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cleanup OpenAL compatibility code in audio class

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This commit is contained in:
Nils Fenner 2015-12-08 04:52:19 +01:00
parent a1b87194b8
commit 08c43d0b83
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GPG Key ID: 9591A163FF9BE04C
3 changed files with 28 additions and 29 deletions
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40
src/audio/audio.cpp
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@ -48,6 +48,15 @@
#include <AL/alc.h>
#endif
#ifndef ALC_ALL_DEVICES_SPECIFIER
// compatibility with older versions of OpenAL
#include <AL/alext.h>
#endif
#ifdef QTOX_FILTER_AUDIO
#include "audiofilterer.h"
#endif
Audio* Audio::instance{nullptr};
class AudioPrivate
@ -77,7 +86,6 @@ public:
ALCdevice* alOutDev;
ALCcontext* alContext;
// predefined sources
ALuint alMainSource;
qreal inputVolume;
@ -792,7 +800,7 @@ bool Audio::tryCaptureSamples(int16_t* buf, int samples)
if (!(d->alInDev && d->inputInitialized))
return false;
ALint curSamples=0;
ALint curSamples = 0;
alcGetIntegerv(d->alInDev, ALC_CAPTURE_SAMPLES, sizeof(curSamples), &curSamples);
if (curSamples < samples)
return false;
@ -814,29 +822,19 @@ bool Audio::tryCaptureSamples(int16_t* buf, int samples)
return true;
}
#ifdef QTOX_FILTER_AUDIO
#include "audiofilterer.h"
/* include for compatibility with older versions of OpenAL */
#ifndef ALC_ALL_DEVICES_SPECIFIER
#include <AL/alext.h>
#endif
void Audio::getEchoesToFilter(AudioFilterer* filterer, int framesize)
#if defined(QTOX_FILTER_AUDIO) && defined(ALC_LOOPBACK_CAPTURE_SAMPLES)
void Audio::getEchoesToFilter(AudioFilterer* filterer, int samples)
{
#ifdef ALC_LOOPBACK_CAPTURE_SAMPLES
QMutexLocker locker(&d->audioLock);
ALint samples;
alcGetIntegerv(Audio::getInstance().alOutDev, ALC_LOOPBACK_CAPTURE_SAMPLES, sizeof(samples), &samples);
if (samples >= framesize)
alcGetIntegerv(&d->alOutDev, ALC_LOOPBACK_CAPTURE_SAMPLES, sizeof(samples), &samples);
if (samples >= samples)
{
int16_t buf[framesize];
alcCaptureSamplesLoopback(Audio::getInstance().alOutDev, buf, framesize);
filterer->passAudioOutput(buf, framesize);
int16_t buf[samples];
alcCaptureSamplesLoopback(&d->alOutDev, buf, samples);
filterer->passAudioOutput(buf, samples);
filterer->setEchoDelayMs(5); // This 5ms is configurable I believe
}
#else
Q_UNUSED(filterer);
Q_UNUSED(framesize);
#endif
}
#endif

5
src/audio/audio.h
View File

@ -82,9 +82,8 @@ public:
static void playGroupAudioQueued(void *, int group, int peer, const int16_t* data,
unsigned samples, uint8_t channels, unsigned sample_rate, void*);
#ifdef QTOX_FILTER_AUDIO
static void getEchoesToFilter(AudioFilterer* filter, int framesize);
// is a null op #ifndef ALC_LOOPBACK_CAPTURE_SAMPLES
#if defined(QTOX_FILTER_AUDIO) && defined(ALC_LOOPBACK_CAPTURE_SAMPLES)
void getEchoesToFilter(AudioFilterer* filter, int samples);
#endif
public slots:

12
src/core/coreav.cpp
View File

@ -263,9 +263,11 @@ bool CoreAV::sendCallAudio(uint32_t callId)
call.filterer = new AudioFilterer();
call.filterer->startFilter(AUDIO_SAMPLE_RATE);
}
// is a null op #ifndef ALC_LOOPBACK_CAPTURE_SAMPLES
Audio::getEchoesToFilter(call.filterer, AUDIO_FRAME_SAMPLE_COUNT * AUDIO_CHANNELS);
#ifdef ALC_LOOPBACK_CAPTURE_SAMPLES
// compatibility with older versions of OpenAL
Audio::getInstance().getEchoesToFilter(call.filterer, AUDIO_FRAME_SAMPLE_COUNT * AUDIO_CHANNELS);
#endif
call.filterer->filterAudio(buf, AUDIO_FRAME_SAMPLE_COUNT * AUDIO_CHANNELS);
}
else if (call.filterer)
@ -413,10 +415,10 @@ bool CoreAV::sendGroupCallAudio(int groupId)
call.filterer = new AudioFilterer();
call.filterer->startFilter(AUDIO_SAMPLE_RATE);
}
// is a null op #ifndef ALC_LOOPBACK_CAPTURE_SAMPLES
Audio::getEchoesToFilter(call.filterer, AUDIO_FRAME_SAMPLE_COUNT);
call.filterer->filterAudio(buf, AUDIO_FRAME_SAMPLE_COUNT * AUDIO_CHANNELS);
#ifdef ALC_LOOPBACK_CAPTURE_SAMPLES
Audio::getInstance().getEchoesToFilter(call.filterer, AUDIO_FRAME_SAMPLE_COUNT);
#endif
}
else if (call.filterer)
{