1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
|
/***************************************************************************
copyright : (C) 2004 Scott Wheeler
email : wheeler@kde.org
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
// TQt includes.
#include <tqfile.h>
// KDE includes.
#include <kapplication.h>
#include <kconfig.h>
#include <kglobal.h>
#include <kdebug.h>
// GStreamerPlayer includes.
#include "gstreamerplayer.h"
#include "gstreamerplayer.moc"
////////////////////////////////////////////////////////////////////////////////
// public methods
////////////////////////////////////////////////////////////////////////////////
GStreamerPlayer::GStreamerPlayer(TQObject* parent, const char* name, const TQStringList& args) :
Player(parent, name, args),
m_initialized(false),
m_pipeline(0),
m_source(0),
m_decoder(0),
m_volume(0),
m_sink(0)
{
// readConfig();
setupPipeline();
}
GStreamerPlayer::~GStreamerPlayer()
{
stop();
gst_object_unref(GST_OBJECT(m_pipeline));
}
//void GStreamerPlayer::play(const FileHandle &file)
void GStreamerPlayer::startPlay(const TQString &file)
{
if(!file.isNull()) {
stop();
// g_object_set(G_OBJECT(m_source), "location", file.absFilePath().local8Bit().data(), 0);
g_object_set(G_OBJECT(m_source),"location",file.local8Bit().data(),NULL);
}
gst_element_set_state(m_pipeline, GST_STATE_PLAYING);
}
void GStreamerPlayer::pause()
{
gst_element_set_state(m_pipeline, GST_STATE_PAUSED);
}
void GStreamerPlayer::stop()
{
gst_element_set_state(m_pipeline, GST_STATE_NULL);
}
void GStreamerPlayer::setVolume(float volume)
{
g_object_set(G_OBJECT(m_volume), "volume", volume, NULL);
}
float GStreamerPlayer::volume() const
{
gfloat value;
g_object_get(G_OBJECT(m_volume), "volume", &value, NULL);
return value;
}
bool GStreamerPlayer::playing() const
{
return gst_element_get_state(m_pipeline) == GST_STATE_PLAYING;
}
bool GStreamerPlayer::paused() const
{
return gst_element_get_state(m_pipeline) == GST_STATE_PAUSED;
}
int GStreamerPlayer::totalTime() const
{
return time(GST_QUERY_TOTAL) / GST_SECOND;
}
int GStreamerPlayer::currentTime() const
{
return time(GST_QUERY_POSITION) / GST_SECOND;
}
int GStreamerPlayer::position() const
{
long long total = time(GST_QUERY_TOTAL);
long long current = time(GST_QUERY_POSITION);
return total > 0 ? int((double(current) / double(total)) * double(1000) + 0.5) : 0;
}
void GStreamerPlayer::seek(int seekTime)
{
int type = (GST_FORMAT_TIME | GST_SEEK_METHOD_SET | GST_SEEK_FLAG_FLUSH);
gst_element_seek(m_sink, GstSeekType(type), seekTime * GST_SECOND);
}
void GStreamerPlayer::seekPosition(int position)
{
long long total = time(GST_QUERY_TOTAL);
if(total > 0)
seek(int(double(position) / double(1000) * double(totalTime()) + 0.5));
}
/**
* Returns a list of GStreamer plugins of the specified class.
* @param classname Desired class. Use "Sink/Audio" for sinks.
* @return List of plugin names.
