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

[Timo Rothenpieler]

Am 17.11.2017 um 06:07 schrieb mmironov:
>  From 454aad17fea28e8e4c5abb904341181271971bfc Mon Sep 17 00:00:00 2001
> From: mmironov <mikhail.mironov at amd.com>
> Date: Tue, 14 Nov 2017 17:54:24 -0500
> Subject: [PATCH] Added HW H.264 and HEVC encoding for AMD GPUs based on AMF
>   SDK
> 
> Signed-off-by: mmironov <mikhail.mironov at amd.com>
> ---
>   Changelog                |    1 +
>   compat/amd/amfsdkenc.h   | 1755 ++++++++++++++++++++++++++++++++++++++++++++++
>   configure                |   25 +
>   libavcodec/Makefile      |    4 +
>   libavcodec/allcodecs.c   |    2 +
>   libavcodec/amfenc.c      |  596 ++++++++++++++++
>   libavcodec/amfenc.h      |  143 ++++
>   libavcodec/amfenc_h264.c |  397 +++++++++++
>   libavcodec/amfenc_hevc.c |  327 +++++++++
>   9 files changed, 3250 insertions(+)
>   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
...
> diff --git a/configure b/configure
> index 3788f26..cbec01f 100755
> --- a/configure
> +++ b/configure
> @@ -303,6 +303,7 @@ External library support:
>     --disable-zlib           disable zlib [autodetect]
>   
>     The following libraries provide various hardware acceleration features:
> +  --disable-amf            disable AMF video encoding code [autodetect]
>     --disable-audiotoolbox   disable Apple AudioToolbox code [autodetect]
>     --disable-cuda           disable dynamically linked Nvidia CUDA code [autodetect]
>     --enable-cuda-sdk        enable CUDA features that require the CUDA SDK [no]
> @@ -1639,6 +1640,7 @@ EXTERNAL_LIBRARY_LIST="
>   "
>   
>   HWACCEL_AUTODETECT_LIBRARY_LIST="
> +    amf
>       audiotoolbox
>       crystalhd
>       cuda
> @@ -2781,12 +2783,15 @@ scale_npp_filter_deps="cuda libnpp"
>   scale_cuda_filter_deps="cuda_sdk"
>   thumbnail_cuda_filter_deps="cuda_sdk"
>   
> +amf_deps_any="dlopen LoadLibrary"

This should be libdl, and not dlopen.
Or rather just LoadLibrary, since it's Windows only? No idea how exactly 
cygwin works there.

Sorry for the double-post, was a bit too quick with that first mail.

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