def testBypass(self):
""" Проверка работы в режиме bypass, когда аудиопоток не проходит ни
через один фильтр."""
ff = FFMPEG(inputfile='/tmp/input.mp4')
fc = FilterComplex(audio_inputs=0, audio_outputs=0)
fc.video | filters.Scale(640, 360) | fc.get_video_dest(0)
ff.filter_complex = fc
cv0 = VideoCodec(vcodec='libx264', vbitrate='700000', size='640x360')
ca0 = AudioCodec(acodec='aac', abitrate='128000')
out0 = Muxer('flv', '/tmp/out.flv')
ff.add_output(out0, cv0, ca0)
expected = [
'ffmpeg',
'-i', '/tmp/input.mp4',
'-filter_complex',
'[0:v]scale=640x360[vout0]',
'-f', 'flv',
'-map', '[vout0]', '-c:v', 'libx264', '-b:v', '700000',
'-map', '0:a', '-c:a', 'aac', '-b:a', '128000',
'/tmp/out.flv'
]
self.assertEqual(ff.get_args(), ensure_binary(expected))
print(ff.get_cmd())
def testCodecCopy(self):
""" Проверяется корректность использования vcodec=copy совместно с
фильтрами для аудио."""
ff = FFMPEG(inputfile='/tmp/input.mp4')
fc = FilterComplex(inputs=0, audio_inputs=1, outputs=0, audio_outputs=1)
fc.audio | filters.Volume(20) | fc.get_audio_dest(0)
ff.filter_complex = fc
cv0 = VideoCodec(vcodec='copy')
ca0 = AudioCodec(acodec='aac', abitrate='128000')
out0 = Muxer('flv', '/tmp/out.flv')
ff.add_output(out0, cv0, ca0)
expected = [
'ffmpeg',
'-i', '/tmp/input.mp4',
'-filter_complex',
'[0:a]volume=20.00[aout0]',
'-f', 'flv',
'-c:v', 'copy',
'-map', '[aout0]', '-c:a', 'aac', '-b:a', '128000',
'/tmp/out.flv'
]
print(ff.get_cmd())
self.assertEqual(ff.get_args(), ensure_binary(expected))
def testFFMPEG(self):
""" Проверка работоспособности и демонстрация возможностей."""
ff = FFMPEG(inputfile='/tmp/input.mp4')
fc = FilterComplex(outputs=1, audio_outputs=2)
asplit = fc.audio | filters.AudioSplit()
fc.video | filters.Scale(640, 360) | fc.get_video_dest(0)
asplit.connect_dest(fc.get_audio_dest(0))
asplit.connect_dest(fc.get_audio_dest(1))
ff.filter_complex = fc
out0 = Muxer('flv', '/tmp/out.flv')
out1 = Muxer('mp3', '/tmp/out.mp3')
cv0 = VideoCodec(vcodec='libx264', vbitrate='700000', size='640x360')
ca0 = AudioCodec(acodec='aac', abitrate='128000')
ca1 = AudioCodec(acodec='libmp3lame', abitrate='394000')
ff.add_output(out0, cv0, ca0)
ff.add_output(out1, ca1)
expected = [
'ffmpeg',
'-i', '/tmp/input.mp4',
'-filter_complex',
'[0:v]scale=640x360[vout0];[0:a]asplit[aout0][aout1]',
'-f', 'flv',
'-map', '[vout0]', '-c:v', 'libx264', '-b:v', '700000',
'-map', '[aout0]', '-c:a', 'aac', '-b:a', '128000',
'/tmp/out.flv',
'-f', 'mp3',
'-map', '[aout1]', '-c:a', 'libmp3lame', '-b:a', '394000',
'/tmp/out.mp3'
]
self.assertEqual(ff.get_args(), ensure_binary(expected))