diff options
Diffstat (limited to 'src/multimedia/audio/qaudio_symbian_p.cpp')
| -rw-r--r-- | src/multimedia/audio/qaudio_symbian_p.cpp | 357 |
1 files changed, 293 insertions, 64 deletions
diff --git a/src/multimedia/audio/qaudio_symbian_p.cpp b/src/multimedia/audio/qaudio_symbian_p.cpp index afe98f5..4522c5c 100644 --- a/src/multimedia/audio/qaudio_symbian_p.cpp +++ b/src/multimedia/audio/qaudio_symbian_p.cpp @@ -45,41 +45,6 @@ QT_BEGIN_NAMESPACE namespace SymbianAudio { - -DevSoundCapabilities::DevSoundCapabilities(CMMFDevSound &devsound, - QAudio::Mode mode) -{ - QT_TRAP_THROWING(constructL(devsound, mode)); -} - -DevSoundCapabilities::~DevSoundCapabilities() -{ - m_fourCC.Close(); -} - -void DevSoundCapabilities::constructL(CMMFDevSound &devsound, - QAudio::Mode mode) -{ - m_caps = devsound.Capabilities(); - - TMMFPrioritySettings settings; - - switch (mode) { - case QAudio::AudioOutput: - settings.iState = EMMFStatePlaying; - devsound.GetSupportedInputDataTypesL(m_fourCC, settings); - break; - - case QAudio::AudioInput: - settings.iState = EMMFStateRecording; - devsound.GetSupportedInputDataTypesL(m_fourCC, settings); - break; - - default: - Q_ASSERT_X(false, Q_FUNC_INFO, "Invalid mode"); - } -} - namespace Utils { //----------------------------------------------------------------------------- @@ -274,11 +239,8 @@ bool sampleInfoQtToNative(int inputSampleSize, return found; } -//----------------------------------------------------------------------------- -// Public functions -//----------------------------------------------------------------------------- - -void capabilitiesNativeToQt(const DevSoundCapabilities &caps, +void capabilitiesNativeToQt(const TMMFCapabilities &caps, + const TFourCC &fourcc, QList<int> &frequencies, QList<int> &channels, QList<int> &sampleSizes, @@ -292,37 +254,20 @@ void capabilitiesNativeToQt(const DevSoundCapabilities &caps, channels.clear(); for (int i=0; i<SampleRateCount; ++i) - if (caps.caps().iRate & SampleRateListNative[i]) + if (caps.iRate & SampleRateListNative[i]) frequencies += SampleRateListQt[i]; for (int i=0; i<ChannelsCount; ++i) - if (caps.caps().iChannels & ChannelsListNative[i]) + if (caps.iChannels & ChannelsListNative[i]) channels += ChannelsListQt[i]; for (int i=0; i<EncodingCount; ++i) { - if (caps.fourCC().Find(EncodingFourCC[i]) != KErrNotFound) { + if (fourcc == EncodingFourCC[i]) { sampleSizes += EncodingSampleSize[i]; byteOrders += EncodingByteOrder[i]; sampleTypes += EncodingSampleType[i]; } } - -} - -bool isFormatSupported(const QAudioFormat &formatQt, - const DevSoundCapabilities &caps) { - TMMFCapabilities formatNative; - TUint32 fourCC; - - bool result = false; - if (formatQt.codec() == QString::fromAscii("audio/pcm") && - formatQtToNative(formatQt, fourCC, formatNative)) { - result = - (formatNative.iRate & caps.caps().iRate) - && (formatNative.iChannels & caps.caps().iChannels) - && (caps.fourCC().Find(fourCC) != KErrNotFound); - } - return result; } bool formatQtToNative(const QAudioFormat &inputFormat, @@ -337,7 +282,7 @@ bool formatQtToNative(const QAudioFormat &inputFormat, TMMFMonoStereo outputChannels; TMMFSoundEncoding outputEncoding; - if (inputFormat.codec() == QString::fromAscii("audio/pcm")) { + if (inputFormat.codec() == QLatin1String("audio/pcm")) { result = sampleRateQtToNative(inputFormat.frequency(), outputSampleRate) && channelsQtToNative(inputFormat.channels(), outputChannels) @@ -357,14 +302,13 @@ bool formatQtToNative(const QAudioFormat &inputFormat, return result; } -QAudio::State stateNativeToQt(State nativeState, - QAudio::State initializingState) +QAudio::State stateNativeToQt(State nativeState) { switch (nativeState) { case ClosedState: return