[SCM] WebKit Debian packaging branch, debian/experimental, updated. upstream/1.3.3-9427-gc2be6fc

crogers at google.com crogers at google.com
Wed Dec 22 13:14:55 UTC 2010


The following commit has been merged in the debian/experimental branch:
commit 14eb1b12074e8bd576ae008ba7c34ba338ccac0d
Author: crogers at google.com <crogers at google.com@268f45cc-cd09-0410-ab3c-d52691b4dbfc>
Date:   Thu Sep 9 20:13:26 2010 +0000

    2010-09-09  Chris Rogers  <crogers at google.com>
    
            Reviewed by Chris Fleizach.
    
            Add AudioDSPKernel files
            https://bugs.webkit.org/show_bug.cgi?id=45319
    
            No new tests since audio API is not yet implemented.
    
            * platform/audio/AudioDSPKernel.h: Added.
            (WebCore::AudioDSPKernel::AudioDSPKernel):
            (WebCore::AudioDSPKernel::~AudioDSPKernel):
            (WebCore::AudioDSPKernel::sampleRate):
            (WebCore::AudioDSPKernel::nyquist):
            (WebCore::AudioDSPKernel::processor):
    
    git-svn-id: http://svn.webkit.org/repository/webkit/trunk@67107 268f45cc-cd09-0410-ab3c-d52691b4dbfc

diff --git a/WebCore/ChangeLog b/WebCore/ChangeLog
index 639430a..ffd4e22 100644
--- a/WebCore/ChangeLog
+++ b/WebCore/ChangeLog
@@ -2,6 +2,22 @@
 
         Reviewed by Chris Fleizach.
 
+        Add AudioDSPKernel files
+        https://bugs.webkit.org/show_bug.cgi?id=45319
+
+        No new tests since audio API is not yet implemented.
+
+        * platform/audio/AudioDSPKernel.h: Added.
+        (WebCore::AudioDSPKernel::AudioDSPKernel):
+        (WebCore::AudioDSPKernel::~AudioDSPKernel):
+        (WebCore::AudioDSPKernel::sampleRate):
+        (WebCore::AudioDSPKernel::nyquist):
+        (WebCore::AudioDSPKernel::processor):
+
+2010-09-09  Chris Rogers  <crogers at google.com>
+
+        Reviewed by Chris Fleizach.
+
         Add AudioProcessor.h
         https://bugs.webkit.org/show_bug.cgi?id=45206
 
diff --git a/WebCore/platform/audio/AudioDSPKernel.h b/WebCore/platform/audio/AudioDSPKernel.h
new file mode 100644
index 0000000..d9be6dc
--- /dev/null
+++ b/WebCore/platform/audio/AudioDSPKernel.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef AudioDSPKernel_h
+#define AudioDSPKernel_h
+
+#include "AudioDSPKernelProcessor.h"
+
+namespace WebCore {
+
+// AudioDSPKernel does the processing for one channel of an AudioDSPKernelProcessor.
+
+class AudioDSPKernel {
+public:
+    AudioDSPKernel(AudioDSPKernelProcessor* kernelProcessor)
+        : m_kernelProcessor(kernelProcessor)
+    {
+    }
+
+    virtual ~AudioDSPKernel() { };
+
+    // Subclasses must override process() to do the processing and reset() to reset DSP state.
+    virtual void process(const float* source, float* destination, size_t framesToProcess) = 0;
+    virtual void reset() = 0;
+
+    double sampleRate() const { return processor()->sampleRate(); }
+    double nyquist() const { return 0.5 * sampleRate(); }
+
+    AudioDSPKernelProcessor* processor() { return m_kernelProcessor; }
+    const AudioDSPKernelProcessor* processor() const { return m_kernelProcessor; }
+
+protected:
+    AudioDSPKernelProcessor* m_kernelProcessor;
+};
+
+} // namespace WebCore
+
+#endif // AudioDSPKernel_h

-- 
WebKit Debian packaging



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