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: |
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15 * |
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16 */ |
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17 |
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18 #include <gst.h> |
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19 #include "unistd.h" |
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20 #include <pthread.h> |
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21 #include "XAMediaPlayerAdaptCtx.h" |
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22 #include "XAPlayItfAdaptation.h" |
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23 #include "XAAdaptation.h" |
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24 |
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25 extern XAboolean cameraRealized; |
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26 extern XACameraAdaptationCtx_* cameraCtx; |
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27 |
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28 /*forward declaration of position updater callback*/ |
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29 gboolean XAPlayItfAdapt_PositionUpdate(gpointer ctx); |
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30 |
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31 /* |
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32 * XAresult XAPlayItfAdapt_SetPlayState(XAAdaptationBaseCtx *bCtx, XAuint32 state) |
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33 * Sets play state to GStreamer. |
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34 * @param XAAdaptationBaseCtx *bCtx - Adaptation context, this will be casted to correct type regarding to contextID |
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35 * XAuint32 state - Play state to be set |
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36 * @return XAresult ret - Success value |
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37 */ |
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38 XAresult XAPlayItfAdapt_SetPlayState(XAAdaptationBaseCtx *bCtx, XAuint32 state) |
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39 { |
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40 XAresult ret = XA_RESULT_SUCCESS; |
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41 XAboolean requestStateChange = XA_BOOLEAN_FALSE; |
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42 GstStateChangeReturn gstRet = GST_STATE_CHANGE_SUCCESS; |
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43 XAMediaPlayerAdaptationCtx* mCtx = NULL; |
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44 XAuint32 locType = 0; |
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45 GstState gstOrigState = GST_STATE_PLAYING; |
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46 GstState gstTmpState = GST_STATE_PLAYING; |
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47 XADataLocator_Address *address = NULL; |
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48 XAboolean playing = XA_BOOLEAN_FALSE; |
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49 DEBUG_API_A1("->XAPlayItfAdapt_SetPlayState %s",PLAYSTATENAME(state)); |
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50 |
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51 if(!bCtx || bCtx->ctxId != XAMediaPlayerAdaptation) |
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52 { |
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53 DEBUG_ERR("XA_RESULT_PARAMETER_INVALID"); |
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54 return XA_RESULT_PARAMETER_INVALID; |
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55 } |
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56 |
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57 mCtx = (XAMediaPlayerAdaptationCtx*) bCtx; |
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58 switch ( state ) |
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59 { |
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60 case XA_PLAYSTATE_STOPPED: |
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61 { |
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62 if ( cameraCtx && cameraRealized && mCtx->isobjsrc && mCtx->source ) |
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63 { |
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64 cameraCtx->playing = XA_BOOLEAN_FALSE; |
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65 if(!cameraCtx->recording && !cameraCtx->snapshotting) |
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66 { |
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67 /* Future improvement: We could block MPObjSrc pad from tee-eleement here, when |
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68 * tee-element supports sending stream to one pad when others are blocked */ |
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69 |
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70 /* Neither view finder or recorder is running -> pause camera */ |
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71 if ( GST_STATE( GST_ELEMENT(mCtx->source)) == GST_STATE_PLAYING ) |
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72 { |
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73 GstStateChangeReturn gret; |
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74 DEBUG_INFO("Stop camera source"); |
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75 gret = gst_element_set_state( GST_ELEMENT(mCtx->source), GST_STATE_PAUSED ); |
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76 gret = gst_element_get_state( GST_ELEMENT(mCtx->source), NULL,NULL, XA_ADAPT_ASYNC_TIMEOUT_SHORT_NSEC ); |
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77 } |
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78 } |
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79 } |
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80 |
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81 gstOrigState = GST_STATE(bCtx->bin); |
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82 if ( gstOrigState != GST_STATE_READY ) |
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83 { |
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84 DEBUG_INFO("Set gst-bin to GST_STATE_READY"); |
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85 bCtx->binWantedState = GST_STATE_READY; |
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86 XAAdaptationBase_PrepareAsyncWait(bCtx); |
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87 gstRet = gst_element_set_state( GST_ELEMENT(bCtx->bin), GST_STATE_READY); |
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88 switch ( gstRet ) |
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89 { |
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90 case GST_STATE_CHANGE_FAILURE: |
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91 DEBUG_ERR_A1("FAILED to change state (target %s)", |
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92 gst_element_state_get_name(bCtx->binWantedState)); |
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93 bCtx->binWantedState = GST_STATE(bCtx->bin); |
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94 ret = XA_RESULT_INTERNAL_ERROR; |
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95 break; |
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96 case GST_STATE_CHANGE_ASYNC: |
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97 DEBUG_INFO_A1("Change state will happen asyncronously (target %s)", |
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98 gst_element_state_get_name(bCtx->binWantedState)); |
