Merge pull request #7138 from ameerj/vic-fmt

vic: Implement RGBX8 video frame format

2 files changed, 154 insertions, 125 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
diff --git a/src/video_core/command_classes/vic.h b/src/video_core/command_classes/vic.h
index 74246e08c..6d4cdfd57 100644
--- a/src/video_core/command_classes/vic.h
+++ b/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 {
-        RGBA8 = 0x1f,
-        BGRA8 = 0x20,
-        Yuv420 = 0x44,
-    };
+    void WriteRGBFrame(const AVFrame* frame, const VicConfig& config);
 
-    union VicConfig {
-        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;
-    };
+    void WriteYUVFrame(const AVFrame* frame, const VicConfig& config);
 
     GPU& gpu;
     std::shared_ptr<Tegra::Nvdec> nvdec_processor;