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-rw-r--r--src/multimedia/audio/qaudio_symbian_p.cpp25
-rw-r--r--src/multimedia/audio/qaudio_symbian_p.h15
-rw-r--r--src/multimedia/audio/qaudioinput_symbian_p.cpp30
-rw-r--r--src/multimedia/audio/qaudiooutput_symbian_p.cpp45
4 files changed, 73 insertions, 42 deletions
diff --git a/src/multimedia/audio/qaudio_symbian_p.cpp b/src/multimedia/audio/qaudio_symbian_p.cpp
index ae58b94..59fc05f 100644
--- a/src/multimedia/audio/qaudio_symbian_p.cpp
+++ b/src/multimedia/audio/qaudio_symbian_p.cpp
@@ -313,7 +313,8 @@ QAudio::State stateNativeToQt(State nativeState)
return QAudio::ActiveState;
case IdleState:
return QAudio::IdleState;
- case SuspendedState:
+ case SuspendedPausedState:
+ case SuspendedStoppedState:
return QAudio::SuspendedState;
default:
Q_ASSERT_X(false, Q_FUNC_INFO, "Invalid state");
@@ -476,10 +477,22 @@ bool DevSoundWrapper::start()
return (KErrNone == err);
}
-void DevSoundWrapper::pause()
+bool DevSoundWrapper::pause()
{
Q_ASSERT(StateInitialized == m_state);
- m_devsound->Pause();
+ const bool canPause = isResumeSupported();
+ if (canPause)
+ m_devsound->Pause();
+ else
+ stop();
+ return canPause;
+}
+
+void DevSoundWrapper::resume()
+{
+ Q_ASSERT(StateInitialized == m_state);
+ Q_ASSERT(isResumeSupported());
+ // TODO: QTBUG-13625
}
void DevSoundWrapper::stop()
@@ -558,6 +571,12 @@ void DevSoundWrapper::populateCapabilities()
}
}
+bool DevSoundWrapper::isResumeSupported() const
+{
+ // TODO: QTBUG-13625
+ return false;
+}
+
void DevSoundWrapper::InitializeComplete(TInt aError)
{
Q_ASSERT(StateInitializing == m_state);
diff --git a/src/multimedia/audio/qaudio_symbian_p.h b/src/multimedia/audio/qaudio_symbian_p.h
index 58ef192..84a93d1 100644
--- a/src/multimedia/audio/qaudio_symbian_p.h
+++ b/src/multimedia/audio/qaudio_symbian_p.h
@@ -81,7 +81,10 @@ enum State {
, InitializingState
, ActiveState
, IdleState
- , SuspendedState
+ // QAudio is suspended; DevSound is paused
+ , SuspendedPausedState
+ // QAudio is suspended; DevSound is stopped
+ , SuspendedStoppedState
};
/**
@@ -117,7 +120,14 @@ public:
int samplesProcessed() const;
bool setFormat(const QAudioFormat &format);
bool start();
- void pause();
+
+ // If DevSound implementation supports pause, calls pause and returns true.
+ // Otherwise calls stop and returns false. In this case, all DevSound buffers
+ // currently held by the backend must be discarded.
+ bool pause();
+
+ void resume();
+
void stop();
void bufferProcessed();
@@ -140,6 +150,7 @@ signals:
private:
void getSupportedCodecs();
void populateCapabilities();
+ bool isResumeSupported() const;
private:
const QAudio::Mode m_mode;
diff --git a/src/multimedia/audio/qaudioinput_symbian_p.cpp b/src/multimedia/audio/qaudioinput_symbian_p.cpp
index b837055..485c695 100644
--- a/src/multimedia/audio/qaudioinput_symbian_p.cpp
+++ b/src/multimedia/audio/qaudioinput_symbian_p.cpp
@@ -174,22 +174,30 @@ void QAudioInputPrivate::suspend()
|| SymbianAudio::IdleState == m_internalState) {
m_notifyTimer->stop();
m_pullTimer->stop();
- m_devSound->pause();
const qint64 samplesRecorded = getSamplesRecorded();
m_totalSamplesRecorded += samplesRecorded;
- m_devSoundBuffer = 0;
- m_devSoundBufferQ.clear();
- m_devSoundBufferPos = 0;
-
- setState(SymbianAudio::SuspendedState);
+ const bool paused = m_devSound->pause();
+ if (paused) {
+ if (m_devSoundBuffer)
+ m_devSoundBufferQ.append(m_devSoundBuffer);
+ m_devSoundBuffer = 0;
+ setState(SymbianAudio::SuspendedPausedState);
+ } else {
+ m_devSoundBuffer = 0;
+ m_devSoundBufferQ.clear();
+ m_devSoundBufferPos = 0;
+ setState(SymbianAudio::SuspendedStoppedState);
+ }
}
}
void QAudioInputPrivate::resume()
{
- if (SymbianAudio::SuspendedState == m_internalState) {
