# GNU MediaGoblin -- federated, autonomous media hosting
-# Copyright (C) 2011 MediaGoblin contributors. See AUTHORS.
+# Copyright (C) 2011, 2012 MediaGoblin contributors. See AUTHORS.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from __future__ import division
+
+import os
import sys
import logging
-import pdb
-
-_log = logging.getLogger(__name__)
-logging.basicConfig()
-_log.setLevel(logging.DEBUG)
-
-try:
- import gobject
- gobject.threads_init()
-except:
- _log.error('Could not import gobject')
- raise Exception()
+import multiprocessing
+from mediagoblin.media_types.tools import discover
-try:
- import pygst
- pygst.require('0.10')
- import gst
- from gst import pbutils
- from gst.extend import discoverer
-except:
- _log.error('pygst could not be imported')
- raise Exception()
-
-
-class VideoThumbnailer:
- '''
- Creates a video thumbnail
-
- - Sets up discoverer & transcoding pipeline.
- Discoverer finds out information about the media file
- - Launches gobject.MainLoop, this triggers the discoverer to start running
- - Once the discoverer is done, it calls the __discovered callback function
- - The __discovered callback function launches the transcoding process
- - The _on_message callback is called from the transcoding process until it gets a
- message of type gst.MESSAGE_EOS, then it calls __stop which shuts down the
- gobject.MainLoop
- '''
- def __init__(self, src, dst, **kwargs):
- _log.info('Initializing VideoThumbnailer...')
-
- self.loop = gobject.MainLoop()
- self.source_path = src
- self.destination_path = dst
-
- self.destination_dimensions = kwargs.get('dimensions') or (180, 180)
-
- if not type(self.destination_dimensions) == tuple:
- raise Exception('dimensions must be tuple: (width, height)')
+#os.environ['GST_DEBUG'] = '4,python:4'
- self._setup()
- self._run()
-
- def _setup(self):
- self._setup_pass()
- self._setup_discover()
-
- def _run(self):
- _log.info('Discovering...')
- self.discoverer.discover()
- _log.info('Done')
-
- _log.debug('Initializing MainLoop()')
- self.loop.run()
-
- def _setup_discover(self):
- self.discoverer = discoverer.Discoverer(self.source_path)
-
- # Connect self.__discovered to the 'discovered' event
- self.discoverer.connect('discovered', self.__discovered)
-
- def __discovered(self, data, is_media):
- '''
- Callback for media discoverer.
- '''
- if not is_media:
- self.__stop()
- raise Exception('Could not discover {0}'.format(self.source_path))
-
- _log.debug('__discovered, data: {0}'.format(data))
-
- self.data = data
-
- self._on_discovered()
-
- # Tell the transcoding pipeline to start running
- self.pipeline.set_state(gst.STATE_PLAYING)
- _log.info('Transcoding...')
-
- def _on_discovered(self):
- self.__setup_capsfilter()
-
- def _setup_pass(self):
- self.pipeline = gst.Pipeline('VideoThumbnailerPipeline')
-
- self.filesrc = gst.element_factory_make('filesrc', 'filesrc')
- self.filesrc.set_property('location', self.source_path)
- self.pipeline.add(self.filesrc)
-
- self.decoder = gst.element_factory_make('decodebin2', 'decoder')
-
- self.decoder.connect('new-decoded-pad', self._on_dynamic_pad)
- self.pipeline.add(self.decoder)
-
- self.ffmpegcolorspace = gst.element_factory_make('ffmpegcolorspace', 'ffmpegcolorspace')
- self.pipeline.add(self.ffmpegcolorspace)
-
- self.videoscale = gst.element_factory_make('videoscale', 'videoscale')
- self.videoscale.set_property('method', 'bilinear')
- self.pipeline.add(self.videoscale)
-
- self.capsfilter = gst.element_factory_make('capsfilter', 'capsfilter')
- self.pipeline.add(self.capsfilter)
-
- self.jpegenc = gst.element_factory_make('jpegenc', 'jpegenc')
- self.pipeline.add(self.jpegenc)
-
- self.filesink = gst.element_factory_make('filesink', 'filesink')
- self.filesink.set_property('location', self.destination_path)
- self.pipeline.add(self.filesink)
-
- # Link all the elements together
- self.filesrc.link(self.decoder)
- self.ffmpegcolorspace.link(self.videoscale)
- self.videoscale.link(self.capsfilter)
- self.capsfilter.link(self.jpegenc)
- self.jpegenc.link(self.filesink)
-
- self._setup_bus()
-
- def _setup_bus(self):
- self.bus = self.pipeline.get_bus()
- self.bus.add_signal_watch()
- self.bus.connect('message', self._on_message)
-
- def __setup_capsfilter(self):
- thumbsizes = self.calculate_resize() # Returns tuple with (width, height)
-
- self.capsfilter.set_property(
- 'caps',
- gst.caps_from_string('video/x-raw-rgb, width={width}, height={height}'.format(
- width=thumbsizes[0],
- height=thumbsizes[1]
- )))
-
- def calculate_resize(self):
- x_ratio = self.destination_dimensions[0] / self.data.videowidth
- y_ratio = self.destination_dimensions[1] / self.data.videoheight
-
- if self.data.videoheight > self.data.videowidth:
- # We're dealing with a portrait!
