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@ -5,6 +5,7 @@
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#include <fstream>
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#include <fstream>
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#include <vector>
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#include <vector>
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#include "common/assert.h"
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#include "common/assert.h"
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#include "common/settings.h"
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#include "video_core/command_classes/codecs/codec.h"
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#include "video_core/command_classes/codecs/codec.h"
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#include "video_core/command_classes/codecs/h264.h"
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#include "video_core/command_classes/codecs/h264.h"
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#include "video_core/command_classes/codecs/vp9.h"
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#include "video_core/command_classes/codecs/vp9.h"
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@ -16,44 +17,28 @@ extern "C" {
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}
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}
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namespace Tegra {
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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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namespace {
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constexpr std::array<const char*, 2> VAAPI_DRIVERS = {
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constexpr AVPixelFormat PREFERRED_GPU_FMT = AV_PIX_FMT_NV12;
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"i915",
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constexpr AVPixelFormat PREFERRED_CPU_FMT = AV_PIX_FMT_YUV420P;
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"amdgpu",
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};
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AVPixelFormat GetHwFormat(AVCodecContext*, const AVPixelFormat* pix_fmts) {
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void AVPacketDeleter(AVPacket* ptr) {
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av_packet_free(&ptr);
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}
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using AVPacketPtr = std::unique_ptr<AVPacket, decltype(&AVPacketDeleter)>;
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AVPixelFormat GetGpuFormat(AVCodecContext* av_codec_ctx, const AVPixelFormat* pix_fmts) {
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for (const AVPixelFormat* p = pix_fmts; *p != AV_PIX_FMT_NONE; ++p) {
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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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if (*p == av_codec_ctx->pix_fmt) {
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return AV_PIX_FMT_VAAPI;
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return av_codec_ctx->pix_fmt;
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}
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}
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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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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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av_buffer_unref(&av_codec_ctx->hw_device_ctx);
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}
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av_codec_ctx->pix_fmt = PREFERRED_CPU_FMT;
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return PREFERRED_CPU_FMT;
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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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}
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} // namespace
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} // namespace
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#endif
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void AVFrameDeleter(AVFrame* ptr) {
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void AVFrameDeleter(AVFrame* ptr) {
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av_frame_free(&ptr);
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av_frame_free(&ptr);
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@ -68,56 +53,110 @@ Codec::~Codec() {
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return;
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return;
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}
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}
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// Free libav memory
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// Free libav memory
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avcodec_send_packet(av_codec_ctx, nullptr);
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avcodec_free_context(&av_codec_ctx);
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AVFrame* av_frame = av_frame_alloc();
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av_buffer_unref(&av_gpu_decoder);
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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_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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}
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void Codec::InitializeHwdec() {
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bool Codec::CreateGpuAvDevice() {
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// Prioritize integrated GPU to mitigate bandwidth bottlenecks
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#if defined(LIBVA_FOUND)
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#if defined(LIBVA_FOUND)
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if (CreateVaapiHwdevice(&av_hw_device)) {
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static constexpr std::array<const char*, 3> VAAPI_DRIVERS = {
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const auto hw_device_ctx = av_buffer_ref(av_hw_device);
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"i915",
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ASSERT_MSG(hw_device_ctx, "av_buffer_ref failed");
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"iHD",
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av_codec_ctx->hw_device_ctx = hw_device_ctx;
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"amdgpu",
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av_codec_ctx->get_format = GetHwFormat;
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};
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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_gpu_decoder, 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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av_codec_ctx->pix_fmt = AV_PIX_FMT_VAAPI;
