[FFmpeg-devel] [PATCH v1 2/2] vaapi: add vaapi_avs2 support

Zhao Zhili quinkblack at foxmail.com
Mon Jan 22 13:56:06 EET 2024



> On Jan 22, 2024, at 08:06, Liu Steven <lq at chinaffmpeg.org> wrote:
> 
> 
> 
>> On Jan 21, 2024, at 22:47, Jianfeng Zheng <ggjogh at gmail.com> wrote:
>> 
>> Zhao Zhili <quinkblack at foxmail.com> 于2024年1月20日周六 12:22写道:
>>> 
>>> 
>>>> -----Original Message-----
>>>> From: ffmpeg-devel <ffmpeg-devel-bounces at ffmpeg.org> On Behalf Of jianfeng.zheng
>>>> Sent: 2024年1月19日 23:53
>>>> To: ffmpeg-devel at ffmpeg.org
>>>> Cc: jianfeng.zheng <jianfeng.zheng at mthreads.com>
>>>> Subject: [FFmpeg-devel] [PATCH v1 2/2] vaapi: add vaapi_avs2 support
>>>> 
>>>> see https://github.com/intel/libva/pull/738
>>>> 
>>>> [Moore Threads](https://www.mthreads.com) (short for Mthreads) is a
>>>> Chinese GPU manufacturer. All our products, like MTTS70/MTTS80/.. ,
>>>> support AVS2 8bit/10bit HW decoding at max 8k resolution.
>>>> 
>>>> Signed-off-by: jianfeng.zheng <jianfeng.zheng at mthreads.com>
>>>> ---
>>>> configure                    |   7 +
>>>> libavcodec/Makefile          |   2 +
>>>> libavcodec/allcodecs.c       |   1 +
>>>> libavcodec/avs2.c            | 345 ++++++++++++++-
>>>> libavcodec/avs2.h            | 460 +++++++++++++++++++-
>>>> libavcodec/avs2_parser.c     |   5 +-
>>>> libavcodec/avs2dec.c         | 569 +++++++++++++++++++++++++
>>>> libavcodec/avs2dec.h         |  48 +++
>>>> libavcodec/avs2dec_headers.c | 787 +++++++++++++++++++++++++++++++++++
>>>> libavcodec/codec_desc.c      |   5 +-
>>>> libavcodec/defs.h            |   4 +
>>>> libavcodec/hwaccels.h        |   1 +
>>>> libavcodec/libdavs2.c        |   2 +-
>>>> libavcodec/profiles.c        |   6 +
>>>> libavcodec/profiles.h        |   1 +
>>>> libavcodec/vaapi_avs2.c      | 227 ++++++++++
>>>> libavcodec/vaapi_decode.c    |   5 +
>>>> libavformat/matroska.c       |   1 +
>>>> libavformat/mpeg.h           |   1 +
>>>> 19 files changed, 2450 insertions(+), 27 deletions(-)
>>>> create mode 100644 libavcodec/avs2dec.c
>>>> create mode 100644 libavcodec/avs2dec.h
>>>> create mode 100644 libavcodec/avs2dec_headers.c
>>>> create mode 100644 libavcodec/vaapi_avs2.c
>>>> 
>>> 
>>> Please split the patch properly. It's hard to review in a single chunk, and it can't be tested
>>> without the hardware.
>> 
>> As a new player in the GPU market, we have always attached great importance
>> to the participation of the open source community. And willing to feed back our
>> new features to the field of video hardware acceleration.
>> 
>> As a pioneer, these new features may only be supported by our hardware
>> at current
>> time. We are willing to provide some market selling devices for free
>> to community
>> accredited contributors for testing related functions.
> I accredited Zhili Zhao, but i cannot sure Zhili Zhao have interest in the GPU card and not sure he has a computer can insert a PCI GPU card:D

I have done a little work on AVS/AVS2/AVS3 and some hardware acceleration work.
I have a Lenovo 7000K and Dell Precision 3640, and I’m more concerned about driver.

> 
>> 
>>> 
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