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author | ameerj <aj662@drexel.edu> | 2020-10-27 04:07:36 +0100 |
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committer | ameerj <aj662@drexel.edu> | 2020-10-27 04:07:36 +0100 |
commit | eb67a45ca82bc01ac843c853fd3c17f2a90e0250 (patch) | |
tree | 11e78a1b728ef0a608fae43d966b613eb4e6d58a /src/video_core/command_classes/codecs | |
parent | Merge pull request #4827 from lioncash/trunc (diff) | |
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Diffstat (limited to 'src/video_core/command_classes/codecs')
-rw-r--r-- | src/video_core/command_classes/codecs/codec.cpp | 114 | ||||
-rw-r--r-- | src/video_core/command_classes/codecs/codec.h | 68 | ||||
-rw-r--r-- | src/video_core/command_classes/codecs/h264.cpp | 276 | ||||
-rw-r--r-- | src/video_core/command_classes/codecs/h264.h | 130 | ||||
-rw-r--r-- | src/video_core/command_classes/codecs/vp9.cpp | 1010 | ||||
-rw-r--r-- | src/video_core/command_classes/codecs/vp9.h | 216 | ||||
-rw-r--r-- | src/video_core/command_classes/codecs/vp9_types.h | 369 |
7 files changed, 2183 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..2df410be8 --- /dev/null +++ b/src/video_core/command_classes/codecs/codec.cpp @@ -0,0 +1,114 @@ +// Copyright 2020 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include <cstring> +#include <fstream> +#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 { + +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 + avcodec_send_packet(av_codec_ctx, nullptr); + 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 {}", static_cast<u32>(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 {}", static_cast<u32>(current_codec)); + return; + } + + av_codec_ctx = avcodec_alloc_context3(av_codec); + av_frame = av_frame_alloc(); + 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."); + av_frame_unref(av_frame); + av_free(av_frame); + 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 + avcodec_receive_frame(av_codec_ctx, av_frame); + } +} + +AVFrame* Codec::GetCurrentFrame() { + return av_frame; +} + +const AVFrame* Codec::GetCurrentFrame() const { + return av_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..2e56daf29 --- /dev/null +++ b/src/video_core/command_classes/codecs/codec.h @@ -0,0 +1,68 @@ +// 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_funcs.h" +#include "common/common_types.h" +#include "video_core/command_classes/nvdec_common.h" + +extern "C" { +#if defined(__GNUC__) || defined(__clang__) +#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; + +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 most recently decoded frame + AVFrame* GetCurrentFrame(); + const AVFrame* GetCurrentFrame() const; + + /// Returns the value of current_codec + NvdecCommon::VideoCodec GetCurrentCodec() const; + +private: + bool initialized{}; + NvdecCommon::VideoCodec current_codec{NvdecCommon::VideoCodec::None}; + + AVCodec* av_codec{nullptr}; + AVCodecContext* av_codec_ctx{nullptr}; + AVFrame* av_frame{nullptr}; + + GPU& gpu; + std::unique_ptr<Decoder::H264> h264_decoder; + std::unique_ptr<Decoder::VP9> vp9_decoder; + + NvdecCommon::NvdecRegisters state{}; +}; + +} // 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..1a39f7b23 --- /dev/null +++ b/src/video_core/command_classes/codecs/h264.cpp @@ -0,0 +1,276 @@ +// 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 "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 { +H264::H264(GPU& gpu_) : gpu(gpu_) {} + +H264::~H264() = default; + +std::vector<u8>& H264::ComposeFrameHeader(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 