mirror of
https://github.com/mpv-player/mpv
synced 2024-12-15 03:15:52 +00:00
8ba3f80216
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@5540 b3059339-0415-0410-9bf9-f77b7e298cf2
209 lines
7.0 KiB
C
209 lines
7.0 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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#include "../libvo/img_format.h"
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#include "../mp_image.h"
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#include "vf.h"
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extern vf_info_t vf_info_vo;
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extern vf_info_t vf_info_crop;
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extern vf_info_t vf_info_expand;
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extern vf_info_t vf_info_pp;
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extern vf_info_t vf_info_scale;
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extern vf_info_t vf_info_fame;
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extern vf_info_t vf_info_format;
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extern vf_info_t vf_info_yuy2;
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char** vo_plugin_args=(char**) NULL;
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// list of available filters:
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static vf_info_t* filter_list[]={
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&vf_info_crop,
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&vf_info_expand,
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&vf_info_pp,
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&vf_info_scale,
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// &vf_info_osd,
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&vf_info_vo,
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&vf_info_fame,
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&vf_info_format,
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&vf_info_yuy2,
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NULL
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};
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//============================================================================
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// mpi stuff:
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mp_image_t* vf_get_image(vf_instance_t* vf, unsigned int outfmt, int mp_imgtype, int mp_imgflag, int w, int h){
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mp_image_t* mpi=NULL;
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int w2=w; //(mp_imgflag&MP_IMGFLAG_ACCEPT_STRIDE)?((w+15)&(~15)):w;
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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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if(!vf->imgctx.export_images[0]) vf->imgctx.export_images[0]=new_mp_image(w2,h);
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mpi=vf->imgctx.export_images[0];
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break;
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case MP_IMGTYPE_STATIC:
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if(!vf->imgctx.static_images[0]) vf->imgctx.static_images[0]=new_mp_image(w2,h);
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mpi=vf->imgctx.static_images[0];
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break;
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case MP_IMGTYPE_TEMP:
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if(!vf->imgctx.temp_images[0]) vf->imgctx.temp_images[0]=new_mp_image(w2,h);
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mpi=vf->imgctx.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(!vf->imgctx.temp_images[0]) vf->imgctx.temp_images[0]=new_mp_image(w2,h);
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mpi=vf->imgctx.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(!vf->imgctx.static_images[vf->imgctx.static_idx]) vf->imgctx.static_images[vf->imgctx.static_idx]=new_mp_image(w2,h);
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mpi=vf->imgctx.static_images[vf->imgctx.static_idx];
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vf->imgctx.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|MP_IMGFLAG_DIRECT);
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mpi->flags|=mp_imgflag&(MP_IMGFLAG_PRESERVE|MP_IMGFLAG_READABLE|MP_IMGFLAG_ACCEPT_STRIDE|MP_IMGFLAG_ACCEPT_WIDTH|MP_IMGFLAG_ALIGNED_STRIDE|MP_IMGFLAG_DRAW_CALLBACK);
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if(!vf->draw_slice) mpi->flags&=~MP_IMGFLAG_DRAW_CALLBACK;
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if((mpi->width!=w2 || mpi->height!=h) && !(mpi->flags&MP_IMGFLAG_DIRECT)){
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mpi->width=w2;
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mpi->height=h;
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if(mpi->flags&MP_IMGFLAG_ALLOCATED){
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// need to re-allocate buffer memory:
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free(mpi->planes[0]);
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mpi->flags&=~MP_IMGFLAG_ALLOCATED;
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}
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}
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if(!mpi->bpp) mp_image_setfmt(mpi,outfmt);
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if(!(mpi->flags&MP_IMGFLAG_ALLOCATED) && mpi->type>MP_IMGTYPE_EXPORT){
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// check libvo first!
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if(vf->get_image) vf->get_image(vf,mpi);
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if(!(mpi->flags&MP_IMGFLAG_DIRECT)){
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// non-direct and not yet allocaed image. allocate it!
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mpi->planes[0]=memalign(64, mpi->bpp*mpi->width*(mpi->height+2)/8);
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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[0]) mpi->stride[0]=mpi->width;
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if(!mpi->stride[1]) mpi->stride[1]=mpi->stride[2]=mpi->width/2;
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if(mpi->flags&MP_IMGFLAG_SWAPPED){
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// I420/IYUV (Y,U,V)
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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>>1)*(mpi->height>>1);
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} else {
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// YV12,YVU9 (Y,V,U)
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mpi->planes[2]=mpi->planes[0]+mpi->width*mpi->height;
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mpi->planes[1]=mpi->planes[2]+(mpi->width>>1)*(mpi->height>>1);
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}
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// clear!
