nvdec: Implement VA-API hardware video acceleration (#6713)
* nvdec: VA-API * Verify formatting * Forgot a semicolon for Windows * Clarify comment about AV_PIX_FMT_NV12 * Fix assert log spam from missing negation * vic: Remove forgotten debug code * Address lioncash's review * Mention VA-API is Intel/AMD * Address v1993's review * Hopefully fix CMakeLists style this time * vic: Improve cache locality * vic: Fix off-by-one error * codec: Async * codec: Forgot the GetValue() * nvdec: Address ameerj's review * codec: Fallback to CPU without VA-API support * cmake: Address lat9nq's review * cmake: Make VA-API optional * vaapi: Multiple GPU * Apply suggestions from code review Co-authored-by: Ameer J <52414509+ameerj@users.noreply.github.com> * nvdec: Address ameerj's review * codec: Use anonymous instead of static * nvdec: Remove enum and fix memory leak * nvdec: Address ameerj's review * codec: Remove preparation for threading Co-authored-by: Ameer J <52414509+ameerj@users.noreply.github.com>
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@ -583,8 +583,32 @@ if (YUZU_USE_BUNDLED_FFMPEG)
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"${FFmpeg_PREFIX};${FFmpeg_BUILD_DIR}"
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CACHE PATH "Path to FFmpeg headers" FORCE)
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if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
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Include(FindPkgConfig REQUIRED)
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pkg_check_modules(LIBVA libva)
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endif()
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if(LIBVA_FOUND)
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pkg_check_modules(LIBDRM libdrm REQUIRED)
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find_package(X11 REQUIRED)
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pkg_check_modules(LIBVA-DRM libva-drm REQUIRED)
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pkg_check_modules(LIBVA-X11 libva-x11 REQUIRED)
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set(FFmpeg_LIBVA_LIBRARIES
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${LIBDRM_LIBRARIES}
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${X11_LIBRARIES}
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${LIBVA-DRM_LIBRARIES}
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${LIBVA-X11_LIBRARIES}
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${LIBVA_LIBRARIES})
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set(FFmpeg_HWACCEL_FLAGS
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--enable-hwaccel=h264_vaapi
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--enable-hwaccel=vp9_vaapi
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--enable-libdrm)
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message(STATUS "VA-API found")
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else()
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set(FFmpeg_HWACCEL_FLAGS --disable-vaapi)
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endif()
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# `configure` parameters builds only exactly what yuzu needs from FFmpeg
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# `--disable-{vaapi,vdpau}` is needed to avoid linking issues
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# `--disable-vdpau` is needed to avoid linking issues
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add_custom_command(
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OUTPUT
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${FFmpeg_MAKEFILE}
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@ -600,15 +624,16 @@ if (YUZU_USE_BUNDLED_FFMPEG)
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--disable-network
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--disable-postproc
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--disable-swresample
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--disable-vaapi
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--disable-vdpau
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--enable-decoder=h264
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--enable-decoder=vp9
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--cc="${CMAKE_C_COMPILER}"
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--cxx="${CMAKE_CXX_COMPILER}"
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${FFmpeg_HWACCEL_FLAGS}
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WORKING_DIRECTORY
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${FFmpeg_BUILD_DIR}
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)
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unset(FFmpeg_HWACCEL_FLAGS)
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# Workaround for Ubuntu 18.04's older version of make not being able to call make as a child
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# with context of the jobserver. Also helps ninja users.