*/
TQStringList GStreamerPlayer::getPluginList( const TQCString& classname )
{
GList * pool_registries = NULL;
GList* registries = NULL;
GList* plugins = NULL;
GList* features = NULL;
TQString name;
TQStringList results;
if(!m_initialized) {
int argc = kapp->argc();
char **argv = kapp->argv();
gst_init(&argc, &argv);
m_initialized = true;
}
pool_registries = gst_registry_pool_list ();
registries = pool_registries;
while ( registries ) {
GstRegistry * registry = GST_REGISTRY ( registries->data );
plugins = registry->plugins;
while ( plugins ) {
GstPlugin * plugin = GST_PLUGIN ( plugins->data );
features = gst_plugin_get_feature_list ( plugin );
while ( features ) {
GstPluginFeature * feature = GST_PLUGIN_FEATURE ( features->data );
if ( GST_IS_ELEMENT_FACTORY ( feature ) ) {
GstElementFactory * factory = GST_ELEMENT_FACTORY ( feature );
if ( g_strrstr ( factory->details.klass, classname ) ) {
name = g_strdup ( GST_OBJECT_NAME ( factory ) );
if ( name != "artsdsink" ) results << name;
}
}
features = g_list_next ( features );
}
plugins = g_list_next ( plugins );
}
registries = g_list_next ( registries );
}
g_list_free ( pool_registries );
pool_registries = NULL;
return results;
}
bool GStreamerPlayer::requireVersion(uint major, uint minor, uint micro)
{
guint gmajor, gminor, gmicro;
if(!m_initialized) {
int argc = kapp->argc();
char **argv = kapp->argv();
gst_init(&argc, &argv);
m_initialized = true;
}
gst_version(&gmajor, &gminor, &gmicro);
// kdDebug() << TQString("GStreamerPlayer::requireVersion: You have gstreamer %1.%2.%3 installed.").arg(gmajor).arg(gminor).arg(gmicro) << endl;
if (gmajor > major) return true;
if (gminor > minor) return true;
if (gmicro >= micro) return true;
kdDebug() << TQString("GStreamerPlayer::requireVersion: You have gstreamer %1.%2.%3 installed.").arg(gmajor).arg(gminor).arg(gmicro) << endl;
kdDebug() << TQString("GStreamerPlayer::requireVersion: This application requires %1.%2.%3 or greater.").arg(major).arg(minor).arg(micro) << endl;
return false;
}
void GStreamerPlayer::setSinkName(const TQString &sinkName) { m_sinkName = sinkName; }
////////////////////////////////////////////////////////////////////////////////
// private methods
////////////////////////////////////////////////////////////////////////////////
void GStreamerPlayer::readConfig()
{
TDEConfigGroup config(TDEGlobal::config(), "GStreamerPlayer");
m_sinkName = config.readEntry("SinkName", TQString());
}
void GStreamerPlayer::setupPipeline()
{
if(!m_initialized) {
int argc = kapp->argc();
char **argv = kapp->argv();
gst_init(&argc, &argv);
m_initialized = true;
}
m_pipeline = gst_thread_new("pipeline");
m_source = gst_element_factory_make("filesrc", "source");
m_decoder = gst_element_factory_make("spider", "decoder");
m_volume = gst_element_factory_make("volume", "volume");
if(!m_sinkName.isNull())
m_sink = gst_element_factory_make(m_sinkName.utf8().data(), "sink");
if (!m_sink)
{
// m_sink = gst_element_factory_make("alsasink", "sink");
// if(!m_sink)
// m_sink = gst_element_factory_make("osssink", "sink");
// Reversing order. OSS seems to work. Alsa sink produces ugly echo of last
// couple of words in each wav file. argh!
// kdDebug() << "GStreamerPlayer::setupPipeline: trying oss sink." << endl;
m_sink = gst_element_factory_make("osssink", "sink");
if(!m_sink)
{
// kdDebug() << "GStreamerPlayer::setupPipeline: reverting to alsa sink." << endl;
m_sink = gst_element_factory_make("alsasink", "sink");
}
}
gst_bin_add_many(GST_BIN(m_pipeline), m_source, m_decoder, m_volume, m_sink, 0);
gst_element_link_many(m_source, m_decoder, m_volume, m_sink, 0);
}
long long GStreamerPlayer::time(GstQueryType type) const
{
gint64 ns = 0;
GstFormat format = GST_FORMAT_TIME;
gst_element_query(m_sink, type, &format, &ns);
return ns;
}
// vim: set et sw=4:
|
