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Diffstat (limited to 'libkmid/alsaout.h')
| -rw-r--r-- | libkmid/alsaout.h | 231 |
1 files changed, 0 insertions, 231 deletions
diff --git a/libkmid/alsaout.h b/libkmid/alsaout.h deleted file mode 100644 index fd4a46579..000000000 --- a/libkmid/alsaout.h +++ /dev/null @@ -1,231 +0,0 @@ -/* alsaout.cc - class AlsaOut which represents an alsa client/port pair - This file is part of LibKMid 0.9.5 - Copyright (C) 1997,98,99,2000 Antonio Larrosa Jimenez - LibKMid's homepage : http://www.arrakis.es/~rlarrosa/libkmid.html - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public - License as published by the Free Software Foundation; either - version 2 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public License - along with this library; see the file COPYING.LIB. If not, write to - the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. - - Send comments and bug fixes to Antonio Larrosa <larrosa@kde.org> - -***************************************************************************/ -#ifndef _ALSAOUT_H -#define _ALSAOUT_H - -#include <libkmid/midiout.h> - -struct snd_seq_event; -typedef struct snd_seq_event snd_seq_event_t; - -/** - * @short Sends MIDI events to a MIDI devices using ALSA - * @version 0.9.5 17/01/2000 - * @author Antonio Larrosa Jimenez <larrosa@kde.org> - */ -class AlsaOut : public MidiOut -{ - friend class DeviceManager; - - protected: - -/** - * @internal - * Total number of devices. - */ - int ndevs; - -/** - * @internal - * Total number of midi ports - */ - int nmidiports; - - double count; - double lastcount; - double lasttime; - double begintime; - int m_rate; - -/** - * @internal - * A "constant" used to convert from milliseconds to the computer rate - */ - double convertrate; - - long int time; - - virtual void seqbuf_dump (void); - virtual void seqbuf_clean(void); - void eventInit(snd_seq_event_t *ev); - void eventSend(snd_seq_event_t *ep); - void timerEventSend(int type); - - public: - - /** - * Constructor. After constructing a MidiOut device, you must open it - * (using openDev() ). Additionally you may want to initialize it - * (with initDev() ), - */ - AlsaOut(int d, int client=64, int port=0, const char *cname="", const char *pname=""); - - /** - * Destructor. It doesn't matter if you close the device ( closeDev() ) - * before you destruct the object because in other case, it will be closed - * here. - */ - virtual ~AlsaOut(); - - /** - * Opens the device. This is generally called from DeviceManager , so you - * shouldn't call this yourself (except if you created the MidiOut object - * yourself. - * @param sqfd a file descriptor of /dev/sequencer - * @see closeDev - * @see initDev - */ - virtual void openDev (int sqfd); - - /** - * Closes the device. It basically tells the device (the file descriptor) - * is going to be closed. - * @see openDev - */ - virtual void closeDev (); - - /** - * Initializes the device sending generic standard midi events and controllers, - * such as changing the patches of each channel to an Acoustic Piano (000), - * setting the volume to a normal value, etc. - */ - virtual void initDev (); - - /** - * @return the device type of the object. This is to identify the - * inherited class that a given object is polymorphed to. - * The returned value is one of these : - * - * @li KMID_EXTERNAL_MIDI if it's a MidiOut object - * @li KMID_SYNTH if it's a SynthOut object (as an AWE device) - * @li KMID_FM if it's a FMOut object - * @li KMID_GUS if it's a GUSOut object - * - * which are defined in midispec.h - * - * @see deviceName - */ - int deviceType () const { return devicetype; } - - /** - * Returns the name and type of this MIDI device. - * @see deviceType - */ - virtual const char * deviceName (void) const; - - /** - * @internal - */ - int rate (void) { return m_rate; } - - /** - * See DeviceManager::noteOn() - */ - virtual void noteOn ( uchar chn, uchar note, uchar vel ); - - /** - * See DeviceManager::noteOff() - */ - virtual void noteOff ( uchar chn, uchar note, uchar vel ); - - /** - * See DeviceManager::keyPressure() - */ - virtual void keyPressure ( uchar chn, uchar note, uchar vel ); - - /** - * See DeviceManager::chnPatchChange() - */ - virtual void chnPatchChange ( uchar chn, uchar patch ); - - /** - * See DeviceManager::chnPressure() - */ - virtual void chnPressure ( uchar chn, uchar vel ); - - /** - * See DeviceManager::chnPitchBender() - */ - virtual void chnPitchBender ( uchar chn, uchar lsb, uchar msb ); - - /** - * See DeviceManager::chnController() - */ - virtual void chnController ( uchar chn, uchar ctl , uchar v ); - - /** - * See DeviceManager::sysex() - */ - virtual void sysex ( uchar *data,ulong size); - - /** - * Mutes all notes being played on a given channel. - */ - virtual void channelSilence ( uchar chn ); - - /** - * Mute or "unmute" a given channel . - * @param chn channel to work on - * @param b if true, the device will ignore subsequent notes played on the chn - * channel, and mute all notes being played on it. If b is false, the channel - * is back to work. - */ - virtual void channelMute ( uchar chn, int b ); - - /** - * Change all channel volume events multiplying it by this percentage correction - * Instead of forcing a channel to a fixed volume, this method allows to - * music to fade out even when it was being played softly. - * @param volper is an integer value, where 0 is quiet, 100 is used to send - * an unmodified value, 200 play music twice louder than it should, etc. - */ - virtual void setVolumePercentage ( int volper ) - { volumepercentage = volper; } - - /** - * Returns true if everything's ok and false if there has been any problem - */ - int ok (void) - { if (seqfd<0) return 0; - return (_ok>0); - } - - virtual void wait (double ticks); - virtual void tmrSetTempo (int v); - virtual void tmrStart (int tpcn); - virtual void tmrStart () { tmrStart(-1); } - virtual void tmrStop (); - virtual void tmrContinue (); - /** - * @internal - * If i==1 syncronizes by cleaning the buffer instead of sending it (in fact, - * this is what synchronizing really means :-) ) - */ - void sync (int i=0); - - class AlsaOutPrivate; - AlsaOutPrivate *di; -}; - -#endif // _ALSAOUT_H |