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@ -618,9 +643,10 @@ if (YUZU_USE_BUNDLED_FFMPEG)
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OUTPUT_VARIABLE
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SYSTEM_THREADS)
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set(FFmpeg_BUILD_LIBRARIES ${FFmpeg_LIBRARIES})
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add_custom_command(
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OUTPUT
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${FFmpeg_LIBRARIES}
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${FFmpeg_BUILD_LIBRARIES}
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COMMAND
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make -j${SYSTEM_THREADS}
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WORKING_DIRECTORY
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@ -630,7 +656,12 @@ if (YUZU_USE_BUNDLED_FFMPEG)
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# ALL makes this custom target build every time
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# but it won't actually build if the DEPENDS parameter is up to date
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add_custom_target(ffmpeg-configure ALL DEPENDS ${FFmpeg_MAKEFILE})
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add_custom_target(ffmpeg-build ALL DEPENDS ${FFmpeg_LIBRARIES} ffmpeg-configure)
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add_custom_target(ffmpeg-build ALL DEPENDS ${FFmpeg_BUILD_LIBRARIES} ffmpeg-configure)
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link_libraries(${FFmpeg_LIBVA_LIBRARIES})
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set(FFmpeg_LIBRARIES ${FFmpeg_LIBVA_LIBRARIES} ${FFmpeg_BUILD_LIBRARIES}
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CACHE PATH "Paths to FFmpeg libraries" FORCE)
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unset(FFmpeg_BUILD_LIBRARIES)
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unset(FFmpeg_LIBVA_LIBRARIES)
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if (FFmpeg_FOUND)
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message(STATUS "Found FFmpeg version ${FFmpeg_VERSION}")
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@ -1,5 +1,10 @@
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add_subdirectory(host_shaders)
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if(LIBVA_FOUND)
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set_source_files_properties(command_classes/codecs/codec.cpp
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PROPERTIES COMPILE_DEFINITIONS LIBVA_FOUND=1)
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endif()
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add_library(video_core STATIC
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buffer_cache/buffer_base.h
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buffer_cache/buffer_cache.cpp
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@ -2,7 +2,6 @@
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <cstring>
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#include <fstream>
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#include <vector>
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#include "common/assert.h"
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@ -17,10 +16,47 @@ extern "C" {
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}
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namespace Tegra {
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#if defined(LIBVA_FOUND)
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// Hardware acceleration code from FFmpeg/doc/examples/hw_decode.c originally under MIT license
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namespace {
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constexpr std::array<const char*, 2> VAAPI_DRIVERS = {
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"i915",
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"amdgpu",
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};
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AVPixelFormat GetHwFormat(AVCodecContext*, const AVPixelFormat* pix_fmts) {
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for (const AVPixelFormat* p = pix_fmts; *p != AV_PIX_FMT_NONE; ++p) {
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if (*p == AV_PIX_FMT_VAAPI) {
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return AV_PIX_FMT_VAAPI;
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}
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}
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LOG_INFO(Service_NVDRV, "Could not find compatible GPU AV format, falling back to CPU");
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return *pix_fmts;
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}
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bool CreateVaapiHwdevice(AVBufferRef** av_hw_device) {
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AVDictionary* hwdevice_options = nullptr;
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av_dict_set(&hwdevice_options, "connection_type", "drm", 0);
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for (const auto& driver : VAAPI_DRIVERS) {
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av_dict_set(&hwdevice_options, "kernel_driver", driver, 0);
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const int hwdevice_error = av_hwdevice_ctx_create(av_hw_device, AV_HWDEVICE_TYPE_VAAPI,
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nullptr, hwdevice_options, 0);
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if (hwdevice_error >= 0) {
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LOG_INFO(Service_NVDRV, "Using VA-API with {}", driver);
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av_dict_free(&hwdevice_options);
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return true;
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}
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LOG_DEBUG(Service_NVDRV, "VA-API av_hwdevice_ctx_create failed {}", hwdevice_error);
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}
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LOG_DEBUG(Service_NVDRV, "VA-API av_hwdevice_ctx_create failed for all drivers");
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av_dict_free(&hwdevice_options);
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return false;
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}
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} // namespace
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#endif
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void AVFrameDeleter(AVFrame* ptr) {
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av_frame_unref(ptr);
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av_free(ptr);
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av_frame_free(&ptr);
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}
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Codec::Codec(GPU& gpu_, const NvdecCommon::NvdecRegisters& regs)
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@ -32,19 +68,31 @@ Codec::~Codec() {
