video_core/codecs: (re-spin) refactor ffmpeg searching and handling

.ci/scripts/windows/docker.sh

@@ -41,12 +41,11 @@ for i in package/*.exe; do
 done
 
 pip3 install pefile
-python3 .ci/scripts/windows/scan_dll.py package/*.exe "package/"
+python3 .ci/scripts/windows/scan_dll.py package/*.exe package/imageformats/*.dll "package/"
-python3 .ci/scripts/windows/scan_dll.py package/imageformats/*.dll "package/"
 
 # copy FFmpeg libraries
 EXTERNALS_PATH="$(pwd)/build/externals"
-FFMPEG_DLL_PATH="$(find ${EXTERNALS_PATH} -maxdepth 1 -type d | grep ffmpeg)/bin"
+FFMPEG_DLL_PATH="$(find "${EXTERNALS_PATH}" -maxdepth 1 -type d | grep 'ffmpeg-')/bin"
 find ${FFMPEG_DLL_PATH} -type f -regex ".*\.dll" -exec cp -v {} package/ ';'
 
 # copy libraries from yuzu.exe path

.gitmodules

@@ -34,12 +34,12 @@
 [submodule "opus"]
 	path = externals/opus/opus
 	url = https://github.com/xiph/opus.git
-[submodule "ffmpeg"]
-	path = externals/ffmpeg
-	url = https://git.ffmpeg.org/ffmpeg.git
 [submodule "SDL"]
 	path = externals/SDL
 	url = https://github.com/libsdl-org/SDL.git
 [submodule "externals/cpp-httplib"]
 	path = externals/cpp-httplib
 	url = https://github.com/yhirose/cpp-httplib.git
+[submodule "externals/ffmpeg/ffmpeg"]
+	path = externals/ffmpeg/ffmpeg
+	url = https://git.ffmpeg.org/ffmpeg.git

CMakeLists.txt

@@ -514,7 +514,7 @@ if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
 endif()
 if (NOT YUZU_USE_BUNDLED_FFMPEG)
     # Use system installed FFmpeg
-    find_package(FFmpeg QUIET COMPONENTS ${FFmpeg_COMPONENTS})
+    find_package(FFmpeg 4.3 QUIET COMPONENTS ${FFmpeg_COMPONENTS})
 
     if (FFmpeg_FOUND)
         # Overwrite aggregate defines from FFmpeg module to avoid over-linking libraries.
@@ -527,225 +527,11 @@ if (NOT YUZU_USE_BUNDLED_FFMPEG)
             set(FFmpeg_INCLUDE_DIR ${FFmpeg_INCLUDE_DIR} ${FFmpeg_INCLUDE_${COMPONENT}} CACHE PATH "Path to FFmpeg headers" FORCE)
         endforeach()
     else()
-        message(WARNING "FFmpeg not found, falling back to externals")
+        message(WARNING "FFmpeg not found or too old, falling back to externals")
         set(YUZU_USE_BUNDLED_FFMPEG ON)
     endif()
 endif()
 
