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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 "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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struct vf_priv_s { |
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int interleave; |
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int height; |
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int width; |
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int stridefactor; |
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}; |
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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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int pixel_stride= (width+15)&~15; //FIXME this is ust a guess ... especially for non planar its somewhat bad one |
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#if 0 |
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if(mpi->flags&MP_IMGFLAG_PLANAR) |
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pixel_stride= mpi->stride[0]; |
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else |
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pixel_stride= 8*mpi->stride[0] / mpi->bpp; |
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#endif |
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if(vf->priv->interleave){ |
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vf->priv->height= 2*height; |
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vf->priv->width= width - (pixel_stride/2); |
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vf->priv->stridefactor=1; |
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}else{ |
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vf->priv->height= height/2; |
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vf->priv->width= width + pixel_stride; |
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vf->priv->stridefactor=4; |
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} |
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//printf("hX %d %d %d\n", vf->priv->width,vf->priv->height,vf->priv->stridefactor); |
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return ff_vf_next_config(vf, vf->priv->width, vf->priv->height, |
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(d_width*vf->priv->stridefactor)>>1, 2*d_height/vf->priv->stridefactor, flags, outfmt); |
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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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return ff_vf_next_put_image(vf,(mp_image_t*)mpi->priv, pts); |
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} |
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vf->dmpi=ff_vf_get_image(vf->next,mpi->imgfmt, |
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MP_IMGTYPE_EXPORT, MP_IMGFLAG_ACCEPT_STRIDE, |
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vf->priv->width, vf->priv->height); |
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// set up mpi as a double-stride image of dmpi: |
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vf->dmpi->planes[0]=mpi->planes[0]; |
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vf->dmpi->stride[0]=(mpi->stride[0]*vf->priv->stridefactor)>>1; |
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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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vf->dmpi->stride[1]=(mpi->stride[1]*vf->priv->stridefactor)>>1; |
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vf->dmpi->planes[2]=mpi->planes[2]; |
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vf->dmpi->stride[2]=(mpi->stride[2]*vf->priv->stridefactor)>>1; |
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} else |
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vf->dmpi->planes[1]=mpi->planes[1]; // passthru bgr8 palette!!! |
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return ff_vf_next_put_image(vf,vf->dmpi, pts); |
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} |
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//===========================================================================// |
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static void uninit(struct vf_instance *vf) |
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{ |
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free(vf->priv); |
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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->put_image=put_image; |
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vf->uninit=uninit; |
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vf->default_reqs=VFCAP_ACCEPT_STRIDE; |
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vf->priv=calloc(1, sizeof(struct vf_priv_s)); |
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vf->priv->interleave= args && (*args == 'i'); |
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return 1; |
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} |
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const vf_info_t ff_vf_info_fil = { |
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"fast (de)interleaver", |
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"fil", |
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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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//===========================================================================// |