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/***************************************************************************
alsa-sound.h - description
-------------------
begin : Thu May 26 2005
copyright : (C) 2005 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_ALSA_SOUND_H
#define _KRADIO_ALSA_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 "alsa-config-mixer-setting.h"
#include <tqobject.h>
#include <tqtimer.h>
#include <alsa/asoundlib.h>
enum DUPLEX_MODE { DUPLEX_UNKNOWN, DUPLEX_FULL, DUPLEX_HALF };
struct SoundStreamConfig
{
SoundStreamConfig()
: m_ActiveMode(false),
m_Channel(TQString()),
m_Volume(-1),
m_Muted(false)
{}
SoundStreamConfig(const TQString &_channel, bool active_mode = true)
: m_ActiveMode(active_mode),
m_Channel(_channel),
m_Volume(-1),
m_Muted(false)
{}
SoundStreamConfig(const SoundStreamConfig &c)
: m_ActiveMode(c.m_ActiveMode),
m_Channel(c.m_Channel),
m_Volume(c.m_Volume),
m_Muted(c.m_Muted)
{}
bool m_ActiveMode;
TQString m_Channel;
float m_Volume;
bool m_Muted;
};
class AlsaCaptureThread;
class AlsaMixerElement
{
public:
AlsaMixerElement() { snd_mixer_selem_id_malloc(&m_ID); }
AlsaMixerElement(snd_mixer_selem_id_t *id) { snd_mixer_selem_id_malloc(&m_ID); snd_mixer_selem_id_copy(m_ID, id) ; }
AlsaMixerElement(const AlsaMixerElement &x) { snd_mixer_selem_id_malloc(&m_ID); snd_mixer_selem_id_copy(m_ID, x.m_ID); }
~AlsaMixerElement() { snd_mixer_selem_id_free (m_ID); }
operator snd_mixer_selem_id_t *&() { return m_ID; }
AlsaMixerElement &operator = (const AlsaMixerElement &x) { snd_mixer_selem_id_copy(m_ID, x.m_ID); return *this; }
protected:
snd_mixer_selem_id_t *m_ID;
};
class AlsaSoundDevice : public TQObject,
public PluginBase,
public ISoundStreamClient
{
Q_OBJECT
public:
AlsaSoundDevice (const TQString &name);
virtual ~AlsaSoundDevice ();
virtual bool connectI(Interface *i);
virtual bool disconnectI(Interface *i);
// PluginBase
public:
virtual void saveState (KConfig *) const;
virtual void restoreState (KConfig *);
virtual TQString pluginClassName() const { return "AlsaSoundDevice"; }
virtual const TQString &name() const { return PluginBase::name(); }
virtual TQString &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 TQString &channel, bool active_mode, bool start_immediately);
bool prepareCapture(SoundStreamID id, const TQString &channel);
bool releasePlayback(SoundStreamID id);
bool releaseCapture(SoundStreamID id);
ANSWERS:
bool supportsPlayback() const;
bool supportsCapture() const;
TQString getSoundStreamClientDescription() const;
// ISoundStreamClient: mixer access
public:
static
void getPlaybackMixerChannels(int card, snd_mixer_t *mixer_handle,
TQStringList &retval, TQMap<TQString, AlsaMixerElement> &int2id);
static
void getCaptureMixerChannels (int card, snd_mixer_t *mixer_handle,
TQStringList &vol_list, TQMap<TQString, AlsaMixerElement> &vol_ch2id,
TQStringList &sw_list, TQMap<TQString, AlsaMixerElement> &sw_ch2id,
TQStringList *all_list = NULL);
ANSWERS:
const TQStringList &getPlaybackChannels() const;
const TQStringList &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;
bool mute (SoundStreamID id, bool mute);
bool unmute (SoundStreamID id, bool unmute);
bool isMuted(SoundStreamID id, bool &m) 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 getHWBufferSize() const { return m_HWBufferSize; }
int getBufferSize() const { return m_BufferSize; }
