jpeg2000: Update pixel format support
[libav.git] / libavcodec / rv20enc.c
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1/*
2 * RV20 encoder
3 * Copyright (c) 2000,2001 Fabrice Bellard
4 * Copyright (c) 2002-2004 Michael Niedermayer
5 *
2912e87a 6 * This file is part of Libav.
b6767d6d 7 *
2912e87a 8 * Libav is free software; you can redistribute it and/or
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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 *
2912e87a 13 * Libav is distributed in the hope that it will be useful,
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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
2912e87a 19 * License along with Libav; if not, write to the Free Software
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20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23/**
ba87f080 24 * @file
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25 * RV20 encoder
26 */
27
28#include "mpegvideo.h"
688621d7 29#include "h263.h"
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30#include "put_bits.h"
31
6c28d657 32void ff_rv20_encode_picture_header(MpegEncContext *s, int picture_number){
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33 put_bits(&s->pb, 2, s->pict_type); //I 0 vs. 1 ?
34 put_bits(&s->pb, 1, 0); /* unknown bit */
35 put_bits(&s->pb, 5, s->qscale);
36
37 put_sbits(&s->pb, 8, picture_number); //FIXME wrong, but correct is not known
38 s->mb_x= s->mb_y= 0;
39 ff_h263_encode_mba(s);
40
41 put_bits(&s->pb, 1, s->no_rounding);
42
43 assert(s->f_code == 1);
53eb458a 44 assert(s->unrestricted_mv == 0);
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45 assert(s->alt_inter_vlc == 0);
46 assert(s->umvplus == 0);
47 assert(s->modified_quant==1);
48 assert(s->loop_filter==1);
49
975a1447 50 s->h263_aic= s->pict_type == AV_PICTURE_TYPE_I;
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51 if(s->h263_aic){
52 s->y_dc_scale_table=
53 s->c_dc_scale_table= ff_aic_dc_scale_table;
54 }else{
55 s->y_dc_scale_table=
56 s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
57 }
58}
59
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60FF_MPV_GENERIC_CLASS(rv20)
61
d36beb3f 62AVCodec ff_rv20_encoder = {
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63 .name = "rv20",
64 .type = AVMEDIA_TYPE_VIDEO,
36ef5369 65 .id = AV_CODEC_ID_RV20,
ec6402b7 66 .priv_data_size = sizeof(MpegEncContext),
efd29844 67 .init = ff_MPV_encode_init,
445a7d48 68 .encode2 = ff_MPV_encode_picture,
efd29844 69 .close = ff_MPV_encode_end,
716d413c 70 .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
00c3b67b 71 .long_name = NULL_IF_CONFIG_SMALL("RealVideo 2.0"),
ed019b8e 72 .priv_class = &rv20_class,
b6767d6d 73};