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99 XAAdaptationBase_StartAsyncWait(bCtx); |
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100 ret = XA_RESULT_SUCCESS; |
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101 break; |
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102 case GST_STATE_CHANGE_SUCCESS: |
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103 DEBUG_INFO_A1("Successfully changed state (target %s)", |
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104 gst_element_state_get_name(bCtx->binWantedState)); |
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105 break; |
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106 default: |
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107 DEBUG_ERR_A1("Unhandled error (%d)",gstRet); |
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108 break; |
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109 } |
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110 bCtx->waitingasyncop = XA_BOOLEAN_FALSE; |
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111 gstTmpState = GST_STATE(bCtx->bin); |
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112 DEBUG_INFO_A1("Setted gst-bin to state %s", gst_element_state_get_name(gstTmpState)); |
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113 |
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114 DEBUG_INFO_A1("Restoring gst-bin state to state %s", gst_element_state_get_name(gstOrigState)); |
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115 bCtx->binWantedState = gstOrigState; |
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116 XAAdaptationBase_PrepareAsyncWait(bCtx); |
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117 gstRet = gst_element_set_state( GST_ELEMENT(bCtx->bin), gstOrigState); |
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118 switch ( gstRet ) |
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119 { |
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120 case GST_STATE_CHANGE_FAILURE: |
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121 DEBUG_ERR_A1("FAILED to change state (target %s)", |
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122 gst_element_state_get_name(bCtx->binWantedState)); |
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123 bCtx->binWantedState = GST_STATE(bCtx->bin); |
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124 ret = XA_RESULT_INTERNAL_ERROR; |
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125 break; |
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126 case GST_STATE_CHANGE_ASYNC: |
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127 DEBUG_INFO_A1("Change state will happen asyncronously (target %s)", |
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128 gst_element_state_get_name(bCtx->binWantedState)); |
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129 XAAdaptationBase_StartAsyncWait(bCtx); |
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130 ret = XA_RESULT_SUCCESS; |
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131 break; |
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132 case GST_STATE_CHANGE_SUCCESS: |
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133 DEBUG_INFO_A1("Successfully changed state (target %s)", |
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134 gst_element_state_get_name(bCtx->binWantedState)); |
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135 break; |
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136 default: |
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137 DEBUG_ERR_A1("Unhandled error (%d)",gstRet); |
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138 break; |
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139 } |
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140 bCtx->waitingasyncop = XA_BOOLEAN_FALSE; |
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141 gstOrigState = GST_STATE(bCtx->bin); |
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142 DEBUG_INFO_A1("Restored gst-bin to state %s", gst_element_state_get_name(gstOrigState)); |
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143 } |
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144 |
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145 |
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146 if( bCtx->pipeSrcThrCtx.dataHandle ) |
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147 { |
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148 XAresult retVal = XA_RESULT_SUCCESS; |
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149 if ( bCtx->pipeSrcThrCtx.state != CPStateNull ) |
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150 { |
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151 bCtx->pipeSrcThrCtx.state = CPStateStopped; |
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152 } |
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153 |
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154 retVal = XAImpl_PostSemaphore( bCtx->pipeSrcThrCtx.stateSem ); |
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155 if ( retVal != XA_RESULT_SUCCESS ) |
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156 { |
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157 DEBUG_ERR("Could not post content pipe semaphore!"); |
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158 } |
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159 |
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160 } |
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161 /* stop head and drive head to beginning */ |
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162 bCtx->binWantedState = GST_STATE_PAUSED; |
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163 if(mCtx->runpositiontimer > 0) |
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164 { |
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165 g_source_remove(mCtx->runpositiontimer); |
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166 mCtx->runpositiontimer=0; |
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167 } |
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168 |
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169 gst_element_send_event(bCtx->bin,gst_event_new_flush_start()); |
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170 gst_element_send_event(bCtx->bin,gst_event_new_flush_stop()); |
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171 |
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172 locType = *((XAuint32*)( mCtx->xaSource->pLocator )); |
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173 if( locType == XA_DATALOCATOR_ADDRESS ) |
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174 { |
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175 address = (XADataLocator_Address*)(mCtx->xaSource->pLocator); |
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176 |
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177 /* init gst buffer from datalocator */ |
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178 if( mCtx->source ) |
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179 { |
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180 GstBuffer* userBuf = NULL; |
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181 |
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182 /* init GST buffer from XADataLocator*/ |
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183 userBuf = gst_buffer_new(); |
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184 if( userBuf ) |
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185 { |
