37 lines
1.0 KiB
Python
37 lines
1.0 KiB
Python
# RozK
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from mp4.demuxer import Demuxer
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from mp4.decoder import Decoder
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demuxer = Demuxer('test.mp4')
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print(f"nb_streams = {demuxer.nb_streams}")
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print(f"video codec = {demuxer.video_stream.codec.name}")
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print(f"audio codec = {demuxer.audio_stream.codec.name}")
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video_decoder = Decoder(demuxer.video_stream)
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audio_decoder = Decoder(demuxer.audio_stream)
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while True:
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packet = demuxer.read_packet()
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if packet is None:
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break
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if demuxer.video_stream.contains(packet):
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video_frames = video_decoder.decode(packet)
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print(f"decoded {len(video_frames)} video frames")
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continue
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elif demuxer.audio_stream.contains(packet):
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audio_frames = audio_decoder.decode(packet)
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print(f"decoded {len(audio_frames)} audio frames")
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continue
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else:
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print("unkown packet")
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video_frames = video_decoder.flush()
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print(f"flushed {len(video_frames)} video frames")
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audio_frames = audio_decoder.flush()
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print(f"flushed {len(audio_frames)} audio frames")
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demuxer.close()
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