Diffstat (limited to 'libopie2/opiemm/osoundsystem.cpp') (more/less context) (ignore whitespace changes)
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diff --git a/libopie2/opiemm/osoundsystem.cpp b/libopie2/opiemm/osoundsystem.cpp new file mode 100644 index 0000000..fd23bea --- a/dev/null +++ b/libopie2/opiemm/osoundsystem.cpp | |||
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1 | /* | ||
2 | This file is part of the Opie Project | ||
3 | |||
4 | (C) 2003 Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de> | ||
5 | =. | ||
6 | .=l. | ||
7 | .>+-= | ||
8 | _;:, .> :=|. This program is free software; you can | ||
9 | .> <`_, > . <= redistribute it and/or modify it under | ||
10 | :`=1 )Y*s>-.-- : the terms of the GNU Library General Public | ||
11 | .="- .-=="i, .._ License as published by the Free Software | ||
12 | - . .-<_> .<> Foundation; either version 2 of the License, | ||
13 | ._= =} : or (at your option) any later version. | ||
14 | .%`+i> _;_. | ||
15 | .i_,=:_. -<s. This program is distributed in the hope that | ||
16 | + . -:. = it will be useful, but WITHOUT ANY WARRANTY; | ||
17 | : .. .:, . . . without even the implied warranty of | ||
18 | =_ + =;=|` MERCHANTABILITY or FITNESS FOR A | ||
19 | _.=:. : :=>`: PARTICULAR PURPOSE. See the GNU | ||
20 | ..}^=.= = ; Library General Public License for more | ||
21 | ++= -. .` .: details. | ||
22 | : = ...= . :.=- | ||
23 | -. .:....=;==+<; You should have received a copy of the GNU | ||
24 | -_. . . )=. = Library General Public License along with | ||
25 | -- :-=` this library; see the file COPYING.LIB. | ||
26 | If not, write to the Free Software Foundation, | ||
27 | Inc., 59 Temple Place - Suite 330, | ||
28 | Boston, MA 02111-1307, USA. | ||
29 | |||
30 | */ | ||
31 | |||
32 | #include <opie2/osoundsystem.h> | ||
33 | |||
34 | #include <errno.h> | ||
35 | #include <fcntl.h> | ||
36 | #include <string.h> | ||
37 | #include <sys/ioctl.h> | ||
38 | #include <sys/types.h> | ||
39 | #include <sys/soundcard.h> | ||
40 | #include <sys/stat.h> | ||
41 | |||
42 | |||
43 | /*====================================================================================== | ||
44 | * OSoundSystem | ||
45 | *======================================================================================*/ | ||
46 | |||
47 | OSoundSystem* OSoundSystem::_instance = 0; | ||
48 | |||
49 | OSoundSystem::OSoundSystem() | ||
50 | { | ||
51 | qDebug( "OSoundSystem::OSoundSystem()" ); | ||
52 | synchronize(); | ||
53 | } | ||
54 | |||
55 | void OSoundSystem::synchronize() | ||
56 | { | ||
57 | // gather available interfaces by inspecting /dev | ||
58 | //FIXME: we could use SIOCGIFCONF here, but we aren't interested in virtual (e.g. eth0:0) devices | ||
59 | //FIXME: Use SIOCGIFCONF anway, because we can disable listing of aliased devices | ||
60 | |||
61 | _interfaces.clear(); | ||
62 | _interfaces.insert( "soundcard", new OSoundCard( this, "soundcard" ) ); | ||
63 | |||
64 | |||
65 | /* | ||
66 | |||
67 | |||
68 | |||
69 | |||
70 | QString str; | ||
71 | QFile f( "/dev/sound" ); | ||