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186 userBuf->size = address->length; |
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187 userBuf->data = address->pAddress; |
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188 /* push the whole buffer to appsrc so it is ready for preroll */ |
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189 DEBUG_INFO("Pushing buffer"); |
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190 gst_app_src_push_buffer( GST_APP_SRC(mCtx->source), userBuf ); |
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191 DEBUG_INFO_A1("Sent buffer at 0x%x to appsrc", userBuf ); |
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192 gst_app_src_end_of_stream( GST_APP_SRC(mCtx->source) ); |
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193 } |
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194 else |
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195 { |
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196 DEBUG_ERR("Failure allocating buffer!"); |
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197 } |
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198 } |
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199 } |
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200 break; |
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201 } |
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202 case XA_PLAYSTATE_PAUSED: |
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203 |
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204 if ( cameraCtx && cameraRealized && mCtx->isobjsrc && mCtx->source ) |
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205 { |
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206 cameraCtx->playing = XA_BOOLEAN_FALSE; |
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207 |
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208 /* Future improvement: We could block MPObjSrc pad from tee-eleement here, when |
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209 * tee-element supports sending stream to one pad when others are blocked */ |
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210 |
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211 if(!cameraCtx->recording && !cameraCtx->snapshotting) |
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212 { |
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213 /* Neither view finder or recorder is running -> pause camera */ |
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214 if ( GST_STATE( GST_ELEMENT(mCtx->source)) == GST_STATE_PLAYING ) |
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215 { |
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216 GstStateChangeReturn gret; |
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217 DEBUG_INFO("Stop camera source"); |
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218 gret = gst_element_set_state( GST_ELEMENT(mCtx->source), GST_STATE_PAUSED ); |
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219 gret = gst_element_get_state( GST_ELEMENT(mCtx->source), NULL,NULL, XA_ADAPT_ASYNC_TIMEOUT_SHORT_NSEC ); |
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220 } |
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221 } |
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222 } |
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223 |
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224 if ( bCtx->pipeSrcThrCtx.state != CPStateNull ) |
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225 { |
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226 bCtx->pipeSrcThrCtx.state = CPStatePaused; |
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227 } |
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228 bCtx->binWantedState = GST_STATE_PAUSED; |
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229 if(mCtx->runpositiontimer > 0) |
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230 { |
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231 g_source_remove(mCtx->runpositiontimer); |
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232 mCtx->runpositiontimer=0; |
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233 } |
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234 break; |
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235 case XA_PLAYSTATE_PLAYING: |
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236 { |
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237 if ( cameraCtx && mCtx->isobjsrc ) |
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238 { |
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239 cameraCtx->playing = XA_BOOLEAN_TRUE; |
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240 } |
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241 |
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242 if ( mCtx->videoppBScrbin ) |
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243 { |
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244 gst_element_set_state( GST_ELEMENT(mCtx->videoppBScrbin), GST_STATE_PAUSED); |
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245 } |
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246 if (mCtx->isobjsrc && !mCtx->cameraSinkSynced && cameraCtx ) |
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247 { /* create videosink now */ |
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248 mCtx->cameraSinkSynced = XA_BOOLEAN_TRUE; |
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249 if ( mCtx->videosink ) |
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250 { |
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251 gst_element_unlink( mCtx->filter,mCtx->videosink ); |
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252 gst_element_set_state( GST_ELEMENT(mCtx->videosink), GST_STATE_NULL); |
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253 gst_bin_remove( GST_BIN(mCtx->baseObj.bin), mCtx->videosink); |
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254 mCtx->videosink = XAAdaptationBase_CreateGstSink( mCtx->xaVideoSink, "videosink", &(mCtx->isobjvsink) ); |
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255 gst_bin_add(GST_BIN(mCtx->baseObj.bin), mCtx->videosink); |
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256 gst_element_link(mCtx->filter, mCtx->videosink); |
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257 } |
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258 } |
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259 |
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260 if ( bCtx->pipeSrcThrCtx.state != CPStateNull ) |
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261 { |
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262 XAresult retVal = XA_RESULT_SUCCESS; |
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263 |
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264 if ( bCtx->pipeSrcThrCtx.state == CPStateInitialized ) |
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265 { /* Start thread if it's not running */ |
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266 retVal = XAImpl_StartThread( &(bCtx->pipeSrcThr), NULL, &XAAdaptationBase_ContentPipeScrThrFunc, &(bCtx->pipeSrcThrCtx) ); |
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267 if ( retVal != XA_RESULT_SUCCESS ) |
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268 { |
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269 DEBUG_ERR("Could not start content pipe thread!"); |
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270 } |
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271 } |
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272 if ( bCtx->pipeSrcThrCtx.state == CPStatePaused || |
