1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef FFTOOLS_FFMPEG_UTILS_H
#define FFTOOLS_FFMPEG_UTILS_H
#include <stdint.h>
#include "libavutil/common.h"
#include "libavutil/frame.h"
#include "libavutil/rational.h"
#include "libavcodec/packet.h"
typedef struct Timestamp {
int64_t ts;
AVRational tb;
} Timestamp;
/**
* Merge two return codes - return one of the error codes if at least one of
* them was negative, 0 otherwise.
*/
static inline int err_merge(int err0, int err1)
{
// prefer "real" errors over EOF
if ((err0 >= 0 || err0 == AVERROR_EOF) && err1 < 0)
return err1;
return (err0 < 0) ? err0 : FFMIN(err1, 0);
}
static inline void pkt_move(void *dst, void *src)
{
av_packet_move_ref(dst, src);
}
static inline void frame_move(void *dst, void *src)
{
av_frame_move_ref(dst, src);
}
#endif // FFTOOLS_FFMPEG_UTILS_H
|