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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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#endif
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static constexpr auto HW_CONFIG_METHOD = AV_CODEC_HW_CONFIG_METHOD_HW_DEVICE_CTX;
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static constexpr std::array GPU_DECODER_TYPES{
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AV_HWDEVICE_TYPE_CUDA,
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#ifdef _WIN32
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AV_HWDEVICE_TYPE_D3D11VA,
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#else
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AV_HWDEVICE_TYPE_VDPAU,
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#endif
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};
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for (const auto& type : GPU_DECODER_TYPES) {
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const int hwdevice_res = av_hwdevice_ctx_create(&av_gpu_decoder, type, nullptr, nullptr, 0);
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if (hwdevice_res < 0) {
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LOG_DEBUG(Service_NVDRV, "{} av_hwdevice_ctx_create failed {}",
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av_hwdevice_get_type_name(type), hwdevice_res);
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continue;
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}
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for (int i = 0;; i++) {
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const AVCodecHWConfig* config = avcodec_get_hw_config(av_codec, i);
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if (!config) {
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LOG_DEBUG(Service_NVDRV, "{} decoder does not support device type {}.",
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av_codec->name, av_hwdevice_get_type_name(type));
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break;
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}
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if (config->methods & HW_CONFIG_METHOD && config->device_type == type) {
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av_codec_ctx->pix_fmt = config->pix_fmt;
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LOG_INFO(Service_NVDRV, "Using {} GPU decoder", av_hwdevice_get_type_name(type));
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return true;
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}
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}
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}
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return false;
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}
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void Codec::InitializeAvCodecContext() {
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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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}
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void Codec::InitializeGpuDecoder() {
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if (!CreateGpuAvDevice()) {
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av_buffer_unref(&av_gpu_decoder);
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return;
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return;
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}
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}
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#endif
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auto* hw_device_ctx = av_buffer_ref(av_gpu_decoder);
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// TODO more GPU accelerated decoders
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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 = GetGpuFormat;
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}
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}
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void Codec::Initialize() {
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void Codec::Initialize() {
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AVCodecID codec;
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const AVCodecID codec = [&] {
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switch (current_codec) {
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switch (current_codec) {
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case NvdecCommon::VideoCodec::H264:
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case NvdecCommon::VideoCodec::H264:
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codec = AV_CODEC_ID_H264;
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return AV_CODEC_ID_H264;
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break;
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case NvdecCommon::VideoCodec::Vp9:
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case NvdecCommon::VideoCodec::Vp9:
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return AV_CODEC_ID_VP9;
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codec = AV_CODEC_ID_VP9;
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default:
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break;
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UNIMPLEMENTED_MSG("Unknown codec {}", current_codec);
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default:
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return AV_CODEC_ID_NONE;
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UNIMPLEMENTED_MSG("Unknown codec {}", current_codec);
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}
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}();
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av_codec = avcodec_find_decoder(codec);
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InitializeAvCodecContext();
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if (Settings::values.nvdec_emulation.GetValue() == Settings::NvdecEmulation::GPU) {
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InitializeGpuDecoder();
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}
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if (const int res = avcodec_open2(av_codec_ctx, av_codec, nullptr); res < 0) {
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LOG_ERROR(Service_NVDRV, "avcodec_open2() Failed with result {}", res);
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avcodec_free_context(&av_codec_ctx);
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av_buffer_unref(&av_gpu_decoder);
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return;
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return;
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}
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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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InitializeHwdec();
