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| author | Max Kellermann <max@duempel.org> | 2014-12-19 09:49:29 +0100 |
|---|---|---|
| committer | Max Kellermann <max@duempel.org> | 2014-12-19 09:49:29 +0100 |
| commit | d0c481e44e031e9668f06fdb2efcc84621704be8 (patch) | |
| tree | ea95bdf9b1e0524e955d8cab447754e5c8f3f615 /src/lib/ffmpeg | |
| parent | 67e2d9f9e1b8718406b3081751a57f3575823e0e (diff) | |
| download | mpd-d0c481e44e031e9668f06fdb2efcc84621704be8.tar.gz mpd-d0c481e44e031e9668f06fdb2efcc84621704be8.tar.xz mpd-d0c481e44e031e9668f06fdb2efcc84621704be8.zip | |
lib/ffmpeg/Time: add API documentation
Diffstat (limited to 'src/lib/ffmpeg')
| -rw-r--r-- | src/lib/ffmpeg/Time.hxx | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/lib/ffmpeg/Time.hxx b/src/lib/ffmpeg/Time.hxx index fb845d7d9..0e6ba2e84 100644 --- a/src/lib/ffmpeg/Time.hxx +++ b/src/lib/ffmpeg/Time.hxx @@ -36,6 +36,9 @@ extern "C" { #undef SampleFormat #endif +/** + * Convert a FFmpeg time stamp to a floating point value (in seconds). + */ gcc_const static inline double FfmpegTimeToDouble(int64_t t, const AVRational time_base) @@ -46,6 +49,9 @@ FfmpegTimeToDouble(int64_t t, const AVRational time_base) / (double)1024; } +/** + * Convert a std::ratio to a #AVRational. + */ template<typename Ratio> static inline constexpr AVRational RatioToAVRational() @@ -53,6 +59,9 @@ RatioToAVRational() return { Ratio::num, Ratio::den }; } +/** + * Convert a #SongTime to a FFmpeg time stamp with the given base. + */ gcc_const static inline int64_t ToFfmpegTime(SongTime t, const AVRational time_base) |