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return;
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}
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// Free libav memory
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AVFrame* av_frame{nullptr};
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avcodec_send_packet(av_codec_ctx, nullptr);
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av_frame = av_frame_alloc();
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AVFrame* av_frame = av_frame_alloc();
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avcodec_receive_frame(av_codec_ctx, av_frame);
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avcodec_flush_buffers(av_codec_ctx);
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av_frame_unref(av_frame);
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av_free(av_frame);
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av_frame_free(&av_frame);
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avcodec_close(av_codec_ctx);
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av_buffer_unref(&av_hw_device);
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}
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void Codec::InitializeHwdec() {
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// Prioritize integrated GPU to mitigate bandwidth bottlenecks
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#if defined(LIBVA_FOUND)
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if (CreateVaapiHwdevice(&av_hw_device)) {
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const auto hw_device_ctx = av_buffer_ref(av_hw_device);
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ASSERT_MSG(hw_device_ctx, "av_buffer_ref failed");
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av_codec_ctx->hw_device_ctx = hw_device_ctx;
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av_codec_ctx->get_format = GetHwFormat;
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return;
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}
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#endif
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// TODO more GPU accelerated decoders
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}
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void Codec::Initialize() {
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AVCodecID codec{AV_CODEC_ID_NONE};
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AVCodecID codec;
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switch (current_codec) {
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case NvdecCommon::VideoCodec::H264:
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codec = AV_CODEC_ID_H264;
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@ -53,22 +101,24 @@ void Codec::Initialize() {
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codec = AV_CODEC_ID_VP9;
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break;
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default:
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UNIMPLEMENTED_MSG("Unknown codec {}", current_codec);
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return;
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}
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av_codec = avcodec_find_decoder(codec);
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av_codec_ctx = avcodec_alloc_context3(av_codec);
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av_opt_set(av_codec_ctx->priv_data, "tune", "zerolatency", 0);
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// TODO(ameerj): libavcodec gpu hw acceleration
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InitializeHwdec();
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if (!av_codec_ctx->hw_device_ctx) {
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LOG_INFO(Service_NVDRV, "Using FFmpeg software decoding");
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}
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const auto av_error = avcodec_open2(av_codec_ctx, av_codec, nullptr);
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if (av_error < 0) {
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LOG_ERROR(Service_NVDRV, "avcodec_open2() Failed.");
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avcodec_close(av_codec_ctx);
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av_buffer_unref(&av_hw_device);
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return;
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}
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initialized = true;
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return;
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}
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void Codec::SetTargetCodec(NvdecCommon::VideoCodec codec) {
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@ -80,36 +130,64 @@ void Codec::SetTargetCodec(NvdecCommon::VideoCodec codec) {
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void Codec::Decode() {
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const bool is_first_frame = !initialized;
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if (!initialized) {
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if (is_first_frame) {
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Initialize();
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}
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bool vp9_hidden_frame = false;
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AVPacket packet{};
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av_init_packet(&packet);
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std::vector<u8> frame_data;
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if (current_codec == NvdecCommon::VideoCodec::H264) {
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frame_data = h264_decoder->ComposeFrameHeader(state, is_first_frame);
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} else if (current_codec == NvdecCommon::VideoCodec::Vp9) {
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frame_data = vp9_decoder->ComposeFrameHeader(state);
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vp9_hidden_frame = vp9_decoder->WasFrameHidden();
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}
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AVPacket packet{};
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av_init_packet(&packet);
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packet.data = frame_data.data();
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packet.size = static_cast<s32>(frame_data.size());
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avcodec_send_packet(av_codec_ctx, &packet);
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if (!vp9_hidden_frame) {
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// Only receive/store visible frames
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AVFramePtr frame = AVFramePtr{av_frame_alloc(), AVFrameDeleter};
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avcodec_receive_frame(av_codec_ctx, frame.get());
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av_frames.push(std::move(frame));
