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-rw-r--r--src/video_core/command_classes/codecs/codec.cpp129
-rw-r--r--src/video_core/command_classes/codecs/codec.h70
-rw-r--r--src/video_core/command_classes/codecs/h264.cpp293
-rw-r--r--src/video_core/command_classes/codecs/h264.h118
-rw-r--r--src/video_core/command_classes/codecs/vp9.cpp989
-rw-r--r--src/video_core/command_classes/codecs/vp9.h197
-rw-r--r--src/video_core/command_classes/codecs/vp9_types.h302
-rw-r--r--src/video_core/command_classes/host1x.cpp30
-rw-r--r--src/video_core/command_classes/host1x.h37
-rw-r--r--src/video_core/command_classes/nvdec.cpp48
-rw-r--r--src/video_core/command_classes/nvdec.h38
-rw-r--r--src/video_core/command_classes/nvdec_common.h48
-rw-r--r--src/video_core/command_classes/sync_manager.cpp60
-rw-r--r--src/video_core/command_classes/sync_manager.h64
-rw-r--r--src/video_core/command_classes/vic.cpp175
-rw-r--r--src/video_core/command_classes/vic.h110
16 files changed, 2708 insertions, 0 deletions
diff --git a/src/video_core/command_classes/codecs/codec.cpp b/src/video_core/command_classes/codecs/codec.cpp
new file mode 100644
index 000000000..39bc923a5
--- /dev/null
+++ b/src/video_core/command_classes/codecs/codec.cpp
@@ -0,0 +1,129 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <cstring>
+#include <fstream>
+#include <vector>
+#include "common/assert.h"
+#include "video_core/command_classes/codecs/codec.h"
+#include "video_core/command_classes/codecs/h264.h"
+#include "video_core/command_classes/codecs/vp9.h"
+#include "video_core/gpu.h"
+#include "video_core/memory_manager.h"
+
+extern "C" {
+#include <libavutil/opt.h>
+}
+
+namespace Tegra {
+
+void AVFrameDeleter(AVFrame* ptr) {
+ av_frame_unref(ptr);
+ av_free(ptr);
+}
+
+Codec::Codec(GPU& gpu_)
+ : gpu(gpu_), h264_decoder(std::make_unique<Decoder::H264>(gpu)),
+ vp9_decoder(std::make_unique<Decoder::VP9>(gpu)) {}
+
+Codec::~Codec() {
+ if (!initialized) {
+ return;
+ }
+ // Free libav memory
+ AVFrame* av_frame{nullptr};
+ avcodec_send_packet(av_codec_ctx, nullptr);
+ av_frame = av_frame_alloc();
+ avcodec_receive_frame(av_codec_ctx, av_frame);
+ avcodec_flush_buffers(av_codec_ctx);
+
+ av_frame_unref(av_frame);
+ av_free(av_frame);
+ avcodec_close(av_codec_ctx);
+}
+
+void Codec::SetTargetCodec(NvdecCommon::VideoCodec codec) {
+ LOG_INFO(Service_NVDRV, "NVDEC video codec initialized to {}", codec);
+ current_codec = codec;
+}
+
+void Codec::StateWrite(u32 offset, u64 arguments) {
+ u8* const state_offset = reinterpret_cast<u8*>(&state) + offset * sizeof(u64);
+ std::memcpy(state_offset, &arguments, sizeof(u64));
+}
+
+void Codec::Decode() {
+ bool is_first_frame = false;
+
+ if (!initialized) {
+ if (current_codec == NvdecCommon::VideoCodec::H264) {
+ av_codec = avcodec_find_decoder(AV_CODEC_ID_H264);
+ } else if (current_codec == NvdecCommon::VideoCodec::Vp9) {
+ av_codec = avcodec_find_decoder(AV_CODEC_ID_VP9);
+ } else {
+ LOG_ERROR(Service_NVDRV, "Unknown video codec {}", current_codec);
+ return;
+ }
+
+ av_codec_ctx = avcodec_alloc_context3(av_codec);
+ av_opt_set(av_codec_ctx->priv_data, "tune", "zerolatency", 0);
+
+ // TODO(ameerj): libavcodec gpu hw acceleration
+
+ const auto av_error = avcodec_open2(av_codec_ctx, av_codec, nullptr);
+ if (av_error < 0) {
+ LOG_ERROR(Service_NVDRV, "avcodec_open2() Failed.");
+ avcodec_close(av_codec_ctx);
+ return;
+ }
+ initialized = true;
+ is_first_frame = true;
+ }
+ bool vp9_hidden_frame = false;
+
+ AVPacket packet{};
+ av_init_packet(&packet);
+ 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);
+ vp9_hidden_frame = vp9_decoder->WasFrameHidden();
+ }
+
+ packet.data = frame_data.data();
+ packet.size = static_cast<int>(frame_data.size());
+
+ avcodec_send_packet(av_codec_ctx, &packet);
+
+ if (!vp9_hidden_frame) {
+ // Only receive/store visible frames
+ AVFramePtr frame = AVFramePtr{av_frame_alloc(), AVFrameDeleter};
+ avcodec_receive_frame(av_codec_ctx, frame.get());
+ av_frames.push(std::move(frame));
+ // Limit queue to 10 frames. Workaround for ZLA decode and queue spam
+ if (av_frames.size() > 10) {
+ av_frames.pop();
+ }
+ }
+}
+
+AVFramePtr Codec::GetCurrentFrame() {
+ // Sometimes VIC will request more frames than have been decoded.
+ // in this case, return a nullptr and don't overwrite previous frame data
+ if (av_frames.empty()) {
+ return AVFramePtr{nullptr, AVFrameDeleter};
+ }
+
+ AVFramePtr frame = std::move(av_frames.front());
+ av_frames.pop();
+ return frame;
+}
+
+NvdecCommon::VideoCodec Codec::GetCurrentCodec() const {
+ return current_codec;
+}
+
+} // namespace Tegra
diff --git a/src/video_core/command_classes/codecs/codec.h b/src/video_core/command_classes/codecs/codec.h
new file mode 100644
index 000000000..8a2a6c360
--- /dev/null
+++ b/src/video_core/command_classes/codecs/codec.h
@@ -0,0 +1,70 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include <queue>
+#include "common/common_types.h"
+#include "video_core/command_classes/nvdec_common.h"
+
+extern "C" {
+#if defined(__GNUC__) || defined(__clang__)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wconversion"
+#endif
+#include <libavcodec/avcodec.h>
+#if defined(__GNUC__) || defined(__clang__)
+#pragma GCC diagnostic pop
+#endif
+}
+
+namespace Tegra {
+class GPU;
+struct VicRegisters;
+
+void AVFrameDeleter(AVFrame* ptr);
+using AVFramePtr = std::unique_ptr<AVFrame, decltype(&AVFrameDeleter)>;
+
+namespace Decoder {
+class H264;
+class VP9;
+} // namespace Decoder
+
+class Codec {
+public:
+ explicit Codec(GPU& gpu);
+ ~Codec();
+
+ /// Sets NVDEC video stream codec
+ void SetTargetCodec(NvdecCommon::VideoCodec codec);
+
+ /// Populate NvdecRegisters state with argument value at the provided offset
+ void StateWrite(u32 offset, u64 arguments);
+
+ /// Call decoders to construct headers, decode AVFrame with ffmpeg
+ void Decode();
+
+ /// Returns next decoded frame
+ [[nodiscard]] AVFramePtr GetCurrentFrame();
+
+ /// Returns the value of current_codec
+ [[nodiscard]] NvdecCommon::VideoCodec GetCurrentCodec() const;
+
+private:
+ bool initialized{};
+ NvdecCommon::VideoCodec current_codec{NvdecCommon::VideoCodec::None};
+
+ AVCodec* av_codec{nullptr};
+ AVCodecContext* av_codec_ctx{nullptr};
+
+ GPU& gpu;
+ std::unique_ptr<Decoder::H264> h264_decoder;
+ std::unique_ptr<Decoder::VP9> vp9_decoder;
+
+ NvdecCommon::NvdecRegisters state{};
+ std::queue<AVFramePtr> av_frames{};
+};
+
+} // namespace Tegra
diff --git a/src/video_core/command_classes/codecs/h264.cpp b/src/video_core/command_classes/codecs/h264.cpp
new file mode 100644
index 000000000..65bbeac78
--- /dev/null
+++ b/src/video_core/command_classes/codecs/h264.cpp
@@ -0,0 +1,293 @@
+// MIT License
+//
+// Copyright (c) Ryujinx Team and Contributors
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
+// associated documentation files (the "Software"), to deal in the Software without restriction,
+// including without limitation the rights to use, copy, modify, merge, publish, distribute,
+// sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all copies or
+// substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
+// NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+#include <array>
+#include "common/bit_util.h"
+#include "video_core/command_classes/codecs/h264.h"
+#include "video_core/gpu.h"
+#include "video_core/memory_manager.h"
+
+namespace Tegra::Decoder {
+namespace {
+// ZigZag LUTs from libavcodec.
+constexpr std::array<u8, 64> zig_zag_direct{
+ 0, 1, 8, 16, 9, 2, 3, 10, 17, 24, 32, 25, 18, 11, 4, 5, 12, 19, 26, 33, 40, 48,
+ 41, 34, 27, 20, 13, 6, 7, 14, 21, 28, 35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23,
+ 30, 37, 44, 51, 58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62, 63,
+};
+
+constexpr std::array<u8, 16> zig_zag_scan{
+ 0 + 0 * 4, 1 + 0 * 4, 0 + 1 * 4, 0 + 2 * 4, 1 + 1 * 4, 2 + 0 * 4, 3 + 0 * 4, 2 + 1 * 4,
+ 1 + 2 * 4, 0 + 3 * 4, 1 + 3 * 4, 2 + 2 * 4, 3 + 1 * 4, 3 + 2 * 4, 2 + 3 * 4, 3 + 3 * 4,
+};
+} // Anonymous namespace
+
+H264::H264(GPU& gpu_) : gpu(gpu_) {}
+
+H264::~H264() = default;
+
+const std::vector<u8>& H264::ComposeFrameHeader(const NvdecCommon::NvdecRegisters& state,
+ bool is_first_frame) {
+ H264DecoderContext context{};
+ gpu.MemoryManager().ReadBlock(state.picture_info_offset, &context, sizeof(H264DecoderContext));
+
+ const s32 frame_number = static_cast<s32>((context.h264_parameter_set.flags >> 46) & 0x1ffff);
+ if (!is_first_frame && frame_number != 0) {
+ frame.resize(context.frame_data_size);
+
+ gpu.MemoryManager().ReadBlock(state.frame_bitstream_offset, frame.data(), frame.size());
+ } else {
+ /// Encode header
+ H264BitWriter writer{};
+ writer.WriteU(1, 24);
+ writer.WriteU(0, 1);
+ writer.WriteU(3, 2);
+ writer.WriteU(7, 5);
+ writer.WriteU(100, 8);
+ writer.WriteU(0, 8);
+ writer.WriteU(31, 8);
+ writer.WriteUe(0);
+ const auto chroma_format_idc =
+ static_cast<u32>((context.h264_parameter_set.flags >> 12) & 3);
+ writer.WriteUe(chroma_format_idc);
+ if (chroma_format_idc == 3) {
+ writer.WriteBit(false);
+ }
+
+ writer.WriteUe(0);
+ writer.WriteUe(0);
+ writer.WriteBit(false); // QpprimeYZeroTransformBypassFlag
+ writer.WriteBit(false); // Scaling matrix present flag
+
+ const auto order_cnt_type = static_cast<u32>((context.h264_parameter_set.flags >> 14) & 3);
+ writer.WriteUe(static_cast<u32>((context.h264_parameter_set.flags >> 8) & 0xf));
+ writer.WriteUe(order_cnt_type);
+ if (order_cnt_type == 0) {
+ writer.WriteUe(context.h264_parameter_set.log2_max_pic_order_cnt);
+ } else if (order_cnt_type == 1) {
+ writer.WriteBit(context.h264_parameter_set.delta_pic_order_always_zero_flag != 0);
+
+ writer.WriteSe(0);
+ writer.WriteSe(0);
+ writer.WriteUe(0);
+ }
+
+ const s32 pic_height = context.h264_parameter_set.pic_height_in_map_units /
+ (context.h264_parameter_set.frame_mbs_only_flag ? 1 : 2);
+
+ writer.WriteUe(16);
+ writer.WriteBit(false);
+ writer.WriteUe(context.h264_parameter_set.pic_width_in_mbs - 1);
+ writer.WriteUe(pic_height - 1);
+ writer.WriteBit(context.h264_parameter_set.frame_mbs_only_flag != 0);
+
+ if (!context.h264_parameter_set.frame_mbs_only_flag) {
+ writer.WriteBit(((context.h264_parameter_set.flags >> 0) & 1) != 0);
+ }
+
+ writer.WriteBit(((context.h264_parameter_set.flags >> 1) & 1) != 0);
+ writer.WriteBit(false); // Frame cropping flag
+ writer.WriteBit(false); // VUI parameter present flag
+
+ writer.End();
+
+ // H264 PPS
+ writer.WriteU(1, 24);
+ writer.WriteU(0, 1);
+ writer.WriteU(3, 2);
+ writer.WriteU(8, 5);
+
+ writer.WriteUe(0);
+ writer.WriteUe(0);
+
+ writer.WriteBit(context.h264_parameter_set.entropy_coding_mode_flag != 0);
+ writer.WriteBit(false);
+ writer.WriteUe(0);
+ writer.WriteUe(context.h264_parameter_set.num_refidx_l0_default_active);
+ writer.WriteUe(context.h264_parameter_set.num_refidx_l1_default_active);
+ writer.WriteBit(((context.h264_parameter_set.flags >> 2) & 1) != 0);
+ writer.WriteU(static_cast<s32>((context.h264_parameter_set.flags >> 32) & 0x3), 2);
+ s32 pic_init_qp = static_cast<s32>((context.h264_parameter_set.flags >> 16) & 0x3f);
+ pic_init_qp = (pic_init_qp << 26) >> 26;
+ writer.WriteSe(pic_init_qp);
+ writer.WriteSe(0);
+ s32 chroma_qp_index_offset =
+ static_cast<s32>((context.h264_parameter_set.flags >> 22) & 0x1f);
+ chroma_qp_index_offset = (chroma_qp_index_offset << 27) >> 27;
+
+ writer.WriteSe(chroma_qp_index_offset);
+ writer.WriteBit(context.h264_parameter_set.deblocking_filter_control_flag != 0);
+ writer.WriteBit(((context.h264_parameter_set.flags >> 3) & 1) != 0);
+ writer.WriteBit(context.h264_parameter_set.redundant_pic_count_flag != 0);
+ writer.WriteBit(context.h264_parameter_set.transform_8x8_mode_flag != 0);
+
+ writer.WriteBit(true);
+
+ for (s32 index = 0; index < 6; index++) {
+ writer.WriteBit(true);
