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audiotoolbox: fix uint format mapping

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wang-bin
2016-02-11 21:17:38 +08:00
parent 438f43bab3
commit 7bfb0bb32c
1 changed files with 8 additions and 3 deletions
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src/output/audio/AudioOutputAudioToolbox.cpp
+8 -3
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@@ -36,6 +36,7 @@ class AudioOutputAudioToolbox Q_DECL_FINAL: public AudioOutputBackend
public:
AudioOutputAudioToolbox(QObject *parent = 0);
QString name() const Q_DECL_OVERRIDE { return QLatin1String(kName);}
bool isSupported(AudioFormat::SampleFormat smpfmt) const Q_DECL_OVERRIDE;
bool open() Q_DECL_OVERRIDE;
bool close() Q_DECL_OVERRIDE;
//bool flush() Q_DECL_OVERRIDE;
@@ -43,7 +44,6 @@ public:
void onCallback() Q_DECL_OVERRIDE;
bool write(const QByteArray& data) Q_DECL_OVERRIDE;
bool play() Q_DECL_OVERRIDE;
private:
static void outCallback(void* inUserData, AudioQueueRef inAQ, AudioQueueBufferRef inBuffer);
void tryPauseTimeline();
@@ -82,11 +82,11 @@ FACTORY_REGISTER(AudioOutputBackend, AudioToolbox, kName)
static AudioStreamBasicDescription audioFormatToAT(const AudioFormat &format)
{
// AudioQueue only supports interleave
AudioStreamBasicDescription desc;
desc.mSampleRate = format.sampleRate();
desc.mFormatID = kAudioFormatLinearPCM;
desc.mFormatFlags = kLinearPCMFormatFlagIsSignedInteger|kAudioFormatFlagIsPacked; // TODO: float, endian
// FIXME: unsigned int
desc.mFormatFlags = kAudioFormatFlagIsPacked; // TODO: kAudioFormatFlagIsPacked?
if (format.isFloat())
desc.mFormatFlags |= kAudioFormatFlagIsFloat;
else if (!format.isUnsigned())
@@ -152,6 +152,11 @@ void AudioOutputAudioToolbox::tryPauseTimeline()
}
}
bool AudioOutputAudioToolbox::isSupported(AudioFormat::SampleFormat smpfmt) const
{
return !AudioFormat::isPlanar(smpfmt);
}
bool AudioOutputAudioToolbox::open()
{
m_buffer.resize(buffer_count);