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Unified Diff: media/audio/audio_util.cc

Issue 12225140: Merge 181049 (Closed) Base URL: svn://svn.chromium.org/chrome/branches/1364/src/
Patch Set: Created 7 years, 10 months ago
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Index: media/audio/audio_util.cc
===================================================================
--- media/audio/audio_util.cc (revision 181960)
+++ media/audio/audio_util.cc (working copy)
@@ -371,6 +371,14 @@
#if defined(OS_WIN)
int NumberOfWaveOutBuffers() {
+ // Use the user provided buffer count if provided.
+ int buffers = 0;
+ std::string buffers_str(CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
+ switches::kWaveOutBuffers));
+ if (base::StringToInt(buffers_str, &buffers) && buffers > 0) {
+ return buffers;
+ }
+
// Use 4 buffers for Vista, 3 for everyone else:
// - The entire Windows audio stack was rewritten for Windows Vista and wave
// out performance was degraded compared to XP.
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