mirror of
https://github.com/mpv-player/mpv
synced 2024-12-11 17:37:23 +00:00
db85806a9c
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@26179 b3059339-0415-0410-9bf9-f77b7e298cf2
236 lines
7.0 KiB
C
236 lines
7.0 KiB
C
#ifndef MPLAYER_MP_IMAGE_H
|
|
#define MPLAYER_MP_IMAGE_H
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
//--------- codec's requirements (filled by the codec/vf) ---------
|
|
|
|
//--- buffer content restrictions:
|
|
// set if buffer content shouldn't be modified:
|
|
#define MP_IMGFLAG_PRESERVE 0x01
|
|
// set if buffer content will be READ for next frame's MC: (I/P mpeg frames)
|
|
#define MP_IMGFLAG_READABLE 0x02
|
|
|
|
//--- buffer width/stride/plane restrictions: (used for direct rendering)
|
|
// stride _have_to_ be aligned to MB boundary: [for DR restrictions]
|
|
#define MP_IMGFLAG_ACCEPT_ALIGNED_STRIDE 0x4
|
|
// stride should be aligned to MB boundary: [for buffer allocation]
|
|
#define MP_IMGFLAG_PREFER_ALIGNED_STRIDE 0x8
|
|
// codec accept any stride (>=width):
|
|
#define MP_IMGFLAG_ACCEPT_STRIDE 0x10
|
|
// codec accept any width (width*bpp=stride -> stride%bpp==0) (>=width):
|
|
#define MP_IMGFLAG_ACCEPT_WIDTH 0x20
|
|
//--- for planar formats only:
|
|
// uses only stride[0], and stride[1]=stride[2]=stride[0]>>mpi->chroma_x_shift
|
|
#define MP_IMGFLAG_COMMON_STRIDE 0x40
|
|
// uses only planes[0], and calculates planes[1,2] from width,height,imgfmt
|
|
#define MP_IMGFLAG_COMMON_PLANE 0x80
|
|
|
|
#define MP_IMGFLAGMASK_RESTRICTIONS 0xFF
|
|
|
|
//--------- color info (filled by mp_image_setfmt() ) -----------
|
|
// set if number of planes > 1
|
|
#define MP_IMGFLAG_PLANAR 0x100
|
|
// set if it's YUV colorspace
|
|
#define MP_IMGFLAG_YUV 0x200
|
|
// set if it's swapped (BGR or YVU) plane/byteorder
|
|
#define MP_IMGFLAG_SWAPPED 0x400
|
|
// using palette for RGB data
|
|
#define MP_IMGFLAG_RGB_PALETTE 0x800
|
|
|
|
#define MP_IMGFLAGMASK_COLORS 0xF00
|
|
|
|
// codec uses drawing/rendering callbacks (draw_slice()-like thing, DR method 2)
|
|
// [the codec will set this flag if it supports callbacks, and the vo _may_
|
|
// clear it in get_image() if draw_slice() not implemented]
|
|
#define MP_IMGFLAG_DRAW_CALLBACK 0x1000
|
|
// set if it's in video buffer/memory: [set by vo/vf's get_image() !!!]
|
|
#define MP_IMGFLAG_DIRECT 0x2000
|
|
// set if buffer is allocated (used in destination images):
|
|
#define MP_IMGFLAG_ALLOCATED 0x4000
|
|
|
|
// buffer type was printed (do NOT set this flag - it's for INTERNAL USE!!!)
|
|
#define MP_IMGFLAG_TYPE_DISPLAYED 0x8000
|
|
|
|
// codec doesn't support any form of direct rendering - it has own buffer
|
|
// allocation. so we just export its buffer pointers:
|
|
#define MP_IMGTYPE_EXPORT 0
|
|
// codec requires a static WO buffer, but it does only partial updates later:
|
|
#define MP_IMGTYPE_STATIC 1
|
|
// codec just needs some WO memory, where it writes/copies the whole frame to:
|
|
#define MP_IMGTYPE_TEMP 2
|
|
// I+P type, requires 2+ independent static R/W buffers
|
|
#define MP_IMGTYPE_IP 3
|
|
// I+P+B type, requires 2+ independent static R/W and 1+ temp WO buffers
|
|
#define MP_IMGTYPE_IPB 4
|
|
|
|
#define MP_MAX_PLANES 4
|
|
|
|
#define MP_IMGFIELD_ORDERED 0x01
|
|
#define MP_IMGFIELD_TOP_FIRST 0x02
|
|
#define MP_IMGFIELD_REPEAT_FIRST 0x04
|
|
#define MP_IMGFIELD_TOP 0x08
|
|
#define MP_IMGFIELD_BOTTOM 0x10
|
|
#define MP_IMGFIELD_INTERLACED 0x20
|
|
|
|
typedef struct mp_image_s {
|
|
unsigned short flags;
|
|
unsigned char type;
|
|
unsigned char bpp; // bits/pixel. NOT depth! for RGB it will be n*8
|
|
unsigned int imgfmt;
|
|
int width,height; // stored dimensions
|
|
int x,y,w,h; // visible dimensions
|
|
