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Side by Side Diff: third_party/WebKit/Source/modules/webaudio/AudioParam.h

Issue 2103043007: Rename AbstractAudioContext to BaseAudioContext (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Use ASSERT(isGraphOwner()) instead of DCHECK Created 4 years, 5 months ago
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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 * 7 *
8 * 1. Redistributions of source code must retain the above copyright 8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer. 9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright 10 * 2. Redistributions in binary form must reproduce the above copyright
(...skipping 13 matching lines...) Expand all
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */ 27 */
28 28
29 #ifndef AudioParam_h 29 #ifndef AudioParam_h
30 #define AudioParam_h 30 #define AudioParam_h
31 31
32 #include "bindings/core/v8/ScriptWrappable.h" 32 #include "bindings/core/v8/ScriptWrappable.h"
33 #include "core/dom/DOMTypedArray.h" 33 #include "core/dom/DOMTypedArray.h"
34 #include "modules/webaudio/AbstractAudioContext.h"
35 #include "modules/webaudio/AudioParamTimeline.h" 34 #include "modules/webaudio/AudioParamTimeline.h"
36 #include "modules/webaudio/AudioSummingJunction.h" 35 #include "modules/webaudio/AudioSummingJunction.h"
36 #include "modules/webaudio/BaseAudioContext.h"
37 #include "wtf/PassRefPtr.h" 37 #include "wtf/PassRefPtr.h"
38 #include "wtf/ThreadSafeRefCounted.h" 38 #include "wtf/ThreadSafeRefCounted.h"
39 #include "wtf/text/WTFString.h" 39 #include "wtf/text/WTFString.h"
40 #include <sys/types.h> 40 #include <sys/types.h>
41 41
42 namespace blink { 42 namespace blink {
43 43
44 class AudioNodeOutput; 44 class AudioNodeOutput;
45 45
46 // Each AudioParam gets an identifier here. This is mostly for instrospection i f warnings or 46 // Each AudioParam gets an identifier here. This is mostly for instrospection i f warnings or
(...skipping 46 matching lines...) Expand 10 before | Expand all | Expand 10 after
93 public: 93 public:
94 AudioParamType getParamType() const { return m_paramType; } 94 AudioParamType getParamType() const { return m_paramType; }
95 void setParamType(AudioParamType); 95 void setParamType(AudioParamType);
96 // Return a nice name for the AudioParam. 96 // Return a nice name for the AudioParam.
97 String getParamName() const; 97 String getParamName() const;
98 98
99 static const double DefaultSmoothingConstant; 99 static const double DefaultSmoothingConstant;
100 static const double SnapThreshold; 100 static const double SnapThreshold;
101 101
102 static PassRefPtr<AudioParamHandler> create( 102 static PassRefPtr<AudioParamHandler> create(
103 AbstractAudioContext& context, 103 BaseAudioContext& context,
104 AudioParamType paramType, 104 AudioParamType paramType,
105 double defaultValue, 105 double defaultValue,
106 float minValue, 106 float minValue,
107 float maxValue) 107 float maxValue)
108 { 108 {
109 return adoptRef(new AudioParamHandler(context, paramType, defaultValue, minValue, maxValue)); 109 return adoptRef(new AudioParamHandler(context, paramType, defaultValue, minValue, maxValue));
110 } 110 }
111 111
112 // This should be used only in audio rendering thread. 112 // This should be used only in audio rendering thread.
113 AudioDestinationHandler& destinationHandler() const; 113 AudioDestinationHandler& destinationHandler() const;
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150 // Connect an audio-rate signal to control this parameter. 150 // Connect an audio-rate signal to control this parameter.
151 void connect(AudioNodeOutput&); 151 void connect(AudioNodeOutput&);
152 void disconnect(AudioNodeOutput&); 152 void disconnect(AudioNodeOutput&);
153 153
154 float intrinsicValue() const { return noBarrierLoad(&m_intrinsicValue); } 154 float intrinsicValue() const { return noBarrierLoad(&m_intrinsicValue); }
155 155
156 // Update any histograms with the given value. 156 // Update any histograms with the given value.
157 void updateHistograms(float newValue); 157 void updateHistograms(float newValue);
158 158
159 private: 159 private:
160 AudioParamHandler(AbstractAudioContext&, AudioParamType, double defaultValue , float min, float max); 160 AudioParamHandler(BaseAudioContext&, AudioParamType, double defaultValue, fl oat min, float max);
161 161
162 void warnIfOutsideRange(float value, float minValue, float maxValue); 162 void warnIfOutsideRange(float value, float minValue, float maxValue);
163 163
164 // sampleAccurate corresponds to a-rate (audio rate) vs. k-rate in the Web A udio specification. 164 // sampleAccurate corresponds to a-rate (audio rate) vs. k-rate in the Web A udio specification.
