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annotate engine/core/audio/soundclip.h @ 0:4a0efb7baf70

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* Datasets becomes the new trunk and retires after that :-)
author mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
date Sun, 29 Jun 2008 18:44:17 +0000
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children 90005975cdbb
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0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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1 /***************************************************************************
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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2 * Copyright (C) 2005-2008 by the FIFE team *
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3 * http://www.fifengine.de *
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4 * This file is part of FIFE. *
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5 * *
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6 * FIFE is free software; you can redistribute it and/or modify *
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7 * it under the terms of the GNU General Public License as published by *
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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8 * the Free Software Foundation; either version 2 of the License, or *
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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9 * (at your option) any later version. *
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10 * *
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11 * This program is distributed in the hope that it will be useful, *
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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14 * GNU General Public License for more details. *
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15 * *
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16 * You should have received a copy of the GNU General Public License *
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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17 * along with this program; if not, write to the *
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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18 * Free Software Foundation, Inc., *
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19 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA *
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20 ***************************************************************************/
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21
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22 #ifndef FIFE_SOUNDCLIP_H_
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23 #define FIFE_SOUNDCLIP_H_
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24
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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25 // Standard C++ library includes
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26 #include <vector>
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27
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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28 // Platform specific includes
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29
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30 // 3rd party library includes
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31
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32 // FIFE includes
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33 // These includes are split up in two parts, separated by one empty line
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34 // First block: files included from the FIFE root src directory
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35 // Second block: files included from the same folder
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36 #include "util/base/resourceclass.h"
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37
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38 #include "sounddecoder.h"
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39
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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40 namespace FIFE {
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41
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42 /** Different types of audio-file positions
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43 */
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44 enum SoundPositionType {
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45 SD_SAMPLE_POS,
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46 SD_TIME_POS,
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47 SD_BYTE_POS
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48 };
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49
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50 struct SoundBufferEntry {
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51 ALuint buffers[BUFFER_NUM];
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52 unsigned int usedbufs;
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53 unsigned long deccursor;
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54 };
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55
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56 /** Class to handle the buffers of an audio file
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57 */
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58 class SoundClip : public ResourceClass {
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59 public:
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60
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61 SoundClip(SoundDecoder* decptr, bool deletedecoder = true);
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62
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63 ~SoundClip();
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64
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65 // TODO: fill in these stubs! Note: m_location is _not_ properly initialized.
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66 virtual const ResourceLocation& getResourceLocation() { return m_location; }
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67
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68 virtual void setResourceLocation(const ResourceLocation& location) { }
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69 virtual void setResourceFile(const std::string& filename) { }
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70
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71 /** Does this SoundClip require a streaming mechanism?
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72 *
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73 * @return Returns true if streaming is required, false if not.
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74 */
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75 bool isStream() {
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76 return m_isstream;
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77 }
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78
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79 /** Returns the number of buffers used by the SoundClip
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80 * (only for non-streaming sound clips)
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81 *
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82 * @return Returns the number of buffers.
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83 */
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84 unsigned int countBuffers() {
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85 return m_buffervec.at(0)->usedbufs;
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86 }
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87
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88 /** Returns the array of buffers for queuing
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89 *
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90 */
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91 ALuint* getBuffers(unsigned int streamid = 0) {
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92 return m_buffervec.at(streamid)->buffers;
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93 }
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94
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95 /** Starts streaming the soundclip
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96 * @return Returns the streamid
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97 */
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98 unsigned int beginStreaming();
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99
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100 /** Fills the streaming-buffers with initial data
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101 *
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102 * @param streamid The stream ID
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103 */
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104 void acquireStream(unsigned int streamid);
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105
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106 /** Sets the stream position
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107 * @return True if position is invalid (EOF has been reached)
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108 */
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109 bool setStreamPos(unsigned int streamid, SoundPositionType type, float value);
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110
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111 /** Gets the stream position
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112 */
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113 float getStreamPos(unsigned int streamid, SoundPositionType type);
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114
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115 /** Refill a processed buffer with new data
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116 *
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117 * @return True if file was EOF
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118 * @param streamid The stream ID
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119 */
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120 bool getStream(unsigned int streamid, ALuint buffer);
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121
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122 /** Quits Streaming
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123 */
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124 void quitStreaming(unsigned int streamid);
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125
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126 //void addRef() {
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127 // m_refcount++;
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128 //}
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129 //void decRef() {
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130 // m_refcount--;
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131 //}
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132 // unsigned int getRefCount() {
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133 // return m_refcount;
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134 // }
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135
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136 /** Returns the attached decoder
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137 */
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138 SoundDecoder* getDecoder() {
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139 return m_decoder;
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140 }
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141
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142 private:
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143 ResourceLocation m_location;
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144 //unsigned int m_refcount; // Reference count of that soundclip
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145 bool m_isstream; // is stream?
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146 SoundDecoder* m_decoder; // attached decoder
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147 bool m_deletedecoder; // when loadFromDecoder-method is used, decoder shouldn't be deleted
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148 std::vector<SoundBufferEntry*> m_buffervec;
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149 };
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150 }
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151
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152 #endif