FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/rv20enc.c
Date: 2022-07-07 01:21:54
Exec Total Coverage
Lines: 21 21 100.0%
Branches: 8 14 57.1%

Line Branch Exec Source
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 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
25 * RV20 encoder
26 */
27
28 #include "codec_internal.h"
29 #include "mpegvideo.h"
30 #include "mpegvideodata.h"
31 #include "mpegvideoenc.h"
32 #include "h263data.h"
33 #include "h263enc.h"
34 #include "put_bits.h"
35 #include "rv10enc.h"
36
37 150 void ff_rv20_encode_picture_header(MpegEncContext *s, int picture_number){
38 150 put_bits(&s->pb, 2, s->pict_type); //I 0 vs. 1 ?
39 150 put_bits(&s->pb, 1, 0); /* unknown bit */
40 150 put_bits(&s->pb, 5, s->qscale);
41
42 150 put_sbits(&s->pb, 8, picture_number); //FIXME wrong, but correct is not known
43 150 s->mb_x= s->mb_y= 0;
44 150 ff_h263_encode_mba(s);
45
46 150 put_bits(&s->pb, 1, s->no_rounding);
47
48
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150 av_assert0(s->f_code == 1);
49
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150 av_assert0(s->unrestricted_mv == 0);
50
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150 av_assert0(s->alt_inter_vlc == 0);
51
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150 av_assert0(s->umvplus == 0);
52
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150 av_assert0(s->modified_quant==1);
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150 av_assert0(s->loop_filter==1);
54
55 150 s->h263_aic= s->pict_type == AV_PICTURE_TYPE_I;
56
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150 if(s->h263_aic){
57 15 s->y_dc_scale_table=
58 15 s->c_dc_scale_table= ff_aic_dc_scale_table;
59 }else{
60 135 s->y_dc_scale_table=
61 135 s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
62 }
63 150 }
64
65 const FFCodec ff_rv20_encoder = {
66 .p.name = "rv20",
67 .p.long_name = NULL_IF_CONFIG_SMALL("RealVideo 2.0"),
68 .p.type = AVMEDIA_TYPE_VIDEO,
69 .p.id = AV_CODEC_ID_RV20,
70 .p.priv_class = &ff_mpv_enc_class,
71 .priv_data_size = sizeof(MpegEncContext),
72 .init = ff_mpv_encode_init,
73 FF_CODEC_ENCODE_CB(ff_mpv_encode_picture),
74 .close = ff_mpv_encode_end,
75 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
76 .p.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE },
77 };
78