2_mpeg_cx2341x_video_chroma_spatial_filter_type = enum -( - V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_OFF, - V4L2_MPEG_CX2341X_VIDEO_CHROMA_SPATIAL_FILTER_TYPE_1D_HOR, -) = range(2) - -V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE = V4L2_CID_MPEG_CX2341X_BASE + 4 - -v4l2_mpeg_cx2341x_video_temporal_filter_mode = enum -( - V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_MANUAL, - V4L2_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER_MODE_AUTO, -) = range(2) - -V4L2_CID_MPEG_CX2341X_VIDEO_TEMPORAL_FILTER = V4L2_CID_MPEG_CX2341X_BASE + 5 -V4L2_CID_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE = V4L2_CID_MPEG_CX2341X_BASE + 6 - -v4l2_mpeg_cx2341x_video_median_filter_type = enum -( - V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_OFF, - V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR, - V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_VERT, - V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_HOR_VERT, - V4L2_MPEG_CX2341X_VIDEO_MEDIAN_FILTER_TYPE_DIAG, -) = range(5) - -V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_BOTTOM = V4L2_CID_MPEG_CX2341X_BASE + 7 -V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP = V4L2_CID_MPEG_CX2341X_BASE + 8 -V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM = V4L2_CID_MPEG_CX2341X_BASE + 9 -V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP = V4L2_CID_MPEG_CX2341X_BASE + 10 -V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS = V4L2_CID_MPEG_CX2341X_BASE + 11 - -V4L2_CID_CAMERA_CLASS_BASE = V4L2_CTRL_CLASS_CAMERA | 0x900 -V4L2_CID_CAMERA_CLASS = V4L2_CTRL_CLASS_CAMERA | 1 - -V4L2_CID_EXPOSURE_AUTO = V4L2_CID_CAMERA_CLASS_BASE + 1 - -v4l2_exposure_auto_type = enum -( - V4L2_EXPOSURE_AUTO, - V4L2_EXPOSURE_MANUAL, - V4L2_EXPOSURE_SHUTTER_PRIORITY, - V4L2_EXPOSURE_APERTURE_PRIORITY, -) = range(4) - -V4L2_CID_EXPOSURE_ABSOLUTE = V4L2_CID_CAMERA_CLASS_BASE + 2 -V4L2_CID_EXPOSURE_AUTO_PRIORITY = V4L2_CID_CAMERA_CLASS_BASE + 3 - -V4L2_CID_PAN_RELATIVE = V4L2_CID_CAMERA_CLASS_BASE + 4 -V4L2_CID_TILT_RELATIVE = V4L2_CID_CAMERA_CLASS_BASE + 5 -V4L2_CID_PAN_RESET = V4L2_CID_CAMERA_CLASS_BASE + 6 -V4L2_CID_TILT_RESET = V4L2_CID_CAMERA_CLASS_BASE + 7 - -V4L2_CID_PAN_ABSOLUTE = V4L2_CID_CAMERA_CLASS_BASE + 8 -V4L2_CID_TILT_ABSOLUTE = V4L2_CID_CAMERA_CLASS_BASE + 9 - -V4L2_CID_FOCUS_ABSOLUTE = V4L2_CID_CAMERA_CLASS_BASE + 10 -V4L2_CID_FOCUS_RELATIVE = V4L2_CID_CAMERA_CLASS_BASE + 11 -V4L2_CID_FOCUS_AUTO = V4L2_CID_CAMERA_CLASS_BASE + 12 - -V4L2_CID_ZOOM_ABSOLUTE = V4L2_CID_CAMERA_CLASS_BASE + 13 -V4L2_CID_ZOOM_RELATIVE = V4L2_CID_CAMERA_CLASS_BASE + 