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annotate engine/core/audio/soundclip.cpp @ 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
parents
children 90005975cdbb
rev   line source
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 *
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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3 * http://www.fifengine.de *
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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4 * This file is part of FIFE. *
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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5 * *
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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6 * FIFE is free software; you can redistribute it and/or modify *
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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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 *
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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9 * (at your option) any later version. *
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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10 * *
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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11 * This program is distributed in the hope that it will be useful, *
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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14 * GNU General Public License for more details. *
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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15 * *
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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16 * You should have received a copy of the GNU General Public License *
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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17 * along with this program; if not, write to the *
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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18 * Free Software Foundation, Inc., *
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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19 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA *
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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20 ***************************************************************************/
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21
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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22 // Standard C++ library includes
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23
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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24 // Platform specific includes
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25
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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26 // 3rd party library includes
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27
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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28 // FIFE includes
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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29 // These includes are split up in two parts, separated by one empty line
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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30 // First block: files included from the FIFE root src directory
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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31 // Second block: files included from the same folder
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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32 #include "util/base/exception.h"
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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33 #include "util/log/logger.h"
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34
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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35 #include "soundclip.h"
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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36
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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37 namespace FIFE {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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38 static Logger _log(LM_AUDIO);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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39
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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40 SoundClip::SoundClip(SoundDecoder* decptr, bool deletedecoder) : m_location(ResourceLocation("")), m_isstream(decptr->needsStreaming()), m_decoder(decptr), m_deletedecoder(deletedecoder) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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41 if (!m_isstream) {
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42
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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43 // only for non-streaming buffers
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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44 SoundBufferEntry* ptr = new SoundBufferEntry();
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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45
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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46 // iterate the bufs and fill them with data
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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47 for (int i = 0; i < BUFFER_NUM; i++) {
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48
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49 if (m_decoder->decode(BUFFER_LEN)) {
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50 // EOF or error
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51 break;
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52 }
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53
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54 // generate buffer and fill it with data
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55 alGenBuffers(1, &ptr->buffers[i]);
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56
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57 alBufferData(ptr->buffers[i], m_decoder->getALFormat(), m_decoder->getBuffer(),
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58 m_decoder->getBufferSize(), m_decoder->getSampleRate());
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59
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60 CHECK_OPENAL_LOG(_log, LogManager::LEVEL_ERROR, "error copying data to buffers")
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61
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62 ptr->usedbufs++;
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63 }
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64
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65 m_decoder->releaseBuffer();
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66
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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67 // push the buffer information to the vector
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68 m_buffervec.push_back(ptr);
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69
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70 }
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71 }
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72
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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73 unsigned int SoundClip::beginStreaming() {
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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74 // create new sound buffer entry
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75 SoundBufferEntry* ptr = new SoundBufferEntry();
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76 ptr->usedbufs=0;
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77 alGenBuffers(BUFFER_NUM, ptr->buffers);
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78
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79 CHECK_OPENAL_LOG(_log, LogManager::LEVEL_ERROR, "error creating streaming-buffers")
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80
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81 m_buffervec.push_back(ptr);
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82
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83 return m_buffervec.size()-1;
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84 }
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85
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86 bool SoundClip::setStreamPos(unsigned int streamid, SoundPositionType type, float value) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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87 unsigned long pos = 0;
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88
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89 // convert position to bytes
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90 switch (type) {
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91 case SD_BYTE_POS:
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92 pos = static_cast<unsigned long>(value);
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93 break;
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94 case SD_TIME_POS:
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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95 value *= m_decoder->getSampleRate();
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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96 case SD_SAMPLE_POS:
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97 pos = static_cast<unsigned long>((m_decoder->getBitResolution() / 8) * (m_decoder->isStereo() ? 2 : 1) * value);
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98 break;
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99 }
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100
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101 if (pos > m_decoder->getDecodedLength()) {
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102 // EOF!
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103 return true;
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104 }
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105
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106 // set cursor position
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107 m_buffervec.at(streamid)->deccursor = pos;
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108 return false;
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109 }
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110
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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111 float SoundClip::getStreamPos(unsigned int streamid, SoundPositionType type) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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112 unsigned long pos = m_buffervec.at(streamid)->deccursor;
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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113 switch(type) {
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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114 case SD_BYTE_POS:
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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115 return pos;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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116 case SD_SAMPLE_POS:
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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117 return pos / (m_decoder->getBitResolution() / 8 * (m_decoder->isStereo() ? 2 : 1));
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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118 case SD_TIME_POS:
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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119 return pos / (m_decoder->getBitResolution() / 8 * (m_decoder->isStereo() ? 2 : 1) * m_decoder->getSampleRate());
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120 }
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121 return 0.0f;
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122 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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123
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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124 void SoundClip::acquireStream(unsigned int streamid) {
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125
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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126 SoundBufferEntry* ptr = m_buffervec.at(streamid);
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127
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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128 for (int i = 0; i < BUFFER_NUM; i++) {
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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129 getStream(streamid, ptr->buffers[i]);
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130 }
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131 }
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132
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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133 bool SoundClip::getStream(unsigned int streamid, ALuint buffer) {
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134
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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135 SoundBufferEntry* ptr = m_buffervec.at(streamid);
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136
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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137 if (ptr->deccursor >= m_decoder->getDecodedLength()) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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138 // EOF!
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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139 return true;
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140 }
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141
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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142 // set cursor of decoder
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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143 m_decoder->setCursor(ptr->deccursor);
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144
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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145 // Error while decoding file?
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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146 if (m_decoder->decode(BUFFER_LEN)) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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147 throw Exception("error while reading from audio file");
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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148 }
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149
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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150 // fill the buffer with data
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
151 alBufferData(buffer, m_decoder->getALFormat(),
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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152 m_decoder->getBuffer(), m_decoder->getBufferSize(), m_decoder->getSampleRate());
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153
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
154 m_decoder->releaseBuffer();
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155
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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156 // update cursor
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
157 ptr->deccursor += BUFFER_LEN;
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158
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
159 CHECK_OPENAL_LOG(_log, LogManager::LEVEL_ERROR, "error catching stream")
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diff changeset
160
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
161 return false;
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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162 }
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163
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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164 void SoundClip::quitStreaming(unsigned int streamid) {
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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165 // release the buffers
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
166 SoundBufferEntry* ptr = m_buffervec.at(streamid);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
167 alDeleteBuffers(BUFFER_NUM, ptr->buffers);
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
168 ptr->buffers[0] = 0;
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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169 }
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170
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
171 SoundClip::~SoundClip() {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
172 if (m_isstream) {
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
173 // erase all elements from the list
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
174 std::vector<SoundBufferEntry*>::iterator it;
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
175
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
176 for (it = m_buffervec.begin(); it != m_buffervec.end(); ++it) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
177 if ((*it)->buffers[0] != 0) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
178 alDeleteBuffers(BUFFER_NUM, (*it)->buffers);
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
179 }
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
180 delete (*it);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
181 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
182 m_buffervec.clear();
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
183 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
184 else {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
185 // for non-streaming soundclips
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
186 SoundBufferEntry* ptr = m_buffervec.at(0);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
187
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
188 for(unsigned int i = 0; i < ptr->usedbufs; i++) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
189 alDeleteBuffers(1, &ptr->buffers[i]);
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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diff changeset
190 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
191 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
192
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
193 // delete decoder
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
194 if (m_deletedecoder && m_decoder != NULL) {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
195 delete m_decoder;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
196 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
197 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
198 }