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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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14
src/video_core/host1x/codecs/h264.cpp
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@ -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());