- dimensions = (
- int(self.data.videowidth * y_ratio),
- 180)
- else:
- dimensions = (
- 180,
- int(self.data.videoheight * x_ratio))
-
- return dimensions
-
- def _on_message(self, bus, message):
- _log.debug((bus, message))
+old_argv = sys.argv
+sys.argv = []
- t = message.type
+import gi
+gi.require_version('Gst', '1.0')
+from gi.repository import GObject, Gst, GstPbutils
+Gst.init(None)
- if t == gst.MESSAGE_EOS:
- self.__stop()
- _log.info('Done')
- elif t == gst.MESSAGE_ERROR:
- _log.error((bus, message))
- self.__stop()
-
- def _on_dynamic_pad(self, dbin, pad, islast):
- '''
- Callback called when ``decodebin2`` has a pad that we can connect to
- '''
- pad.link(
- self.ffmpegcolorspace.get_pad('sink'))
-
- def __stop(self):
- _log.debug(self.loop)
-
- self.pipeline.set_state(gst.STATE_NULL)
+sys.argv = old_argv
+import struct
+try:
+ from PIL import Image
+except ImportError:
+ import Image
- gobject.idle_add(self.loop.quit)
+_log = logging.getLogger(__name__)
+CPU_COUNT = 2
-class VideoTranscoder:
+try:
+ CPU_COUNT = multiprocessing.cpu_count()
+except NotImplementedError:
+ _log.warning('multiprocessing.cpu_count not implemented')
+
+os.putenv('GST_DEBUG_DUMP_DOT_DIR', '/tmp')
+
+
+def capture_thumb(video_path, dest_path, width=None, height=None, percent=0.5):
+ def pad_added(element, pad, connect_to):
+ '''This is a callback to dynamically add element to pipeline'''
+ caps = pad.query_caps(None)
+ name = caps.to_string()
+ _log.debug('on_pad_added: {0}'.format(name))
+ if name.startswith('video') and not connect_to.is_linked():
+ pad.link(connect_to)
+
+ # construct pipeline: uridecodebin ! videoconvert ! videoscale ! \
+ # ! CAPS ! appsink
+ pipeline = Gst.Pipeline()
+ uridecodebin = Gst.ElementFactory.make('uridecodebin', None)
+ uridecodebin.set_property('uri', 'file://{0}'.format(video_path))
+ videoconvert = Gst.ElementFactory.make('videoconvert', None)
+ uridecodebin.connect('pad-added', pad_added,
+ videoconvert.get_static_pad('sink'))
+ videoscale = Gst.ElementFactory.make('videoscale', None)
+
+ # create caps for video scaling
+ caps_struct = Gst.Structure.new_empty('video/x-raw')
+ caps_struct.set_value('pixel-aspect-ratio', Gst.Fraction(1, 1))
+ caps_struct.set_value('format', 'RGB')
+ if height:
+ caps_struct.set_value('height', height)
+ if width:
+ caps_struct.set_value('width', width)
+ caps = Gst.Caps.new_empty()
+ caps.append_structure(caps_struct)
+
+ # sink everything to memory
+ appsink = Gst.ElementFactory.make('appsink', None)
+ appsink.set_property('caps', caps)
+
+ # add everything to pipeline
+ elements = [uridecodebin, videoconvert, videoscale, appsink]
+ for e in elements:
+ pipeline.add(e)
+ videoconvert.link(videoscale)
+ videoscale.link(appsink)
+
+ # pipeline constructed, starting playing, but first some preparations
+ # seek to 50% of the file is required
+ pipeline.set_state(Gst.State.PAUSED)
+ # timeout of 3 seconds below was set experimentally
+ state = pipeline.get_state(Gst.SECOND * 3)
+ if state[0] != Gst.StateChangeReturn.SUCCESS:
+ _log.warning('state change failed, {0}'.format(state))
+ return
+
+ # get duration
+ (success, duration) = pipeline.query_duration(Gst.Format.TIME)
+ if not success:
+ _log.warning('query_duration failed')
+ return
+
+ seek_to = int(duration * int(percent * 100) / 100)
+ _log.debug('Seeking to {0} of {1}'.format(
