| /* |
| * 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 <inttypes.h> |
| |
| #include "config.h" |
| #include "mp_msg.h" |
| #include "help_mp.h" |
| |
| #include "img_format.h" |
| #include "mp_image.h" |
| #include "vf.h" |
| |
| #include "libvo/fastmemcpy.h" |
| |
| //===========================================================================// |
| |
| static int config(struct vf_instance *vf, |
| int width, int height, int d_width, int d_height, |
| unsigned int flags, unsigned int outfmt){ |
| |
| if(vf_next_query_format(vf,IMGFMT_YV12)<=0){ |
| mp_msg(MSGT_VFILTER, MSGL_WARN, MSGTR_MPCODECS_WarnNextFilterDoesntSupport, "YVU9"); |
| return 0; |
| } |
| |
| return vf_next_config(vf,width,height,d_width,d_height,flags,IMGFMT_YV12); |
| } |
| |
| static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){ |
| mp_image_t *dmpi; |
| int y,w,h; |
| |
| // hope we'll get DR buffer: |
| dmpi=vf_get_image(vf->next,IMGFMT_YV12, |
| MP_IMGTYPE_TEMP, 0/*MP_IMGFLAG_ACCEPT_STRIDE*/, |
| mpi->w, mpi->h); |
| |
| for(y=0;y<mpi->h;y++) |
| fast_memcpy(dmpi->planes[0]+dmpi->stride[0]*y, |
| mpi->planes[0]+mpi->stride[0]*y, |
| mpi->w); |
| |
| w=mpi->w/4; h=mpi->h/2; |
| for(y=0;y<h;y++){ |
| unsigned char* s=mpi->planes[1]+mpi->stride[1]*(y>>1); |
| unsigned char* d=dmpi->planes[1]+dmpi->stride[1]*y; |
| int x; |
| for(x=0;x<w;x++) d[2*x]=d[2*x+1]=s[x]; |
| } |
| for(y=0;y<h;y++){ |
| unsigned char* s=mpi->planes[2]+mpi->stride[2]*(y>>1); |
| unsigned char* d=dmpi->planes[2]+dmpi->stride[2]*y; |
| int x; |
| for(x=0;x<w;x++) d[2*x]=d[2*x+1]=s[x]; |
| } |
| |
| vf_clone_mpi_attributes(dmpi, mpi); |
| |
| return vf_next_put_image(vf,dmpi, pts); |
| } |
| |
| //===========================================================================// |
| |
| static int query_format(struct vf_instance *vf, unsigned int fmt){ |
| if (fmt == IMGFMT_YVU9 || fmt == IMGFMT_IF09) |
| return vf_next_query_format(vf,IMGFMT_YV12) & (~VFCAP_CSP_SUPPORTED_BY_HW); |
| return 0; |
| } |
| |
| static int vf_open(vf_instance_t *vf, char *args){ |
| vf->config=config; |
| vf->put_image=put_image; |
| vf->query_format=query_format; |
| return 1; |
| } |
| |
| const vf_info_t vf_info_yvu9 = { |
| "fast YVU9->YV12 conversion", |
| "yvu9", |
| "alex", |
| "", |
| vf_open, |
| NULL |
| }; |
| |
| //===========================================================================// |