+ const auto matrix_x4 =
+ std::vector<u8>(context.scaling_matrix_4.begin(), context.scaling_matrix_4.end());
+ writer.WriteScalingList(matrix_x4, index * 16, 16);
+ }
+
+ if (context.h264_parameter_set.transform_8x8_mode_flag) {
+ for (s32 index = 0; index < 2; index++) {
+ writer.WriteBit(true);
+ const auto matrix_x8 = std::vector<u8>(context.scaling_matrix_8.begin(),
+ context.scaling_matrix_8.end());
+
+ writer.WriteScalingList(matrix_x8, index * 64, 64);
+ }
+ }
+
+ s32 chroma_qp_index_offset2 =
+ static_cast<s32>((context.h264_parameter_set.flags >> 27) & 0x1f);
+ chroma_qp_index_offset2 = (chroma_qp_index_offset2 << 27) >> 27;
+
+ writer.WriteSe(chroma_qp_index_offset2);
+
+ writer.End();
+
+ const auto& encoded_header = writer.GetByteArray();
+ frame.resize(encoded_header.size() + context.frame_data_size);
+ std::memcpy(frame.data(), encoded_header.data(), encoded_header.size());
+
+ gpu.MemoryManager().ReadBlock(state.frame_bitstream_offset,
+ frame.data() + encoded_header.size(),
+ context.frame_data_size);
+ }
+
+ return frame;
+}
+
+H264BitWriter::H264BitWriter() = default;
+
+H264BitWriter::~H264BitWriter() = default;
+
+void H264BitWriter::WriteU(s32 value, s32 value_sz) {
+ WriteBits(value, value_sz);
+}
+
+void H264BitWriter::WriteSe(s32 value) {
+ WriteExpGolombCodedInt(value);
+}
+
+void H264BitWriter::WriteUe(u32 value) {
+ WriteExpGolombCodedUInt(value);
+}
+
+void H264BitWriter::End() {
+ WriteBit(true);
+ Flush();
+}
+
+void H264BitWriter::WriteBit(bool state) {
+ WriteBits(state ? 1 : 0, 1);
+}
+
+void H264BitWriter::WriteScalingList(const std::vector<u8>& list, s32 start, s32 count) {
+ std::vector<u8> scan(count);
+ if (count == 16) {
+ std::memcpy(scan.data(), zig_zag_scan.data(), scan.size());
+ } else {
+ std::memcpy(scan.data(), zig_zag_direct.data(), scan.size());
+ }
+ u8 last_scale = 8;
+
+ for (s32 index = 0; index < count; index++) {
+ const u8 value = list[start + scan[index]];
+ const s32 delta_scale = static_cast<s32>(value - last_scale);
+
+ WriteSe(delta_scale);
+
+ last_scale = value;
+ }
+}
+
+std::vector<u8>& H264BitWriter::GetByteArray() {
+ return byte_array;
+}
+
+const std::vector<u8>& H264BitWriter::GetByteArray() const {
+ return byte_array;
+}
+
+void H264BitWriter::WriteBits(s32 value, s32 bit_count) {
+ s32 value_pos = 0;
+
+ s32 remaining = bit_count;
+
+ while (remaining > 0) {
+ s32 copy_size = remaining;
+
+ const s32 free_bits = GetFreeBufferBits();
+
+ if (copy_size > free_bits) {
+ copy_size = free_bits;
+ }
+
+ const s32 mask = (1 << copy_size) - 1;
+
+ const s32 src_shift = (bit_count - value_pos) - copy_size;
+ const s32 dst_shift = (buffer_size - buffer_pos) - copy_size;
+
+ buffer |= ((value >> src_shift) & mask) << dst_shift;
+
+ value_pos += copy_size;
+ buffer_pos += copy_size;
+ remaining -= copy_size;
+ }
+}
+
+void H264BitWriter::WriteExpGolombCodedInt(s32 value) {
+ const s32 sign = value <= 0 ? 0 : 1;
+ if (value < 0) {
+ value = -value;
+ }
+ value = (value << 1) - sign;
+ WriteExpGolombCodedUInt(value);
+}
+
+void H264BitWriter::WriteExpGolombCodedUInt(u32 value) {
+ const s32 size = 32 - Common::CountLeadingZeroes32(static_cast<s32>(value + 1));
+ WriteBits(1, size);
+
+ value -= (1U << (size - 1)) - 1;
+ WriteBits(static_cast<s32>(value), size - 1);
+}
+
+s32 H264BitWriter::GetFreeBufferBits() {
+ if (buffer_pos == buffer_size) {
+ Flush();
+ }
+
+ return buffer_size - buffer_pos;
+}
+
+void H264BitWriter::Flush() {
+ if (buffer_pos == 0) {
+ return;
+ }
+ byte_array.push_back(static_cast<u8>(buffer));
+
+ buffer = 0;
+ buffer_pos = 0;
+}
+} // namespace Tegra::Decoder
diff --git a/src/video_core/command_classes/codecs/h264.h b/src/video_core/command_classes/codecs/h264.h
new file mode 100644
index 000000000..0f3a1d9f3
--- /dev/null
+++ b/src/video_core/command_classes/codecs/h264.h
@@ -0,0 +1,118 @@
+// MIT License
+//
+// Copyright (c) Ryujinx Team and Contributors
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
+// associated documentation files (the "Software"), to deal in the Software without restriction,
+// including without limitation the rights to use, copy, modify, merge, publish, distribute,
+// sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all copies or
+// substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
+// NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+#pragma once
+
+#include <vector>
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+#include "video_core/command_classes/nvdec_common.h"
+
+namespace Tegra {
+class GPU;
+namespace Decoder {
+
+class H264BitWriter {
+public:
+ H264BitWriter();
+ ~H264BitWriter();
+
+ /// The following Write methods are based on clause 9.1 in the H.264 specification.
+ /// WriteSe and WriteUe write in the Exp-Golomb-coded syntax
+ void WriteU(s32 value, s32 value_sz);
+ void WriteSe(s32 value);
+ void WriteUe(u32 value);
+
+ /// Finalize the bitstream
+ void End();
+
+ /// append a bit to the stream, equivalent value to the state parameter
+ void WriteBit(bool state);
+
+ /// Based on section 7.3.2.1.1.1 and Table 7-4 in the H.264 specification
+ /// Writes the scaling matrices of the sream
+ void WriteScalingList(const std::vector<u8>& list, s32 start, s32 count);
+
+ /// Return the bitstream as a vector.
+ [[nodiscard]] std::vector<u8>& GetByteArray();
+ [[nodiscard]] const std::vector<u8>& GetByteArray() const;
+
+private:
+ void WriteBits(s32 value, s32 bit_count);
+ void WriteExpGolombCodedInt(s32 value);
+ void WriteExpGolombCodedUInt(u32 value);
+ [[nodiscard]] s32 GetFreeBufferBits();
+ void Flush();
+
+ s32 buffer_size{8};
+
+ s32 buffer{};
+ s32 buffer_pos{};
+ std::vector<u8> byte_array;
+};
+
+class H264 {
+public:
+ explicit H264(GPU& gpu);
+ ~H264();
+
+ /// Compose the H264 header of the frame for FFmpeg decoding
+ [[nodiscard]] const std::vector<u8>& ComposeFrameHeader(
+ const NvdecCommon::NvdecRegisters& state, bool is_first_frame = false);
+
+private:
+ struct H264ParameterSet {
+ u32 log2_max_pic_order_cnt{};
+ u32 delta_pic_order_always_zero_flag{};
+ u32 frame_mbs_only_flag{};
+ u32 pic_width_in_mbs{};
+ u32 pic_height_in_map_units{};
+ INSERT_PADDING_WORDS(1);
+ u32 entropy_coding_mode_flag{};
+ u32 bottom_field_pic_order_flag{};
+ u32 num_refidx_l0_default_active{};
+ u32 num_refidx_l1_default_active{};
+ u32 deblocking_filter_control_flag{};
+ u32 redundant_pic_count_flag{};
+ u32 transform_8x8_mode_flag{};
+ INSERT_PADDING_WORDS(9);
+ u64 flags{};
+ u32 frame_number{};
+ u32 frame_number2{};
+ };
+ static_assert(sizeof(H264ParameterSet) == 0x68, "H264ParameterSet is an invalid size");
+
+ struct H264DecoderContext {
+ INSERT_PADDING_BYTES(0x48);
+ u32 frame_data_size{};
+ INSERT_PADDING_BYTES(0xc);
+ H264ParameterSet h264_parameter_set{};
+ INSERT_PADDING_BYTES(0x100);
+ std::array<u8, 0x60> scaling_matrix_4;
+ std::array<u8, 0x80> scaling_matrix_8;
+ };
+ static_assert(sizeof(H264DecoderContext) == 0x2a0, "H264DecoderContext is an invalid size");
+
+ std::vector<u8> frame;
+ GPU& gpu;
+};
+
+} // namespace Decoder
+} // namespace Tegra
diff --git a/src/video_core/command_classes/codecs/vp9.cpp b/src/video_core/command_classes/codecs/vp9.cpp
new file mode 100644
index 000000000..59e586695
--- /dev/null
+++ b/src/video_core/command_classes/codecs/vp9.cpp
@@ -0,0 +1,989 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <cstring> // for std::memcpy
+#include <numeric>
+#include "video_core/command_classes/codecs/vp9.h"
+#include "video_core/gpu.h"
+#include "video_core/memory_manager.h"
+
+namespace Tegra::Decoder {
+namespace {
+// Default compressed header probabilities once frame context resets
+constexpr Vp9EntropyProbs default_probs{
+ .y_mode_prob{
+ 65, 32, 18, 144, 162, 194, 41, 51, 98, 132, 68, 18, 165, 217, 196, 45, 40, 78,
+ 173, 80, 19, 176, 240, 193, 64, 35, 46, 221, 135, 38, 194, 248, 121, 96, 85, 29,
+ },
+ .partition_prob{
+ 199, 122, 141, 0, 147, 63, 159, 0, 148, 133, 118, 0, 121, 104, 114, 0,
+ 174, 73, 87, 0, 92, 41, 83, 0, 82, 99, 50, 0, 53, 39, 39, 0,
+ 177, 58, 59, 0, 68, 26, 63, 0, 52, 79, 25, 0, 17, 14, 12, 0,
+ 222, 34, 30, 0, 72, 16, 44, 0, 58, 32, 12, 0, 10, 7, 6, 0,
+ },
+ .coef_probs{
+ 195, 29, 183, 84, 49, 136, 8, 42, 71, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 31, 107, 169, 35, 99, 159, 17, 82, 140, 8, 66, 114, 2, 44, 76, 1, 19, 32,
+ 40, 132, 201, 29, 114, 187, 13, 91, 157, 7, 75, 127, 3, 58, 95, 1, 28, 47,
+ 69, 142, 221, 42, 122, 201, 15, 91, 159, 6, 67, 121, 1, 42, 77, 1, 17, 31,
+ 102, 148, 228, 67, 117, 204, 17, 82, 154, 6, 59, 114, 2, 39, 75, 1, 15, 29,
+ 156, 57, 233, 119, 57, 212, 58, 48, 163, 29, 40, 124, 12, 30, 81, 3, 12, 31,
+ 191, 107, 226, 124, 117, 204, 25, 99, 155, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 29, 148, 210, 37, 126, 194, 8, 93, 157, 2, 68, 118, 1, 39, 69, 1, 17, 33,
+ 41, 151, 213, 27, 123, 193, 3, 82, 144, 1, 58, 105, 1, 32, 60, 1, 13, 26,
+ 59, 159, 220, 23, 126, 198, 4, 88, 151, 1, 66, 114, 1, 38, 71, 1, 18, 34,
+ 114, 136, 232, 51, 114, 207, 11, 83, 155, 3, 56, 105, 1, 33, 65, 1, 17, 34,
+ 149, 65, 234, 121, 57, 215, 61, 49, 166, 28, 36, 114, 12, 25, 76, 3, 16, 42,
+ 214, 49, 220, 132, 63, 188, 42, 65, 137, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 85, 137, 221, 104, 131, 216, 49, 111, 192, 21, 87, 155, 2, 49, 87, 1, 16, 28,
+ 89, 163, 230, 90, 137, 220, 29, 100, 183, 10, 70, 135, 2, 42, 81, 1, 17, 33,
+ 108, 167, 237, 55, 133, 222, 15, 97, 179, 4, 72, 135, 1, 45, 85, 1, 19, 38,
+ 124, 146, 240, 66, 124, 224, 17, 88, 175, 4, 58, 122, 1, 36, 75, 1, 18, 37,
+ 141, 79, 241, 126, 70, 227, 66, 58, 182, 30, 44, 136, 12, 34, 96, 2, 20, 47,
+ 229, 99, 249, 143, 111, 235, 46, 109, 192, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 82, 158, 236, 94, 146, 224, 25, 117, 191, 9, 87, 149, 3, 56, 99, 1, 33, 57,
+ 83, 167, 237, 68, 145, 222, 10, 103, 177, 2, 72, 131, 1, 41, 79, 1, 20, 39,
+ 99, 167, 239, 47, 141, 224, 10, 104, 178, 2, 73, 133, 1, 44, 85, 1, 22, 47,
+ 127, 145, 243, 71, 129, 228, 17, 93, 177, 3, 61, 124, 1, 41, 84, 1, 21, 52,
+ 157, 78, 244, 140, 72, 231, 69, 58, 184, 31, 44, 137, 14, 38, 105, 8, 23, 61,
+ 125, 34, 187, 52, 41, 133, 6, 31, 56, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 37, 109, 153, 51, 102, 147, 23, 87, 128, 8, 67, 101, 1, 41, 63, 1, 19, 29,
+ 31, 154, 185, 17, 127, 175, 6, 96, 145, 2, 73, 114, 1, 51, 82, 1, 28, 45,
+ 23, 163, 200, 10, 131, 185, 2, 93, 148, 1, 67, 111, 1, 41, 69, 1, 14, 24,
+ 29, 176, 217, 12, 145, 201, 3, 101, 156, 1, 69, 111, 1, 39, 63, 1, 14, 23,
+ 57, 192, 233, 25, 154, 215, 6, 109, 167, 3, 78, 118, 1, 48, 69, 1, 21, 29,
+ 202, 105, 245, 108, 106, 216, 18, 90, 144, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 33, 172, 219, 64, 149, 206, 14, 117, 177, 5, 90, 141, 2, 61, 95, 1, 37, 57,
+ 33, 179, 220, 11, 140, 198, 1, 89, 148, 1, 60, 104, 1, 33, 57, 1, 12, 21,
+ 30, 181, 221, 8, 141, 198, 1, 87, 145, 1, 58, 100, 1, 31, 55, 1, 12, 20,
+ 32, 186, 224, 7, 142, 198, 1, 86, 143, 1, 58, 100, 1, 31, 55, 1, 12, 22,
+ 57, 192, 227, 20, 143, 204, 3, 96, 154, 1, 68, 112, 1, 42, 69, 1, 19, 32,
+ 212, 35, 215, 113, 47, 169, 29, 48, 105, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 74, 129, 203, 106, 120, 203, 49, 107, 178, 19, 84, 144, 4, 50, 84, 1, 15, 25,
+ 71, 172, 217, 44, 141, 209, 15, 102, 173, 6, 76, 133, 2, 51, 89, 1, 24, 42,
+ 64, 185, 231, 31, 148, 216, 8, 103, 175, 3, 74, 131, 1, 46, 81, 1, 18, 30,
+ 65, 196, 235, 25, 157, 221, 5, 105, 174, 1, 67, 120, 1, 38, 69, 1, 15, 30,
+ 65, 204, 238, 30, 156, 224, 7, 107, 177, 2, 70, 124, 1, 42, 73, 1, 18, 34,
+ 225, 86, 251, 144, 104, 235, 42, 99, 181, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 85, 175, 239, 112, 165, 229, 29, 136, 200, 12, 103, 162, 6, 77, 123, 2, 53, 84,
+ 75, 183, 239, 30, 155, 221, 3, 106, 171, 1, 74, 128, 1, 44, 76, 1, 17, 28,
