Add V4L2 MPEG2 decoder support (stateless and stateful) #334
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Co-authored-by: rgonzalezfluendo <56379722+rgonzalezfluendo@users.noreply.github.com>
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[WIP] Add capability to test MPEG2 V4L2 decoder
Add V4L2 MPEG2 decoder support (stateless and stateful)
Feb 5, 2026
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V4L2 MPEG2 decoder support was missing from fluster. Real-world drivers like venus require proper V4L2 API implementation rather than naive approaches.
Changes
GStreamerV4l2CodecsMPEG2Gst10Decoder- Stateless V4L2 decoder usingv4l2slmpeg2decGStreamerV4l2MPEG2Gst10VideoDecoder- Stateful V4L2 decoder usingv4l2mpeg2decBoth variants are necessary because V4L2 drivers implement either stateless or stateful APIs depending on hardware capabilities. Follows the same pattern as existing V4L2 decoders (H.264, H.265, VP8, VP9, AV1).
The decoders appear in fluster as:
GStreamer-MPEG2_VIDEO-V4L2SL-Gst1.0(stateless)GStreamer-MPEG2_VIDEO-V4L2-Gst1.0(stateful)Original prompt
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