72 | bool hasFile = f.open( IO_ReadOnly ); | ||
73 | if ( !hasFile ) | ||
74 | { | ||
75 | qDebug( "OSoundSystem: /dev/sound not existing. No sound devices available" ); | ||
76 | return; | ||
77 | } | ||
78 | QTextStream s( &f ); | ||
79 | s.readLine(); | ||
80 | s.readLine(); | ||
81 | while ( !s.atEnd() ) | ||
82 | { | ||
83 | s >> str; | ||
84 | str.truncate( str.find( ':' ) ); | ||
85 | qDebug( "OSoundSystem: found interface '%s'", (const char*) str ); | ||
86 | OAudioInterface* iface; | ||
87 | iface = new OAudioInterface( this, (const char*) str ); | ||
88 | |||
89 | _interfaces.insert( str, iface ); | ||
90 | s.readLine(); | ||
91 | } | ||
92 | */ | ||
93 | } | ||
94 | |||
95 | |||
96 | int OSoundSystem::count() const | ||
97 | { | ||
98 | return _interfaces.count(); | ||
99 | } | ||
100 | |||
101 | |||
102 | OSoundCard* OSoundSystem::card( const QString& iface ) const | ||
103 | { | ||
104 | return _interfaces[iface]; | ||
105 | } | ||
106 | |||
107 | |||
108 | OSoundSystem* OSoundSystem::instance() | ||
109 | { | ||
110 | if ( !_instance ) _instance = new OSoundSystem(); | ||
111 | return _instance; | ||
112 | } | ||
113 | |||
114 | |||
115 | OSoundSystem::CardIterator OSoundSystem::iterator() const | ||
116 | { | ||
117 | return OSoundSystem::CardIterator( _interfaces ); | ||
118 | } | ||
119 | |||
120 | |||
121 | /*====================================================================================== | ||
122 | * OSoundCard | ||
123 | *======================================================================================*/ | ||
124 | |||
125 | OSoundCard::OSoundCard( QObject* parent, const char* name ) | ||
126 | :QObject( parent, name ), _audio( 0 ), _mixer( 0 ) | ||
127 | { | ||
128 | qDebug( "OSoundCard::OSoundCard()" ); | ||
129 | init(); | ||
130 | } | ||
131 | |||
132 | |||
133 | OSoundCard::~OSoundCard() | ||
134 | { | ||
135 | } | ||
136 | |||
137 | |||
138 | void OSoundCard::init() | ||
139 | { | ||
140 | _audio = new OAudioInterface( this, "/dev/dsp" ); | ||
141 | _mixer = new OMixerInterface( this, "/dev/mixer" ); | ||
142 | } | ||
143 | |||
144 | |||
145 | /*====================================================================================== | ||
146 | * OAudioInterface | ||
147 | *======================================================================================*/ | ||
148 | |||
149 | OAudioInterface::OAudioInterface( QObject* parent, const char* name ) | ||
150 | :QObject( parent, name ) | ||
151 | { | ||
152 | qDebug( "OAudioInterface::OAudioInterface()" ); | ||
153 | init(); | ||
154 | } | ||
155 | |||
156 | |||
157 | OAudioInterface::~OAudioInterface() | ||
158 | { | ||
159 | } | ||
160 | |||
161 | |||
162 | void OAudioInterface::init() | ||
163 | { | ||
164 | |||
165 | |||
166 | } | ||
167 | |||
168 | |||
169 | /*====================================================================================== | ||
170 | * OMixerInterface | ||
171 | *======================================================================================*/ | ||
172 | |||
173 | OMixerInterface::OMixerInterface( QObject* parent, const char* name ) | ||
