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general: Use ScratchBuffer where possible

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This commit is contained in:
Morph 2023-06-24 21:58:23 -04:00
parent fbd85417ff
commit 310b6cf4af
14 changed files with 81 additions and 64 deletions
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2
src/video_core/host1x/codecs/codec.cpp
View file

@ -290,7 +290,7 @@ void Codec::Decode() {
return vp9_decoder->GetFrameBytes();
default:
ASSERT(false);
return std::vector<u8>{};
return std::span<const u8>{};
}
}();
AVPacketPtr packet{av_packet_alloc(), AVPacketDeleter};

14
src/video_core/host1x/codecs/h264.cpp
View file

@ -29,15 +29,15 @@ H264::H264(Host1x::Host1x& host1x_) : host1x{host1x_} {}
H264::~H264() = default;
const std::vector<u8>& H264::ComposeFrame(const Host1x::NvdecCommon::NvdecRegisters& state,
bool is_first_frame) {
std::span<const u8> H264::ComposeFrame(const Host1x::NvdecCommon::NvdecRegisters& state,
bool is_first_frame) {
H264DecoderContext context;
host1x.MemoryManager().ReadBlock(state.picture_info_offset, &context,
sizeof(H264DecoderContext));
const s64 frame_number = context.h264_parameter_set.frame_number.Value();
if (!is_first_frame && frame_number != 0) {
frame.resize(context.stream_len);
frame.resize_destructive(context.stream_len);
host1x.MemoryManager().ReadBlock(state.frame_bitstream_offset, frame.data(), frame.size());
return frame;
}
@ -135,14 +135,14 @@ const std::vector<u8>& H264::ComposeFrame(const Host1x::NvdecCommon::NvdecRegist
for (s32 index = 0; index < 6; index++) {
writer.WriteBit(true);
std::span<const u8> matrix{context.weight_scale};
writer.WriteScalingList(matrix, index * 16, 16);
writer.WriteScalingList(scan, matrix, index * 16, 16);
}
if (context.h264_parameter_set.transform_8x8_mode_flag) {
for (s32 index = 0; index < 2; index++) {
writer.WriteBit(true);
std::span<const u8> matrix{context.weight_scale_8x8};
writer.WriteScalingList(matrix, index * 64, 64);
writer.WriteScalingList(scan, matrix, index * 64, 64);
}
}
@ -188,8 +188,8 @@ void H264BitWriter::WriteBit(bool state) {
WriteBits(state ? 1 : 0, 1);
}
void H264BitWriter::WriteScalingList(std::span<const u8> list, s32 start, s32 count) {
static Common::ScratchBuffer<u8> scan{};
void H264BitWriter::WriteScalingList(Common::ScratchBuffer<u8>& scan, std::span<const u8> list,
s32 start, s32 count) {
scan.resize_destructive(count);
if (count == 16) {
std::memcpy(scan.data(), zig_zag_scan.data(), scan.size());

12
src/video_core/host1x/codecs/h264.h
View file

@ -5,9 +5,11 @@
#include <span>
#include <vector>
#include "common/bit_field.h"
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/scratch_buffer.h"
#include "video_core/host1x/nvdec_common.h"
namespace Tegra {
@ -37,7 +39,8 @@ public:
/// 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);
void WriteScalingList(Common::ScratchBuffer<u8>& scan, std::span<const u8> list, s32 start,
s32 count);
/// Return the bitstream as a vector.
[[nodiscard]] std::vector<u8>& GetByteArray();
@ -63,11 +66,12 @@ public:
~H264();
/// Compose the H264 frame for FFmpeg decoding
[[nodiscard]] const std::vector<u8>& ComposeFrame(
const Host1x::NvdecCommon::NvdecRegisters& state, bool is_first_frame = false);
[[nodiscard]] std::span<const u8> ComposeFrame(const Host1x::NvdecCommon::NvdecRegisters& state,
bool is_first_frame = false);
private:
std::vector<u8> frame;
Common::ScratchBuffer<u8> frame;
Common::ScratchBuffer<u8> scan;
Host1x::Host1x& host1x;
struct H264ParameterSet {

2
src/video_core/host1x/codecs/vp8.cpp
View file

@ -12,7 +12,7 @@ VP8::VP8(Host1x::Host1x& host1x_) : host1x{host1x_} {}
VP8::~VP8() = default;
const std::vector<u8>& VP8::ComposeFrame(const Host1x::NvdecCommon::NvdecRegisters& state) {
std::span<const u8> VP8::ComposeFrame(const Host1x::NvdecCommon::NvdecRegisters& state) {
VP8PictureInfo info;
host1x.MemoryManager().ReadBlock(state.picture_info_offset, &info, sizeof(VP8PictureInfo));

7
src/video_core/host1x/codecs/vp8.h
View file

@ -4,10 +4,11 @@
#pragma once
#include <array>
#include <vector>
#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 {
@ -24,11 +25,11 @@ public:
~VP8();
/// Compose the VP8 frame for FFmpeg decoding
[[nodiscard]] const std::vector<u8>& ComposeFrame(
[[nodiscard]] std::span<const u8> ComposeFrame(
const Host1x::NvdecCommon::NvdecRegisters& state);
private:
std::vector<u8> frame;
Common::ScratchBuffer<u8> frame;
Host1x::Host1x& host1x;
struct VP8PictureInfo {

1
src/video_core/host1x/codecs/vp9.cpp
View file

@ -3,6 +3,7 @@
#include <algorithm> // for std::copy
#include <numeric>
#include "common/assert.h"
#include "video_core/host1x/codecs/vp9.h"
#include "video_core/host1x/host1x.h"

8
src/video_core/host1x/codecs/vp9.h
View file

@ -4,9 +4,11 @@
#pragma once
#include <array>
#include <span>
#include <vector>
#include "common/common_types.h"
#include "common/scratch_buffer.h"
#include "common/stream.h"
#include "video_core/host1x/codecs/vp9_types.h"
#include "video_core/host1x/nvdec_common.h"
@ -128,8 +130,8 @@ public:
return !current_frame_info.show_frame;
}
/// Returns a const reference to the composed frame data.
[[nodiscard]] const std::vector<u8>& GetFrameBytes() const {
/// Returns a const span to the composed frame data.
[[nodiscard]] std::span<const u8> GetFrameBytes() const {
return frame;
}
@ -181,7 +183,7 @@ private:
[[nodiscard]] VpxBitStreamWriter ComposeUncompressedHeader();
Host1x::Host1x& host1x;
std::vector<u8> frame;
Common::ScratchBuffer<u8> frame;
std::array<s8, 4> loop_filter_ref_deltas{};
std::array<s8, 2> loop_filter_mode_deltas{};

1
src/video_core/host1x/codecs/vp9_types.h
View file

@ -5,6 +5,7 @@
#include <array>
#include <vector>
#include "common/common_funcs.h"
#include "common/common_types.h"