+ float(seek_to) / Gst.SECOND, float(duration) / Gst.SECOND))
+ seek = pipeline.seek_simple(Gst.Format.TIME, Gst.SeekFlags.FLUSH, seek_to)
+ if not seek:
+ _log.warning('seek failed')
+ return
+
+ # get sample, retrieve it's format and save
+ sample = appsink.emit("pull-preroll")
+ if not sample:
+ _log.warning('could not get sample')
+ return
+ caps = sample.get_caps()
+ if not caps:
+ _log.warning('could not get snapshot format')
+ return
+ structure = caps.get_structure(0)
+ (success, width) = structure.get_int('width')
+ (success, height) = structure.get_int('height')
+ buffer = sample.get_buffer()
+
+ # get the image from the buffer and save it to disk
+ im = Image.frombytes('RGB', (width, height),
+ buffer.extract_dup(0, buffer.get_size()))
+ im.save(dest_path)
+ _log.info('thumbnail saved to {0}'.format(dest_path))
+
+ # cleanup
+ pipeline.set_state(Gst.State.NULL)
+
+
+class VideoTranscoder(object):
'''
Video transcoder
Transcodes the SRC video file to a VP8 WebM video file at DST
- TODO:
- - Audio pipeline
+ - Produces a WebM vp8 and vorbis video file.
'''
- def __init__(self, src, dst, **kwargs):
+ def __init__(self):
_log.info('Initializing VideoTranscoder...')
+ self.progress_percentage = None
+ self.loop = GObject.MainLoop()
- self.loop = gobject.MainLoop()
+ def transcode(self, src, dst, **kwargs):
+ '''
+ Transcode a video file into a 'medium'-sized version.
+ '''
self.source_path = src
self.destination_path = dst
- self.destination_dimensions = kwargs.get('dimensions') or (640, 640)
+ # vp8enc options
+ self.destination_dimensions = kwargs.get('dimensions', (640, 640))
+ self.vp8_quality = kwargs.get('vp8_quality', 8)
+ # Number of threads used by vp8enc:
+ # number of real cores - 1 as per recommendation on
+ # <http://www.webmproject.org/tools/encoder-parameters/#6-multi-threaded-encode-and-decode>
+ self.vp8_threads = kwargs.get('vp8_threads', CPU_COUNT - 1)
- if not type(self.destination_dimensions) == tuple:
- raise Exception('dimensions must be tuple: (width, height)')
+ # 0 means auto-detect, but dict.get() only falls back to CPU_COUNT
+ # if value is None, this will correct our incompatibility with
+ # dict.get()
+ # This will also correct cases where there's only 1 CPU core, see
+ # original self.vp8_threads assignment above.
+ if self.vp8_threads == 0:
+ self.vp8_threads = CPU_COUNT
- self._setup()
- self._run()
+ # vorbisenc options
+ self.vorbis_quality = kwargs.get('vorbis_quality', 0.3)
- def _setup(self):
- self._setup_pass()
- self._setup_discover()
+ self._progress_callback = kwargs.get('progress_callback') or None
- def _run(self):
- _log.info('Discovering...')
- self.discoverer.discover()
- _log.info('Done')
+ if not type(self.destination_dimensions) == tuple:
+ raise Exception('dimensions must be tuple: (width, height)')
+ self._setup_pipeline()
+ self.data = discover(self.source_path)
+ self._link_elements()
+ self.__setup_videoscale_capsfilter()
+ self.pipeline.set_state(Gst.State.PLAYING)
+ _log.info('Transcoding...')
_log.debug('Initializing MainLoop()')
self.loop.run()
- def _setup_discover(self):
- self.discoverer = discoverer.Discoverer(self.source_path)
-
- # Connect self.__discovered to the 'discovered' event
- self.discoverer.connect('discovered', self.__discovered)
-
- def __discovered(self, data, is_media):
- '''
- Callback for media discoverer.