174 | :QObject( parent, name ) | ||
175 | { | ||
176 | qDebug( "OMixerInterface::OMixerInterface()" ); | ||
177 | init(); | ||
178 | } | ||
179 | |||
180 | |||
181 | OMixerInterface::~OMixerInterface() | ||
182 | { | ||
183 | } | ||
184 | |||
185 | |||
186 | void OMixerInterface::init() | ||
187 | { | ||
188 | // open the device | ||
189 | _fd = ::open( name(), O_RDWR ); | ||
190 | if ( _fd == -1 ) | ||
191 | { | ||
192 | qWarning( "can't open mixer." ); | ||
193 | return; | ||
194 | } | ||
195 | |||
196 | // construct the device capabilities | ||
197 | int devmask = 0; | ||
198 | if ( ioctl( _fd, SOUND_MIXER_READ_DEVMASK, &devmask ) != -1 ) | ||
199 | { | ||
200 | if ( devmask & ( 1 << SOUND_MIXER_VOLUME ) ) _channels.insert( "PlayVolume", SOUND_MIXER_VOLUME ); | ||
201 | if ( devmask & ( 1 << SOUND_MIXER_BASS ) ) _channels.insert( "PlayBass", SOUND_MIXER_BASS ); | ||
202 | if ( devmask & ( 1 << SOUND_MIXER_TREBLE ) ) _channels.insert( "PlayTreble", SOUND_MIXER_TREBLE ); | ||
203 | if ( devmask & ( 1 << SOUND_MIXER_SYNTH ) ) _channels.insert( "PlaySynth", SOUND_MIXER_SYNTH ); | ||
204 | if ( devmask & ( 1 << SOUND_MIXER_PCM ) ) _channels.insert( "PlayPCM", SOUND_MIXER_PCM ); | ||
205 | if ( devmask & ( 1 << SOUND_MIXER_SPEAKER ) ) _channels.insert( "PlaySpeaker", SOUND_MIXER_SPEAKER ); | ||
206 | if ( devmask & ( 1 << SOUND_MIXER_LINE ) ) _channels.insert( "PlayLine", SOUND_MIXER_LINE ); | ||
207 | if ( devmask & ( 1 << SOUND_MIXER_MIC ) ) _channels.insert( "PlayMic", SOUND_MIXER_MIC ); | ||
208 | if ( devmask & ( 1 << SOUND_MIXER_CD ) ) _channels.insert( "PlayCD", SOUND_MIXER_CD ); | ||
209 | if ( devmask & ( 1 << SOUND_MIXER_IMIX ) ) _channels.insert( "PlayInputMix", SOUND_MIXER_IMIX ); | ||
210 | if ( devmask & ( 1 << SOUND_MIXER_ALTPCM ) ) _channels.insert( "PlayAltPCM", SOUND_MIXER_ALTPCM ); | ||
211 | if ( devmask & ( 1 << SOUND_MIXER_RECLEV ) ) _channels.insert( "PlayRecord", SOUND_MIXER_RECLEV ); | ||
212 | if ( devmask & ( 1 << SOUND_MIXER_IGAIN ) ) _channels.insert( "PlayInputGain", SOUND_MIXER_IGAIN ); | ||
213 | if ( devmask & ( 1 << SOUND_MIXER_OGAIN ) ) _channels.insert( "PlayOutputGain", SOUND_MIXER_OGAIN ); | ||
214 | //qDebug( "devmask available and constructed." ); | ||
215 | } | ||
216 | |||
217 | devmask = 0; | ||
218 | if ( ioctl( _fd, SOUND_MIXER_READ_RECMASK, &devmask ) != -1 ) | ||
219 | { | ||
220 | if ( devmask & ( 1 << SOUND_MIXER_VOLUME ) ) _channels.insert( "RecVolume", SOUND_MIXER_VOLUME ); | ||
221 | if ( devmask & ( 1 << SOUND_MIXER_BASS ) ) _channels.insert( "RecBass", SOUND_MIXER_BASS ); | ||
222 | if ( devmask & ( 1 << SOUND_MIXER_TREBLE ) ) _channels.insert( "RecTreble", SOUND_MIXER_TREBLE ); | ||
223 | if ( devmask & ( 1 << SOUND_MIXER_SYNTH ) ) _channels.insert( "RecSynth", SOUND_MIXER_SYNTH ); | ||
224 | if ( devmask & ( 1 << SOUND_MIXER_PCM ) ) _channels.insert( "RecPCM", SOUND_MIXER_PCM ); | ||
225 | if ( devmask & ( 1 << SOUND_MIXER_SPEAKER ) ) _channels.insert( "RecSpeaker", SOUND_MIXER_SPEAKER ); | ||
226 | if ( devmask & ( 1 << SOUND_MIXER_LINE ) ) _channels.insert( "RecLine", SOUND_MIXER_LINE ); | ||