-if (YUZU_USE_BUNDLED_FFMPEG)
-    if (NOT WIN32)
-        # TODO(lat9nq): Move this to externals/ffmpeg/CMakeLists.txt (and move externals/ffmpeg to
-        # externals/ffmpeg/ffmpeg)
-
-        # Build FFmpeg from externals
-        message(STATUS "Using FFmpeg from externals")
-
-        # FFmpeg has source that requires one of nasm or yasm to assemble it.
-        # REQUIRED throws an error if not found here during configuration rather than during compilation.
-        find_program(ASSEMBLER NAMES nasm yasm)
-        if ("${ASSEMBLER}" STREQUAL "ASSEMBLER-NOTFOUND")
-            message(FATAL_ERROR "One of either `nasm` or `yasm` not found but is required.")
-        endif()
-
-        find_program(AUTOCONF autoconf)
-        if ("${AUTOCONF}" STREQUAL "AUTOCONF-NOTFOUND")
-            message(FATAL_ERROR "Required program `autoconf` not found.")
-        endif()
-
-        set(FFmpeg_PREFIX ${PROJECT_SOURCE_DIR}/externals/ffmpeg)
-        set(FFmpeg_BUILD_DIR ${PROJECT_BINARY_DIR}/externals/ffmpeg)
-        set(FFmpeg_MAKEFILE ${FFmpeg_BUILD_DIR}/Makefile)
-        make_directory(${FFmpeg_BUILD_DIR})
-
-        # Read version string from external
-        file(READ ${FFmpeg_PREFIX}/RELEASE FFmpeg_VERSION)
-        set(FFmpeg_FOUND NO)
-        if (NOT FFmpeg_VERSION STREQUAL "")
-            set(FFmpeg_FOUND YES)
-        endif()
-
-        unset(FFmpeg_LIBRARIES CACHE)
-        foreach(COMPONENT ${FFmpeg_COMPONENTS})
-            set(FFmpeg_${COMPONENT}_PREFIX "${FFmpeg_BUILD_DIR}/lib${COMPONENT}")
-            set(FFmpeg_${COMPONENT}_LIB_NAME "lib${COMPONENT}.a")
-            set(FFmpeg_${COMPONENT}_LIBRARY "${FFmpeg_${COMPONENT}_PREFIX}/${FFmpeg_${COMPONENT}_LIB_NAME}")
-
-            set(FFmpeg_LIBRARIES
-                ${FFmpeg_LIBRARIES}
-                ${FFmpeg_${COMPONENT}_LIBRARY}
-                CACHE PATH "Paths to FFmpeg libraries" FORCE)
-        endforeach()
-
-        Include(FindPkgConfig REQUIRED)
-        pkg_check_modules(LIBVA libva)
-        pkg_check_modules(CUDA cuda)
-        pkg_check_modules(FFNVCODEC ffnvcodec)
-        pkg_check_modules(VDPAU vdpau)
-
-        set(FFmpeg_HWACCEL_LIBRARIES)
-        set(FFmpeg_HWACCEL_FLAGS)
-        set(FFmpeg_HWACCEL_INCLUDE_DIRS)
-        set(FFmpeg_HWACCEL_LDFLAGS)
-
-        if(LIBVA_FOUND)
-            pkg_check_modules(LIBDRM libdrm REQUIRED)
-            find_package(X11 REQUIRED)
-            pkg_check_modules(LIBVA-DRM libva-drm REQUIRED)
-            pkg_check_modules(LIBVA-X11 libva-x11 REQUIRED)
-            list(APPEND FFmpeg_HWACCEL_LIBRARIES
-                ${LIBDRM_LIBRARIES}
-                ${X11_LIBRARIES}
-                ${LIBVA-DRM_LIBRARIES}
-                ${LIBVA-X11_LIBRARIES}
-                ${LIBVA_LIBRARIES})
-            set(FFmpeg_HWACCEL_FLAGS
-                --enable-hwaccel=h264_vaapi
-                --enable-hwaccel=vp8_vaapi
-                --enable-hwaccel=vp9_vaapi
