10 files changed, 94 insertions, 13 deletions
diff --git a/build_files/build_environment/CMakeLists.txt b/build_files/build_environment/CMakeLists.txt
index e0350901cd0..856fe7b32ff 100644
--- a/build_files/build_environment/CMakeLists.txt
+++ b/build_files/build_environment/CMakeLists.txt
@@ -139,6 +139,7 @@ if(NOT WIN32 OR ENABLE_MINGW64)
     include(cmake/vpx.cmake)
     include(cmake/x264.cmake)
     include(cmake/xvidcore.cmake)
+    include(cmake/aom.cmake)
     include(cmake/ffmpeg.cmake)
     include(cmake/fftw.cmake)
     include(cmake/sndfile.cmake)
diff --git a/build_files/build_environment/cmake/aom.cmake b/build_files/build_environment/cmake/aom.cmake
new file mode 100644
index 00000000000..9f64439771f
--- /dev/null
+++ b/build_files/build_environment/cmake/aom.cmake
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+if(WIN32)
+  # The default generator on windows is msbuild, which we do not
+  # want to use for this dep, as needs to build with mingw
+  set(AOM_GENERATOR "Ninja")
+  # The default flags are full of MSVC options given this will be
+  # building with mingw, it'll have an unhappy time with that and
+  # we need to clear them out.
+  set(AOM_CMAKE_FLAGS )
+  # CMake will correctly identify phreads being available, however
+  # we do not want to use them, as that gains a dependency on
+  # libpthreadswin.dll which we do not want. when pthreads is not
+  # available oam will use a pthreads emulation layer using win32 threads
+  set(AOM_EXTRA_ARGS_WIN32 -DCMAKE_HAVE_PTHREAD_H=OFF)
+else()
+  set(AOM_GENERATOR "Unix Makefiles")
+  set(AOM_CMAKE_FLAGS ${DEFAULT_CMAKE_FLAGS})
+endif()
+
+set(AOM_EXTRA_ARGS
+  -DENABLE_TESTDATA=OFF
+  -DENABLE_TESTS=OFF
+  -DENABLE_TOOLS=OFF
+  -DENABLE_EXAMPLES=OFF
+  ${AOM_EXTRA_ARGS_WIN32}
+)
+
+# This is slightly different from all other deps in the way that
+# aom uses cmake as a build system, but still needs the environment setup
+# to include perl so we manually setup the environment and call
+# cmake directly for the configure, build and install commands.
+
+ExternalProject_Add(external_aom
+  URL file://${PACKAGE_DIR}/${AOM_FILE}
+  DOWNLOAD_DIR ${DOWNLOAD_DIR}
+  URL_HASH ${AOM_HASH_TYPE}=${AOM_HASH}
+  PREFIX ${BUILD_DIR}/aom
+  CONFIGURE_COMMAND ${CONFIGURE_ENV} &&
+    cd ${BUILD_DIR}/aom/src/external_aom-build/ &&
+    ${CMAKE_COMMAND} -G "${AOM_GENERATOR}" -DCMAKE_INSTALL_PREFIX=${LIBDIR}/aom ${AOM_CMAKE_FLAGS} ${AOM_EXTRA_ARGS} ${BUILD_DIR}/aom/src/external_aom/
+  BUILD_COMMAND ${CMAKE_COMMAND} --build .