s32 chroma_format_idc = (context.h264_parameter_set.flags >> 12) & 0x3; + 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 s32 order_cnt_type = static_cast<s32>((context.h264_parameter_set.flags >> 14) & 3); + writer.WriteUe(static_cast<s32>((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); + 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(s32 value) { + WriteExpGolombCodedUInt((u32)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..21752dd90 --- /dev/null +++ b/src/video_core/command_classes/codecs/h264.h @@ -0,0 +1,130 @@ +// 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(s32 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. + std::vector<u8>& GetByteArray(); + const std::vector<u8>& GetByteArray() const; + +private: + // ZigZag LUTs from libavcodec. + static 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, + }; + + static 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, + }; + + void WriteBits(s32 value, s32 bit_count); + void WriteExpGolombCodedInt(s32 value); + void WriteExpGolombCodedUInt(u32 value); + 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 + std::vector<u8>& ComposeFrameHeader(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..3bae0bb5d --- /dev/null +++ b/src/video_core/command_classes/codecs/vp9.cpp @@ -0,0 +1,1010 @@ +// 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 { + +// 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, 0, 84, 49, 136, 0, 8, 42, 71, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 31, 107, 169, 0, 35, 99, 159, 0, 17, 82, 140, 0, 8, 66, 114, 0, + 2, 44, 76, 0, 1, 19, 32, 0, 40, 132, 201, 0, 29, 114, 187, 0, 13, 91, 157, 0, + 7, 75, 127, 0, 3, 58, 95, 0, 1, 28, 47, 0, 69, 142, 221, 0, 42, 122, 201, 0, + 15, 91, 159, 0, 6, 67, 121, 0, 1, 42, 77, 0, 1, 17, 31, 0, 102, 148, 228, 0, + 67, 117, 204, 0, 17, 82, 154, 0, 6, 59, 114, 0, 2, 39, 75, 0, 1, 15, 29, 0, + 156, 57, 233, 0, 119, 57, 212, 0, 58, 48, 163, 0, 29, 40, 124, 0, 12, 30, 81, 0, + 3, 12, 31, 0, 191, 107, 226, 0, 124, 117, 204, 0, 25, 99, 155, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 29, 148, 210, 0, 37, 126, 194, 0, 8, 93, 157, 0, + 2, 68, 118, 0, 1, 39, 69, 0, 1, 17, 33, 0, 41, 151, 213, 0, 27, 123, 193, 0, + 3, 82, 144, 0, 1, 58, 105, 0, 1, 32, 60, 0, 1, 13, 26, 0, 59, 159, 220, 0, + 23, 126, 198, 0, 4, 88, 151, 0, 1, 66, 114, 0, 1, 38, 71, 0, 1, 18, 34, 0, + 114, 136, 232, 0, 51, 114, 207, 0, 11, 83, 155, 0, 3, 56, 105, 0, 1, 33, 65, 0, + 1, 17, 34, 0, 149, 65, 234, 0, 121, 57, 215, 0, 61, 49, 166, 0, 28, 36, 114, 0, + 12, 25, 76, 0, 3, 16, 42, 0, 214, 49, 220, 0, 132, 63, 188, 0, 42, 65, 137, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 85, 137, 221, 0, 104, 131, 216, 0, + 49, 111, 192, 0, 21, 87, 155, 0, 2, 49, 87, 0, 1, 16, 28, 0, 89, 163, 230, 0, + 90, 137, 220, 0, 29, 100, 183, 0, 10, 70, 135, 0, 2, 42, 81, 0, 1, 17, 33, 0, + 108, 167, 237, 0, 55, 133, 222, 0, 15, 97, 179, 0, 4, 72, 135, 0, 1, 45, 85, 0, + 1, 19, 38, 0, 124, 146, 240, 0, 66, 124, 224, 0, 17, 88, 175, 0, 4, 58, 122, 0, + 1, 36, 75, 0, 1, 18, 37, 0, 141, 79, 241, 0, 126, 70, 227, 0, 66, 58, 182, 0, + 30, 44, 136, 0, 12, 34, 96, 0, 2, 20, 47, 0, 229, 99, 249, 0, 143, 111, 235, 0, + 46, 109, 192, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 82, 158, 236, 0, + 94, 146, 224, 0, 25, 117, 191, 0, 9, 87, 149, 0, 3, 56, 99, 0, 1, 33, 57, 0, + 83, 167, 237, 0, 68, 145, 222, 0, 10, 103, 177, 0, 2, 72, 131, 0, 1, 41, 79, 0, + 1, 20, 39, 0, 99, 167, 239, 