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Viewing changes to phonon_interface.cpp

  • Committer: Package Import Robot
  • Author(s): Philip Muškovac
  • Date: 2012-05-26 15:25:35 UTC
  • Revision ID: package-import@ubuntu.com-20120526152535-60v997qsp1solymv
Tags: upstream-4.8.80a
Import upstream version 4.8.80a

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phonon_interface.cpp
 
1
/*
 
2
 *
 
3
 * Copyright (C) 2004-2007 Matthias Kretz <kretz@kde.org>
 
4
 * Copyright (C) by Alexander Kern <alex.kern@gmx.de>
 
5
 *
 
6
 * This library is free software; you can redistribute it and/or
 
7
 * modify it under the terms of the GNU Library General Public
 
8
 * License as published by the Free Software Foundation; either
 
9
 * version 2 of the License, or (at your option) any later version.
 
10
 *
 
11
 * This library is distributed in the hope that it will be useful,
 
12
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
13
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 
14
 * Library General Public License for more details.
 
15
 *
 
16
 * You should have received a copy of the GNU Library General Public
 
17
 * License along with this library; if not, write to the Free
 
18
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 
19
 *
 
20
 *
 
21
 * CDDA version taken from guitest in phonon test directory
 
22
 */
 
23
 
 
24
#include "phonon_interface.h"
 
25
 
 
26
#include <kdebug.h>
 
27
#include <klocale.h>
 
28
 
 
29
#include <Phonon/Global>
 
30
#include <Phonon/MediaObject>
 
31
#include <Phonon/AudioOutput>
 
32
#include <Phonon/Path>
 
33
#include <Phonon/MediaController>
 
34
 
 
35
#include <solid/device.h>
 
36
#include <solid/opticaldrive.h>
 
37
#include <solid/opticaldisc.h>
 
38
 
 
39
#define WM_MSG_CLASS WM_MSG_CLASS_PLATFORM
 
40
 
 
41
using namespace Phonon;
 
42
 
 
43
class ProducerWidget : public QObject
 
44
{
 
45
    public:
 
46
        ProducerWidget(KPhononCompactDiscPrivate *, const QString &);
 
47
        ~ProducerWidget();
 
48
 
 
49
    public:
 
50
        MediaObject *m_media;
 
51
        AudioOutput *m_output;
 
52
        MediaController *m_mediaController;
 
53
};
 
54
 
 
55
ProducerWidget::ProducerWidget(KPhononCompactDiscPrivate *p, const QString &Udi) :
 
56
    m_media(0),
 
57
    m_output(0),
 
58
    m_mediaController(0)
 
59
{
 
60
    m_media = new MediaObject(this);
 
61
    connect(m_media, SIGNAL(metaDataChanged()), SLOT(updateMetaData()));
 
62
    m_media->setTickInterval(1000);
 
63
 
 
64
    m_output = new AudioOutput(Phonon::MusicCategory, this);
 
65
    Phonon::createPath(m_media, m_output);
 
66
 
 
67
    connect(m_media, SIGNAL(stateChanged(Phonon::State,Phonon::State)),
 
68
            p, SLOT(stateChanged(Phonon::State,Phonon::State)));
 
69
 
 
70
    connect(m_media, SIGNAL(tick(qint64)), p, SLOT(tick(qint64)));
 
71
 
 
72
    MediaSource *m_mediaSource = new MediaSource(Phonon::Cd, Udi);
 
73
    m_media->setCurrentSource(*m_mediaSource);
 
74
 
 
75
    m_mediaController = new MediaController(m_media);
 
76
}
 
77
 
 
78
ProducerWidget::~ProducerWidget()
 
79
{
 
80
        delete(m_mediaController);
 
81
    delete(m_output);
 
82
        delete(m_media);
 
83
}
 
84
 
 
85
KPhononCompactDiscPrivate::KPhononCompactDiscPrivate(KCompactDisc *p,
 
86
        const QString &dev) :
 
87
        KCompactDiscPrivate(p, dev),
 
88
        m_producerWidget(NULL),
 
89
        m_udi(KCompactDisc::cdromDeviceUdi(dev))
 
90
{
 
91
        m_interface = QLatin1String("phonon");
 
92
}
 
93
 
 
94
KPhononCompactDiscPrivate::~KPhononCompactDiscPrivate()
 
95
{
 
96
        delete m_producerWidget;
 
97
        m_producerWidget = NULL;
 
98
}
 
99
 
 
100
bool KPhononCompactDiscPrivate::createInterface()
 
101
{
 
102
        Solid::Device opticalDevice(m_udi);
 
103
        Solid::OpticalDrive *opticalDrive = opticalDevice.as<Solid::OpticalDrive>();
 
104
 
 
105
        if(opticalDrive) {
 
106
                Q_Q(KCompactDisc);
 
107
 
 
108
                m_deviceVendor = opticalDevice.vendor();
 
