nvdec cleanup

This commit is contained in:
ameerj 2020-11-23 13:25:01 -05:00 committed by ameerj
parent 83227ad981
commit ac265a72ce
8 changed files with 38 additions and 43 deletions

View file

@ -44,8 +44,10 @@ Codec::~Codec() {
}
void Codec::SetTargetCodec(NvdecCommon::VideoCodec codec) {
LOG_INFO(Service_NVDRV, "NVDEC video codec initialized to {}", codec);
current_codec = codec;
if (current_codec != codec) {
LOG_INFO(Service_NVDRV, "NVDEC video codec initialized to {}", static_cast<u32>(codec));
current_codec = codec;
}
}
void Codec::StateWrite(u32 offset, u64 arguments) {
@ -55,7 +57,6 @@ void Codec::StateWrite(u32 offset, u64 arguments) {
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);

View file

@ -18,7 +18,10 @@ extern "C" {
namespace Tegra {
Vic::Vic(GPU& gpu_, std::shared_ptr<Nvdec> nvdec_processor_)
: gpu(gpu_), nvdec_processor(std::move(nvdec_processor_)) {}
: gpu(gpu_),
nvdec_processor(std::move(nvdec_processor_)), converted_frame_buffer{nullptr, av_free}
{}
Vic::~Vic() = default;
void Vic::VicStateWrite(u32 offset, u32 arguments) {
@ -89,8 +92,10 @@ void Vic::Execute() {
// Get Converted frame
const std::size_t linear_size = frame->width * frame->height * 4;
using AVMallocPtr = std::unique_ptr<u8, decltype(&av_free)>;
AVMallocPtr converted_frame_buffer{static_cast<u8*>(av_malloc(linear_size)), av_free};
// Only allocate frame_buffer once per stream, as the size is not expected to change
if (!converted_frame_buffer) {
converted_frame_buffer = AVMallocPtr{static_cast<u8*>(av_malloc(linear_size)), av_free};
}
const int converted_stride{frame->width * 4};
u8* const converted_frame_buf_addr{converted_frame_buffer.get()};
@ -104,12 +109,12 @@ void Vic::Execute() {
const u32 block_height = static_cast<u32>(config.block_linear_height_log2);
const auto size = Tegra::Texture::CalculateSize(true, 4, frame->width, frame->height, 1,
block_height, 0);
std::vector<u8> swizzled_data(size);
luma_buffer.resize(size);
Tegra::Texture::SwizzleSubrect(frame->width, frame->height, frame->width * 4,
frame->width, 4, swizzled_data.data(),
frame->width, 4, luma_buffer.data(),
converted_frame_buffer.get(), block_height, 0, 0);
gpu.MemoryManager().WriteBlock(output_surface_luma_address, swizzled_data.data(), size);
gpu.MemoryManager().WriteBlock(output_surface_luma_address, luma_buffer.data(), size);
} else {
// send pitch linear frame
gpu.MemoryManager().WriteBlock(output_surface_luma_address, converted_frame_buf_addr,
@ -132,8 +137,8 @@ void Vic::Execute() {
const auto stride = frame->linesize[0];
const auto half_stride = frame->linesize[1];
std::vector<u8> luma_buffer(aligned_width * surface_height);
std::vector<u8> chroma_buffer(aligned_width * half_height);
luma_buffer.resize(aligned_width * surface_height);
chroma_buffer.resize(aligned_width * half_height);
// Populate luma buffer
for (std::size_t y = 0; y < surface_height - 1; ++y) {

View file

@ -97,6 +97,13 @@ private:
GPU& gpu;
std::shared_ptr<Tegra::Nvdec> nvdec_processor;
/// Avoid reallocation of the following buffers every frame, as their
/// size does not change during a stream
using AVMallocPtr = std::unique_ptr<u8, decltype(&av_free)>;
AVMallocPtr converted_frame_buffer;
std::vector<u8> luma_buffer;
std::vector<u8> chroma_buffer;
GPUVAddr config_struct_address{};
GPUVAddr output_surface_luma_address{};
GPUVAddr output_surface_chroma_u_address{};