mirror of
https://github.com/mpv-player/mpv
synced 2024-10-26 07:22:17 +02:00
94 lines
2.1 KiB
C
94 lines
2.1 KiB
C
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#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 "../libvo/fastmemcpy.h"
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#include "../postproc/rgb2rgb.h"
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static void mirror(unsigned char* dst,unsigned char* src,int dststride,int srcstride,int w,int h,int bpp){
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int x;
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//
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for(x=0;x<h;x++){
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int y;
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switch(bpp){
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case 1:
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for(y=0;y<w;y++) dst[y]=src[w-y-1+x*srcstride];
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break;
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case 2:
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for(y=0;y<w;y++) *((short*)(dst+y*2))=*((short*)(src+w-y*2-1+x*srcstride));
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break;
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case 3:
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for(y=0;y<w;y++){
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dst[y*3+0]=src[0+w-y*3-1+x*srcstride];
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dst[y*3+1]=src[1+w-y*3-1+x*srcstride];
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dst[y*3+2]=src[2+w-y*3-1+x*srcstride];
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}
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break;
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case 4:
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for(y=0;y<w;y++) *((int*)(dst+y*4))=*((int*)(src+w-y*4-1+x*srcstride));
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}
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dst+=dststride;
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}
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//
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}
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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,mpi->imgfmt,
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MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
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mpi->w, mpi->h);
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//mpi->h, mpi->w);
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if(mpi->flags&MP_IMGFLAG_PLANAR){
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mirror(dmpi->planes[0],mpi->planes[0],
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dmpi->stride[0],mpi->stride[0],
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dmpi->w,dmpi->h,1);
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mirror(dmpi->planes[1],mpi->planes[1],
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dmpi->stride[1],mpi->stride[1],
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dmpi->w>>1,dmpi->h>>1,1);
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mirror(dmpi->planes[2],mpi->planes[2],
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dmpi->stride[2],mpi->stride[2],
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dmpi->w>>1,dmpi->h>>1,1);
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} else {
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mirror(dmpi->planes[0],mpi->planes[0],
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dmpi->stride[0],mpi->stride[0],
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dmpi->w,dmpi->h,dmpi->bpp>>3);
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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 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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return 1;
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}
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vf_info_t vf_info_mirror = {
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"mirror",
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"mirror",
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"Eyck",
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"",
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open
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};
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//===========================================================================//
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