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-rw-r--r--libopie2/opiemm/osoundsystem.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/libopie2/opiemm/osoundsystem.cpp b/libopie2/opiemm/osoundsystem.cpp
index 07f26c0..c00585d 100644
--- a/libopie2/opiemm/osoundsystem.cpp
+++ b/libopie2/opiemm/osoundsystem.cpp
@@ -1,315 +1,315 @@
1/* 1/*
2                 This file is part of the Opie Project 2                 This file is part of the Opie Project
3 3
4              (C) 2003 Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de> 4              (C) 2003 Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
5 =. 5 =.
6 .=l. 6 .=l.
7           .>+-= 7           .>+-=
8 _;:,     .>    :=|. This program is free software; you can 8 _;:,     .>    :=|. This program is free software; you can
9.> <`_,   >  .   <= redistribute it and/or modify it under 9.> <`_,   >  .   <= redistribute it and/or modify it under
10:`=1 )Y*s>-.--   : the terms of the GNU Library General Public 10:`=1 )Y*s>-.--   : the terms of the GNU Library General Public
11.="- .-=="i,     .._ License as published by the Free Software 11.="- .-=="i,     .._ License as published by the Free Software
12 - .   .-<_>     .<> Foundation; either version 2 of the License, 12 - .   .-<_>     .<> Foundation; either version 2 of the License,
13     ._= =}       : or (at your option) any later version. 13     ._= =}       : or (at your option) any later version.
14    .%`+i>       _;_. 14    .%`+i>       _;_.
15    .i_,=:_.      -<s. This program is distributed in the hope that 15    .i_,=:_.      -<s. This program is distributed in the hope that
16     +  .  -:.       = it will be useful, but WITHOUT ANY WARRANTY; 16     +  .  -:.       = it will be useful, but WITHOUT ANY WARRANTY;
17    : ..    .:,     . . . without even the implied warranty of 17    : ..    .:,     . . . without even the implied warranty of
18    =_        +     =;=|` MERCHANTABILITY or FITNESS FOR A 18    =_        +     =;=|` MERCHANTABILITY or FITNESS FOR A
19  _.=:.       :    :=>`: PARTICULAR PURPOSE. See the GNU 19  _.=:.       :    :=>`: PARTICULAR PURPOSE. See the GNU
20..}^=.=       =       ; Library General Public License for more 20..}^=.=       =       ; Library General Public License for more
21++=   -.     .`     .: details. 21++=   -.     .`     .: details.
22 :     =  ...= . :.=- 22 :     =  ...= . :.=-
23 -.   .:....=;==+<; You should have received a copy of the GNU 23 -.   .:....=;==+<; You should have received a copy of the GNU
24  -_. . .   )=.  = Library General Public License along with 24  -_. . .   )=.  = Library General Public License along with
25    --        :-=` this library; see the file COPYING.LIB. 25    --        :-=` this library; see the file COPYING.LIB.
