[Libav-user] Regarding jpeg_qsv support in ffmpeg

Mark Thompson sw at jkqxz.net
Sat Apr 14 02:16:38 EEST 2018

On 13/04/18 07:39, Vivekanand wrote:
> Dear Team,
> Intel Media SDK provides support for hardware encoding and decoding of
> JPEG/H264 data.
> I want to use this functionality using ffmpeg. I checked ffmpeg and found
> h264_qsv for H264 but didn't find anything for JPEG.
> Is there anything like "jpeg_qsv" exists in ffmpeg ?
> Is there a way in ffmpeg using which I can use hardware encoding/decoding
> for JPEG with intel hardware.

It's supported via VAAPI with the i965 driver.

For decoding, use the VAAPI hwaccel mode (supports 4:0:0, 4:2:0, 4:1:1, 4:2:2, 4:4:0, 4:4:4).  For encoding, use the mjpeg_vaapi encoder (supports 4:2:0 only).

- Mark

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