0, 47, 141, 224, 0, 10, 104, 178, 0, 2, 73, 133, 0, + 1, 44, 85, 0, 1, 22, 47, 0, 127, 145, 243, 0, 71, 129, 228, 0, 17, 93, 177, 0, + 3, 61, 124, 0, 1, 41, 84, 0, 1, 21, 52, 0, 157, 78, 244, 0, 140, 72, 231, 0, + 69, 58, 184, 0, 31, 44, 137, 0, 14, 38, 105, 0, 8, 23, 61, 0, 125, 34, 187, 0, + 52, 41, 133, 0, 6, 31, 56, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 37, 109, 153, 0, 51, 102, 147, 0, 23, 87, 128, 0, 8, 67, 101, 0, 1, 41, 63, 0, + 1, 19, 29, 0, 31, 154, 185, 0, 17, 127, 175, 0, 6, 96, 145, 0, 2, 73, 114, 0, + 1, 51, 82, 0, 1, 28, 45, 0, 23, 163, 200, 0, 10, 131, 185, 0, 2, 93, 148, 0, + 1, 67, 111, 0, 1, 41, 69, 0, 1, 14, 24, 0, 29, 176, 217, 0, 12, 145, 201, 0, + 3, 101, 156, 0, 1, 69, 111, 0, 1, 39, 63, 0, 1, 14, 23, 0, 57, 192, 233, 0, + 25, 154, 215, 0, 6, 109, 167, 0, 3, 78, 118, 0, 1, 48, 69, 0, 1, 21, 29, 0, + 202, 105, 245, 0, 108, 106, 216, 0, 18, 90, 144, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 33, 172, 219, 0, 64, 149, 206, 0, 14, 117, 177, 0, 5, 90, 141, 0, + 2, 61, 95, 0, 1, 37, 57, 0, 33, 179, 220, 0, 11, 140, 198, 0, 1, 89, 148, 0, + 1, 60, 104, 0, 1, 33, 57, 0, 1, 12, 21, 0, 30, 181, 221, 0, 8, 141, 198, 0, + 1, 87, 145, 0, 1, 58, 100, 0, 1, 31, 55, 0, 1, 12, 20, 0, 32, 186, 224, 0, + 7, 142, 198, 0, 1, 86, 143, 0, 1, 58, 100, 0, 1, 31, 55, 0, 1, 12, 22, 0, + 57, 192, 227, 0, 20, 143, 204, 0, 3, 96, 154, 0, 1, 68, 112, 0, 1, 42, 69, 0, + 1, 19, 32, 0, 212, 35, 215, 0, 113, 47, 169, 0, 29, 48, 105, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 74, 129, 203, 0, 106, 120, 203, 0, 49, 107, 178, 0, + 19, 84, 144, 0, 4, 50, 84, 0, 1, 15, 25, 0, 71, 172, 217, 0, 44, 141, 209, 0, + 15, 102, 173, 0, 6, 76, 133, 0, 2, 51, 89, 0, 1, 24, 42, 0, 64, 185, 231, 0, + 31, 148, 216, 0, 8, 103, 175, 0, 3, 74, 131, 0, 1, 46, 81, 0, 1, 18, 30, 0, + 65, 196, 235, 0, 25, 157, 221, 0, 5, 105, 174, 0, 1, 67, 120, 0, 1, 38, 69, 0, + 1, 15, 30, 0, 65, 204, 238, 0, 30, 156, 224, 0, 7, 107, 177, 0, 2, 70, 124, 0, + 1, 42, 73, 0, 1, 18, 34, 0, 225, 86, 251, 0, 144, 104, 235, 0, 42, 99, 181, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 85, 175, 239, 0, 112, 165, 229, 0, + 29, 136, 200, 0, 12, 103, 162, 0, 6, 77, 123, 0, 2, 53, 84, 0, 75, 183, 239, 0, + 30, 155, 221, 0, 3, 106, 171, 0, 1, 74, 128, 0, 1, 44, 76, 0, 1, 17, 28, 0, + 73, 185, 240, 0, 27, 159, 222, 0, 2, 107, 172, 0, 1, 75, 127, 0, 1, 42, 73, 0, + 1, 17, 29, 0, 62, 190, 238, 0, 21, 159, 222, 0, 2, 107, 172, 0, 1, 72, 122, 0, + 1, 40, 71, 0, 1, 18, 32, 0, 61, 199, 240, 0, 27, 161, 226, 0, 4, 113, 180, 0, + 1, 76, 129, 0, 1, 46, 80, 0, 1, 23, 41, 0, 7, 27, 153, 0, 5, 30, 95, 0, + 1, 16, 30, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 50, 75, 127, 0, + 57, 75, 124, 0, 27, 67, 108, 0, 10, 54, 86, 0, 1, 33, 52, 0, 1, 12, 18, 0, + 43, 125, 151, 0, 26, 108, 148, 0, 7, 83, 122, 0, 2, 59, 89, 0, 1, 38, 60, 0, + 1, 17, 27, 0, 23, 144, 163, 0, 13, 112, 154, 0, 2, 75, 117, 0, 1, 50, 81, 0, + 1, 31, 51, 0, 1, 14, 23, 0, 18, 162, 185, 0, 6, 123, 171, 0, 1, 78, 125, 0, + 1, 51, 86, 0, 1, 31, 54, 0, 1, 14, 23, 0, 15, 199, 227, 0, 3, 150, 204, 0, + 1, 91, 146, 0, 1, 55, 95, 0, 1, 30, 53, 0, 1, 11, 20, 0, 19, 55, 240, 0, + 19, 59, 196, 0, 3, 52, 105, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 41, 166, 207, 0, 104, 153, 199, 0, 31, 123, 181, 0, 14, 101, 152, 0, 5, 72, 106, 0, + 1, 36, 52, 0, 35, 176, 211, 0, 12, 131, 190, 0, 2, 88, 144, 0, 1, 60, 101, 0, + 1, 36, 60, 0, 1, 16, 28, 0, 28, 183, 213, 0, 8, 134, 191, 0, 1, 86, 142, 0, + 1, 56, 96, 0, 1, 30, 53, 0, 1, 12, 20, 0, 