mirror of
https://github.com/mpv-player/mpv
synced 2024-12-14 19:05:33 +00:00
6e9cbdc104
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@29305 b3059339-0415-0410-9bf9-f77b7e298cf2
66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
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#include "config.h"
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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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#if HAVE_MALLOC_H
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#include <malloc.h>
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#endif
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#include "libmpcodecs/img_format.h"
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#include "libmpcodecs/mp_image.h"
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#include "libvo/fastmemcpy.h"
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mp_image_t* alloc_mpi(int w, int h, unsigned long int fmt) {
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mp_image_t* mpi = new_mp_image(w,h);
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mp_image_setfmt(mpi,fmt);
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// IF09 - allocate space for 4. plane delta info - unused
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if (mpi->imgfmt == IMGFMT_IF09)
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{
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mpi->planes[0]=memalign(64, mpi->bpp*mpi->width*(mpi->height+2)/8+
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mpi->chroma_width*mpi->chroma_height);
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/* delta table, just for fun ;) */
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mpi->planes[3]=mpi->planes[0]+2*(mpi->chroma_width*mpi->chroma_height);
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}
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else
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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/YVU9/IF09. 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->chroma_width;
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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->chroma_width*mpi->chroma_height;
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} else {
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// YV12,YVU9,IF09 (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->chroma_width*mpi->chroma_height;
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}
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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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}
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mpi->flags|=MP_IMGFLAG_ALLOCATED;
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return mpi;
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}
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void copy_mpi(mp_image_t *dmpi, mp_image_t *mpi) {
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if(mpi->flags&MP_IMGFLAG_PLANAR){
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memcpy_pic(dmpi->planes[0],mpi->planes[0], mpi->w, mpi->h,
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dmpi->stride[0],mpi->stride[0]);
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memcpy_pic(dmpi->planes[1],mpi->planes[1], mpi->chroma_width, mpi->chroma_height,
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dmpi->stride[1],mpi->stride[1]);
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memcpy_pic(dmpi->planes[2], mpi->planes[2], mpi->chroma_width, mpi->chroma_height,
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dmpi->stride[2],mpi->stride[2]);
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} else {
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memcpy_pic(dmpi->planes[0],mpi->planes[0],
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mpi->w*(dmpi->bpp/8), mpi->h,
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dmpi->stride[0],mpi->stride[0]);
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}
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}
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