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authorMai M <mathew1800@gmail.com>2021-10-09 01:19:20 +0200
committerGitHub <noreply@github.com>2021-10-09 01:19:20 +0200
commit39cd6306e63848cdb9fafa6d30311b372223d3d4 (patch)
tree53014e4f34ee6fceabbc41c924899b42f7afb5ba /src/video_core/command_classes/vic.cpp
parentMerge pull request #7139 from Morph1984/service-headers (diff)
parentvic: Avoid memory corruption when multiple streams with different dimensions are decoded (diff)
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Diffstat (limited to 'src/video_core/command_classes/vic.cpp')
-rw-r--r--src/video_core/command_classes/vic.cpp259
1 files changed, 150 insertions, 109 deletions
diff --git a/src/video_core/command_classes/vic.cpp b/src/video_core/command_classes/vic.cpp
index 0ee07f398..51f739801 100644
--- a/src/video_core/command_classes/vic.cpp
+++ b/src/video_core/command_classes/vic.cpp
@@ -16,6 +16,7 @@ extern "C" {
}
#include "common/assert.h"
+#include "common/bit_field.h"
#include "common/logging/log.h"
#include "video_core/command_classes/nvdec.h"
@@ -26,6 +27,25 @@ extern "C" {
#include "video_core/textures/decoders.h"
namespace Tegra {
+namespace {
+enum class VideoPixelFormat : u64_le {
+ RGBA8 = 0x1f,
+ BGRA8 = 0x20,
+ RGBX8 = 0x23,
+ Yuv420 = 0x44,
+};
+} // Anonymous namespace
+
+union VicConfig {
+ u64_le raw{};
+ BitField<0, 7, VideoPixelFormat> pixel_format;
+ BitField<7, 2, u64_le> chroma_loc_horiz;
+ BitField<9, 2, u64_le> chroma_loc_vert;
+ BitField<11, 4, u64_le> block_linear_kind;
+ BitField<15, 4, u64_le> block_linear_height_log2;
+ BitField<32, 14, u64_le> surface_width_minus1;
+ BitField<46, 14, u64_le> surface_height_minus1;
+};
Vic::Vic(GPU& gpu_, std::shared_ptr<Nvdec> nvdec_processor_)
: gpu(gpu_),
@@ -65,134 +85,155 @@ void Vic::Execute() {
if (!frame) {
return;
}
- const auto pixel_format = static_cast<VideoPixelFormat>(config.pixel_format.Value());
- switch (pixel_format) {
+ const u64 surface_width = config.surface_width_minus1 + 1;
+ const u64 surface_height = config.surface_height_minus1 + 1;
+ if (static_cast<u64>(frame->width) != surface_width ||
+ static_cast<u64>(frame->height) != surface_height) {
+ // TODO: Properly support multiple video streams with differing frame dimensions
+ LOG_WARNING(Debug, "Frame dimensions {}x{} do not match expected surface dimensions {}x{}",
+ frame->width, frame->height, surface_width, surface_height);
+ return;
+ }
+ switch (config.pixel_format) {
+ case VideoPixelFormat::RGBA8:
case VideoPixelFormat::BGRA8:
- case VideoPixelFormat::RGBA8: {
- LOG_TRACE(Service_NVDRV, "Writing RGB Frame");
+ case VideoPixelFormat::RGBX8:
+ WriteRGBFrame(frame, config);
+ break;
+ case VideoPixelFormat::Yuv420:
+ WriteYUVFrame(frame, config);
+ break;
+ default:
+ UNIMPLEMENTED_MSG("Unknown video pixel format {:X}", config.pixel_format.Value());
+ break;
+ }
+}
- if (scaler_ctx == nullptr || frame->width != scaler_width ||
- frame->height != scaler_height) {
- const AVPixelFormat target_format =
- (pixel_format == VideoPixelFormat::RGBA8) ? AV_PIX_FMT_RGBA : AV_PIX_FMT_BGRA;
+void Vic::WriteRGBFrame(const AVFrame* frame, const VicConfig& config) {
+ LOG_TRACE(Service_NVDRV, "Writing RGB Frame");
+
+ if (!scaler_ctx || frame->width != scaler_width || frame->height != scaler_height) {
+ const AVPixelFormat target_format = [pixel_format = config.pixel_format]() {
+ switch (pixel_format) {
+ case VideoPixelFormat::RGBA8:
+ return AV_PIX_FMT_RGBA;
+ case VideoPixelFormat::BGRA8:
+ return AV_PIX_FMT_BGRA;
+ case VideoPixelFormat::RGBX8:
+ return AV_PIX_FMT_RGB0;
+ default:
+ return AV_PIX_FMT_RGBA;
+ }
+ }();
+
+ sws_freeContext(scaler_ctx);
+ // Frames are decoded into either YUV420 or NV12 formats. Convert to desired RGB format
+ scaler_ctx = sws_getContext(frame->width, frame->height,
+ static_cast<AVPixelFormat>(frame->format), frame->width,
+ frame->height, target_format, 0, nullptr, nullptr, nullptr);
+ scaler_width = frame->width;
