зеркало из https://github.com/mozilla/gecko-dev.git
Bug 867174 - Part 2: Protect against invalid sample rates a bit harder; r=padenot
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@ -312,9 +312,11 @@ public:
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mPlaybackRate = mPlaybackRateTimeline.GetValueAtTime<TrackTicks>(aStream->GetCurrentPosition());
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}
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// Make sure the playback rate if something our resampler can work with.
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if (mPlaybackRate <= 0.0 || mPlaybackRate >= 1024) {
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// Make sure the playback rate and the doppler shift are something
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// our resampler can work with.
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if (ComputeFinalOutSampleRate() == 0) {
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mPlaybackRate = 1.0;
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mDopplerShift = 1.0;
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}
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uint32_t currentOutSampleRate, currentInSampleRate;
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@ -20,6 +20,7 @@ MOCHITEST_FILES := \
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test_bug866570.html \
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test_bug866737.html \
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test_bug867089.html \
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test_bug867174.html \
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test_analyserNode.html \
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test_AudioBuffer.html \
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test_AudioContext.html \
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@ -0,0 +1,40 @@
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<!DOCTYPE HTML>
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<html>
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<head>
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<title>Crashtest for bug 867174</title>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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</head>
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<body>
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<pre id="test">
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<script class="testbody" type="text/javascript">
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SpecialPowers.setBoolPref("media.webaudio.enabled", true);
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SimpleTest.waitForExplicitFinish();
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addLoadEvent(function() {
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var ctx = new AudioContext();
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var source = ctx.createBufferSource();
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var buffer = ctx.createBuffer(2, 2048, 8000);
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source.playbackRate.setTargetValueAtTime(0, 2, 3);
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var sp = ctx.createScriptProcessor();
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source.connect(sp);
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sp.connect(ctx.destination);
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source.start(0);
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sp.onaudioprocess = function(e) {
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// Now set the buffer
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source.buffer = buffer;
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ok(true, "We did not crash.");
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sp.onaudioprocess = null;
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SpecialPowers.clearUserPref("media.webaudio.enabled");
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SimpleTest.finish();
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};
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});
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</script>
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</pre>
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</body>
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</html>
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