-                --enable-libdrm)
-            list(APPEND FFmpeg_HWACCEL_INCLUDE_DIRS
-                ${LIBDRM_INCLUDE_DIRS}
-                ${X11_INCLUDE_DIRS}
-                ${LIBVA-DRM_INCLUDE_DIRS}
-                ${LIBVA-X11_INCLUDE_DIRS}
-                ${LIBVA_INCLUDE_DIRS}
-            )
-            message(STATUS "VA-API found")
-        else()
-            set(FFmpeg_HWACCEL_FLAGS --disable-vaapi)
-        endif()
-
-        if (FFNVCODEC_FOUND AND CUDA_FOUND)
-            list(APPEND FFmpeg_HWACCEL_FLAGS
-                --enable-cuvid
-                --enable-ffnvcodec
-                --enable-nvdec
-                --enable-hwaccel=h264_nvdec
-                --enable-hwaccel=vp8_nvdec
-                --enable-hwaccel=vp9_nvdec
-                --extra-cflags=-I${CUDA_INCLUDE_DIRS}
-            )
-            list(APPEND FFmpeg_HWACCEL_LIBRARIES
-                ${FFNVCODEC_LIBRARIES}
-                ${CUDA_LIBRARIES}
-            )
-            list(APPEND FFmpeg_HWACCEL_INCLUDE_DIRS
-                ${FFNVCODEC_INCLUDE_DIRS}
-                ${CUDA_INCLUDE_DIRS}
-            )
-            list(APPEND FFmpeg_HWACCEL_LDFLAGS
-                ${FFNVCODEC_LDFLAGS}
-                ${CUDA_LDFLAGS}
-            )
-            message(STATUS "ffnvcodec libraries version ${FFNVCODEC_VERSION} found")
-        endif()
-
-        if (VDPAU_FOUND)
-            list(APPEND FFmpeg_HWACCEL_FLAGS
-                --enable-vdpau
-                --enable-hwaccel=h264_vdpau
-                --enable-hwaccel=vp9_vdpau
-            )
-            list(APPEND FFmpeg_HWACCEL_LIBRARIES ${VDPAU_LIBRARIES})
-            list(APPEND FFmpeg_HWACCEL_INCLUDE_DIRS ${VDPAU_INCLUDE_DIRS})
-            list(APPEND FFmpeg_HWACCEL_LDFLAGS ${VDPAU_LDFLAGS})
-            message(STATUS "vdpau libraries version ${VDPAU_VERSION} found")
-        else()
-            list(APPEND FFmpeg_HWACCEL_FLAGS --disable-vdpau)
-        endif()
-
-        # `configure` parameters builds only exactly what yuzu needs from FFmpeg
-        # `--disable-vdpau` is needed to avoid linking issues
-        add_custom_command(
-            OUTPUT
-                ${FFmpeg_MAKEFILE}
-            COMMAND
-                /bin/bash ${FFmpeg_PREFIX}/configure
-                    --disable-avdevice
-                    --disable-avfilter
-                    --disable-avformat
-                    --disable-doc
-                    --disable-everything
-                    --disable-ffmpeg
-                    --disable-ffprobe
-                    --disable-network
-                    --disable-postproc
-                    --disable-swresample
-                    --enable-decoder=h264
-                    --enable-decoder=vp8
-                    --enable-decoder=vp9
-                    --cc="${CMAKE_C_COMPILER}"
-                    --cxx="${CMAKE_CXX_COMPILER}"
-                    ${FFmpeg_HWACCEL_FLAGS}