14 -V4L2_CID_ZOOM_CONTINUOUS = V4L2_CID_CAMERA_CLASS_BASE + 15 - -V4L2_CID_PRIVACY = V4L2_CID_CAMERA_CLASS_BASE + 16 - -V4L2_CID_FM_TX_CLASS_BASE = V4L2_CTRL_CLASS_FM_TX | 0x900 -V4L2_CID_FM_TX_CLASS = V4L2_CTRL_CLASS_FM_TX | 1 - -V4L2_CID_RDS_TX_DEVIATION = V4L2_CID_FM_TX_CLASS_BASE + 1 -V4L2_CID_RDS_TX_PI = V4L2_CID_FM_TX_CLASS_BASE + 2 -V4L2_CID_RDS_TX_PTY = V4L2_CID_FM_TX_CLASS_BASE + 3 -V4L2_CID_RDS_TX_PS_NAME = V4L2_CID_FM_TX_CLASS_BASE + 5 -V4L2_CID_RDS_TX_RADIO_TEXT = V4L2_CID_FM_TX_CLASS_BASE + 6 - -V4L2_CID_AUDIO_LIMITER_ENABLED = V4L2_CID_FM_TX_CLASS_BASE + 64 -V4L2_CID_AUDIO_LIMITER_RELEASE_TIME = V4L2_CID_FM_TX_CLASS_BASE + 65 -V4L2_CID_AUDIO_LIMITER_DEVIATION = V4L2_CID_FM_TX_CLASS_BASE + 66 - -V4L2_CID_AUDIO_COMPRESSION_ENABLED = V4L2_CID_FM_TX_CLASS_BASE + 80 -V4L2_CID_AUDIO_COMPRESSION_GAIN = V4L2_CID_FM_TX_CLASS_BASE + 81 -V4L2_CID_AUDIO_COMPRESSION_THRESHOLD = V4L2_CID_FM_TX_CLASS_BASE + 82 -V4L2_CID_AUDIO_COMPRESSION_ATTACK_TIME = V4L2_CID_FM_TX_CLASS_BASE + 83 -V4L2_CID_AUDIO_COMPRESSION_RELEASE_TIME = V4L2_CID_FM_TX_CLASS_BASE + 84 - -V4L2_CID_PILOT_TONE_ENABLED = V4L2_CID_FM_TX_CLASS_BASE + 96 -V4L2_CID_PILOT_TONE_DEVIATION = V4L2_CID_FM_TX_CLASS_BASE + 97 -V4L2_CID_PILOT_TONE_FREQUENCY = V4L2_CID_FM_TX_CLASS_BASE + 98 - -V4L2_CID_TUNE_PREEMPHASIS = V4L2_CID_FM_TX_CLASS_BASE + 112 - -v4l2_preemphasis = enum -( - V4L2_PREEMPHASIS_DISABLED, - V4L2_PREEMPHASIS_50_uS, - V4L2_PREEMPHASIS_75_uS, -) = range(3) - -V4L2_CID_TUNE_POWER_LEVEL = V4L2_CID_FM_TX_CLASS_BASE + 113 -V4L2_CID_TUNE_ANTENNA_CAPACITOR = V4L2_CID_FM_TX_CLASS_BASE + 114 - - -# -# Tuning -# - -class v4l2_tuner(ctypes.Structure): - _fields_ = [ - ('index', ctypes.c_uint32), - ('name', ctypes.c_char * 32), - ('type', v4l2_tuner_type), - ('capability', ctypes.c_uint32), - ('rangelow', ctypes.c_uint32), - ('rangehigh', ctypes.c_uint32), - ('rxsubchans', ctypes.c_uint32), - ('audmode', ctypes.c_uint32), - ('signal', ctypes.c_int32), - ('afc', ctypes.c_int32), - ('reserved', ctypes.c_uint32 * 4), - ] - - -class v4l2_modulator(ctypes.Structure): - _fields_ = [ - ('index', ctypes.c_uint32), - ('name', ctypes.c_char * 32), - ('capability', ctypes.c_uint32), - ('rangelow', ctypes.c_uint32), - ('rangehigh', ctypes.c_uint32), - ('txsubchans', ctypes.c_uint32), - ('reserved', ctypes.c_uint32 * 4), - ] - - -V4L2_TUNER_CAP_LOW = 0x0001 -V4L2_TUNER_CAP_NORM = 0x0002 -V4L2_TUNER_CAP_STEREO = 0x0010 -V4L2_TUNER_CAP_LANG2 = 0x0020 -V4L2_TUNER_CAP_SAP = 0x0020 -V4L2_TUNER_CAP_LANG1 = 0x0040 -V4L2_TUNER_CAP_RDS = 0x0080 - -V4L2_TUNER_SUB_MONO = 0x0001 -V4L2_TUNER_SUB_STEREO = 0x0002 -V4L2_TUNER_SUB_LANG2 = 0x0004 -V4L2_TUNER_SUB_SAP = 0x0004 -V4L2_TUNER_SUB_LANG1 = 0x0008 -V4L2_TUNER_SUB_RDS = 0x0010 - -V4L2_TUNER_MODE_MONO = 0x0000 -V4L2_TUNER_MODE_STEREO = 0x0001 -V4L2_TUNER_MODE_LANG2 = 0x0002 -V4L2_TUNER_MODE_SAP = 0x0002 -V4L2_TUNER_MODE_LANG1 = 0x0003 -V4L2_TUNER_MODE_LANG1_LANG2 = 0x0004 - - -class v4l2_frequency(ctypes.Structure): - _fields_ = [ - ('tuner', ctypes.c_uint32), - ('type', v4l2_tuner_type), - ('frequency', ctypes.c_uint32), - ('reserved', ctypes.c_uint32 * 8), - ] - - -class v4l2_hw_freq_seek(ctypes.Structure): - _fields_ = [ - ('tuner', ctypes.c_uint32), - ('type', v4l2_tuner_type), - ('seek_upward', ctypes.c_uint32), - ('wrap_around', ctypes.c_uint32), - ('reserved', ctypes.c_uint32 * 8), - ] - - -# -# RDS -# - -class v4l2_rds_data(ctypes.Structure): - _fields_ = [ - ('lsb', ctypes.c_char), - ('msb', ctypes.c_char), - ('block', ctypes.c_char), - ] - - _pack_ = True - - -V4L2_RDS_BLOCK_MSK = 0x7 -V4L2_RDS_BLOCK_A = 0 -V4L2_RDS_BLOCK_B = 1 -V4L2_RDS_BLOCK_C = 2 -V4L2_RDS_BLOCK_D = 3 -V4L2_RDS_BLOCK_C_ALT = 4 -V4L2_RDS_BLOCK_INVALID = 7 - -V4L2_RDS_BLOCK_CORRECTED = 0x40 -V4L2_RDS_BLOCK_ERROR = 0x80 - - -# -# Audio -# - -class v4l2_audio(ctypes.Structure): - _fields_ = [ - ('index', ctypes.c_uint32), - ('name', ctypes.c_char * 32), - ('capability', ctypes.c_uint32), - ('mode', ctypes.c_uint32), - ('reserved', ctypes.c_uint32 * 2), - ] - - -V4L2_AUDCAP_STEREO = 0x00001 -V4L2_AUDCAP_AVL = 0x00002 - -V4L2_AUDMODE_AVL = 0x00001 - - -class v4l2_audioout(ctypes.Structure): - _fields_ = [ - ('index', ctypes.c_uint32), - ('name', ctypes.c_char * 32), - ('capability', ctypes.c_uint32), - ('mode', ctypes.c_uint32), - ('reserved', ctypes.c_uint32 * 2), - ] - - -# -# Mpeg services (experimental) -# - -V4L2_ENC_IDX_FRAME_I = 0 -V4L2_ENC_IDX_FRAME_P = 1 -V4L2_ENC_IDX_FRAME_B = 2 -V4L2_ENC_IDX_FRAME_MASK = 0xf - - -class v4l2_enc_idx_entry(ctypes.Structure): - _fields_ = [ - ('offset', ctypes.c_uint64), - ('pts', ctypes.c_uint64), - ('length', ctypes.c_uint32), - ('flags', ctypes.c_uint32), - ('reserved', ctypes.c_uint32 * 2), - ] - - -V4L2_ENC_IDX_ENTRIES = 64 - - -class v4l2_enc_idx(ctypes.Structure): - _fields_ = [ - ('entries', ctypes.c_uint32), - ('entries_cap', ctypes.c_uint32), - ('reserved', ctypes.c_uint32 * 4), - ('entry', v4l2_enc_idx_entry * V4L2_ENC_IDX_ENTRIES), - ] - - -V4L2_ENC_CMD_START = 0 -V4L2_ENC_CMD_STOP = 1 -V4L2_ENC_CMD_PAUSE = 2 -V4L2_ENC_CMD_RESUME = 3 - -V4L2_ENC_CMD_STOP_AT_GOP_END = 1 << 0 - - -class v4l2_encoder_cmd(ctypes.Structure): - class _u(ctypes.Union): - class _s(ctypes.Structure): - _fields_ = [ - ('data', ctypes.c_uint32 * 8), - ] - - _fields_ = [ - ('raw', _s), - ] - - _fields_ = [ - ('cmd', ctypes.c_uint32), - ('flags', ctypes.c_uint32), - ('_u', _u), - ] - - _anonymous_ = ('_u',) - - -# -# Data services (VBI) -# - -class v4l2_vbi_format(ctypes.Structure): - _fields_ = [ - ('sampling_rate', ctypes.c_uint32), - ('offset', ctypes.c_uint32), - ('samples_per_line', ctypes.c_uint32), - ('sample_format', ctypes.c_uint32), - ('start', ctypes.c_int32 * 2), - ('count', ctypes.c_uint32 * 2), - ('flags', ctypes.c_uint32), - ('reserved', ctypes.c_uint32 * 2), - ] - - -V4L2_VBI_UNSYNC = 1 << 0 -V4L2_VBI_INTERLACED = 1 << 1 - - -class v4l2_sliced_vbi_format(ctypes.Structure): - _fields_ = [ - ('service_set', ctypes.c_uint16), - ('service_lines', ctypes.c_uint16 * 2 * 24), - ('io_size', ctypes.c_uint32), - ('reserved', ctypes.c_uint32 * 2), - ] - - -V4L2_SLICED_TELETEXT_B = 0x0001 -V4L2_SLICED_VPS = 0x0400 -V4L2_SLICED_CAPTION_525 = 0x1000 -V4L2_SLICED_WSS_625 = 0x4000 -V4L2_SLICED_VBI_525 = V4L2_SLICED_CAPTION_525 -V4L2_SLICED_VBI_625 = ( - V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625) - - -class v4l2_sliced_vbi_cap(ctypes.Structure): - _fields_ = [ - ('service_set', ctypes.c_uint16), - ('service_lines', ctypes.c_uint16 * 2 * 24), - ('type', v4l2_buf_type), - ('reserved', ctypes.c_uint32 * 3), - ] - - -class v4l2_sliced_vbi_data(ctypes.Structure): - _fields_ = [ - ('id', ctypes.c_uint32), - ('field', ctypes.c_uint32), - ('line', ctypes.c_uint32), - ('reserved', ctypes.c_uint32), - ('data', ctypes.c_char * 48), - ] - - -# -# Sliced VBI data inserted into MPEG Streams -# - - -V4L2_MPEG_VBI_IVTV_TELETEXT_B = 1 -V4L2_MPEG_VBI_IVTV_CAPTION_525 = 4 -V4L2_MPEG_VBI_IVTV_WSS_625 = 5 -V4L2_MPEG_VBI_IVTV_VPS = 7 - - -class v4l2_mpeg_vbi_itv0_line(ctypes.Structure): - _fields_ = [ - ('id', ctypes.c_char), - ('data', ctypes.c_char * 42), - ] - - _pack_ = True - - -class v4l2_mpeg_vbi_itv0(ctypes.Structure): - _fields_ = [ - ('linemask', ctypes.c_uint32 * 2), # how to define __le32 in ctypes? - ('line', v4l2_mpeg_vbi_itv0_line * 35), - ] - - _pack_ = True - - -class v4l2_mpeg_vbi_ITV0(ctypes.Structure): - _fields_ = [ - ('line', v4l2_mpeg_vbi_itv0_line * 36), - ] - - _pack_ = True - - -V4L2_MPEG_VBI_IVTV_MAGIC0 = "itv0" -V4L2_MPEG_VBI_IVTV_MAGIC1 = "ITV0" - - -class v4l2_mpeg_vbi_fmt_ivtv(ctypes.Structure): - class _u(ctypes.Union): - _fields_ = [ - ('itv0', v4l2_mpeg_vbi_itv0), - ('ITV0', v4l2_mpeg_vbi_ITV0), - ] - - _fields_ = [ - ('magic', ctypes.c_char * 4), - ('_u', _u) - ] - - _anonymous_ = ('_u',) - _pack_ = True - - -# -# Aggregate structures -# - -class