mpegvideo: Move tables to a separate file
[libav.git] / libavcodec / rv20enc.c
1 /*
2 * RV20 encoder
3 * Copyright (c) 2000,2001 Fabrice Bellard
4 * Copyright (c) 2002-2004 Michael Niedermayer
5 *
6 * This file is part of Libav.
7 *
8 * Libav 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 * Libav 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 Libav; 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 * RV20 encoder
26 */
27
28 #include "mpegvideo.h"
29 #include "mpegvideodata.h"
30 #include "h263.h"
31 #include "put_bits.h"
32
33 void ff_rv20_encode_picture_header(MpegEncContext *s, int picture_number){
34 put_bits(&s->pb, 2, s->pict_type); //I 0 vs. 1 ?
35 put_bits(&s->pb, 1, 0); /* unknown bit */
36 put_bits(&s->pb, 5, s->qscale);
37
38 put_sbits(&s->pb, 8, picture_number); //FIXME wrong, but correct is not known
39 s->mb_x= s->mb_y= 0;
40 ff_h263_encode_mba(s);
41
42 put_bits(&s->pb, 1, s->no_rounding);
43
44 assert(s->f_code == 1);
45 assert(s->unrestricted_mv == 0);
46 assert(s->alt_inter_vlc == 0);
47 assert(s->umvplus == 0);
48 assert(s->modified_quant==1);
49 assert(s->loop_filter==1);
50
51 s->h263_aic= s->pict_type == AV_PICTURE_TYPE_I;
52 if(s->h263_aic){
53 s->y_dc_scale_table=
54 s->c_dc_scale_table= ff_aic_dc_scale_table;
55 }else{
56 s->y_dc_scale_table=
57 s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
58 }
59 }
60
61 FF_MPV_GENERIC_CLASS(rv20)
62
63 AVCodec ff_rv20_encoder = {
64 .name = "rv20",
65 .long_name = NULL_IF_CONFIG_SMALL("RealVideo 2.0"),
66 .type = AVMEDIA_TYPE_VIDEO,
67 .id = AV_CODEC_ID_RV20,
68 .priv_data_size = sizeof(MpegEncContext),
69 .init = ff_mpv_encode_init,
70 .encode2 = ff_mpv_encode_picture,
71 .close = ff_mpv_encode_end,
72 .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
73 .priv_class = &rv20_class,
74 };