codecs: Add VP8 codec class

This commit is contained in:
ameerj 2021-11-12 19:28:21 -05:00
parent 852858c2cb
commit b39b33b1fe
9 changed files with 90 additions and 20 deletions

View file

@ -15,6 +15,8 @@ add_library(video_core STATIC
command_classes/codecs/codec.h
command_classes/codecs/h264.cpp
command_classes/codecs/h264.h
command_classes/codecs/vp8.cpp
command_classes/codecs/vp8.h
command_classes/codecs/vp9.cpp
command_classes/codecs/vp9.h
command_classes/codecs/vp9_types.h

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@ -8,6 +8,7 @@
#include "common/settings.h"
#include "video_core/command_classes/codecs/codec.h"
#include "video_core/command_classes/codecs/h264.h"
#include "video_core/command_classes/codecs/vp8.h"
#include "video_core/command_classes/codecs/vp9.h"
#include "video_core/gpu.h"
#include "video_core/memory_manager.h"
@ -46,6 +47,7 @@ void AVFrameDeleter(AVFrame* ptr) {
Codec::Codec(GPU& gpu_, const NvdecCommon::NvdecRegisters& regs)
: gpu(gpu_), state{regs}, h264_decoder(std::make_unique<Decoder::H264>(gpu)),
vp8_decoder(std::make_unique<Decoder::VP8>(gpu)),
vp9_decoder(std::make_unique<Decoder::VP9>(gpu)) {}
Codec::~Codec() {
@ -135,7 +137,9 @@ void Codec::Initialize() {
switch (current_codec) {
case NvdecCommon::VideoCodec::H264:
return AV_CODEC_ID_H264;
case NvdecCommon::VideoCodec::Vp9:
case NvdecCommon::VideoCodec::VP8:
return AV_CODEC_ID_VP8;
case NvdecCommon::VideoCodec::VP9:
return AV_CODEC_ID_VP9;
default:
UNIMPLEMENTED_MSG("Unknown codec {}", current_codec);
@ -176,19 +180,27 @@ void Codec::Decode() {
return;
}
bool vp9_hidden_frame = false;
std::vector<u8> frame_data;
if (current_codec == NvdecCommon::VideoCodec::H264) {
frame_data = h264_decoder->ComposeFrameHeader(state, is_first_frame);
} else if (current_codec == NvdecCommon::VideoCodec::Vp9) {
frame_data = vp9_decoder->ComposeFrameHeader(state);
const auto& frame_data = [&]() {
switch (current_codec) {
case Tegra::NvdecCommon::VideoCodec::H264:
return h264_decoder->ComposeFrameHeader(state, is_first_frame);
case Tegra::NvdecCommon::VideoCodec::VP8:
return vp8_decoder->ComposeFrameHeader(state, is_first_frame);
case Tegra::NvdecCommon::VideoCodec::VP9:
vp9_decoder->ComposeFrameHeader(state);
vp9_hidden_frame = vp9_decoder->WasFrameHidden();
return vp9_decoder->GetFrameBytes();
default:
UNREACHABLE();
return std::vector<u8>{};
}
}();
AVPacketPtr packet{av_packet_alloc(), AVPacketDeleter};
if (!packet) {
LOG_ERROR(Service_NVDRV, "av_packet_alloc failed");
return;
}
packet->data = frame_data.data();
packet->data = const_cast<u8*>(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);
@ -252,11 +264,11 @@ std::string_view Codec::GetCurrentCodecName() const {
return "None";
case NvdecCommon::VideoCodec::H264:
return "H264";
case NvdecCommon::VideoCodec::Vp8:
case NvdecCommon::VideoCodec::VP8:
return "VP8";
case NvdecCommon::VideoCodec::H265:
return "H265";
case NvdecCommon::VideoCodec::Vp9:
case NvdecCommon::VideoCodec::VP9:
return "VP9";
default:
return "Unknown";

