nicoboy/wireclaw-pizero
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fix: videoconvert wrapping textoverlay dans pipeline hw

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textoverlay ne digère pas I420 directement depuis v4l2convert.
Ajout de videoconvert avant et après textoverlay, puis
v4l2convert ! video/x-raw,format=I420 juste avant v4l2h264enc.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
nicoboy
2026-06-09 16:59:10 +02:00
parent 636f6fee11
commit a6cea5619a
1 changed files with 4 additions and 2 deletions
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6
camera_server.py
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@ -98,12 +98,14 @@ def _build_pipeline(cfg: dict, encoder: str, overlay_text: str) -> str:
if encoder == "hw": if encoder == "hw":
bitrate_bps = cfg["bitrate_kbps"] * 1000 bitrate_bps = cfg["bitrate_kbps"] * 1000
# Explicit NV12 cap after v4l2convert so textoverlay and v4l2h264enc agree on format
return ( return (
f"libcamerasrc ! " f"libcamerasrc ! "
f"video/x-raw,width={w},height={h},format=NV12,framerate={fps}/1 ! " f"video/x-raw,width={w},height={h},format=NV12,framerate={fps}/1 ! "
f"v4l2convert ! video/x-raw,format=I420 ! " f"v4l2convert ! "
f"videoconvert ! "
f"{overlay} ! " f"{overlay} ! "
f"videoconvert ! "
f"v4l2convert ! video/x-raw,format=I420 ! "
f"v4l2h264enc video-bitrate={bitrate_bps} " f"v4l2h264enc video-bitrate={bitrate_bps} "
f'extra-controls="controls,repeat_sequence_header=1" ! ' f'extra-controls="controls,repeat_sequence_header=1" ! '
f"video/x-h264,level=(string){level} ! " f"video/x-h264,level=(string){level} ! "