OLD | NEW |
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 |
(...skipping 12 matching lines...) Expand all Loading... |
23 */ | 23 */ |
24 | 24 |
25 #ifndef AudioNodeInput_h | 25 #ifndef AudioNodeInput_h |
26 #define AudioNodeInput_h | 26 #define AudioNodeInput_h |
27 | 27 |
28 #include "modules/webaudio/AudioNode.h" | 28 #include "modules/webaudio/AudioNode.h" |
29 #include "modules/webaudio/AudioSummingJunction.h" | 29 #include "modules/webaudio/AudioSummingJunction.h" |
30 #include "platform/audio/AudioBus.h" | 30 #include "platform/audio/AudioBus.h" |
31 #include "wtf/Allocator.h" | 31 #include "wtf/Allocator.h" |
32 #include "wtf/HashSet.h" | 32 #include "wtf/HashSet.h" |
| 33 #include <memory> |
33 | 34 |
34 namespace blink { | 35 namespace blink { |
35 | 36 |
36 class AudioNodeOutput; | 37 class AudioNodeOutput; |
37 | 38 |
38 // An AudioNodeInput represents an input to an AudioNode and can be connected fr
om one or more AudioNodeOutputs. | 39 // An AudioNodeInput represents an input to an AudioNode and can be connected fr
om one or more AudioNodeOutputs. |
39 // In the case of multiple connections, the input will act as a unity-gain summi
ng junction, mixing all the outputs. | 40 // In the case of multiple connections, the input will act as a unity-gain summi
ng junction, mixing all the outputs. |
40 // The number of channels of the input's bus is the maximum of the number of cha
nnels of all its connections. | 41 // The number of channels of the input's bus is the maximum of the number of cha
nnels of all its connections. |
41 | 42 |
42 class AudioNodeInput final : public AudioSummingJunction { | 43 class AudioNodeInput final : public AudioSummingJunction { |
43 USING_FAST_MALLOC(AudioNodeInput); | 44 USING_FAST_MALLOC(AudioNodeInput); |
44 public: | 45 public: |
45 static PassOwnPtr<AudioNodeInput> create(AudioHandler&); | 46 static std::unique_ptr<AudioNodeInput> create(AudioHandler&); |
46 | 47 |
47 // AudioSummingJunction | 48 // AudioSummingJunction |
48 void didUpdate() override; | 49 void didUpdate() override; |
49 | 50 |
50 // Can be called from any thread. | 51 // Can be called from any thread. |
51 AudioHandler& handler() const { return m_handler; } | 52 AudioHandler& handler() const { return m_handler; } |
52 | 53 |
53 // Must be called with the context's graph lock. | 54 // Must be called with the context's graph lock. |
54 void connect(AudioNodeOutput&); | 55 void connect(AudioNodeOutput&); |
55 void disconnect(AudioNodeOutput&); | 56 void disconnect(AudioNodeOutput&); |
(...skipping 42 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
98 // Called from context's audio thread. | 99 // Called from context's audio thread. |
99 AudioBus* internalSummingBus(); | 100 AudioBus* internalSummingBus(); |
100 void sumAllConnections(AudioBus* summingBus, size_t framesToProcess); | 101 void sumAllConnections(AudioBus* summingBus, size_t framesToProcess); |
101 | 102 |
102 RefPtr<AudioBus> m_internalSummingBus; | 103 RefPtr<AudioBus> m_internalSummingBus; |
103 }; | 104 }; |
104 | 105 |
105 } // namespace blink | 106 } // namespace blink |
106 | 107 |
107 #endif // AudioNodeInput_h | 108 #endif // AudioNodeInput_h |
OLD | NEW |