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Diffstat (limited to 'libs/appleutility/CoreAudio/AudioUnits/AUPublic/OtherBases/AUEffectBase.cpp')
-rw-r--r--libs/appleutility/CoreAudio/AudioUnits/AUPublic/OtherBases/AUEffectBase.cpp80
1 files changed, 40 insertions, 40 deletions
diff --git a/libs/appleutility/CoreAudio/AudioUnits/AUPublic/OtherBases/AUEffectBase.cpp b/libs/appleutility/CoreAudio/AudioUnits/AUPublic/OtherBases/AUEffectBase.cpp
index 010082fc3f..c7a8c651ab 100644
--- a/libs/appleutility/CoreAudio/AudioUnits/AUPublic/OtherBases/AUEffectBase.cpp
+++ b/libs/appleutility/CoreAudio/AudioUnits/AUPublic/OtherBases/AUEffectBase.cpp
@@ -2,14 +2,14 @@
File: AUEffectBase.cpp
Abstract: AUEffectBase.h
Version: 1.1
-
+
Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple
Inc. ("Apple") in consideration of your agreement to the following
terms, and your use, installation, modification or redistribution of
this Apple software constitutes acceptance of these terms. If you do
not agree with these terms, please do not use, install, modify or
redistribute this Apple software.
-
+
In consideration of your agreement to abide by the following terms, and
subject to these terms, Apple grants you a personal, non-exclusive
license, under Apple's copyrights in this original Apple software (the
@@ -25,13 +25,13 @@
implied, are granted by Apple herein, including but not limited to any
patent rights that may be infringed by your derivative works or by other
works in which the Apple Software may be incorporated.
-
+
The Apple Software is provided by Apple on an "AS IS" basis. APPLE
MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND
OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
-
+
IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL
OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
@@ -40,15 +40,15 @@
AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE),
STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
-
+
Copyright (C) 2014 Apple Inc. All Rights Reserved.
-
+
*/
#include "AUEffectBase.h"
-/*
+/*
This class does not deal as well as it should with N-M effects...
-
+
The problem areas are (if the channels don't match):
ProcessInPlace if the channels don't match - there will be problems if InputChan != OutputChan
Bypass - its just passing the buffers through when not processing them
@@ -84,7 +84,7 @@ void AUEffectBase::Cleanup()
{
for (KernelList::iterator it = mKernelList.begin(); it != mKernelList.end(); ++it)
delete *it;
-
+
mKernelList.clear();
mMainOutput = NULL;
mMainInput = NULL;
@@ -113,7 +113,7 @@ OSStatus AUEffectBase::Initialize()
if ((configNumInputs < 0) && (configNumOutputs < 0))
{
// unit accepts any number of channels on input and output
- if (((configNumInputs == -1) && (configNumOutputs == -2))
+ if (((configNumInputs == -1) && (configNumOutputs == -2))
|| ((configNumInputs == -2) && (configNumOutputs == -1)))
{
foundMatch = true;
@@ -129,7 +129,7 @@ OSStatus AUEffectBase::Initialize()
}
else
{
- // the -1 case on either scope is saying that the unit doesn't care about the
+ // the -1 case on either scope is saying that the unit doesn't care about the
// number of channels on that scope
bool inputMatch = (auNumInputs == configNumInputs) || (configNumInputs == -1);
bool outputMatch = (auNumOutputs == configNumOutputs) || (configNumOutputs == -1);
@@ -152,14 +152,14 @@ OSStatus AUEffectBase::Initialize()
}
MaintainKernels();
-
+
mMainOutput = GetOutput(0);
mMainInput = GetInput(0);
-
+
const CAStreamBasicDescription& format = GetStreamFormat(kAudioUnitScope_Output, 0);
format.IdentifyCommonPCMFormat(mCommonPCMFormat, NULL);
mBytesPerFrame = format.mBytesPerFrame;
-
+
return noErr;
}
@@ -171,7 +171,7 @@ OSStatus AUEffectBase::Reset( AudioUnitScope inScope,
if (kernel != NULL)
kernel->Reset();
}
-
+
return AUBase::Reset(inScope, inElement);
}
@@ -228,10 +228,10 @@ OSStatus AUEffectBase::SetProperty( AudioUnitPropertyID inID,
{
if (inDataSize < sizeof(UInt32))
return kAudioUnitErr_InvalidPropertyValue;
-
+
bool tempNewSetting = *((UInt32*)inData) != 0;
// we're changing the state of bypass
- if (tempNewSetting != IsBypassEffect())
+ if (tempNewSetting != IsBypassEffect())
{
if (!tempNewSetting && IsBypassEffect() && IsInitialized()) // turning bypass off and we're initialized
Reset(0, 0);
@@ -246,16 +246,16 @@ OSStatus AUEffectBase::SetProperty( AudioUnitPropertyID inID,
}
return AUBase::SetProperty (inID, inScope, inElement, inData, inDataSize);
}
-
+
void AUEffectBase::MaintainKernels()
{
#if TARGET_OS_IPHONE
UInt32 nKernels = mOnlyOneKernel ? 1 : GetNumberOfChannels();
-#else
+#else
UInt32 nKernels = GetNumberOfChannels();
#endif
-
+
if (mKernelList.size() < nKernels) {
mKernelList.reserve(nKernels);
for (UInt32 i = (UInt32)mKernelList.size(); i < nKernels; ++i)
@@ -267,7 +267,7 @@ void AUEffectBase::MaintainKernels()
mKernelList.pop_back();
}
}
-
+
for(unsigned int i = 0; i < nKernels; i++ )
{
if(mKernelList[i]) {
@@ -289,7 +289,7 @@ OSStatus AUEffectBase::ChangeStreamFormat( AudioUnitScope inScope,
{
OSStatus result = AUBase::ChangeStreamFormat(inScope, inElement, inPrevFormat, inNewFormat);
if (result == noErr)
- {
+ {
// for the moment this only dependency we know about
// where a parameter's range may change is with the sample rate
// and effects are only publishing parameters in the global scope!