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if (!av_codec_ctx->hw_device_ctx) {
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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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LOG_INFO(Service_NVDRV, "Using FFmpeg software decoding");
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}
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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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initialized = true;
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}
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}
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@ -133,6 +172,9 @@ void Codec::Decode() {
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if (is_first_frame) {
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if (is_first_frame) {
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Initialize();
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Initialize();
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}
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}
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if (!initialized) {
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return;
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}
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bool vp9_hidden_frame = false;
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bool vp9_hidden_frame = false;
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std::vector<u8> frame_data;
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std::vector<u8> frame_data;
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if (current_codec == NvdecCommon::VideoCodec::H264) {
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if (current_codec == NvdecCommon::VideoCodec::H264) {
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@ -141,50 +183,48 @@ void Codec::Decode() {
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frame_data = vp9_decoder->ComposeFrameHeader(state);
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frame_data = vp9_decoder->ComposeFrameHeader(state);
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vp9_hidden_frame = vp9_decoder->WasFrameHidden();
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vp9_hidden_frame = vp9_decoder->WasFrameHidden();
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}
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}
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AVPacket packet{};
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AVPacketPtr packet{av_packet_alloc(), AVPacketDeleter};
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av_init_packet(&packet);
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if (!packet) {
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packet.data = frame_data.data();
|
|
|
|
LOG_ERROR(Service_NVDRV, "av_packet_alloc failed");
|
|
|
|
packet.size = static_cast<s32>(frame_data.size());
|
|
|
|
return;
|
|
|
|
if (const int ret = avcodec_send_packet(av_codec_ctx, &packet); ret) {
|
|
|
|
}
|
|
|
|
LOG_DEBUG(Service_NVDRV, "avcodec_send_packet error {}", ret);
|
|
|
|
packet->data = frame_data.data();
|
|
|
|
|
|
|
|
packet->size = static_cast<s32>(frame_data.size());
|
|
|
|
|
|
|
|
if (const int res = avcodec_send_packet(av_codec_ctx, packet.get()); res != 0) {
|
|
|
|
|
|
|
|
LOG_DEBUG(Service_NVDRV, "avcodec_send_packet error {}", res);
|
|
|
|
return;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// Only receive/store visible frames
|
|
|
|
// Only receive/store visible frames
|
|
|
|
if (vp9_hidden_frame) {
|
|
|
|
if (vp9_hidden_frame) {
|
|
|
|
return;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
AVFrame* hw_frame = av_frame_alloc();
|
|
|
|
AVFramePtr initial_frame{av_frame_alloc(), AVFrameDeleter};
|
|
|
|
AVFrame* sw_frame = hw_frame;
|
|
|
|
AVFramePtr final_frame{nullptr, AVFrameDeleter};
|
|
|
|
ASSERT_MSG(hw_frame, "av_frame_alloc hw_frame failed");
|
|
|
|
ASSERT_MSG(initial_frame, "av_frame_alloc initial_frame failed");
|
|
|
|
if (const int ret = avcodec_receive_frame(av_codec_ctx, hw_frame); ret) {
|
|
|
|
if (const int ret = avcodec_receive_frame(av_codec_ctx, initial_frame.get()); ret) {
|
|
|
|
LOG_DEBUG(Service_NVDRV, "avcodec_receive_frame error {}", ret);
|
|
|
|
LOG_DEBUG(Service_NVDRV, "avcodec_receive_frame error {}", ret);
|
|
|
|
av_frame_free(&hw_frame);
|
|
|
|
|
|
|
|
return;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (!hw_frame->width || !hw_frame->height) {
|
|
|
|
if (initial_frame->width == 0 || initial_frame->height == 0) {
|
|
|
|
LOG_WARNING(Service_NVDRV, "Zero width or height in frame");
|
|
|
|
LOG_WARNING(Service_NVDRV, "Zero width or height in frame");
|
|
|
|
av_frame_free(&hw_frame);
|
|
|
|
|
|
|
|
return;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#if defined(LIBVA_FOUND)
|
|
|
|
if (av_codec_ctx->hw_device_ctx) {
|
|
|
|
// Hardware acceleration code from FFmpeg/doc/examples/hw_decode.c under MIT license
|
|
|
|
final_frame = AVFramePtr{av_frame_alloc(), AVFrameDeleter};
|
|
|
|
if (hw_frame->format == AV_PIX_FMT_VAAPI) {
|
|
|
|
ASSERT_MSG(final_frame, "av_frame_alloc final_frame failed");
|
|
|
|
sw_frame = av_frame_alloc();
|
|
|
|
|
|
|
|
ASSERT_MSG(sw_frame, "av_frame_alloc sw_frame failed");
|
|
|
|
|
|
|
|
// Can't use AV_PIX_FMT_YUV420P and share code with software decoding in vic.cpp
|
|
|
|
// Can't use AV_PIX_FMT_YUV420P and share code with software decoding in vic.cpp
|
|
|
|
// because Intel drivers crash unless using AV_PIX_FMT_NV12
|
|
|
|
// because Intel drivers crash unless using AV_PIX_FMT_NV12
|
|
|
|
sw_frame->format = AV_PIX_FMT_NV12;
|
|
|
|
final_frame->format = PREFERRED_GPU_FMT;
|
|
|
|
const int transfer_data_ret = av_hwframe_transfer_data(sw_frame, hw_frame, 0);
|
|
|
|
const int ret = av_hwframe_transfer_data(final_frame.get(), initial_frame.get(), 0);
|
|
|
|
ASSERT_MSG(!transfer_data_ret, "av_hwframe_transfer_data error {}", transfer_data_ret);
|
|
|
|
ASSERT_MSG(!ret, "av_hwframe_transfer_data error {}", ret);
|
|
|
|
av_frame_free(&hw_frame);
|
|
|
|
} else {
|
|
|
|
|
|
|
|
final_frame = std::move(initial_frame);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
if (final_frame->format != PREFERRED_CPU_FMT && final_frame->format != PREFERRED_GPU_FMT) {
|
|
|
|
if (sw_frame->format != AV_PIX_FMT_YUV420P && sw_frame->format != AV_PIX_FMT_NV12) {
|
|
|
|
UNIMPLEMENTED_MSG("Unexpected video format: {}", final_frame->format);
|
|
|
|
UNIMPLEMENTED_MSG("Unexpected video format from host graphics: {}", sw_frame->format);
|
|
|
|
|
|
|
|
av_frame_free(&sw_frame);
|
|
|
|
|
|
|
|
return;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
av_frames.push(AVFramePtr{sw_frame, AVFrameDeleter});
|
|
|
|
av_frames.push(std::move(final_frame));
|
|
|
|
if (av_frames.size() > 10) {
|
|
|
|
if (av_frames.size() > 10) {
|
|
|
|
LOG_TRACE(Service_NVDRV, "av_frames.push overflow dropped frame");
|
|
|
|
LOG_TRACE(Service_NVDRV, "av_frames.push overflow dropped frame");
|
|
|
|
av_frames.pop();
|
|
|
|
av_frames.pop();
|
|
|
|
|
Fernando S
GitHub