mirror of https://github.com/mpv-player/mpv
232 lines
6.9 KiB
C
232 lines
6.9 KiB
C
#ifndef MPLAYER_MP_IMAGE_H
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#define MPLAYER_MP_IMAGE_H
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//--------- codec's requirements (filled by the codec/vf) ---------
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//--- buffer content restrictions:
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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 READ for next frame's MC: (I/P mpeg frames)
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#define MP_IMGFLAG_READABLE 0x02
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//--- buffer width/stride/plane restrictions: (used for direct rendering)
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// stride _have_to_ be aligned to MB boundary: [for DR restrictions]
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#define MP_IMGFLAG_ACCEPT_ALIGNED_STRIDE 0x4
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// stride should be aligned to MB boundary: [for buffer allocation]
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#define MP_IMGFLAG_PREFER_ALIGNED_STRIDE 0x8
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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 -> stride%bpp==0) (>=width):
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#define MP_IMGFLAG_ACCEPT_WIDTH 0x20
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//--- for planar formats only:
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// uses only stride[0], and stride[1]=stride[2]=stride[0]>>mpi->chroma_x_shift
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#define MP_IMGFLAG_COMMON_STRIDE 0x40
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// uses only planes[0], and calculates planes[1,2] from width,height,imgfmt
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#define MP_IMGFLAG_COMMON_PLANE 0x80
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#define MP_IMGFLAGMASK_RESTRICTIONS 0xFF
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//--------- color info (filled by mp_image_setfmt() ) -----------
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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 (BGR or YVU) plane/byteorder
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#define MP_IMGFLAG_SWAPPED 0x400
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// using palette for RGB data
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#define MP_IMGFLAG_RGB_PALETTE 0x800
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#define MP_IMGFLAGMASK_COLORS 0xF00
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// codec uses drawing/rendering callbacks (draw_slice()-like thing, DR method 2)
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// [the codec will set this flag if it supports callbacks, and the vo _may_
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// clear it in get_image() if draw_slice() not implemented]
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#define MP_IMGFLAG_DRAW_CALLBACK 0x1000
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// set if it's in video buffer/memory: [set by vo/vf's get_image() !!!]
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#define MP_IMGFLAG_DIRECT 0x2000
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// set if buffer is allocated (used in destination images):
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#define MP_IMGFLAG_ALLOCATED 0x4000
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// buffer type was printed (do NOT set this flag - it's for INTERNAL USE!!!)
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#define MP_IMGFLAG_TYPE_DISPLAYED 0x8000
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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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#define MP_MAX_PLANES 4
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#define MP_IMGFIELD_ORDERED 0x01
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#define MP_IMGFIELD_TOP_FIRST 0x02
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#define MP_IMGFIELD_REPEAT_FIRST 0x04
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#define MP_IMGFIELD_TOP 0x08
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#define MP_IMGFIELD_BOTTOM 0x10
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#define MP_IMGFIELD_INTERLACED 0x20
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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[MP_MAX_PLANES];
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int stride[MP_MAX_PLANES];
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char * qscale;
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int qstride;
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int pict_type; // 0->unknown, 1->I, 2->P, 3->B
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int fields;
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int qscale_type; // 0->mpeg1/4/h263, 1->mpeg2
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int num_planes;
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/* these are only used by planar formats Y,U(Cb),V(Cr) */
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int chroma_width;
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int chroma_height;
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int chroma_x_shift; // horizontal
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int chroma_y_shift; // vertical
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/* for private use by filter or vo driver (to store buffer id or dmpi) */
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void* priv;
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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_MPEGPES){
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mpi->bpp=0;
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return;
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}
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if(out_fmt == IMGFMT_ZRMJPEGNI ||
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out_fmt == IMGFMT_ZRMJPEGIT ||
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out_fmt == IMGFMT_ZRMJPEGIB){
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mpi->bpp=0;
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return;
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}
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if(IMGFMT_IS_XVMC(out_fmt)){
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mpi->bpp=0;
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return;
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}
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mpi->num_planes=1;
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if (IMGFMT_IS_RGB(out_fmt)) {