@@ -314,11 +314,11 @@ OSStatus AUEffectBase::ProcessScheduledSlice( void *inUserData,
UInt32 inTotalBufferFrames )
{
ScheduledProcessParams &sliceParams = *((ScheduledProcessParams*)inUserData);
-
+
AudioUnitRenderActionFlags &actionFlags = *sliceParams.actionFlags;
AudioBufferList &inputBufferList = *sliceParams.inputBufferList;
AudioBufferList &outputBufferList = *sliceParams.outputBufferList;
-
+
UInt32 channelSize = inSliceFramesToProcess * mBytesPerFrame;
// fix the size of the buffer we're operating on before we render this slice of time
for(unsigned int i = 0; i < inputBufferList.mNumberBuffers; i++ ) {
@@ -333,15 +333,15 @@ OSStatus AUEffectBase::ProcessScheduledSlice( void *inUserData,
// we just partially processed the buffers, so increment the data pointers to the next part of the buffer to process
for(unsigned int i = 0; i < inputBufferList.mNumberBuffers; i++ ) {
- inputBufferList.mBuffers[i].mData =
+ inputBufferList.mBuffers[i].mData =
(char *)inputBufferList.mBuffers[i].mData + inputBufferList.mBuffers[i].mNumberChannels * channelSize;
}
-
+
for(unsigned int i = 0; i < outputBufferList.mNumberBuffers; i++ ) {
- outputBufferList.mBuffers[i].mData =
+ outputBufferList.mBuffers[i].mData =
(char *)outputBufferList.mBuffers[i].mData + outputBufferList.mBuffers[i].mNumberChannels * channelSize;
}
-
+
return result;
}
@@ -358,7 +358,7 @@ OSStatus AUEffectBase::Render( AudioUnitRenderActionFlags &ioActionFlags,
OSStatus result = noErr;
result = mMainInput->PullInput(ioActionFlags, inTimeStamp, 0 /* element */, nFrames);
-
+
if (result == noErr)
{
if(ProcessesInPlace() && mMainOutput->WillAllocateBuffer())
@@ -369,7 +369,7 @@ OSStatus AUEffectBase::Render( AudioUnitRenderActionFlags &ioActionFlags,
if (ShouldBypassEffect())
{
// leave silence bit alone
-
+
if(!ProcessesInPlace() )
{
mMainInput->CopyBufferContentsTo (mMainOutput->GetBufferList());
@@ -385,22 +385,22 @@ OSStatus AUEffectBase::Render( AudioUnitRenderActionFlags &ioActionFlags,
else
{
// deal with scheduled parameters...
-
+
AudioBufferList &inputBufferList = mMainInput->GetBufferList();
AudioBufferList &outputBufferList = mMainOutput->GetBufferList();
-
+
ScheduledProcessParams processParams;
processParams.actionFlags = &ioActionFlags;
processParams.inputBufferList = &inputBufferList;
processParams.outputBufferList = &outputBufferList;
-
+
// divide up the buffer into slices according to scheduled params then
// do the DSP for each slice (ProcessScheduledSlice() called for each slice)
result = ProcessForScheduledParams( mParamList,
nFrames,
&processParams );
-
-
+
+
// fixup the buffer pointers to how they were before we started
UInt32 channelSize = nFrames * mBytesPerFrame;
for(unsigned int i = 0; i < inputBufferList.mNumberBuffers; i++ ) {
@@ -408,7 +408,7 @@ OSStatus AUEffectBase::Render( AudioUnitRenderActionFlags &ioActionFlags,
inputBufferList.mBuffers[i].mData = (char *)inputBufferList.mBuffers[i].mData - size;
inputBufferList.mBuffers[i].mDataByteSize = size;
}
-
+
for(unsigned int i = 0; i < outputBufferList.mNumberBuffers; i++ ) {
UInt32 size = outputBufferList.mBuffers[i].mNumberChannels * channelSize;
outputBufferList.mBuffers[i].mData = (char *)outputBufferList.mBuffers[i].mData - size;
@@ -416,13 +416,13 @@ OSStatus AUEffectBase::Render( AudioUnitRenderActionFlags &ioActionFlags,
}
}
}
-
+
if ( (ioActionFlags & kAudioUnitRenderAction_OutputIsSilence) && !ProcessesInPlace() )
{
AUBufferList::ZeroBuffer(mMainOutput->GetBufferList() );
}
}
-
+
return result;
}
@@ -435,7 +435,7 @@ OSStatus AUEffectBase::ProcessBufferLists(
{
if (ShouldBypassEffect())
return noErr;
-
+
// interleaved (or mono)
switch (mCommonPCMFormat) {
case CAStreamBasicDescription::kPCMFormatFloat32 :
@@ -450,7 +450,7 @@ OSStatus AUEffectBase::ProcessBufferLists(
default :
throw CAException(kAudio_UnimplementedError);
}
-
+
return noErr;
}