mirror of https://github.com/mpv-player/mpv
111 lines
3.5 KiB
C
111 lines
3.5 KiB
C
/*
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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 "config.h"
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#include "mp_msg.h"
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#include "mp_image.h"
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#include "vf.h"
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#include "libvo/video_out.h"
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//===========================================================================//
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static int config(struct vf_instance *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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flags&=~VOFLAG_FLIPPING; // remove the FLIP flag
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return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
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}
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static void get_image(struct vf_instance *vf, mp_image_t *mpi){
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if(mpi->flags&MP_IMGFLAG_ACCEPT_STRIDE){
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// try full DR !
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vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
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mpi->type, mpi->flags, mpi->width, mpi->height);
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// set up mpi as a upside-down image of dmpi:
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mpi->planes[0]=vf->dmpi->planes[0]+
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vf->dmpi->stride[0]*(vf->dmpi->height-1);
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mpi->stride[0]=-vf->dmpi->stride[0];
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if(mpi->flags&MP_IMGFLAG_PLANAR){
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mpi->planes[1]=vf->dmpi->planes[1]+
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vf->dmpi->stride[1]*((vf->dmpi->height>>mpi->chroma_y_shift)-1);
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mpi->stride[1]=-vf->dmpi->stride[1];
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mpi->planes[2]=vf->dmpi->planes[2]+
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vf->dmpi->stride[2]*((vf->dmpi->height>>mpi->chroma_y_shift)-1);
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mpi->stride[2]=-vf->dmpi->stride[2];
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}
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mpi->flags|=MP_IMGFLAG_DIRECT;
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mpi->priv=(void*)vf->dmpi;
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}
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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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if(mpi->flags&MP_IMGFLAG_DIRECT){
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// we've used DR, so we're ready...
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if(!(mpi->flags&MP_IMGFLAG_PLANAR))
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((mp_image_t*)mpi->priv)->planes[1] = mpi->planes[1]; // passthrough rgb8 palette
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return vf_next_put_image(vf,(mp_image_t*)mpi->priv, pts);
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}
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vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
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MP_IMGTYPE_EXPORT, MP_IMGFLAG_ACCEPT_STRIDE,
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mpi->width, mpi->height);
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// set up mpi as a upside-down image of dmpi:
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vf->dmpi->planes[0]=mpi->planes[0]+
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mpi->stride[0]*(mpi->height-1);
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vf->dmpi->stride[0]=-mpi->stride[0];
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if(vf->dmpi->flags&MP_IMGFLAG_PLANAR){
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vf->dmpi->planes[1]=mpi->planes[1]+
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mpi->stride[1]*((mpi->height>>mpi->chroma_y_shift)-1);
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vf->dmpi->stride[1]=-mpi->stride[1];
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vf->dmpi->planes[2]=mpi->planes[2]+
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mpi->stride[2]*((mpi->height>>mpi->chroma_y_shift)-1);
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vf->dmpi->stride[2]=-mpi->stride[2];
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} else
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vf->dmpi->planes[1]=mpi->planes[1]; // passthru bgr8 palette!!!
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return vf_next_put_image(vf,vf->dmpi, pts);
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}
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//===========================================================================//
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static int vf_open(vf_instance_t *vf, char *args){
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vf->config=config;
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vf->get_image=get_image;
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vf->put_image=put_image;
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vf->default_reqs=VFCAP_ACCEPT_STRIDE;
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return 1;
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}
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const vf_info_t vf_info_flip = {
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"flip image upside-down",
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"flip",
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"A'rpi",
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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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