+  INSTALL_COMMAND ${CMAKE_COMMAND} --build . --target install
+  INSTALL_DIR ${LIBDIR}/aom
+)
diff --git a/build_files/build_environment/cmake/download.cmake b/build_files/build_environment/cmake/download.cmake
index b7150525a65..547bf77f8dd 100644
--- a/build_files/build_environment/cmake/download.cmake
+++ b/build_files/build_environment/cmake/download.cmake
@@ -116,3 +116,4 @@ download_source(IGC_SPIRV_TOOLS)
 download_source(IGC_SPIRV_TRANSLATOR)
 download_source(GMMLIB)
 download_source(OCLOC)
+download_source(AOM)
diff --git a/build_files/build_environment/cmake/ffmpeg.cmake b/build_files/build_environment/cmake/ffmpeg.cmake
index 4cf96ee2fcb..7730607c514 100644
--- a/build_files/build_environment/cmake/ffmpeg.cmake
+++ b/build_files/build_environment/cmake/ffmpeg.cmake
@@ -1,9 +1,9 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 
-set(FFMPEG_CFLAGS "-I${mingw_LIBDIR}/lame/include -I${mingw_LIBDIR}/openjpeg/include/ -I${mingw_LIBDIR}/ogg/include -I${mingw_LIBDIR}/vorbis/include -I${mingw_LIBDIR}/theora/include -I${mingw_LIBDIR}/opus/include -I${mingw_LIBDIR}/vpx/include -I${mingw_LIBDIR}/x264/include -I${mingw_LIBDIR}/xvidcore/include -I${mingw_LIBDIR}/zlib/include")
-set(FFMPEG_LDFLAGS "-L${mingw_LIBDIR}/lame/lib -L${mingw_LIBDIR}/openjpeg/lib -L${mingw_LIBDIR}/ogg/lib -L${mingw_LIBDIR}/vorbis/lib -L${mingw_LIBDIR}/theora/lib -L${mingw_LIBDIR}/opus/lib -L${mingw_LIBDIR}/vpx/lib -L${mingw_LIBDIR}/x264/lib -L${mingw_LIBDIR}/xvidcore/lib -L${mingw_LIBDIR}/zlib/lib")
+set(FFMPEG_CFLAGS "-I${mingw_LIBDIR}/lame/include -I${mingw_LIBDIR}/openjpeg/include/ -I${mingw_LIBDIR}/ogg/include -I${mingw_LIBDIR}/vorbis/include -I${mingw_LIBDIR}/theora/include -I${mingw_LIBDIR}/opus/include -I${mingw_LIBDIR}/vpx/include -I${mingw_LIBDIR}/x264/include -I${mingw_LIBDIR}/xvidcore/include -I${mingw_LIBDIR}/zlib/include -I${mingw_LIBDIR}/aom/include")
+set(FFMPEG_LDFLAGS "-L${mingw_LIBDIR}/lame/lib -L${mingw_LIBDIR}/openjpeg/lib -L${mingw_LIBDIR}/ogg/lib -L${mingw_LIBDIR}/vorbis/lib -L${mingw_LIBDIR}/theora/lib -L${mingw_LIBDIR}/opus/lib -L${mingw_LIBDIR}/vpx/lib -L${mingw_LIBDIR}/x264/lib -L${mingw_LIBDIR}/xvidcore/lib -L${mingw_LIBDIR}/zlib/lib -L${mingw_LIBDIR}/aom/lib")
 set(FFMPEG_EXTRA_FLAGS --pkg-config-flags=--static --extra-cflags=${FFMPEG_CFLAGS} --extra-ldflags=${FFMPEG_LDFLAGS})
-set(FFMPEG_ENV PKG_CONFIG_PATH=${mingw_LIBDIR}/openjpeg/lib/pkgconfig:${mingw_LIBDIR}/x264/lib/pkgconfig:${mingw_LIBDIR}/vorbis/lib/pkgconfig:${mingw_LIBDIR}/ogg/lib/pkgconfig:${mingw_LIBDIR}:${mingw_LIBDIR}/vpx/lib/pkgconfig:${mingw_LIBDIR}/theora/lib/pkgconfig:${mingw_LIBDIR}/openjpeg/lib/pkgconfig:${mingw_LIBDIR}/opus/lib/pkgconfig:)
+set(FFMPEG_ENV PKG_CONFIG_PATH=${mingw_LIBDIR}/openjpeg/lib/pkgconfig:${mingw_LIBDIR}/x264/lib/pkgconfig:${mingw_LIBDIR}/vorbis/lib/pkgconfig:${mingw_LIBDIR}/ogg/lib/pkgconfig:${mingw_LIBDIR}:${mingw_LIBDIR}/vpx/lib/pkgconfig:${mingw_LIBDIR}/theora/lib/pkgconfig:${mingw_LIBDIR}/openjpeg/lib/pkgconfig:${mingw_LIBDIR}/opus/lib/pkgconfig:${mingw_LIBDIR}/aom/lib/pkgconfig:)
 