165 void calculateFinalValues(float* values, unsigned numberOfValues, bool sampl eAccurate); 165 void calculateFinalValues(float* values, unsigned numberOfValues, bool sampl eAccurate);
166 void calculateTimelineValues(float* values, unsigned numberOfValues); 166 void calculateTimelineValues(float* values, unsigned numberOfValues);
167 167
168 int computeQHistogramValue(float) const; 168 int computeQHistogramValue(float) const;
169 169
170 // The type of AudioParam, indicating what this AudioParam represents and wh at node it belongs 170 // The type of AudioParam, indicating what this AudioParam represents and wh at node it belongs
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184 AudioParamTimeline m_timeline; 184 AudioParamTimeline m_timeline;
185 185
186 // The destination node used to get necessary information like the smaple ra te and context time. 186 // The destination node used to get necessary information like the smaple ra te and context time.
187 RefPtr<AudioDestinationHandler> m_destinationHandler; 187 RefPtr<AudioDestinationHandler> m_destinationHandler;
188 }; 188 };
189 189
190 // AudioParam class represents web-exposed AudioParam interface. 190 // AudioParam class represents web-exposed AudioParam interface.
191 class AudioParam final : public GarbageCollectedFinalized<AudioParam>, public Sc riptWrappable { 191 class AudioParam final : public GarbageCollectedFinalized<AudioParam>, public Sc riptWrappable {
192 DEFINE_WRAPPERTYPEINFO(); 192 DEFINE_WRAPPERTYPEINFO();
193 public: 193 public:
194 static AudioParam* create(AbstractAudioContext&, AudioParamType, double defa ultValue); 194 static AudioParam* create(BaseAudioContext&, AudioParamType, double defaultV alue);
195 static AudioParam* create(AbstractAudioContext&, AudioParamType, double defa ultValue, float minValue, float maxValue); 195 static AudioParam* create(BaseAudioContext&, AudioParamType, double defaultV alue, float minValue, float maxValue);
196 196
197 DECLARE_TRACE(); 197 DECLARE_TRACE();
198 // |handler| always returns a valid object. 198 // |handler| always returns a valid object.
199 AudioParamHandler& handler() const { return *m_handler; } 199 AudioParamHandler& handler() const { return *m_handler; }
200 // |context| always returns a valid object. 200 // |context| always returns a valid object.
201 AbstractAudioContext* context() const { return m_context; } 201 BaseAudioContext* context() const { return m_context; }
202 202
203 AudioParamType getParamType() const { return handler().getParamType(); } 203 AudioParamType getParamType() const { return handler().getParamType(); }
204 void setParamType(AudioParamType); 204 void setParamType(AudioParamType);
205 String getParamName() const; 205 String getParamName() const;
206 206
207 float value() const; 207 float value() const;
208 void setValue(float); 208 void setValue(float);
209 float defaultValue() const; 209 float defaultValue() const;
210 210
211 float minValue() const; 211 float minValue() const;
212 float maxValue() const; 212 float maxValue() const;
213 213
214 AudioParam* setValueAtTime(float value, double time, ExceptionState&); 214 AudioParam* setValueAtTime(float value, double time, ExceptionState&);
215 AudioParam* linearRampToValueAtTime(float value, double time, ExceptionState &); 215 AudioParam* linearRampToValueAtTime(float value, double time, ExceptionState &);
216 AudioParam* exponentialRampToValueAtTime(float value, double time, Exception State&); 216 AudioParam* exponentialRampToValueAtTime(float value, double time, Exception State&);
217 AudioParam* setTargetAtTime(float target, double time, double timeConstant, ExceptionState&); 217 AudioParam* setTargetAtTime(float target, double time, double timeConstant, ExceptionState&);
218 AudioParam* setValueCurveAtTime(DOMFloat32Array* curve, double time, double duration, ExceptionState&); 218 AudioParam* setValueCurveAtTime(DOMFloat32Array* curve, double time, double duration, ExceptionState&);
219 AudioParam* cancelScheduledValues(double startTime, ExceptionState&); 219 AudioParam* cancelScheduledValues(double startTime, ExceptionState&);
220 220
221 private: 221 private:
222 AudioParam(AbstractAudioContext&, AudioParamType, double defaultValue, float min, float max); 222 AudioParam(BaseAudioContext&, AudioParamType, double defaultValue, float min , float max);
223 223
224 void warnIfOutsideRange(const String& paramMethd, float value); 224 void warnIfOutsideRange(const String& paramMethd, float value);
225 225
226 RefPtr<AudioParamHandler> m_handler; 226 RefPtr<AudioParamHandler> m_handler;
227 Member<AbstractAudioContext> m_context; 227 Member<BaseAudioContext> m_context;
228 }; 228 };
229 229
230 } // namespace blink 230 } // namespace blink
231 231
232 #endif // AudioParam_h 232 #endif // AudioParam_h
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