20, 190, 215, 0, 4, 135, 192, 0, + 1, 84, 139, 0, 1, 53, 91, 0, 1, 28, 49, 0, 1, 11, 20, 0, 13, 196, 216, 0, + 2, 137, 192, 0, 1, 86, 143, 0, 1, 57, 99, 0, 1, 32, 56, 0, 1, 13, 24, 0, + 211, 29, 217, 0, 96, 47, 156, 0, 22, 43, 87, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 78, 120, 193, 0, 111, 116, 186, 0, 46, 102, 164, 0, 15, 80, 128, 0, + 2, 49, 76, 0, 1, 18, 28, 0, 71, 161, 203, 0, 42, 132, 192, 0, 10, 98, 150, 0, + 3, 69, 109, 0, 1, 44, 70, 0, 1, 18, 29, 0, 57, 186, 211, 0, 30, 140, 196, 0, + 4, 93, 146, 0, 1, 62, 102, 0, 1, 38, 65, 0, 1, 16, 27, 0, 47, 199, 217, 0, + 14, 145, 196, 0, 1, 88, 142, 0, 1, 57, 98, 0, 1, 36, 62, 0, 1, 15, 26, 0, + 26, 219, 229, 0, 5, 155, 207, 0, 1, 94, 151, 0, 1, 60, 104, 0, 1, 36, 62, 0, + 1, 16, 28, 0, 233, 29, 248, 0, 146, 47, 220, 0, 43, 52, 140, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 100, 163, 232, 0, 179, 161, 222, 0, 63, 142, 204, 0, + 37, 113, 174, 0, 26, 89, 137, 0, 18, 68, 97, 0, 85, 181, 230, 0, 32, 146, 209, 0, + 7, 100, 164, 0, 3, 71, 121, 0, 1, 45, 77, 0, 1, 18, 30, 0, 65, 187, 230, 0, + 20, 148, 207, 0, 2, 97, 159, 0, 1, 68, 116, 0, 1, 40, 70, 0, 1, 14, 29, 0, + 40, 194, 227, 0, 8, 147, 204, 0, 1, 94, 155, 0, 1, 65, 112, 0, 1, 39, 66, 0, + 1, 14, 26, 0, 16, 208, 228, 0, 3, 151, 207, 0, 1, 98, 160, 0, 1, 67, 117, 0, + 1, 41, 74, 0, 1, 17, 31, 0, 17, 38, 140, 0, 7, 34, 80, 0, 1, 17, 29, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 37, 75, 128, 0, 41, 76, 128, 0, + 26, 66, 116, 0, 12, 52, 94, 0, 2, 32, 55, 0, 1, 10, 16, 0, 50, 127, 154, 0, + 37, 109, 152, 0, 16, 82, 121, 0, 5, 59, 85, 0, 1, 35, 54, 0, 1, 13, 20, 0, + 40, 142, 167, 0, 17, 110, 157, 0, 2, 71, 112, 0, 1, 44, 72, 0, 1, 27, 45, 0, + 1, 11, 17, 0, 30, 175, 188, 0, 9, 124, 169, 0, 1, 74, 116, 0, 1, 48, 78, 0, + 1, 30, 49, 0, 1, 11, 18, 0, 10, 222, 223, 0, 2, 150, 194, 0, 1, 83, 128, 0, + 1, 48, 79, 0, 1, 27, 45, 0, 1, 11, 17, 0, 36, 41, 235, 0, 29, 36, 193, 0, + 10, 27, 111, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 85, 165, 222, 0, + 177, 162, 215, 0, 110, 135, 195, 0, 57, 113, 168, 0, 23, 83, 120, 0, 10, 49, 61, 0, + 85, 190, 223, 0, 36, 139, 200, 0, 5, 90, 146, 0, 1, 60, 103, 0, 1, 38, 65, 0, + 1, 18, 30, 0, 72, 202, 223, 0, 23, 141, 199, 0, 2, 86, 140, 0, 1, 56, 97, 0, + 1, 36, 61, 0, 1, 16, 27, 0, 55, 218, 225, 0, 13, 145, 200, 0, 1, 86, 141, 0, + 1, 57, 99, 0, 1, 35, 61, 0, 1, 13, 22, 0, 15, 235, 212, 0, 1, 132, 184, 0, + 1, 84, 139, 0, 1, 57, 97, 0, 1, 34, 56, 0, 1, 14, 23, 0, 181, 21, 201, 0, + 61, 37, 123, 0, 10, 38, 71, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 47, 106, 172, 0, 95, 104, 173, 0, 42, 93, 159, 0, 18, 77, 131, 0, 4, 50, 81, 0, + 1, 17, 23, 0, 62, 147, 199, 0, 44, 130, 189, 0, 28, 102, 154, 0, 18, 75, 115, 0, + 2, 44, 65, 0, 1, 12, 19, 0, 55, 153, 210, 0, 24, 130, 194, 0, 3, 93, 146, 0, + 1, 61, 97, 0, 1, 31, 50, 0, 1, 10, 16, 0, 49, 186, 223, 0, 17, 148, 204, 0, + 1, 96, 142, 0, 1, 53, 83, 0, 1, 26, 44, 0, 1, 11, 17, 0, 13, 217, 212, 0, + 2, 136, 180, 0, 1, 78, 124, 0, 1, 50, 83, 0, 1, 29, 49, 0, 1, 14, 23, 0, + 197, 13, 247, 0, 82, 17, 222, 0, 25, 17, 162, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 126, 186, 247, 0, 234, 191, 243, 0, 176, 177, 234, 0, 104, 158, 220, 0, + 66, 128, 186, 0, 55, 90, 137, 0, 111, 197, 242, 0, 46, 158, 219, 0, 9, 104, 171, 0, + 2, 65, 125, 0, 1, 44, 80, 0, 1, 17, 91, 0, 104, 208, 245, 0, 39, 168, 224, 0, + 3, 109, 162, 0, 1, 79, 124, 0, 1, 50, 102, 0, 1, 43, 102, 0, 84, 220, 246, 0, + 31, 177, 231, 0, 2, 115, 180, 0, 1, 79, 134, 0, 1, 55, 77, 0, 1, 60, 79, 0, + 43, 243, 240, 0, 8, 180, 217, 0, 1, 115, 166, 0, 1, 84, 121, 0, 1, 51, 67, 0, + 1, 16, 6, 0, + }, + .