+ 73, 185, 240, 27, 159, 222, 2, 107, 172, 1, 75, 127, 1, 42, 73, 1, 17, 29,
+ 62, 190, 238, 21, 159, 222, 2, 107, 172, 1, 72, 122, 1, 40, 71, 1, 18, 32,
+ 61, 199, 240, 27, 161, 226, 4, 113, 180, 1, 76, 129, 1, 46, 80, 1, 23, 41,
+ 7, 27, 153, 5, 30, 95, 1, 16, 30, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 50, 75, 127, 57, 75, 124, 27, 67, 108, 10, 54, 86, 1, 33, 52, 1, 12, 18,
+ 43, 125, 151, 26, 108, 148, 7, 83, 122, 2, 59, 89, 1, 38, 60, 1, 17, 27,
+ 23, 144, 163, 13, 112, 154, 2, 75, 117, 1, 50, 81, 1, 31, 51, 1, 14, 23,
+ 18, 162, 185, 6, 123, 171, 1, 78, 125, 1, 51, 86, 1, 31, 54, 1, 14, 23,
+ 15, 199, 227, 3, 150, 204, 1, 91, 146, 1, 55, 95, 1, 30, 53, 1, 11, 20,
+ 19, 55, 240, 19, 59, 196, 3, 52, 105, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 41, 166, 207, 104, 153, 199, 31, 123, 181, 14, 101, 152, 5, 72, 106, 1, 36, 52,
+ 35, 176, 211, 12, 131, 190, 2, 88, 144, 1, 60, 101, 1, 36, 60, 1, 16, 28,
+ 28, 183, 213, 8, 134, 191, 1, 86, 142, 1, 56, 96, 1, 30, 53, 1, 12, 20,
+ 20, 190, 215, 4, 135, 192, 1, 84, 139, 1, 53, 91, 1, 28, 49, 1, 11, 20,
+ 13, 196, 216, 2, 137, 192, 1, 86, 143, 1, 57, 99, 1, 32, 56, 1, 13, 24,
+ 211, 29, 217, 96, 47, 156, 22, 43, 87, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 78, 120, 193, 111, 116, 186, 46, 102, 164, 15, 80, 128, 2, 49, 76, 1, 18, 28,
+ 71, 161, 203, 42, 132, 192, 10, 98, 150, 3, 69, 109, 1, 44, 70, 1, 18, 29,
+ 57, 186, 211, 30, 140, 196, 4, 93, 146, 1, 62, 102, 1, 38, 65, 1, 16, 27,
+ 47, 199, 217, 14, 145, 196, 1, 88, 142, 1, 57, 98, 1, 36, 62, 1, 15, 26,
+ 26, 219, 229, 5, 155, 207, 1, 94, 151, 1, 60, 104, 1, 36, 62, 1, 16, 28,
+ 233, 29, 248, 146, 47, 220, 43, 52, 140, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 100, 163, 232, 179, 161, 222, 63, 142, 204, 37, 113, 174, 26, 89, 137, 18, 68, 97,
+ 85, 181, 230, 32, 146, 209, 7, 100, 164, 3, 71, 121, 1, 45, 77, 1, 18, 30,
+ 65, 187, 230, 20, 148, 207, 2, 97, 159, 1, 68, 116, 1, 40, 70, 1, 14, 29,
+ 40, 194, 227, 8, 147, 204, 1, 94, 155, 1, 65, 112, 1, 39, 66, 1, 14, 26,
+ 16, 208, 228, 3, 151, 207, 1, 98, 160, 1, 67, 117, 1, 41, 74, 1, 17, 31,
+ 17, 38, 140, 7, 34, 80, 1, 17, 29, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 37, 75, 128, 41, 76, 128, 26, 66, 116, 12, 52, 94, 2, 32, 55, 1, 10, 16,
+ 50, 127, 154, 37, 109, 152, 16, 82, 121, 5, 59, 85, 1, 35, 54, 1, 13, 20,
+ 40, 142, 167, 17, 110, 157, 2, 71, 112, 1, 44, 72, 1, 27, 45, 1, 11, 17,
+ 30, 175, 188, 9, 124, 169, 1, 74, 116, 1, 48, 78, 1, 30, 49, 1, 11, 18,
+ 10, 222, 223, 2, 150, 194, 1, 83, 128, 1, 48, 79, 1, 27, 45, 1, 11, 17,
+ 36, 41, 235, 29, 36, 193, 10, 27, 111, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 85, 165, 222, 177, 162, 215, 110, 135, 195, 57, 113, 168, 23, 83, 120, 10, 49, 61,
+ 85, 190, 223, 36, 139, 200, 5, 90, 146, 1, 60, 103, 1, 38, 65, 1, 18, 30,
+ 72, 202, 223, 23, 141, 199, 2, 86, 140, 1, 56, 97, 1, 36, 61, 1, 16, 27,
+ 55, 218, 225, 13, 145, 200, 1, 86, 141, 1, 57, 99, 1, 35, 61, 1, 13, 22,
+ 15, 235, 212, 1, 132, 184, 1, 84, 139, 1, 57, 97, 1, 34, 56, 1, 14, 23,
+ 181, 21, 201, 61, 37, 123, 10, 38, 71, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 47, 106, 172, 95, 104, 173, 42, 93, 159, 18, 77, 131, 4, 50, 81, 1, 17, 23,
+ 62, 147, 199, 44, 130, 189, 28, 102, 154, 18, 75, 115, 2, 44, 65, 1, 12, 19,
+ 55, 153, 210, 24, 130, 194, 3, 93, 146, 1, 61, 97, 1, 31, 50, 1, 10, 16,
+ 49, 186, 223, 17, 148, 204, 1, 96, 142, 1, 53, 83, 1, 26, 44, 1, 11, 17,
+ 13, 217, 212, 2, 136, 180, 1, 78, 124, 1, 50, 83, 1, 29, 49, 1, 14, 23,
+ 197, 13, 247, 82, 17, 222, 25, 17, 162, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 126, 186, 247, 234, 191, 243, 176, 177, 234, 104, 158, 220, 66, 128, 186, 55, 90, 137,
+ 111, 197, 242, 46, 158, 219, 9, 104, 171, 2, 65, 125, 1, 44, 80, 1, 17, 91,
+ 104, 208, 245, 39, 168, 224, 3, 109, 162, 1, 79, 124, 1, 50, 102, 1, 43, 102,
+ 84, 220, 246, 31, 177, 231, 2, 115, 180, 1, 79, 134, 1, 55, 77, 1, 60, 79,
+ 43, 243, 240, 8, 180, 217, 1, 115, 166, 1, 84, 121, 1, 51, 67, 1, 16, 6,
+ },
+ .switchable_interp_prob{235, 162, 36, 255, 34, 3, 149, 144},
+ .inter_mode_prob{
+ 2, 173, 34, 0, 7, 145, 85, 0, 7, 166, 63, 0, 7, 94,
+ 66, 0, 8, 64, 46, 0, 17, 81, 31, 0, 25, 29, 30, 0,
+ },
+ .intra_inter_prob{9, 102, 187, 225},
+ .comp_inter_prob{9, 102, 187, 225, 0},
+ .single_ref_prob{33, 16, 77, 74, 142, 142, 172, 170, 238, 247},
+ .comp_ref_prob{50, 126, 123, 221, 226},
+ .tx_32x32_prob{3, 136, 37, 5, 52, 13},
+ .tx_16x16_prob{20, 152, 15, 101},
+ .tx_8x8_prob{100, 66},
+ .skip_probs{192, 128, 64},
+ .joints{32, 64, 96},
+ .sign{128, 128},
+ .classes{
+ 224, 144, 192, 168, 192, 176, 192, 198, 198, 245,
+ 216, 128, 176, 160, 176, 176, 192, 198, 198, 208,
+ },
+ .class_0{216, 208},
+ .prob_bits{
+ 136, 140, 148, 160, 176, 192, 224, 234, 234, 240,
+ 136, 140, 148, 160, 176, 192, 224, 234, 234, 240,
+ },
+ .class_0_fr{128, 128, 64, 96, 112, 64, 128, 128, 64, 96, 112, 64},
+ .fr{64, 96, 64, 64, 96, 64},
+ .class_0_hp{160, 160},
+ .high_precision{128, 128},
+};
+
+constexpr std::array<s32, 256> norm_lut{
+ 0, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+ 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+};
+
+constexpr std::array<s32, 254> map_lut{
+ 20, 21, 22, 23, 24, 25, 0, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
+ 1, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 2, 50, 51, 52, 53, 54,
+ 55, 56, 57, 58, 59, 60, 61, 3, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72,
+ 73, 4, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 5, 86, 87, 88, 89,
+ 90, 91, 92, 93, 94, 95, 96, 97, 6, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107,
+ 108, 109, 7, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 8, 122, 123, 124,
+ 125, 126, 127, 128, 129, 130, 131, 132, 133, 9, 134, 135, 136, 137, 138, 139, 140, 141, 142,
+ 143, 144, 145, 10, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 11, 158, 159,
+ 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 12, 170, 171, 172, 173, 174, 175, 176, 177,
+ 178, 179, 180, 181, 13, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 14, 194,
+ 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 15, 206, 207, 208, 209, 210, 211, 212,
+ 213, 214, 215, 216, 217, 16, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 17,
+ 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 18, 242, 243, 244, 245, 246, 247,
+ 248, 249, 250, 251, 252, 253, 19,
+};
+
+// 6.2.14 Tile size calculation
+
+[[nodiscard]] s32 CalcMinLog2TileCols(s32 frame_width) {
+ const s32 sb64_cols = (frame_width + 63) / 64;
+ s32 min_log2 = 0;
+
+ while ((64 << min_log2) < sb64_cols) {
+ min_log2++;
+ }
+
+ return min_log2;
+}
+
+[[nodiscard]] s32 CalcMaxLog2TileCols(s32 frame_width) {
+ const s32 sb64_cols = (frame_width + 63) / 64;
+ s32 max_log2 = 1;
+
+ while ((sb64_cols >> max_log2) >= 4) {
+ max_log2++;
+ }
+
+ return max_log2 - 1;
+}
+
+// Recenters probability. Based on section 6.3.6 of VP9 Specification
+[[nodiscard]] s32 RecenterNonNeg(s32 new_prob, s32 old_prob) {
+ if (new_prob > old_prob * 2) {
+ return new_prob;
+ }
+
+ if (new_prob >= old_prob) {
+ return (new_prob - old_prob) * 2;
+ }
+
+ return (old_prob - new_prob) * 2 - 1;
+}
+
+// Adjusts old_prob depending on new_prob. Based on section 6.3.5 of VP9 Specification
+[[nodiscard]] s32 RemapProbability(s32 new_prob, s32 old_prob) {
+ new_prob--;
+ old_prob--;
+
+ std::size_t index{};
+
+ if (old_prob * 2 <= 0xff) {
+ index = static_cast<std::size_t>(std::max(0, RecenterNonNeg(new_prob, old_prob) - 1));
+ } else {
+ index = static_cast<std::size_t>(
+ std::max(0, RecenterNonNeg(0xff - 1 - new_prob, 0xff - 1 - old_prob) - 1));
+ }
+
+ return map_lut[index];
+}
+} // Anonymous namespace
+
+VP9::VP9(GPU& gpu_) : gpu{gpu_} {}
+
+VP9::~VP9() = default;
+
+void VP9::WriteProbabilityUpdate(VpxRangeEncoder& writer, u8 new_prob, u8 old_prob) {
+ const bool update = new_prob != old_prob;
+
+ writer.Write(update, diff_update_probability);
+
+ if (update) {
+ WriteProbabilityDelta(writer, new_prob, old_prob);
+ }
+}
+template <typename T, std::size_t N>
+void VP9::WriteProbabilityUpdate(VpxRangeEncoder& writer, const std::array<T, N>& new_prob,
+ const std::array<T, N>& old_prob) {
+ for (std::size_t offset = 0; offset < new_prob.size(); ++offset) {
+ WriteProbabilityUpdate(writer, new_prob[offset], old_prob[offset]);
+ }
+}
+
+template <typename T, std::size_t N>
+void VP9::WriteProbabilityUpdateAligned4(VpxRangeEncoder& writer, const std::array<T, N>& new_prob,
+ const std::array<T, N>& old_prob) {
+ for (std::size_t offset = 0; offset < new_prob.size(); offset += 4) {
+ WriteProbabilityUpdate(writer, new_prob[offset + 0], old_prob[offset + 0]);
+ WriteProbabilityUpdate(writer, new_prob[offset + 1], old_prob[offset + 1]);
+ WriteProbabilityUpdate(writer, new_prob[offset + 2], old_prob[offset + 2]);
+ }
+}
+
+void VP9::WriteProbabilityDelta(VpxRangeEncoder& writer, u8 new_prob, u8 old_prob) {
+ const int delta = RemapProbability(new_prob, old_prob);
+
+ EncodeTermSubExp(writer, delta);
+}
+
+void VP9::EncodeTermSubExp(VpxRangeEncoder& writer, s32 value) {
+ if (WriteLessThan(writer, value, 16)) {
+ writer.Write(value, 4);
+ } else if (WriteLessThan(writer, value, 32)) {
+ writer.Write(value - 16, 4);
+ } else if (WriteLessThan(writer, value, 64)) {
+ writer.Write(value - 32, 5);
+ } else {
+ value -= 64;
+
+ constexpr s32 size = 8;
+
+ const s32 mask = (1 << size) - 191;
+
+ const s32 delta = value - mask;
+
+ if (delta < 0) {
+ writer.Write(value, size - 1);
+ } else {
+ writer.Write(delta / 2 + mask, size - 1);
+ writer.Write(delta & 1, 1);
+ }
+ }
+}
+
+bool VP9::WriteLessThan(VpxRangeEncoder& writer, s32 value, s32 test) {
+ const bool is_lt = value < test;
+ writer.Write(!is_lt);
+ return is_lt;
+}
+
+void VP9::WriteCoefProbabilityUpdate(VpxRangeEncoder& writer, s32 tx_mode,
+ const std::array<u8, 1728>& new_prob,
+ const std::array<u8, 1728>& old_prob) {
+ constexpr u32 block_bytes = 2 * 2 * 6 * 6 * 3;
+
+ const auto needs_update = [&](u32 base_index) {
+ return !std::equal(new_prob.begin() + base_index,
+ new_prob.begin() + base_index + block_bytes,
+ old_prob.begin() + base_index);
+ };
+
+ for (u32 block_index = 0; block_index < 4; block_index++) {
+ const u32 base_index = block_index * block_bytes;
+ const bool update = needs_update(base_index);
+ writer.Write(update);
+
+ if (update) {
+ u32 index = base_index;
+ for (s32 i = 0; i < 2; i++) {
+ for (s32 j = 0; j < 2; j++) {
+ for (s32 k = 0; k < 6; k++) {
+ for (s32 l = 0; l < 6; l++) {
+ if (k != 0 || l < 3) {
+ WriteProbabilityUpdate(writer, new_prob[index + 0],
+ old_prob[index + 0]);
+ WriteProbabilityUpdate(writer, new_prob[index + 1],
+ old_prob[index + 1]);
+ WriteProbabilityUpdate(writer, new_prob[index + 2],
+ old_prob[index + 2]);
+ }
+ index += 3;
+ }
+ }
+ }
+ }
+ }
+ if (block_index == static_cast<u32>(tx_mode)) {
+ break;
+ }
+ }
+}
+
+void VP9::WriteMvProbabilityUpdate(VpxRangeEncoder& writer, u8 new_prob, u8 old_prob) {
+ const bool update = new_prob != old_prob;
+ writer.Write(update, diff_update_probability);
+
+ if (update) {
+ writer.Write(new_prob >> 1, 7);
+ }
+}
+
+Vp9PictureInfo VP9::GetVp9PictureInfo(const NvdecCommon::NvdecRegisters& state) {
+ PictureInfo picture_info{};
+ gpu.MemoryManager().ReadBlock(state.picture_info_offset, &picture_info, sizeof(PictureInfo));
+ Vp9PictureInfo vp9_info = picture_info.Convert();
+
+ InsertEntropy(state.vp9_entropy_probs_offset, vp9_info.entropy);
+
+ // surface_luma_offset[0:3] contains the address of the reference frame offsets in the following
+ // order: last, golden, altref, current. It may be worthwhile to track the updates done here
+ // to avoid buffering frame data needed for reference frame updating in the header composition.