109
                m_deviceModel = opticalDevice.product();
 
110
 
 
111
                emit q->discChanged(0);
 
112
 
 
113
                producer();
 
114
 
 
115
                return true;
 
116
        }
 
117
 
 
118
        return false;
 
119
}
 
120
 
 
121
ProducerWidget *KPhononCompactDiscPrivate::producer()
 
122
{
 
123
        //try to create
 
124
        if(!m_producerWidget) {
 
125
                Solid::Device opticalDevice(m_udi);
 
126
                Solid::OpticalDrive *opticalDrive = opticalDevice.as<Solid::OpticalDrive>();
 
127
 
 
128
                if(opticalDrive) {
 
129
                        Solid::OpticalDisc *opticalDisc = opticalDevice.as<Solid::OpticalDisc>();
 
130
                        kDebug() << "opticalDisc " << opticalDisc;
 
131
                        //if(opticalDisc && (opticalDisc->availableContent() == Solid::OpticalDisc::Audio)) {
 
132
                                m_producerWidget = new ProducerWidget(this, m_udi);
 
133
                        //}
 
134
                }
 
135
        }
 
136
 
 
137
        return m_producerWidget;
 
138
}
 
139
 
 
140
unsigned KPhononCompactDiscPrivate::trackLength(unsigned track)
 
141
{
 
142
    if(!producer() || m_producerWidget->m_mediaController->currentTitle() != track)
 
143
                return 0;
 
144
 
 
145
        return MS2SEC(m_producerWidget->m_media->totalTime());
 
146
}
 
147
 
 
148
bool KPhononCompactDiscPrivate::isTrackAudio(unsigned)
 
149
{
 
150
        return true;
 
151
}
 
152
 
 
153
void KPhononCompactDiscPrivate::playTrackPosition(unsigned track, unsigned position)
 
154
{
 
155
    if(!producer())
 
156
                return;
 
157
 
 
158
        kDebug() << "play track " << track << " position " << position;
 
159
 
 
160
    m_producerWidget->m_mediaController->setCurrentTitle(track);
 
161
    m_producerWidget->m_media->seek(SEC2MS(position));
 
162
        emit m_producerWidget->m_media->play();
 
163
}
 
164
 
 
165
void KPhononCompactDiscPrivate::pause()
 
166
{
 
167
    if(!producer())
 
168
                return;
 
169
 
 
170
        emit m_producerWidget->m_media->pause();
 
171
}
 
172
 
 
173
void KPhononCompactDiscPrivate::stop()
 
174
{
 
175
    if(!producer())
 
176
                return;
 
177
 
 
178
        emit m_producerWidget->m_media->stop();
 
179
}
 
180
 
 
181
void KPhononCompactDiscPrivate::eject()
 
182
{
 
183
        Solid::Device opticalDevice(m_udi);
 
184
        Solid::OpticalDrive *opticalDrive = opticalDevice.as<Solid::OpticalDrive>();
 
185
        Solid::OpticalDisc *opticalDisc = opticalDevice.as<Solid::OpticalDisc>();
 
186
 
 
187
        if(!opticalDrive || !opticalDisc)
 
188
                return;
 
189
 
 
190
        opticalDrive->eject();
 
191
}
 
192
 
 
193
void KPhononCompactDiscPrivate::closetray()
 
194
{
 
195
        Solid::Device opticalDevice(m_udi);
 
196
        Solid::OpticalDrive *opticalDrive = opticalDevice.as<Solid::OpticalDrive>();
 
197
        Solid::OpticalDisc *opticalDisc = opticalDevice.as<Solid::OpticalDisc>();
 
198
 
 
199
        if(!opticalDrive || opticalDisc)
 
200
                return;
 
201
 
 
202
        opticalDrive->eject();
 
203
}
 
204
 
 
205
void KPhononCompactDiscPrivate::setVolume(unsigned volume)
 
206
{
 
207
        if(!producer())
 
208
                return;
 
209
 
 
210
        /* 1.0 = 100% */
 
211
        m_producerWidget->m_output->setVolume(volume * 0.01);
 
212
}
 
213
 
 
214
void KPhononCompactDiscPrivate::setBalance(unsigned)
 
215
{
 
216
}
 
217
 
 
218
unsigned KPhononCompactDiscPrivate::volume()
 
219
{
 
220
        if(!producer())
 
221
                return 0;
 
222
 
 
223
        return (unsigned)(m_producerWidget->m_output->volume() * 100.0);
 
224
}
 
225
 
 
226
unsigned KPhononCompactDiscPrivate::balance()
 
227
{
 
228
        return 50;
 
229
}
 
230
 
 
231
void KPhononCompactDiscPrivate::queryMetadata()
 
