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"
32 void ff_rv20_encode_picture_header(MpegEncContext
*s
, int picture_number
){
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
);
37 put_sbits(&s
->pb
, 8, picture_number
); //FIXME wrong, but correct is not known
39 ff_h263_encode_mba(s
);
41 put_bits(&s
->pb
, 1, s
->no_rounding
);
43 av_assert0(s
->f_code
== 1);
44 av_assert0(s
->unrestricted_mv
== 0);
45 av_assert0(s
->alt_inter_vlc
== 0);
46 av_assert0(s
->umvplus
== 0);
47 av_assert0(s
->modified_quant
==1);
48 av_assert0(s
->loop_filter
==1);
50 s
->h263_aic
= s
->pict_type
== AV_PICTURE_TYPE_I
;
53 s
->c_dc_scale_table
= ff_aic_dc_scale_table
;
56 s
->c_dc_scale_table
= ff_mpeg1_dc_scale_table
;
60 FF_MPV_GENERIC_CLASS(rv20
)
62 AVCodec ff_rv20_encoder
= {
64 .long_name
= NULL_IF_CONFIG_SMALL("RealVideo 2.0"),
65 .type
= AVMEDIA_TYPE_VIDEO
,
66 .id
= AV_CODEC_ID_RV20
,
67 .priv_data_size
= sizeof(MpegEncContext
),
68 .init
= ff_mpv_encode_init
,
69 .encode2
= ff_mpv_encode_picture
,
70 .close
= ff_mpv_encode_end
,
71 .pix_fmts
= (const enum AVPixelFormat
[]){ AV_PIX_FMT_YUV420P
, AV_PIX_FMT_NONE
},
72 .priv_class
= &rv20_class
,