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Improvements to thumbnail generation and detail page

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Brett Williams
2022-12-12 21:45:46 -08:00
parent 9ac22a5555
commit 9a9b0304b9
11 changed files with 51 additions and 14 deletions
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18
utilities/ffmpeg_presets.py
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@@ -11,7 +11,8 @@ def file_info(path):
def save_first_frame(source_path, dest_path, max_width=1280, run_async=False):
stream = ffmpeg.input(source_path)
stream = ffmpeg.output(stream, dest_path, **{'vf': f'format=yuv420p,scale={max_width}:-2', 'vframes': '1'})
stream = ffmpeg.output(stream, dest_path, **{'vf': f'format=yuv420p,scale={max_width}:trunc(ow/a/2)*2',
'vframes': '1'})
return _run_output(stream, run_async)
@@ -22,6 +23,16 @@ def generate_fast_preview(source_path, dest_path, max_width=1280, run_async=Fals
return _run_output(stream, run_async)
def generate_thumbnail(source_path, dest_path, max_width=240, run_async=False):
stream = ffmpeg.input(source_path).video
stream = ffmpeg.output(stream, dest_path, **{'vf': f'scale={max_width}:trunc(ow/a/2)*2',
'preset': 'veryfast',
'r': '15',
'c:v': 'libx265',
'tag:v': 'hvc1'})
return _run_output(stream, run_async)
def generate_prores_trim(source_path, dest_path, start_frame, end_frame, handles=10, run_async=False):
stream = ffmpeg.input(source_path)
stream = stream.trim(**{'start_frame': max(start_frame-handles, 0), 'end_frame': end_frame + handles})
@@ -31,9 +42,10 @@ def generate_prores_trim(source_path, dest_path, start_frame, end_frame, handles
def _run_output(stream, run_async):
return ffmpeg.run_async(stream) if run_async else ffmpeg.run(stream)
return ffmpeg.run_async(stream, quiet=True, overwrite_output=True) if run_async else \
ffmpeg.run(stream, quiet=True, overwrite_output=True)
if __name__ == '__main__':
x = file_info("/Users/brettwilliams/Desktop/dark_knight_rises.mp4")
x = generate_thumbnail("/Users/brett/Desktop/pexels.mp4", "/Users/brett/Desktop/test-output.mp4", max_width=320)
print(x)