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
|
/**
* @file llviewermedia_streamingaudio.h
* @author Tofu Linden, Sam Kolb
* @brief LLStreamingAudio_MediaPlugins implementation - an implementation of the streaming audio interface which is implemented as a client of the media plugin API.
*
* $LicenseInfo:firstyear=2009&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "linden_common.h"
#include "llpluginclassmedia.h"
#include "llpluginclassmediaowner.h"
#include "llviewermedia.h"
#include "llviewermedia_streamingaudio.h"
#include "llmimetypes.h"
#include "lldir.h"
#include "llnotificationmanager.h"
LLStreamingAudio_MediaPlugins::LLStreamingAudio_MediaPlugins() :
mMediaPlugin(NULL),
mGain(1.0)
{
// nothing interesting to do?
// we will lazily create a media plugin at play-time, if none exists.
}
LLStreamingAudio_MediaPlugins::~LLStreamingAudio_MediaPlugins()
{
delete mMediaPlugin;
mMediaPlugin = NULL;
}
void LLStreamingAudio_MediaPlugins::start(const std::string& url)
{
if (!mMediaPlugin) // lazy-init the underlying media plugin
{
mMediaPlugin = initializeMedia("audio/mpeg"); // assumes that whatever media implementation supports mp3 also supports vorbis.
LL_INFOS() << "streaming audio mMediaPlugin is now " << mMediaPlugin << LL_ENDL;
}
if(!mMediaPlugin)
return;
if (!url.empty()) {
LL_INFOS() << "Starting internet stream: " << url << LL_ENDL;
mURL = url;
mMediaPlugin->loadURI ( url );
mMediaPlugin->start();
LL_INFOS() << "Playing stream..." << LL_ENDL;
} else {
LL_INFOS() << "setting stream to NULL"<< LL_ENDL;
mURL.clear();
mMediaPlugin->stop();
}
}
void LLStreamingAudio_MediaPlugins::stop()
{
LL_INFOS() << "Stopping internet stream." << LL_ENDL;
if(mMediaPlugin)
{
mMediaPlugin->stop();
}
mURL.clear();
}
void LLStreamingAudio_MediaPlugins::pause(int pause)
{
if(!mMediaPlugin)
return;
if(pause)
{
LL_INFOS() << "Pausing internet stream." << LL_ENDL;
mMediaPlugin->pause();
}
else
{
LL_INFOS() << "Unpausing internet stream." << LL_ENDL;
mMediaPlugin->start();
}
}
void LLStreamingAudio_MediaPlugins::update()
{
if (mMediaPlugin)
mMediaPlugin->idle();
}
int LLStreamingAudio_MediaPlugins::isPlaying()
{
if (!mMediaPlugin)
return 0; // stopped
LLPluginClassMediaOwner::EMediaStatus status =
mMediaPlugin->getStatus();
auto nowPlaying = mMediaPlugin->getMediaNowPlaying();
if (mNowPlaying != nowPlaying)
{
LLNotificationsUI::LLNotificationManager::instance().onChat(LLChat{llformat("Now playing %s.", nowPlaying.c_str())}, LLSD{});
mNowPlaying = nowPlaying;
}
switch (status)
{
case LLPluginClassMediaOwner::MEDIA_LOADING: // but not MEDIA_LOADED
case LLPluginClassMediaOwner::MEDIA_PLAYING:
return 1; // Active and playing
case LLPluginClassMediaOwner::MEDIA_PAUSED:
return 2; // paused
default:
return 0; // stopped
}
}
void LLStreamingAudio_MediaPlugins::setGain(F32 vol)
{
mGain = vol;
if(!mMediaPlugin)
return;
vol = llclamp(vol, 0.f, 1.f);
mMediaPlugin->setVolume(vol);
}
F32 LLStreamingAudio_MediaPlugins::getGain()
{
return mGain;
}
std::string LLStreamingAudio_MediaPlugins::getURL()
{
return mURL;
}
LLPluginClassMedia* LLStreamingAudio_MediaPlugins::initializeMedia(const std::string& media_type)
{
LLPluginClassMediaOwner* owner = NULL;
S32 default_size = 1; // audio-only - be minimal, doesn't matter
F64 default_zoom = 1.0;
LLPluginClassMedia* media_source = LLViewerMediaImpl::newSourceFromMediaType(media_type, owner, default_size, default_size, default_zoom);
if (media_source)
{
media_source->setLoop(false); // audio streams are not expected to loop
}
return media_source;
}
|
