diff -r ffa851df0825 -r 2fb8b9db1c86 symbian-qemu-0.9.1-12/python-2.6.1/Modules/yuv.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/symbian-qemu-0.9.1-12/python-2.6.1/Modules/yuv.h Fri Jul 31 15:01:17 2009 +0100 @@ -0,0 +1,99 @@ + +#ifndef Py_YUV_H +#define Py_YUV_H +#ifdef __cplusplus +extern "C" { +#endif + +/* + * SVideo YUV 4:1:1 format. + * + * 4 consecutive quadwords describe 8 pixels on 2 lines, as depicted + * below. An array of (width/4) of the below structure describes 2 + * scan lines. + * + * +-------------------+ + * | 00 | 01 | 02 | 03 | . . . + * +-------------------+ + * | 10 | 11 | 12 | 13 | . . . + * +-------------------+ + */ +struct yuv411 { + struct { + unsigned int dummy:8; + unsigned int y0:8; + unsigned int u0:2; + unsigned int v0:2; + unsigned int y1:8; + unsigned int u1:2; + unsigned int v1:2; + } v[4]; +}; + +#define YUV411_Y00(y) (y).v[0].y0 +#define YUV411_Y01(y) (y).v[1].y0 +#define YUV411_Y02(y) (y).v[2].y0 +#define YUV411_Y03(y) (y).v[3].y0 +#define YUV411_Y10(y) (y).v[0].y1 +#define YUV411_Y11(y) (y).v[1].y1 +#define YUV411_Y12(y) (y).v[2].y1 +#define YUV411_Y13(y) (y).v[3].y1 +#define YUV411_U00(y) ((y).v[0].u0<<6|(y).v[1].u0<<4|(y).v[2].u0<<2|(y).v[3].u0) +#define YUV411_U01(y) YUV411_U00(y) +#define YUV411_U02(y) YUV411_U00(y) +#define YUV411_U03(y) YUV411_U00(y) +#define YUV411_U10(y) ((y).v[0].u1<<6|(y).v[1].u1<<4|(y).v[2].u1<<2|(y).v[3].u1) +#define YUV411_U11(y) YUV411_U10(y) +#define YUV411_U12(y) YUV411_U10(y) +#define YUV411_U13(y) YUV411_U10(y) +#define YUV411_V00(y) ((y).v[0].v0<<6|(y).v[1].v0<<4|(y).v[2].v0<<2|(y).v[3].v0) +#define YUV411_V01(y) YUV411_V00(y) +#define YUV411_V02(y) YUV411_V00(y) +#define YUV411_V03(y) YUV411_V00(y) +#define YUV411_V10(y) ((y).v[0].v1<<6|(y).v[1].v1<<4|(y).v[2].v1<<2|(y).v[3].v1) +#define YUV411_V11(y) YUV411_V10(y) +#define YUV411_V12(y) YUV411_V10(y) +#define YUV411_V13(y) YUV411_V10(y) + +/* + * Compression Library YUV 4:2:2 format. + * + * 1 longword describes 2 pixels. + * + * +-------+ + * | 0 | 1 | + * +-------+ + */ +struct yuv422 { + unsigned int u:8; + unsigned int y0:8; + unsigned int v:8; + unsigned int y1:8; +}; +#define YUV422_Y0(y) (y).y0 +#define YUV422_Y1(y) (y).y1 +#define YUV422_U0(y) (y).u +#define YUV422_U1(y) (y).u +#define YUV422_V0(y) (y).v +#define YUV422_V1(y) (y).v + +/* + * Compression library YUV 4:2:2 Duplicate Chroma format. + * + * This is like the previous format, but the U and V values are + * duplicated vertically (and hence there is some redundancy in the + * data). With other words, lines 2*n and 2*n+1 have the same U and V + * values but different Y values. + */ + +/* + * Conversion functions. + */ +void yuv_sv411_to_cl422dc(int, void *, void *, int, int); +void yuv_sv411_to_cl422dc_quartersize(int, void *, void *, int, int); +void yuv_sv411_to_cl422dc_sixteenthsize(int, void *, void *, int, int); + +#ifdef __cplusplus +} +#endif +#endif /* !Py_YUV_H */