Please disregard this patch series. Since I sent those yesterday I have been contacted by the original authors and was told that those are outdated. Both LibreELEC and RPi devs are working on a different version of the code that would need to be consolidated first before it can go upstream.
Sorry for the noise. Best regards, Le mar. 12 avr. 2022 à 17:53, <xade...@gmail.com> a écrit : > > From: Elie ROUDNINSKI <xade...@gmail.com> > > This is the second iteration of > https://patchwork.ffmpeg.org/project/ffmpeg/list/?series=2898 > but only covering the common V4L2 request API code without the support for > h264 codec. > > Changes in v2: > * Addressed some styling comments > * Removed libudev dependency > * Device probing has been refactored > > This code (in one version or another) has been widely used by various projects > like LibreELEC[1] for several years already. > The uAPI has been stable for several kernel versions too and as of linux5.17, > the following codecs are available: > * mpeg2 > * h264 > * vp9 > > HEVC is in the process of being stabilized too[2]. > > I have tried to contact the original author of the code but I haven't got an > answer > so far so I have kept them as commit author but added myself as co-author > since > I have made substantial modifications to it. Happy to change this either way. > > It's my first contribution to FFmpeg, so I hope to have done everything right. > Additionally, I must confess that I am not an expert of the V4L2 request APIs > but > since I was frustrated of not being able to use standard FFmpeg on my ARM > boards > to get hardware decoding working, I figured I might just try to give it a go. > There are several comments in the original patch series that I won't have an > answer > for but I hope that won't be a blocker. That's also why the v4l2-request > configure > option has been marked as experimental. > > [1] > https://github.com/LibreELEC/LibreELEC.tv/tree/master/packages/multimedia/ffmpeg/patches/v4l2-request > [2] https://patchwork.kernel.org/project/linux-media/list/?series=630077 > > > Jonas Karlman (2): > avutil/buffer: add av_buffer_pool_flush() > avcodec: add common V4L2 request API code > > configure | 7 + > doc/APIchanges | 3 + > libavcodec/Makefile | 3 +- > libavcodec/hwconfig.h | 2 + > libavcodec/v4l2_buffers.c | 8 +- > libavcodec/v4l2_context.c | 80 ++-- > libavcodec/v4l2_context.h | 5 +- > libavcodec/v4l2_device.c | 229 ++++++++++ > libavcodec/v4l2_device.h | 60 +++ > libavcodec/v4l2_m2m.c | 119 ++--- > libavcodec/v4l2_m2m.h | 4 +- > libavcodec/v4l2_m2m_dec.c | 10 +- > libavcodec/v4l2_m2m_enc.c | 8 +- > libavcodec/v4l2_request.c | 892 ++++++++++++++++++++++++++++++++++++++ > libavcodec/v4l2_request.h | 87 ++++ > libavutil/buffer.c | 7 + > libavutil/buffer.h | 5 + > libavutil/version.h | 4 +- > 18 files changed, 1399 insertions(+), 134 deletions(-) > create mode 100644 libavcodec/v4l2_device.c > create mode 100644 libavcodec/v4l2_device.h > create mode 100644 libavcodec/v4l2_request.c > create mode 100644 libavcodec/v4l2_request.h > > -- > 2.35.1 > _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