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}, +}; + +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); +} + +s32 VP9::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]; +} + +s32 VP9::RecenterNonNeg(s32 new_prob, s32 old_prob) { + if (new_prob > old_prob * 2) { + return new_prob; + } else if (new_prob >= old_prob) { + return (new_prob - old_prob) * 2; + } else { + return (old_prob - new_prob) * 2 - 1; + } +} + +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, 2304>& new_prob, + const std::array<u8, 2304>& old_prob) { + // Note: There's 1 byte added on each packet for alignment, + // this byte is ignored when doing updates. + constexpr s32 block_bytes = 2 * 2 * 6 * 6 * 4; + + const auto needs_update = [&](s32 base_index) -> bool { + s32 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 (new_prob[index + 0] != old_prob[index + 0] || + new_prob[index + 1] != old_prob[index + 1] || + new_prob[index + 2] != old_prob[index + 2]) { + return true; + } + + index += 4; + } + } + } + } + return false; + }; + + for (s32 block_index = 0; block_index < 4; block_index++) { + const s32 base_index = block_index * block_bytes; + const bool update = needs_update(base_index); + writer.Write(update); + + if (update) { + s32 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 += 4; + } + } + } + } + } + + if (block_index == 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); + } +} + +s32 VP9::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; +} + +s32 VP9::CalcMaxLog2TileCols(s32 frameWidth) { + const s32 sb64_cols = (frameWidth + 63) / 64; + s32 max_log2 = 1; + + while ((sb64_cols >> max_log2) >= 4) { + max_log2++; + } + + return max_log2 - 1; +} + +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 std::move(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 frame{}; + { + gpu.SyncGuestHost(); + frame.info = std::move(GetVp9PictureInfo(state)); + + frame.bit_stream.resize(frame.info.bitstream_size); + gpu.MemoryManager().ReadBlock(state.frame_bitstream_offset, frame.bit_stream.data(), + frame.info.bitstream_size); + } + // Buffer two frames, saving the last show frame info + if (next_next_frame.bit_stream.size() != 0) { + Vp9FrameContainer temp{ + .info = frame.info, + .bit_stream = frame.bit_stream, + }; + next_next_frame.info.show_frame = frame.info.last_frame_shown; + frame.info = next_next_frame.info; + frame.bit_stream = next_next_frame.bit_stream; + next_next_frame = std::move(temp); + + if (next_frame.bit_stream.size() != 0) { + Vp9FrameContainer temp{ + .info = frame.info, + .bit_stream = frame.bit_stream, + }; + next_frame.info.show_frame = frame.info.last_frame_shown; + frame.info = next_frame.info; + frame.bit_stream = next_frame.bit_stream; + next_frame = std::move(temp); + } else { + next_frame.info = frame.info; + next_frame.bit_stream = frame.bit_stream; + } + } else { + next_next_frame.info = frame.info; + next_next_frame.bit_stream = frame.bit_stream; + } + return frame; +} + +std::vector<u8> VP9::ComposeCompressedHeader() { + VpxRangeEncoder writer{}; + + 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 (current_frame_info.show_frame && !current_frame_info.is_key_frame) { + 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 (current_frame_info.show_frame && !current_frame_info.is_key_frame) { + 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.show_frame && !current_frame_info.is_key_frame) { + prev_frame_probs.inter_mode_prob = current_frame_info.entropy.