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author | Armin Weatherwax | 2010-06-14 12:04:49 +0200 |
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committer | Armin Weatherwax | 2010-09-23 15:38:25 +0200 |
commit | 35df5441d3e2789663532c948731aff3a1e04728 (patch) | |
tree | ac7674289784a5f96106ea507637055a8dada78a /linden/indra/llmedia/llmediaimplexample1.cpp | |
parent | Changed version to Experimental 2010.09.18 (diff) | |
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llmediaplugins first step
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-rw-r--r-- | linden/indra/llmedia/llmediaimplexample1.cpp | 231 |
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diff --git a/linden/indra/llmedia/llmediaimplexample1.cpp b/linden/indra/llmedia/llmediaimplexample1.cpp deleted file mode 100644 index fe7b7e2..0000000 --- a/linden/indra/llmedia/llmediaimplexample1.cpp +++ /dev/null | |||
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1 | /** | ||
2 | * @file llmediaimplexample1.cpp | ||
3 | * @brief Example 1 of a media impl concrete class | ||
4 | * | ||
5 | * $LicenseInfo:firstyear=2007&license=viewergpl$ | ||
6 | * | ||
7 | * Copyright (c) 2007-2009, Linden Research, Inc. | ||
8 | * | ||
9 | * Second Life Viewer Source Code | ||
10 | * The source code in this file ("Source Code") is provided by Linden Lab | ||
11 | * to you under the terms of the GNU General Public License, version 2.0 | ||
12 | * ("GPL"), unless you have obtained a separate licensing agreement | ||
13 | * ("Other License"), formally executed by you and Linden Lab. Terms of | ||
14 | * the GPL can be found in doc/GPL-license.txt in this distribution, or | ||
15 | * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2 | ||
16 | * | ||
17 | * There are special exceptions to the terms and conditions of the GPL as | ||
18 | * it is applied to this Source Code. View the full text of the exception | ||
19 | * in the file doc/FLOSS-exception.txt in this software distribution, or | ||
20 | * online at | ||
21 | * http://secondlifegrid.net/programs/open_source/licensing/flossexception | ||
22 | * | ||
23 | * By copying, modifying or distributing this software, you acknowledge | ||
24 | * that you have read and understood your obligations described above, | ||
25 | * and agree to abide by those obligations. | ||
26 | * | ||
27 | * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO | ||
28 | * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, | ||
29 | * COMPLETENESS OR PERFORMANCE. | ||
30 | * $/LicenseInfo$ | ||
31 | */ | ||
32 | |||
33 | #include "llmediaimplexample1.h" | ||
34 | #include "llmediaimplregister.h" | ||
35 | |||
36 | #include <cstring> | ||
37 | |||
38 | // register this impl with media manager factory | ||
39 | static LLMediaImplRegister sLLMediaImplExample1Reg( "LLMediaImplExample1", new LLMediaImplExample1Maker() ); | ||
40 | |||
41 | #include <iostream> | ||
42 | |||
43 | #include <time.h> | ||
44 | |||
45 | /////////////////////////////////////////////////////////////////////////////// | ||
46 | // | ||
47 | LLMediaImplExample1Maker::LLMediaImplExample1Maker() | ||
48 | { | ||
49 | // Register to handle the scheme | ||
50 | mSchema.push_back( "example1" ); | ||
51 | } | ||
52 | |||
53 | /////////////////////////////////////////////////////////////////////////////// | ||
