[Libav-user] Why mjpeg decoder doesn't have cap AV_CODEC_CAP_FRAME_THREADS

[Carl Eugen Hoyos]

2016-10-10 12:22 GMT+02:00  <daimon_swang-at-yahoo.com at ffmpeg.org>:

> So I'm wondering why some codec for picture processing (which means
> frames are not related) doesn't have that cap. i.e. the codec mjpegdec
> doesn't have the cap

Because it wasn't implemented (I suspect some decoder structures have to
be fixed to allow multi-threaded decoding), patch welcome!

Carl Eugen