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if (IMGFMT_RGB_DEPTH(out_fmt) < 8 && !(out_fmt&128))
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mpi->bpp = IMGFMT_RGB_DEPTH(out_fmt);
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else
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mpi->bpp=(IMGFMT_RGB_DEPTH(out_fmt)+7)&(~7);
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return;
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}
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if (IMGFMT_IS_BGR(out_fmt)) {
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if (IMGFMT_BGR_DEPTH(out_fmt) < 8 && !(out_fmt&128))
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mpi->bpp = IMGFMT_BGR_DEPTH(out_fmt);
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else
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mpi->bpp=(IMGFMT_BGR_DEPTH(out_fmt)+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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mpi->num_planes=3;
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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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mpi->chroma_width=(mpi->width>>1);
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mpi->chroma_height=(mpi->height>>1);
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mpi->chroma_x_shift=1;
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mpi->chroma_y_shift=1;
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return;
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case IMGFMT_IF09:
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mpi->num_planes=4;
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case IMGFMT_YVU9:
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mpi->flags|=MP_IMGFLAG_PLANAR;
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mpi->bpp=9;
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mpi->chroma_width=(mpi->width>>2);
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mpi->chroma_height=(mpi->height>>2);
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mpi->chroma_x_shift=2;
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mpi->chroma_y_shift=2;
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return;
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case IMGFMT_444P:
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mpi->flags|=MP_IMGFLAG_PLANAR;
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mpi->bpp=24;
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mpi->chroma_width=(mpi->width);
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mpi->chroma_height=(mpi->height);
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mpi->chroma_x_shift=0;
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mpi->chroma_y_shift=0;
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return;
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case IMGFMT_422P:
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mpi->flags|=MP_IMGFLAG_PLANAR;
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mpi->bpp=16;
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mpi->chroma_width=(mpi->width>>1);
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mpi->chroma_height=(mpi->height);
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mpi->chroma_x_shift=1;
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mpi->chroma_y_shift=0;
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return;
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case IMGFMT_411P:
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mpi->flags|=MP_IMGFLAG_PLANAR;
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mpi->bpp=12;
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mpi->chroma_width=(mpi->width>>2);
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mpi->chroma_height=(mpi->height);
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mpi->chroma_x_shift=2;
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mpi->chroma_y_shift=0;
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return;
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case IMGFMT_Y800:
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case IMGFMT_Y8:
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/* they're planar ones, but for easier handling use them as packed */
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// mpi->flags|=MP_IMGFLAG_PLANAR;
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mpi->bpp=8;
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mpi->num_planes=1;
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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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mpi->num_planes=1;
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return;
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case IMGFMT_NV12:
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mpi->flags|=MP_IMGFLAG_SWAPPED;
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case IMGFMT_NV21:
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mpi->flags|=MP_IMGFLAG_PLANAR;
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mpi->bpp=12;
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mpi->num_planes=2;
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mpi->chroma_width=(mpi->width>>0);
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mpi->chroma_height=(mpi->height>>1);
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mpi->chroma_x_shift=0;
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mpi->chroma_y_shift=1;
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return;
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}
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fprintf(stderr,"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=(mp_image_t*)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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static inline void free_mp_image(mp_image_t* mpi){
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if(!mpi) return;
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if(mpi->flags&MP_IMGFLAG_ALLOCATED){
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/* becouse we allocate the whole image in once */
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if(mpi->planes[0]) free(mpi->planes[0]);
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}
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free(mpi);
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}
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mp_image_t* alloc_mpi(int w, int h, unsigned long int fmt);
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void copy_mpi(mp_image_t *dmpi, mp_image_t *mpi);
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#endif /* MPLAYER_MP_IMAGE_H */
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