+ std::memcpy(vp9_info.frame_offsets.data(), state.surface_luma_offset.data(), 4 * sizeof(u64));
+
+ return vp9_info;
+}
+
+void VP9::InsertEntropy(u64 offset, Vp9EntropyProbs& dst) {
+ EntropyProbs entropy{};
+ gpu.MemoryManager().ReadBlock(offset, &entropy, sizeof(EntropyProbs));
+ entropy.Convert(dst);
+}
+
+Vp9FrameContainer VP9::GetCurrentFrame(const NvdecCommon::NvdecRegisters& state) {
+ Vp9FrameContainer current_frame{};
+ {
+ gpu.SyncGuestHost();
+ current_frame.info = GetVp9PictureInfo(state);
+ current_frame.bit_stream.resize(current_frame.info.bitstream_size);
+ gpu.MemoryManager().ReadBlock(state.frame_bitstream_offset, current_frame.bit_stream.data(),
+ current_frame.info.bitstream_size);
+ }
+ // Buffer two frames, saving the last show frame info
+ if (!next_next_frame.bit_stream.empty()) {
+ Vp9FrameContainer temp{
+ .info = current_frame.info,
+ .bit_stream = std::move(current_frame.bit_stream),
+ };
+ next_next_frame.info.show_frame = current_frame.info.last_frame_shown;
+ current_frame.info = next_next_frame.info;
+ current_frame.bit_stream = std::move(next_next_frame.bit_stream);
+ next_next_frame = std::move(temp);
+
+ if (!next_frame.bit_stream.empty()) {
+ Vp9FrameContainer temp2{
+ .info = current_frame.info,
+ .bit_stream = std::move(current_frame.bit_stream),
+ };
+ next_frame.info.show_frame = current_frame.info.last_frame_shown;
+ current_frame.info = next_frame.info;
+ current_frame.bit_stream = std::move(next_frame.bit_stream);
+ next_frame = std::move(temp2);
+ } else {
+ next_frame.info = current_frame.info;
+ next_frame.bit_stream = std::move(current_frame.bit_stream);
+ }
+ } else {
+ next_next_frame.info = current_frame.info;
+ next_next_frame.bit_stream = std::move(current_frame.bit_stream);
+ }
+ return current_frame;
+}
+
+std::vector<u8> VP9::ComposeCompressedHeader() {
+ VpxRangeEncoder writer{};
+ const bool update_probs = current_frame_info.show_frame && !current_frame_info.is_key_frame;
+ if (!current_frame_info.lossless) {
+ if (static_cast<u32>(current_frame_info.transform_mode) >= 3) {
+ writer.Write(3, 2);
+ writer.Write(current_frame_info.transform_mode == 4);
+ } else {
+ writer.Write(current_frame_info.transform_mode, 2);
+ }
+ }
+
+ if (current_frame_info.transform_mode == 4) {
+ // tx_mode_probs() in the spec
+ WriteProbabilityUpdate(writer, current_frame_info.entropy.tx_8x8_prob,
+ prev_frame_probs.tx_8x8_prob);
+ WriteProbabilityUpdate(writer, current_frame_info.entropy.tx_16x16_prob,
+ prev_frame_probs.tx_16x16_prob);
+ WriteProbabilityUpdate(writer, current_frame_info.entropy.tx_32x32_prob,
+ prev_frame_probs.tx_32x32_prob);
+ if (update_probs) {
+ prev_frame_probs.tx_8x8_prob = current_frame_info.entropy.tx_8x8_prob;
+ prev_frame_probs.tx_16x16_prob = current_frame_info.entropy.tx_16x16_prob;
+ prev_frame_probs.tx_32x32_prob = current_frame_info.entropy.tx_32x32_prob;
+ }
+ }
+ // read_coef_probs() in the spec
+ WriteCoefProbabilityUpdate(writer, current_frame_info.transform_mode,
+ current_frame_info.entropy.coef_probs, prev_frame_probs.coef_probs);
+ // read_skip_probs() in the spec
+ WriteProbabilityUpdate(writer, current_frame_info.entropy.skip_probs,
+ prev_frame_probs.skip_probs);
+
+ if (update_probs) {
+ prev_frame_probs.coef_probs = current_frame_info.entropy.coef_probs;
+ prev_frame_probs.skip_probs = current_frame_info.entropy.skip_probs;
+ }
+
+ if (!current_frame_info.intra_only) {
+ // read_inter_probs() in the spec
+ WriteProbabilityUpdateAligned4(writer, current_frame_info.entropy.inter_mode_prob,
+ prev_frame_probs.inter_mode_prob);
+
+ if (current_frame_info.interp_filter == 4) {
+ // read_interp_filter_probs() in the spec
+ WriteProbabilityUpdate(writer, current_frame_info.entropy.switchable_interp_prob,
+ prev_frame_probs.switchable_interp_prob);
+ if (update_probs) {
+ prev_frame_probs.switchable_interp_prob =
+ current_frame_info.entropy.switchable_interp_prob;
+ }
+ }
+
+ // read_is_inter_probs() in the spec
+ WriteProbabilityUpdate(writer, current_frame_info.entropy.intra_inter_prob,
+ prev_frame_probs.intra_inter_prob);
+
+ // frame_reference_mode() in the spec
+ if ((current_frame_info.ref_frame_sign_bias[1] & 1) !=
+ (current_frame_info.ref_frame_sign_bias[2] & 1) ||
+ (current_frame_info.ref_frame_sign_bias[1] & 1) !=
+ (current_frame_info.ref_frame_sign_bias[3] & 1)) {
+ if (current_frame_info.reference_mode >= 1) {
+ writer.Write(1, 1);
+ writer.Write(current_frame_info.reference_mode == 2);
+ } else {
+ writer.Write(0, 1);
+ }
+ }
+
+ // frame_reference_mode_probs() in the spec
+ if (current_frame_info.reference_mode == 2) {
+ WriteProbabilityUpdate(writer, current_frame_info.entropy.comp_inter_prob,
+ prev_frame_probs.comp_inter_prob);
+ if (update_probs) {
+ prev_frame_probs.comp_inter_prob = current_frame_info.entropy.comp_inter_prob;
+ }
+ }
+
+ if (current_frame_info.reference_mode != 1) {
+ WriteProbabilityUpdate(writer, current_frame_info.entropy.single_ref_prob,
+ prev_frame_probs.single_ref_prob);
+ if (update_probs) {
+ prev_frame_probs.single_ref_prob = current_frame_info.entropy.single_ref_prob;
+ }
+ }
+
+ if (current_frame_info.reference_mode != 0) {
+ WriteProbabilityUpdate(writer, current_frame_info.entropy.comp_ref_prob,
+ prev_frame_probs.comp_ref_prob);
+ if (update_probs) {
+ prev_frame_probs.comp_ref_prob = current_frame_info.entropy.comp_ref_prob;
+ }
+ }
+
+ // read_y_mode_probs
+ for (std::size_t index = 0; index < current_frame_info.entropy.y_mode_prob.size();
+ ++index) {
+ WriteProbabilityUpdate(writer, current_frame_info.entropy.y_mode_prob[index],
+ prev_frame_probs.y_mode_prob[index]);
+ }
+
+ // read_partition_probs
+ WriteProbabilityUpdateAligned4(writer, current_frame_info.entropy.partition_prob,
+ prev_frame_probs.partition_prob);
+
+ // mv_probs
+ for (s32 i = 0; i < 3; i++) {
+ WriteMvProbabilityUpdate(writer, current_frame_info.entropy.joints[i],
+ prev_frame_probs.joints[i]);
+ }
+ if (update_probs) {
+ prev_frame_probs.inter_mode_prob = current_frame_info.entropy.inter_mode_prob;
+ prev_frame_probs.intra_inter_prob = current_frame_info.entropy.intra_inter_prob;
+ prev_frame_probs.y_mode_prob = current_frame_info.entropy.y_mode_prob;
+ prev_frame_probs.partition_prob = current_frame_info.entropy.partition_prob;
+ prev_frame_probs.joints = current_frame_info.entropy.joints;
+ }
+
+ for (s32 i = 0; i < 2; i++) {
+ WriteMvProbabilityUpdate(writer, current_frame_info.entropy.sign[i],
+ prev_frame_probs.sign[i]);
+ for (s32 j = 0; j < 10; j++) {
+ const int index = i * 10 + j;
+ WriteMvProbabilityUpdate(writer, current_frame_info.entropy.classes[index],
+ prev_frame_probs.classes[index]);
+ }
+ WriteMvProbabilityUpdate(writer, current_frame_info.entropy.class_0[i],
+ prev_frame_probs.class_0[i]);
+
+ for (s32 j = 0; j < 10; j++) {
+ const int index = i * 10 + j;
+ WriteMvProbabilityUpdate(writer, current_frame_info.entropy.prob_bits[index],
+ prev_frame_probs.prob_bits[index]);
+ }
+ }
+
+ for (s32 i = 0; i < 2; i++) {
+ for (s32 j = 0; j < 2; j++) {
+ for (s32 k = 0; k < 3; k++) {
+ const int index = i * 2 * 3 + j * 3 + k;
+ WriteMvProbabilityUpdate(writer, current_frame_info.entropy.class_0_fr[index],
+ prev_frame_probs.class_0_fr[index]);
+ }
+ }
+
+ for (s32 j = 0; j < 3; j++) {
+ const int index = i * 3 + j;
+ WriteMvProbabilityUpdate(writer, current_frame_info.entropy.fr[index],
+ prev_frame_probs.fr[index]);
+ }
+ }
+
+ if (current_frame_info.allow_high_precision_mv) {
+ for (s32 index = 0; index < 2; index++) {
+ WriteMvProbabilityUpdate(writer, current_frame_info.entropy.class_0_hp[index],
+ prev_frame_probs.class_0_hp[index]);
+ WriteMvProbabilityUpdate(writer, current_frame_info.entropy.high_precision[index],
+ prev_frame_probs.high_precision[index]);
+ }
+ }
+
+ // save previous probs
+ if (update_probs) {
+ prev_frame_probs.sign = current_frame_info.entropy.sign;
+ prev_frame_probs.classes = current_frame_info.entropy.classes;
+ prev_frame_probs.class_0 = current_frame_info.entropy.class_0;
+ prev_frame_probs.prob_bits = current_frame_info.entropy.prob_bits;
+ prev_frame_probs.class_0_fr = current_frame_info.entropy.class_0_fr;
+ prev_frame_probs.fr = current_frame_info.entropy.fr;
+ prev_frame_probs.class_0_hp = current_frame_info.entropy.class_0_hp;
+ prev_frame_probs.high_precision = current_frame_info.entropy.high_precision;
+ }
+ }
+ writer.End();
+ return writer.GetBuffer();
+}
+
+VpxBitStreamWriter VP9::ComposeUncompressedHeader() {
+ VpxBitStreamWriter uncomp_writer{};
+
+ uncomp_writer.WriteU(2, 2); // Frame marker.
