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Diffstat (limited to 'Source/WebCore/platform/audio/AudioBus.h')
| -rw-r--r-- | Source/WebCore/platform/audio/AudioBus.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Source/WebCore/platform/audio/AudioBus.h b/Source/WebCore/platform/audio/AudioBus.h index 888f6bf..1943c0d 100644 --- a/Source/WebCore/platform/audio/AudioBus.h +++ b/Source/WebCore/platform/audio/AudioBus.h @@ -89,6 +89,18 @@ public: // 0 may be returned if the range does not fit in the sourceBuffer static PassOwnPtr<AudioBus> createBufferFromRange(AudioBus* sourceBuffer, unsigned startFrame, unsigned endFrame); + +#if !PLATFORM(MAC) + // Creates a new AudioBus by sample-rate converting sourceBus to the newSampleRate. + // setSampleRate() must have been previously called on sourceBus. + // Note: sample-rate conversion is already handled in the file-reading code for the mac port, so we don't need this. + static PassOwnPtr<AudioBus> createBySampleRateConverting(AudioBus* sourceBus, bool mixToMono, double newSampleRate); +#endif + + // Creates a new AudioBus by mixing all the channels down to mono. + // If sourceBus is already mono, then the returned AudioBus will simply be a copy. + static PassOwnPtr<AudioBus> createByMixingToMono(AudioBus* sourceBus); + // Scales all samples by the same amount. void scale(double scale); |