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@ -29,6 +29,7 @@ using AVFramePtr = std::unique_ptr<AVFrame, decltype(&AVFrameDeleter)>;
namespace Decoder {
class H264;
class VP8;
class VP9;
} // namespace Decoder
@ -72,6 +73,7 @@ private:
GPU& gpu;
const NvdecCommon::NvdecRegisters& state;
std::unique_ptr<Decoder::H264> h264_decoder;
std::unique_ptr<Decoder::VP8> vp8_decoder;
std::unique_ptr<Decoder::VP9> vp9_decoder;
std::queue<AVFramePtr> av_frames{};

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@ -0,0 +1,20 @@
// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <array>
#include <vector>
#include "video_core/command_classes/codecs/vp8.h"
namespace Tegra::Decoder {
VP8::VP8(GPU& gpu_) : gpu(gpu_) {}
VP8::~VP8() = default;
const std::vector<u8>& VP8::ComposeFrameHeader(const NvdecCommon::NvdecRegisters& state,
bool is_first_frame) {
return {};
}
} // namespace Tegra::Decoder

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@ -0,0 +1,31 @@
// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <vector>
#include "common/common_types.h"
#include "video_core/command_classes/nvdec_common.h"
namespace Tegra {
class GPU;
namespace Decoder {
class VP8 {
public:
explicit VP8(GPU& gpu);
~VP8();
/// Compose the VP8 header of the frame for FFmpeg decoding
[[nodiscard]] const std::vector<u8>& ComposeFrameHeader(
const NvdecCommon::NvdecRegisters& state, bool is_first_frame = false);
private:
std::vector<u8> frame;
GPU& gpu;
};
} // namespace Decoder
} // namespace Tegra

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@ -770,7 +770,7 @@ VpxBitStreamWriter VP9::ComposeUncompressedHeader() {
return uncomp_writer;
}
const std::vector<u8>& VP9::ComposeFrameHeader(const NvdecCommon::NvdecRegisters& state) {
void VP9::ComposeFrameHeader(const NvdecCommon::NvdecRegisters& state) {
std::vector<u8> bitstream;
{
Vp9FrameContainer curr_frame = GetCurrentFrame(state);
@ -792,7 +792,6 @@ const std::vector<u8>& VP9::ComposeFrameHeader(const NvdecCommon::NvdecRegisters
frame.begin() + uncompressed_header.size());
std::copy(bitstream.begin(), bitstream.end(),
frame.begin() + uncompressed_header.size() + compressed_header.size());
return frame;
}
VpxRangeEncoder::VpxRangeEncoder() {

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@ -116,16 +116,19 @@ public:
VP9(VP9&&) = default;
VP9& operator=(VP9&&) = delete;
/// Composes the VP9 frame from the GPU state information. Based on the official VP9 spec
/// documentation
[[nodiscard]] const std::vector<u8>& ComposeFrameHeader(
const NvdecCommon::NvdecRegisters& state);
/// Composes the VP9 frame from the GPU state information.
/// Based on the official VP9 spec documentation
void ComposeFrameHeader(const NvdecCommon::NvdecRegisters& state);
/// Returns true if the most recent frame was a hidden frame.
[[nodiscard]] bool WasFrameHidden() const {
return !current_frame_info.show_frame;
}
[[nodiscard]] const std::vector<u8>& GetFrameBytes() const {
return frame;
}
private:
/// Generates compressed header probability updates in the bitstream writer
template <typename T, std::size_t N>

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@ -35,7 +35,8 @@ AVFramePtr Nvdec::GetFrame() {
void Nvdec::Execute() {
switch (codec->GetCurrentCodec()) {
case NvdecCommon::VideoCodec::H264:
case NvdecCommon::VideoCodec::Vp9:
case NvdecCommon::VideoCodec::VP8:
case NvdecCommon::VideoCodec::VP9:
codec->Decode();
break;
default:

View file

@ -13,9 +13,9 @@ namespace Tegra::NvdecCommon {
enum class VideoCodec : u64 {
None = 0x0,
H264 = 0x3,
Vp8 = 0x5,
VP8 = 0x5,
H265 = 0x7,
Vp9 = 0x9,
VP9 = 0x9,
};
// NVDEC should use a 32-bit address space, but is mapped to 64-bit,