3 * Copyright (c) 2000,2001 Fabrice Bellard
4 * Copyright (c) 2002-2004 Michael Niedermayer
6 * This file is part of FFmpeg.
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.
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.
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
28 #include "mpegvideo.h"
29 #include "mpegvideodata.h"
35 void ff_rv20_encode_picture_header(MpegEncContext *s, int picture_number){
36 put_bits(&s->pb, 2, s->pict_type); //I 0 vs. 1 ?
37 put_bits(&s->pb, 1, 0); /* unknown bit */
38 put_bits(&s->pb, 5, s->qscale);
40 put_sbits(&s->pb, 8, picture_number); //FIXME wrong, but correct is not known
42 ff_h263_encode_mba(s);
44 put_bits(&s->pb, 1, s->no_rounding);
46 av_assert0(s->f_code == 1);
47 av_assert0(s->unrestricted_mv == 0);
48 av_assert0(s->alt_inter_vlc == 0);
49 av_assert0(s->umvplus == 0);
50 av_assert0(s->modified_quant==1);
51 av_assert0(s->loop_filter==1);
53 s->h263_aic= s->pict_type == AV_PICTURE_TYPE_I;
56 s->c_dc_scale_table= ff_aic_dc_scale_table;
59 s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
63 static const AVClass rv20_class = {
64 .class_name = "rv20 encoder",
65 .item_name = av_default_item_name,
66 .option = ff_mpv_generic_options,
67 .version = LIBAVUTIL_VERSION_INT,
70 const AVCodec ff_rv20_encoder = {
72 .long_name = NULL_IF_CONFIG_SMALL("RealVideo 2.0"),
73 .type = AVMEDIA_TYPE_VIDEO,
74 .id = AV_CODEC_ID_RV20,
75 .priv_data_size = sizeof(MpegEncContext),
76 .init = ff_mpv_encode_init,
77 .encode2 = ff_mpv_encode_picture,
78 .close = ff_mpv_encode_end,
79 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
80 .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
81 .priv_class = &rv20_class,