[FFmpeg-devel] [PATCH v2 0/3] avcodec/hevc: Add alpha video decoding support

Zhao Zhili quinkblack at foxmail.com
Fri Jan 10 11:03:34 EET 2025


Ping.

> On Dec 15, 2024, at 14:38, Zhao Zhili <quinkblack at foxmail.com> wrote:
> 
> From: Zhao Zhili <zhilizhao at tencent.com>
> 
> v2:
> 1. It works with x265 streams
> 2. Remove the requirement on SEI. SEI alpha channel information is
> required on the producer side but not for decoder.
> 
> Zhao Zhili (3):
>  avcodec/hevc: Rewrite scalability_mask_flag parse in decode_vps_ext
>  avcodec/hevc/ps: Add basic HEVC_SCALABILITY_AUXILIARY support
>  avcodec/hevc: Add alpha layer support
> 
> libavcodec/hevc/hevc.h    |  12 +++
> libavcodec/hevc/hevcdec.c |  72 +++++++++++++++++-
> libavcodec/hevc/hevcdec.h |   2 +
> libavcodec/hevc/ps.c      | 149 +++++++++++++++++++++++++-------------
> libavcodec/hevc/ps.h      |   6 ++
> libavcodec/hevc/refs.c    |  10 ++-
> 6 files changed, 199 insertions(+), 52 deletions(-)
> 
> -- 
> 2.46.0



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