 if(WIN32)
   set(FFMPEG_ENV set ${FFMPEG_ENV} &&)
@@ -79,6 +79,7 @@ ExternalProject_Add(external_ffmpeg
     --disable-librtmp
     --enable-libx264
     --enable-libxvid
+    --enable-libaom
     --disable-libopencore-amrnb
     --disable-libopencore-amrwb
     --disable-libdc1394
@@ -125,6 +126,7 @@ add_dependencies(
   external_vorbis
   external_ogg
   external_lame
+  external_aom
 )
 if(WIN32)
   add_dependencies(
diff --git a/build_files/build_environment/cmake/harvest.cmake b/build_files/build_environment/cmake/harvest.cmake
index 2865a5304d7..1572feb9220 100644
--- a/build_files/build_environment/cmake/harvest.cmake
+++ b/build_files/build_environment/cmake/harvest.cmake
@@ -177,6 +177,7 @@ harvest(opus/lib ffmpeg/lib "*.a")
 harvest(vpx/lib ffmpeg/lib "*.a")
 harvest(x264/lib ffmpeg/lib "*.a")
 harvest(xvidcore/lib ffmpeg/lib "*.a")
+harvest(aom/lib ffmpeg/lib "*.a")
 harvest(webp/lib webp/lib "*.a")
 harvest(webp/include webp/include "*.h")
 harvest(usd/include usd/include "*.h")
diff --git a/build_files/build_environment/cmake/versions.cmake b/build_files/build_environment/cmake/versions.cmake
index 42c82b68654..3a37a4372af 100644
--- a/build_files/build_environment/cmake/versions.cmake
+++ b/build_files/build_environment/cmake/versions.cmake
@@ -633,3 +633,9 @@ set(OCLOC_URI https://github.com/intel/compute-runtime/archive/refs/tags/${OCLOC
 set(OCLOC_HASH ab22b8bf2560a57fdd3def0e35a62ca75991406f959c0263abb00cd6cd9ae998)
 set(OCLOC_HASH_TYPE SHA256)
 set(OCLOC_FILE ocloc-${OCLOC_VERSION}.tar.gz)
+
+set(AOM_VERSION 3.4.0)
+set(AOM_URI https://storage.googleapis.com/aom-releases/libaom-${AOM_VERSION}.tar.gz)
+set(AOM_HASH bd754b58c3fa69f3ffd29da77de591bd9c26970e3b18537951336d6c0252e354)
+set(AOM_HASH_TYPE SHA256)
+set(AOM_FILE libaom-${AOM_VERSION}.tar.gz)
diff --git a/build_files/build_environment/cmake/vpx.cmake b/build_files/build_environment/cmake/vpx.cmake
index ba17acad80f..111e93e79e1 100644
--- a/build_files/build_environment/cmake/vpx.cmake
+++ b/build_files/build_environment/cmake/vpx.cmake
@@ -1,11 +1,13 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 
 if(WIN32)
-  if("${CMAKE_SIZEOF_VOID_P}" EQUAL "8")
-    set(VPX_EXTRA_FLAGS --target=x86_64-win64-gcc --disable-multithread)
-  else()
-    set(VPX_EXTRA_FLAGS --target=x86-win32-gcc --disable-multithread)
-  endif()
+  # VPX is determined to use pthreads which it will tell ffmpeg to dynamically
+  # link, which is not something we're super into distribution wise. However
+  # if it cannot find pthread.h it'll happily provide a pthread emulation
+  # layer using win32 threads. So all this patch does is make it not find
+  # pthead.h
