Merge pull request #7138 from ameerj/vic-fmt

vic: Implement RGBX8 video frame format

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_),
@@ -65,27 +85,55 @@ void Vic::Execute() {
     if (!frame) {
         return;
     }
-    const auto pixel_format = static_cast<VideoPixelFormat>(config.pixel_format.Value());
+    const u64 surface_width = config.surface_width_minus1 + 1;
-    switch (pixel_format) {
+    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: {
+    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;
+    }
+}
+
+void Vic::WriteRGBFrame(const AVFrame* frame, const VicConfig& config) {
     LOG_TRACE(Service_NVDRV, "Writing RGB Frame");
 
-        if (scaler_ctx == nullptr || frame->width != scaler_width ||
+    if (!scaler_ctx || frame->width != scaler_width || frame->height != scaler_height) {
-            frame->height != scaler_height) {
+        const AVPixelFormat target_format = [pixel_format = config.pixel_format]() {
-            const AVPixelFormat target_format =
+            switch (pixel_format) {
-                (pixel_format == VideoPixelFormat::RGBA8) ? AV_PIX_FMT_RGBA : AV_PIX_FMT_BGRA;
+            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);
-            scaler_ctx = nullptr;
+        // Frames are decoded into either YUV420 or NV12 formats. Convert to desired RGB format
-
-            // 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);
-
         scaler_width = frame->width;
         scaler_height = frame->height;
+        converted_frame_buffer.reset();
     }
     // Get Converted frame
     const u32 width = static_cast<u32>(frame->width);
@@ -99,17 +147,16 @@ void Vic::Execute() {
     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,
+    sws_scale(scaler_ctx, frame->data, frame->linesize, 0, frame->height, &converted_frame_buf_addr,
-                  &converted_frame_buf_addr, converted_stride.data());
+              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 =
+        const auto size = Texture::CalculateSize(true, 4, width, height, 1, block_height, 0);
-                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(),
+        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);
@@ -118,9 +165,9 @@ void Vic::Execute() {
         gpu.MemoryManager().WriteBlock(output_surface_luma_address, converted_frame_buf_addr,
                                        linear_size);
     }
-        break;
 }
-    case VideoPixelFormat::Yuv420: {
+
+void Vic::WriteYUVFrame(const AVFrame* frame, const VicConfig& config) {
     LOG_TRACE(Service_NVDRV, "Writing YUV420 Frame");
 
     const std::size_t surface_width = config.surface_width_minus1 + 1;
@@ -187,12 +234,6 @@ void Vic::Execute() {
     }
     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());
-        break;
-    }
 }
 
 } // namespace Tegra

src/video_core/command_classes/vic.h

@@ -6,7 +6,6 @@
 
 #include <memory>
 #include <vector>
-#include "common/bit_field.h"
 #include "common/common_types.h"
 
 struct SwsContext;
@@ -14,6 +13,7 @@ struct SwsContext;
 namespace Tegra {
 class GPU;
 class Nvdec;
+union VicConfig;
 
 class Vic {
 public:
@@ -27,6 +27,7 @@ public:
     };
 
     explicit Vic(GPU& gpu, std::shared_ptr<Nvdec> nvdec_processor);
+
     ~Vic();
 
     /// Write to the device state.
@@ -35,22 +36,9 @@ public:
 private:
     void Execute();
 
-    enum class VideoPixelFormat : u64_le {
+    void WriteRGBFrame(const AVFrame* frame, const VicConfig& config);
-        RGBA8 = 0x1f,
-        BGRA8 = 0x20,
-        Yuv420 = 0x44,
-    };
 
-    union VicConfig {
+    void WriteYUVFrame(const AVFrame* frame, const VicConfig& config);
-        u64_le raw{};
-        BitField<0, 7, u64_le> 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;
-    };
 
     GPU& gpu;
     std::shared_ptr<Tegra::Nvdec> nvdec_processor;