-            WORKING_DIRECTORY
-                ${FFmpeg_BUILD_DIR}
-        )
-        unset(FFmpeg_HWACCEL_FLAGS)
-
-        # Workaround for Ubuntu 18.04's older version of make not being able to call make as a child
-        # with context of the jobserver. Also helps ninja users.
-        execute_process(
-            COMMAND
-                nproc
-            OUTPUT_VARIABLE
-                SYSTEM_THREADS)
-
-        set(FFmpeg_BUILD_LIBRARIES ${FFmpeg_LIBRARIES})
-        add_custom_command(
-            OUTPUT
-                ${FFmpeg_BUILD_LIBRARIES}
-            COMMAND
-                make -j${SYSTEM_THREADS}
-            WORKING_DIRECTORY
-                ${FFmpeg_BUILD_DIR}
-        )
-
-        set(FFmpeg_INCLUDE_DIR
-            "${FFmpeg_PREFIX};${FFmpeg_BUILD_DIR};${FFmpeg_HWACCEL_INCLUDE_DIRS}"
-            CACHE PATH "Path to FFmpeg headers" FORCE)
-
-        set(FFmpeg_LDFLAGS
-            "${FFmpeg_HWACCEL_LDFLAGS}"
-            CACHE STRING "FFmpeg linker flags" FORCE)
-
-        # ALL makes this custom target build every time
-        # but it won't actually build if the DEPENDS parameter is up to date
-        add_custom_target(ffmpeg-configure ALL DEPENDS ${FFmpeg_MAKEFILE})
-        add_custom_target(ffmpeg-build ALL DEPENDS ${FFmpeg_BUILD_LIBRARIES} ffmpeg-configure)
-        link_libraries(${FFmpeg_LIBVA_LIBRARIES})
-        set(FFmpeg_LIBRARIES ${FFmpeg_BUILD_LIBRARIES} ${FFmpeg_HWACCEL_LIBRARIES}
-            CACHE PATH "Paths to FFmpeg libraries" FORCE)
-        unset(FFmpeg_BUILD_LIBRARIES)
-        unset(FFmpeg_HWACCEL_FLAGS)
-        unset(FFmpeg_HWACCEL_INCLUDE_DIRS)
-        unset(FFmpeg_HWACCEL_LDFLAGS)
-        unset(FFmpeg_HWACCEL_LIBRARIES)
-
-        if (FFmpeg_FOUND)
-            message(STATUS "Found FFmpeg version ${FFmpeg_VERSION}")
-        else()
-            message(FATAL_ERROR "FFmpeg not found")
-        endif()
-    else() # WIN32
-        # Use yuzu FFmpeg binaries
-        set(FFmpeg_EXT_NAME "ffmpeg-4.4")
-        set(FFmpeg_PATH "${CMAKE_BINARY_DIR}/externals/${FFmpeg_EXT_NAME}")
-        download_bundled_external("ffmpeg/" ${FFmpeg_EXT_NAME} "")
-        set(FFmpeg_FOUND YES)
-        set(FFmpeg_INCLUDE_DIR "${FFmpeg_PATH}/include" CACHE PATH "Path to FFmpeg headers" FORCE)
-        set(FFmpeg_LIBRARY_DIR "${FFmpeg_PATH}/bin" CACHE PATH "Path to FFmpeg library directory" FORCE)
-        set(FFmpeg_LDFLAGS "" CACHE STRING "FFmpeg linker flags" FORCE)
-        set(FFmpeg_DLL_DIR "${FFmpeg_PATH}/bin" CACHE PATH "Path to FFmpeg dll's" FORCE)
-        set(FFmpeg_LIBRARIES
-            ${FFmpeg_LIBRARY_DIR}/swscale.lib
-            ${FFmpeg_LIBRARY_DIR}/avcodec.lib
-            ${FFmpeg_LIBRARY_DIR}/avutil.lib
-            CACHE PATH "Paths to FFmpeg libraries" FORCE)
-    endif()
-endif()
-
-unset(FFmpeg_COMPONENTS)
-
 # Prefer the -pthread flag on Linux.
 set(THREADS_PREFER_PTHREAD_FLAG ON)
 find_package(Threads REQUIRED)

