Index: third_party/WebKit/Source/platform/audio/HRTFPanner.h |
diff --git a/third_party/WebKit/Source/platform/audio/HRTFPanner.h b/third_party/WebKit/Source/platform/audio/HRTFPanner.h |
index a6b71a7ad76d0257a42302ff0bd27ef82dd8faf0..c61290543e126ce0e0bc874c8f09066eecf5046a 100644 |
--- a/third_party/WebKit/Source/platform/audio/HRTFPanner.h |
+++ b/third_party/WebKit/Source/platform/audio/HRTFPanner.h |
@@ -10,16 +10,17 @@ |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* |
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY |
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
- * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND |
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
+ * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE |
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH |
+ * DAMAGE. |
*/ |
#ifndef HRTFPanner_h |
@@ -62,8 +63,9 @@ class PLATFORM_EXPORT HRTFPanner final : public Panner { |
double latencyTime() const override; |
private: |
- // Given an azimuth angle in the range -180 -> +180, returns the corresponding azimuth index for the database, |
- // and azimuthBlend which is an interpolation value from 0 -> 1. |
+ // Given an azimuth angle in the range -180 -> +180, returns the corresponding |
+ // azimuth index for the database, and azimuthBlend which is an interpolation |
+ // value from 0 -> 1. |
int calculateDesiredAzimuthIndexAndBlend(double azimuth, |
double& azimuthBlend); |
@@ -71,17 +73,19 @@ class PLATFORM_EXPORT HRTFPanner final : public Panner { |
float m_sampleRate; |
- // We maintain two sets of convolvers for smooth cross-faded interpolations when |
- // then azimuth and elevation are dynamically changing. |
- // When the azimuth and elevation are not changing, we simply process with one of the two sets. |
- // Initially we use CrossfadeSelection1 corresponding to m_convolverL1 and m_convolverR1. |
- // Whenever the azimuth or elevation changes, a crossfade is initiated to transition |
- // to the new position. So if we're currently processing with CrossfadeSelection1, then |
- // we transition to CrossfadeSelection2 (and vice versa). |
- // If we're in the middle of a transition, then we wait until it is complete before |
- // initiating a new transition. |
- |
- // Selects either the convolver set (m_convolverL1, m_convolverR1) or (m_convolverL2, m_convolverR2). |
+ // We maintain two sets of convolvers for smooth cross-faded interpolations |
+ // when then azimuth and elevation are dynamically changing. When the |
+ // azimuth and elevation are not changing, we simply process with one |
+ // of the two sets. Initially we use CrossfadeSelection1 corresponding to |
+ // m_convolverL1 and m_convolverR1. Whenever the azimuth or elevation |
+ // changes, a crossfade is initiated to transition to the new position. So if |
+ // we're currently processing with CrossfadeSelection1, then we transition to |
+ // CrossfadeSelection2 (and vice versa). If we're in the middle of a |
+ // transition, then we wait until it is complete before initiating a new |
+ // transition. |
+ |
+ // Selects either the convolver set (m_convolverL1, m_convolverR1) or |
+ // (m_convolverL2, m_convolverR2). |
enum CrossfadeSelection { CrossfadeSelection1, CrossfadeSelection2 }; |
CrossfadeSelection m_crossfadeSelection; |