Separate FFmpeg decoder from the Session class (#4)

2026-06-18 06:30:55 +00:00 · 2018-07-17 20:00:16 -07:00
parent ec68f2ae89
commit a89cadc520
12 changed files with 276 additions and 166 deletions
@@ -0,0 +1,41 @@
+#pragma once
+
+#include "decoder.h"
+#include "ffmpeg-renderers/renderer.h"
+
+extern "C" {
+#include <libavcodec/avcodec.h>
+}
+
+class FFmpegVideoDecoder : public IVideoDecoder {
+public:
+    FFmpegVideoDecoder();
+    virtual ~FFmpegVideoDecoder();
+    virtual bool initialize(StreamingPreferences::VideoDecoderSelection vds,
+                            SDL_Window* window,
+                            int videoFormat,
+                            int width,
+                            int height,
+                            int frameRate) override;
+    virtual bool isHardwareAccelerated() override;
+    virtual int submitDecodeUnit(PDECODE_UNIT du) override;
+    virtual void renderFrame(SDL_UserEvent* event) override;
+    virtual void dropFrame(SDL_UserEvent* event) override;
+
+private:
+    bool
+    chooseDecoder(
+        StreamingPreferences::VideoDecoderSelection vds,
+        SDL_Window* window,
+        int videoFormat,
+        int width, int height,
+        AVCodec*& chosenDecoder,
+        const AVCodecHWConfig*& chosenHwConfig,
+        IFFmpegRenderer*& newRenderer);
+
+    AVPacket m_Pkt;
+    AVCodecContext* m_VideoDecoderCtx;
+    QByteArray m_DecodeBuffer;
+    const AVCodecHWConfig* m_HwDecodeCfg;
+    IFFmpegRenderer* m_Renderer;
+};