| Index: third_party/WebKit/Source/platform/audio/EqualPowerPanner.cpp
|
| diff --git a/third_party/WebKit/Source/platform/audio/EqualPowerPanner.cpp b/third_party/WebKit/Source/platform/audio/EqualPowerPanner.cpp
|
| index 8cf01c27d8142c135dc175cdd1c25a9895c7d2bb..bbeceb385c60591bc830784d38955eae412df351 100644
|
| --- a/third_party/WebKit/Source/platform/audio/EqualPowerPanner.cpp
|
| +++ b/third_party/WebKit/Source/platform/audio/EqualPowerPanner.cpp
|
| @@ -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
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| - * (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
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| + * DAMAGE.
|
| */
|
|
|
| #include "platform/audio/EqualPowerPanner.h"
|
| @@ -81,16 +82,19 @@ void EqualPowerPanner::pan(double azimuth,
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| double desiredGainR;
|
|
|
| if (numberOfInputChannels == 1) { // For mono source case.
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| - // Pan smoothly from left to right with azimuth going from -90 -> +90 degrees.
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| + // Pan smoothly from left to right with azimuth going from -90 -> +90
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| + // degrees.
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| desiredPanPosition = (azimuth + 90) / 180;
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| } else { // For stereo source case.
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| if (azimuth <= 0) { // from -90 -> 0
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| // sourceL -> destL and "equal-power pan" sourceR as in mono case
|
| - // by transforming the "azimuth" value from -90 -> 0 degrees into the range -90 -> +90.
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| + // by transforming the "azimuth" value from -90 -> 0 degrees into the
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| + // range -90 -> +90.
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| desiredPanPosition = (azimuth + 90) / 90;
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| } else { // from 0 -> +90
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| // sourceR -> destR and "equal-power pan" sourceL as in mono case
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| - // by transforming the "azimuth" value from 0 -> +90 degrees into the range -90 -> +90.
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| + // by transforming the "azimuth" value from 0 -> +90 degrees into the
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| + // range -90 -> +90.
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| desiredPanPosition = azimuth / 90;
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| }
|
| }
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| @@ -145,16 +149,19 @@ void EqualPowerPanner::calculateDesiredGain(double& desiredGainL,
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| double desiredPanPosition;
|
|
|
| if (numberOfInputChannels == 1) { // For mono source case.
|
| - // Pan smoothly from left to right with azimuth going from -90 -> +90 degrees.
|
| + // Pan smoothly from left to right with azimuth going from -90 -> +90
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| + // degrees.
|
| desiredPanPosition = (azimuth + 90) / 180;
|
| } else { // For stereo source case.
|
| if (azimuth <= 0) { // from -90 -> 0
|
| // sourceL -> destL and "equal-power pan" sourceR as in mono case
|
| - // by transforming the "azimuth" value from -90 -> 0 degrees into the range -90 -> +90.
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| + // by transforming the "azimuth" value from -90 -> 0 degrees into the
|
| + // range -90 -> +90.
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| desiredPanPosition = (azimuth + 90) / 90;
|
| } else { // from 0 -> +90
|
| // sourceR -> destR and "equal-power pan" sourceL as in mono case
|
| - // by transforming the "azimuth" value from 0 -> +90 degrees into the range -90 -> +90.
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| + // by transforming the "azimuth" value from 0 -> +90 degrees into the
|
| + // range -90 -> +90.
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| desiredPanPosition = azimuth / 90;
|
| }
|
| }
|
|
|