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crogers@google.com authored
https://bugs.webkit.org/show_bug.cgi?id=100170 Reviewed by Kenneth Russell. Source/WebCore: AudioBufferSourceNode currently only supports looping of an entire AudioBuffer. Sample-based synthesis is a very common technique which requires "internal" loop-points. For example, the first part of the sample data might represent the attack portion of a synthesized instrument, which then enters a loop portion. Tests: webaudio/audiobuffersource-loop-comprehensive.html webaudio/audiobuffersource-loop-points.html * Modules/webaudio/AudioBufferSourceNode.cpp: (WebCore::AudioBufferSourceNode::AudioBufferSourceNode): (WebCore::AudioBufferSourceNode::process): (WebCore::AudioBufferSourceNode::renderFromBuffer): * Modules/webaudio/AudioBufferSourceNode.h: (AudioBufferSourceNode): (WebCore::AudioBufferSourceNode::loopStart): (WebCore::AudioBufferSourceNode::loopEnd): (WebCore::AudioBufferSourceNode::setLoopStart): (WebCore::AudioBufferSourceNode::setLoopEnd): * Modules/webaudio/AudioBufferSourceNode.idl: LayoutTests: * webaudio/audiobuffersource-loop-comprehensive-expected.txt: Added. * webaudio/audiobuffersource-loop-comprehensive.html: Added. * webaudio/audiobuffersource-loop-points-expected.wav: Added. * webaudio/audiobuffersource-loop-points.html: Added. git-svn-id: http://svn.webkit.org/repository/webkit/trunk@132720 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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