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| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists for the convenience |
| // of other Qt classes. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| |
| #ifndef QALSAAUDIODEVICEINFO_H |
| #define QALSAAUDIODEVICEINFO_H |
| |
| #include <alsa/asoundlib.h> |
| |
| #include <QtCore/qbytearray.h> |
| #include <QtCore/qstringlist.h> |
| #include <QtCore/qlist.h> |
| #include <QtCore/qdebug.h> |
| |
| #include <QtMultimedia/qaudio.h> |
| #include <QtMultimedia/qaudiodeviceinfo.h> |
| #include <QtMultimedia/qaudiosystem.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| const unsigned int MAX_SAMPLE_RATES = 5; |
| const unsigned int SAMPLE_RATES[] = |
| { 8000, 11025, 22050, 44100, 48000 }; |
| |
| class QAlsaAudioDeviceInfo : public QAbstractAudioDeviceInfo |
| { |
| Q_OBJECT |
| public: |
| QAlsaAudioDeviceInfo(const QByteArray &dev,QAudio::Mode mode); |
| ~QAlsaAudioDeviceInfo(); |
| |
| bool testSettings(const QAudioFormat& format) const; |
| void updateLists(); |
| QAudioFormat preferredFormat() const; |
| bool isFormatSupported(const QAudioFormat& format) const; |
| QString deviceName() const; |
| QStringList supportedCodecs(); |
| QList<int> supportedSampleRates(); |
| QList<int> supportedChannelCounts(); |
| QList<int> supportedSampleSizes(); |
| QList<QAudioFormat::Endian> supportedByteOrders(); |
| QList<QAudioFormat::SampleType> supportedSampleTypes(); |
| static QByteArray defaultDevice(QAudio::Mode mode); |
| static QList<QByteArray> availableDevices(QAudio::Mode); |
| static QString deviceFromCardName(const QString &card); |
| |
| private: |
| bool open(); |
| void close(); |
| |
| void checkSurround(); |
| bool surround40; |
| bool surround51; |
| bool surround71; |
| |
| QString device; |
| QAudio::Mode mode; |
| QAudioFormat nearest; |
| QList<int> sampleRatez; |
| QList<int> channelz; |
| QList<int> sizez; |
| QList<QAudioFormat::Endian> byteOrderz; |
| QStringList codecz; |
| QList<QAudioFormat::SampleType> typez; |
| snd_pcm_t* handle; |
| snd_pcm_hw_params_t *params; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| |
| #endif // QALSAAUDIODEVICEINFO_H |