mirror of https://github.com/mpv-player/mpv
99 lines
2.8 KiB
C
99 lines
2.8 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "config.h"
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#include "mp_msg.h"
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#ifdef HAVE_MALLOC_H
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#include <malloc.h>
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#endif
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#include "codec-cfg.h"
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//#include "mp_image.h"
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#include "../libvo/img_format.h"
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#include "stream.h"
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#include "demuxer.h"
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#include "stheader.h"
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#include "vd.h"
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//#include "vd_internal.h"
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extern vd_functions_t mpcodecs_vd_null;
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extern vd_functions_t mpcodecs_vd_cinepak;
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vd_functions_t* mpcodecs_vd_drivers[] = {
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&mpcodecs_vd_null,
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&mpcodecs_vd_cinepak,
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NULL
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};
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int mpcodecs_config_vo(sh_video_t *sh, int w, int h, unsigned int preferred_outfmt){
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return 1;
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}
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static mp_image_t* static_images[2];
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static mp_image_t* temp_images[1];
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static int static_idx=0;
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// mp_imgtype: buffering type, see mp_image.h
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// mp_imgflag: buffer requirements (read/write, preserve, stride limits), see mp_image.h
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// returns NULL or allocated mp_image_t*
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// Note: buffer allocation may be moved to mpcodecs_config_vo() later...
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mp_image_t* mpcodecs_get_image(sh_video_t *sh, int mp_imgtype, int mp_imgflag, int w, int h){
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mp_image_t* mpi=NULL;
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// Note: we should call libvo first to check if it supports direct rendering
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// and if not, then fallback to software buffers:
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switch(mp_imgtype){
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case MP_IMGTYPE_EXPORT:
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mpi=new_mp_image(w,h);
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break;
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case MP_IMGTYPE_STATIC:
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if(!static_images[0]) static_images[0]=new_mp_image(w,h);
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mpi=static_images[0];
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break;
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case MP_IMGTYPE_TEMP:
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if(!temp_images[0]) temp_images[0]=new_mp_image(w,h);
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mpi=temp_images[0];
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break;
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case MP_IMGTYPE_IPB:
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if(!(mp_imgflag&MP_IMGFLAG_READABLE)){ // B frame:
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if(!temp_images[0]) temp_images[0]=new_mp_image(w,h);
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mpi=temp_images[0];
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break;
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}
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case MP_IMGTYPE_IP:
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if(!static_images[static_idx]) static_images[static_idx]=new_mp_image(w,h);
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mpi=static_images[static_idx];
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static_idx^=1;
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break;
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}
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if(mpi){
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mpi->type=mp_imgtype;
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mpi->flags&=~(MP_IMGFLAG_PRESERVE|MP_IMGFLAG_READABLE);
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mpi->flags|=mp_imgflag&(MP_IMGFLAG_PRESERVE|MP_IMGFLAG_READABLE);
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if(!mpi->bpp){
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mp_image_setfmt(mpi,sh->codec->outfmt[sh->outfmtidx]);
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if(!(mpi->flags&(MP_IMGFLAG_ALLOCATED|MP_IMGFLAG_DIRECT))
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&& mpi->type>MP_IMGTYPE_EXPORT){
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// non-direct and not yet allocaed image. allocate it!
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printf("*** Allocating mp_image_t, %d bytes\n",mpi->bpp*mpi->width*mpi->height/8);
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mpi->planes[0]=memalign(64, mpi->bpp*mpi->width*mpi->height/8);
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if(!mpi->stride[0]) mpi->stride[0]=mpi->width;
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if(mpi->flags&MP_IMGFLAG_PLANAR){
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// YV12/I420. feel free to add other planar formats here...
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if(!mpi->stride[1]) mpi->stride[1]=mpi->stride[2]=mpi->width/2;
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mpi->planes[1]=mpi->planes[0]+mpi->width*mpi->height;
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mpi->planes[2]=mpi->planes[1]+mpi->width*mpi->height/4;
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}
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mpi->flags|=MP_IMGFLAG_ALLOCATED;
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}
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}
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}
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return mpi;
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}
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