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 (current_frame_info.show_frame && !current_frame_info.is_key_frame) { + 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); + if (current_frame_info.show_frame && !current_frame_info.is_key_frame) { + prev_frame_probs.intra_inter_prob = current_frame_info.entropy.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 (current_frame_info.show_frame && !current_frame_info.is_key_frame) { + 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 (current_frame_info.show_frame && !current_frame_info.is_key_frame) { + 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 (current_frame_info.show_frame && !current_frame_info.is_key_frame) { + 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]); + } + if (current_frame_info.show_frame && !current_frame_info.is_key_frame) { + prev_frame_probs.y_mode_prob = current_frame_info.entropy.y_mode_prob; + } + // read_partition_probs + WriteProbabilityUpdateAligned4(writer, current_frame_info.entropy.partition_prob, + prev_frame_probs.partition_prob); + if (current_frame_info.show_frame && !current_frame_info.is_key_frame) { + prev_frame_probs.partition_prob = current_frame_info.entropy.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 (current_frame_info.show_frame && !current_frame_info.is_key_frame) { + 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 (current_frame_info.show_frame && !current_frame_info.is_key_frame) { + 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(); + + const auto writer_bytearray = writer.GetBuffer(); + + std::vector<u8> compressed_header(writer_bytearray.size()); + std::memcpy(compressed_header.data(), writer_bytearray.data(), writer_bytearray.size()); + return compressed_header; +} + +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 { + std::array<s32, 3> ref_frame_index; + + 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 + ref_frame_index = std::array<s32, 3>{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]; + + loop_filter_delta_update |= + (update_loop_filter_ref_deltas[index] = old_deltas != new_deltas); + } + + 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]; + + loop_filter_delta_update |= + (update_loop_filter_mode_deltas[index] = old_deltas != new_deltas); + } + + 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; +} + +std::vector<u8>& VP9::ComposeFrameHeader(NvdecCommon::NvdecRegisters& state) { + std::vector<u8> bitstream; + { + Vp9FrameContainer curr_frame = GetCurrentFrame(state); + current_frame_info = curr_frame.info; + bitstream = 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 (base_stream.GetPosition() >= 0 && 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..748e11bae --- /dev/null +++ b/src/video_core/command_classes/codecs/vp9.h @@ -0,0 +1,216 @@ +// Copyright 2020 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <unordered_map> +#include <vector> +#include "common/common_funcs.h" +#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(); + + /// 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(); + + std::vector<u8>& GetBuffer() { + return base_stream.GetBuffer(); + } + + 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}; + static 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, + }; +}; + +class VpxBitStreamWriter { +public: + VpxBitStreamWriter(); + ~VpxBitStreamWriter(); + + /// 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 + std::vector<u8>& GetByteArray(); + + /// Returns const byte_array + 