externals/CMakeLists.txt

@@ -121,3 +121,8 @@ if (NOT opus_FOUND)
     message(STATUS "opus 1.3 or newer not found, falling back to externals")
     add_subdirectory(opus EXCLUDE_FROM_ALL)
 endif()
+
+# FFMpeg
+if (YUZU_USE_BUNDLED_FFMPEG)
+    add_subdirectory(ffmpeg)
+endif()

externals/ffmpeg

@@ -1 +0,0 @@
-Subproject commit 79e8d17024e6c6328a40fcee191ffd70798a9c6e

externals/ffmpeg/CMakeLists.txt

@@ -0,0 +1,209 @@
+if (NOT WIN32)
+    # Build FFmpeg from externals
+    message(STATUS "Using FFmpeg from externals")
+
+    if (CMAKE_SYSTEM_PROCESSOR MATCHES "(x86_64|amd64)")
+        # FFmpeg has source that requires one of nasm or yasm to assemble it.
+        # REQUIRED throws an error if not found here during configuration rather than during compilation.
+        find_program(ASSEMBLER NAMES nasm yasm)
+        if ("${ASSEMBLER}" STREQUAL "ASSEMBLER-NOTFOUND")
+            message(FATAL_ERROR "One of either `nasm` or `yasm` not found but is required.")
+        endif()
+    endif()
+
+    find_program(AUTOCONF autoconf)
+    if ("${AUTOCONF}" STREQUAL "AUTOCONF-NOTFOUND")
+        message(FATAL_ERROR "Required program `autoconf` not found.")
+    endif()
+
+    set(FFmpeg_PREFIX ${PROJECT_SOURCE_DIR}/externals/ffmpeg/ffmpeg)
+    set(FFmpeg_BUILD_DIR ${PROJECT_BINARY_DIR}/externals/ffmpeg-build)
+    set(FFmpeg_MAKEFILE ${FFmpeg_BUILD_DIR}/Makefile)
+    make_directory(${FFmpeg_BUILD_DIR})
+
+    # Read version string from external
+    file(READ ${FFmpeg_PREFIX}/RELEASE FFmpeg_VERSION)
+    set(FFmpeg_FOUND NO)
+    if (NOT FFmpeg_VERSION STREQUAL "")
+        set(FFmpeg_FOUND YES)
+    endif()
+
+    unset(FFmpeg_LIBRARIES CACHE)
+    foreach(COMPONENT ${FFmpeg_COMPONENTS})
+        set(FFmpeg_${COMPONENT}_PREFIX "${FFmpeg_BUILD_DIR}/lib${COMPONENT}")
+        set(FFmpeg_${COMPONENT}_LIB_NAME "lib${COMPONENT}.a")
+        set(FFmpeg_${COMPONENT}_LIBRARY "${FFmpeg_${COMPONENT}_PREFIX}/${FFmpeg_${COMPONENT}_LIB_NAME}")
+
+        set(FFmpeg_LIBRARIES
+            ${FFmpeg_LIBRARIES}
+            ${FFmpeg_${COMPONENT}_LIBRARY}
+            CACHE PATH "Paths to FFmpeg libraries" FORCE)
+    endforeach()
+
+    Include(FindPkgConfig REQUIRED)
+    pkg_check_modules(LIBVA libva)
+    pkg_check_modules(CUDA cuda)
+    pkg_check_modules(FFNVCODEC ffnvcodec)
+    pkg_check_modules(VDPAU vdpau)
+
+    set(FFmpeg_HWACCEL_LIBRARIES)
+    set(FFmpeg_HWACCEL_FLAGS)
+    set(FFmpeg_HWACCEL_INCLUDE_DIRS)
+    set(FFmpeg_HWACCEL_LDFLAGS)
+
+    if(LIBVA_FOUND)
+        pkg_check_modules(LIBDRM libdrm REQUIRED)
+        find_package(X11 REQUIRED)
+        pkg_check_modules(LIBVA-DRM libva-drm REQUIRED)
+        pkg_check_modules(LIBVA-X11 libva-x11 REQUIRED)
+        list(APPEND FFmpeg_HWACCEL_LIBRARIES
+            ${LIBDRM_LIBRARIES}
+            ${X11_LIBRARIES}
+            ${LIBVA-DRM_LIBRARIES}
+            ${LIBVA-X11_LIBRARIES}
+            ${LIBVA_LIBRARIES})
+        set(FFmpeg_HWACCEL_FLAGS
+            --enable-hwaccel=h264_vaapi
+            --enable-hwaccel=vp8_vaapi
+            --enable-hwaccel=vp9_vaapi
+            --enable-libdrm)
+        list(APPEND FFmpeg_HWACCEL_INCLUDE_DIRS
+            ${LIBDRM_INCLUDE_DIRS}
