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// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <array>
#include <span>
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/scratch_buffer.h"
#include "video_core/host1x/nvdec_common.h"
namespace Tegra {
namespace Host1x {
class Host1x;
} // namespace Host1x
namespace Decoder {
class VP8 {
public:
explicit VP8(Host1x::Host1x& host1x);
~VP8();
/// Compose the VP8 frame for FFmpeg decoding
[[nodiscard]] std::span<const u8> ComposeFrame(
const Host1x::NvdecCommon::NvdecRegisters& state);
private:
Common::ScratchBuffer<u8> frame;
Host1x::Host1x& host1x;
struct VP8PictureInfo {
INSERT_PADDING_WORDS_NOINIT(14);
u16 frame_width; // actual frame width
u16 frame_height; // actual frame height
u8 key_frame;
u8 version;
union {
u8 raw;
BitField<0, 2, u8> tile_format;
BitField<2, 3, u8> gob_height;
BitField<5, 3, u8> reserved_surface_format;
};
u8 error_conceal_on; // 1: error conceal on; 0: off
u32 first_part_size; // the size of first partition(frame header and mb header partition)
u32 hist_buffer_size; // in units of 256
u32 vld_buffer_size; // in units of 1
// Current frame buffers
std::array<u32, 2> frame_stride; // [y_c]
u32 luma_top_offset; // offset of luma top field in units of 256
u32 luma_bot_offset; // offset of luma bottom field in units of 256
u32 luma_frame_offset; // offset of luma frame in units of 256
u32 chroma_top_offset; // offset of chroma top field in units of 256
u32 chroma_bot_offset; // offset of chroma bottom field in units of 256
u32 chroma_frame_offset; // offset of chroma frame in units of 256
INSERT_PADDING_BYTES_NOINIT(0x1c); // NvdecDisplayParams
// Decode picture buffer related
s8 current_output_memory_layout;
// output NV12/NV24 setting. index 0: golden; 1: altref; 2: last
std::array<s8, 3> output_memory_layout;
u8 segmentation_feature_data_update;
INSERT_PADDING_BYTES_NOINIT(3);
// ucode return result
u32 result_value;
std::array<u32, 8> partition_offset;
INSERT_PADDING_WORDS_NOINIT(3);
};
static_assert(sizeof(VP8PictureInfo) == 0xc0, "PictureInfo is an invalid size");
};
} // namespace Decoder
} // namespace Tegra
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