Added old KDE3 version of kradio

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/kradio@1094417 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 296 insertions, 0 deletions

diff --git a/kradio3/plugins/alsa-sound/alsa-sound.h b/kradio3/plugins/alsa-sound/alsa-sound.h
new file mode 100644
index 0000000..93a9fc8
--- /dev/null
+++ b/kradio3/plugins/alsa-sound/alsa-sound.h
@@ -0,0 +1,296 @@
+/***************************************************************************
+                          alsa-sound.h  -  description
+                             -------------------
+    begin                : Thu May 26 2005
+    copyright            : (C) 2005 by Martin Witte
+    email                : witte@kawo1.rwth-aachen.de
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   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 <qobject.h>
+#include <qtimer.h>
+#include <alsa/asoundlib.h>
+
+enum DUPLEX_MODE { DUPLEX_UNKNOWN, DUPLEX_FULL, DUPLEX_HALF };
+
+
+struct SoundStreamConfig
+{
+    SoundStreamConfig()
+        : m_ActiveMode(false),
+          m_Channel(QString::null),
+          m_Volume(-1),
+          m_Muted(false)
+       {}
+
+    SoundStreamConfig(const QString &_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;
+    QString        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 QObject,
+                        public PluginBase,
+                        public ISoundStreamClient
+{
+Q_OBJECT
+
+public:
+    AlsaSoundDevice (const QString &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 QString pluginClassName() const { return "AlsaSoundDevice"; }
+
+    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
+
+public:
+    static
+    void getPlaybackMixerChannels(int card, snd_mixer_t *mixer_handle,
+                                  QStringList &retval, QMap<QString, AlsaMixerElement> &int2id);
+    static
+    void getCaptureMixerChannels (int card, snd_mixer_t *mixer_handle,
+                                  QStringList &vol_list, QMap<QString, AlsaMixerElement> &vol_ch2id,
+                                  QStringList &sw_list,  QMap<QString, AlsaMixerElement> &sw_ch2id,
+                                  QStringList *all_list = NULL);
+
+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;
+
+    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 QMap<QString, 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 QMap<QString, AlsaConfigMixerSetting> &map);
+
+protected slots:
+
+    void   slotPollPlayback();
+    void   slotPollCapture();
+
+signals:
+
+    void   sigUpdateConfig();
+
+protected:
+//     bool   event(QEvent *_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, QTimer *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, QTimer *timer);
+
+    void   checkMixerVolume(SoundStreamID id);
+    float  readPlaybackMixerVolume(const QString &channel, bool &muted) const;
+    float  readCaptureMixerVolume(const QString &channel) const;
+    bool   writePlaybackMixerVolume(const QString &channel, float &vol, bool muted);
+    bool   writeCaptureMixerVolume(const QString &channel, float &vol);
+    bool   writeCaptureMixerSwitch(const QString &channel, bool capture);
+
+    void   selectCaptureChannel (const QString &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;
+
+    QStringList     m_PlaybackChannels,
+                    m_CaptureChannels,
+                    m_CaptureChannelsSwitch;
+
+    QMap<QString, AlsaMixerElement> m_PlaybackChannels2ID,
+                                    m_CaptureChannels2ID,
+                                    m_CaptureChannelsSwitch2ID;
+
+    QMap<SoundStreamID, SoundStreamConfig>
+                    m_PlaybackStreams,
+                    m_CaptureStreams;
+
+    QValueList<SoundStreamID>
+                    m_PassivePlaybackStreams;
+    SoundStreamID   m_PlaybackStreamID,
+                    m_CaptureStreamID;
+
+    size_t          m_HWBufferSize;
+    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_PlaybackPollingTimer;
+    QTimer          m_CapturePollingTimer;
+
+//     AlsaCaptureThread  *m_captureThread;
+
+    QMap<QString, AlsaConfigMixerSetting> m_CaptureMixerSettings;
+
+};
+
+
+
+#endif