54 | // | ||
55 | LLMediaImplExample1::LLMediaImplExample1() : | ||
56 | mMediaPixels( 0 ) | ||
57 | { | ||
58 | setRequestedMediaSize( 400, 200 ); | ||
59 | setMediaDepth( 3 ); | ||
60 | |||
61 | srand( (unsigned int)(time( NULL )) ); | ||
62 | } | ||
63 | |||
64 | //////////////////////////////////////////////////////////////////////////////// | ||
65 | // (static) super-initialization - called once at application startup | ||
66 | bool LLMediaImplExample1::startup( LLMediaManagerData* init_data ) | ||
67 | { | ||
68 | return true; | ||
69 | } | ||
70 | |||
71 | //////////////////////////////////////////////////////////////////////////////// | ||
72 | // (static) super-uninitialization - called once at application closedown | ||
73 | bool LLMediaImplExample1::closedown() | ||
74 | { | ||
75 | return true; | ||
76 | } | ||
77 | |||
78 | //////////////////////////////////////////////////////////////////////////////// | ||
79 | // virtual | ||
80 | bool LLMediaImplExample1::init() | ||
81 | { | ||
82 | int buffer_size = getMediaBufferSize(); | ||
83 | |||
84 | mMediaPixels = new unsigned char[ buffer_size ]; | ||
85 | |||
86 | memset( mMediaPixels, 0xAA, buffer_size ); | ||
87 | |||
88 | return true; | ||
89 | } | ||
90 | |||
91 | //////////////////////////////////////////////////////////////////////////////// | ||
92 | // virtual | ||
93 | bool LLMediaImplExample1::navigateTo( const std::string url ) | ||
94 | { | ||
95 | std::cout << "LLMediaImplExample1::navigateTo" << std::endl; | ||
96 | |||
97 | setStatus( LLMediaBase::STATUS_NAVIGATING ); | ||
98 | |||
99 | // force a size change event for new URL | ||
100 | LLMediaEvent event( this ); | ||
101 | mEventEmitter.update( &LLMediaObserver::onMediaSizeChange, event ); | ||
102 | |||
103 | return true; | ||
104 | } | ||
105 | |||
106 | //////////////////////////////////////////////////////////////////////////////// | ||
107 | // virtual | ||
108 | std::string LLMediaImplExample1::getVersion() | ||
109 | { | ||
110 | std::string version_string = "[" + sLLMediaImplExample1Reg.getImplName() + "] - " + "1.0.0.0"; | ||
111 | |||
112 | return version_string; | ||
113 | } | ||
114 | |||
115 | //////////////////////////////////////////////////////////////////////////////// | ||
116 | // virtual | ||
117 | bool LLMediaImplExample1::updateMedia() | ||
118 | { | ||
119 | if ( mMediaPixels && getStatus() == LLMediaBase::STATUS_STARTED ) | ||
120 | { | ||
121 | // first time - make sure it's a few seconds back so first update happens immediately | ||
122 | static time_t t = time( 0 ) - 4; | ||
123 | |||
124 | // selected time period elapsed (1 second) | ||
125 | if ( time( 0 ) - t > 1 ) | ||
126 | { | ||
127 | // display checkerboard | ||
128 | const int num_squares = rand() % 20 + 4; | ||
129 | int sqr1_r = rand() % 0x80; | ||
130 | int sqr1_g = rand() % 0x80; | ||
131 | int sqr1_b = rand() % 0x80; | ||
132 | int sqr2_r = rand() % 0x80; | ||
133 | int sqr2_g = rand() % 0x80; | ||
134 | int sqr2_b = rand() % 0x80; | ||
135 | |||
136 | for ( int y1 = 0; y1 < num_squares; ++y1 ) | ||
137 | { | ||
138 | for ( int x1 = 0; x1 < num_squares; ++x1 ) | ||
139 | { | ||
140 | int px_start = getMediaWidth() * x1 / num_squares; | ||
141 | int px_end = ( getMediaWidth() * ( x1 + 1 ) ) / num_squares; | ||
