Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(56)

Side by Side Diff: Source/platform/audio/AudioUtilities.h

Issue 400543004: Rename WebCore namespace to blink in Platform (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 6 years, 5 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
OLDNEW
1 /* 1 /*
2 * Copyright (C) 2010, Google Inc. All rights reserved. 2 * Copyright (C) 2010, Google Inc. All rights reserved.
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without 4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions 5 * modification, are permitted provided that the following conditions
6 * are met: 6 * are met:
7 * 1. Redistributions of source code must retain the above copyright 7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer. 8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright 9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the 10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution. 11 * documentation and/or other materials provided with the distribution.
12 * 12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN Y 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN Y
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN Y 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN Y
17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O N 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O N
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */ 23 */
24 24
25 #ifndef AudioUtilities_h 25 #ifndef AudioUtilities_h
26 #define AudioUtilities_h 26 #define AudioUtilities_h
27 27
28 #include "platform/PlatformExport.h" 28 #include "platform/PlatformExport.h"
29 29
30 namespace WebCore { 30 namespace blink {
31 namespace AudioUtilities { 31 namespace AudioUtilities {
32 32
33 // Standard functions for converting to and from decibel values from linear. 33 // Standard functions for converting to and from decibel values from linear.
34 PLATFORM_EXPORT float linearToDecibels(float); 34 PLATFORM_EXPORT float linearToDecibels(float);
35 PLATFORM_EXPORT float decibelsToLinear(float); 35 PLATFORM_EXPORT float decibelsToLinear(float);
36 36
37 // timeConstant is the time it takes a first-order linear time-invariant system 37 // timeConstant is the time it takes a first-order linear time-invariant system
38 // to reach the value 1 - 1/e (around 63.2%) given a step input response. 38 // to reach the value 1 - 1/e (around 63.2%) given a step input response.
39 // discreteTimeConstantForSampleRate() will return the discrete time-constant fo r the specific sampleRate. 39 // discreteTimeConstantForSampleRate() will return the discrete time-constant fo r the specific sampleRate.
40 PLATFORM_EXPORT double discreteTimeConstantForSampleRate(double timeConstant, do uble sampleRate); 40 PLATFORM_EXPORT double discreteTimeConstantForSampleRate(double timeConstant, do uble sampleRate);
41 41
42 // Convert the time to a sample frame at the given sample rate. 42 // Convert the time to a sample frame at the given sample rate.
43 PLATFORM_EXPORT size_t timeToSampleFrame(double time, double sampleRate); 43 PLATFORM_EXPORT size_t timeToSampleFrame(double time, double sampleRate);
44 44
45 } // AudioUtilites 45 } // AudioUtilites
46 } // WebCore 46 } // WebCore
47 47
48 #endif // AudioUtilities_h 48 #endif // AudioUtilities_h
OLDNEW
« no previous file with comments | « Source/platform/audio/AudioSourceProviderClient.h ('k') | Source/platform/audio/AudioUtilities.cpp » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698