QAudio::StoppedState; case InitializingState: - return initializingState; + return QAudio::StoppedState; case ActiveState: return QAudio::ActiveState; case IdleState: @@ -388,6 +332,291 @@ qint64 samplesToBytes(const QAudioFormat &format, qint64 samples) } } // namespace Utils + + +//----------------------------------------------------------------------------- +// DevSoundWrapper +//----------------------------------------------------------------------------- + +DevSoundWrapper::DevSoundWrapper(QAudio::Mode mode, QObject *parent) + : QObject(parent) + , m_mode(mode) + , m_state(StateIdle) + , m_devsound(0) + , m_fourcc(0) +{ + QT_TRAP_THROWING(m_devsound = CMMFDevSound::NewL()); + + switch (mode) { + case QAudio::AudioOutput: + m_nativeMode = EMMFStatePlaying; + break; + + case QAudio::AudioInput: + m_nativeMode = EMMFStateRecording; + break; + + default: + Q_ASSERT_X(false, Q_FUNC_INFO, "Invalid mode"); + } + + getSupportedCodecs(); +} + +DevSoundWrapper::~DevSoundWrapper() +{ + delete m_devsound; +} + +const QList<QString>& DevSoundWrapper::supportedCodecs() const +{ + return m_supportedCodecs; +} + +void DevSoundWrapper::initialize(const QString& codec) +{ + Q_ASSERT(StateInitializing != m_state); + m_state = StateInitializing; + if (QLatin1String("audio/pcm") == codec) { + m_fourcc = KMMFFourCCCodePCM16; + TRAPD(err, m_devsound->InitializeL(*this, m_fourcc, m_nativeMode)); + if (KErrNone != err) { + m_state = StateIdle; + emit initializeComplete(err); + } + } else { + emit initializeComplete(KErrNotSupported); + } +} + +const QList<int>& DevSoundWrapper::supportedFrequencies() const +{ + Q_ASSERT(StateInitialized == m_state); + return m_supportedFrequencies; +} + +const QList<int>& DevSoundWrapper::supportedChannels() const +{ + Q_ASSERT(StateInitialized == m_state); + return m_supportedChannels; +} + +const QList<int>& DevSoundWrapper::supportedSampleSizes() const +{ + Q_ASSERT(StateInitialized == m_state); + return m_supportedSampleSizes; +} + +const QList<QAudioFormat::Endian>& DevSoundWrapper::supportedByteOrders() const +{ + Q_ASSERT(StateInitialized == m_state); + return m_supportedByteOrders; +} + +const QList<QAudioFormat::SampleType>& DevSoundWrapper::supportedSampleTypes() const +{ + Q_ASSERT(StateInitialized == m_state); + return m_supportedSampleTypes; +} + +bool DevSoundWrapper::isFormatSupported(const QAudioFormat &format) const +{ + Q_ASSERT(StateInitialized == m_state); + return m_supportedCodecs.contains(format.codec()) + && m_supportedFrequencies.contains(format.frequency()) + && m_supportedChannels.contains(format.channels()) + && m_supportedSampleSizes.contains(format.sampleSize()) + && m_supportedSampleTypes.contains(format.sampleType()) + && m_supportedByteOrders.contains(format.byteOrder()); +} + +int DevSoundWrapper::samplesProcessed() const +{ + Q_ASSERT(StateInitialized == m_state); + int result = 0; + switch (m_mode) { + case QAudio::AudioInput: + result = m_devsound->SamplesRecorded(); + break; + case QAudio::AudioOutput: + result = m_devsound->SamplesPlayed(); + break; + } + return result; +} + +bool DevSoundWrapper::setFormat(const QAudioFormat &format) +{ + Q_ASSERT(StateInitialized == m_state); + bool result = false; + TUint32 fourcc; + TMMFCapabilities nativeFormat; + if (Utils::formatQtToNative(format, fourcc, nativeFormat)) { + TMMFCapabilities currentNativeFormat = m_devsound->Config(); + nativeFormat.iBufferSize = currentNativeFormat.iBufferSize; + TRAPD(err, m_devsound->SetConfigL(nativeFormat)); + result = (KErrNone == err); + } + return result; +} + +bool DevSoundWrapper::start() +{ + Q_ASSERT(StateInitialized == m_state); + int err = KErrArgument; + switch (m_mode) { + case QAudio::AudioInput: + TRAP(err, m_devsound->RecordInitL()); + break; + case QAudio::AudioOutput: + TRAP(err, m_devsound->PlayInitL()); + break; + } + return (KErrNone == err); +} + +void DevSoundWrapper::pause() +{ + Q_ASSERT(StateInitialized == m_state); + m_devsound->Pause(); +} + +void DevSoundWrapper::stop() +{ + m_devsound->Stop(); +} + +void DevSoundWrapper::bufferProcessed() +{ + Q_ASSERT(StateInitialized == m_state); + switch (m_mode) { + case QAudio::AudioInput: + m_devsound->RecordData(); + break; + case QAudio::AudioOutput: + m_devsound->PlayData(); + break; + } +} + +void DevSoundWrapper::getSupportedCodecs() +{ +/* + * TODO: once we support formats other than PCM, this function should + * convert the array of FourCC codes into MIME types for each codec. + * + RArray<TFourCC> fourcc; + QT_TRAP_THROWING(CleanupClosePushL(&fourcc)); + + TMMFPrioritySettings settings; + switch (mode) { + case QAudio::AudioOutput: + settings.iState = EMMFStatePlaying; + m_devsound->GetSupportedInputDataTypesL(fourcc, settings); + break; + + case QAudio::AudioInput: + settings.iState = EMMFStateRecording; + m_devsound->GetSupportedInputDataTypesL(fourcc, settings); + break; + + default: + Q_ASSERT_X(false, Q_FUNC_INFO, "Invalid mode"); + } + + CleanupStack::PopAndDestroy(); // fourcc +*/ + + m_supportedCodecs.append(QLatin1String("audio/pcm")); +} + +void DevSoundWrapper::populateCapabilities() +{ + m_supportedFrequencies.clear(); + m_supportedChannels.clear(); + m_supportedSampleSizes.clear(); + m_supportedByteOrders.clear(); + m_supportedSampleTypes.clear(); + + const TMMFCapabilities caps = m_devsound->Capabilities(); + + for (int i=0; i<Utils::SampleRateCount; ++i) + if (caps.iRate & Utils::SampleRateListNative[i]) + m_supportedFrequencies += Utils::SampleRateListQt[i]; + + for (int i=0; i<Utils::ChannelsCount; ++i) + if (caps.iChannels & Utils::ChannelsListNative[i]) + m_supportedChannels += Utils::ChannelsListQt[i]; + + for (int i=0; i<Utils::EncodingCount; ++i) { + if (m_fourcc == Utils::EncodingFourCC[i]) { + m_supportedSampleSizes += Utils::EncodingSampleSize[i]; + m_supportedByteOrders += Utils::EncodingByteOrder[i]; + m_supportedSampleTypes += Utils::EncodingSampleType[i]; + } + } +} + +void DevSoundWrapper::InitializeComplete(TInt aError) +{ + Q_ASSERT(StateInitializing == m_state); + if (KErrNone == aError) { + m_state = StateInitialized; + populateCapabilities(); + } else { + m_state = StateIdle; + } + emit initializeComplete(aError); +} + +void DevSoundWrapper::ToneFinished(TInt aError) +{ + Q_UNUSED(aError) + // This class doesn't use DevSound's tone playback functions, so should + // never receive this callback. + Q_ASSERT_X(false, Q_FUNC_INFO, "Unexpected callback"); +} + +void DevSoundWrapper::BufferToBeFilled(CMMFBuffer *aBuffer) +{ + Q_ASSERT(QAudio::AudioOutput == m_mode); + emit bufferToBeProcessed(aBuffer); +} + +void DevSoundWrapper::PlayError(TInt aError) +{ + Q_ASSERT(QAudio::AudioOutput == m_mode); + emit processingError(aError); +} + +void DevSoundWrapper::BufferToBeEmptied(CMMFBuffer *aBuffer) +{ + Q_ASSERT(QAudio::AudioInput == m_mode); + emit bufferToBeProcessed(aBuffer); +} + +void DevSoundWrapper::RecordError(TInt aError) +{ + Q_ASSERT(QAudio::AudioInput == m_mode); + emit processingError(aError); +} + +void DevSoundWrapper::ConvertError(TInt aError) +{ + Q_UNUSED(aError) + // This class doesn't use DevSound's format conversion functions, so + // should never receive this callback. + Q_ASSERT_X(false, Q_FUNC_INFO, "Unexpected callback"); +} + +void DevSoundWrapper::DeviceMessage(TUid aMessageType, const TDesC8 &aMsg) +{ + Q_UNUSED(aMessageType) + Q_UNUSED(aMsg) + // Ignore this callback. +} + + } // namespace SymbianAudio QT_END_NAMESPACE |