+ uncomp_writer.WriteU(0, 2); // Profile.
+ uncomp_writer.WriteBit(false); // Show existing frame.
+ uncomp_writer.WriteBit(!current_frame_info.is_key_frame); // is key frame?
+ uncomp_writer.WriteBit(current_frame_info.show_frame); // show frame?
+ uncomp_writer.WriteBit(current_frame_info.error_resilient_mode); // error reslience
+
+ if (current_frame_info.is_key_frame) {
+ uncomp_writer.WriteU(frame_sync_code, 24);
+ uncomp_writer.WriteU(0, 3); // Color space.
+ uncomp_writer.WriteU(0, 1); // Color range.
+ uncomp_writer.WriteU(current_frame_info.frame_size.width - 1, 16);
+ uncomp_writer.WriteU(current_frame_info.frame_size.height - 1, 16);
+ uncomp_writer.WriteBit(false); // Render and frame size different.
+
+ // Reset context
+ prev_frame_probs = default_probs;
+ swap_next_golden = false;
+ loop_filter_ref_deltas.fill(0);
+ loop_filter_mode_deltas.fill(0);
+
+ // allow frames offsets to stabilize before checking for golden frames
+ grace_period = 4;
+
+ // On key frames, all frame slots are set to the current frame,
+ // so the value of the selected slot doesn't really matter.
+ frame_ctxs.fill({current_frame_number, false, default_probs});
+
+ // intra only, meaning the frame can be recreated with no other references
+ current_frame_info.intra_only = true;
+
+ } else {
+
+ if (!current_frame_info.show_frame) {
+ uncomp_writer.WriteBit(current_frame_info.intra_only);
+ if (!current_frame_info.last_frame_was_key) {
+ swap_next_golden = !swap_next_golden;
+ }
+ } else {
+ current_frame_info.intra_only = false;
+ }
+ if (!current_frame_info.error_resilient_mode) {
+ uncomp_writer.WriteU(0, 2); // Reset frame context.
+ }
+
+ // Last, Golden, Altref frames
+ std::array<s32, 3> ref_frame_index{0, 1, 2};
+
+ // Set when next frame is hidden
+ // altref and golden references are swapped
+ if (swap_next_golden) {
+ ref_frame_index = std::array<s32, 3>{0, 2, 1};
+ }
+
+ // update Last Frame
+ u64 refresh_frame_flags = 1;
+
+ // golden frame may refresh, determined if the next golden frame offset is changed
+ bool golden_refresh = false;
+ if (grace_period <= 0) {
+ for (s32 index = 1; index < 3; ++index) {
+ if (current_frame_info.frame_offsets[index] !=
+ next_frame.info.frame_offsets[index]) {
+ current_frame_info.refresh_frame[index] = true;
+ golden_refresh = true;
+ grace_period = 3;
+ }
+ }
+ }
+
+ if (current_frame_info.show_frame &&
+ (!next_frame.info.show_frame || next_frame.info.is_key_frame)) {
+ // Update golden frame
+ refresh_frame_flags = swap_next_golden ? 2 : 4;
+ }
+
+ if (!current_frame_info.show_frame) {
+ // Update altref
+ refresh_frame_flags = swap_next_golden ? 2 : 4;
+ } else if (golden_refresh) {
+ refresh_frame_flags = 3;
+ }
+
+ if (current_frame_info.intra_only) {
+ uncomp_writer.WriteU(frame_sync_code, 24);
+ uncomp_writer.WriteU(static_cast<s32>(refresh_frame_flags), 8);
+ uncomp_writer.WriteU(current_frame_info.frame_size.width - 1, 16);
+ uncomp_writer.WriteU(current_frame_info.frame_size.height - 1, 16);
+ uncomp_writer.WriteBit(false); // Render and frame size different.
+ } else {
+ uncomp_writer.WriteU(static_cast<s32>(refresh_frame_flags), 8);
+
+ for (s32 index = 1; index < 4; index++) {
+ uncomp_writer.WriteU(ref_frame_index[index - 1], 3);
+ uncomp_writer.WriteU(current_frame_info.ref_frame_sign_bias[index], 1);
+ }
+
+ uncomp_writer.WriteBit(true); // Frame size with refs.
+ uncomp_writer.WriteBit(false); // Render and frame size different.
+ uncomp_writer.WriteBit(current_frame_info.allow_high_precision_mv);
+ uncomp_writer.WriteBit(current_frame_info.interp_filter == 4);
+
+ if (current_frame_info.interp_filter != 4) {
+ uncomp_writer.WriteU(current_frame_info.interp_filter, 2);
+ }
+ }
+ }
+
+ if (!current_frame_info.error_resilient_mode) {
+ uncomp_writer.WriteBit(true); // Refresh frame context. where do i get this info from?
+ uncomp_writer.WriteBit(true); // Frame parallel decoding mode.
+ }
+
+ int frame_ctx_idx = 0;
+ if (!current_frame_info.show_frame) {
+ frame_ctx_idx = 1;
+ }
+
+ uncomp_writer.WriteU(frame_ctx_idx, 2); // Frame context index.
+ prev_frame_probs =
+ frame_ctxs[frame_ctx_idx].probs; // reference probabilities for compressed header
+ frame_ctxs[frame_ctx_idx] = {current_frame_number, false, current_frame_info.entropy};
+
+ uncomp_writer.WriteU(current_frame_info.first_level, 6);
+ uncomp_writer.WriteU(current_frame_info.sharpness_level, 3);
+ uncomp_writer.WriteBit(current_frame_info.mode_ref_delta_enabled);
+
+ if (current_frame_info.mode_ref_delta_enabled) {
+ // check if ref deltas are different, update accordingly
+ std::array<bool, 4> update_loop_filter_ref_deltas;
+ std::array<bool, 2> update_loop_filter_mode_deltas;
+
+ bool loop_filter_delta_update = false;
+
+ for (std::size_t index = 0; index < current_frame_info.ref_deltas.size(); index++) {
+ const s8 old_deltas = loop_filter_ref_deltas[index];
+ const s8 new_deltas = current_frame_info.ref_deltas[index];
+ const bool differing_delta = old_deltas != new_deltas;
+
+ update_loop_filter_ref_deltas[index] = differing_delta;
+ loop_filter_delta_update |= differing_delta;
+ }
+
+ for (std::size_t index = 0; index < current_frame_info.mode_deltas.size(); index++) {
+ const s8 old_deltas = loop_filter_mode_deltas[index];
+ const s8 new_deltas = current_frame_info.mode_deltas[index];
+ const bool differing_delta = old_deltas != new_deltas;
+
+ update_loop_filter_mode_deltas[index] = differing_delta;
+ loop_filter_delta_update |= differing_delta;
+ }
+
+ uncomp_writer.WriteBit(loop_filter_delta_update);
+
+ if (loop_filter_delta_update) {
+ for (std::size_t index = 0; index < current_frame_info.ref_deltas.size(); index++) {
+ uncomp_writer.WriteBit(update_loop_filter_ref_deltas[index]);
+
+ if (update_loop_filter_ref_deltas[index]) {
+ uncomp_writer.WriteS(current_frame_info.ref_deltas[index], 6);
+ }
+ }
+
+ for (std::size_t index = 0; index < current_frame_info.mode_deltas.size(); index++) {
+ uncomp_writer.WriteBit(update_loop_filter_mode_deltas[index]);
+
+ if (update_loop_filter_mode_deltas[index]) {
+ uncomp_writer.WriteS(current_frame_info.mode_deltas[index], 6);
+ }
+ }
+ // save new deltas
+ loop_filter_ref_deltas = current_frame_info.ref_deltas;
+ loop_filter_mode_deltas = current_frame_info.mode_deltas;
+ }
+ }
+
+ uncomp_writer.WriteU(current_frame_info.base_q_index, 8);
+
+ uncomp_writer.WriteDeltaQ(current_frame_info.y_dc_delta_q);
+ uncomp_writer.WriteDeltaQ(current_frame_info.uv_dc_delta_q);
+ uncomp_writer.WriteDeltaQ(current_frame_info.uv_ac_delta_q);
+
+ uncomp_writer.WriteBit(false); // Segmentation enabled (TODO).
+
+ const s32 min_tile_cols_log2 = CalcMinLog2TileCols(current_frame_info.frame_size.width);
+ const s32 max_tile_cols_log2 = CalcMaxLog2TileCols(current_frame_info.frame_size.width);
+
+ const s32 tile_cols_log2_diff = current_frame_info.log2_tile_cols - min_tile_cols_log2;
+ const s32 tile_cols_log2_inc_mask = (1 << tile_cols_log2_diff) - 1;
+
+ // If it's less than the maximum, we need to add an extra 0 on the bitstream
+ // to indicate that it should stop reading.
+ if (current_frame_info.log2_tile_cols < max_tile_cols_log2) {
+ uncomp_writer.WriteU(tile_cols_log2_inc_mask << 1, tile_cols_log2_diff + 1);
+ } else {
+ uncomp_writer.WriteU(tile_cols_log2_inc_mask, tile_cols_log2_diff);
+ }
+
+ const bool tile_rows_log2_is_nonzero = current_frame_info.log2_tile_rows != 0;
+
+ uncomp_writer.WriteBit(tile_rows_log2_is_nonzero);
+
+ if (tile_rows_log2_is_nonzero) {
+ uncomp_writer.WriteBit(current_frame_info.log2_tile_rows > 1);
+ }
+
+ return uncomp_writer;
+}
+
+const std::vector<u8>& VP9::ComposeFrameHeader(const NvdecCommon::NvdecRegisters& state) {
+ std::vector<u8> bitstream;
+ {
+ Vp9FrameContainer curr_frame = GetCurrentFrame(state);
+ current_frame_info = curr_frame.info;
+ bitstream = std::move(curr_frame.bit_stream);
+ }
+
+ // The uncompressed header routine sets PrevProb parameters needed for the compressed header
+ auto uncomp_writer = ComposeUncompressedHeader();
+ std::vector<u8> compressed_header = ComposeCompressedHeader();
+
+ uncomp_writer.WriteU(static_cast<s32>(compressed_header.size()), 16);
+ uncomp_writer.Flush();
+ std::vector<u8> uncompressed_header = uncomp_writer.GetByteArray();
+
+ // Write headers and frame to buffer
+ frame.resize(uncompressed_header.size() + compressed_header.size() + bitstream.size());
+ std::memcpy(frame.data(), uncompressed_header.data(), uncompressed_header.size());
+ std::memcpy(frame.data() + uncompressed_header.size(), compressed_header.data(),
+ compressed_header.size());
+ std::memcpy(frame.data() + uncompressed_header.size() + compressed_header.size(),
+ bitstream.data(), bitstream.size());
+
+ // keep track of frame number
+ current_frame_number++;
+ grace_period--;
+
+ // don't display hidden frames
+ hidden = !current_frame_info.show_frame;
+ return frame;
+}
+
+VpxRangeEncoder::VpxRangeEncoder() {
+ Write(false);
+}
+
+VpxRangeEncoder::~VpxRangeEncoder() = default;
+
+void VpxRangeEncoder::Write(s32 value, s32 value_size) {
+ for (s32 bit = value_size - 1; bit >= 0; bit--) {
+ Write(((value >> bit) & 1) != 0);
+ }
+}
+
+void VpxRangeEncoder::Write(bool bit) {
+ Write(bit, half_probability);
+}
+
+void VpxRangeEncoder::Write(bool bit, s32 probability) {
+ u32 local_range = range;
+ const u32 split = 1 + (((local_range - 1) * static_cast<u32>(probability)) >> 8);
+ local_range = split;
+
+ if (bit) {
+ low_value += split;
+ local_range = range - split;
+ }
+
+ s32 shift = norm_lut[local_range];
+ local_range <<= shift;
+ count += shift;
+
+ if (count >= 0) {
+ const s32 offset = shift - count;
+
+ if (((low_value << (offset - 1)) >> 31) != 0) {
+ const s32 current_pos = static_cast<s32>(base_stream.GetPosition());
+ base_stream.Seek(-1, Common::SeekOrigin::FromCurrentPos);
+ while (PeekByte() == 0xff) {
+ base_stream.WriteByte(0);
+
+ base_stream.Seek(-2, Common::SeekOrigin::FromCurrentPos);
+ }
+ base_stream.WriteByte(static_cast<u8>((PeekByte() + 1)));
+ base_stream.Seek(current_pos, Common::SeekOrigin::SetOrigin);
+ }
+ base_stream.WriteByte(static_cast<u8>((low_value >> (24 - offset))));
+
+ low_value <<= offset;
+ shift = count;
+ low_value &= 0xffffff;
+ count -= 8;
+ }
+
+ low_value <<= shift;
+ range = local_range;
+}
+
+void VpxRangeEncoder::End() {
+ for (std::size_t index = 0; index < 32; ++index) {
+ Write(false);
+ }
+}
+
+u8 VpxRangeEncoder::PeekByte() {
+ const u8 value = base_stream.ReadByte();
+ base_stream.Seek(-1, Common::SeekOrigin::FromCurrentPos);
+
+ return value;
+}
+
+VpxBitStreamWriter::VpxBitStreamWriter() = default;
+
+VpxBitStreamWriter::~VpxBitStreamWriter() = default;
+
+void VpxBitStreamWriter::WriteU(u32 value, u32 value_size) {
+ WriteBits(value, value_size);
+}
+
+void VpxBitStreamWriter::WriteS(s32 value, u32 value_size) {
+ const bool sign = value < 0;
+ if (sign) {
+ value = -value;
+ }
+
+ WriteBits(static_cast<u32>(value << 1) | (sign ? 1 : 0), value_size + 1);
+}
+
+void VpxBitStreamWriter::WriteDeltaQ(u32 value) {
+ const bool delta_coded = value != 0;
+ WriteBit(delta_coded);
+
+ if (delta_coded) {
+ WriteBits(value, 4);
+ }
+}
+
+void VpxBitStreamWriter::WriteBits(u32 value, u32 bit_count) {
+ s32 value_pos = 0;
+ s32 remaining = bit_count;
+
+ while (remaining > 0) {
+ s32 copy_size = remaining;
+
+ const s32 free = GetFreeBufferBits();
+
+ if (copy_size > free) {
+ copy_size = free;
+ }
+
+ const s32 mask = (1 << copy_size) - 1;
+
+ const s32 src_shift = (bit_count - value_pos) - copy_size;
+ const s32 dst_shift = (buffer_size - buffer_pos) - copy_size;
+
+ buffer |= ((value >> src_shift) & mask) << dst_shift;
+
+ value_pos += copy_size;
+ buffer_pos += copy_size;
+ remaining -= copy_size;
+ }
+}
+
+void VpxBitStreamWriter::WriteBit(bool state) {
+ WriteBits(state ? 1 : 0, 1);
+}
+
+s32 VpxBitStreamWriter::GetFreeBufferBits() {
+ if (buffer_pos == buffer_size) {
+ Flush();
+ }
+
+ return buffer_size - buffer_pos;
+}
+
+void VpxBitStreamWriter::Flush() {
+ if (buffer_pos == 0) {
+ return;
+ }
+ byte_array.push_back(static_cast<u8>(buffer));
+ buffer = 0;
+ buffer_pos = 0;
+}
+
+std::vector<u8>& VpxBitStreamWriter::GetByteArray() {
+ return byte_array;
+}
+
+const std::vector<u8>& VpxBitStreamWriter::GetByteArray() const {
+ return byte_array;
+}
+
+} // namespace Tegra::Decoder
diff --git a/src/video_core/command_classes/codecs/vp9.h b/src/video_core/command_classes/codecs/vp9.h
new file mode 100644
index 000000000..8396c8105
--- /dev/null
+++ b/src/video_core/command_classes/codecs/vp9.h
@@ -0,0 +1,197 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <vector>
+
+#include "common/common_types.h"
+#include "common/stream.h"
+#include "video_core/command_classes/codecs/vp9_types.h"
+#include "video_core/command_classes/nvdec_common.h"
+
+namespace Tegra {
+class GPU;
+enum class FrameType { KeyFrame = 0, InterFrame = 1 };
+namespace Decoder {
+
+/// The VpxRangeEncoder, and VpxBitStreamWriter classes are used to compose the
+/// VP9 header bitstreams.