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memset(mpi->planes[0],0,mpi->stride[0]*mpi->height);
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memset(mpi->planes[1],128,mpi->stride[1]*(mpi->height>>1));
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memset(mpi->planes[2],128,mpi->stride[2]*(mpi->height>>1));
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} else {
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if(!mpi->stride[0]) mpi->stride[0]=mpi->width*mpi->bpp/8;
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if(mpi->flags&MP_IMGFLAG_YUV){
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int size=mpi->bpp*mpi->width*mpi->height/8/4;
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unsigned int* p=mpi->planes[0];
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int i;
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if(mpi->flags&MP_IMGFLAG_SWAPPED)
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for(i=0;i<size;i+=4) p[i]=p[i+1]=p[i+2]=p[i+3]=0x00800080;
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else
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for(i=0;i<size;i+=4) p[i]=p[i+1]=p[i+2]=p[i+3]=0x80008000;
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} else
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memset(mpi->planes[0],0,mpi->bpp*mpi->width*mpi->height/8);
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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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if(!(mpi->flags&MP_IMGFLAG_TYPE_DISPLAYED)){
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mp_msg(MSGT_DECVIDEO,MSGL_INFO,"*** [%s] %s mp_image_t, %dx%dx%dbpp %s %s, %d bytes\n",
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vf->info->name,
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(mpi->type==MP_IMGTYPE_EXPORT)?"Exporting":
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((mpi->flags&MP_IMGFLAG_DIRECT)?"Direct Rendering":"Allocating"),
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mpi->width,mpi->height,mpi->bpp,
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(mpi->flags&MP_IMGFLAG_YUV)?"YUV":"RGB",
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(mpi->flags&MP_IMGFLAG_PLANAR)?"planar":"packed",
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mpi->bpp*mpi->width*mpi->height/8);
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mpi->flags|=MP_IMGFLAG_TYPE_DISPLAYED;
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}
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}
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return mpi;
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}
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//============================================================================
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vf_instance_t* vf_open_filter(vf_instance_t* next, char *name, char *args){
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vf_instance_t* vf;
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int i;
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for(i=0;;i++){
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if(!filter_list[i]){
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mp_msg(MSGT_VFILTER,MSGL_ERR,"Couldn't find video filter '%s'\n",name);
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return NULL; // no such filter!
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}
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if(!strcmp(filter_list[i]->name,name)) break;
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}
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vf=malloc(sizeof(vf_instance_t));
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memset(vf,0,sizeof(vf_instance_t));
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vf->info=filter_list[i];
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vf->next=next;
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vf->config=vf_next_config;
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vf->control=vf_next_control;
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vf->query_format=vf_next_query_format;
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vf->put_image=vf_next_put_image;
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if(vf->info->open(vf,args)>0) return vf; // Success!
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free(vf);
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mp_msg(MSGT_VFILTER,MSGL_ERR,"Couldn't open video filter '%s'\n",name);
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return NULL;
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}
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//============================================================================
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int vf_next_config(struct vf_instance_s* vf,
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int width, int height, int d_width, int d_height,
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unsigned int flags, unsigned int outfmt){
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return vf->next->config(vf->next,width,height,d_width,d_height,flags,outfmt);
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}
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int vf_next_control(struct vf_instance_s* vf, int request, void* data){
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return vf->next->control(vf->next,request,data);
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}
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int vf_next_query_format(struct vf_instance_s* vf, unsigned int fmt){
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return vf->next->query_format(vf->next,fmt);
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}
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void vf_next_put_image(struct vf_instance_s* vf,mp_image_t *mpi){
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return vf->next->put_image(vf->next,mpi);
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}
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//============================================================================
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vf_instance_t* append_filters(vf_instance_t* last){
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vf_instance_t* vf;
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if(!vo_plugin_args) return last;
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while(*vo_plugin_args){
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char* name=strdup(*vo_plugin_args);
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char* args=strchr(name,'=');
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if(args){args[0]=0;++args;}
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mp_msg(MSGT_VFILTER,MSGL_INFO,"Opening video filter '%s' with args '%s'...\n",name,args);
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vf=vf_open_filter(last,name,args);
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if(vf) last=vf;
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free(name);
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++vo_plugin_args;
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}
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return last;
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}
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//============================================================================
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