kopia lustrzana https://gitlab.com/sane-project/backends
71 wiersze
2.3 KiB
C
71 wiersze
2.3 KiB
C
#define VIDEO_RGB08 1 /* bt848 dithered */
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#define VIDEO_GRAY 2
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#define VIDEO_RGB15_LE 3 /* 15 bpp little endian */
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#define VIDEO_RGB16_LE 4 /* 16 bpp little endian */
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#define VIDEO_RGB15_BE 5 /* 15 bpp big endian */
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#define VIDEO_RGB16_BE 6 /* 16 bpp big endian */
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#define VIDEO_BGR24 7 /* bgrbgrbgrbgr (LE) */
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#define VIDEO_BGR32 8 /* bgr-bgr-bgr- (LE) */
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#define VIDEO_RGB24 9 /* rgbrgbrgbrgb (BE)*/
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#define VIDEO_RGB32 10 /* -rgb-rgb-rgb (BE)*/
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#define VIDEO_LUT2 11 /* lookup-table 2 byte depth */
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#define VIDEO_LUT4 12 /* lookup-table 4 byte depth */
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#define CAN_AUDIO_VOLUME 1
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#define TRAP(txt) fprintf(stderr,"%s:%d:%s\n",__FILE__,__LINE__,txt);exit(1);
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/* ------------------------------------------------------------------------- */
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struct STRTAB {
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long nr;
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char *str;
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};
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struct OVERLAY_CLIP {
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int x1,x2,y1,y2;
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};
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struct GRABBER {
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char *name;
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int flags;
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struct STRTAB *norms;
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struct STRTAB *inputs;
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int (*grab_open)(char *opt);
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int (*grab_close)(void);
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int (*grab_setupfb)(int sw, int sh, int format, void *base, int bpl);
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int (*grab_overlay)(int x, int y, int width, int height, int format,
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struct OVERLAY_CLIP *oc, int count);
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int (*grab_setparams)(int format, int *width, int *height, int *linelength);
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void* (*grab_capture)(int single);
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void (*grab_cleanup)(void);
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int (*grab_tune)(unsigned long freq);
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int (*grab_tuned)(void);
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int (*grab_input)(int input, int norm);
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int (*grab_picture)(int color, int bright, int hue, int contrast);
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int (*grab_audio)(int mute, int volume, int *mode);
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};
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/* ------------------------------------------------------------------------- */
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extern int debug;
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extern int have_dga;
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extern char *device;
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extern int fd_grab;
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extern struct GRABBER *grabber;
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extern unsigned int format2depth[];
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extern unsigned char* format_desc[];
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/* ------------------------------------------------------------------------- */
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int grabber_open(int sw, int sh, void *base, int format, int width);
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int grabber_setparams(int format, int *width, int *height,
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int *linelength, int lut_valid);
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void* grabber_capture(void *dest, int dest_linelength, int single);
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