def to_hls(input, segments, playlist):
try:
process.check_output([
'ffmpeg',
'-i "%s"' % input,
'-sn',
'-acodec copy',
'-vcodec copy',
'-bsf h264_mp4toannexb',
'-flags -global_header',
'-map 0',
'-f segment',
'-segment_time 10',
'-segment_list "%s"' % playlist,
'-segment_format mpegts',
'"%s"' % segments
])
except process.CalledProcessError, e:
raise TransmuxingError(e)
def make_thumbnail(stream, filename="thumb.jpg", clobber=False, **kwargs):
outfile = os.path.join(stream, filename)
if not clobber and os.path.exists(outfile):
return (Processing.WILL_NOT_CLOBBER, outfile)
segments = fs.glob(os.path.join(stream, "*.ts"))
if not segments:
raise ValueError("stream '%s' does not contain any segments" % stream)
segment = random.choice(segments)
dimensions = kwargs.get("dimensions", "240x135")
try:
process.check_output(["ffmpeg", "-i", segment, "-vframes", "1", "-an", "-s", dimensions, "-ss", "1", outfile])
return (Processing.COMPLETE, outfile)
except process.CalledProcessError, e:
raise ProcessingError(e.output)