+ scaler_height = frame->height;
+ converted_frame_buffer.reset();
+ }
+ // Get Converted frame
+ const u32 width = static_cast<u32>(frame->width);
+ const u32 height = static_cast<u32>(frame->height);
+ const std::size_t linear_size = width * height * 4;
+
+ // 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 std::array<int, 4> converted_stride{frame->width * 4, frame->height * 4, 0, 0};
+ u8* const converted_frame_buf_addr{converted_frame_buffer.get()};
+
+ sws_scale(scaler_ctx, frame->data, frame->linesize, 0, frame->height, &converted_frame_buf_addr,
+ converted_stride.data());
+
+ const u32 blk_kind = static_cast<u32>(config.block_linear_kind);
+ if (blk_kind != 0) {
+ // swizzle pitch linear to block linear
+ const u32 block_height = static_cast<u32>(config.block_linear_height_log2);
+ const auto size = Texture::CalculateSize(true, 4, width, height, 1, block_height, 0);
+ luma_buffer.resize(size);
+ Texture::SwizzleSubrect(width, height, width * 4, width, 4, luma_buffer.data(),
+ converted_frame_buffer.get(), block_height, 0, 0);
+
+ 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,
+ linear_size);
+ }
+}
- sws_freeContext(scaler_ctx);
- scaler_ctx = nullptr;
+void Vic::WriteYUVFrame(const AVFrame* frame, const VicConfig& config) {
+ LOG_TRACE(Service_NVDRV, "Writing YUV420 Frame");
- // Frames are decoded into either YUV420 or NV12 formats. Convert to desired format
- scaler_ctx = sws_getContext(frame->width, frame->height,
- static_cast<AVPixelFormat>(frame->format), frame->width,
- frame->height, target_format, 0, nullptr, nullptr, nullptr);
+ const std::size_t surface_width = config.surface_width_minus1 + 1;
+ const std::size_t surface_height = config.surface_height_minus1 + 1;
+ const auto frame_width = std::min(surface_width, static_cast<size_t>(frame->width));
+ const auto frame_height = std::min(surface_height, static_cast<size_t>(frame->height));
+ const std::size_t aligned_width = (surface_width + 0xff) & ~0xffUL;
- scaler_width = frame->width;
- scaler_height = frame->height;
- }
- // Get Converted frame
- const u32 width = static_cast<u32>(frame->width);
- const u32 height = static_cast<u32>(frame->height);
- const std::size_t linear_size = width * height * 4;
-
- // 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 auto stride = static_cast<size_t>(frame->linesize[0]);
+
+ luma_buffer.resize(aligned_width * surface_height);
+ chroma_buffer.resize(aligned_width * surface_height / 2);
+
+ // Populate luma buffer
+ const u8* luma_src = frame->data[0];
+ for (std::size_t y = 0; y < frame_height; ++y) {
+ const std::size_t src = y * stride;
+ const std::size_t dst = y * aligned_width;
+ for (std::size_t x = 0; x < frame_width; ++x) {
+ luma_buffer[dst + x] = luma_src[src + x];
}
- const std::array<int, 4> converted_stride{frame->width * 4, frame->height * 4, 0, 0};
- u8* const converted_frame_buf_addr{converted_frame_buffer.get()};
-
- sws_scale(scaler_ctx, frame->data, frame->linesize, 0, frame->height,
- &converted_frame_buf_addr, converted_stride.data());
-
- const u32 blk_kind = static_cast<u32>(config.block_linear_kind);
- if (blk_kind != 0) {
- // swizzle pitch linear to block linear
- const u32 block_height = static_cast<u32>(config.block_linear_height_log2);
- const auto size =
- Tegra::Texture::CalculateSize(true, 4, width, height, 1, block_height, 0);
- luma_buffer.resize(size);
- Tegra::Texture::SwizzleSubrect(width, height, width * 4, width, 4, luma_buffer.data(),
- converted_frame_buffer.get(), block_height, 0, 0);
-
- 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,
- linear_size);
+ }
+ gpu.MemoryManager().WriteBlock(output_surface_luma_address, luma_buffer.data(),
+ luma_buffer.size());
+
+ // Chroma
+ const std::size_t half_height = frame_height / 2;
+ const auto half_stride = static_cast<size_t>(frame->linesize[1]);
+
+ switch (frame->format) {
+ case AV_PIX_FMT_YUV420P: {
+ // Frame from FFmpeg software
+ // Populate chroma buffer from both channels with interleaving.
