diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2012-10-26 23:23:19 +0400 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-10-27 02:26:35 +0400 |
| commit | 8766ad9eb1b0b498ec5db824c8c34385e3d6d713 (patch) | |
| tree | 97420a8a68da4ea5d678390cd9b1cf3cb2a08a86 /libavutil/mathematics.h | |
| parent | 03e44bcb3ff199fb4f7f043242979da80c75fec0 (diff) | |
lavu: add av_rescale_delta()
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavutil/mathematics.h')
| -rw-r--r-- | libavutil/mathematics.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavutil/mathematics.h b/libavutil/mathematics.h index 113286cd8d..81b14fd29e 100644 --- a/libavutil/mathematics.h +++ b/libavutil/mathematics.h @@ -123,6 +123,11 @@ int av_compare_ts(int64_t ts_a, AVRational tb_a, int64_t ts_b, AVRational tb_b); int64_t av_compare_mod(uint64_t a, uint64_t b, uint64_t mod); /** + * Rescale a timestamp while preserving known durations. + */ +int64_t av_rescale_delta(AVRational in_tb, int64_t in_ts, AVRational fs_tb, int duration, int64_t *last, AVRational out_tb); + +/** * @} */ |