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// Limit queue to 10 frames. Workaround for ZLA decode and queue spam
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if (av_frames.size() > 10) {
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av_frames.pop();
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}
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if (const int ret = avcodec_send_packet(av_codec_ctx, &packet); ret) {
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LOG_DEBUG(Service_NVDRV, "avcodec_send_packet error {}", ret);
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return;
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}
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// Only receive/store visible frames
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if (vp9_hidden_frame) {
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return;
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}
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AVFrame* hw_frame = av_frame_alloc();
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AVFrame* sw_frame = hw_frame;
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ASSERT_MSG(hw_frame, "av_frame_alloc hw_frame failed");
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if (const int ret = avcodec_receive_frame(av_codec_ctx, hw_frame); ret) {
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LOG_DEBUG(Service_NVDRV, "avcodec_receive_frame error {}", ret);
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av_frame_free(&hw_frame);
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return;
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}
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if (!hw_frame->width || !hw_frame->height) {
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LOG_WARNING(Service_NVDRV, "Zero width or height in frame");
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av_frame_free(&hw_frame);
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return;
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}
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#if defined(LIBVA_FOUND)
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// Hardware acceleration code from FFmpeg/doc/examples/hw_decode.c under MIT license
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if (hw_frame->format == AV_PIX_FMT_VAAPI) {
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sw_frame = av_frame_alloc();
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ASSERT_MSG(sw_frame, "av_frame_alloc sw_frame failed");
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// Can't use AV_PIX_FMT_YUV420P and share code with software decoding in vic.cpp
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// because Intel drivers crash unless using AV_PIX_FMT_NV12
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sw_frame->format = AV_PIX_FMT_NV12;
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const int transfer_data_ret = av_hwframe_transfer_data(sw_frame, hw_frame, 0);
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ASSERT_MSG(!transfer_data_ret, "av_hwframe_transfer_data error {}", transfer_data_ret);
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av_frame_free(&hw_frame);
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}
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#endif
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if (sw_frame->format != AV_PIX_FMT_YUV420P && sw_frame->format != AV_PIX_FMT_NV12) {
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UNIMPLEMENTED_MSG("Unexpected video format from host graphics: {}", sw_frame->format);
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av_frame_free(&sw_frame);
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return;
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}
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av_frames.push(AVFramePtr{sw_frame, AVFrameDeleter});
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if (av_frames.size() > 10) {
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LOG_TRACE(Service_NVDRV, "av_frames.push overflow dropped frame");
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av_frames.pop();
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}
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}
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@ -119,7 +197,6 @@ AVFramePtr Codec::GetCurrentFrame() {
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if (av_frames.empty()) {
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return AVFramePtr{nullptr, AVFrameDeleter};
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}
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AVFramePtr frame = std::move(av_frames.front());
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av_frames.pop();
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return frame;
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@ -144,6 +221,5 @@ std::string_view Codec::GetCurrentCodecName() const {
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default:
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return "Unknown";
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}
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};
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}
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} // namespace Tegra
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@ -22,7 +22,6 @@ extern "C" {
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namespace Tegra {
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class GPU;
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struct VicRegisters;
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void AVFrameDeleter(AVFrame* ptr);
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using AVFramePtr = std::unique_ptr<AVFrame, decltype(&AVFrameDeleter)>;
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@ -55,10 +54,13 @@ public:
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[[nodiscard]] std::string_view GetCurrentCodecName() const;
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private:
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void InitializeHwdec();
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bool initialized{};
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NvdecCommon::VideoCodec current_codec{NvdecCommon::VideoCodec::None};
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AVCodec* av_codec{nullptr};
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AVBufferRef* av_hw_device{nullptr};
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AVCodecContext* av_codec_ctx{nullptr};
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GPU& gpu;
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@ -46,11 +46,8 @@ void Vic::ProcessMethod(Method method, u32 argument) {
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case Method::SetOutputSurfaceLumaOffset:
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output_surface_luma_address = arg;
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break;
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case Method::SetOutputSurfaceChromaUOffset:
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output_surface_chroma_u_address = arg;
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break;
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case Method::SetOutputSurfaceChromaVOffset:
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output_surface_chroma_v_address = arg;
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case Method::SetOutputSurfaceChromaOffset:
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output_surface_chroma_address = arg;
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break;
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default:
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break;
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@ -65,11 +62,10 @@ void Vic::Execute() {
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const VicConfig config{gpu.MemoryManager().Read<u64>(config_struct_address + 0x20)};
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const AVFramePtr frame_ptr = nvdec_processor->GetFrame();
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const auto* frame = frame_ptr.get();
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if (!frame || frame->width == 0 || frame->height == 0) {
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if (!frame) {
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return;
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}
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const VideoPixelFormat pixel_format =
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static_cast<VideoPixelFormat>(config.pixel_format.Value());
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const auto pixel_format = static_cast<VideoPixelFormat>(config.pixel_format.Value());
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switch (pixel_format) {
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case VideoPixelFormat::BGRA8:
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case VideoPixelFormat::RGBA8: {
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@ -83,16 +79,18 @@ void Vic::Execute() {
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sws_freeContext(scaler_ctx);
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scaler_ctx = nullptr;
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// FFmpeg returns all frames in YUV420, convert it into expected format
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scaler_ctx =
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sws_getContext(frame->width, frame->height, AV_PIX_FMT_YUV420P, frame->width,
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frame->height, target_format, 0, nullptr, nullptr, nullptr);
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// Frames are decoded into either YUV420 or NV12 formats. Convert to desired format
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scaler_ctx = sws_getContext(frame->width, frame->height,
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static_cast<AVPixelFormat>(frame->format), frame->width,
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frame->height, target_format, 0, nullptr, nullptr, nullptr);
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scaler_width = frame->width;
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scaler_height = frame->height;
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}
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// Get Converted frame
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const std::size_t linear_size = frame->width * frame->height * 4;
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const u32 width = static_cast<u32>(frame->width);
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const u32 height = static_cast<u32>(frame->height);
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const std::size_t linear_size = width * height * 4;
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// Only allocate frame_buffer once per stream, as the size is not expected to change
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if (!converted_frame_buffer) {
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@ -109,11 +107,10 @@ void Vic::Execute() {
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if (blk_kind != 0) {
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// swizzle pitch linear to block linear
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const u32 block_height = static_cast<u32>(config.block_linear_height_log2);
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const auto size = Tegra::Texture::CalculateSize(true, 4, frame->width, frame->height, 1,
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block_height, 0);
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const auto size =
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Tegra::Texture::CalculateSize(true, 4, width, height, 1, block_height, 0);
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luma_buffer.resize(size);
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Tegra::Texture::SwizzleSubrect(frame->width, frame->height, frame->width * 4,
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frame->width, 4, luma_buffer.data(),
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Tegra::Texture::SwizzleSubrect(width, height, width * 4, width, 4, luma_buffer.data(),
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converted_frame_buffer.get(), block_height, 0, 0);
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gpu.MemoryManager().WriteBlock(output_surface_luma_address, luma_buffer.data(), size);
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@ -131,41 +128,65 @@ void Vic::Execute() {
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const std::size_t surface_height = config.surface_height_minus1 + 1;
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const auto frame_width = std::min(surface_width, static_cast<size_t>(frame->width));
|
||||
const auto frame_height = std::min(surface_height, static_cast<size_t>(frame->height));
|
||||
const std::size_t half_width = frame_width / 2;
|
||||
const std::size_t half_height = frame_height / 2;
|
||||
const std::size_t aligned_width = (surface_width + 0xff) & ~0xff;
|
||||
const std::size_t aligned_width = (surface_width + 0xff) & ~0xffUL;
|
||||
|
||||
const auto* luma_ptr = frame->data[0];
|
||||
const auto* chroma_b_ptr = frame->data[1];
|
||||
const auto* chroma_r_ptr = frame->data[2];
|
||||
const auto stride = static_cast<size_t>(frame->linesize[0]);
|
||||
const auto half_stride = static_cast<size_t>(frame->linesize[1]);
|
||||
|
||||
luma_buffer.resize(aligned_width * surface_height);
|
||||
chroma_buffer.resize(aligned_width * surface_height / 2);
|
||||
|
||||
// Populate luma buffer
|
||||
const u8* luma_src = frame->data[0];
|
||||
for (std::size_t y = 0; y < frame_height; ++y) {
|
||||
const std::size_t src = y * stride;
|
||||
const std::size_t dst = y * aligned_width;
|
||||
for (std::size_t x = 0; x < frame_width; ++x) {
|
||||
luma_buffer[dst + x] = luma_ptr[src + x];
|
||||
luma_buffer[dst + x] = luma_src[src + x];
|
||||
}
|
||||
}
|
||||
gpu.MemoryManager().WriteBlock(output_surface_luma_address, luma_buffer.data(),
|
||||
luma_buffer.size());
|
||||
|
||||
// Populate chroma buffer from both channels with interleaving.
