template project, first version

2017-10-11 15:01:05 +02:00
commit 8e902224cf
794 changed files with 326190 additions and 0 deletions
--- a/Simulations/util/FFmpeg.h
+++ b/Simulations/util/FFmpeg.h
@@ -0,0 +1,67 @@
+#ifndef __FFmpeg_h__
+#define __FFmpeg_h__
+
+#include <stdio.h>
+#include <cstdint>
+#include <vector>
+#include <Windows.h>
+
+struct ID3D11Device;
+struct ID3D11DeviceContext;
+struct ID3D11RenderTargetView;
+struct ID3D11Texture2D;
+
+// Simple FFmpeg-based video recorder (http://www.ffmpeg.org) for directly
+// writing out h264 encoded videos.
+// Only works if "ffmpeg.exe" can be found (e.g. in system path), 
+// else all calls will return immediately and this class won't do anything.
+// FFmpeg windows binaries can be downloaded here: http://ffmpeg.zeranoe.com/builds/
+class FFmpeg
+{
+public:
+    // FFmpeg Recording mode
+    enum MODE
+    {
+        MODE_FRAME_COPY,  // Every added frame is copied to a single video frame
+        MODE_DUPLICATE,   // Realtime recording:   duplicate and skip added frames as necessary (faster than MODE_INTERPOLATE)
+        MODE_INTERPOLATE, // Realtime recording: interpolate and skip added frames as necessary
+    };
+
+    // Create FFmpeg video recorder
+    // fps: fps of output video
+    // crf: constant rate factor
+    //      The range of the quantizer scale is 0-51: where 0 is lossless, 23 is codec default,
+    //      and 51 is worst possible. A lower value is a higher quality and a subjectively
+    //      sane range is 18-28. Consider 18 to be visually lossless or nearly so.
+    // mode: recording mode
+    FFmpeg(int fps = 24, int crf = 21, MODE mode = MODE_FRAME_COPY);
+    ~FFmpeg();
+
+    // Start recording to 'filename' by spawning a ffmpeg subprocess.
+    // Render target view needed to query information about render target (like e.g. resolution).
+    HRESULT StartRecording(ID3D11Device* pd3dDevice, ID3D11RenderTargetView* pRenderTargetView, char* filename);
+
+    // Add frame from given render target view
+    HRESULT AddFrame(ID3D11DeviceContext* pd3dContext, ID3D11RenderTargetView* pRenderTargetView);
+    
+    // Stop recording and stop ffmpeg subprocess
+    void StopRecording();
+
+private:
+    FILE*                m_pFILE;
+    ID3D11Texture2D*     m_pStaging;
+    std::vector<uint8_t> m_buffer[3];
+    LARGE_INTEGER        m_timestamp[2];
+    LARGE_INTEGER        m_frequency;
+    LARGE_INTEGER        m_startTime;
+    int                  m_width;
+    int                  m_height;
+    MODE                 m_mode;
+    int                  m_fps;
+    int                  m_crf;
+    int                  m_frame;
+
+    static bool ms_bFFmpegInstalled;
+};
+
+#endif