FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/dolby_e_parser.c
Date: 2021-09-22 05:58:22
Exec Total Coverage
Lines: 17 23 73.9%
Branches: 3 6 50.0%

Line Branch Exec Source
1 /*
2 * Copyright (C) 2017 foo86
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 #include "libavutil/channel_layout.h"
22 #include "avcodec.h"
23 #include "dolby_e.h"
24 #include "get_bits.h"
25 #include "put_bits.h"
26
27 typedef struct DBEParseContext {
28 DBEContext dectx;
29 } DBEParseContext;
30
31 385 static int dolby_e_parse(AVCodecParserContext *s2, AVCodecContext *avctx,
32 const uint8_t **poutbuf, int *poutbuf_size,
33 const uint8_t *buf, int buf_size)
34 {
35 385 DBEParseContext *s1 = s2->priv_data;
36 385 DBEContext *s = &s1->dectx;
37 int ret;
38
39
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385 if ((ret = ff_dolby_e_parse_header(s, buf, buf_size)) < 0)
40 1 goto end;
41
42 384 s2->duration = FRAME_SAMPLES;
43
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384 switch (s->metadata.nb_channels) {
44 case 4:
45 avctx->channel_layout = AV_CH_LAYOUT_4POINT0;
46 break;
47 384 case 6:
48 384 avctx->channel_layout = AV_CH_LAYOUT_5POINT1;
49 384 break;
50 case 8:
51 avctx->channel_layout = AV_CH_LAYOUT_7POINT1;
52 break;
53 }
54
55 384 avctx->channels = s->metadata.nb_channels;
56 384 avctx->sample_rate = s->metadata.sample_rate;
57 384 avctx->sample_fmt = AV_SAMPLE_FMT_FLTP;
58
59 385 end:
60 /* always return the full packet. this parser isn't doing any splitting or
61 combining, only packet analysis */
62 385 *poutbuf = buf;
63 385 *poutbuf_size = buf_size;
64 385 return buf_size;
65 }
66
67 const AVCodecParser ff_dolby_e_parser = {
68 .codec_ids = { AV_CODEC_ID_DOLBY_E },
69 .priv_data_size = sizeof(DBEParseContext),
70 .parser_parse = dolby_e_parse,
71 };
72