2 * This file is part of MPlayer.
4 * MPlayer is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * MPlayer is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with MPlayer; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
36 //===========================================================================//
38 static int config(struct vf_instance *vf,
39 int width, int height, int d_width, int d_height,
40 unsigned int flags, unsigned int outfmt){
41 int pixel_stride= (width+15)&~15; //FIXME this is ust a guess ... especially for non planar its somewhat bad one
44 if(mpi->flags&MP_IMGFLAG_PLANAR)
45 pixel_stride= mpi->stride[0];
47 pixel_stride= 8*mpi->stride[0] / mpi->bpp;
51 if(vf->priv->interleave){
52 vf->priv->height= 2*height;
53 vf->priv->width= width - (pixel_stride/2);
54 vf->priv->stridefactor=1;
56 vf->priv->height= height/2;
57 vf->priv->width= width + pixel_stride;
58 vf->priv->stridefactor=4;
60 //printf("hX %d %d %d\n", vf->priv->width,vf->priv->height,vf->priv->stridefactor);
62 return ff_vf_next_config(vf, vf->priv->width, vf->priv->height,
63 (d_width*vf->priv->stridefactor)>>1, 2*d_height/vf->priv->stridefactor, flags, outfmt);
66 static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){
67 if(mpi->flags&MP_IMGFLAG_DIRECT){
68 // we've used DR, so we're ready...
69 return ff_vf_next_put_image(vf,(mp_image_t*)mpi->priv, pts);
72 vf->dmpi=ff_vf_get_image(vf->next,mpi->imgfmt,
73 MP_IMGTYPE_EXPORT, MP_IMGFLAG_ACCEPT_STRIDE,
74 vf->priv->width, vf->priv->height);
76 // set up mpi as a double-stride image of dmpi:
77 vf->dmpi->planes[0]=mpi->planes[0];
78 vf->dmpi->stride[0]=(mpi->stride[0]*vf->priv->stridefactor)>>1;
79 if(vf->dmpi->flags&MP_IMGFLAG_PLANAR){
80 vf->dmpi->planes[1]=mpi->planes[1];
81 vf->dmpi->stride[1]=(mpi->stride[1]*vf->priv->stridefactor)>>1;
82 vf->dmpi->planes[2]=mpi->planes[2];
83 vf->dmpi->stride[2]=(mpi->stride[2]*vf->priv->stridefactor)>>1;
85 vf->dmpi->planes[1]=mpi->planes[1]; // passthru bgr8 palette!!!
87 return ff_vf_next_put_image(vf,vf->dmpi, pts);
90 //===========================================================================//
92 static void uninit(struct vf_instance *vf)
97 static int vf_open(vf_instance_t *vf, char *args){
99 vf->put_image=put_image;
101 vf->default_reqs=VFCAP_ACCEPT_STRIDE;
102 vf->priv=calloc(1, sizeof(struct vf_priv_s));
103 vf->priv->interleave= args && (*args == 'i');
107 const vf_info_t ff_vf_info_fil = {
108 "fast (de)interleaver",
110 "Michael Niedermayer",
116 //===========================================================================//