cap.h

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#ifndef CAP_H
#define CAP_H
 
#ifdef CONFIG_VIDEO_CAPTURE
 
#include "qtypes.h"
#include "qdefs.h"
#include "fs.h"
#include "snd_main.h"
#include "glquake.h"
 
typedef enum capturevideoformat_e
{
    CAPTUREVIDEOFORMAT_AVI_I420,
    CAPTUREVIDEOFORMAT_OGG_VORBIS_THEORA
}
capturevideoformat_t;
 
typedef struct capturevideostate_s
{
    double startrealtime;
    double framerate;
    int framestep;
    int framestepframe;
    qbool active;
    qbool realtime;
    qbool error;
    int soundrate;
    int soundchannels;
    int frame;
    double starttime;
    double lastfpstime;
    int lastfpsframe;
    int soundsampleframe;
    unsigned char *outbuffer;
    char basename[MAX_QPATH];
    int width, height;
 
    // precomputed RGB to YUV tables
    // converts the RGB values to YUV (see cap_avi.c for how to use them)
    short rgbtoyuvscaletable[3][3][256];
    unsigned char yuvnormalizetable[3][256];
 
    // precomputed gamma ramp (only needed if the capturevideo module uses RGB output)
    // note: to map from these values to RGB24, you have to multiply by 255.0/65535.0, then add 0.5, then cast to integer
    unsigned short vidramp[256 * 3];
 
    // stuff to be filled in by the video format module
    capturevideoformat_t format;
    const char *formatextension;
    qfile_t *videofile;
        // always use this:
        //   cls.capturevideo.videofile = FS_OpenRealFile(va(vabuf, sizeof(vabuf), "%s.%s", cls.capturevideo.basename, cls.capturevideo.formatextension), "wb", false);
    void (*writeEndVideo) (void);
    void (*writeVideoFrame) (int num, u8 *in);
    void (*writeSoundFrame) (const portable_sampleframe_t *paintbuffer, size_t length);
 
    // format specific data
    void *formatspecific;
 
    // GL backend
#define PBO_COUNT 3 // bones_was_here: slightly faster than double buffering
    GLuint PBOs[PBO_COUNT];
    GLuint PBOindex;
    GLuint FBO;
    GLuint FBOtex;
}
capturevideostate_t;
#endif
 
#endif