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297 lines
10 KiB
297 lines
10 KiB
15 years ago
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/***************************************************************************
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alsa-sound.h - description
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-------------------
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begin : Thu May 26 2005
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copyright : (C) 2005 by Martin Witte
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email : witte@kawo1.rwth-aachen.de
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef _KRADIO_ALSA_SOUND_H
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#define _KRADIO_ALSA_SOUND_H
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "../../src/include/ringbuffer.h"
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#include "../../src/include/plugins.h"
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#include "../../src/include/soundstreamclient_interfaces.h"
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#include "alsa-config-mixer-setting.h"
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#include <qobject.h>
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#include <qtimer.h>
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#include <alsa/asoundlib.h>
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enum DUPLEX_MODE { DUPLEX_UNKNOWN, DUPLEX_FULL, DUPLEX_HALF };
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struct SoundStreamConfig
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{
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SoundStreamConfig()
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: m_ActiveMode(false),
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m_Channel(QString::null),
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m_Volume(-1),
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m_Muted(false)
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{}
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SoundStreamConfig(const QString &_channel, bool active_mode = true)
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: m_ActiveMode(active_mode),
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m_Channel(_channel),
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m_Volume(-1),
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m_Muted(false)
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{}
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SoundStreamConfig(const SoundStreamConfig &c)
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: m_ActiveMode(c.m_ActiveMode),
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m_Channel(c.m_Channel),
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m_Volume(c.m_Volume),
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m_Muted(c.m_Muted)
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{}
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bool m_ActiveMode;
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QString m_Channel;
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float m_Volume;
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bool m_Muted;
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};
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class AlsaCaptureThread;
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class AlsaMixerElement
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{
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public:
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AlsaMixerElement() { snd_mixer_selem_id_malloc(&m_ID); }
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AlsaMixerElement(snd_mixer_selem_id_t *id) { snd_mixer_selem_id_malloc(&m_ID); snd_mixer_selem_id_copy(m_ID, id) ; }
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AlsaMixerElement(const AlsaMixerElement &x) { snd_mixer_selem_id_malloc(&m_ID); snd_mixer_selem_id_copy(m_ID, x.m_ID); }
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~AlsaMixerElement() { snd_mixer_selem_id_free (m_ID); }
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operator snd_mixer_selem_id_t *&() { return m_ID; }
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AlsaMixerElement &operator = (const AlsaMixerElement &x) { snd_mixer_selem_id_copy(m_ID, x.m_ID); return *this; }
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protected:
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snd_mixer_selem_id_t *m_ID;
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};
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class AlsaSoundDevice : public QObject,
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public PluginBase,
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public ISoundStreamClient
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{
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Q_OBJECT
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public:
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AlsaSoundDevice (const QString &name);
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virtual ~AlsaSoundDevice ();
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virtual bool connectI(Interface *i);
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virtual bool disconnectI(Interface *i);
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// PluginBase
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public:
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virtual void saveState (KConfig *) const;
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virtual void restoreState (KConfig *);
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virtual QString pluginClassName() const { return "AlsaSoundDevice"; }
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virtual const QString &name() const { return PluginBase::name(); }
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virtual QString &name() { return PluginBase::name(); }
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virtual ConfigPageInfo createConfigurationPage();
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virtual AboutPageInfo createAboutPage();
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// ISoundStreamClient: direct device access
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RECEIVERS:
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void noticeConnectedI (ISoundStreamServer *s, bool pointer_valid);
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bool preparePlayback(SoundStreamID id, const QString &channel, bool active_mode, bool start_immediately);
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bool prepareCapture(SoundStreamID id, const QString &channel);
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bool releasePlayback(SoundStreamID id);
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bool releaseCapture(SoundStreamID id);
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ANSWERS:
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bool supportsPlayback() const;
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bool supportsCapture() const;
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QString getSoundStreamClientDescription() const;
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// ISoundStreamClient: mixer access
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public:
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static
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void getPlaybackMixerChannels(int card, snd_mixer_t *mixer_handle,
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QStringList &retval, QMap<QString, AlsaMixerElement> &int2id);
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static
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void getCaptureMixerChannels (int card, snd_mixer_t *mixer_handle,
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QStringList &vol_list, QMap<QString, AlsaMixerElement> &vol_ch2id,
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QStringList &sw_list, QMap<QString, AlsaMixerElement> &sw_ch2id,
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QStringList *all_list = NULL);
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ANSWERS:
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const QStringList &getPlaybackChannels() const;
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const QStringList &getCaptureChannels() const;
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RECEIVERS:
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bool setPlaybackVolume(SoundStreamID id, float volume);
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bool setCaptureVolume(SoundStreamID id, float volume);
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bool getPlaybackVolume(SoundStreamID id, float &volume) const;
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bool getCaptureVolume(SoundStreamID id, float &volume) const;
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bool mute (SoundStreamID id, bool mute);
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bool unmute (SoundStreamID id, bool unmute);
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bool isMuted(SoundStreamID id, bool &m) const;
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// ISoundStreamClient: generic broadcasts
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RECEIVERS:
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bool startPlayback(SoundStreamID id);
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bool pausePlayback(SoundStreamID id);
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bool stopPlayback(SoundStreamID id);
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bool isPlaybackRunning(SoundStreamID id, bool &b) const;
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bool startCaptureWithFormat(SoundStreamID id,
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const SoundFormat &proposed_format,
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SoundFormat &real_format,
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bool force_format);
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bool stopCapture(SoundStreamID id);
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bool isCaptureRunning(SoundStreamID id, bool &b, SoundFormat &sf) const;
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bool noticeSoundStreamClosed(SoundStreamID id);
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bool noticeSoundStreamRedirected(SoundStreamID oldID, SoundStreamID newID);
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bool noticeSoundStreamData(SoundStreamID id,
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const SoundFormat &,
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const char *data, size_t size, size_t &consumed_size,
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const SoundMetaData &md
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);
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// Config Access
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int getHWBufferSize() const { return m_HWBufferSize; }
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int getBufferSize() const { return m_BufferSize; }
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bool isPlaybackEnabled() const { return m_EnablePlayback; }
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bool isCaptureEnabled() const { return m_EnableCapture; }
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int getPlaybackCard() const { return m_PlaybackCard; }
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int getPlaybackDevice() const { return m_PlaybackDevice; }
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int getCaptureCard() const { return m_CaptureCard; }
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int getCaptureDevice() const { return m_CaptureDevice; }
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const QMap<QString, AlsaConfigMixerSetting> &
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getCaptureMixerSettings() const { return m_CaptureMixerSettings; }
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void setHWBufferSize(int s);
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void setBufferSize(int s);
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void enablePlayback(bool on);
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void enableCapture(bool on);
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void setPlaybackDevice(int card, int device);
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void setCaptureDevice(int card, int device);
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void setCaptureMixerSettings(const QMap<QString, AlsaConfigMixerSetting> &map);
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protected slots:
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void slotPollPlayback();
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void slotPollCapture();
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signals:
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void sigUpdateConfig();
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protected:
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// bool event(QEvent *_e);
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bool openAlsaDevice(snd_pcm_t *&alsa_handle, SoundFormat &format, const char *pcm_name, snd_pcm_stream_t stream, int flags, unsigned &latency);
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bool openPlaybackDevice (const SoundFormat &format, bool reopen = false);
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bool openCaptureDevice (const SoundFormat &format, bool reopen = false);
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bool closePlaybackDevice(bool force = false);
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bool closeCaptureDevice (bool force = false);
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bool openPlaybackMixerDevice (bool reopen = false);
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bool openCaptureMixerDevice (bool reopen = false);
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static bool openMixerDevice(snd_mixer_t *&mixer_handle, int card, bool reopen, QTimer *timer, int timer_latency);
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bool closeCaptureMixerDevice (bool force = false);
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bool closePlaybackMixerDevice(bool force = false);
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static bool closeMixerDevice(snd_mixer_t *&mixer_handle, int card, SoundStreamID id, snd_pcm_t *pcm_handle, bool force, QTimer *timer);
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void checkMixerVolume(SoundStreamID id);
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float readPlaybackMixerVolume(const QString &channel, bool &muted) const;
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float readCaptureMixerVolume(const QString &channel) const;
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bool writePlaybackMixerVolume(const QString &channel, float &vol, bool muted);
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bool writeCaptureMixerVolume(const QString &channel, float &vol);
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bool writeCaptureMixerSwitch(const QString &channel, bool capture);
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void selectCaptureChannel (const QString &channel);
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/* ALSA HANDLES */
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snd_pcm_t *m_hPlayback;
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snd_pcm_t *m_hCapture;
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snd_mixer_t *m_hPlaybackMixer;
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snd_mixer_t *m_hCaptureMixer;
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SoundFormat m_PlaybackFormat;
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SoundFormat m_CaptureFormat;
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int m_PlaybackCard;
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int m_PlaybackDevice;
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int m_CaptureCard;
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int m_CaptureDevice;
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unsigned m_PlaybackLatency;
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unsigned m_CaptureLatency;
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QStringList m_PlaybackChannels,
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m_CaptureChannels,
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m_CaptureChannelsSwitch;
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QMap<QString, AlsaMixerElement> m_PlaybackChannels2ID,
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m_CaptureChannels2ID,
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m_CaptureChannelsSwitch2ID;
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QMap<SoundStreamID, SoundStreamConfig>
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m_PlaybackStreams,
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m_CaptureStreams;
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QValueList<SoundStreamID>
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m_PassivePlaybackStreams;
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SoundStreamID m_PlaybackStreamID,
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m_CaptureStreamID;
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size_t m_HWBufferSize;
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size_t m_BufferSize;
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RingBuffer m_PlaybackBuffer,
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m_CaptureBuffer;
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unsigned m_CaptureRequestCounter;
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Q_UINT64 m_CapturePos;
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time_t m_CaptureStartTime;
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size_t //m_PlaybackSkipCount,
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m_CaptureSkipCount;
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bool m_EnablePlayback,
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m_EnableCapture;
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QTimer m_PlaybackPollingTimer;
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QTimer m_CapturePollingTimer;
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// AlsaCaptureThread *m_captureThread;
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QMap<QString, AlsaConfigMixerSetting> m_CaptureMixerSettings;
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};
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#endif
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