def test_silent_audio_for_10_secs(self, mock_subprocess):
MediaConverter([AudioTrack(None, codecs.AAC('256k', 2, 48000))], 'b.m4a').convert(duration=10)
cmd = ['/somewhere/ffmpeg', '-y',
'-ar', '48000', '-ac', '1', '-f', 's16le', '-i', '/dev/zero',
'-map', '0:a:0', '-c:a:0', 'aac', '-b:a', '256k', '-ac', '2', '-ar', '48000', '-t', '10',
'-threads', '0', 'b.m4a']
mock_subprocess.assert_called_with(cmd)
def test_audio_convert(self, mock_subprocess):
MediaConverter(AudioTrack('a.wav', codecs.AAC('256k', 2, 44100)), 'a.m4a').convert()
cmd = ['/somewhere/ffmpeg', '-y',
'-analyzeduration', '2147483647', '-probesize', '2147483647', '-i', 'a.wav',
'-map', '0:a:0', '-c:a:0', 'aac', '-b:a', '256k', '-ac', '2', '-ar', '44100',
'-threads', '0', 'a.m4a']
mock_subprocess.assert_called_with(cmd)
def test_convert_to_480p(self, mock_subprocess):
vos = VideoOutstream('a.mp4').scale(height=480)
MediaConverter([VideoTrack(vos, codecs.MPEG2('3000k', '16:9', '23.97')),
AudioTrack('a.mp4', codecs.AAC('256k', 2, 44100))], 'b.mkv').convert()
cmd = ['/somewhere/ffmpeg', '-y',
'-analyzeduration', '2147483647', '-probesize', '2147483647', '-i', 'a.mp4',
'-filter_complex', '[0:v:0]scale=-2:480[vout0]',
'-map', '[vout0]', '-c:v:0', 'mpeg2video', '-b:v', '3000k', '-aspect', '16:9', '-r', '23.97',
'-map', '0:a:0', '-c:a:0', 'aac', '-b:a', '256k', '-ac', '2', '-ar', '44100',
'-threads', '0', 'b.mkv']
mock_subprocess.assert_called_with(cmd)
def test_blank_video_with_audio(self, mock_subprocess):
MediaConverter([VideoTrack(None, codecs.H264()),
AudioTrack('a.mp3', codecs.AAC())], 'b.mp4').convert()
cmd = ['/somewhere/ffmpeg', '-y',
'-s', '640x360', '-f', 'rawvideo', '-pix_fmt', 'rgb24', '-r', '30', '-i', '/dev/zero',
'-analyzeduration', '2147483647', '-probesize', '2147483647', '-i', 'a.mp3',
'-map', '0:v:0', '-c:v:0', 'h264', '-crf', '23', '-pix_fmt', 'yuv420p',
'-profile:v', 'high', '-level', '3.1',
'-map', '1:a:0', '-c:a:0', 'aac', '-b:a', '192k', '-ac', '2', '-ar', '44100',
'-shortest',
'-threads', '0', 'b.mp4']
mock_subprocess.assert_called_with(cmd)
def test_image_video_with_audio(self, mock_valid, mock_subprocess):
mock_valid.return_value = True
MediaConverter([VideoTrack('a.png', codecs.H264()),
AudioTrack('a.mp3', codecs.AAC())], 'b.mp4').convert()
cmd = ['/somewhere/ffmpeg', '-y',
'-i', 'a.png',
'-analyzeduration', '2147483647', '-probesize', '2147483647', '-i', 'a.mp3',
'-map', '0:v:0', '-c:v:0', 'h264', '-crf', '23', '-pix_fmt', 'yuv420p',
'-profile:v', 'high', '-level', '3.1',
'-map', '1:a:0', '-c:a:0', 'aac', '-b:a', '192k', '-ac', '2', '-ar', '44100',
'-threads', '0', 'b.mp4']
mock_subprocess.assert_called_with(cmd)
def test_subtitle_language(self, mock_subprocess):
MediaConverter([VideoTrack('a.mp4', codecs.H264()),
AudioTrack('a.mp4', codecs.AAC()),
SubtitleTrack('a.srt', codecs.TimedText(), language='kor')], 'b.mp4').convert()
cmd = ['/somewhere/ffmpeg', '-y',
'-analyzeduration', '2147483647', '-probesize', '2147483647', '-i', 'a.mp4',
'-analyzeduration', '2147483647', '-probesize', '2147483647', '-i', 'a.srt',
'-map', '0:v:0', '-c:v:0', 'h264', '-crf', '23', '-pix_fmt', 'yuv420p',
'-profile:v', 'high', '-level', '3.1',
'-map', '0:a:0', '-c:a:0', 'aac', '-b:a', '192k', '-ac', '2', '-ar', '44100',
'-map', '1:s:0', '-c:s:0', 'mov_text',
'-metadata:s:s:0', 'language=kor',
'-threads', '0', 'b.mp4']
mock_subprocess.assert_called_with(cmd)