diff options
Diffstat (limited to 'src/multimedia/audio/qaudioinput_alsa_p.cpp')
-rw-r--r-- | src/multimedia/audio/qaudioinput_alsa_p.cpp | 35 |
1 files changed, 21 insertions, 14 deletions
diff --git a/src/multimedia/audio/qaudioinput_alsa_p.cpp b/src/multimedia/audio/qaudioinput_alsa_p.cpp index f36ffc8..46c4392 100644 --- a/src/multimedia/audio/qaudioinput_alsa_p.cpp +++ b/src/multimedia/audio/qaudioinput_alsa_p.cpp @@ -57,6 +57,8 @@ QT_BEGIN_NAMESPACE //#define DEBUG_AUDIO 1 +static const int minimumIntervalTime = 50; + QAudioInputPrivate::QAudioInputPrivate(const QByteArray &device, const QAudioFormat& audioFormat): settings(audioFormat) { @@ -248,6 +250,7 @@ bool QAudioInputPrivate::open() qDebug()<<now.second()<<"s "<<now.msec()<<"ms :open()"; #endif timeStamp.restart(); + elapsedTimeOffset = 0; int dir; int err=-1; @@ -283,69 +286,69 @@ bool QAudioInputPrivate::open() err = snd_pcm_hw_params_any( handle, hwparams ); if ( err < 0 ) { fatal = true; - errMessage = QString(tr("QAudioInput: snd_pcm_hw_params_any: err = %1")).arg(err); + errMessage = QString::fromLatin1("QAudioInput: snd_pcm_hw_params_any: err = %1").arg(err); } if ( !fatal ) { err = snd_pcm_hw_params_set_rate_resample( handle, hwparams, 1 ); if ( err < 0 ) { fatal = true; - errMessage = QString(tr("QAudioInput: snd_pcm_hw_params_set_rate_resample: err = %1")).arg(err); + errMessage = QString::fromLatin1("QAudioInput: snd_pcm_hw_params_set_rate_resample: err = %1").arg(err); } } if ( !fatal ) { err = snd_pcm_hw_params_set_access( handle, hwparams, access ); if ( err < 0 ) { fatal = true; - errMessage = QString(tr("QAudioInput: snd_pcm_hw_params_set_access: err = %1")).arg(err); + errMessage = QString::fromLatin1("QAudioInput: snd_pcm_hw_params_set_access: err = %1").arg(err); } } if ( !fatal ) { err = setFormat(); if ( err < 0 ) { fatal = true; - errMessage = QString(tr("QAudioInput: snd_pcm_hw_params_set_format: err = %1")).arg(err); + errMessage = QString::fromLatin1("QAudioInput: snd_pcm_hw_params_set_format: err = %1").arg(err); } } if ( !fatal ) { err = snd_pcm_hw_params_set_channels( handle, hwparams, (unsigned int)settings.channels() ); if ( err < 0 ) { fatal = true; - errMessage = QString(tr("QAudioInput: snd_pcm_hw_params_set_channels: err = %1")).arg(err); + errMessage = QString::fromLatin1("QAudioInput: snd_pcm_hw_params_set_channels: err = %1").arg(err); } } if ( !fatal ) { err = snd_pcm_hw_params_set_rate_near( handle, hwparams, &freakuency, 0 ); if ( err < 0 ) { fatal = true; - errMessage = QString(tr("QAudioInput: snd_pcm_hw_params_set_rate_near: err = %1")).arg(err); + errMessage = QString::fromLatin1("QAudioInput: snd_pcm_hw_params_set_rate_near: err = %1").arg(err); } } if ( !fatal ) { err = snd_pcm_hw_params_set_buffer_time_near(handle, hwparams, &buffer_time, &dir); if ( err < 0 ) { fatal = true; - errMessage = QString(tr("QAudioInput: snd_pcm_hw_params_set_buffer_time_near: err = %1")).arg(err); + errMessage = QString::fromLatin1("QAudioInput: snd_pcm_hw_params_set_buffer_time_near: err = %1").arg(err); } } if ( !fatal ) { err = snd_pcm_hw_params_set_period_time_near(handle, hwparams, &period_time, &dir); if ( err < 0 ) { fatal = true; - errMessage = QString(tr("QAudioInput: snd_pcm_hw_params_set_period_time_near: err = %1")).arg(err); + errMessage = QString::fromLatin1("QAudioInput: snd_pcm_hw_params_set_period_time_near: err = %1").arg(err); } } if ( !fatal ) { err = snd_pcm_hw_params_set_periods_near(handle, hwparams, &chunks, &dir); if ( err < 0 ) { fatal = true; - errMessage = QString(tr("QAudioInput: snd_pcm_hw_params_set_periods_near: err = %1")).arg(err); + errMessage = QString::fromLatin1("QAudioInput: snd_pcm_hw_params_set_periods_near: err = %1").arg(err); } } if ( !fatal ) { err = snd_pcm_hw_params(handle, hwparams); if ( err < 0 ) { fatal = true; - errMessage = QString(tr("QAudioInput: snd_pcm_hw_params: err = %1")).arg(err); + errMessage = QString::fromLatin1("QAudioInput: snd_pcm_hw_params: err = %1").arg(err); } } if( err < 0) { @@ -443,7 +446,7 @@ qint64 QAudioInputPrivate::read(char* data, qint64 len) if (readFrames >= 0) { err = snd_pcm_frames_to_bytes(handle, readFrames); #ifdef DEBUG_AUDIO - qDebug()<<QString(tr("PULL: read in bytes = %1 (frames=%2)")).arg(err).arg(readFrames).toLatin1().constData(); + qDebug()<<QString::fromLatin1("PULL: read in bytes = %1 (frames=%2)").arg(err).arg(readFrames).toLatin1().constData(); #endif break; } else if((readFrames == -EAGAIN) || (readFrames == -EINTR)) { @@ -531,7 +534,10 @@ int QAudioInputPrivate::periodSize() const void QAudioInputPrivate::setNotifyInterval(int ms) { - intervalTime = ms; + if(ms >= minimumIntervalTime) + intervalTime = ms; + else + intervalTime = minimumIntervalTime; } int QAudioInputPrivate::notifyInterval() const @@ -579,8 +585,9 @@ bool QAudioInputPrivate::deviceReady() if(deviceState != QAudio::ActiveState) return true; - if(timeStamp.elapsed() > intervalTime && intervalTime > 50) { + if((timeStamp.elapsed() + elapsedTimeOffset) > intervalTime) { emit notify(); + elapsedTimeOffset = timeStamp.elapsed() + elapsedTimeOffset - intervalTime; timeStamp.restart(); } return true; @@ -650,7 +657,7 @@ qint64 InputPrivate::readData( char* data, qint64 len) if (readFrames >= 0) { err = snd_pcm_frames_to_bytes(audioDevice->handle, readFrames); #ifdef DEBUG_AUDIO - qDebug()<<QString(tr("PUSH: read in bytes = %1 (frames=%2)")).arg(err).arg(readFrames).toLatin1().constData(); + qDebug()<<QString::fromLatin1("PUSH: read in bytes = %1 (frames=%2)").arg(err).arg(readFrames).toLatin1().constData(); #endif break; } else if((readFrames == -EAGAIN) || (readFrames == -EINTR)) { |