mirror of https://github.com/mpv-player/mpv
107 lines
2.8 KiB
C
107 lines
2.8 KiB
C
/*
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* Copyright (C) 2002 Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of MPlayer.
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*
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* MPlayer is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* MPlayer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with MPlayer; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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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 <assert.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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//===========================================================================//
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static void get_image(struct vf_instance *vf, mp_image_t *mpi){
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mp_image_t *dmpi= vf_get_image(vf->next, mpi->imgfmt,
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mpi->type, mpi->flags, mpi->w, mpi->h);
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mpi->planes[0]=dmpi->planes[0];
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mpi->planes[1]=dmpi->planes[2];
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mpi->planes[2]=dmpi->planes[1];
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mpi->stride[0]=dmpi->stride[0];
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mpi->stride[1]=dmpi->stride[2];
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mpi->stride[2]=dmpi->stride[1];
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mpi->width=dmpi->width;
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mpi->flags|=MP_IMGFLAG_DIRECT;
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mpi->priv=(void*)dmpi;
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}
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static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){
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mp_image_t *dmpi;
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if(mpi->flags&MP_IMGFLAG_DIRECT){
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dmpi=(mp_image_t*)mpi->priv;
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} else {
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dmpi=vf_get_image(vf->next, mpi->imgfmt, MP_IMGTYPE_EXPORT, 0, mpi->w, mpi->h);
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assert(mpi->flags&MP_IMGFLAG_PLANAR);
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dmpi->planes[0]=mpi->planes[0];
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dmpi->planes[1]=mpi->planes[2];
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dmpi->planes[2]=mpi->planes[1];
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dmpi->stride[0]=mpi->stride[0];
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dmpi->stride[1]=mpi->stride[2];
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dmpi->stride[2]=mpi->stride[1];
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dmpi->width=mpi->width;
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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 *vf, unsigned int fmt){
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switch(fmt)
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{
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case IMGFMT_YV12:
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case IMGFMT_I420:
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case IMGFMT_IYUV:
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case IMGFMT_YVU9:
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case IMGFMT_444P:
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case IMGFMT_422P:
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case IMGFMT_411P:
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return vf_next_query_format(vf, fmt);
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}
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return 0;
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}
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static int vf_open(vf_instance_t *vf, char *args){
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vf->put_image=put_image;
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vf->get_image=get_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_swapuv = {
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"UV swapper",
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"swapuv",
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"Michael Niedermayer",
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"",
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vf_open,
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NULL
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};
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//===========================================================================//
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