- '''
- if not is_media:
- self.__stop()
- raise Exception('Could not discover {0}'.format(self.source_path))
-
- _log.debug('__discovered, data: {0}'.format(data))
-
- self.data = data
-
- self._on_discovered()
-
- # Tell the transcoding pipeline to start running
- self.pipeline.set_state(gst.STATE_PLAYING)
- _log.info('Transcoding...')
-
- def _on_discovered(self):
- self.__setup_videoscale_capsfilter()
- def _setup_pass(self):
- self.pipeline = gst.Pipeline('VideoTranscoderPipeline')
+ def _setup_pipeline(self):
+ _log.debug('Setting up transcoding pipeline')
+ # Create the pipeline bin.
+ self.pipeline = Gst.Pipeline.new('VideoTranscoderPipeline')
- self.filesrc = gst.element_factory_make('filesrc', 'filesrc')
+ # Create all GStreamer elements, starting with
+ # filesrc & decoder
+ self.filesrc = Gst.ElementFactory.make('filesrc', 'filesrc')
self.filesrc.set_property('location', self.source_path)
self.pipeline.add(self.filesrc)
- self.decoder = gst.element_factory_make('decodebin2', 'decoder')
-
- self.decoder.connect('new-decoded-pad', self._on_dynamic_pad)
+ self.decoder = Gst.ElementFactory.make('decodebin', 'decoder')
+ self.decoder.connect('pad-added', self._on_dynamic_pad)
self.pipeline.add(self.decoder)
- self.ffmpegcolorspace = gst.element_factory_make('ffmpegcolorspace', 'ffmpegcolorspace')
- self.pipeline.add(self.ffmpegcolorspace)
+ # Video elements
+ self.videoqueue = Gst.ElementFactory.make('queue', 'videoqueue')
+ self.pipeline.add(self.videoqueue)
+
+ self.videorate = Gst.ElementFactory.make('videorate', 'videorate')
+ self.pipeline.add(self.videorate)
+
+ self.videoconvert = Gst.ElementFactory.make('videoconvert',
+ 'videoconvert')
+ self.pipeline.add(self.videoconvert)
- self.videoscale = gst.element_factory_make('videoscale', 'videoscale')
- self.videoscale.set_property('method', 2) # I'm not sure this works
- self.videoscale.set_property('add-borders', 0)
+ self.videoscale = Gst.ElementFactory.make('videoscale', 'videoscale')
self.pipeline.add(self.videoscale)
- self.capsfilter = gst.element_factory_make('capsfilter', 'capsfilter')
+ self.capsfilter = Gst.ElementFactory.make('capsfilter', 'capsfilter')
self.pipeline.add(self.capsfilter)
- self.vp8enc = gst.element_factory_make('vp8enc', 'vp8enc')
- self.vp8enc.set_property('quality', 6)
- self.vp8enc.set_property('threads', 2)
- self.vp8enc.set_property('speed', 2)
+ self.vp8enc = Gst.ElementFactory.make('vp8enc', 'vp8enc')
+ self.vp8enc.set_property('threads', self.vp8_threads)
self.pipeline.add(self.vp8enc)
+ # Audio elements
+ self.audioqueue = Gst.ElementFactory.make('queue', 'audioqueue')
+ self.pipeline.add(self.audioqueue)
- # Audio
- self.audioconvert = gst.element_factory_make('audioconvert', 'audioconvert')
+ self.audiorate = Gst.ElementFactory.make('audiorate', 'audiorate')
+ self.audiorate.set_property('tolerance', 80000000)
+ self.pipeline.add(self.audiorate)
+
+ self.audioconvert = Gst.ElementFactory.make('audioconvert', 'audioconvert')
self.pipeline.add(self.audioconvert)
- self.vorbisenc = gst.element_factory_make('vorbisenc', 'vorbisenc')
- self.vorbisenc.set_property('quality', 0.7)
- self.pipeline.add(self.vorbisenc)
+ self.audiocapsfilter = Gst.ElementFactory.make('capsfilter',
+ 'audiocapsfilter')
+ audiocaps = Gst.Caps.new_empty()
+ audiocaps_struct = Gst.Structure.new_empty('audio/x-raw')
+ audiocaps.append_structure(audiocaps_struct)
+ self.audiocapsfilter.set_property('caps', audiocaps)
+ self.pipeline.add(self.audiocapsfilter)
+ self.vorbisenc = Gst.ElementFactory.make('vorbisenc', 'vorbisenc')
+ self.vorbisenc.set_property('quality', self.vorbis_quality)
+ self.pipeline.add(self.vorbisenc)
- self.webmmux = gst.element_factory_make('webmmux', 'webmmux')
