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| author | Max Kellermann <max@duempel.org> | 2014-12-19 10:12:01 +0100 |
|---|---|---|
| committer | Max Kellermann <max@duempel.org> | 2014-12-19 10:23:05 +0100 |
| commit | 2e22ff2e3692291df2a62363dd8f488b65164e70 (patch) | |
| tree | eb4a127761edfdc9cca67dd535c6c9c01d037335 /src/lib | |
| parent | 8c3be4a5f036420ef2c7f1f53e573547df3b6c9b (diff) | |
| download | mpd-2e22ff2e3692291df2a62363dd8f488b65164e70.tar.gz mpd-2e22ff2e3692291df2a62363dd8f488b65164e70.tar.xz mpd-2e22ff2e3692291df2a62363dd8f488b65164e70.zip | |
decoder/ffmpeg: use AVStream::duration
Use the duration of the stream we're actually decoding - not the
"global" attribute AVFormatContext::duration which may differ.
Diffstat (limited to 'src/lib')
| -rw-r--r-- | src/lib/ffmpeg/Time.hxx | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/lib/ffmpeg/Time.hxx b/src/lib/ffmpeg/Time.hxx index 0e6ba2e84..7f2146016 100644 --- a/src/lib/ffmpeg/Time.hxx +++ b/src/lib/ffmpeg/Time.hxx @@ -60,6 +60,31 @@ RatioToAVRational() } /** + * Convert a FFmpeg time stamp to a #SongTime. + */ +gcc_const +static inline SongTime +FromFfmpegTime(int64_t t, const AVRational time_base) +{ + assert(t != (int64_t)AV_NOPTS_VALUE); + + return SongTime::FromMS(av_rescale_q(t, time_base, + (AVRational){1, 1000})); +} + +/** + * Convert a FFmpeg time stamp to a #SignedSongTime. + */ +gcc_const +static inline SignedSongTime +FromFfmpegTimeChecked(int64_t t, const AVRational time_base) +{ + return t != (int64_t)AV_NOPTS_VALUE + ? SignedSongTime(FromFfmpegTime(t, time_base)) + : SignedSongTime::Negative(); +} + +/** * Convert a #SongTime to a FFmpeg time stamp with the given base. */ gcc_const |