feat: nvenc and amf support for windows

README.md

@@ -9,3 +9,7 @@ This project builds the LGPL 2.1 version of ffmpeg, including OpenH264
 
 ./build.sh # build ffmpeg from source
 ```
+
+## Credits
+
+- mfx_dispatch patches from [vcpkg](https://github.com/microsoft/vcpkg)

build-win32.sh

@@ -1,3 +1,3 @@
-TOOLCHAIN=i686-w64-mingw32
+source win-env.sh
 
 FFMPEG_OS=win32 FFMPEG_MSBUILD=1 OPENH264_ARCH=i686 OPENH264_OS=msvc CC=cl CXX=cl AR=lib bash build.sh --arch i686

build-win64.sh

@@ -1,3 +1,3 @@
-TOOLCHAIN=x86_64-w64-mingw32
+source win-env.sh
 
 FFMPEG_OS=win64 FFMPEG_MSBUILD=1 OPENH264_ARCH=x86_64 OPENH264_OS=msvc CC=cl CXX=cl AR=lib bash build.sh --arch x86_64

build.sh

@@ -22,11 +22,19 @@ export PREFIX=$workDir/prefix
 export PKG_CONFIG_DIR=$PREFIX/lib/pkgconfig
 export PKG_CONFIG_PATH=$PKG_CONFIG_DIR
 
-rm -rf $PREFIX
-mkdir -p $PREFIX
+#rm -rf $PREFIX
+#mkdir -p $PREFIX
 
 mkdir -p $workDir
 mkdir -p $outDir
 
+case $FFBUILD_PLATFORM in
+  win)
+    bash scripts/build-ffnvcodec.sh
+    # disabled due to build error
+    # bash scripts/build-libmfx.sh
+    ;;
+esac
+
 bash scripts/build-openh264.sh
 bash scripts/build-ffmpeg.sh

patches/mfx.patch

@@ -0,0 +1,99 @@
+Subject: [PATCH] fix for vcpkg
+fix missing mfx_driver_store_loader related symbols
+---
+Index: CMakeLists.txt
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+--- a/CMakeLists.txt	(revision 7e4d221c36c630c1250b23a5dfa15657bc04c10c)
++++ b/CMakeLists.txt	(revision 5ebef171699530ca01594a5cef10a68811f4d105)
+@@ -40,6 +39,7 @@
+     src/mfx_load_plugin.cpp
+     src/mfx_plugin_hive.cpp
+     src/mfx_win_reg_key.cpp
++    src/mfx_driver_store_loader.cpp
+   )
+ endif (CMAKE_SYSTEM_NAME MATCHES "Windows")
+ 
+@@ -56,6 +56,12 @@
+ configure_file (${CMAKE_SOURCE_DIR}/libmfx.pc.cmake ${CMAKE_BINARY_DIR}/libmfx.pc @ONLY)
+ 
+ add_library( mfx STATIC ${SOURCES} )
++
++if (CMAKE_SYSTEM_NAME MATCHES "Windows")
++  set_target_properties(mfx
++          PROPERTIES PREFIX lib)
++endif (CMAKE_SYSTEM_NAME MATCHES "Windows")
++
+ install (DIRECTORY ${CMAKE_SOURCE_DIR}/mfx DESTINATION ${CMAKE_INSTALL_PREFIX}/include FILES_MATCHING PATTERN "*.h")
+ install (FILES ${CMAKE_BINARY_DIR}/libmfx.pc DESTINATION ${CMAKE_INSTALL_PREFIX}/lib/pkgconfig)
+ install (TARGETS mfx ARCHIVE DESTINATION ${CMAKE_INSTALL_PREFIX}/lib)
+Index: libmfx.pc.cmake
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/libmfx.pc.cmake b/libmfx.pc.cmake
+--- a/libmfx.pc.cmake	(revision 7e4d221c36c630c1250b23a5dfa15657bc04c10c)
++++ b/libmfx.pc.cmake	(revision 388559e9e8234eb0989e1598a9beea4035a04132)
+@@ -9,6 +9,6 @@
+ Requires:
+ Requires.private:
+ Conflicts:
+-Libs: -L${libdir} -lsupc++ ${libdir}/libmfx.a
++Libs: -L${libdir} -lsupc++ ${libdir}/libmfx.lib
+ Libs.private:
+ Cflags: -I${includedir} -I@INTELMEDIASDK_PATH@
+Index: src/mfx_driver_store_loader.cpp
+IDEA additional info:
+Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
+<+>UTF-8
+===================================================================
+diff --git a/src/mfx_driver_store_loader.cpp b/src/mfx_driver_store_loader.cpp
+--- a/src/mfx_driver_store_loader.cpp	(revision 388559e9e8234eb0989e1598a9beea4035a04132)
++++ b/src/mfx_driver_store_loader.cpp	(revision 5ebef171699530ca01594a5cef10a68811f4d105)
