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initial stuff. comments welcomed... 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4186 b3059339-0415-0410-9bf9-f77b7e298cf2
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arpi 2002-01-16 00:14:59 +00:00
parent 163a00b4a1
commit 358a7092d6
1 changed files with 68 additions and 0 deletions
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mp_image.h Normal file
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// set if it's internal buffer of the codec, and shouldn't be modified:
#define MP_IMGFLAG_READONLY 0x01
// set if buffer is allocated (used in destination images):
#define MP_IMGFLAG_ALLOCATED 0x02
// set if it's in video buffer/memory:
#define MP_IMGFLAG_DIRECT 0x04
// set if number of planes > 1
#define MP_IMGFLAG_PLANAR 0x10
// set if it's YUV colorspace
#define MP_IMGFLAG_YUV 0x20
// set if it's swapped plane/byteorder
#define MP_IMGFLAG_SWAPPED 0x40
typedef struct mp_image_s {
unsigned short flags;
unsigned short bpp;
unsigned int imgfmt;
int width,height; // stored dimensions
int x,y,w,h; // visible dimensions
unsigned char* planes[3];
unsigned int stride[3];
int* qscale;
int qstride;
} mp_image_t;
#ifdef IMGFMT_YUY2
static inline void mp_image_setfmt(mp_image_t* mpi,unsigned int out_fmt){
mpi->flags&=~(MP_IMGFLAG_PLANAR|MP_IMGFLAG_YUV|MP_IMGFLAG_SWAPPED);
mpi->out_fmt=out_fmt;
if( (out_fmt&IMGFMT_RGB_MASK) == IMGFMT_RGB ){
mpi->bpp=out_fmt&255;
return;
}
if( (out_fmt&IMGFMT_BGR_MASK) == IMGFMT_BGR ){
mpi->bpp=out_fmt&255;
mpi->flags|=MP_IMGFLAG_SWAPPED;
return;
}
mpi->flags|=MP_IMGFLAG_YUV;
switch(out_fmt){
case IMGFMT_I420:
case IMGFMT_IYUV:
mpi->flags|=MP_IMGFLAG_SWAPPED;
case IMGFMT_YV12:
mpi->flags|=MP_IMGFLAG_PLANAR;
mpi->bpp=12;
return;
case IMGFMT_UYVY:
mpi->flags|=MP_IMGFLAG_SWAPPED;
case IMGFMT_YUY2:
mpi->bpp=16;
return;
}
printf("mp_image: Unknown out_fmt: 0x%X\n",out_fmt);
mpi->bpp=0;
}
#endif
static inline mp_image_t* new_mp_image(int w,int h){
mp_image_t* mpi=malloc(sizeof(mp_image_t));
if(!mpi) return NULL; // error!
memset(mpi,0,sizeof(mp_image_t));
mpi->width=mpi->w=w;
mpi->height=mpi->h=h;
return mpi;
}