bool isPlaybackEnabled() const { return m_EnablePlayback; }
bool isCaptureEnabled() const { return m_EnableCapture; }
int getPlaybackCard() const { return m_PlaybackCard; }
int getPlaybackDevice() const { return m_PlaybackDevice; }
int getCaptureCard() const { return m_CaptureCard; }
int getCaptureDevice() const { return m_CaptureDevice; }
const TQMap<TQString, AlsaConfigMixerSetting> &
getCaptureMixerSettings() const { return m_CaptureMixerSettings; }
void setHWBufferSize(int s);
void setBufferSize(int s);
void enablePlayback(bool on);
void enableCapture(bool on);
void setPlaybackDevice(int card, int device);
void setCaptureDevice(int card, int device);
void setCaptureMixerSettings(const TQMap<TQString, AlsaConfigMixerSetting> &map);
protected slots:
void slotPollPlayback();
void slotPollCapture();
signals:
void sigUpdateConfig();
protected:
// bool event(TQEvent *_e);
bool openAlsaDevice(snd_pcm_t *&alsa_handle, SoundFormat &format, const char *pcm_name, snd_pcm_stream_t stream, int flags, unsigned &latency);
bool openPlaybackDevice (const SoundFormat &format, bool reopen = false);
bool openCaptureDevice (const SoundFormat &format, bool reopen = false);
bool closePlaybackDevice(bool force = false);
bool closeCaptureDevice (bool force = false);
bool openPlaybackMixerDevice (bool reopen = false);
bool openCaptureMixerDevice (bool reopen = false);
static bool openMixerDevice(snd_mixer_t *&mixer_handle, int card, bool reopen, TQTimer *timer, int timer_latency);
bool closeCaptureMixerDevice (bool force = false);
bool closePlaybackMixerDevice(bool force = false);
static bool closeMixerDevice(snd_mixer_t *&mixer_handle, int card, SoundStreamID id, snd_pcm_t *pcm_handle, bool force, TQTimer *timer);
void checkMixerVolume(SoundStreamID id);
float readPlaybackMixerVolume(const TQString &channel, bool &muted) const;
float readCaptureMixerVolume(const TQString &channel) const;
bool writePlaybackMixerVolume(const TQString &channel, float &vol, bool muted);
bool writeCaptureMixerVolume(const TQString &channel, float &vol);
bool writeCaptureMixerSwitch(const TQString &channel, bool capture);
void selectCaptureChannel (const TQString &channel);
/* ALSA HANDLES */
snd_pcm_t *m_hPlayback;
snd_pcm_t *m_hCapture;
snd_mixer_t *m_hPlaybackMixer;
snd_mixer_t *m_hCaptureMixer;
SoundFormat m_PlaybackFormat;
SoundFormat m_CaptureFormat;
int m_PlaybackCard;
int m_PlaybackDevice;
int m_CaptureCard;
int m_CaptureDevice;
unsigned m_PlaybackLatency;
unsigned m_CaptureLatency;
TQStringList m_PlaybackChannels,
m_CaptureChannels,
m_CaptureChannelsSwitch;
TQMap<TQString, AlsaMixerElement> m_PlaybackChannels2ID,
m_CaptureChannels2ID,
m_CaptureChannelsSwitch2ID;
TQMap<SoundStreamID, SoundStreamConfig>
m_PlaybackStreams,
m_CaptureStreams;
TQValueList<SoundStreamID>
m_PassivePlaybackStreams;
SoundStreamID m_PlaybackStreamID,
m_CaptureStreamID;
size_t m_HWBufferSize;
size_t m_BufferSize;
RingBuffer m_PlaybackBuffer,
m_CaptureBuffer;
unsigned m_CaptureRequestCounter;
TQ_UINT64 m_CapturePos;
time_t m_CaptureStartTime;
size_t //m_PlaybackSkipCount,
m_CaptureSkipCount;
bool m_EnablePlayback,
m_EnableCapture;
TQTimer m_PlaybackPollingTimer;
TQTimer m_CapturePollingTimer;
// AlsaCaptureThread *m_captureThread;
TQMap<TQString, AlsaConfigMixerSetting> m_CaptureMixerSettings;
};
#endif
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