- if (!m_pullMode && !bytesReady())
+ if (QAudio::SuspendedState == m_externalState) {
+ if (SymbianAudio::SuspendedPausedState == m_internalState)
+ m_devSound->resume();
+ else
m_devSound->start();
startDataTransfer();
}
@@ -245,7 +253,7 @@ int QAudioInputPrivate::notifyInterval() const
qint64 QAudioInputPrivate::processedUSecs() const
{
int samplesPlayed = 0;
- if (m_devSound && SymbianAudio::SuspendedState != m_internalState)
+ if (m_devSound && QAudio::SuspendedState != m_externalState)
samplesPlayed = getSamplesRecorded();
// Protect against division by zero
@@ -334,7 +342,7 @@ void QAudioInputPrivate::startDataTransfer()
if (!m_pullMode)
pushData();
} else {
- if (SymbianAudio::SuspendedState == m_internalState)
+ if (QAudio::SuspendedState == m_externalState)
setState(SymbianAudio::ActiveState);
else
setState(SymbianAudio::IdleState);
@@ -442,7 +450,7 @@ void QAudioInputPrivate::devsoundBufferToBeEmptied(CMMFBuffer *baseBuffer)
m_totalBytesReady += buffer->Data().Length();
- if (SymbianAudio::SuspendedState == m_internalState) {
+ if (SymbianAudio::SuspendedPausedState == m_internalState) {
m_devSoundBufferQ.append(buffer);
} else {
// Will be returned to DevSoundWrapper by bufferProcessed().
diff --git a/src/multimedia/audio/qaudiooutput_symbian_p.cpp b/src/multimedia/audio/qaudiooutput_symbian_p.cpp
index cc32f9d..ea14e19 100644
--- a/src/multimedia/audio/qaudiooutput_symbian_p.cpp
+++ b/src/multimedia/audio/qaudiooutput_symbian_p.cpp
@@ -180,40 +180,33 @@ void QAudioOutputPrivate::suspend()
|| SymbianAudio::IdleState == m_internalState) {
m_notifyTimer->stop();
m_underflowTimer->stop();
-
const qint64 samplesWritten = SymbianAudio::Utils::bytesToSamples(
m_format, m_bytesWritten);
-
const qint64 samplesPlayed = getSamplesPlayed();
-
- m_bytesWritten = 0;
-
- // CMMFDevSound::Pause() is not guaranteed to work correctly in all
- // implementations, for play-mode DevSound sessions. We therefore
- // have to implement suspend() by calling CMMFDevSound::Stop().
- // Because this causes buffered data to be dropped, we replace the
- // lost data with silence following a call to resume(), in order to
- // ensure that processedUSecs() returns the correct value.
- m_devSound->stop();
- m_devSoundBuffer = 0;
m_totalSamplesPlayed += samplesPlayed;
-
- // Calculate the amount of data dropped
- const qint64 paddingSamples = samplesWritten - samplesPlayed;
- Q_ASSERT(paddingSamples >= 0);
- m_bytesPadding = SymbianAudio::Utils::samplesToBytes(m_format,
- paddingSamples);
-
- setState(SymbianAudio::SuspendedState);
+ m_bytesWritten = 0;
+ const bool paused = m_devSound->pause();
+ if (paused) {
+ setState(SymbianAudio::SuspendedPausedState);
+ } else {
+ m_devSoundBuffer = 0;
+ // Calculate the amount of data dropped
+ const qint64 paddingSamples = samplesWritten - samplesPlayed;
+ Q_ASSERT(paddingSamples >= 0);
+ m_bytesPadding = SymbianAudio::Utils::samplesToBytes(m_format,
+ paddingSamples);
+ setState(SymbianAudio::SuspendedStoppedState);
+ }
}
}
void QAudioOutputPrivate::resume()
{
- if (SymbianAudio::SuspendedState == m_internalState) {
- if (!m_pullMode && m_devSoundBuffer)
- bufferFilled();
- startPlayback();
+ if (QAudio::SuspendedState == m_externalState) {
+ if (SymbianAudio::SuspendedPausedState == m_internalState)
+ m_devSound->resume();
+ else
+ startPlayback();
}
}
@@ -271,7 +264,7 @@ int QAudioOutputPrivate::notifyInterval() const
qint64 QAudioOutputPrivate::processedUSecs() const
{
int samplesPlayed = 0;
- if (m_devSound && SymbianAudio::SuspendedState != m_internalState)
+ if (m_devSound && QAudio::SuspendedState != m_externalState)
samplesPlayed = getSamplesPlayed();
// Protect against division by zero
generated by cgit v0.12 at 2025-01-02 21:58:12 (GMT)