+ const std::size_t half_width = frame_width / 2;
+ const u8* chroma_b_src = frame->data[1];
+ const u8* chroma_r_src = frame->data[2];
+ for (std::size_t y = 0; y < half_height; ++y) {
+ const std::size_t src = y * half_stride;
+ const std::size_t dst = y * aligned_width;
+
+ for (std::size_t x = 0; x < half_width; ++x) {
+ chroma_buffer[dst + x * 2] = chroma_b_src[src + x];
+ chroma_buffer[dst + x * 2 + 1] = chroma_r_src[src + x];
+ }
}
break;
}
- case VideoPixelFormat::Yuv420: {
- LOG_TRACE(Service_NVDRV, "Writing YUV420 Frame");
-
- const std::size_t surface_width = config.surface_width_minus1 + 1;
- const std::size_t surface_height = config.surface_height_minus1 + 1;
- const auto frame_width = std::min(surface_width, static_cast<size_t>(frame->width));
- const auto frame_height = std::min(surface_height, static_cast<size_t>(frame->height));
- const std::size_t aligned_width = (surface_width + 0xff) & ~0xffUL;
-
- const auto stride = static_cast<size_t>(frame->linesize[0]);
-
- luma_buffer.resize(aligned_width * surface_height);
- chroma_buffer.resize(aligned_width * surface_height / 2);
-
- // Populate luma buffer
- const u8* luma_src = frame->data[0];
- for (std::size_t y = 0; y < frame_height; ++y) {
+ case AV_PIX_FMT_NV12: {
+ // Frame from VA-API hardware
+ // This is already interleaved so just copy
+ const u8* chroma_src = frame->data[1];
+ for (std::size_t y = 0; y < half_height; ++y) {
const std::size_t src = y * stride;
const std::size_t dst = y * aligned_width;
for (std::size_t x = 0; x < frame_width; ++x) {
- luma_buffer[dst + x] = luma_src[src + x];
- }
- }
- gpu.MemoryManager().WriteBlock(output_surface_luma_address, luma_buffer.data(),
- luma_buffer.size());
-
- // Chroma
- const std::size_t half_height = frame_height / 2;
- const auto half_stride = static_cast<size_t>(frame->linesize[1]);
-
- switch (frame->format) {
- case AV_PIX_FMT_YUV420P: {
- // Frame from FFmpeg software
- // Populate chroma buffer from both channels with interleaving.
- const std::size_t half_width = frame_width / 2;
- const u8* chroma_b_src = frame->data[1];
- const u8* chroma_r_src = frame->data[2];
- for (std::size_t y = 0; y < half_height; ++y) {
- const std::size_t src = y * half_stride;
- const std::size_t dst = y * aligned_width;
-
- for (std::size_t x = 0; x < half_width; ++x) {
- chroma_buffer[dst + x * 2] = chroma_b_src[src + x];
- chroma_buffer[dst + x * 2 + 1] = chroma_r_src[src + x];
- }
+ chroma_buffer[dst + x] = chroma_src[src + x];
}
- break;
- }
- case AV_PIX_FMT_NV12: {
- // Frame from VA-API hardware
- // This is already interleaved so just copy
- const u8* chroma_src = frame->data[1];
- for (std::size_t y = 0; y < half_height; ++y) {
- const std::size_t src = y * stride;
- const std::size_t dst = y * aligned_width;
- for (std::size_t x = 0; x < frame_width; ++x) {
- chroma_buffer[dst + x] = chroma_src[src + x];
- }
- }
- break;
- }
- default:
- UNREACHABLE();
- break;
}
- gpu.MemoryManager().WriteBlock(output_surface_chroma_address, chroma_buffer.data(),
- chroma_buffer.size());
break;
}
default:
- UNIMPLEMENTED_MSG("Unknown video pixel format {}", config.pixel_format.Value());
+ UNREACHABLE();
break;
}
+ gpu.MemoryManager().WriteBlock(output_surface_chroma_address, chroma_buffer.data(),
+ chroma_buffer.size());
}
} // namespace Tegra