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/***************************************************************************
oss-sound.h - description
-------------------
begin : Sun Mar 21 2004
copyright : (C) 2004 by Martin Witte
email : [email protected]
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef _KRADIO_OSS_SOUND_H
#define _KRADIO_OSS_SOUND_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "../../src/include/ringbuffer.h"
#include "../../src/include/plugins.h"
#include "../../src/include/soundstreamclient_interfaces.h"
#include <qobject.h>
#include <qtimer.h>
enum DUPLEX_MODE { DUPLEX_UNKNOWN, DUPLEX_FULL, DUPLEX_HALF };
struct SoundStreamConfig
{
SoundStreamConfig()
: m_ActiveMode(false),
m_Channel(-1),
m_Volume(-1)
{}
SoundStreamConfig(int _channel, bool active_mode = true)
: m_ActiveMode(active_mode),
m_Channel(_channel),
m_Volume(-1)
{}
SoundStreamConfig(const SoundStreamConfig &c)
: m_ActiveMode(c.m_ActiveMode),
m_Channel(c.m_Channel),
m_Volume(c.m_Volume)
{}
bool m_ActiveMode;
int m_Channel;
float m_Volume;
};
class OSSSoundDevice : public QObject,
public PluginBase,
public ISoundStreamClient
{
Q_OBJECT
public:
OSSSoundDevice (const QString &name);
virtual ~OSSSoundDevice ();
virtual bool connectI(Interface *i);
virtual bool disconnectI(Interface *i);
// PluginBase
public:
virtual void saveState (KConfig *) const;
virtual void restoreState (KConfig *);
virtual QString pluginClassName() const { return "OSSSoundDevice"; }
virtual const QString &name() const { return PluginBase::name(); }
virtual QString &name() { return PluginBase::name(); }
virtual ConfigPageInfo createConfigurationPage();
virtual AboutPageInfo createAboutPage();
// ISoundStreamClient: direct device access
RECEIVERS:
void noticeConnectedI (ISoundStreamServer *s, bool pointer_valid);
bool preparePlayback(SoundStreamID id, const QString &channel, bool active_mode, bool start_immediately);
bool prepareCapture(SoundStreamID id, const QString &channel);
bool releasePlayback(SoundStreamID id);
bool releaseCapture(SoundStreamID id);
ANSWERS:
bool supportsPlayback() const;
bool supportsCapture() const;
QString getSoundStreamClientDescription() const;
// ISoundStreamClient: mixer access
protected:
void getMixerChannels(int query_playback_or_rec_mask, QStringList &retval, QMap<QString, int> &revmap) const;
ANSWERS:
const QStringList &getPlaybackChannels() const;
const QStringList &getCaptureChannels() const;
RECEIVERS:
bool setPlaybackVolume(SoundStreamID id, float volume);
bool setCaptureVolume(SoundStreamID id, float volume);
bool getPlaybackVolume(SoundStreamID id, float &volume) const;
bool getCaptureVolume(SoundStreamID id, float &volume) const;
// ISoundStreamClient: generic broadcasts
RECEIVERS:
bool startPlayback(SoundStreamID id);
bool pausePlayback(SoundStreamID id);
bool stopPlayback(SoundStreamID id);
bool isPlaybackRunning(SoundStreamID id, bool &b) const;
bool startCaptureWithFormat(SoundStreamID id,
const SoundFormat &proposed_format,
SoundFormat &real_format,
bool force_format);
bool stopCapture(SoundStreamID id);
bool isCaptureRunning(SoundStreamID id, bool &b, SoundFormat &sf) const;
bool noticeSoundStreamClosed(SoundStreamID id);
bool noticeSoundStreamRedirected(SoundStreamID oldID, SoundStreamID newID);
bool noticeSoundStreamData(SoundStreamID id,
const SoundFormat &,
const char *data, size_t size, size_t &consumed_size,
const SoundMetaData &md
);
// Config Access
int getBufferSize() const { return m_BufferSize; }
bool isPlaybackEnabled() const { return m_EnablePlayback; }
bool isCaptureEnabled() const { return m_EnableCapture; }
const QString &getDSPDeviceName() const { return m_DSPDeviceName; }
const QString &getMixerDeviceName() const { return m_MixerDeviceName; }
void setBufferSize(int s);
void enablePlayback(bool on);
void enableCapture(bool on);
void setDSPDeviceName(const QString &s);
void setMixerDeviceName(const QString &dev_name);
// own functions
static int getOSSFormat(const SoundFormat &f);
protected slots:
void slotPoll();
signals:
void sigUpdateConfig();
protected:
bool openDSPDevice(const SoundFormat &format, bool reopen = false);
bool closeDSPDevice(bool force = false);
bool openMixerDevice(bool reopen = false);
bool closeMixerDevice(bool force = false);
void checkMixerVolume(SoundStreamID id);
float readMixerVolume(int channel) const;
float writeMixerVolume(int channel, float vol);
void selectCaptureChannel (int channel);
QString m_DSPDeviceName,
m_MixerDeviceName;
int m_DSP_fd,
m_Mixer_fd;
DUPLEX_MODE m_DuplexMode;
SoundFormat m_DSPFormat;
QStringList m_PlaybackChannels,
m_CaptureChannels;
QMap<QString, int> m_revPlaybackChannels,
m_revCaptureChannels;
QMap<SoundStreamID, SoundStreamConfig>
m_PlaybackStreams,
m_CaptureStreams;
QValueList<SoundStreamID>
m_PassivePlaybackStreams;
SoundStreamID m_PlaybackStreamID,
m_CaptureStreamID;
size_t m_BufferSize;
RingBuffer m_PlaybackBuffer,
m_CaptureBuffer;
unsigned m_CaptureRequestCounter;
Q_UINT64 m_CapturePos;
time_t m_CaptureStartTime;
size_t //m_PlaybackSkipCount,
m_CaptureSkipCount;
bool m_EnablePlayback,
m_EnableCapture;
QTimer m_PollingTimer;
};
#endif
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