26 If not, write to the Free Software Foundation, 26 If not, write to the Free Software Foundation,
27 Inc., 59 Temple Place - Suite 330, 27 Inc., 59 Temple Place - Suite 330,
28 Boston, MA 02111-1307, USA. 28 Boston, MA 02111-1307, USA.
29 29
30*/ 30*/
31 31
32#include <opie2/osoundsystem.h> 32#include <opie2/osoundsystem.h>
33#include <opie2/odebug.h> 33#include <opie2/odebug.h>
34 34
35#include <errno.h> 35#include <errno.h>
36#include <fcntl.h> 36#include <fcntl.h>
37#include <string.h> 37#include <string.h>
38#include <sys/ioctl.h> 38#include <sys/ioctl.h>
39#include <sys/types.h> 39#include <sys/types.h>
40#include <sys/soundcard.h> 40#include <sys/soundcard.h>
41#include <sys/stat.h> 41#include <sys/stat.h>
42 42
43 43
44using namespace Opie::Core; 44using namespace Opie::Core;
45using namespace Opie::MM; 45using namespace Opie::MM;
46/*====================================================================================== 46/*======================================================================================
47 * OSoundSystem 47 * OSoundSystem
48 *======================================================================================*/ 48 *======================================================================================*/
49 49
50OSoundSystem* OSoundSystem::_instance = 0; 50OSoundSystem* OSoundSystem::_instance = 0;
51 51
52OSoundSystem::OSoundSystem() 52OSoundSystem::OSoundSystem()
53{ 53{
54 odebug << "OSoundSystem::OSoundSystem()" << oendl; 54 odebug << "OSoundSystem::OSoundSystem()" << oendl;
55 synchronize(); 55 synchronize();
56} 56}
57 57
58void OSoundSystem::synchronize() 58void OSoundSystem::synchronize()
59{ 59{
60 // gather available interfaces by inspecting /dev 60 // gather available interfaces by inspecting /dev
61 //FIXME: we could use SIOCGIFCONF here, but we aren't interested in virtual (e.g. eth0:0) devices 61 //FIXME: we could use SIOCGIFCONF here, but we aren't interested in virtual (e.g. eth0:0) devices
62 //FIXME: Use SIOCGIFCONF anway, because we can disable listing of aliased devices 62 //FIXME: Use SIOCGIFCONF anway, because we can disable listing of aliased devices
63 63
64 _interfaces.clear(); 64 _interfaces.clear();
65 _interfaces.insert( "soundcard", new OSoundCard( this, "soundcard" ) ); 65 _interfaces.insert( "soundcard", new OSoundCard( this, "soundcard" ) );
66 66
67 67
68 /* 68 /*
69 69
70 QString str; 70 QString str;
71 QFile f( "/dev/sound" ); 71 QFile f( "/dev/sound" );
72 bool hasFile = f.open( IO_ReadOnly ); 72 bool hasFile = f.open( IO_ReadOnly );
73 if ( !hasFile ) 73 if ( !hasFile )
74 { 74 {
75 odebug << "OSoundSystem: /dev/sound not existing. No sound devices available" << oendl; 75 odebug << "OSoundSystem: /dev/sound not existing. No sound devices available" << oendl;
76 return; 76 return;
77 } 77 }
78 QTextStream s( &f ); 78 QTextStream s( &f );
79 s.readLine(); 79 s.readLine();
80 s.readLine(); 80 s.readLine();
81 while ( !s.atEnd() ) 81 while ( !s.atEnd() )
82 { 82 {
83 s >> str; 83 s >> str;
84 str.truncate( str.find( ':' ) ); 84 str.truncate( str.find( ':' ) );
85 qDebug( "OSoundSystem: found interface '%s'", (const char*) str ); 85 qDebug( "OSoundSystem: found interface '%s'", (const char*) str );
86 OAudioInterface* iface; 86 OAudioInterface* iface;
87 iface = new OAudioInterface( this, (const char*) str ); 87 iface = new OAudioInterface( this, (const char*) str );
88 88
89 _interfaces.insert( str, iface ); 89 _interfaces.insert( str, iface );
90 s.readLine(); 90 s.readLine();
91 } 91 }
92*/ 92*/
93} 93}
94 94
95 95
96int OSoundSystem::count() const 96int OSoundSystem::count() const
97{ 97{
98 return _interfaces.count(); 98 return _interfaces.count();
99} 99}
100 100
101 101
102OSoundCard* OSoundSystem::card( const QString& iface ) const 102OSoundCard* OSoundSystem::card( const QString& iface ) const
103{ 103{
104 return _interfaces[iface]; 104 return _interfaces[iface];
105} 105}
106 106
107 107
108OSoundSystem* OSoundSystem::instance() 108OSoundSystem* OSoundSystem::instance()
109{ 109{
110 if ( !_instance ) _instance = new OSoundSystem(); 110 if ( !_instance ) _instance = new OSoundSystem();
111 return _instance; 111 return _instance;
112} 112}
113 113
114 114
115OSoundSystem::CardIterator OSoundSystem::iterator() const 115OSoundSystem::CardIterator OSoundSystem::iterator() const
116{ 116{
117 return OSoundSystem::CardIterator( _interfaces ); 117 return OSoundSystem::CardIterator( _interfaces );
118} 118}
119 119
120 120
121/*====================================================================================== 121/*======================================================================================
122 * OSoundCard 122 * OSoundCard
