/src/ffmpeg/libavutil/timestamp.h
Line | Count | Source |
1 | | /* |
2 | | * This file is part of FFmpeg. |
3 | | * |
4 | | * FFmpeg is free software; you can redistribute it and/or |
5 | | * modify it under the terms of the GNU Lesser General Public |
6 | | * License as published by the Free Software Foundation; either |
7 | | * version 2.1 of the License, or (at your option) any later version. |
8 | | * |
9 | | * FFmpeg is distributed in the hope that it will be useful, |
10 | | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | | * Lesser General Public License for more details. |
13 | | * |
14 | | * You should have received a copy of the GNU Lesser General Public |
15 | | * License along with FFmpeg; if not, write to the Free Software |
16 | | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
17 | | */ |
18 | | |
19 | | /** |
20 | | * @file |
21 | | * timestamp utils, mostly useful for debugging/logging purposes |
22 | | */ |
23 | | |
24 | | #ifndef AVUTIL_TIMESTAMP_H |
25 | | #define AVUTIL_TIMESTAMP_H |
26 | | |
27 | | #include "avutil.h" |
28 | | |
29 | | #if defined(__cplusplus) && !defined(__STDC_FORMAT_MACROS) && !defined(PRId64) |
30 | | #error missing -D__STDC_FORMAT_MACROS / #define __STDC_FORMAT_MACROS |
31 | | #endif |
32 | | |
33 | 0 | #define AV_TS_MAX_STRING_SIZE 32 |
34 | | |
35 | | /** |
36 | | * Fill the provided buffer with a string containing a timestamp |
37 | | * representation. |
38 | | * |
39 | | * @param buf a buffer with size in bytes of at least AV_TS_MAX_STRING_SIZE |
40 | | * @param ts the timestamp to represent |
41 | | * @return the buffer in input |
42 | | */ |
43 | | static inline char *av_ts_make_string(char *buf, int64_t ts) |
44 | 0 | { |
45 | 0 | if (ts == AV_NOPTS_VALUE) snprintf(buf, AV_TS_MAX_STRING_SIZE, "NOPTS"); |
46 | 0 | else snprintf(buf, AV_TS_MAX_STRING_SIZE, "%" PRId64, ts); |
47 | 0 | return buf; |
48 | 0 | } Unexecuted instantiation: buffersrc.c:av_ts_make_string Unexecuted instantiation: demux.c:av_ts_make_string Unexecuted instantiation: seek.c:av_ts_make_string Unexecuted instantiation: timestamp.c:av_ts_make_string |
49 | | |
50 | | /** |
51 | | * Convenience macro, the return value should be used only directly in |
52 | | * function arguments but never stand-alone. |
53 | | */ |
54 | 0 | #define av_ts2str(ts) av_ts_make_string((char[AV_TS_MAX_STRING_SIZE]){0}, ts) |
55 | | |
56 | | /** |
57 | | * Fill the provided buffer with a string containing a timestamp time |
58 | | * representation. |
59 | | * |
60 | | * @param buf a buffer with size in bytes of at least AV_TS_MAX_STRING_SIZE |
61 | | * @param ts the timestamp to represent |
62 | | * @param tb the timebase of the timestamp |
63 | | * @return the buffer in input |
64 | | */ |
65 | | char *av_ts_make_time_string2(char *buf, int64_t ts, AVRational tb); |
66 | | |
67 | | /** |
68 | | * Fill the provided buffer with a string containing a timestamp |
69 | | * representation. |
70 | | * |
71 | | * @see av_ts_make_time_string2 |
72 | | */ |
73 | | static inline char *av_ts_make_time_string(char *buf, int64_t ts, |
74 | | const AVRational *tb) |
75 | 0 | { |
76 | 0 | return av_ts_make_time_string2(buf, ts, *tb); |
77 | 0 | } Unexecuted instantiation: buffersrc.c:av_ts_make_time_string Unexecuted instantiation: demux.c:av_ts_make_time_string Unexecuted instantiation: seek.c:av_ts_make_time_string Unexecuted instantiation: timestamp.c:av_ts_make_time_string |
78 | | |
79 | | /** |
80 | | * Convenience macro, the return value should be used only directly in |
81 | | * function arguments but never stand-alone. |
82 | | */ |
83 | 0 | #define av_ts2timestr(ts, tb) av_ts_make_time_string((char[AV_TS_MAX_STRING_SIZE]){0}, ts, tb) |
84 | | |
85 | | #endif /* AVUTIL_TIMESTAMP_H */ |