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CarolinePascal
2026-05-13 16:33:27 +02:00
parent cf6f92ac74
commit d8c17a20a0
2 changed files with 2 additions and 2 deletions
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docs/source/video_encoding_parameters.mdx
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@@ -57,7 +57,7 @@ All flags below are prefixed with `--dataset.camera_encoder.` on the CLI.
| `vcodec` | `str` | `"libsvtav1"` | Video codec name. `"auto"` picks the first available hardware encoder from a fixed preference list, falling back to `libsvtav1`. | | `vcodec` | `str` | `"libsvtav1"` | Video codec name. `"auto"` picks the first available hardware encoder from a fixed preference list, falling back to `libsvtav1`. |
| `pix_fmt` | `str` | `"yuv420p"` | Output pixel format. Must be supported by the chosen codec in your FFmpeg build. | | `pix_fmt` | `str` | `"yuv420p"` | Output pixel format. Must be supported by the chosen codec in your FFmpeg build. |
| `g` | `int` | `2` | GOP size — a keyframe every `g` frames. Emitted as FFmpeg option `g`. | | `g` | `int` | `2` | GOP size — a keyframe every `g` frames. Emitted as FFmpeg option `g`. |
| `crf` | `int` | `30` | Abstract quality value, mapped per codec (see the [mapping](#mapping-videoencoderconfig--ffmpeg-options) below). Lower → higher quality / larger output where the mapping is monotone. | | `crf` | `int` or `float` | `30` | Abstract quality value, mapped per codec (see the [mapping](#mapping-videoencoderconfig--ffmpeg-options) below). Lower → higher quality / larger output where the mapping is monotone. |
| `preset` | `int` or `str` | `12` \* | Encoder speed preset; meaning depends on the codec. <br/>\* When unset and `vcodec=libsvtav1`, LeRobot defaults to `12`. | | `preset` | `int` or `str` | `12` \* | Encoder speed preset; meaning depends on the codec. <br/>\* When unset and `vcodec=libsvtav1`, LeRobot defaults to `12`. |
| `fast_decode` | `int` | `0` | `libsvtav1`: `0–2`, passed via `svtav1-params`. <br/>`h264` / `hevc` (software): if `>0`, sets `tune=fastdecode`. <br/>Other codecs: usually unused. | | `fast_decode` | `int` | `0` | `libsvtav1`: `0–2`, passed via `svtav1-params`. <br/>`h264` / `hevc` (software): if `>0`, sets `tune=fastdecode`. <br/>Other codecs: usually unused. |
| `video_backend` | `str` | `"pyav"` | Only `"pyav"` is currently implemented for video encoding. | | `video_backend` | `str` | `"pyav"` | Only `"pyav"` is currently implemented for video encoding. |
src/lerobot/configs/video.py
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@@ -146,7 +146,7 @@ class VideoEncoderConfig:
For ``"auto"``, the first hardware encoder in the preference list that is available is chosen; if none are available, ``libsvtav1`` is used. If the For ``"auto"``, the first hardware encoder in the preference list that is available is chosen; if none are available, ``libsvtav1`` is used. If the
resolved codec (explicit or after auto-selection) is not available, raises ``ValueError``. resolved codec (explicit or after auto-selection) is not available, raises ``ValueError``.
Stream-derived canonical codec names listed in :data:`VIDEO_CODEC_ALIASES` are Stream-derived canonical codec names listed in :data:`VIDEO_CODECS_ALIASES` are
rewritten to their corresponding encoder name (e.g. ``"av1"`` → ``"libsvtav1"``). rewritten to their corresponding encoder name (e.g. ``"av1"`` → ``"libsvtav1"``).
""" """
self.vcodec = VIDEO_CODECS_ALIASES.get(self.vcodec, self.vcodec) self.vcodec = VIDEO_CODECS_ALIASES.get(self.vcodec, self.vcodec)