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| author | msheby <msheby@cinecert.com> | 2013-08-28 18:45:11 +0000 |
|---|---|---|
| committer | msheby <> | 2013-08-28 18:45:11 +0000 |
| commit | 641e2138cd3566bfa7d81f33e4c8b5879f1ce9aa (patch) | |
| tree | 307daa3a114d267fb95e4260644c3d8d1f54b66d /src/AS_02.h | |
| parent | 0736102a4f1eaa29b6b0b4aaabc1e360922e9385 (diff) | |
fix AS-02 audio unwrapping behavior
Diffstat (limited to 'src/AS_02.h')
| -rw-r--r-- | src/AS_02.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/AS_02.h b/src/AS_02.h index ff6b692..e534dd4 100644 --- a/src/AS_02.h +++ b/src/AS_02.h @@ -118,6 +118,14 @@ namespace AS_02 return CalcSampleSize(d) * CalcSamplesPerFrame(d, edit_rate); } + // Returns number of frames for data described by ADesc, given a duration in samples and an edit rate + inline ui32_t CalcFramesFromDurationInSamples(const ui32_t durationInSamples, const ASDCP::MXF::WaveAudioDescriptor& d, const ASDCP::Rational& edit_rate) + { + return static_cast<ui32_t>(static_cast<ui64_t>(durationInSamples) * + static_cast<ui64_t>(d.AudioSamplingRate.Denominator * edit_rate.Numerator) / + static_cast<ui64_t>(d.AudioSamplingRate.Numerator * edit_rate.Denominator)); + } + } // namespace MXF //--------------------------------------------------------------------------------- |