mirror of https://github.com/mpv-player/mpv
88 lines
2.2 KiB
C
88 lines
2.2 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 "help_mp.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 "libvo/fastmemcpy.h"
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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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if(vf_next_query_format(vf,IMGFMT_YV12)<=0){
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mp_msg(MSGT_VFILTER, MSGL_WARN, MSGTR_MPCODECS_WarnNextFilterDoesntSupport, "YVU9");
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return 0;
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}
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return vf_next_config(vf,width,height,d_width,d_height,flags,IMGFMT_YV12);
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}
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static int put_image(struct vf_instance_s* vf, mp_image_t *mpi, double pts){
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mp_image_t *dmpi;
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int y,w,h;
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// hope we'll get DR buffer:
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dmpi=vf_get_image(vf->next,IMGFMT_YV12,
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MP_IMGTYPE_TEMP, 0/*MP_IMGFLAG_ACCEPT_STRIDE*/,
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mpi->w, mpi->h);
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for(y=0;y<mpi->h;y++)
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fast_memcpy(dmpi->planes[0]+dmpi->stride[0]*y,
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mpi->planes[0]+mpi->stride[0]*y,
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mpi->w);
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w=mpi->w/4; h=mpi->h/2;
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for(y=0;y<h;y++){
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unsigned char* s=mpi->planes[1]+mpi->stride[1]*(y>>1);
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unsigned char* d=dmpi->planes[1]+dmpi->stride[1]*y;
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int x;
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for(x=0;x<w;x++) d[2*x]=d[2*x+1]=s[x];
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}
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for(y=0;y<h;y++){
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unsigned char* s=mpi->planes[2]+mpi->stride[2]*(y>>1);
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unsigned char* d=dmpi->planes[2]+dmpi->stride[2]*y;
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int x;
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for(x=0;x<w;x++) d[2*x]=d[2*x+1]=s[x];
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}
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vf_clone_mpi_attributes(dmpi, mpi);
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return vf_next_put_image(vf,dmpi, pts);
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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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if (fmt == IMGFMT_YVU9 || fmt == IMGFMT_IF09)
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return vf_next_query_format(vf,IMGFMT_YV12) & (~VFCAP_CSP_SUPPORTED_BY_HW);
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return 0;
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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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return 1;
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}
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const vf_info_t vf_info_yvu9 = {
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"fast YVU9->YV12 conversion",
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"yvu9",
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"alex",
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"",
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open,
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NULL
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};
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//===========================================================================//
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