Split the h261.c file into separate files for the encoder, decoder and common stuff.
[libav.git] / libavcodec / h261.c
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 h261.c
25 * h261codec.
26 */
27
28 #include "dsputil.h"
29 #include "avcodec.h"
30 #include "h261.h"
31 #include "h261data.h"
32
33 #define IS_FIL(a) ((a)&MB_TYPE_H261_FIL)
34
35 uint8_t ff_h261_rl_table_store[2][2*MAX_RUN + MAX_LEVEL + 3];
36
37 void ff_h261_loop_filter(MpegEncContext *s){
38 H261Context * h= (H261Context*)s;
39 const int linesize = s->linesize;
40 const int uvlinesize= s->uvlinesize;
41 uint8_t *dest_y = s->dest[0];
42 uint8_t *dest_cb= s->dest[1];
43 uint8_t *dest_cr= s->dest[2];
44
45 if(!(IS_FIL (h->mtype)))
46 return;
47
48 s->dsp.h261_loop_filter(dest_y , linesize);
49 s->dsp.h261_loop_filter(dest_y + 8, linesize);
50 s->dsp.h261_loop_filter(dest_y + 8 * linesize , linesize);
51 s->dsp.h261_loop_filter(dest_y + 8 * linesize + 8, linesize);
52 s->dsp.h261_loop_filter(dest_cb, uvlinesize);
53 s->dsp.h261_loop_filter(dest_cr, uvlinesize);
54 }
55