FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/cook_parser.c
Date: 2024-12-12 01:08:13
Exec Total Coverage
Lines: 9 9 100.0%
Functions: 1 1 100.0%
Branches: 5 8 62.5%

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1 /*
2 * Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com>
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 /**
22 * @file
23 * Cook audio parser
24 *
25 * Determines subpacket duration from extradata.
26 */
27
28 #include <stdint.h>
29
30 #include "libavutil/intreadwrite.h"
31 #include "parser.h"
32
33 typedef struct CookParseContext {
34 int duration;
35 } CookParseContext;
36
37 503 static int cook_parse(AVCodecParserContext *s1, AVCodecContext *avctx,
38 const uint8_t **poutbuf, int *poutbuf_size,
39 const uint8_t *buf, int buf_size)
40 {
41 503 CookParseContext *s = s1->priv_data;
42
43
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503 if (!s->duration &&
44
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5 avctx->extradata && avctx->extradata_size >= 8 && avctx->ch_layout.nb_channels)
45 5 s->duration = AV_RB16(avctx->extradata + 4) / avctx->ch_layout.nb_channels;
46
47 503 s1->duration = s->duration;
48
49 /* always return the full packet. this parser isn't doing any splitting or
50 combining, only setting packet duration */
51 503 *poutbuf = buf;
52 503 *poutbuf_size = buf_size;
53 503 return buf_size;
54 }
55
56 const AVCodecParser ff_cook_parser = {
57 .codec_ids = { AV_CODEC_ID_COOK },
58 .priv_data_size = sizeof(CookParseContext),
59 .parser_parse = cook_parse,
60 };
61