1/* 2 * H261 common code 3 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> 4 * Copyright (c) 2004 Maarten Daniels 5 * 6 * This file is part of FFmpeg. 7 * 8 * FFmpeg is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Lesser General Public 10 * License as published by the Free Software Foundation; either 11 * version 2.1 of the License, or (at your option) any later version. 12 * 13 * FFmpeg is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Lesser General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public 19 * License along with FFmpeg; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 21 */ 22 23/** 24 * @file 25 * h261codec. 26 */ 27 28#include "dsputil.h" 29#include "avcodec.h" 30#include "h261.h" 31 32#define IS_FIL(a) ((a)&MB_TYPE_H261_FIL) 33 34uint8_t ff_h261_rl_table_store[2][2*MAX_RUN + MAX_LEVEL + 3]; 35 36void ff_h261_loop_filter(MpegEncContext *s){ 37 H261Context * h= (H261Context*)s; 38 const int linesize = s->linesize; 39 const int uvlinesize= s->uvlinesize; 40 uint8_t *dest_y = s->dest[0]; 41 uint8_t *dest_cb= s->dest[1]; 42 uint8_t *dest_cr= s->dest[2]; 43 44 if(!(IS_FIL (h->mtype))) 45 return; 46 47 s->dsp.h261_loop_filter(dest_y , linesize); 48 s->dsp.h261_loop_filter(dest_y + 8, linesize); 49 s->dsp.h261_loop_filter(dest_y + 8 * linesize , linesize); 50 s->dsp.h261_loop_filter(dest_y + 8 * linesize + 8, linesize); 51 s->dsp.h261_loop_filter(dest_cb, uvlinesize); 52 s->dsp.h261_loop_filter(dest_cr, uvlinesize); 53} 54 55