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(); + + /// Composes the VP9 frame from the GPU state information. Based on the official VP9 spec + /// documentation + std::vector<u8>& ComposeFrameHeader(NvdecCommon::NvdecRegisters& state); + + /// Returns true if the most recent frame was a hidden frame. + 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); + + /// Adjusts old_prob depending on new_prob. Based on section 6.3.5 of VP9 Specification + s32 RemapProbability(s32 new_prob, s32 old_prob); + + /// Recenters probability. Based on section 6.3.6 of VP9 Specification + s32 RecenterNonNeg(s32 new_prob, s32 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, 2304>& new_prob, + const std::array<u8, 2304>& 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); + + /// 6.2.14 Tile size calculation + s32 CalcMinLog2TileCols(s32 frame_width); + s32 CalcMaxLog2TileCols(s32 frame_width); + + /// Returns VP9 information from NVDEC provided offset and size + 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 + Vp9FrameContainer GetCurrentFrame(const NvdecCommon::NvdecRegisters& state); + + /// Use NVDEC providied information to compose the headers for the current frame + std::vector<u8> ComposeCompressedHeader(); + 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; + 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; + static 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, + }; +}; + +} // 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..8688fdac0 --- /dev/null +++ b/src/video_core/command_classes/codecs/vp9_types.h @@ -0,0 +1,369 @@ +// Copyright 2020 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <algorithm> +#include <list> +#include <vector> +#include "common/cityhash.h" +#include "common/common_funcs.h" +#include "common/common_types.h" +#include "video_core/command_classes/nvdec_common.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 MvJointType { + MvJointZero = 0, /* Zero vector */ + MvJointHnzvz = 1, /* Vert zero, hor nonzero */ + MvJointHzvnz = 2, /* Hor zero, vert nonzero */ + MvJointHnzvnz = 3, /* Both components nonzero */ +}; +enum class MvClassType { + MvClass0 = 0, /* (0, 2] integer pel */ + MvClass1 = 1, /* (2, 4] integer pel */ + MvClass2 = 2, /* (4, 8] integer pel */ + MvClass3 = 3, /* (8, 16] integer pel */ + MvClass4 = 4, /* (16, 32] integer pel */ + MvClass5 = 5, /* (32, 64] integer pel */ + MvClass6 = 6, /* (64, 128] integer pel */ + MvClass7 = 7, /* (128, 256] integer pel */ + MvClass8 = 8, /* (256, 512] integer pel */ + MvClass9 = 9, /* (512, 1024] integer pel */ + MvClass10 = 10, /* (1024,2048] integer pel */ +}; + +enum class BlockSize { + Block4x4 = 0, + Block4x8 = 1, + Block8x4 = 2, + Block8x8 = 3, + Block8x16 = 4, + Block16x8 = 5, + Block16x16 = 6, + Block16x32 = 7, + Block32x16 = 8, + Block32x32 = 9, + Block32x64 = 10, + Block64x32 = 11, + Block64x64 = 12, + BlockSizes = 13, + BlockInvalid = BlockSizes +}; + +enum class PredictionMode { + DcPred = 0, // Average of above and left pixels + VPred = 1, // Vertical + HPred = 2, // Horizontal + D45Pred = 3, // Directional 45 deg = round(arctan(1 / 1) * 180 / pi) + D135Pred = 4, // Directional 135 deg = 180 - 45 + D117Pred = 5, // Directional 117 deg = 180 - 63 + D153Pred = 6, // Directional 153 deg = 180 - 27 + D207Pred = 7, // Directional 207 deg = 180 + 27 + D63Pred = 8, // Directional 63 deg = round(arctan(2 / 1) * 180 / pi) + TmPred = 9, // True-motion + NearestMv = 10, + NearMv = 11, + ZeroMv = 12, + NewMv = 13, + MbModeCount = 14 +}; + +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 +}; + +enum class reference_mode { + SingleReference = 0, + CompoundReference = 1, + ReferenceModeSelect = 2, + ReferenceModes = 3 +}; + +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, 2304> 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) == 0x9F4, "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); + + Vp9PictureInfo Convert() const { + + return Vp9PictureInfo{ + .