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integrated the essential changes from emlynmac from https://github.com/corrados/jamulus/pull/44

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This commit is contained in:
Volker Fischer 2020-04-10 20:29:14 +02:00
parent 854d5a128f
commit d0c0a4722a
3 changed files with 60 additions and 14 deletions
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65
mac/sound.cpp
View file

@ -254,6 +254,37 @@ void CSound::GetAudioDeviceInfos ( const AudioDeviceID DeviceID,
}
}
int CSound::CountChannels ( AudioDeviceID devID,
bool isInput )
{
OSStatus err;
UInt32 propSize;
int result = 0;
AudioObjectPropertyScope theScope = isInput ? kAudioDevicePropertyScopeInput : kAudioDevicePropertyScopeOutput;
AudioObjectPropertyAddress theAddress = { kAudioDevicePropertyStreamConfiguration,
theScope,
0 };
AudioObjectGetPropertyDataSize ( devID, &theAddress, 0, NULL, &propSize );
AudioBufferList *buflist = (AudioBufferList*) malloc ( propSize );
err = AudioObjectGetPropertyData ( devID, &theAddress, 0, NULL, &propSize, buflist );
if ( !err )
{
for ( UInt32 i = 0; i < buflist->mNumberBuffers; ++i )
{
result += buflist->mBuffers[i].mNumberChannels;
}
}
free ( buflist );
return result;
}
QString CSound::LoadAndInitializeDriver ( int iDriverIdx )
{
// check device capabilities if it fullfills our requirements
@ -415,9 +446,6 @@ QString CSound::CheckDeviceCapabilities ( const int iDriverIdx )
"not compatible with this software." );
}
// store the input number of channels for this stream
iNumInChan = CurDevStreamFormat.mChannelsPerFrame;
// check the output
AudioObjectGetPropertyData ( outputStreamID,
&stPropertyAddress,
@ -436,8 +464,9 @@ QString CSound::CheckDeviceCapabilities ( const int iDriverIdx )
"not compatible with this software." );
}
// store the output number of channels for this stream
iNumOutChan = CurDevStreamFormat.mChannelsPerFrame;
// store the input and out number of channels for this device
iNumInChan = CountChannels ( audioInputDevice[iDriverIdx], true );
iNumOutChan = CountChannels ( audioInputDevice[iDriverIdx], false );
// clip the number of input/output channels to our allowed maximum
if ( iNumInChan > MAX_NUM_IN_OUT_CHANNELS )
@ -473,7 +502,7 @@ QString CSound::CheckDeviceCapabilities ( const int iDriverIdx )
// add the "[n]:" at the beginning as is in the Audio-Midi-Setup
if ( !bConvOK || ( iPropertySize == 0 ) )
{
// use a defalut name in case there was an error or the name is empty
// use a default name in case there was an error or the name is empty
sChannelNamesInput[iCurInCH] =
QString ( "%1: Channel %1" ).arg ( iCurInCH + 1 );
}
@ -783,10 +812,28 @@ OSStatus CSound::callbackIO ( AudioDeviceID inDevice,
if ( inDevice == pSound->CurrentAudioInputDeviceID )
{
// check size (float32 has four bytes)
if ( inInputData->mBuffers[0].mDataByteSize ==
static_cast<UInt32> ( iCoreAudioBufferSizeMono * iNumInChan * 4 ) )
// we should have a matching number of buffers to channels
if ( inInputData->mNumberBuffers == (UInt32) iNumInChan &&
inInputData->mBuffers[0].mDataByteSize == static_cast<UInt32> ( iCoreAudioBufferSizeMono * 4 ) )
{
// One buffer per channel mode
AudioBuffer left = inInputData->mBuffers[iSelInputLeftChannel];
Float32* pLeftData = static_cast<Float32*> ( left.mData );
AudioBuffer right = inInputData->mBuffers[iSelInputRightChannel];
Float32* pRightData = static_cast<Float32*> ( right.mData );
// copy input data
for ( int i = 0; i < iCoreAudioBufferSizeMono; i++ )
{
// left
pSound->vecsTmpAudioSndCrdStereo[2 * i] = (short) ( pLeftData[i] * _MAXSHORT );
// right
pSound->vecsTmpAudioSndCrdStereo[2 * i + 1] = (short) ( pRightData[i] * _MAXSHORT );
}
} else if ( inInputData->mBuffers[0].mDataByteSize == static_cast<UInt32> ( iCoreAudioBufferSizeMono * iNumInChan * 4 ) )
{
// One buffer with all the channels in
// get a pointer to the input data of the correct type
Float32* pInData = static_cast<Float32*> ( inInputData->mBuffers[0].mData );

3
mac/sound.h
View file

@ -25,6 +25,7 @@
#pragma once
#include <CoreAudio/CoreAudio.h>
#include <AudioToolbox/AudioToolbox.h>
#include <CoreMIDI/CoreMIDI.h>
#include <QMutex>
#include "soundbase.h"
@ -77,6 +78,8 @@ protected:
virtual QString LoadAndInitializeDriver ( int iIdx );
QString CheckDeviceCapabilities ( const int iDriverIdx );
OSStatus CountChannels ( AudioDeviceID devID,
bool isInput );
UInt32 SetBufferSize ( AudioDeviceID& audioDeviceID,
const bool bIsInput,

4
src/serverlogging.h
View file

@ -60,8 +60,4 @@ protected:
CSvgHistoryGraph SvgHistoryGraph;
bool bDoLogging;
QFile File;
private:
int iHistNumItems;
int iHistMaxDays;
};