+@@ -24,6 +24,8 @@
+ #include "mfx_dispatcher_log.h"
+ #include "mfx_load_dll.h"
+ 
++#pragma comment(lib, "Ole32.lib")
++
+ namespace MFX
+ {
+ 
+
+===================================================================
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 9446bc4..a8a3288 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -3,16 +3,7 @@ cmake_minimum_required(VERSION 2.6)
+ project( libmfx )
+ 
+ # FIXME Adds support for using system/other install of intel media sdk
+-find_path ( INTELMEDIASDK_PATH mfx/mfxvideo.h
+-  HINTS "${CMAKE_SOURCE_DIR}"
+-)
+-
+-if (INTELMEDIASDK_PATH_NOTFOUND)
+-  message( FATAL_ERROR "Intel MEDIA SDK include not found" )
+-else (INTELMEDIASDK_PATH_NOTFOUND)
+-  message(STATUS "Intel Media SDK is here: ${INTELMEDIASDK_PATH}")
+-endif (INTELMEDIASDK_PATH_NOTFOUND)
+-
++set(INTELMEDIASDK_PATH "${CMAKE_CURRENT_LIST_DIR}")
+ 
+ set(SOURCES
+   src/main.cpp
+diff --git a/libmfx.pc.cmake b/libmfx.pc.cmake
+index fabb541..5d248fe 100644
+--- a/libmfx.pc.cmake
++++ b/libmfx.pc.cmake
+@@ -11,4 +11,4 @@ Requires.private:
+ Conflicts:
+ Libs: -L${libdir} -lsupc++ ${libdir}/libmfx.lib
+ Libs.private:
+-Cflags: -I${includedir} -I@INTELMEDIASDK_PATH@
++Cflags: -I${includedir}

scripts/build-ffmpeg.sh

@@ -1,9 +1,15 @@
 export ffmpegPath=$workDir/ffmpeg
+export amfPath=$workDir/amf
+# export CFLAGS=-L$PREFIX/lib
 
 git clone https://github.com/FFmpeg/FFmpeg -b release/6.0 $ffmpegPath --depth 1
 
+git clone https://github.com/GPUOpen-LibrariesAndSDKs/AMF -b v1.4.29 $amfPath --depth 1
+
 cd $ffmpegPath
 
+cp -r $amfPath/amf/public/include $PREFIX/include/AMF
+
 make distclean
 
 flags="--cc=$CC --cxx=$CXX"
@@ -17,7 +23,9 @@ fi
   --enable-libopenh264 \
   --prefix=$PREFIX --enable-cross-compile --arch=$ARCH \
   --pkg-config-flags="--static" --target-os=$FFMPEG_OS \
-  ${flags}
+  --extra-ldflags="-libpath:$PREFIX/lib" \
+  --extra-cflags="-I$PREFIX/include/mfx" \
+  ${flags} ${FFBUILD_FLAGS}
 
 make -j$JOBS
 

scripts/build-ffnvcodec.sh

@@ -0,0 +1,7 @@
+projectPath=$workDir/nv-codec-headers
+
+git clone https://github.com/FFmpeg/nv-codec-headers $projectPath --depth 1
+
+cd $projectPath
+
+make install PREFIX=$PREFIX

scripts/build-libmfx.sh

@@ -0,0 +1,26 @@
+projectDir=$workDir/mfx
+
+# git clone https://github.com/lu-zero/mfx_dispatch $projectDir --depth 1
+
+rm -rf $projectDir
+
+mkdir $projectDir
+cd $projectDir
+
+git init
+git remote add origin https://github.com/lu-zero/mfx_dispatch
+git fetch --depth 1 origin 5a3f178be7f406cec920b9f52f46c1ae29f29bb2
+git checkout FETCH_HEAD
+
+git apply ../../patches/mfx.patch
+
+rm -rf build
+mkdir build
+
+cd build
+
+cmake -DCMAKE_INSTALL_PREFIX=$PREFIX -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_FLAGS=-m32 -DCMAKE_C_FLAGS=-m32 -DCMAKE_GENERATOR_PLATFORM=x86 ..
+
+cmake --build . --config Release
+
+cmake --install .

scripts/build-openh264.sh

@@ -18,7 +18,7 @@ cd $projectDir
 
 args="PREFIX=$PREFIX OS=$OPENH264_OS ARCH=$OPENH264_ARCH CC=$CC CXX=$CXX AR=$AR"
 
-make clean
+# make clean
 
 make -j$JOBS $args
 

win-env.sh

@@ -0,0 +1,2 @@
+export FFBUILD_FLAGS="--enable-ffnvcodec --enable-dxva2 --enable-amf"
+export FFBUILD_PLATFORM="win"