1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Audio Encoder Capabilities Interface Implementation |
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15 * |
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16 */ |
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17 |
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18 #include <stdio.h> |
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19 #include <stdlib.h> |
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20 #include <assert.h> |
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21 #include <string.h> |
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22 |
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23 #include "xaglobals.h" |
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24 #include "xaadptbasectx.h" |
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25 #include "xaaudiodecodercapabilitiesitf.h" |
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26 #include "xacapabilitiesmgr.h" |
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27 /* XAAudioDecoderCapabilitiesItfImpl* GetImpl |
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28 * Description: Validate interface pointer and cast it to implementation pointer. |
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29 */ |
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30 static XAAudioDecoderCapabilitiesItfImpl* GetImpl( |
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31 XAAudioDecoderCapabilitiesItf self) |
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32 { |
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33 if (self) |
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34 { |
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35 XAAudioDecoderCapabilitiesItfImpl* impl = |
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36 (XAAudioDecoderCapabilitiesItfImpl*) (*self); |
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37 if (impl && (impl == impl->self)) |
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38 { |
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39 return impl; |
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40 } |
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41 } |
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42 return NULL; |
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43 } |
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44 |
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45 /***************************************************************************** |
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46 * Base interface XAAudioDecoderCapabilitiesItf implementation |
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47 *****************************************************************************/ |
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48 |
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49 /* XAresult XAAudioDecoderCapabilitiesItfImpl_GetAudioDecoders |
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50 * Description: Retrieves the available audio decoders. |
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51 */ |
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52 XAresult XAAudioDecoderCapabilitiesItfImpl_GetAudioDecoders( |
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53 XAAudioDecoderCapabilitiesItf self, XAuint32* pNumDecoders, |
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54 XAuint32* pDecoderIds) |
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55 { |
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56 XAAudioDecoderCapabilitiesItfImpl* impl = GetImpl(self); |
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57 XAresult res = XA_RESULT_SUCCESS; |
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58 |
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59 DEBUG_API("->XAAudioDecoderCapabilitiesItfImpl_GetAudioDecoders"); |
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60 |
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61 if (!impl || !pNumDecoders) |
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62 { |
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63 DEBUG_ERR("XA_RESULT_PARAMETER_INVALID"); |
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64 res = XA_RESULT_PARAMETER_INVALID; |
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65 } |
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66 else |
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67 { |
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68 if (pDecoderIds) |
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69 { /* query array of decoders */ |
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70 if (*pNumDecoders < impl->numCodecs) |
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71 { |
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72 DEBUG_ERR("XA_RESULT_BUFFER_INSUFFICIENT"); |
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73 res = XA_RESULT_BUFFER_INSUFFICIENT; |
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74 } |
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75 else |
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76 { |
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77 |
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78 XAuint32 i = 0; |
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79 XACapabilities temp; |
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80 for (i = 0; i < impl->numCodecs; i++) |
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81 { |
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82 /* query decoder id from adaptation using index value */ |
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83 XACapabilitiesMgr_GetCapsByIdx(NULL, |
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84 (XACapsType) (XACAP_DECODER | XACAP_AUDIO), i, |
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85 &temp); |
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86 pDecoderIds[i] = temp.xaid; |
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87 } |
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88 |
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89 } |
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90 } |
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91 /* return number of decoders */ |
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92 *pNumDecoders = impl->numCodecs; |
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93 }DEBUG_API("<-XAAudioDecoderCapabilitiesItfImpl_GetAudioDecoders"); |
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94 return res; |
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95 } |
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96 |
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97 /* XAresult XAAudioDecoderCapabilitiesItfImpl_GetAudioDecoderCapabilities |
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98 * Description: Queries for the audio decoder�s capabilities. |
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99 */ |
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100 XAresult XAAudioDecoderCapabilitiesItfImpl_GetAudioDecoderCapabilities( |
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101 XAAudioDecoderCapabilitiesItf self, XAuint32 decoderId, |
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102 XAuint32* pIndex, XAAudioCodecDescriptor* pDescriptor) |
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103 { |
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104 XAAudioDecoderCapabilitiesItfImpl* impl = GetImpl(self); |
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105 XAresult res = XA_RESULT_SUCCESS; |
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106 |
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107 DEBUG_API("->XAAudioDecoderCapabilitiesItfImpl_GetAudioDecoderCapabilities"); |
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108 |
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109 if (!impl || !pIndex) |
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110 { |
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111 DEBUG_ERR("XA_RESULT_PARAMETER_INVALID"); |
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112 res = XA_RESULT_PARAMETER_INVALID; |
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113 } |
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114 else |
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115 { |
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116 if (!pDescriptor) |
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117 { /* query number of capa structures */ |
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118 *pIndex = 1; |
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119 } |
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120 else |