+            ${X11_INCLUDE_DIRS}
+            ${LIBVA-DRM_INCLUDE_DIRS}
+            ${LIBVA-X11_INCLUDE_DIRS}
+            ${LIBVA_INCLUDE_DIRS}
+        )
+        message(STATUS "VA-API found")
+    else()
+        set(FFmpeg_HWACCEL_FLAGS --disable-vaapi)
+    endif()
+
+    if (FFNVCODEC_FOUND)
+        list(APPEND FFmpeg_HWACCEL_FLAGS
+            --enable-cuvid
+            --enable-ffnvcodec
+            --enable-nvdec
+            --enable-hwaccel=h264_nvdec
+            --enable-hwaccel=vp8_nvdec
+            --enable-hwaccel=vp9_nvdec
+        )
+        list(APPEND FFmpeg_HWACCEL_LIBRARIES ${FFNVCODEC_LIBRARIES})
+        list(APPEND FFmpeg_HWACCEL_INCLUDE_DIRS ${FFNVCODEC_INCLUDE_DIRS})
+        list(APPEND FFmpeg_HWACCEL_LDFLAGS ${FFNVCODEC_LDFLAGS})
+        message(STATUS "ffnvcodec libraries version ${FFNVCODEC_VERSION} found")
+        # ffnvenc could load CUDA libraries at the runtime using dlopen/dlsym or LoadLibrary/GetProcAddress
+        # here we handle the hard-linking senario where CUDA is linked during compilation
+        if (CUDA_FOUND)
+            list(APPEND FFmpeg_HWACCEL_FLAGS --extra-cflags=-I${CUDA_INCLUDE_DIRS})
+            list(APPEND FFmpeg_HWACCEL_LIBRARIES ${CUDA_LIBRARIES})
+            list(APPEND FFmpeg_HWACCEL_INCLUDE_DIRS ${CUDA_INCLUDE_DIRS})
+            list(APPEND FFmpeg_HWACCEL_LDFLAGS ${CUDA_LDFLAGS})
+            message(STATUS "CUDA libraries found, hard-linking will be performed")
+        endif(CUDA_FOUND)
+    endif()
+
+    if (VDPAU_FOUND)
+        list(APPEND FFmpeg_HWACCEL_FLAGS
+            --enable-vdpau
+            --enable-hwaccel=h264_vdpau
+            --enable-hwaccel=vp9_vdpau
+        )
+        list(APPEND FFmpeg_HWACCEL_LIBRARIES ${VDPAU_LIBRARIES})
+        list(APPEND FFmpeg_HWACCEL_INCLUDE_DIRS ${VDPAU_INCLUDE_DIRS})
+        list(APPEND FFmpeg_HWACCEL_LDFLAGS ${VDPAU_LDFLAGS})
+        message(STATUS "vdpau libraries version ${VDPAU_VERSION} found")
+    else()
+        list(APPEND FFmpeg_HWACCEL_FLAGS --disable-vdpau)
+    endif()
+
+    # `configure` parameters builds only exactly what yuzu needs from FFmpeg
+    # `--disable-vdpau` is needed to avoid linking issues
+    add_custom_command(
+        OUTPUT
+            ${FFmpeg_MAKEFILE}
+        COMMAND
+            /bin/bash ${FFmpeg_PREFIX}/configure
+                --disable-avdevice
+                --disable-avfilter
+                --disable-avformat
+                --disable-doc
+                --disable-everything
+                --disable-ffmpeg
+                --disable-ffprobe
+                --disable-network
+                --disable-postproc
+                --disable-swresample
+                --enable-decoder=h264
+                --enable-decoder=vp8
+                --enable-decoder=vp9
+                --cc="${CMAKE_C_COMPILER}"
+                --cxx="${CMAKE_CXX_COMPILER}"
+                ${FFmpeg_HWACCEL_FLAGS}
+        WORKING_DIRECTORY
+            ${FFmpeg_BUILD_DIR}
+    )
+    unset(FFmpeg_HWACCEL_FLAGS)
+
+    # Workaround for Ubuntu 18.04's older version of make not being able to call make as a child
+    # with context of the jobserver. Also helps ninja users.
+    execute_process(
