Re: [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.miro...@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.miro...@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]

+  --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="
  "

+    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"

The following libraries provide various hardware acceleration features: HWACCEL_AUTODETECT_LIBRARY_LIST=" +amf_deps_any="dlopen LoadLibrary"

This should be libdl, and not dlopen.


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

Or rather just LoadLibrary, since it's Windows only? No idea how exactly cygwin works there.

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