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