| Line | Branch | Exec | 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 | #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 | 13872 | static inline char *av_ts_make_string(char *buf, int64_t ts) | |
| 44 | { | ||
| 45 |
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13872 | if (ts == AV_NOPTS_VALUE) snprintf(buf, AV_TS_MAX_STRING_SIZE, "NOPTS"); |
| 46 | 13779 | else snprintf(buf, AV_TS_MAX_STRING_SIZE, "%" PRId64, ts); | |
| 47 | 13872 | return buf; | |
| 48 | } | ||
| 49 | |||
| 50 | /** | ||
| 51 | * Convenience macro, the return value should be used only directly in | ||
| 52 | * function arguments but never stand-alone. | ||
| 53 | */ | ||
| 54 | #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 | 183510 | static inline char *av_ts_make_time_string(char *buf, int64_t ts, | |
| 74 | const AVRational *tb) | ||
| 75 | { | ||
| 76 | 183510 | return av_ts_make_time_string2(buf, ts, *tb); | |
| 77 | } | ||
| 78 | |||
| 79 | /** | ||
| 80 | * Convenience macro, the return value should be used only directly in | ||
| 81 | * function arguments but never stand-alone. | ||
| 82 | */ | ||
| 83 | #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 */ | ||
| 86 |