[FFmpeg-devel] Added HW H.264 and HEVC encoding for AMD GPUs based on AMF SDK

[Hendrik Leppkes]

On Tue, Nov 7, 2017 at 12:28 AM, Mironov, Mikhail
<Mikhail.Mironov at amd.com> wrote:
>> -----Original Message-----
>> From: ffmpeg-devel [mailto:ffmpeg-devel-bounces at ffmpeg.org] On Behalf
>> Of Michael Niedermayer
>> Sent: November 6, 2017 5:47 PM
>> To: FFmpeg development discussions and patches <ffmpeg-
>> devel at ffmpeg.org>
>> Subject: Re: [FFmpeg-devel] Added HW H.264 and HEVC encoding for AMD
>> GPUs based on AMF SDK
>>
>> On Sat, Nov 04, 2017 at 10:49:44PM -0500, Mikhail Mironov wrote:
>> > From fc6a3f63eb9c3734f4101cee2a2f5707e063ab62 Mon Sep 17 00:00:00
>> 2001
>> > From: mmironov <mikhail.mironov at amd.com>
>> > Date: Fri, 27 Oct 2017 13:03:15 -0400
>> > Subject: [PATCH] Added: HW accelerated H.264 and HEVC encoding for
>> AMD
>> > GPUs  based on AMF SDK
>> >
>> > Signed-off-by: mmironov <mikhail.mironov at amd.com>
>> > ---
>> >  Changelog                |    3 +-
>> >  compat/amd/amfsdkenc.h   | 1753
>> ++++++++++++++++++++++++++++++++++++++++++++++
>> >  configure                |   25 +
>> >  libavcodec/Makefile      |    4 +
>> >  libavcodec/allcodecs.c   |    2 +
>> >  libavcodec/amfenc.c      |  515 ++++++++++++++
>> >  libavcodec/amfenc.h      |  137 ++++
>> >  libavcodec/amfenc_h264.c |  366 ++++++++++  libavcodec/amfenc_hevc.c
>> > |  294 ++++++++
>> >  libavcodec/version.h     |    4 +-
>> >  10 files changed, 3100 insertions(+), 3 deletions(-)  create mode
>> > 100644 compat/amd/amfsdkenc.h  create mode 100644
>> libavcodec/amfenc.c
>> > create mode 100644 libavcodec/amfenc.h  create mode 100644
>> > libavcodec/amfenc_h264.c  create mode 100644 libavcodec/amfenc_hevc.c
>>
>> This seems to fail building in mingw64
>
> This is strange. Just in case: my build setup is described here:
> https://github.com/Xaymar/ffmpeg-amf/blob/master/Build.txt
>
> I also attached full amfsdkenc.h header file in case I made a mistake with git integration.
>
>
>>
>> make
>> CC      libavcodec/amfenc.o
>> In file included from src/libavcodec/amfenc.c:22:0:
>> src/libavutil/hwcontext_d3d11va.h:71:5: error: unknown type name
>> ‘ID3D11VideoDevice’
>>      ID3D11VideoDevice   *video_device;
>>      ^
>> src/libavutil/hwcontext_d3d11va.h:79:5: error: unknown type name
>> ‘ID3D11VideoContext’
>>      ID3D11VideoContext  *video_context;
>>      ^
>
> This is declared in d3d11.h and came with mingw64. Mine version has it:
> msys64new\mingw64\x86_64-w64-mingw32\include\d3d11.h  - attached.
> Is it possible that we use different versions of mingw? Do you have it declared?
>

If you use/rely on hwcontext_d3d11va, you should probably have a
configure dependency on that part being available.

- Hendrik