123 *======================================================================================*/ 123 *======================================================================================*/
124 124
125OSoundCard::OSoundCard( QObject* parent, const char* name ) 125OSoundCard::OSoundCard( QObject* parent, const char* name )
126 :QObject( parent, name ), _audio( 0 ), _mixer( 0 ) 126 :QObject( parent, name ), _audio( 0 ), _mixer( 0 )
127{ 127{
128 odebug << "OSoundCard::OSoundCard()" << oendl; 128 odebug << "OSoundCard::OSoundCard()" << oendl;
129 init(); 129 init();
130} 130}
131 131
132 132
133OSoundCard::~OSoundCard() 133OSoundCard::~OSoundCard()
134{ 134{
135} 135}
136 136
137 137
138void OSoundCard::init() 138void OSoundCard::init()
139{ 139{
140 _audio = new OAudioInterface( this, "/dev/dsp" ); 140 _audio = new OAudioInterface( this, "/dev/dsp" );
141 _mixer = new OMixerInterface( this, "/dev/mixer" ); 141 _mixer = new OMixerInterface( this, "/dev/mixer" );
142} 142}
143 143
144 144
145/*====================================================================================== 145/*======================================================================================
146 * OAudioInterface 146 * OAudioInterface
147 *======================================================================================*/ 147 *======================================================================================*/
148 148
149OAudioInterface::OAudioInterface( QObject* parent, const char* name ) 149OAudioInterface::OAudioInterface( QObject* parent, const char* name )
150 :QObject( parent, name ) 150 :QObject( parent, name ), _sfd(0)
151{ 151{
152 odebug << "OAudioInterface::OAudioInterface()" << oendl; 152 odebug << "OAudioInterface::OAudioInterface()" << oendl;
153 init(); 153 init();
154} 154}
155 155
156 156
157OAudioInterface::~OAudioInterface() 157OAudioInterface::~OAudioInterface()
158{ 158{
159} 159}
160 160
161 161
162void OAudioInterface::init() 162void OAudioInterface::init()
163{ 163{
164 164
165 165
166} 166}
167 167
168 168
169/*====================================================================================== 169/*======================================================================================
170 * OMixerInterface 170 * OMixerInterface
171 *======================================================================================*/ 171 *======================================================================================*/
172 172
173OMixerInterface::OMixerInterface( QObject* parent, const char* name ) 173OMixerInterface::OMixerInterface( QObject* parent, const char* name )
174 :QObject( parent, name ) 174 :QObject( parent, name )
175{ 175{
176 odebug << "OMixerInterface::OMixerInterface()" << oendl; 176 odebug << "OMixerInterface::OMixerInterface()" << oendl;
177 init(); 177 init();
178} 178}
179 179
180 180
181OMixerInterface::~OMixerInterface() 181OMixerInterface::~OMixerInterface()
182{ 182{
183} 183}
184 184
185 185
186void OMixerInterface::init() 186void OMixerInterface::init()
187{ 187{
188 // open the device 188 // open the device
189 _fd = ::open( name(), O_RDWR ); 189 _fd = ::open( name(), O_RDWR );
190 if ( _fd == -1 ) 190 if ( _fd == -1 )
191 { 191 {
192 owarn << "OMixerInterface::init(): Can't open mixer." << oendl; 192 owarn << "OMixerInterface::init(): Can't open mixer." << oendl;
193 return; 193 return;
194 } 194 }
195 195
196 // construct the device capabilities 196 // construct the device capabilities
197 int devmask = 0; 197 int devmask = 0;
198 if ( ioctl( _fd, SOUND_MIXER_READ_DEVMASK, &devmask ) != -1 ) 198 if ( ioctl( _fd, SOUND_MIXER_READ_DEVMASK, &devmask ) != -1 )
199 { 199 {
200 if ( devmask & ( 1 << SOUND_MIXER_VOLUME ) ) _channels.insert( "PlayVolume", SOUND_MIXER_VOLUME ); 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 ); 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 ); 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 ); 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 ); 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 ); 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 ); 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 ); 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 ); 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 ); 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 ); 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 ); 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 ); 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 ); 213 if ( devmask & ( 1 << SOUND_MIXER_OGAIN ) ) _channels.insert( "PlayOutputGain", SOUND_MIXER_OGAIN );
214 //odebug << "devmask available and constructed." << oendl; 214 //odebug << "devmask available and constructed." << oendl;