+        COMMAND
+            nproc
+        OUTPUT_VARIABLE
+            SYSTEM_THREADS)
+
+    set(FFmpeg_BUILD_LIBRARIES ${FFmpeg_LIBRARIES})
+    add_custom_command(
+        OUTPUT
+            ${FFmpeg_BUILD_LIBRARIES}
+        COMMAND
+            make -j${SYSTEM_THREADS}
+        WORKING_DIRECTORY
+            ${FFmpeg_BUILD_DIR}
+    )
+
+    set(FFmpeg_INCLUDE_DIR
+        "${FFmpeg_PREFIX};${FFmpeg_BUILD_DIR};${FFmpeg_HWACCEL_INCLUDE_DIRS}"
+        CACHE PATH "Path to FFmpeg headers" FORCE)
+
+    set(FFmpeg_LDFLAGS
+        "${FFmpeg_HWACCEL_LDFLAGS}"
+        CACHE STRING "FFmpeg linker flags" FORCE)
+
+    # ALL makes this custom target build every time
+    # but it won't actually build if the DEPENDS parameter is up to date
+    add_custom_target(ffmpeg-configure ALL DEPENDS ${FFmpeg_MAKEFILE})
+    add_custom_target(ffmpeg-build ALL DEPENDS ${FFmpeg_BUILD_LIBRARIES} ffmpeg-configure)
+    link_libraries(${FFmpeg_LIBVA_LIBRARIES})
+    set(FFmpeg_LIBRARIES ${FFmpeg_BUILD_LIBRARIES} ${FFmpeg_HWACCEL_LIBRARIES}
+        CACHE PATH "Paths to FFmpeg libraries" FORCE)
+    unset(FFmpeg_BUILD_LIBRARIES)
+    unset(FFmpeg_HWACCEL_FLAGS)
+    unset(FFmpeg_HWACCEL_INCLUDE_DIRS)
+    unset(FFmpeg_HWACCEL_LDFLAGS)
+    unset(FFmpeg_HWACCEL_LIBRARIES)
+
+    if (FFmpeg_FOUND)
+        message(STATUS "Found FFmpeg version ${FFmpeg_VERSION}")
+    else()
+        message(FATAL_ERROR "FFmpeg not found")
+    endif()
+else(WIN32)
+    # Use yuzu FFmpeg binaries
+    set(FFmpeg_EXT_NAME "ffmpeg-4.4")
+    set(FFmpeg_PATH "${CMAKE_BINARY_DIR}/externals/${FFmpeg_EXT_NAME}")
+    download_bundled_external("ffmpeg/" ${FFmpeg_EXT_NAME} "")
+    set(FFmpeg_FOUND YES)
+    set(FFmpeg_INCLUDE_DIR "${FFmpeg_PATH}/include" CACHE PATH "Path to FFmpeg headers" FORCE)
+    set(FFmpeg_LIBRARY_DIR "${FFmpeg_PATH}/bin" CACHE PATH "Path to FFmpeg library directory" FORCE)
+    set(FFmpeg_LDFLAGS "" CACHE STRING "FFmpeg linker flags" FORCE)
+    set(FFmpeg_DLL_DIR "${FFmpeg_PATH}/bin" CACHE PATH "Path to FFmpeg dll's" FORCE)
+    set(FFmpeg_LIBRARIES
+        ${FFmpeg_LIBRARY_DIR}/swscale.lib
+        ${FFmpeg_LIBRARY_DIR}/avcodec.lib
+        ${FFmpeg_LIBRARY_DIR}/avutil.lib
+        CACHE PATH "Paths to FFmpeg libraries" FORCE)
+endif(WIN32)
+
+unset(FFmpeg_COMPONENTS)

externals/ffmpeg/ffmpeg

@@ -0,0 +1 @@
+Subproject commit dc91b913b6260e85e1304c74ff7bb3c22a8c9fb1

src/video_core/command_classes/codecs/codec.cpp

@@ -130,6 +130,12 @@ bool Codec::CreateGpuAvDevice() {
             }
             if (config->methods & HW_CONFIG_METHOD && config->device_type == type) {
                 av_codec_ctx->pix_fmt = config->pix_fmt;
+                if (config->methods & AV_CODEC_HW_CONFIG_METHOD_HW_FRAMES_CTX) {
+                    // skip zero-copy decoders, we don't currently support them
+                    LOG_DEBUG(Service_NVDRV, "Skipping decoder {} with unsupported capability {}.",
+                              av_hwdevice_get_type_name(type), config->methods);
+                    continue;
+                }
                 LOG_INFO(Service_NVDRV, "Using {} GPU decoder", av_hwdevice_get_type_name(type));
                 return true;
             }