[FFmpeg-devel] [PATCH] avcodec: add new Videotoolbox hwaccel.

[Clément Bœsch]

On Sat, Jun 20, 2015 at 01:33:00PM +0200, Sebastien Zwickert wrote:
> Old videtotoolbox patch rebased and updated to target the new HWAccel API.
> As VDA is a wrapper of VideoToolbox framework, the changes base vda implementation
> upon the videotoolbox implementation to factorize common part of code.
> 
> ---
>  Changelog                    |   1 +
>  MAINTAINERS                  |   1 +
>  Makefile                     |   5 +-
>  configure                    |  19 +-
>  ffmpeg.h                     |   2 +
>  ffmpeg_opt.c                 |   5 +-
>  ffmpeg_vda.c                 | 134 --------
>  ffmpeg_videotoolbox.c        | 147 +++++++++
>  libavcodec/Makefile          |  12 +-
>  libavcodec/allcodecs.c       |   5 +
>  libavcodec/h263dec.c         |   3 +
>  libavcodec/h264_slice.c      |   4 +
>  libavcodec/mpeg12dec.c       |   3 +
>  libavcodec/vda.c             |   2 +-
>  libavcodec/vda_h264.c        | 154 +---------
>  libavcodec/vda_internal.h    |  33 --
>  libavcodec/vda_vt_internal.h |  57 ++++
>  libavcodec/version.h         |   2 +-
>  libavcodec/videotoolbox.c    | 705 +++++++++++++++++++++++++++++++++++++++++++
>  libavcodec/videotoolbox.h    | 126 ++++++++
>  libavutil/pixdesc.c          |   4 +
>  libavutil/pixfmt.h           |   2 +

I tried on iOS (iPhone 6+ so last one unless I'm mistaken) with a 240fps
footage, and it seems the decode calls take more than 5ms, which seems not
enough. Do you have any idea what could cause this? (I'm running a timer
after/before avcodec_decode_video*())

[...]

-- 
Clément B.
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