mirror of https://github.com/mpv-player/mpv
101 lines
3.0 KiB
C
101 lines
3.0 KiB
C
#ifndef __MP_IMAGE_H
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#define __MP_IMAGE_H 1
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// set if buffer content shouldn't be modified:
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#define MP_IMGFLAG_PRESERVE 0x01
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// set if buffer content will be READED for next frame's MC: (I/P mpeg frames)
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#define MP_IMGFLAG_READABLE 0x02
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// set if buffer is allocated (used in destination images):
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#define MP_IMGFLAG_ALLOCATED 0x04
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// set if it's in video buffer/memory:
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#define MP_IMGFLAG_DIRECT 0x08
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// codec accept any stride (>=width):
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#define MP_IMGFLAG_ACCEPT_STRIDE 0x10
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// codec accept any width (width*bpp=stride) (>=width):
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#define MP_IMGFLAG_ACCEPT_WIDTH 0x20
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// stride should be aligned to 16-byte (MB) boundary:
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#define MP_IMGFLAG_ALIGNED_STRIDE 0x40
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// codec uses drawing/rendering callbacks (draw_slice()-like thing, DR method 2)
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#define MP_IMGFLAG_DRAW_CALLBACK 0x80
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// set if number of planes > 1
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#define MP_IMGFLAG_PLANAR 0x100
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// set if it's YUV colorspace
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#define MP_IMGFLAG_YUV 0x200
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// set if it's swapped plane/byteorder
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#define MP_IMGFLAG_SWAPPED 0x400
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// type displayed (do not set this flag - it's for internal use!)
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#define MP_IMGFLAG_TYPE_DISPLAYED 0x800
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// codec doesn't support any form of direct rendering - it has own buffer
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// allocation. so we just export its buffer pointers:
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#define MP_IMGTYPE_EXPORT 0
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// codec requires a static WO buffer, but it does only partial updates later:
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#define MP_IMGTYPE_STATIC 1
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// codec just needs some WO memory, where it writes/copies the whole frame to:
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#define MP_IMGTYPE_TEMP 2
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// I+P type, requires 2+ independent static R/W buffers
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#define MP_IMGTYPE_IP 3
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// I+P+B type, requires 2+ independent static R/W and 1+ temp WO buffers
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#define MP_IMGTYPE_IPB 4
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typedef struct mp_image_s {
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unsigned short flags;
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unsigned char type;
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unsigned char bpp; // bits/pixel. NOT depth! for RGB it will be n*8
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unsigned int imgfmt;
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int width,height; // stored dimensions
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int x,y,w,h; // visible dimensions
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unsigned char* planes[3];
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unsigned int stride[3];
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int* qscale;
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int qstride;
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} mp_image_t;
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#ifdef IMGFMT_YUY2
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static inline void mp_image_setfmt(mp_image_t* mpi,unsigned int out_fmt){
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mpi->flags&=~(MP_IMGFLAG_PLANAR|MP_IMGFLAG_YUV|MP_IMGFLAG_SWAPPED);
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mpi->imgfmt=out_fmt;
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if( (out_fmt&IMGFMT_RGB_MASK) == IMGFMT_RGB ){
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mpi->bpp=((out_fmt&255)+7)&(~7);
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return;
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}
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if( (out_fmt&IMGFMT_BGR_MASK) == IMGFMT_BGR ){
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mpi->bpp=((out_fmt&255)+7)&(~7);
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mpi->flags|=MP_IMGFLAG_SWAPPED;
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return;
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}
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mpi->flags|=MP_IMGFLAG_YUV;
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switch(out_fmt){
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case IMGFMT_I420:
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case IMGFMT_IYUV:
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mpi->flags|=MP_IMGFLAG_SWAPPED;
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case IMGFMT_YV12:
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mpi->flags|=MP_IMGFLAG_PLANAR;
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mpi->bpp=12;
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return;
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case IMGFMT_UYVY:
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mpi->flags|=MP_IMGFLAG_SWAPPED;
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case IMGFMT_YUY2:
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mpi->bpp=16;
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return;
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case IMGFMT_MPEGPES:
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mpi->bpp=0;
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return;
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}
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printf("mp_image: Unknown out_fmt: 0x%X\n",out_fmt);
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mpi->bpp=0;
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}
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#endif
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static inline mp_image_t* new_mp_image(int w,int h){
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mp_image_t* mpi=malloc(sizeof(mp_image_t));
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if(!mpi) return NULL; // error!
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memset(mpi,0,sizeof(mp_image_t));
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mpi->width=mpi->w=w;
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mpi->height=mpi->h=h;
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return mpi;
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}
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#endif
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