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- /*
- * This file is part of MPlayer.
- *
- * MPlayer is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * MPlayer is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with MPlayer; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include "config.h"
- #include "mp_msg.h"
- #include "mp_image.h"
- #include "vf.h"
- struct vf_priv_s {
- int interleave;
- int height;
- int width;
- int stridefactor;
- };
- //===========================================================================//
- static int config(struct vf_instance *vf,
- int width, int height, int d_width, int d_height,
- unsigned int flags, unsigned int outfmt){
- int pixel_stride= (width+15)&~15; //FIXME this is ust a guess ... especially for non planar its somewhat bad one
- #if 0
- if(mpi->flags&MP_IMGFLAG_PLANAR)
- pixel_stride= mpi->stride[0];
- else
- pixel_stride= 8*mpi->stride[0] / mpi->bpp;
- #endif
- if(vf->priv->interleave){
- vf->priv->height= 2*height;
- vf->priv->width= width - (pixel_stride/2);
- vf->priv->stridefactor=1;
- }else{
- vf->priv->height= height/2;
- vf->priv->width= width + pixel_stride;
- vf->priv->stridefactor=4;
- }
- //printf("hX %d %d %d\n", vf->priv->width,vf->priv->height,vf->priv->stridefactor);
- return vf_next_config(vf, vf->priv->width, vf->priv->height,
- (d_width*vf->priv->stridefactor)>>1, 2*d_height/vf->priv->stridefactor, flags, outfmt);
- }
- static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){
- if(mpi->flags&MP_IMGFLAG_DIRECT){
- // we've used DR, so we're ready...
- return vf_next_put_image(vf,(mp_image_t*)mpi->priv, pts);
- }
- vf->dmpi=vf_get_image(vf->next,mpi->imgfmt,
- MP_IMGTYPE_EXPORT, MP_IMGFLAG_ACCEPT_STRIDE,
- vf->priv->width, vf->priv->height);
- // set up mpi as a double-stride image of dmpi:
- vf->dmpi->planes[0]=mpi->planes[0];
- vf->dmpi->stride[0]=(mpi->stride[0]*vf->priv->stridefactor)>>1;
- if(vf->dmpi->flags&MP_IMGFLAG_PLANAR){
- vf->dmpi->planes[1]=mpi->planes[1];
- vf->dmpi->stride[1]=(mpi->stride[1]*vf->priv->stridefactor)>>1;
- vf->dmpi->planes[2]=mpi->planes[2];
- vf->dmpi->stride[2]=(mpi->stride[2]*vf->priv->stridefactor)>>1;
- } else
- vf->dmpi->planes[1]=mpi->planes[1]; // passthru bgr8 palette!!!
- return vf_next_put_image(vf,vf->dmpi, pts);
- }
- //===========================================================================//
- static void uninit(struct vf_instance *vf)
- {
- free(vf->priv);
- }
- static int vf_open(vf_instance_t *vf, char *args){
- vf->config=config;
- vf->put_image=put_image;
- vf->uninit=uninit;
- vf->default_reqs=VFCAP_ACCEPT_STRIDE;
- vf->priv=calloc(1, sizeof(struct vf_priv_s));
- vf->priv->interleave= args && (*args == 'i');
- return 1;
- }
- const vf_info_t vf_info_fil = {
- "fast (de)interleaver",
- "fil",
- "Michael Niedermayer",
- "",
- vf_open,
- NULL
- };
- //===========================================================================//
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