+
+class VpxRangeEncoder {
+public:
+ VpxRangeEncoder();
+ ~VpxRangeEncoder();
+
+ VpxRangeEncoder(const VpxRangeEncoder&) = delete;
+ VpxRangeEncoder& operator=(const VpxRangeEncoder&) = delete;
+
+ VpxRangeEncoder(VpxRangeEncoder&&) = default;
+ VpxRangeEncoder& operator=(VpxRangeEncoder&&) = default;
+
+ /// Writes the rightmost value_size bits from value into the stream
+ void Write(s32 value, s32 value_size);
+
+ /// Writes a single bit with half probability
+ void Write(bool bit);
+
+ /// Writes a bit to the base_stream encoded with probability
+ void Write(bool bit, s32 probability);
+
+ /// Signal the end of the bitstream
+ void End();
+
+ [[nodiscard]] std::vector<u8>& GetBuffer() {
+ return base_stream.GetBuffer();
+ }
+
+ [[nodiscard]] const std::vector<u8>& GetBuffer() const {
+ return base_stream.GetBuffer();
+ }
+
+private:
+ u8 PeekByte();
+ Common::Stream base_stream{};
+ u32 low_value{};
+ u32 range{0xff};
+ s32 count{-24};
+ s32 half_probability{128};
+};
+
+class VpxBitStreamWriter {
+public:
+ VpxBitStreamWriter();
+ ~VpxBitStreamWriter();
+
+ VpxBitStreamWriter(const VpxBitStreamWriter&) = delete;
+ VpxBitStreamWriter& operator=(const VpxBitStreamWriter&) = delete;
+
+ VpxBitStreamWriter(VpxBitStreamWriter&&) = default;
+ VpxBitStreamWriter& operator=(VpxBitStreamWriter&&) = default;
+
+ /// Write an unsigned integer value
+ void WriteU(u32 value, u32 value_size);
+
+ /// Write a signed integer value
+ void WriteS(s32 value, u32 value_size);
+
+ /// Based on 6.2.10 of VP9 Spec, writes a delta coded value
+ void WriteDeltaQ(u32 value);
+
+ /// Write a single bit.
+ void WriteBit(bool state);
+
+ /// Pushes current buffer into buffer_array, resets buffer
+ void Flush();
+
+ /// Returns byte_array
+ [[nodiscard]] std::vector<u8>& GetByteArray();
+
+ /// Returns const byte_array
+ [[nodiscard]] const std::vector<u8>& GetByteArray() const;
+
+private:
+ /// Write bit_count bits from value into buffer
+ void WriteBits(u32 value, u32 bit_count);
+
+ /// Gets next available position in buffer, invokes Flush() if buffer is full
+ s32 GetFreeBufferBits();
+
+ s32 buffer_size{8};
+
+ s32 buffer{};
+ s32 buffer_pos{};
+ std::vector<u8> byte_array;
+};
+
+class VP9 {
+public:
+ explicit VP9(GPU& gpu_);
+ ~VP9();
+
+ VP9(const VP9&) = delete;
+ VP9& operator=(const VP9&) = delete;
+
+ 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);
+
+ /// Returns true if the most recent frame was a hidden frame.
+ [[nodiscard]] bool WasFrameHidden() const {
+ return hidden;
+ }
+
+private:
+ /// Generates compressed header probability updates in the bitstream writer
+ template <typename T, std::size_t N>
+ void WriteProbabilityUpdate(VpxRangeEncoder& writer, const std::array<T, N>& new_prob,
+ const std::array<T, N>& old_prob);
+
+ /// Generates compressed header probability updates in the bitstream writer
+ /// If probs are not equal, WriteProbabilityDelta is invoked
+ void WriteProbabilityUpdate(VpxRangeEncoder& writer, u8 new_prob, u8 old_prob);
+
+ /// Generates compressed header probability deltas in the bitstream writer
+ void WriteProbabilityDelta(VpxRangeEncoder& writer, u8 new_prob, u8 old_prob);
+
+ /// Inverse of 6.3.4 Decode term subexp
+ void EncodeTermSubExp(VpxRangeEncoder& writer, s32 value);
+
+ /// Writes if the value is less than the test value
+ bool WriteLessThan(VpxRangeEncoder& writer, s32 value, s32 test);
+
+ /// Writes probability updates for the Coef probabilities
+ void WriteCoefProbabilityUpdate(VpxRangeEncoder& writer, s32 tx_mode,
+ const std::array<u8, 1728>& new_prob,
+ const std::array<u8, 1728>& old_prob);
+
+ /// Write probabilities for 4-byte aligned structures
+ template <typename T, std::size_t N>
+ void WriteProbabilityUpdateAligned4(VpxRangeEncoder& writer, const std::array<T, N>& new_prob,
+ const std::array<T, N>& old_prob);
+
+ /// Write motion vector probability updates. 6.3.17 in the spec
+ void WriteMvProbabilityUpdate(VpxRangeEncoder& writer, u8 new_prob, u8 old_prob);
+
+ /// Returns VP9 information from NVDEC provided offset and size
+ [[nodiscard]] Vp9PictureInfo GetVp9PictureInfo(const NvdecCommon::NvdecRegisters& state);
+
+ /// Read and convert NVDEC provided entropy probs to Vp9EntropyProbs struct
+ void InsertEntropy(u64 offset, Vp9EntropyProbs& dst);
+
+ /// Returns frame to be decoded after buffering
+ [[nodiscard]] Vp9FrameContainer GetCurrentFrame(const NvdecCommon::NvdecRegisters& state);
+
+ /// Use NVDEC providied information to compose the headers for the current frame
+ [[nodiscard]] std::vector<u8> ComposeCompressedHeader();
+ [[nodiscard]] VpxBitStreamWriter ComposeUncompressedHeader();
+
+ GPU& gpu;
+ std::vector<u8> frame;
+
+ std::array<s8, 4> loop_filter_ref_deltas{};
+ std::array<s8, 2> loop_filter_mode_deltas{};
+
+ bool hidden = false;
+ s64 current_frame_number = -2; // since we buffer 2 frames
+ s32 grace_period = 6; // frame offsets need to stabilize
+ std::array<FrameContexts, 4> frame_ctxs{};
+ Vp9FrameContainer next_frame{};
+ Vp9FrameContainer next_next_frame{};
+ bool swap_next_golden{};
+
+ Vp9PictureInfo current_frame_info{};
+ Vp9EntropyProbs prev_frame_probs{};
+
+ s32 diff_update_probability = 252;
+ s32 frame_sync_code = 0x498342;
+};
+
+} // namespace Decoder
+} // namespace Tegra
diff --git a/src/video_core/command_classes/codecs/vp9_types.h b/src/video_core/command_classes/codecs/vp9_types.h
new file mode 100644
index 000000000..139501a1c
--- /dev/null
+++ b/src/video_core/command_classes/codecs/vp9_types.h
@@ -0,0 +1,302 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <cstring>
+#include <vector>
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+
+namespace Tegra {
+class GPU;
+
+namespace Decoder {
+struct Vp9FrameDimensions {
+ s16 width{};
+ s16 height{};
+ s16 luma_pitch{};
+ s16 chroma_pitch{};
+};
+static_assert(sizeof(Vp9FrameDimensions) == 0x8, "Vp9 Vp9FrameDimensions is an invalid size");
+
+enum FrameFlags : u32 {
+ IsKeyFrame = 1 << 0,
+ LastFrameIsKeyFrame = 1 << 1,
+ FrameSizeChanged = 1 << 2,
+ ErrorResilientMode = 1 << 3,
+ LastShowFrame = 1 << 4,
+ IntraOnly = 1 << 5,
+};
+
+enum class TxSize {
+ Tx4x4 = 0, // 4x4 transform
+ Tx8x8 = 1, // 8x8 transform
+ Tx16x16 = 2, // 16x16 transform
+ Tx32x32 = 3, // 32x32 transform
+ TxSizes = 4
+};
+
+enum class TxMode {
+ Only4X4 = 0, // Only 4x4 transform used
+ Allow8X8 = 1, // Allow block transform size up to 8x8
+ Allow16X16 = 2, // Allow block transform size up to 16x16
+ Allow32X32 = 3, // Allow block transform size up to 32x32
+ TxModeSelect = 4, // Transform specified for each block
+ TxModes = 5
+};
+
+struct Segmentation {
+ u8 enabled{};
+ u8 update_map{};
+ u8 temporal_update{};
+ u8 abs_delta{};
+ std::array<u32, 8> feature_mask{};
+ std::array<std::array<s16, 4>, 8> feature_data{};
+};
+static_assert(sizeof(Segmentation) == 0x64, "Segmentation is an invalid size");
+
+struct LoopFilter {
+ u8 mode_ref_delta_enabled{};
+ std::array<s8, 4> ref_deltas{};
+ std::array<s8, 2> mode_deltas{};
+};
+static_assert(sizeof(LoopFilter) == 0x7, "LoopFilter is an invalid size");
+
+struct Vp9EntropyProbs {
+ std::array<u8, 36> y_mode_prob{};
+ std::array<u8, 64> partition_prob{};
+ std::array<u8, 1728> coef_probs{};
+ std::array<u8, 8> switchable_interp_prob{};
+ std::array<u8, 28> inter_mode_prob{};
+ std::array<u8, 4> intra_inter_prob{};
+ std::array<u8, 5> comp_inter_prob{};
+ std::array<u8, 10> single_ref_prob{};
+ std::array<u8, 5> comp_ref_prob{};
+ std::array<u8, 6> tx_32x32_prob{};
+ std::array<u8, 4> tx_16x16_prob{};
+ std::array<u8, 2> tx_8x8_prob{};
+ std::array<u8, 3> skip_probs{};
+ std::array<u8, 3> joints{};
+ std::array<u8, 2> sign{};
+ std::array<u8, 20> classes{};
+ std::array<u8, 2> class_0{};
+ std::array<u8, 20> prob_bits{};
+ std::array<u8, 12> class_0_fr{};
+ std::array<u8, 6> fr{};
+ std::array<u8, 2> class_0_hp{};
+ std::array<u8, 2> high_precision{};
+};
+static_assert(sizeof(Vp9EntropyProbs) == 0x7B4, "Vp9EntropyProbs is an invalid size");
+
+struct Vp9PictureInfo {
+ bool is_key_frame{};
+ bool intra_only{};
+ bool last_frame_was_key{};
+ bool frame_size_changed{};
+ bool error_resilient_mode{};
+ bool last_frame_shown{};
+ bool show_frame{};
+ std::array<s8, 4> ref_frame_sign_bias{};
+ s32 base_q_index{};
+ s32 y_dc_delta_q{};
+ s32 uv_dc_delta_q{};
+ s32 uv_ac_delta_q{};
+ bool lossless{};
+ s32 transform_mode{};
+ bool allow_high_precision_mv{};
+ s32 interp_filter{};
+ s32 reference_mode{};
+ s8 comp_fixed_ref{};
+ std::array<s8, 2> comp_var_ref{};
+ s32 log2_tile_cols{};
+ s32 log2_tile_rows{};
+ bool segment_enabled{};
+ bool segment_map_update{};
+ bool segment_map_temporal_update{};
+ s32 segment_abs_delta{};
+ std::array<u32, 8> segment_feature_enable{};
+ std::array<std::array<s16, 4>, 8> segment_feature_data{};
+ bool mode_ref_delta_enabled{};
+ bool use_prev_in_find_mv_refs{};
+ std::array<s8, 4> ref_deltas{};
+ std::array<s8, 2> mode_deltas{};
+ Vp9EntropyProbs entropy{};
+ Vp9FrameDimensions frame_size{};
+ u8 first_level{};
+ u8 sharpness_level{};
+ u32 bitstream_size{};
+ std::array<u64, 4> frame_offsets{};
+ std::array<bool, 4> refresh_frame{};
+};
+
+struct Vp9FrameContainer {
+ Vp9PictureInfo info{};
+ std::vector<u8> bit_stream;
+};
+
+struct PictureInfo {
+ INSERT_PADDING_WORDS(12);
+ u32 bitstream_size{};
+ INSERT_PADDING_WORDS(5);
+ Vp9FrameDimensions last_frame_size{};
+ Vp9FrameDimensions golden_frame_size{};
+ Vp9FrameDimensions alt_frame_size{};
+ Vp9FrameDimensions current_frame_size{};
+ u32 vp9_flags{};
+ std::array<s8, 4> ref_frame_sign_bias{};
+ u8 first_level{};
+ u8 sharpness_level{};
+ u8 base_q_index{};
+ u8 y_dc_delta_q{};
+ u8 uv_ac_delta_q{};
+ u8 uv_dc_delta_q{};
+ u8 lossless{};
+ u8 tx_mode{};
+ u8 allow_high_precision_mv{};
+ u8 interp_filter{};
+ u8 reference_mode{};
+ s8 comp_fixed_ref{};
+ std::array<s8, 2> comp_var_ref{};
+ u8 log2_tile_cols{};
+ u8 log2_tile_rows{};
+ Segmentation segmentation{};
+ LoopFilter loop_filter{};
+ INSERT_PADDING_BYTES(5);
+ u32 surface_params{};
+ INSERT_PADDING_WORDS(3);
+
+ [[nodiscard]] Vp9PictureInfo Convert() const {
+ return {
+ .is_key_frame = (vp9_flags & FrameFlags::IsKeyFrame) != 0,
+ .intra_only = (vp9_flags & FrameFlags::IntraOnly) != 0,
+ .last_frame_was_key = (vp9_flags & FrameFlags::LastFrameIsKeyFrame) != 0,
+ .frame_size_changed = (vp9_flags & FrameFlags::FrameSizeChanged) != 0,
+ .error_resilient_mode = (vp9_flags & FrameFlags::ErrorResilientMode) != 0,
+ .last_frame_shown = (vp9_flags & FrameFlags::LastShowFrame) != 0,
+ .ref_frame_sign_bias = ref_frame_sign_bias,
+ .base_q_index = base_q_index,
+ .y_dc_delta_q = y_dc_delta_q,
+ .uv_dc_delta_q = uv_dc_delta_q,
+ .uv_ac_delta_q = uv_ac_delta_q,
+ .lossless = lossless != 0,
+ .transform_mode = tx_mode,
+ .allow_high_precision_mv = allow_high_precision_mv != 0,
+ .interp_filter = interp_filter,
+ .reference_mode = reference_mode,
+ .comp_fixed_ref = comp_fixed_ref,
+ .comp_var_ref = comp_var_ref,
+ .log2_tile_cols = log2_tile_cols,
+ .log2_tile_rows = log2_tile_rows,
+ .segment_enabled = segmentation.enabled != 0,
+ .segment_map_update = segmentation.update_map != 0,
+ .segment_map_temporal_update = segmentation.temporal_update != 0,
+ .segment_abs_delta = segmentation.abs_delta,
+ .segment_feature_enable = segmentation.feature_mask,
+ .segment_feature_data = segmentation.feature_data,
+ .mode_ref_delta_enabled = loop_filter.mode_ref_delta_enabled != 0,
+ .use_prev_in_find_mv_refs = !(vp9_flags == (FrameFlags::ErrorResilientMode)) &&
+ !(vp9_flags == (FrameFlags::FrameSizeChanged)) &&
+ !(vp9_flags == (FrameFlags::IntraOnly)) &&
+ (vp9_flags == (FrameFlags::LastShowFrame)) &&