232
{
 
233
        Q_Q(KCompactDisc);
 
234
 
 
235
        if(!producer())
 
236
                return;
 
237
 
 
238
        QMultiMap<QString, QString> data = m_producerWidget->m_media->metaData();
 
239
        kDebug() << "METADATA";
 
240
        //kDebug() << data;
 
241
 
 
242
        m_trackArtists[0] = data.take(QLatin1String( "ARTIST" ));
 
243
        m_trackTitles[0] = data.take(QLatin1String( "ALBUM" ));
 
244
 
 
245
        m_trackArtists[m_track] = data.take(QLatin1String( "ARTIST" ));
 
246
        m_trackTitles[m_track] = data.take(QLatin1String( "TITLE" ));
 
247
 
 
248
        emit q->discInformation(KCompactDisc::PhononMetadata);
 
249
}
 
250
 
 
251
KCompactDisc::DiscStatus KPhononCompactDiscPrivate::discStatusTranslate(Phonon::State state)
 
252
{
 
253
    switch (state) {
 
254
    case Phonon::PlayingState:
 
255
        return KCompactDisc::Playing;
 
256
    case Phonon::PausedState:
 
257
        return KCompactDisc::Paused;
 
258
    case Phonon::StoppedState:
 
259
        return KCompactDisc::Stopped;
 
260
    case Phonon::ErrorState:
 
261
        return KCompactDisc::NoDisc;
 
262
    case Phonon::LoadingState:
 
263
    case Phonon::BufferingState:
 
264
        return KCompactDisc::NotReady;
 
265
    default:
 
266
        return KCompactDisc::Error;
 
267
    }
 
268
}
 
269
 
 
270
void KPhononCompactDiscPrivate::tick(qint64 t)
 
271
{
 
272
        unsigned track;
 
273
        Q_Q(KCompactDisc);
 
274
 
 
275
        track = m_producerWidget->m_mediaController->currentTitle();
 
276
        if(track != m_track) {
 
277
                m_track = track;
 
278
                m_discLength = trackLength(m_track);
 
279
                emit q->playoutTrackChanged(m_track);
 
280
 
 
281
                /* phonon gives us Metadata only per Track */
 
282
                if(m_autoMetadata)
 
283
                        queryMetadata();
 
284
        }
 
285
 
 
286
        m_trackPosition = MS2SEC(t);
 
287
        m_discPosition = m_trackPosition;
 
288
        // Update the current playing position.
 
289
        if(m_seek) {
 
290
                kDebug() << "seek: " << m_seek << " trackPosition " << m_trackPosition;
 
291
                if(abs((long)(m_trackExpectedPosition - m_trackPosition)) > m_seek)
 
292
                        m_seek = 0;
 
293
                else
 
294
                        m_seek = abs((long)(m_trackExpectedPosition - m_trackPosition));
 
295
        }
 
296
 
 
297
        if(!m_seek) {
 
298
                emit q->playoutPositionChanged(m_trackPosition);
 
299
        }
 
300
}
 
301
 
 
302
void KPhononCompactDiscPrivate::stateChanged(Phonon::State newstate, Phonon::State)
 
303
{
 
304
    KCompactDisc::DiscStatus status;
 
305
        Q_Q(KCompactDisc);
 
306
 
 
307
    status = discStatusTranslate(newstate);
 
308
 
 
309
    if(m_status != status) {
 
310
                if(skipStatusChange(status))
 
311
                        return;
 
312
 
 
313
                m_status = status;
 
314
 
 
315
        switch(m_status) {
 
316
                case KCompactDisc::Ejected:
 
317
                case KCompactDisc::NoDisc:
 
318
                        clearDiscInfo();
 
319
                        break;
 
320
                default:
 
321
            if(m_tracks == 0) {
 
322
                                m_tracks = m_producerWidget->m_mediaController->availableTitles();
 
323
                                if(m_tracks > 0) {
 
324
                                        kDebug() << "New disc with " << m_tracks << " tracks";
 
325
 
 
326
                                        make_playlist();
 
327
 
 
328
                                        m_trackArtists.append(i18n("Unknown Artist"));
 
329
                                        m_trackTitles.append(i18n("Unknown Title"));
 
330
                                        for(unsigned i = 1; i <= m_tracks; i++) {
 
331
                                                m_trackArtists.append(i18n("Unknown Artist"));
 
332
                                                m_trackTitles.append(ki18n("Track %1").subs(i, 2).toString());
 
333
                                        }
 
334
 
 
335
                                        emit q->discChanged(m_tracks);
 
336
 
 
337
                                        if(m_autoMetadata)
 
338
                                                queryMetadata();
 
339
                                }
 
340
            }
 
341
 
 
342
                        break;
 
343
                }
 
344
        }
 
345
}
 
346
 
 
347
#include "phonon_interface.moc"
 
348