diff options
Diffstat (limited to 'voctocore/videomix.py')
| -rw-r--r-- | voctocore/videomix.py | 43 |
1 files changed, 23 insertions, 20 deletions
diff --git a/voctocore/videomix.py b/voctocore/videomix.py index 8a2b836..103c8e7 100644 --- a/voctocore/videomix.py +++ b/voctocore/videomix.py @@ -4,11 +4,13 @@ from gi.repository import GLib, Gst from controlserver import controlServerEntrypoint class Videomix: +"""mixing, streaming and encoding pipeline constuction and control""" # size of the monitor-streams # should be anamorphic PAL, beacuse we encode it to dv and send it to the mixer-gui monitorSize = (1024, 576) def __init__(self): + """initialize video mixing, streaming and encoding pipeline""" # initialize an empty pipeline self.pipeline = Gst.Pipeline() @@ -39,8 +41,8 @@ class Videomix: Gst.debug_bin_to_dot_file(self.pipeline, Gst.DebugGraphDetails.ALL, 'test') self.pipeline.set_state(Gst.State.PLAYING) - # create audio and video mixer def createMixer(self): + """create audio and video mixer""" # create mixer-pipeline from string mixerbin = Gst.parse_bin_from_description(""" videomixer name=livevideo ! autovideosink @@ -60,8 +62,8 @@ class Videomix: self.pipeline.add(mixerbin) return mixerbin - # add all avaiable videosources to the quadmix def addVideosToQuadmix(self, videosources, quadmix): + """add all avaiable videosources to the quadmix""" count = len(videosources) # coordinate of the cell where we place the next video @@ -152,8 +154,8 @@ class Videomix: place[1] += 1 place[0] = 0 - # create a simple ×2 distributor def createDistributor(self, videosource, name): + """create a simple ×2 distributor""" distributor = Gst.parse_bin_from_description(""" tee name=t t. ! queue name=a @@ -168,8 +170,9 @@ class Videomix: videosource.link(distributor.get_by_name('t')) return distributor - # create test-video-sources from files or urls def createDummyCamSources(self): + """create test-video-sources from files or urls""" + # TODO make configurable uris = ('file:///home/peter/122.mp4', 'file:///home/peter/10025.mp4',) for idx, uri in enumerate(uris): @@ -192,10 +195,10 @@ class Videomix: yield camberabin - # create real-video-sources from the bmd-drivers def createCamSources(self): - # number of installed cams - # TODO make configurable + """create real-video-sources from the bmd-drivers""" + + # TODO make number of installed cams configurable for cam in range(2): # create a bin for camera input camberabin = Gst.parse_bin_from_description(""" @@ -227,14 +230,14 @@ class Videomix: @controlServerEntrypoint def numAudioSources(self): - """ return number of available audio sources """ + """return number of available audio sources""" liveaudio = self.pipeline.get_by_name('liveaudio') return str(len(list(self.iteratorHelper(liveaudio.iterate_sink_pads())))) @controlServerEntrypoint def switchAudio(self, audiosource): - """ switch audio to the selected audio """ + """switch audio to the selected audio""" liveaudio = self.pipeline.get_by_name('liveaudio') pad = liveaudio.get_static_pad('sink_{}'.format(audiosource)) if pad is None: @@ -246,14 +249,14 @@ class Videomix: @controlServerEntrypoint def numVideoSources(self): - """ return number of available video sources """ + """return number of available video sources""" livevideo = self.pipeline.get_by_name('livevideo') return str(len(list(self.iteratorHelper(livevideo.iterate_sink_pads())))) @controlServerEntrypoint def switchVideo(self, videosource): - """ switch audio to the selected video """ + """switch audio to the selected video""" livevideo = self.pipeline.get_by_name('livevideo') pad = livevideo.get_static_pad('sink_{}'.format(videosource)) if pad is None: @@ -267,53 +270,53 @@ class Videomix: @controlServerEntrypoint def fadeVideo(self, videosource): - """ fade video to the selected video """ + """fade video to the selected video""" raise NotImplementedError("fade command is not implemented yet") @controlServerEntrypoint def setPipVideo(self, videosource): - """ switch video-source in the PIP to the selected video """ + """switch video-source in the PIP to the selected video""" raise NotImplementedError("pip commands are not implemented yet") @controlServerEntrypoint def fadePipVideo(self, videosource): - """ fade video-source in the PIP to the selected video """ + """fade video-source in the PIP to the selected video""" raise NotImplementedError("pip commands are not implemented yet") class PipPlacements: - """ enumeration of possible PIP-Placements """ + """enumeration of possible PIP-Placements""" TopLeft, TopRight, BottomLeft, BottomRight = range(4) @controlServerEntrypoint def setPipPlacement(self, placement): - """ place PIP in the selected position """ + """place PIP in the selected position""" assert(isinstance(placement, PipPlacements)) raise NotImplementedError("pip commands are not implemented yet") @controlServerEntrypoint def setPipStatus(self, enabled): - """ show or hide PIP """ + """show or hide PIP""" raise NotImplementedError("pip commands are not implemented yet") @controlServerEntrypoint def fadePipStatus(self, enabled): - """ fade PIP in our out """ + """fade PIP in our out""" raise NotImplementedError("pip commands are not implemented yet") class StreamContents: - """ enumeration of possible PIP-Placements """ + """enumeration of possible PIP-Placements""" Live, Pause, NoStream = range(3) @controlServerEntrypoint def selectStreamContent(self, content): - """ switch the livestream-content between selected mixer output, pause-image or nostream-image""" + """switch the livestream-content between selected mixer output, pause-image or nostream-imag""" assert(isinstance(content, StreamContents)) raise NotImplementedError("pause/nostream switching is not implemented yet") |