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52 lines
2.1 KiB
Python
52 lines
2.1 KiB
Python
import ffmpeg
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def file_info(path):
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try:
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return ffmpeg.probe(path)
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except Exception as e:
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print('Error getting ffmpeg info: ' + str(e))
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return None
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def save_first_frame(source_path, dest_path, max_width=1280, run_async=False):
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stream = ffmpeg.input(source_path)
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stream = ffmpeg.output(stream, dest_path, **{'vf': f'format=yuv420p,scale={max_width}:trunc(ow/a/2)*2',
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'vframes': '1'})
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return _run_output(stream, run_async)
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def generate_fast_preview(source_path, dest_path, max_width=1280, run_async=False):
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stream = ffmpeg.input(source_path)
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stream = ffmpeg.output(stream, dest_path, **{'vf': 'format=yuv420p,scale={width}:-2'.format(width=max_width),
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'preset': 'ultrafast'})
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return _run_output(stream, run_async)
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def generate_thumbnail(source_path, dest_path, max_width=240, run_async=False):
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stream = ffmpeg.input(source_path).video
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stream = ffmpeg.output(stream, dest_path, **{'vf': f'scale={max_width}:trunc(ow/a/2)*2',
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'preset': 'veryfast',
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'r': '15',
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'c:v': 'libx265',
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'tag:v': 'hvc1'})
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return _run_output(stream, run_async)
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def generate_prores_trim(source_path, dest_path, start_frame, end_frame, handles=10, run_async=False):
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stream = ffmpeg.input(source_path)
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stream = stream.trim(**{'start_frame': max(start_frame-handles, 0), 'end_frame': end_frame + handles})
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stream = stream.setpts('PTS-STARTPTS') # reset timecode
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stream = ffmpeg.output(stream, dest_path, strict='-2', **{'c:v': 'prores_ks', 'profile:v': 4})
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return _run_output(stream, run_async)
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def _run_output(stream, run_async):
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return ffmpeg.run_async(stream, quiet=True, overwrite_output=True) if run_async else \
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ffmpeg.run(stream, quiet=True, overwrite_output=True)
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if __name__ == '__main__':
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x = generate_thumbnail("/Users/brett/Desktop/pexels.mp4", "/Users/brett/Desktop/test-output.mp4", max_width=320)
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print(x)
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