+ !(vp9_flags == (FrameFlags::LastFrameIsKeyFrame)),
+ .ref_deltas = loop_filter.ref_deltas,
+ .mode_deltas = loop_filter.mode_deltas,
+ .frame_size = current_frame_size,
+ .first_level = first_level,
+ .sharpness_level = sharpness_level,
+ .bitstream_size = bitstream_size,
+ };
+ }
+};
+static_assert(sizeof(PictureInfo) == 0x100, "PictureInfo is an invalid size");
+
+struct EntropyProbs {
+ INSERT_PADDING_BYTES(1024);
+ std::array<u8, 28> inter_mode_prob{};
+ std::array<u8, 4> intra_inter_prob{};
+ INSERT_PADDING_BYTES(80);
+ std::array<u8, 2> tx_8x8_prob{};
+ std::array<u8, 4> tx_16x16_prob{};
+ std::array<u8, 6> tx_32x32_prob{};
+ std::array<u8, 4> y_mode_prob_e8{};
+ std::array<std::array<u8, 8>, 4> y_mode_prob_e0e7{};
+ INSERT_PADDING_BYTES(64);
+ std::array<u8, 64> partition_prob{};
+ INSERT_PADDING_BYTES(10);
+ std::array<u8, 8> switchable_interp_prob{};
+ std::array<u8, 5> comp_inter_prob{};
+ std::array<u8, 3> skip_probs{};
+ INSERT_PADDING_BYTES(1);
+ std::array<u8, 3> joints{};
+ std::array<u8, 2> sign{};
+ std::array<u8, 2> class_0{};
+ std::array<u8, 6> fr{};
+ std::array<u8, 2> class_0_hp{};
+ std::array<u8, 2> high_precision{};
+ std::array<u8, 20> classes{};
+ std::array<u8, 12> class_0_fr{};
+ std::array<u8, 20> pred_bits{};
+ std::array<u8, 10> single_ref_prob{};
+ std::array<u8, 5> comp_ref_prob{};
+ INSERT_PADDING_BYTES(17);
+ std::array<u8, 2304> coef_probs{};
+
+ void Convert(Vp9EntropyProbs& fc) {
+ fc.inter_mode_prob = inter_mode_prob;
+ fc.intra_inter_prob = intra_inter_prob;
+ fc.tx_8x8_prob = tx_8x8_prob;
+ fc.tx_16x16_prob = tx_16x16_prob;
+ fc.tx_32x32_prob = tx_32x32_prob;
+
+ for (std::size_t i = 0; i < 4; i++) {
+ for (std::size_t j = 0; j < 9; j++) {
+ fc.y_mode_prob[j + 9 * i] = j < 8 ? y_mode_prob_e0e7[i][j] : y_mode_prob_e8[i];
+ }
+ }
+
+ fc.partition_prob = partition_prob;
+ fc.switchable_interp_prob = switchable_interp_prob;
+ fc.comp_inter_prob = comp_inter_prob;
+ fc.skip_probs = skip_probs;
+ fc.joints = joints;
+ fc.sign = sign;
+ fc.class_0 = class_0;
+ fc.fr = fr;
+ fc.class_0_hp = class_0_hp;
+ fc.high_precision = high_precision;
+ fc.classes = classes;
+ fc.class_0_fr = class_0_fr;
+ fc.prob_bits = pred_bits;
+ fc.single_ref_prob = single_ref_prob;
+ fc.comp_ref_prob = comp_ref_prob;
+
+ // Skip the 4th element as it goes unused
+ for (std::size_t i = 0; i < coef_probs.size(); i += 4) {
+ const std::size_t j = i - i / 4;
+ fc.coef_probs[j] = coef_probs[i];
+ fc.coef_probs[j + 1] = coef_probs[i + 1];
+ fc.coef_probs[j + 2] = coef_probs[i + 2];
+ }
+ }
+};
+static_assert(sizeof(EntropyProbs) == 0xEA0, "EntropyProbs is an invalid size");
+
+enum class Ref { Last, Golden, AltRef };
+
+struct RefPoolElement {
+ s64 frame{};
+ Ref ref{};
+ bool refresh{};
+};
+
+struct FrameContexts {
+ s64 from{};
+ bool adapted{};
+ Vp9EntropyProbs probs{};
+};
+
+}; // namespace Decoder
+}; // namespace Tegra
diff --git a/src/video_core/command_classes/host1x.cpp b/src/video_core/command_classes/host1x.cpp
new file mode 100644
index 000000000..b12494528
--- /dev/null
+++ b/src/video_core/command_classes/host1x.cpp
@@ -0,0 +1,30 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "video_core/command_classes/host1x.h"
+#include "video_core/gpu.h"
+
+Tegra::Host1x::Host1x(GPU& gpu_) : gpu(gpu_) {}
+
+Tegra::Host1x::~Host1x() = default;
+
+void Tegra::Host1x::ProcessMethod(Method method, u32 argument) {
+ switch (method) {
+ case Method::LoadSyncptPayload32:
+ syncpoint_value = argument;
+ break;
+ case Method::WaitSyncpt:
+ case Method::WaitSyncpt32:
+ Execute(argument);
+ break;
+ default:
+ UNIMPLEMENTED_MSG("Host1x method 0x{:X}", static_cast<u32>(method));
+ break;
+ }
+}
+
+void Tegra::Host1x::Execute(u32 data) {
+ gpu.WaitFence(data, syncpoint_value);
+}
diff --git a/src/video_core/command_classes/host1x.h b/src/video_core/command_classes/host1x.h
new file mode 100644
index 000000000..7e94799dd
--- /dev/null
+++ b/src/video_core/command_classes/host1x.h
@@ -0,0 +1,37 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <vector>
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+
+namespace Tegra {
+class GPU;
+class Nvdec;
+
+class Host1x {
+public:
+ enum class Method : u32 {
+ WaitSyncpt = 0x8,
+ LoadSyncptPayload32 = 0x4e,
+ WaitSyncpt32 = 0x50,
+ };
+
+ explicit Host1x(GPU& gpu);
+ ~Host1x();
+
+ /// Writes the method into the state, Invoke Execute() if encountered
+ void ProcessMethod(Method method, u32 argument);
+
+private:
+ /// For Host1x, execute is waiting on a syncpoint previously written into the state
+ void Execute(u32 data);
+
+ u32 syncpoint_value{};
+ GPU& gpu;
+};
+
+} // namespace Tegra
diff --git a/src/video_core/command_classes/nvdec.cpp b/src/video_core/command_classes/nvdec.cpp
new file mode 100644
index 000000000..79e1f4e13
--- /dev/null
+++ b/src/video_core/command_classes/nvdec.cpp
@@ -0,0 +1,48 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/assert.h"
+#include "video_core/command_classes/nvdec.h"
+#include "video_core/gpu.h"
+
+namespace Tegra {
+
+Nvdec::Nvdec(GPU& gpu_) : gpu(gpu_), codec(std::make_unique<Codec>(gpu)) {}
+
+Nvdec::~Nvdec() = default;
+
+void Nvdec::ProcessMethod(Method method, const std::vector<u32>& arguments) {
+ if (method == Method::SetVideoCodec) {
+ codec->StateWrite(static_cast<u32>(method), arguments[0]);
+ } else {
+ codec->StateWrite(static_cast<u32>(method), static_cast<u64>(arguments[0]) << 8);
+ }
+
+ switch (method) {
+ case Method::SetVideoCodec:
+ codec->SetTargetCodec(static_cast<NvdecCommon::VideoCodec>(arguments[0]));
+ break;
+ case Method::Execute:
+ Execute();
+ break;
+ }
+}
+
+AVFramePtr Nvdec::GetFrame() {
+ return codec->GetCurrentFrame();
+}
+
+void Nvdec::Execute() {
+ switch (codec->GetCurrentCodec()) {
+ case NvdecCommon::VideoCodec::H264:
+ case NvdecCommon::VideoCodec::Vp9:
+ codec->Decode();
+ break;
+ default:
+ UNIMPLEMENTED_MSG("Unknown codec {}", static_cast<u32>(codec->GetCurrentCodec()));
+ break;
+ }
+}
+
+} // namespace Tegra
diff --git a/src/video_core/command_classes/nvdec.h b/src/video_core/command_classes/nvdec.h
new file mode 100644
index 000000000..e4877c533
--- /dev/null
+++ b/src/video_core/command_classes/nvdec.h
@@ -0,0 +1,38 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include <vector>
+#include "common/common_types.h"
+#include "video_core/command_classes/codecs/codec.h"
+
+namespace Tegra {
+class GPU;
+
+class Nvdec {
+public:
+ enum class Method : u32 {
+ SetVideoCodec = 0x80,
+ Execute = 0xc0,
+ };
+
+ explicit Nvdec(GPU& gpu);
+ ~Nvdec();
+
+ /// Writes the method into the state, Invoke Execute() if encountered
+ void ProcessMethod(Method method, const std::vector<u32>& arguments);
+
+ /// Return most recently decoded frame
+ [[nodiscard]] AVFramePtr GetFrame();
+
+private:
+ /// Invoke codec to decode a frame
+ void Execute();
+
+ GPU& gpu;
+ std::unique_ptr<Codec> codec;
+};
+} // namespace Tegra
diff --git a/src/video_core/command_classes/nvdec_common.h b/src/video_core/command_classes/nvdec_common.h
new file mode 100644
index 000000000..01b5e086d
--- /dev/null
+++ b/src/video_core/command_classes/nvdec_common.h
@@ -0,0 +1,48 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+
+namespace Tegra::NvdecCommon {
+
+struct NvdecRegisters {
+ INSERT_PADDING_WORDS(256);
+ u64 set_codec_id{};
+ INSERT_PADDING_WORDS(254);
+ u64 set_platform_id{};
+ u64 picture_info_offset{};
+ u64 frame_bitstream_offset{};
+ u64 frame_number{};
+ u64 h264_slice_data_offsets{};
+ u64 h264_mv_dump_offset{};
+ INSERT_PADDING_WORDS(6);
+ u64 frame_stats_offset{};
+ u64 h264_last_surface_luma_offset{};
+ u64 h264_last_surface_chroma_offset{};
+ std::array<u64, 17> surface_luma_offset{};
+ std::array<u64, 17> surface_chroma_offset{};
+ INSERT_PADDING_WORDS(132);
+ u64 vp9_entropy_probs_offset{};
+ u64 vp9_backward_updates_offset{};
+ u64 vp9_last_frame_segmap_offset{};
+ u64 vp9_curr_frame_segmap_offset{};
+ INSERT_PADDING_WORDS(2);
+ u64 vp9_last_frame_mvs_offset{};
+ u64 vp9_curr_frame_mvs_offset{};
+ INSERT_PADDING_WORDS(2);
+};
+static_assert(sizeof(NvdecRegisters) == (0xBC0), "NvdecRegisters is incorrect size");
+
+enum class VideoCodec : u32 {
+ None = 0x0,
+ H264 = 0x3,
+ Vp8 = 0x5,
+ H265 = 0x7,
+ Vp9 = 0x9,
+};
+
+} // namespace Tegra::NvdecCommon
diff --git a/src/video_core/command_classes/sync_manager.cpp b/src/video_core/command_classes/sync_manager.cpp
new file mode 100644
index 000000000..19dc9e0ab
--- /dev/null
+++ b/src/video_core/command_classes/sync_manager.cpp
@@ -0,0 +1,60 @@
+// MIT License
+//
+// Copyright (c) Ryujinx Team and Contributors
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
+// associated documentation files (the "Software"), to deal in the Software without restriction,
+// including without limitation the rights to use, copy, modify, merge, publish, distribute,
+// sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all copies or
+// substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
+// NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+#include <algorithm>
+#include "sync_manager.h"
+#include "video_core/gpu.h"
+
+namespace Tegra {
+SyncptIncrManager::SyncptIncrManager(GPU& gpu_) : gpu(gpu_) {}
+SyncptIncrManager::~SyncptIncrManager() = default;
+
+void SyncptIncrManager::Increment(u32 id) {
+ increments.emplace_back(0, 0, id, true);
+ IncrementAllDone();
+}
+
+u32 SyncptIncrManager::IncrementWhenDone(u32 class_id, u32 id) {
+ const u32 handle = current_id++;
+ increments.emplace_back(handle, class_id, id);
+ return handle;
+}
+
+void SyncptIncrManager::SignalDone(u32 handle) {
+ const auto done_incr =
+ std::find_if(increments.begin(), increments.end(),
+ [handle](const SyncptIncr& incr) { return incr.id == handle; });
+ if (done_incr != increments.cend()) {
+ done_incr->complete = true;
+ }
+ IncrementAllDone();
+}
+
+void SyncptIncrManager::IncrementAllDone() {
+ std::size_t done_count = 0;
+ for (; done_count < increments.size(); ++done_count) {
+ if (!increments[done_count].complete) {
+ break;
+ }
+ gpu.IncrementSyncPoint(increments[done_count].syncpt_id);
+ }
+ increments.erase(increments.begin(), increments.begin() + done_count);
+}
+} // namespace Tegra
diff --git a/src/video_core/command_classes/sync_manager.h b/src/video_core/command_classes/sync_manager.h
new file mode 100644
index 000000000..2c321ec58
--- /dev/null
+++ b/src/video_core/command_classes/sync_manager.h
@@ -0,0 +1,64 @@
+// MIT License
+//
+// Copyright (c) Ryujinx Team and Contributors
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
+// associated documentation files (the "Software"), to deal in the Software without restriction,
+// including without limitation the rights to use, copy, modify, merge, publish, distribute,
+// sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all copies or
+// substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
+// NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+#pragma once
+
+#include <mutex>
+#include <vector>
+#include "common/common_types.h"
+
+namespace Tegra {
+class GPU;
+struct SyncptIncr {
+ u32 id;
+ u32 class_id;
+ u32 syncpt_id;
+ bool complete;
+
+ SyncptIncr(u32 id_, u32 class_id_, u32 syncpt_id_, bool done = false)
+ : id(id_), class_id(class_id_), syncpt_id(syncpt_id_), complete(done) {}
+};
+
+class SyncptIncrManager {
+public:
+ explicit SyncptIncrManager(GPU& gpu);
+ ~SyncptIncrManager();
+
+ /// Add syncpoint id and increment all
+ void Increment(u32 id);
+
+ /// Returns a handle to increment later
+ u32 IncrementWhenDone(u32 class_id, u32 id);
+
+ /// IncrememntAllDone, including handle
+ void SignalDone(u32 handle);
+
+ /// Increment all sequential pending increments that are already done.
