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| 1 /* | 1 /* |
| 2 * Copyright (C) 2011 Google Inc. All rights reserved. | 2 * Copyright (C) 2011 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 |
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| 67 | 67 |
| 68 // All channels must ask for the same amount. This should always be the | 68 // All channels must ask for the same amount. This should always be the |
| 69 // case, but let's just make sure. | 69 // case, but let's just make sure. |
| 70 bool isGood = | 70 bool isGood = |
| 71 m_multiChannelBus.get() && framesToProcess == m_framesToProcess; | 71 m_multiChannelBus.get() && framesToProcess == m_framesToProcess; |
| 72 DCHECK(isGood); | 72 DCHECK(isGood); |
| 73 if (!isGood) | 73 if (!isGood) |
| 74 return; | 74 return; |
| 75 | 75 |
| 76 // Copy the channel data from what we received from m_multiChannelProvider. | 76 // Copy the channel data from what we received from m_multiChannelProvider. |
| 77 ASSERT(m_currentChannel <= m_numberOfChannels); | 77 DCHECK_LE(m_currentChannel, m_numberOfChannels); |
| 78 if (m_currentChannel < m_numberOfChannels) { | 78 if (m_currentChannel < m_numberOfChannels) { |
| 79 memcpy(bus->channel(0)->mutableData(), | 79 memcpy(bus->channel(0)->mutableData(), |
| 80 m_multiChannelBus->channel(m_currentChannel)->data(), | 80 m_multiChannelBus->channel(m_currentChannel)->data(), |
| 81 sizeof(float) * framesToProcess); | 81 sizeof(float) * framesToProcess); |
| 82 ++m_currentChannel; | 82 ++m_currentChannel; |
| 83 } | 83 } |
| 84 } | 84 } |
| 85 | 85 |
| 86 private: | 86 private: |
| 87 AudioSourceProvider* m_multiChannelProvider; | 87 AudioSourceProvider* m_multiChannelProvider; |
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| 120 // calls provideInput() for the first channel, then it will call it for the | 120 // calls provideInput() for the first channel, then it will call it for the |
| 121 // remaining channels, since they all buffer in the same way and are | 121 // remaining channels, since they all buffer in the same way and are |
| 122 // processing the same number of frames. | 122 // processing the same number of frames. |
| 123 m_kernels[channelIndex]->process( | 123 m_kernels[channelIndex]->process( |
| 124 &channelProvider, destination->channel(channelIndex)->mutableData(), | 124 &channelProvider, destination->channel(channelIndex)->mutableData(), |
| 125 framesToProcess); | 125 framesToProcess); |
| 126 } | 126 } |
| 127 } | 127 } |
| 128 | 128 |
| 129 } // namespace blink | 129 } // namespace blink |
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