mirror of https://github.com/mpv-player/mpv
138 lines
3.6 KiB
C
138 lines
3.6 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <inttypes.h>
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#include "../config.h"
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#include "../mp_msg.h"
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#include "img_format.h"
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#include "mp_image.h"
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#include "vf.h"
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#include "../postproc/rgb2rgb.h"
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//===========================================================================//
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static unsigned int bgr_list[]={
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IMGFMT_BGR32,
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IMGFMT_BGR24,
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IMGFMT_BGR16,
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IMGFMT_BGR15,
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NULL
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};
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static unsigned int rgb_list[]={
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IMGFMT_RGB32,
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IMGFMT_RGB24,
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IMGFMT_RGB16,
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IMGFMT_RGB15,
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NULL
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};
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static unsigned int find_best(struct vf_instance_s* vf, unsigned int fmt){
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unsigned int best=0;
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int ret;
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unsigned int* p;
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if(fmt==IMGFMT_BGR8) p=bgr_list;
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else if(fmt==IMGFMT_RGB8) p=rgb_list;
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else return 0;
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while(*p){
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ret=vf->next->query_format(vf->next,*p);
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mp_msg(MSGT_VFILTER,MSGL_V,"[%s] query(%s) -> %d\n",vf->info->name,vo_format_name(*p),ret&3);
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if(ret&2){ best=*p; break;} // no conversion -> bingo!
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if(ret&1 && !best) best=*p; // best with conversion
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++p;
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}
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return best;
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}
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//===========================================================================//
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struct vf_priv_s {
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unsigned int fmt;
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};
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static int 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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vf->priv->fmt=find_best(vf,outfmt);
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if(!vf->priv->fmt){
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// no matching fmt, so force one...
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if(outfmt==IMGFMT_RGB8) vf->priv->fmt=IMGFMT_RGB32;
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else if(outfmt==IMGFMT_BGR8) vf->priv->fmt=IMGFMT_BGR32;
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else return 0;
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}
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return vf_next_config(vf,width,height,d_width,d_height,flags,vf->priv->fmt);
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}
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static void put_image(struct vf_instance_s* vf, mp_image_t *mpi){
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mp_image_t *dmpi;
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// hope we'll get DR buffer:
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dmpi=vf_get_image(vf->next,vf->priv->fmt,
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MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
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mpi->w, mpi->h);
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if(mpi->w==mpi->stride[0] && dmpi->w*(dmpi->bpp>>3)==dmpi->stride[0]){
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// no stride conversion needed
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switch(dmpi->imgfmt&255){
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case 15:
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palette8torgb15(mpi->planes[0],dmpi->planes[0],mpi->h*mpi->w,mpi->planes[1]);
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break;
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case 16:
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palette8torgb16(mpi->planes[0],dmpi->planes[0],mpi->h*mpi->w,mpi->planes[1]);
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break;
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case 24:
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palette8torgb24(mpi->planes[0],dmpi->planes[0],mpi->h*mpi->w,mpi->planes[1]);
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break;
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case 32:
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palette8torgb32(mpi->planes[0],dmpi->planes[0],mpi->h*mpi->w,mpi->planes[1]);
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break;
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}
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} else {
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int y;
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for(y=0;y<mpi->h;y++){
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unsigned char* src=mpi->planes[0]+y*mpi->stride[0];
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unsigned char* dst=dmpi->planes[0]+y*dmpi->stride[0];
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switch(dmpi->imgfmt&255){
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case 15:
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palette8torgb15(src,dst,mpi->w,mpi->planes[1]);break;
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case 16:
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palette8torgb16(src,dst,mpi->w,mpi->planes[1]);break;
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case 24:
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palette8torgb24(src,dst,mpi->w,mpi->planes[1]);break;
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case 32:
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palette8torgb32(src,dst,mpi->w,mpi->planes[1]);break;
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}
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}
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}
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vf_next_put_image(vf,dmpi);
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}
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//===========================================================================//
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static int query_format(struct vf_instance_s* vf, unsigned int fmt){
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int best=find_best(vf,fmt);
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if(!best) return 0; // no match
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return vf->next->query_format(vf->next,best);
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}
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static int open(vf_instance_t *vf, char* args){
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vf->config=config;
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vf->put_image=put_image;
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vf->query_format=query_format;
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vf->priv=malloc(sizeof(struct vf_priv_s));
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return 1;
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}
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vf_info_t vf_info_palette = {
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"8bpp indexed (using palette) -> BGR 15/16/24/32 conversion",
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"palette",
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"A'rpi",
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"",
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open
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};
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//===========================================================================//
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