+ void IncrementAllDone();
+
+private:
+ std::vector<SyncptIncr> increments;
+ std::mutex increment_lock;
+ u32 current_id{};
+
+ GPU& gpu;
+};
+
+} // namespace Tegra
diff --git a/src/video_core/command_classes/vic.cpp b/src/video_core/command_classes/vic.cpp
new file mode 100644
index 000000000..55e632346
--- /dev/null
+++ b/src/video_core/command_classes/vic.cpp
@@ -0,0 +1,175 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <array>
+#include "common/assert.h"
+#include "video_core/command_classes/nvdec.h"
+#include "video_core/command_classes/vic.h"
+#include "video_core/engines/maxwell_3d.h"
+#include "video_core/gpu.h"
+#include "video_core/memory_manager.h"
+#include "video_core/textures/decoders.h"
+
+extern "C" {
+#include <libswscale/swscale.h>
+}
+
+namespace Tegra {
+
+Vic::Vic(GPU& gpu_, std::shared_ptr<Nvdec> nvdec_processor_)
+ : gpu(gpu_), nvdec_processor(std::move(nvdec_processor_)) {}
+Vic::~Vic() = default;
+
+void Vic::VicStateWrite(u32 offset, u32 arguments) {
+ u8* const state_offset = reinterpret_cast<u8*>(&vic_state) + offset * sizeof(u32);
+ std::memcpy(state_offset, &arguments, sizeof(u32));
+}
+
+void Vic::ProcessMethod(Method method, const std::vector<u32>& arguments) {
+ LOG_DEBUG(HW_GPU, "Vic method 0x{:X}", method);
+ VicStateWrite(static_cast<u32>(method), arguments[0]);
+ const u64 arg = static_cast<u64>(arguments[0]) << 8;
+ switch (method) {
+ case Method::Execute:
+ Execute();
+ break;
+ case Method::SetConfigStructOffset:
+ config_struct_address = arg;
+ break;
+ case Method::SetOutputSurfaceLumaOffset:
+ output_surface_luma_address = arg;
+ break;
+ case Method::SetOutputSurfaceChromaUOffset:
+ output_surface_chroma_u_address = arg;
+ break;
+ case Method::SetOutputSurfaceChromaVOffset:
+ output_surface_chroma_v_address = arg;
+ break;
+ default:
+ break;
+ }
+}
+
+void Vic::Execute() {
+ if (output_surface_luma_address == 0) {
+ LOG_ERROR(Service_NVDRV, "VIC Luma address not set. Received 0x{:X}",
+ vic_state.output_surface.luma_offset);
+ return;
+ }
+ const VicConfig config{gpu.MemoryManager().Read<u64>(config_struct_address + 0x20)};
+ const AVFramePtr frame_ptr = nvdec_processor->GetFrame();
+ const auto* frame = frame_ptr.get();
+ if (!frame || frame->width == 0 || frame->height == 0) {
+ return;
+ }
+ const VideoPixelFormat pixel_format =
+ static_cast<VideoPixelFormat>(config.pixel_format.Value());
+ switch (pixel_format) {
+ case VideoPixelFormat::BGRA8:
+ case VideoPixelFormat::RGBA8: {
+ LOG_TRACE(Service_NVDRV, "Writing RGB Frame");
+
+ if (scaler_ctx == nullptr || frame->width != scaler_width ||
+ frame->height != scaler_height) {
+ const AVPixelFormat target_format =
+ (pixel_format == VideoPixelFormat::RGBA8) ? AV_PIX_FMT_RGBA : AV_PIX_FMT_BGRA;
+
+ sws_freeContext(scaler_ctx);
+ scaler_ctx = nullptr;
+
+ // FFmpeg returns all frames in YUV420, convert it into expected format
+ scaler_ctx =
+ sws_getContext(frame->width, frame->height, AV_PIX_FMT_YUV420P, frame->width,
+ frame->height, target_format, 0, nullptr, nullptr, nullptr);
+
+ scaler_width = frame->width;
+ scaler_height = frame->height;
+ }
+ // Get Converted frame
+ const std::size_t linear_size = frame->width * frame->height * 4;
+
+ using AVMallocPtr = std::unique_ptr<u8, decltype(&av_free)>;
+ AVMallocPtr converted_frame_buffer{static_cast<u8*>(av_malloc(linear_size)), av_free};
+
+ const int converted_stride{frame->width * 4};
+ u8* const converted_frame_buf_addr{converted_frame_buffer.get()};
+
+ sws_scale(scaler_ctx, frame->data, frame->linesize, 0, frame->height,
+ &converted_frame_buf_addr, &converted_stride);
+
+ const u32 blk_kind = static_cast<u32>(config.block_linear_kind);
+ if (blk_kind != 0) {
+ // swizzle pitch linear to block linear
+ const u32 block_height = static_cast<u32>(config.block_linear_height_log2);
+ const auto size = Tegra::Texture::CalculateSize(true, 4, frame->width, frame->height, 1,
+ block_height, 0);
+ std::vector<u8> swizzled_data(size);
+ Tegra::Texture::SwizzleSubrect(frame->width, frame->height, frame->width * 4,
+ frame->width, 4, swizzled_data.data(),
+ converted_frame_buffer.get(), block_height, 0, 0);
+
+ gpu.MemoryManager().WriteBlock(output_surface_luma_address, swizzled_data.data(), size);
+ gpu.Maxwell3D().OnMemoryWrite();
+ } else {
+ // send pitch linear frame
+ gpu.MemoryManager().WriteBlock(output_surface_luma_address, converted_frame_buf_addr,
+ linear_size);
+ gpu.Maxwell3D().OnMemoryWrite();
+ }
+ break;
+ }
+ case VideoPixelFormat::Yuv420: {
+ LOG_TRACE(Service_NVDRV, "Writing YUV420 Frame");
+
+ const std::size_t surface_width = config.surface_width_minus1 + 1;
+ const std::size_t surface_height = config.surface_height_minus1 + 1;
+ const std::size_t half_width = surface_width / 2;
+ const std::size_t half_height = config.surface_height_minus1 / 2;
+ const std::size_t aligned_width = (surface_width + 0xff) & ~0xff;
+
+ 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 = frame->linesize[0];
+ const auto half_stride = frame->linesize[1];
+
+ std::vector<u8> luma_buffer(aligned_width * surface_height);
+ std::vector<u8> chroma_buffer(aligned_width * half_height);
+
+ // Populate luma buffer
+ for (std::size_t y = 0; y < surface_height - 1; ++y) {
+ std::size_t src = y * stride;
+ std::size_t dst = y * aligned_width;
+
+ std::size_t size = surface_width;
+
+ for (std::size_t offset = 0; offset < size; ++offset) {
+ luma_buffer[dst + offset] = luma_ptr[src + offset];
+ }
+ }
+ 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) {
+ std::size_t src = y * half_stride;
+ std::size_t dst = y * aligned_width;
+
+ 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];
+ }
+ }
+ gpu.MemoryManager().WriteBlock(output_surface_chroma_u_address, chroma_buffer.data(),
+ chroma_buffer.size());
+ gpu.Maxwell3D().OnMemoryWrite();
+ break;
+ }
+ default:
+ UNIMPLEMENTED_MSG("Unknown video pixel format {}", config.pixel_format.Value());
+ break;
+ }
+}
+
+} // namespace Tegra
diff --git a/src/video_core/command_classes/vic.h b/src/video_core/command_classes/vic.h
new file mode 100644
index 000000000..8c4e284a1
--- /dev/null
+++ b/src/video_core/command_classes/vic.h
@@ -0,0 +1,110 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include <vector>
+#include "common/bit_field.h"
+#include "common/common_types.h"
+
+struct SwsContext;
+
+namespace Tegra {
+class GPU;
+class Nvdec;
+
+struct PlaneOffsets {
+ u32 luma_offset{};
+ u32 chroma_u_offset{};
+ u32 chroma_v_offset{};
+};
+
+struct VicRegisters {
+ INSERT_PADDING_WORDS(64);
+ u32 nop{};
+ INSERT_PADDING_WORDS(15);
+ u32 pm_trigger{};
+ INSERT_PADDING_WORDS(47);
+ u32 set_application_id{};
+ u32 set_watchdog_timer{};
+ INSERT_PADDING_WORDS(17);
+ u32 context_save_area{};
+ u32 context_switch{};
+ INSERT_PADDING_WORDS(43);
+ u32 execute{};
+ INSERT_PADDING_WORDS(63);
+ std::array<std::array<PlaneOffsets, 8>, 8> surfacex_slots{};
+ u32 picture_index{};
+ u32 control_params{};
+ u32 config_struct_offset{};
+ u32 filter_struct_offset{};
+ u32 palette_offset{};
+ u32 hist_offset{};
+ u32 context_id{};
+ u32 fce_ucode_size{};
+ PlaneOffsets output_surface{};
+ u32 fce_ucode_offset{};
+ INSERT_PADDING_WORDS(4);
+ std::array<u32, 8> slot_context_id{};
+ INSERT_PADDING_WORDS(16);
+};
+static_assert(sizeof(VicRegisters) == 0x7A0, "VicRegisters is an invalid size");
+
+class Vic {
+public:
+ enum class Method : u32 {
+ Execute = 0xc0,
+ SetControlParams = 0x1c1,
+ SetConfigStructOffset = 0x1c2,
+ SetOutputSurfaceLumaOffset = 0x1c8,
+ SetOutputSurfaceChromaUOffset = 0x1c9,
+ SetOutputSurfaceChromaVOffset = 0x1ca
+ };
+
+ explicit Vic(GPU& gpu, std::shared_ptr<Nvdec> nvdec_processor);
+ ~Vic();
+
+ /// Write to the device state.
+ void ProcessMethod(Method method, const std::vector<u32>& arguments);
+
+private:
+ void Execute();
+
+ void VicStateWrite(u32 offset, u32 arguments);
+ VicRegisters vic_state{};
+
+ enum class VideoPixelFormat : u64_le {
+ RGBA8 = 0x1f,
+ BGRA8 = 0x20,
+ Yuv420 = 0x44,
+ };
+
+ union VicConfig {
+ u64_le raw{};
+ BitField<0, 7, u64_le> pixel_format;
+ BitField<7, 2, u64_le> chroma_loc_horiz;
+ BitField<9, 2, u64_le> chroma_loc_vert;
+ BitField<11, 4, u64_le> block_linear_kind;
+ BitField<15, 4, u64_le> block_linear_height_log2;
+ BitField<19, 3, u64_le> reserved0;
+ BitField<22, 10, u64_le> reserved1;
+ BitField<32, 14, u64_le> surface_width_minus1;
+ BitField<46, 14, u64_le> surface_height_minus1;
+ };
+
+ GPU& gpu;
+ std::shared_ptr<Tegra::Nvdec> nvdec_processor;
+
+ GPUVAddr config_struct_address{};
+ GPUVAddr output_surface_luma_address{};
+ GPUVAddr output_surface_chroma_u_address{};
+ GPUVAddr output_surface_chroma_v_address{};
+
+ SwsContext* scaler_ctx{};
+ s32 scaler_width{};
+ s32 scaler_height{};
+};
+
+} // namespace Tegra
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-04 08:56:26 +0100