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Add logic to try LibreELEC's out-of-tree stateless V4L2 decoders

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This commit is contained in:
Cameron Gutman 2021-01-29 20:19:27 -06:00
parent 2eb4769bbc
commit ed3a5448b1
1 changed files with 19 additions and 0 deletions
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19
app/streaming/video/ffmpeg.cpp
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@ -713,6 +713,25 @@ bool FFmpegVideoDecoder::initialize(PDECODER_PARAMETERS params)
return true; return true;
} }
} }
{
// v4l2request is an out-of-tree hardware accelerated decoder that outputs DRI PRIME buffers
// https://github.com/LibreELEC/LibreELEC.tv/tree/master/packages/multimedia/ffmpeg/patches/v4l2-request
AVCodec* v4l2requestDecoder;
if (params->videoFormat & VIDEO_FORMAT_MASK_H264) {
v4l2requestDecoder = avcodec_find_decoder_by_name("h264_v4l2request");
}
else {
v4l2requestDecoder = avcodec_find_decoder_by_name("hevc_v4l2request");
}
if (v4l2requestDecoder != nullptr &&
tryInitializeRenderer(v4l2requestDecoder, params, nullptr,
[]() -> IFFmpegRenderer* { return new DrmRenderer(); })) {
return true;
}
}
#endif #endif
#ifdef Q_OS_LINUX #ifdef Q_OS_LINUX