slapin/qtmultimedia
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Added volume control for QAudioOutput & QAudioInput (alsa)

Browse Source 
QTBUG-25454

- Added update to docs on volume control.
- Added internal volume adjustment for alsa implementation.
- Enabled float sample option in QAudioDeviceInfo (alsa).

Change-Id: I6b89fc8beb457d71be9ad71b538c86a008570f07
Reviewed-by: Michael Goddard <michael.goddard@nokia.com>
Reviewed-by: Kurt Korbatits  <kurt.korbatits@nokia.com>
This commit is contained in:
Kurt Korbatits
2012-07-06 09:56:38 +10:00
committed by Qt by Nokia
parent 8c12864361
commit 1ac9318645
10 changed files with 252 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/multimedia/audio/qaudiodeviceinfo_alsa_p.cpp
View File

@@ -286,6 +286,11 @@ bool QAudioDeviceInfoInternal::testSettings(const QAudioFormat& format) const
err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_U32_LE);
else if(format.byteOrder() == QAudioFormat::BigEndian)
err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_U32_BE);
} else if (format.sampleType() == QAudioFormat::Float) {
if (format.byteOrder() == QAudioFormat::LittleEndian)
err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_FLOAT_LE);
else if (format.byteOrder() == QAudioFormat::BigEndian)
err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_FLOAT_BE);
}
}
@@ -344,6 +349,11 @@ bool QAudioDeviceInfoInternal::testSettings(const QAudioFormat& format) const
err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_U32_LE);
else if(format.byteOrder() == QAudioFormat::BigEndian)
err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_U32_BE);
} else if (format.sampleType() == QAudioFormat::Float) {
if (format.byteOrder() == QAudioFormat::LittleEndian)
err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_FLOAT_LE);
else if (format.byteOrder() == QAudioFormat::BigEndian)
err = snd_pcm_hw_params_set_format(handle,params,SND_PCM_FORMAT_FLOAT_BE);
}
}
if(err>=0) {