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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 * 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 |
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| 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 #include "config.h" | 25 #include "config.h" |
| 26 | 26 |
| 27 #if ENABLE(WEB_AUDIO) | 27 #if ENABLE(WEB_AUDIO) |
| 28 | 28 |
| 29 #include "modules/webaudio/BiquadDSPKernel.h" | 29 #include "modules/webaudio/BiquadDSPKernel.h" |
| 30 | 30 |
| 31 #include "modules/webaudio/BiquadProcessor.h" | |
| 32 #include "platform/FloatConversion.h" | 31 #include "platform/FloatConversion.h" |
| 33 #include <limits.h> | 32 #include <limits.h> |
| 34 #include "wtf/Vector.h" | 33 #include "wtf/Vector.h" |
| 35 | 34 |
| 36 namespace WebCore { | 35 namespace WebCore { |
| 37 | 36 |
| 38 // FIXME: As a recursive linear filter, depending on its parameters, a biquad fi
lter can have | 37 // FIXME: As a recursive linear filter, depending on its parameters, a biquad fi
lter can have |
| 39 // an infinite tailTime. In practice, Biquad filters do not usually (except for
very high resonance values) | 38 // an infinite tailTime. In practice, Biquad filters do not usually (except for
very high resonance values) |
| 40 // have a tailTime of longer than approx. 200ms. This value could possibly be ca
lculated based on the | 39 // have a tailTime of longer than approx. 200ms. This value could possibly be ca
lculated based on the |
| 41 // settings of the Biquad. | 40 // settings of the Biquad. |
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| 159 } | 158 } |
| 160 | 159 |
| 161 double BiquadDSPKernel::latencyTime() const | 160 double BiquadDSPKernel::latencyTime() const |
| 162 { | 161 { |
| 163 return 0; | 162 return 0; |
| 164 } | 163 } |
| 165 | 164 |
| 166 } // namespace WebCore | 165 } // namespace WebCore |
| 167 | 166 |
| 168 #endif // ENABLE(WEB_AUDIO) | 167 #endif // ENABLE(WEB_AUDIO) |
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