unsigned char* planes[MP_MAX_PLANES];
|
|
int stride[MP_MAX_PLANES];
|
|
char * qscale;
|
|
int qstride;
|
|
int pict_type; // 0->unknown, 1->I, 2->P, 3->B
|
|
int fields;
|
|
int qscale_type; // 0->mpeg1/4/h263, 1->mpeg2
|
|
int num_planes;
|
|
/* these are only used by planar formats Y,U(Cb),V(Cr) */
|
|
int chroma_width;
|
|
int chroma_height;
|
|
int chroma_x_shift; // horizontal
|
|
int chroma_y_shift; // vertical
|
|
/* for private use by filter or vo driver (to store buffer id or dmpi) */
|
|
void* priv;
|
|
} 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->imgfmt=out_fmt;
|
|
if(out_fmt == IMGFMT_MPEGPES){
|
|
mpi->bpp=0;
|
|
return;
|
|
}
|
|
if(out_fmt == IMGFMT_ZRMJPEGNI ||
|
|
out_fmt == IMGFMT_ZRMJPEGIT ||
|
|
out_fmt == IMGFMT_ZRMJPEGIB){
|
|
mpi->bpp=0;
|
|
return;
|
|
}
|
|
if(IMGFMT_IS_XVMC(out_fmt)){
|
|
mpi->bpp=0;
|
|
return;
|
|
}
|
|
mpi->num_planes=1;
|
|
if (IMGFMT_IS_RGB(out_fmt)) {
|
|
if (IMGFMT_RGB_DEPTH(out_fmt) < 8 && !(out_fmt&128))
|
|
mpi->bpp = IMGFMT_RGB_DEPTH(out_fmt);
|
|
else
|
|
mpi->bpp=(IMGFMT_RGB_DEPTH(out_fmt)+7)&(~7);
|
|
return;
|
|
}
|
|
if (IMGFMT_IS_BGR(out_fmt)) {
|
|
if (IMGFMT_BGR_DEPTH(out_fmt) < 8 && !(out_fmt&128))
|
|
mpi->bpp = IMGFMT_BGR_DEPTH(out_fmt);
|
|
else
|
|
mpi->bpp=(IMGFMT_BGR_DEPTH(out_fmt)+7)&(~7);
|
|
mpi->flags|=MP_IMGFLAG_SWAPPED;
|
|
return;
|
|
}
|
|
mpi->flags|=MP_IMGFLAG_YUV;
|
|
mpi->num_planes=3;
|
|
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;
|
|
mpi->chroma_width=(mpi->width>>1);
|
|
mpi->chroma_height=(mpi->height>>1);
|
|
mpi->chroma_x_shift=1;
|
|
mpi->chroma_y_shift=1;
|
|
return;
|
|
case IMGFMT_IF09:
|
|
mpi->num_planes=4;
|
|
case IMGFMT_YVU9:
|
|
mpi->flags|=MP_IMGFLAG_PLANAR;
|
|
mpi->bpp=9;
|
|
mpi->chroma_width=(mpi->width>>2);
|
|
mpi->chroma_height=(mpi->height>>2);
|
|
mpi->chroma_x_shift=2;
|
|
mpi->chroma_y_shift=2;
|
|
return;
|
|
case IMGFMT_444P:
|
|
mpi->flags|=MP_IMGFLAG_PLANAR;
|
|
mpi->bpp=24;
|
|
mpi->chroma_width=(mpi->width);
|
|
mpi->chroma_height=(mpi->height);
|
|
mpi->chroma_x_shift=0;
|
|
mpi->chroma_y_shift=0;
|
|
return;
|
|
case IMGFMT_422P:
|
|
mpi->flags|=MP_IMGFLAG_PLANAR;
|
|
mpi->bpp=16;
|
|
mpi->chroma_width=(mpi->width>>1);
|
|
mpi->chroma_height=(mpi->height);
|
|
mpi->chroma_x_shift=1;
|
|
mpi->chroma_y_shift=0;
|
|
return;
|
|
case IMGFMT_411P:
|
|
mpi->flags|=MP_IMGFLAG_PLANAR;
|
|
mpi->bpp=12;
|
|
mpi->chroma_width=(mpi->width>>2);
|
|
mpi->chroma_height=(mpi->height);
|
|
mpi->chroma_x_shift=2;
|
|
mpi->chroma_y_shift=0;
|
|
return;
|
|
case IMGFMT_Y800:
|
|
case IMGFMT_Y8:
|
|
/* they're planar ones, but for easier handling use them as packed */
|
|
// mpi->flags|=MP_IMGFLAG_PLANAR;
|
|
mpi->bpp=8;
|
|
mpi->num_planes=1;
|
|
return;
|
|
case IMGFMT_UYVY:
|
|
mpi->flags|=MP_IMGFLAG_SWAPPED;
|
|
case IMGFMT_YUY2:
|
|
mpi->bpp=16;
|
|
mpi->num_planes=1;
|
|
return;
|
|
case IMGFMT_NV12:
|
|
mpi->flags|=MP_IMGFLAG_SWAPPED;
|
|
case IMGFMT_NV21:
|
|
mpi->flags|=MP_IMGFLAG_PLANAR;
|
|
mpi->bpp=12;
|
|
mpi->num_planes=2;
|
|
mpi->chroma_width=(mpi->width>>0);
|
|
mpi->chroma_height=(mpi->height>>1);
|
|
mpi->chroma_x_shift=0;
|
|
mpi->chroma_y_shift=1;
|
|
return;
|
|
}
|
|
fprintf(stderr,"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=(mp_image_t*)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;
|
|
}
|
|
|
|
static inline void free_mp_image(mp_image_t* mpi){
|
|
if(!mpi) return;
|
|
if(mpi->flags&MP_IMGFLAG_ALLOCATED){
|
|
/* becouse we allocate the whole image in once */
|
|
if(mpi->planes[0]) free(mpi->planes[0]);
|
|
}
|
|
free(mpi);
|
|
}
|
|
|
|
mp_image_t* alloc_mpi(int w, int h, unsigned long int fmt);
|
|
void copy_mpi(mp_image_t *dmpi, mp_image_t *mpi);
|
|
|
|
#endif /* MPLAYER_MP_IMAGE_H */
|