227 | if ( devmask & ( 1 << SOUND_MIXER_MIC ) ) _channels.insert( "RecMic", SOUND_MIXER_MIC ); | ||
228 | if ( devmask & ( 1 << SOUND_MIXER_CD ) ) _channels.insert( "RecCD", SOUND_MIXER_CD ); | ||
229 | if ( devmask & ( 1 << SOUND_MIXER_IMIX ) ) _channels.insert( "RecInputMix", SOUND_MIXER_IMIX ); | ||
230 | if ( devmask & ( 1 << SOUND_MIXER_ALTPCM ) ) _channels.insert( "RecAltPCM", SOUND_MIXER_ALTPCM ); | ||
231 | if ( devmask & ( 1 << SOUND_MIXER_RECLEV ) ) _channels.insert( "RecRecord", SOUND_MIXER_RECLEV ); | ||
232 | if ( devmask & ( 1 << SOUND_MIXER_IGAIN ) ) _channels.insert( "RecInputGain", SOUND_MIXER_IGAIN ); | ||
233 | if ( devmask & ( 1 << SOUND_MIXER_OGAIN ) ) _channels.insert( "RecOutputGain", SOUND_MIXER_OGAIN ); | ||
234 | //qDebug( "recmask available and constructed." ); | ||
235 | } | ||
236 | |||
237 | /* ChannelIterator it; | ||
238 | for ( it = _channels.begin(); it != _channels.end(); ++it ) | ||
239 | { | ||
240 | qDebug( "Channel %s available (bit %d)", (const char*) it.key(), it.data() ); | ||
241 | qDebug( " +--- Volume: %02d | %02d", volume( it.key() ) & 0xff, volume( it.key() ) >> 8 ); | ||
242 | } | ||
243 | */ | ||
244 | } | ||
245 | |||
246 | QStringList OMixerInterface::allChannels() const | ||
247 | { | ||
248 | ChannelIterator it = _channels.begin(); | ||
249 | QStringList channels; | ||
250 | while ( it != _channels.end() ) | ||
251 | { | ||
252 | channels += it.key(); | ||
253 | it++; | ||
254 | } | ||
255 | return channels; | ||
256 | } | ||
257 | |||
258 | |||
259 | QStringList OMixerInterface::recChannels() const | ||
260 | { | ||
261 | qWarning( "NYI" ); | ||
262 | } | ||
263 | |||
264 | |||
265 | QStringList OMixerInterface::playChannels() const | ||
266 | { | ||
267 | qWarning( "NYI" ); | ||
268 | } | ||
269 | |||
270 | |||
271 | bool OMixerInterface::hasChannel( const QString& channel ) | ||
272 | { | ||
273 | return _channels.contains( channel ); | ||
274 | } | ||
275 | |||
276 | |||
277 | void OMixerInterface::setVolume( const QString& channel, int left, int right ) | ||
278 | { | ||
279 | int volume = left; | ||
280 | volume |= ( right == -1 ) ? left << 8 : right << 8; | ||
281 | |||
282 | if ( _channels.contains( channel ) ) | ||
283 | { | ||
284 | int result = ioctl( _fd, MIXER_WRITE( _channels[channel] ), &volume ); | ||
285 | if ( result == -1 ) | ||
286 | { | ||
287 | qWarning( "Can't set volume: %s", strerror( errno ) ); | ||
288 | } | ||
289 | else | ||
290 | { | ||
291 | if ( result & 0xff != left ) | ||
292 | { | ||
293 | qWarning( "Device adjusted volume from %d to %d", left, result & 0xff ); | ||
294 | } | ||
295 | } | ||
296 | } | ||
297 | } | ||
298 | |||
299 | |||
300 | int OMixerInterface::volume( const QString& channel ) const | ||
301 | { | ||
302 | int volume; | ||
303 | |||
304 | if ( _channels.contains( channel ) ) | ||
305 | { | ||
306 | if ( ioctl( _fd, MIXER_READ( _channels[channel] ), &volume ) == -1 ) | ||
307 | { | ||
308 | qWarning( "Can't get volume: %s", strerror( errno ) ); | ||
309 | } | ||
310 | else return volume; | ||
311 | } | ||
312 | return -1; | ||
313 | } | ||
314 | |||
315 | |||