+ # WebMmux & filesink
+ self.webmmux = Gst.ElementFactory.make('webmmux', 'webmmux')
self.pipeline.add(self.webmmux)
- self.filesink = gst.element_factory_make('filesink', 'filesink')
+ self.filesink = Gst.ElementFactory.make('filesink', 'filesink')
self.filesink.set_property('location', self.destination_path)
self.pipeline.add(self.filesink)
+ # Progressreport
+ self.progressreport = Gst.ElementFactory.make(
+ 'progressreport', 'progressreport')
+ # Update every second
+ self.progressreport.set_property('update-freq', 1)
+ self.progressreport.set_property('silent', True)
+ self.pipeline.add(self.progressreport)
+
+ def _link_elements(self):
+ '''
+ Link all the elements
+
+ This code depends on data from the discoverer and is called
+ from __discovered
+ '''
+ _log.debug('linking elements')
+ # Link the filesrc element to the decoder. The decoder then emits
+ # 'new-decoded-pad' which links decoded src pads to either a video
+ # or audio sink
self.filesrc.link(self.decoder)
- self.ffmpegcolorspace.link(self.videoscale)
+ # link the rest
+ self.videoqueue.link(self.videorate)
+ self.videorate.link(self.videoconvert)
+ self.videoconvert.link(self.videoscale)
self.videoscale.link(self.capsfilter)
self.capsfilter.link(self.vp8enc)
self.vp8enc.link(self.webmmux)
- # Audio
- self.audioconvert.link(self.vorbisenc)
- self.vorbisenc.link(self.webmmux)
-
- self.webmmux.link(self.filesink)
-
+ if self.data.is_audio:
+ # Link all the audio elements in a row to webmmux
+ self.audioqueue.link(self.audiorate)
+ self.audiorate.link(self.audioconvert)
+ self.audioconvert.link(self.audiocapsfilter)
+ self.audiocapsfilter.link(self.vorbisenc)
+ self.vorbisenc.link(self.webmmux)
+ self.webmmux.link(self.progressreport)
+ self.progressreport.link(self.filesink)
+
+ # Setup the message bus and connect _on_message to the pipeline
self._setup_bus()
- def _on_dynamic_pad(self, dbin, pad, islast):
+ def _on_dynamic_pad(self, dbin, pad):
'''
- Callback called when ``decodebin2`` has a pad that we can connect to
+ Callback called when ``decodebin`` has a pad that we can connect to
'''
- _log.debug('Linked {0}'.format(pad))
-
- #pdb.set_trace()
-
- if self.ffmpegcolorspace.get_pad_template('sink')\
- .get_caps().intersect(pad.get_caps()).is_empty():
- pad.link(
- self.audioconvert.get_pad('sink'))
+ # Intersect the capabilities of the video sink and the pad src
+ # Then check if they have no common capabilities.
+ if (self.videorate.get_static_pad('sink').get_pad_template()
+ .get_caps().intersect(pad.query_caps()).is_empty()):
+ # It is NOT a video src pad.
+ pad.link(self.audioqueue.get_static_pad('sink'))
else:
- pad.link(
- self.ffmpegcolorspace.get_pad('sink'))
+ # It IS a video src pad.
+ _log.debug('linking video to the pad dynamically')
+ pad.link(self.videoqueue.get_static_pad('sink'))
def _setup_bus(self):
self.bus = self.pipeline.get_bus()
self.bus.connect('message', self._on_message)
def __setup_videoscale_capsfilter(self):
- caps = ['video/x-raw-yuv', 'pixel-aspect-ratio=1/1']
-
- if self.data.videoheight > self.data.videowidth:
- # Whoa! We have ourselves a portrait video!
- caps.append('height={0}'.format(
- self.destination_dimensions[1]))
+ '''
+ Sets up the output format (width, height) for the video
+ '''
+ caps_struct = Gst.Structure.new_empty('video/x-raw')
+ caps_struct.set_value('pixel-aspect-ratio', Gst.Fraction(1, 1))
+ caps_struct.set_value('framerate', Gst.Fraction(30, 1))
+ video_info = self.data.get_video_streams()[0]
+ if video_info.get_height() > video_info.get_width():
+ # portrait
+ caps_struct.set_value('height', self.destination_dimensions[1])
else:
- # It's a landscape, phew, how normal.