v4l2_format(ctypes.Structure): - class _u(ctypes.Union): - _fields_ = [ - ('pix', v4l2_pix_format), - ('win', v4l2_window), - ('vbi', v4l2_vbi_format), - ('sliced', v4l2_sliced_vbi_format), - ('raw_data', ctypes.c_char * 200), - ] - - _fields_ = [ - ('type', v4l2_buf_type), - ('fmt', _u), - ] - - -class v4l2_streamparm(ctypes.Structure): - class _u(ctypes.Union): - _fields_ = [ - ('capture', v4l2_captureparm), - ('output', v4l2_outputparm), - ('raw_data', ctypes.c_char * 200), - ] - - _fields_ = [ - ('type', v4l2_buf_type), - ('parm', _u) - ] - - -# -# Advanced debugging -# - -V4L2_CHIP_MATCH_HOST = 0 -V4L2_CHIP_MATCH_I2C_DRIVER = 1 -V4L2_CHIP_MATCH_I2C_ADDR = 2 -V4L2_CHIP_MATCH_AC97 = 3 - - -class v4l2_dbg_match(ctypes.Structure): - class _u(ctypes.Union): - _fields_ = [ - ('addr', ctypes.c_uint32), - ('name', ctypes.c_char * 32), - ] - - _fields_ = [ - ('type', ctypes.c_uint32), - ('_u', _u), - ] - - _anonymous_ = ('_u',) - _pack_ = True - - -class v4l2_dbg_register(ctypes.Structure): - _fields_ = [ - ('match', v4l2_dbg_match), - ('size', ctypes.c_uint32), - ('reg', ctypes.c_uint64), - ('val', ctypes.c_uint64), - ] - - _pack_ = True - - -class v4l2_dbg_chip_ident(ctypes.Structure): - _fields_ = [ - ('match', v4l2_dbg_match), - ('ident', ctypes.c_uint32), - ('revision', ctypes.c_uint32), - ] - - _pack_ = True - - -# -# ioctl codes for video devices -# - -VIDIOC_QUERYCAP = _IOR('V', 0, v4l2_capability) -VIDIOC_RESERVED = _IO('V', 1) -VIDIOC_ENUM_FMT = _IOWR('V', 2, v4l2_fmtdesc) -VIDIOC_G_FMT = _IOWR('V', 4, v4l2_format) -VIDIOC_S_FMT = _IOWR('V', 5, v4l2_format) -VIDIOC_REQBUFS = _IOWR('V', 8, v4l2_requestbuffers) -VIDIOC_QUERYBUF = _IOWR('V', 9, v4l2_buffer) -VIDIOC_G_FBUF = _IOR('V', 10, v4l2_framebuffer) -VIDIOC_S_FBUF = _IOW('V', 11, v4l2_framebuffer) -VIDIOC_OVERLAY = _IOW('V', 14, ctypes.c_int) -VIDIOC_QBUF = _IOWR('V', 15, v4l2_buffer) -VIDIOC_DQBUF = _IOWR('V', 17, v4l2_buffer) -VIDIOC_STREAMON = _IOW('V', 18, ctypes.c_int) -VIDIOC_STREAMOFF = _IOW('V', 19, ctypes.c_int) -VIDIOC_G_PARM = _IOWR('V', 21, v4l2_streamparm) -VIDIOC_S_PARM = _IOWR('V', 22, v4l2_streamparm) -VIDIOC_G_STD = _IOR('V', 23, v4l2_std_id) -VIDIOC_S_STD = _IOW('V', 24, v4l2_std_id) -VIDIOC_ENUMSTD = _IOWR('V', 25, v4l2_standard) -VIDIOC_ENUMINPUT = _IOWR('V', 26, v4l2_input) -VIDIOC_G_CTRL = _IOWR('V', 27, v4l2_control) -VIDIOC_S_CTRL = _IOWR('V', 28, v4l2_control) -VIDIOC_G_TUNER = _IOWR('V', 29, v4l2_tuner) -VIDIOC_S_TUNER = _IOW('V', 30, v4l2_tuner) -VIDIOC_G_AUDIO = _IOR('V', 33, v4l2_audio) -VIDIOC_S_AUDIO = _IOW('V', 34, v4l2_audio) -VIDIOC_QUERYCTRL = _IOWR('V', 