215 } 215 }
216 216
217 devmask = 0; 217 devmask = 0;
218 if ( ioctl( _fd, SOUND_MIXER_READ_RECMASK, &devmask ) != -1 ) 218 if ( ioctl( _fd, SOUND_MIXER_READ_RECMASK, &devmask ) != -1 )
219 { 219 {
220 if ( devmask & ( 1 << SOUND_MIXER_VOLUME ) ) _channels.insert( "RecVolume", SOUND_MIXER_VOLUME ); 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 ); 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 ); 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 ); 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 ); 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 ); 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 ); 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 ); 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 ); 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 ); 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 ); 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 ); 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 ); 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 ); 233 if ( devmask & ( 1 << SOUND_MIXER_OGAIN ) ) _channels.insert( "RecOutputGain", SOUND_MIXER_OGAIN );
234 //odebug << "recmask available and constructed." << oendl; 234 //odebug << "recmask available and constructed." << oendl;
235 } 235 }
236 236
237/* ChannelIterator it; 237/* ChannelIterator it;
238 for ( it = _channels.begin(); it != _channels.end(); ++it ) 238 for ( it = _channels.begin(); it != _channels.end(); ++it )
239 { 239 {
240 qDebug( "Channel %s available (bit %d)", (const char*) it.key(), it.data() ); 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 ); 241 qDebug( " +--- Volume: %02d | %02d", volume( it.key() ) & 0xff, volume( it.key() ) >> 8 );
242 } 242 }
243*/ 243*/
244} 244}
245 245
246QStringList OMixerInterface::allChannels() const 246QStringList OMixerInterface::allChannels() const
247{ 247{
248 ChannelIterator it = _channels.begin(); 248 ChannelIterator it = _channels.begin();
249 QStringList channels; 249 QStringList channels;
250 while ( it != _channels.end() ) 250 while ( it != _channels.end() )
251 { 251 {
252 channels += it.key(); 252 channels += it.key();
253 it++; 253 it++;
254 } 254 }
255 return channels; 255 return channels;
256} 256}
257 257
258 258
259QStringList OMixerInterface::recChannels() const 259QStringList OMixerInterface::recChannels() const
260{ 260{
261 owarn << "NYI" << oendl; 261 owarn << "NYI" << oendl;
262} 262}
263 263
264 264
265QStringList OMixerInterface::playChannels() const 265QStringList OMixerInterface::playChannels() const
266{ 266{
267 owarn << "NYI" << oendl; 267 owarn << "NYI" << oendl;
268} 268}
269 269
270 270
271bool OMixerInterface::hasChannel( const QString& channel ) 271bool OMixerInterface::hasChannel( const QString& channel )
272{ 272{
273 return _channels.contains( channel ); 273 return _channels.contains( channel );
274} 274}
275 275
276 276
277void OMixerInterface::setVolume( const QString& channel, int left, int right ) 277void OMixerInterface::setVolume( const QString& channel, int left, int right )
278{ 278{
279 int volume = left; 279 int volume = left;
280 volume |= ( right == -1 ) ? left << 8 : right << 8; 280 volume |= ( right == -1 ) ? left << 8 : right << 8;
281 281
282 if ( _channels.contains( channel ) ) 282 if ( _channels.contains( channel ) )
283 { 283 {
284 int result = ioctl( _fd, MIXER_WRITE( _channels[channel] ), &volume ); 284 int result = ioctl( _fd, MIXER_WRITE( _channels[channel] ), &volume );
285 if ( result == -1 ) 285 if ( result == -1 )
286 { 286 {
287 owarn << "Can't set volume: " << strerror( errno ) << oendl; 287 owarn << "Can't set volume: " << strerror( errno ) << oendl;
288 } 288 }
289 else 289 else
290 { 290 {
291 if ( result & 0xff != left ) 291 if ( result & 0xff != left )
292 { 292 {
293 owarn << "Device adjusted volume from " << left << " to " << (result & 0xff) << oendl; 293 owarn << "Device adjusted volume from " << left << " to " << (result & 0xff) << oendl;
294 } 294 }
295 } 295 }
296 } 296 }
297} 297}
298 298
299 299
300int OMixerInterface::volume( const QString& channel ) const 300int OMixerInterface::volume( const QString& channel ) const
301{ 301{
302 int volume; 302 int volume;
303 303
304 if ( _channels.contains( channel ) ) 304 if ( _channels.contains( channel ) )
305 { 305 {
306 if ( ioctl( _fd, MIXER_READ( _channels[channel] ), &volume ) == -1 ) 306 if ( ioctl( _fd, MIXER_READ( _channels[channel] ), &volume ) == -1 )
307 { 307 {
308 owarn << "Can't get volume: " << strerror( errno ) << oendl; 308 owarn << "Can't get volume: " << strerror( errno ) << oendl;
309 } 309 }
310 else return volume; 310 else return volume;
311 } 311 }
312 return -1; 312 return -1;
313} 313}
314 314
315 315