|
||||
for (std::size_t y = 0; y < half_height; ++y) {
|
||||
const std::size_t src = y * half_stride;
|
||||
const std::size_t dst = y * aligned_width;
|
||||
// Chroma
|
||||
const std::size_t half_height = frame_height / 2;
|
||||
const auto half_stride = static_cast<size_t>(frame->linesize[1]);
|
||||
|
||||
for (std::size_t x = 0; x < half_width; ++x) {
|
||||
chroma_buffer[dst + x * 2] = chroma_b_ptr[src + x];
|
||||
chroma_buffer[dst + x * 2 + 1] = chroma_r_ptr[src + x];
|
||||
switch (frame->format) {
|
||||
case AV_PIX_FMT_YUV420P: {
|
||||
// Frame from FFmpeg software
|
||||
// Populate chroma buffer from both channels with interleaving.
|
||||
const std::size_t half_width = frame_width / 2;
|
||||
const u8* chroma_b_src = frame->data[1];
|
||||
const u8* chroma_r_src = frame->data[2];
|
||||
for (std::size_t y = 0; y < half_height; ++y) {
|
||||
const std::size_t src = y * half_stride;
|
||||
const std::size_t dst = y * aligned_width;
|
||||
|
||||
for (std::size_t x = 0; x < half_width; ++x) {
|
||||
chroma_buffer[dst + x * 2] = chroma_b_src[src + x];
|
||||
chroma_buffer[dst + x * 2 + 1] = chroma_r_src[src + x];
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
gpu.MemoryManager().WriteBlock(output_surface_chroma_u_address, chroma_buffer.data(),
|
||||
case AV_PIX_FMT_NV12: {
|
||||
// Frame from VA-API hardware
|
||||
// This is already interleaved so just copy
|
||||
const u8* chroma_src = frame->data[1];
|
||||
for (std::size_t y = 0; y < half_height; ++y) {
|
||||
const std::size_t src = y * stride;
|
||||
const std::size_t dst = y * aligned_width;
|
||||
for (std::size_t x = 0; x < frame_width; ++x) {
|
||||
chroma_buffer[dst + x] = chroma_src[src + x];
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
default:
|
||||
UNREACHABLE();
|
||||
break;
|
||||
}
|
||||
gpu.MemoryManager().WriteBlock(output_surface_chroma_address, chroma_buffer.data(),
|
||||
chroma_buffer.size());
|
||||
break;
|
||||
}
|
||||
|
||||
@ -22,8 +22,8 @@ public:
|
||||
SetControlParams = 0x1c1,
|
||||
SetConfigStructOffset = 0x1c2,
|
||||
SetOutputSurfaceLumaOffset = 0x1c8,
|
||||
SetOutputSurfaceChromaUOffset = 0x1c9,
|
||||
SetOutputSurfaceChromaVOffset = 0x1ca
|
||||
SetOutputSurfaceChromaOffset = 0x1c9,
|
||||
SetOutputSurfaceChromaUnusedOffset = 0x1ca
|
||||
};
|
||||
|
||||
explicit Vic(GPU& gpu, std::shared_ptr<Nvdec> nvdec_processor);
|
||||
@ -64,8 +64,7 @@ private:
|
||||
|
||||
GPUVAddr config_struct_address{};
|
||||
GPUVAddr output_surface_luma_address{};
|
||||
GPUVAddr output_surface_chroma_u_address{};
|
||||
GPUVAddr output_surface_chroma_v_address{};
|
||||
GPUVAddr output_surface_chroma_address{};
|
||||
|
||||
SwsContext* scaler_ctx{};
|
||||
s32 scaler_width{};
|
||||
|
||||
Loading…
Reference in New Issue
Block a user