- caps.append('width={0}'.format(
- self.destination_dimensions[0]))
-
- self.capsfilter.set_property(
- 'caps',
- gst.caps_from_string(
- ', '.join(caps)))
- gst.DEBUG_BIN_TO_DOT_FILE (
- self.pipeline,
- gst.DEBUG_GRAPH_SHOW_ALL,
- 'supersimple-debug-graph')
+ # landscape
+ caps_struct.set_value('width', self.destination_dimensions[0])
+ caps = Gst.Caps.new_empty()
+ caps.append_structure(caps_struct)
+ self.capsfilter.set_property('caps', caps)
def _on_message(self, bus, message):
- _log.debug((bus, message))
-
- t = message.type
-
- if t == gst.MESSAGE_EOS:
- self._discover_dst_and_stop()
+ _log.debug((bus, message, message.type))
+ if message.type == Gst.MessageType.EOS:
+ self.dst_data = discover(self.destination_path)
+ self.__stop()
_log.info('Done')
- elif t == gst.MESSAGE_ERROR:
- _log.error((bus, message))
+ elif message.type == Gst.MessageType.ELEMENT:
+ if message.has_name('progress'):
+ structure = message.get_structure()
+ # Update progress state if it has changed
+ (success, percent) = structure.get_int('percent')
+ if self.progress_percentage != percent and success:
+ self.progress_percentage = percent
+ if self._progress_callback:
+ self._progress_callback(percent)
+ _log.info('{percent}% done...'.format(percent=percent))
+ elif message.type == Gst.MessageType.ERROR:
+ _log.error('Got error: {0}'.format(message.parse_error()))
self.__stop()
- def _discover_dst_and_stop(self):
- self.dst_discoverer = discoverer.Discoverer(self.destination_path)
-
- self.dst_discoverer.connect('discovered', self.__dst_discovered)
-
- self.dst_discoverer.discover()
-
+ def __stop(self):
+ _log.debug(self.loop)
- def __dst_discovered(self, data, is_media):
- self.dst_data = data
+ if hasattr(self, 'pipeline'):
+ # Stop executing the pipeline
+ self.pipeline.set_state(Gst.State.NULL)
- self.__stop()
+ # This kills the loop, mercifully
+ GObject.idle_add(self.__stop_mainloop)
- def __stop(self):
- _log.debug(self.loop)
+ def __stop_mainloop(self):
+ '''
+ Wrapper for GObject.MainLoop.quit()
- self.pipeline.set_state(gst.STATE_NULL)
+ This wrapper makes us able to see if self.loop.quit has been called
+ '''
+ _log.info('Terminating MainLoop')
- gobject.idle_add(self.loop.quit)
+ self.loop.quit()
if __name__ == '__main__':
- import os
- os.environ["GST_DEBUG_DUMP_DOT_DIR"] = "/tmp"
- os.putenv('GST_DEBUG_DUMP_DOT_DIR', '/tmp')
+ os.nice(19)
from optparse import OptionParser
parser = OptionParser(
- usage='%prog [-v] -a [ video | thumbnail ] SRC DEST')
+ usage='%prog [-v] -a [ video | thumbnail | discover ] SRC [ DEST ]')
parser.add_option('-a', '--action',
dest='action',
- help='One of "video" or "thumbnail"')
+ help='One of "video", "discover" or "thumbnail"')
parser.add_option('-v',
dest='verbose',
action='store_true',
help='Dear program, please be quiet unless *error*')
+ parser.add_option('-w', '--width',
+ type=int,
+ default=180)
+
(options, args) = parser.parse_args()
if options.verbose:
_log.debug(args)
- if not len(args) == 2:
+ if not len(args) == 2 and not options.action == 'discover':
parser.print_help()
sys.exit()
+ transcoder = VideoTranscoder()
+
if options.action == 'thumbnail':
- VideoThumbnailer(*args)
+ args.append(options.width)
+ VideoThumbnailerMarkII(*args)
elif options.action == 'video':
- transcoder = VideoTranscoder(*args)
- pdb.set_trace()
+ def cb(data):
+ print('I\'m a callback!')
+ transcoder.transcode(*args, progress_callback=cb)
+ elif options.action == 'discover':
+ print transcoder.discover(*args)
projects / mediagoblin.git / blobdiff