36, v4l2_queryctrl) -VIDIOC_QUERYMENU = _IOWR('V', 37, v4l2_querymenu) -VIDIOC_G_INPUT = _IOR('V', 38, ctypes.c_int) -VIDIOC_S_INPUT = _IOWR('V', 39, ctypes.c_int) -VIDIOC_G_OUTPUT = _IOR('V', 46, ctypes.c_int) -VIDIOC_S_OUTPUT = _IOWR('V', 47, ctypes.c_int) -VIDIOC_ENUMOUTPUT = _IOWR('V', 48, v4l2_output) -VIDIOC_G_AUDOUT = _IOR('V', 49, v4l2_audioout) -VIDIOC_S_AUDOUT = _IOW('V', 50, v4l2_audioout) -VIDIOC_G_MODULATOR = _IOWR('V', 54, v4l2_modulator) -VIDIOC_S_MODULATOR = _IOW('V', 55, v4l2_modulator) -VIDIOC_G_FREQUENCY = _IOWR('V', 56, v4l2_frequency) -VIDIOC_S_FREQUENCY = _IOW('V', 57, v4l2_frequency) -VIDIOC_CROPCAP = _IOWR('V', 58, v4l2_cropcap) -VIDIOC_G_CROP = _IOWR('V', 59, v4l2_crop) -VIDIOC_S_CROP = _IOW('V', 60, v4l2_crop) -VIDIOC_G_JPEGCOMP = _IOR('V', 61, v4l2_jpegcompression) -VIDIOC_S_JPEGCOMP = _IOW('V', 62, v4l2_jpegcompression) -VIDIOC_QUERYSTD = _IOR('V', 63, v4l2_std_id) -VIDIOC_TRY_FMT = _IOWR('V', 64, v4l2_format) -VIDIOC_ENUMAUDIO = _IOWR('V', 65, v4l2_audio) -VIDIOC_ENUMAUDOUT = _IOWR('V', 66, v4l2_audioout) -VIDIOC_G_PRIORITY = _IOR('V', 67, v4l2_priority) -VIDIOC_S_PRIORITY = _IOW('V', 68, v4l2_priority) -VIDIOC_G_SLICED_VBI_CAP = _IOWR('V', 69, v4l2_sliced_vbi_cap) -VIDIOC_LOG_STATUS = _IO('V', 70) -VIDIOC_G_EXT_CTRLS = _IOWR('V', 71, v4l2_ext_controls) -VIDIOC_S_EXT_CTRLS = _IOWR('V', 72, v4l2_ext_controls) -VIDIOC_TRY_EXT_CTRLS = _IOWR('V', 73, v4l2_ext_controls) - -VIDIOC_ENUM_FRAMESIZES = _IOWR('V', 74, v4l2_frmsizeenum) -VIDIOC_ENUM_FRAMEINTERVALS = _IOWR('V', 75, v4l2_frmivalenum) -VIDIOC_G_ENC_INDEX = _IOR('V', 76, v4l2_enc_idx) -VIDIOC_ENCODER_CMD = _IOWR('V', 77, v4l2_encoder_cmd) -VIDIOC_TRY_ENCODER_CMD = _IOWR('V', 78, v4l2_encoder_cmd) - -VIDIOC_DBG_S_REGISTER = _IOW('V', 79, v4l2_dbg_register) -VIDIOC_DBG_G_REGISTER = _IOWR('V', 80, v4l2_dbg_register) - -VIDIOC_DBG_G_CHIP_IDENT = _IOWR('V', 81, v4l2_dbg_chip_ident) - -VIDIOC_S_HW_FREQ_SEEK = _IOW('V', 82, v4l2_hw_freq_seek) -VIDIOC_ENUM_DV_PRESETS = _IOWR('V', 83, v4l2_dv_enum_preset) -VIDIOC_S_DV_PRESET = _IOWR('V', 84, v4l2_dv_preset) -VIDIOC_G_DV_PRESET = _IOWR('V', 85, v4l2_dv_preset) -VIDIOC_QUERY_DV_PRESET = _IOR('V', 86, v4l2_dv_preset) -VIDIOC_S_DV_TIMINGS = _IOWR('V', 87, v4l2_dv_timings) -VIDIOC_G_DV_TIMINGS = _IOWR('V', 88, v4l2_dv_timings) - -VIDIOC_OVERLAY_OLD = _IOWR('V', 14, ctypes.c_int) -VIDIOC_S_PARM_OLD = _IOW('V', 22, v4l2_streamparm) -VIDIOC_S_CTRL_OLD = _IOW('V', 28, v4l2_control) -VIDIOC_G_AUDIO_OLD = _IOWR('V', 33, v4l2_audio) -VIDIOC_G_AUDOUT_OLD = _IOWR('V', 49, v4l2_audioout) -VIDIOC_CROPCAP_OLD = _IOR('V', 58, v4l2_cropcap) - -BASE_VIDIOC_PRIVATE = 192 |