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feat(clip): ffmpeg improvements to reduce frame skips (#35196)

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* test

* no benefit with two pass

* rm

* typo, testing

* re-add
This commit is contained in:
Trey Moen
2025-05-12 18:56:13 -07:00
committed by GitHub
parent 2e5014d793
commit 51ab7ec8f5
1 changed files with 19 additions and 3 deletions
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tools/clip/run.py
+19 -3
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@@ -177,9 +177,25 @@ def clip(data_dir: str | None, quality: Literal['low', 'high'], prefix: str, rou
overlays.append(f"drawtext=text='{escape_ffmpeg_text(title)}':fontfile=Inter.tff:fontcolor=white:fontsize=32:{box_style}:x=(w-text_w)/2:y=53")
ffmpeg_cmd = [
'ffmpeg', '-y', '-video_size', RESOLUTION, '-framerate', str(FRAMERATE), '-f', 'x11grab', '-draw_mouse', '0',
'-i', display, '-c:v', 'libx264', '-maxrate', f'{bit_rate_kbps}k', '-bufsize', f'{bit_rate_kbps*2}k', '-crf', '23',
'-filter:v', ','.join(overlays), '-preset', 'ultrafast', '-pix_fmt', 'yuv420p', '-movflags', '+faststart', '-f', 'mp4', '-t', str(duration), out
'ffmpeg', '-y',
'-video_size', RESOLUTION,
'-framerate', str(FRAMERATE),
'-f', 'x11grab',
'-rtbufsize', '100M',
'-draw_mouse', '0',
'-i', display,
'-c:v', 'libx264',
'-maxrate', f'{bit_rate_kbps}k',
'-bufsize', f'{bit_rate_kbps*2}k',
'-crf', '23',
'-filter:v', ','.join(overlays),
'-preset', 'ultrafast',
'-tune', 'zerolatency',
'-pix_fmt', 'yuv420p',
'-movflags', '+faststart',
'-f', 'mp4',
'-t', str(duration),
out,
]
replay_cmd = [REPLAY, '-c', '1', '-s', str(begin_at), '--prefix', prefix]