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<std::array<u8, 4>, 7> inter_mode_prob{}; + std::array<u8, 4> intra_inter_prob{}; + INSERT_PADDING_BYTES(80); + std::array<std::array<u8, 1>, 2> tx_8x8_prob{}; + std::array<std::array<u8, 2>, 2> tx_16x16_prob{}; + std::array<std::array<u8, 3>, 2> 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<std::array<u8, 4>, 16> partition_prob{}; + INSERT_PADDING_BYTES(10); + std::array<std::array<u8, 2>, 4> switchable_interp_prob{}; + std::array<u8, 5> comp_inter_prob{}; + std::array<u8, 4> skip_probs{}; + std::array<u8, 3> joints{}; + std::array<u8, 2> sign{}; + std::array<std::array<u8, 1>, 2> class_0{}; + std::array<std::array<u8, 3>, 2> fr{}; + std::array<u8, 2> class_0_hp{}; + std::array<u8, 2> high_precision{}; + std::array<std::array<u8, 10>, 2> classes{}; + std::array<std::array<std::array<u8, 3>, 2>, 2> class_0_fr{}; + std::array<std::array<u8, 10>, 2> pred_bits{}; + std::array<std::array<u8, 2>, 5> single_ref_prob{}; + std::array<u8, 5> comp_ref_prob{}; + INSERT_PADDING_BYTES(17); + std::array<std::array<std::array<std::array<std::array<std::array<u8, 4>, 6>, 6>, 2>, 2>, 4> + coef_probs{}; + + void Convert(Vp9EntropyProbs& fc) { + std::memcpy(fc.inter_mode_prob.data(), inter_mode_prob.data(), fc.inter_mode_prob.size()); + + std::memcpy(fc.intra_inter_prob.data(), intra_inter_prob.data(), + fc.intra_inter_prob.size()); + + std::memcpy(fc.tx_8x8_prob.data(), tx_8x8_prob.data(), fc.tx_8x8_prob.size()); + std::memcpy(fc.tx_16x16_prob.data(), tx_16x16_prob.data(), fc.tx_16x16_prob.size()); + std::memcpy(fc.tx_32x32_prob.data(), tx_32x32_prob.data(), fc.tx_32x32_prob.size()); + + for (s32 i = 0; i < 4; i++) { + for (s32 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]; + } + } + + std::memcpy(fc.partition_prob.data(), partition_prob.data(), fc.partition_prob.size()); + + std::memcpy(fc.switchable_interp_prob.data(), switchable_interp_prob.data(), + fc.switchable_interp_prob.size()); + std::memcpy(fc.comp_inter_prob.data(), comp_inter_prob.data(), fc.comp_inter_prob.size()); + std::memcpy(fc.skip_probs.data(), skip_probs.data(), fc.skip_probs.size()); + + std::memcpy(fc.joints.data(), joints.data(), fc.joints.size()); + + std::memcpy(fc.sign.data(), sign.data(), fc.sign.size()); + std::memcpy(fc.class_0.data(), class_0.data(), fc.class_0.size()); + std::memcpy(fc.fr.data(), fr.data(), fc.fr.size()); + std::memcpy(fc.class_0_hp.data(), class_0_hp.data(), fc.class_0_hp.size()); + std::memcpy(fc.high_precision.data(), high_precision.data(), fc.high_precision.size()); + std::memcpy(fc.classes.data(), classes.data(), fc.classes.size()); + std::memcpy(fc.class_0_fr.data(), class_0_fr.data(), fc.class_0_fr.size()); + std::memcpy(fc.prob_bits.data(), pred_bits.data(), fc.prob_bits.size()); + std::memcpy(fc.single_ref_prob.data(), single_ref_prob.data(), fc.single_ref_prob.size()); + std::memcpy(fc.comp_ref_prob.data(), comp_ref_prob.data(), fc.comp_ref_prob.size()); + + std::memcpy(fc.coef_probs.data(), coef_probs.data(), fc.coef_probs.size()); + } +}; +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 |