142 | int py_start = getMediaHeight() * y1 / num_squares; | ||
143 | int py_end = ( getMediaHeight() * ( y1 + 1 ) ) / num_squares; | ||
144 | |||
145 | for( int y2 = py_start; y2 < py_end; ++y2 ) | ||
146 | { | ||
147 | for( int x2 = px_start; x2 < px_end; ++x2 ) | ||
148 | { | ||
149 | int rowspan = getMediaWidth() * getMediaDepth(); | ||
150 | |||
151 | if ( ( y1 % 2 ) ^ ( x1 % 2 ) ) | ||
152 | { | ||
153 | mMediaPixels[ y2 * rowspan + x2 * getMediaDepth() + 0 ] = sqr1_r; | ||
154 | mMediaPixels[ y2 * rowspan + x2 * getMediaDepth() + 1 ] = sqr1_g; | ||
155 | mMediaPixels[ y2 * rowspan + x2 * getMediaDepth() + 2 ] = sqr1_b; | ||
156 | } | ||
157 | else | ||
158 | { | ||
159 | mMediaPixels[ y2 * rowspan + x2 * getMediaDepth() + 0 ] = sqr2_r; | ||
160 | mMediaPixels[ y2 * rowspan + x2 * getMediaDepth() + 1 ] = sqr2_g; | ||
161 | mMediaPixels[ y2 * rowspan + x2 * getMediaDepth() + 2 ] = sqr2_b; | ||
162 | }; | ||
163 | }; | ||
164 | }; | ||
165 | }; | ||
166 | }; | ||
167 | |||
168 | // emit an event to say that something in the media stream changed | ||
169 | LLMediaEvent event( this ); | ||
170 | mEventEmitter.update( &LLMediaObserver::onMediaContentsChange, event ); | ||
171 | |||
172 | // reset time | ||
173 | t = time( 0 ); | ||
174 | |||
175 | return true; | ||
176 | }; | ||
177 | }; | ||
178 | |||
179 | // update the command (e.g. transport controls) state | ||
180 | updateCommand(); | ||
181 | |||
182 | return false; | ||
183 | } | ||
184 | |||
185 | //////////////////////////////////////////////////////////////////////////////// | ||
186 | // virtual | ||
187 | unsigned char* LLMediaImplExample1::getMediaData() | ||
188 | { | ||
189 | return mMediaPixels; | ||
190 | } | ||
191 | |||
192 | //////////////////////////////////////////////////////////////////////////////// | ||
193 | // virtual | ||
194 | bool LLMediaImplExample1::reset() | ||
195 | { | ||
196 | if ( mMediaPixels ) | ||
197 | { | ||
198 | delete [] mMediaPixels; | ||
199 | }; | ||
200 | |||
201 | return true; | ||
202 | } | ||
203 | |||
204 | //////////////////////////////////////////////////////////////////////////////// | ||
205 | // virtual | ||
206 | bool LLMediaImplExample1::mouseMove( int x_pos, int y_pos ) | ||
207 | { | ||
208 | if ( mMediaPixels && getStatus() == LLMediaBase::STATUS_STARTED ) | ||
209 | { | ||
210 | int base_pos = x_pos * getMediaDepth() + y_pos * getMediaDepth() * getMediaWidth(); | ||
211 | // example: write a bright pixel to the display when we move the mouse | ||
212 | mMediaPixels[ base_pos + 0 ] = rand() % 0x80 + 0x80; | ||
213 | mMediaPixels[ base_pos + 1 ] = rand() % 0x80 + 0x80; | ||
214 | mMediaPixels[ base_pos + 2 ] = rand() % 0x80 + 0x80; | ||
215 | |||
216 | // emit an event to say that something in the media stream changed | ||
217 | LLMediaEvent event( this ); | ||
218 | mEventEmitter.update( &LLMediaObserver::onMediaContentsChange, event ); | ||
219 | }; | ||
220 | |||
221 | return true; | ||
222 | } | ||
223 | |||
224 | |||
225 | //////////////////////////////////////////////////////////////////////////////// | ||
226 | // virtual | ||
227 | bool LLMediaImplExample1::setRequestedMediaSize( int width, int height ) | ||
228 | { | ||
229 | // we accept any size: | ||
230 | return setMediaSize(width, height); | ||
231 | } | ||