+  set(VPX_PATCH ${PATCH_CMD} -p 1 -d ${BUILD_DIR}/vpx/src/external_vpx < ${PATCH_DIR}/vpx_windows.diff)
+  set(VPX_EXTRA_FLAGS --target=x86_64-win64-gcc )
 else()
   if(APPLE)
     if("${CMAKE_OSX_ARCHITECTURES}" STREQUAL "arm64")
@@ -18,6 +20,16 @@ else()
   endif()
 endif()
 
+if(NOT BLENDER_PLATFORM_ARM)
+  list(APPEND VPX_EXTRA_FLAGS
+    --enable-sse4_1
+    --enable-sse3
+    --enable-ssse3
+    --enable-avx
+    --enable-avx2
+  )
+endif()
+
 ExternalProject_Add(external_vpx
   URL file://${PACKAGE_DIR}/${VPX_FILE}
   DOWNLOAD_DIR ${DOWNLOAD_DIR}
@@ -30,11 +42,6 @@ ExternalProject_Add(external_vpx
       --enable-static
       --disable-install-bins
       --disable-install-srcs
-      --disable-sse4_1
-      --disable-sse3
-      --disable-ssse3
-      --disable-avx
-      --disable-avx2
       --disable-unit-tests
       --disable-examples
       --enable-vp8
@@ -42,6 +49,7 @@ ExternalProject_Add(external_vpx
       ${VPX_EXTRA_FLAGS}
   BUILD_COMMAND ${CONFIGURE_ENV} && cd ${BUILD_DIR}/vpx/src/external_vpx/ && make -j${MAKE_THREADS}
   INSTALL_COMMAND ${CONFIGURE_ENV} && cd ${BUILD_DIR}/vpx/src/external_vpx/ && make install
+  PATCH_COMMAND ${VPX_PATCH}
   INSTALL_DIR ${LIBDIR}/vpx
 )
 
diff --git a/build_files/build_environment/patches/vpx_windows.diff b/build_files/build_environment/patches/vpx_windows.diff
new file mode 100644
index 00000000000..13e3b06d95d
--- /dev/null
+++ b/build_files/build_environment/patches/vpx_windows.diff
@@ -0,0 +1,11 @@
+diff -Naur orig/configure external_vpx/configure
+--- orig/configure	2022-07-06 09:22:04 -0600
++++ external_vpx/configure	2022-07-06 09:24:12 -0600
+@@ -270,7 +270,6 @@
+ HAVE_LIST="
+     ${ARCH_EXT_LIST}
+     vpx_ports
+-    pthread_h
+     unistd_h
+ "
+ EXPERIMENT_LIST="
diff --git a/build_files/cmake/platform/platform_apple.cmake b/build_files/cmake/platform/platform_apple.cmake
index 32b10625590..3c77a28d55f 100644
--- a/build_files/cmake/platform/platform_apple.cmake
+++ b/build_files/cmake/platform/platform_apple.cmake
@@ -162,6 +162,9 @@ if(WITH_CODEC_FFMPEG)
     mp3lame ogg opus swresample swscale
     theora theoradec theoraenc vorbis vorbisenc
     vorbisfile vpx x264 xvidcore)
+  if(EXISTS ${LIBDIR}/ffmpeg/lib/libaom.a)
+    list(APPEND FFMPEG_FIND_COMPONENTS aom)
+  endif()
   find_package(FFmpeg)
 endif()
 
diff --git a/build_files/cmake/platform/platform_unix.cmake b/build_files/cmake/platform/platform_unix.cmake
index 4b654420531..d22cf437e59 100644
--- a/build_files/cmake/platform/platform_unix.cmake
+++ b/build_files/cmake/platform/platform_unix.cmake
@@ -202,6 +202,9 @@ if(WITH_CODEC_FFMPEG)
       vpx
       x264
       xvidcore)
+    if(EXISTS ${LIBDIR}/ffmpeg/lib/libaom.a)
+      list(APPEND FFMPEG_FIND_COMPONENTS aom)
+    endif()
   elseif(FFMPEG)
     # Old cache variable used for root dir, convert to new standard.
     set(FFMPEG_ROOT_DIR ${FFMPEG})