Merge pull request #4729 from ameerj/nvdec-prod

video_core: NVDEC Implementation

1 files changed, 39 insertions, 0 deletions

diff --git a/src/video_core/command_classes/nvdec.h b/src/video_core/command_classes/nvdec.h
new file mode 100644
index 000000000..c1a9d843e
--- /dev/null
+++ b/src/video_core/command_classes/nvdec.h
@@ -0,0 +1,39 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <vector>
+#include "common/common_funcs.h"
+#include "common/common_types.h"
+#include "video_core/command_classes/codecs/codec.h"
+
+namespace Tegra {
+class GPU;
+
+class Nvdec {
+public:
+    enum class Method : u32 {
+        SetVideoCodec = 0x80,
+        Execute = 0xc0,
+    };
+
+    explicit Nvdec(GPU& gpu);
+    ~Nvdec();
+
+    /// Writes the method into the state, Invoke Execute() if encountered
+    void ProcessMethod(Nvdec::Method method, const std::vector<u32>& arguments);
+
+    /// Return most recently decoded frame
+    AVFrame* GetFrame();
+    const AVFrame* GetFrame() const;
+
+private:
+    /// Invoke codec to decode a frame
+    void Execute();
+
+    GPU& gpu;
+    std::unique_ptr<Tegra::Codec> codec;
+};
+} // namespace Tegra