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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 |
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| 49 | 49 |
| 50 if (hasValue) | 50 if (hasValue) |
| 51 m_value = timelineValue; | 51 m_value = timelineValue; |
| 52 } | 52 } |
| 53 | 53 |
| 54 return narrowPrecisionToFloat(m_value); | 54 return narrowPrecisionToFloat(m_value); |
| 55 } | 55 } |
| 56 | 56 |
| 57 void AudioParam::setValue(float value) | 57 void AudioParam::setValue(float value) |
| 58 { | 58 { |
| 59 // Check against JavaScript giving us bogus floating-point values. | 59 m_value = value; |
| 60 // Don't ASSERT, since this can happen if somebody writes bad JS. | |
| 61 if (!std::isnan(value) && !std::isinf(value)) | |
| 62 m_value = value; | |
| 63 } | 60 } |
| 64 | 61 |
| 65 float AudioParam::smoothedValue() | 62 float AudioParam::smoothedValue() |
| 66 { | 63 { |
| 67 return narrowPrecisionToFloat(m_smoothedValue); | 64 return narrowPrecisionToFloat(m_smoothedValue); |
| 68 } | 65 } |
| 69 | 66 |
| 70 bool AudioParam::smooth() | 67 bool AudioParam::smooth() |
| 71 { | 68 { |
| 72 // If values have been explicitly scheduled on the timeline, then use the ex
act value. | 69 // If values have been explicitly scheduled on the timeline, then use the ex
act value. |
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| 183 if (m_outputs.contains(&output)) { | 180 if (m_outputs.contains(&output)) { |
| 184 m_outputs.remove(&output); | 181 m_outputs.remove(&output); |
| 185 changedOutputs(); | 182 changedOutputs(); |
| 186 output.removeParam(*this); | 183 output.removeParam(*this); |
| 187 } | 184 } |
| 188 } | 185 } |
| 189 | 186 |
| 190 } // namespace blink | 187 } // namespace blink |
| 191 | 188 |
| 192 #endif // ENABLE(WEB_AUDIO) | 189 #endif // ENABLE(WEB_AUDIO) |
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