diff options
Diffstat (limited to 'src/video_core/command_classes/codecs/h264.h')
| -rw-r--r-- | src/video_core/command_classes/codecs/h264.h | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/src/video_core/command_classes/codecs/h264.h b/src/video_core/command_classes/codecs/h264.h deleted file mode 100644 index 261574364..000000000 --- a/src/video_core/command_classes/codecs/h264.h +++ /dev/null @@ -1,173 +0,0 @@ -// SPDX-FileCopyrightText: Ryujinx Team and Contributors -// SPDX-License-Identifier: MIT - -#pragma once - -#include <span> -#include <vector> -#include "common/bit_field.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 { - -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(std::span<const 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 frame for FFmpeg decoding - [[nodiscard]] const std::vector<u8>& ComposeFrame(const NvdecCommon::NvdecRegisters& state, - bool is_first_frame = false); - -private: - std::vector<u8> frame; - GPU& gpu; - - struct H264ParameterSet { - s32 log2_max_pic_order_cnt_lsb_minus4; ///< 0x00 - s32 delta_pic_order_always_zero_flag; ///< 0x04 - s32 frame_mbs_only_flag; ///< 0x08 - u32 pic_width_in_mbs; ///< 0x0C - u32 frame_height_in_map_units; ///< 0x10 - union { ///< 0x14 - BitField<0, 2, u32> tile_format; - BitField<2, 3, u32> gob_height; - }; - u32 entropy_coding_mode_flag; ///< 0x18 - s32 pic_order_present_flag; ///< 0x1C - s32 num_refidx_l0_default_active; ///< 0x20 - s32 num_refidx_l1_default_active; ///< 0x24 - s32 deblocking_filter_control_present_flag; ///< 0x28 - s32 redundant_pic_cnt_present_flag; ///< 0x2C - u32 transform_8x8_mode_flag; ///< 0x30 - u32 pitch_luma; ///< 0x34 - u32 pitch_chroma; ///< 0x38 - u32 luma_top_offset; ///< 0x3C - u32 luma_bot_offset; ///< 0x40 - u32 luma_frame_offset; ///< 0x44 - u32 chroma_top_offset; ///< 0x48 - u32 chroma_bot_offset; ///< 0x4C - u32 chroma_frame_offset; ///< 0x50 - u32 hist_buffer_size; ///< 0x54 - union { ///< 0x58 - union { - BitField<0, 1, u64> mbaff_frame; - BitField<1, 1, u64> direct_8x8_inference; - BitField<2, 1, u64> weighted_pred; - BitField<3, 1, u64> constrained_intra_pred; - BitField<4, 1, u64> ref_pic; - BitField<5, 1, u64> field_pic; - BitField<6, 1, u64> bottom_field; - BitField<7, 1, u64> second_field; - } flags; - BitField<8, 4, u64> log2_max_frame_num_minus4; - BitField<12, 2, u64> chroma_format_idc; - BitField<14, 2, u64> pic_order_cnt_type; - BitField<16, 6, s64> pic_init_qp_minus26; - BitField<22, 5, s64> chroma_qp_index_offset; - BitField<27, 5, s64> second_chroma_qp_index_offset; - BitField<32, 2, u64> weighted_bipred_idc; - BitField<34, 7, u64> curr_pic_idx; - BitField<41, 5, u64> curr_col_idx; - BitField<46, 16, u64> frame_number; - BitField<62, 1, u64> frame_surfaces; - BitField<63, 1, u64> output_memory_layout; - }; - }; - static_assert(sizeof(H264ParameterSet) == 0x60, "H264ParameterSet is an invalid size"); - - struct H264DecoderContext { - INSERT_PADDING_WORDS_NOINIT(18); ///< 0x0000 - u32 stream_len; ///< 0x0048 - INSERT_PADDING_WORDS_NOINIT(3); ///< 0x004C - H264ParameterSet h264_parameter_set; ///< 0x0058 - INSERT_PADDING_WORDS_NOINIT(66); ///< 0x00B8 - std::array<u8, 0x60> weight_scale; ///< 0x01C0 - std::array<u8, 0x80> weight_scale_8x8; ///< 0x0220 - }; - static_assert(sizeof(H264DecoderContext) == 0x2A0, "H264DecoderContext is an invalid size"); - -#define ASSERT_POSITION(field_name, position) \ - static_assert(offsetof(H264ParameterSet, field_name) == position, \ - "Field " #field_name " has invalid position") - - ASSERT_POSITION(log2_max_pic_order_cnt_lsb_minus4, 0x00); - ASSERT_POSITION(delta_pic_order_always_zero_flag, 0x04); - ASSERT_POSITION(frame_mbs_only_flag, 0x08); - ASSERT_POSITION(pic_width_in_mbs, 0x0C); - ASSERT_POSITION(frame_height_in_map_units, 0x10); - ASSERT_POSITION(tile_format, 0x14); - ASSERT_POSITION(entropy_coding_mode_flag, 0x18); - ASSERT_POSITION(pic_order_present_flag, 0x1C); - ASSERT_POSITION(num_refidx_l0_default_active, 0x20); - ASSERT_POSITION(num_refidx_l1_default_active, 0x24); - ASSERT_POSITION(deblocking_filter_control_present_flag, 0x28); - ASSERT_POSITION(redundant_pic_cnt_present_flag, 0x2C); - ASSERT_POSITION(transform_8x8_mode_flag, 0x30); - ASSERT_POSITION(pitch_luma, 0x34); - ASSERT_POSITION(pitch_chroma, 0x38); - ASSERT_POSITION(luma_top_offset, 0x3C); - ASSERT_POSITION(luma_bot_offset, 0x40); - ASSERT_POSITION(luma_frame_offset, 0x44); - ASSERT_POSITION(chroma_top_offset, 0x48); - ASSERT_POSITION(chroma_bot_offset, 0x4C); - ASSERT_POSITION(chroma_frame_offset, 0x50); - ASSERT_POSITION(hist_buffer_size, 0x54); - ASSERT_POSITION(flags, 0x58); -#undef ASSERT_POSITION - -#define ASSERT_POSITION(field_name, position) \ - static_assert(offsetof(H264DecoderContext, field_name) == position, \ - "Field " #field_name " has invalid position") - - ASSERT_POSITION(stream_len, 0x48); - ASSERT_POSITION(h264_parameter_set, 0x58); - ASSERT_POSITION(weight_scale, 0x1C0); -#undef ASSERT_POSITION -}; - -} // namespace Decoder -} // namespace Tegra |