Initial copy of QtMultimediaKit.

Comes from original repo, with SHA1: 2c82d5611655e5967f5c5095af50c0991c4378b2
2011-06-29 13:38:46 +10:00
commit 2a34e88c1e
1048 changed files with 206259 additions and 0 deletions
--- a/src/plugins/audiocapture/audiocapturesession.h
+++ b/src/plugins/audiocapture/audiocapturesession.h
@@ -0,0 +1,152 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef AUDIOCAPTURESESSION_H
+#define AUDIOCAPTURESESSION_H
+
+#include <QFile>
+#include <QUrl>
+#include <QDir>
+
+#include "audioencodercontrol.h"
+#include "audioendpointselector.h"
+#include "audiomediarecordercontrol.h"
+
+#include <qaudioformat.h>
+#include <qaudioinput.h>
+#include <qaudiodeviceinfo.h>
+
+QT_USE_NAMESPACE
+
+class AudioCaptureSession : public QObject
+{
+    Q_OBJECT
+
+public:
+    AudioCaptureSession(QObject *parent = 0);
+    ~AudioCaptureSession();
+
+    QAudioFormat format() const;
+    QAudioDeviceInfo* deviceInfo() const;
+    bool isFormatSupported(const QAudioFormat &format) const;
+    bool setFormat(const QAudioFormat &format);
+    QStringList supportedContainers() const;
+    QString containerMimeType() const;
+    void setContainerMimeType(const QString &formatMimeType);
+    QString containerDescription(const QString &formatMimeType) const;
+
+    QUrl outputLocation() const;
+    bool setOutputLocation(const QUrl& sink);
+    qint64 position() const;
+    int state() const;
+    void record();
+    void pause();
+    void stop();
+
+public slots:
+    void setCaptureDevice(const QString &deviceName);
+
+signals:
+    void stateChanged(QMediaRecorder::State state);
+    void positionChanged(qint64 position);
+    void error(int error, const QString &errorString);
+
+private slots:
+    void stateChanged(QAudio::State state);
+    void notify();
+
+private:
+    QDir defaultDir() const;
+    QString generateFileName(const QDir &dir, const QString &ext) const;
+
+    QFile file;
+    QString m_captureDevice;
+    QUrl m_sink;
+    QUrl m_actualSink;
+    QMediaRecorder::State m_state;
+    QAudioInput *m_audioInput;
+    QAudioDeviceInfo *m_deviceInfo;
+    QAudioFormat m_format;
+    qint64 m_position;
+    bool wavFile;
+
+    // WAV header stuff
+
+    struct chunk
+    {
+        char        id[4];
+        quint32     size;
+    };
+
+    struct RIFFHeader
+    {
+        chunk       descriptor;
+        char        type[4];
+    };
+
+    struct WAVEHeader
+    {
+        chunk       descriptor;
+        quint16     audioFormat;        // PCM = 1
+        quint16     numChannels;
+        quint32     sampleRate;
+        quint32     byteRate;
+        quint16     blockAlign;
+        quint16     bitsPerSample;
+    };
+
+    struct DATAHeader
+    {
+        chunk       descriptor;
+//        quint8      data[];
+    };
+
+    struct CombinedHeader
+    {
+        RIFFHeader  riff;
+        WAVEHeader  wave;
+        DATAHeader  data;
+    };
+
+    CombinedHeader      header;
+};
+
+#endif