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121 { /* query capabilities */ |
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122 if (*pIndex >= 1) |
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123 { |
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124 DEBUG_ERR("XA_RESULT_PARAMETER_INVALID"); |
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125 res = XA_RESULT_PARAMETER_INVALID; |
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126 } |
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127 else |
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128 { |
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129 |
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130 /* query capabilities from adaptation using codec id */ |
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131 XACapabilities temp; |
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132 memset(pDescriptor, 0, sizeof(XAAudioCodecDescriptor)); |
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133 res = XACapabilitiesMgr_GetCapsById(NULL, |
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134 (XACapsType) (XACAP_DECODER | XACAP_AUDIO), |
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135 decoderId, &temp); |
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136 if (res == XA_RESULT_SUCCESS) |
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137 { |
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138 XAAudioCodecDescriptor* desc = |
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139 ((XAAudioCodecDescriptor*) (temp.pEntry)); |
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140 /* map applicable values to XAAudioCodecCapabilities */ |
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141 pDescriptor->maxChannels = desc->maxChannels; |
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142 pDescriptor->minSampleRate = desc->minSampleRate; /* milliHz */ |
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143 if (desc->maxSampleRate < (0xFFFFFFFF)) |
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144 { |
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145 pDescriptor->maxSampleRate = desc->maxSampleRate; |
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146 } |
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147 else |
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148 { |
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149 pDescriptor->maxSampleRate = 0xFFFFFFFF; |
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150 } |
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151 pDescriptor->minBitsPerSample = desc->minBitsPerSample; |
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152 pDescriptor->maxBitsPerSample = desc->maxBitsPerSample; |
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153 pDescriptor->isFreqRangeContinuous=desc->isFreqRangeContinuous; |
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154 pDescriptor->minBitRate = desc->minBitRate; |
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155 pDescriptor->maxBitRate = desc->maxBitRate; |
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156 pDescriptor->numBitratesSupported |
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157 = desc->numBitratesSupported; |
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158 pDescriptor->isBitrateRangeContinuous=desc->isBitrateRangeContinuous; |
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159 pDescriptor->profileSetting=desc->profileSetting; |
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160 pDescriptor->modeSetting=desc->modeSetting; /* no chanmode for pcm defined */ |
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161 |
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162 } |
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163 else |
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164 { |
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165 /* do nothing */ |
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166 } |
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167 /*other caps undefined*/ |
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168 } |
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169 |
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170 } |
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171 } |
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172 |
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173 |
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174 DEBUG_API("<-XAAudioDecoderCapabilitiesItfImpl_GetAudioDecoderCapabilities"); |
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175 return res; |
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176 } |
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177 |
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178 /***************************************************************************** |
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179 * XAAudioDecoderCapabilitiesItfImpl -specific methods |
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180 *****************************************************************************/ |
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181 |
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182 /* XAAudioDecoderCapabilitiesItfImpl_Create |
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183 * Description: Allocate and initialize XAAudioDecoderCapabilitiesItfImpl |
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184 */ |
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185 XAAudioDecoderCapabilitiesItfImpl* XAAudioDecoderCapabilitiesItfImpl_Create() |
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186 { |
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187 XAAudioDecoderCapabilitiesItfImpl* self = |
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188 (XAAudioDecoderCapabilitiesItfImpl*) calloc(1, |
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189 sizeof(XAAudioDecoderCapabilitiesItfImpl)); |
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190 |
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191 DEBUG_API("->XAAudioDecoderCapabilitiesItfImpl_Create"); |
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192 |
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193 if (self) |
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194 { |
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195 /* init itf default implementation */ |
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196 self->itf.GetAudioDecoders |
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197 = XAAudioDecoderCapabilitiesItfImpl_GetAudioDecoders; |
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198 self->itf.GetAudioDecoderCapabilities |
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199 = XAAudioDecoderCapabilitiesItfImpl_GetAudioDecoderCapabilities; |
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200 |
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201 /* init variables */ |
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202 |
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203 assert( XACapabilitiesMgr_GetCapsCount(NULL, (XACapsType)(XACAP_DECODER|XACAP_AUDIO), |
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204 &(self->numCodecs) ) == XA_RESULT_SUCCESS ); |
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205 |
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206 self->self = self; |
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207 }DEBUG_API("<-XAAudioDecoderCapabilitiesItfImpl_Create"); |
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208 return self; |
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209 } |
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210 |
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211 /* void XAAudioDecoderCapabilitiesItfImpl_Free |
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212 * Description: Free all resources reserved at XAAudioDecoderCapabilitiesItfImpl_Create |
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213 */ |
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214 void XAAudioDecoderCapabilitiesItfImpl_Free( |
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215 XAAudioDecoderCapabilitiesItfImpl* self) |
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216 { |
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217 DEBUG_API("->XAAudioDecoderCapabilitiesItfImpl_Free"); |
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218 assert(self==self->self); |
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219 free(self); |
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220 DEBUG_API("<-XAAudioDecoderCapabilitiesItfImpl_Free"); |
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221 } |
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