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273 bCtx->pipeSrcThrCtx.state == CPStateInitialized || |
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274 bCtx->pipeSrcThrCtx.state == CPStateStarted ) |
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275 retVal = XAImpl_PostSemaphore( bCtx->pipeSrcThrCtx.stateSem ); |
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276 if ( retVal != XA_RESULT_SUCCESS ) |
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277 { |
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278 DEBUG_ERR("Could not post content pipe semaphore!"); |
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279 } |
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280 } |
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281 |
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282 bCtx->binWantedState = GST_STATE_PLAYING; |
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283 if(mCtx->playrate!=1 && !mCtx->isobjsrc) |
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284 { /*set seek element for ff, rew and slow*/ |
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285 XAAdaptationBase_PrepareAsyncWait(bCtx); |
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286 DEBUG_INFO_A1("Apply new playrate %f.", mCtx->playrate); |
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287 if(!gst_element_seek( bCtx->bin, mCtx->playrate, GST_FORMAT_TIME, |
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288 GST_SEEK_FLAG_FLUSH|GST_SEEK_FLAG_ACCURATE, |
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289 GST_SEEK_TYPE_NONE, 0, |
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290 GST_SEEK_TYPE_NONE, -1)) |
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291 { |
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292 DEBUG_ERR("WARN: gst reports seek not handled"); |
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293 } |
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294 /* flushed seeks always asynchronous */ |
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295 XAAdaptationBase_StartAsyncWait(bCtx); |
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296 DEBUG_INFO("New playrate handled."); |
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297 bCtx->waitingasyncop = XA_BOOLEAN_FALSE; |
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298 } |
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299 |
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300 playing = XA_BOOLEAN_TRUE; |
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301 break; |
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302 } |
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303 default: |
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304 ret = XA_RESULT_PARAMETER_INVALID; |
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305 break; |
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306 } |
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307 /* launch Gstreamer state change only if necessary */ |
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308 if( GST_STATE_TARGET(bCtx->bin) == bCtx->binWantedState ) |
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309 { |
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310 DEBUG_INFO("Gst already in or transitioning to wanted state"); |
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311 requestStateChange = XA_BOOLEAN_FALSE; |
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312 } |
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313 else |
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314 { |
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315 if( (GST_STATE(bCtx->bin) == bCtx->binWantedState) && |
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316 (GST_STATE_PENDING(bCtx->bin) == GST_STATE_VOID_PENDING) ) |
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317 { |
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318 DEBUG_ERR_A3("WARNING : gststate %d == wanted %d != gsttarget %d and no statechange pending", |
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319 GST_STATE(bCtx->bin), bCtx->binWantedState, GST_STATE_TARGET(bCtx->bin)); |
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320 } |
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321 requestStateChange = XA_BOOLEAN_TRUE; |
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322 } |
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323 |
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324 if( requestStateChange ) |
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325 { |
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326 XAAdaptationBase_PrepareAsyncWait(bCtx); |
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327 DEBUG_INFO_A1("Sending change state request to state %d", bCtx->binWantedState); |
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328 gstRet = gst_element_set_state( GST_ELEMENT(bCtx->bin), bCtx->binWantedState); |
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329 switch ( gstRet ) |
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330 { |
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331 case GST_STATE_CHANGE_FAILURE: |
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332 DEBUG_ERR_A1("FAILED to change state (target %s)", |
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333 gst_element_state_get_name(bCtx->binWantedState)); |
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334 bCtx->binWantedState = GST_STATE(bCtx->bin); |
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335 ret = XA_RESULT_INTERNAL_ERROR; |
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336 break; |
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337 case GST_STATE_CHANGE_ASYNC: |
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338 DEBUG_INFO_A1("Change state will happen asyncronously (target %s)", |
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339 gst_element_state_get_name(bCtx->binWantedState)); |
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340 XAAdaptationBase_StartAsyncWait(bCtx); |
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341 ret = XA_RESULT_SUCCESS; |
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342 break; |
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343 case GST_STATE_CHANGE_NO_PREROLL: |
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344 DEBUG_INFO("GST_STATE_CHANGE_NO_PREROLL"); |
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345 /* deliberate fall-through */ |
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346 case GST_STATE_CHANGE_SUCCESS: |
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347 DEBUG_INFO_A1("Successfully changed state (target %s)", |
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348 gst_element_state_get_name(bCtx->binWantedState)); |
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349 ret = XA_RESULT_SUCCESS; |
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350 break; |
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351 default: |
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352 DEBUG_ERR_A1("Unhandled error (%d)",gstRet); |
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353 ret = XA_RESULT_UNKNOWN_ERROR; |
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354 break; |
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355 } |
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356 bCtx->waitingasyncop = XA_BOOLEAN_FALSE; |
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357 } |
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358 |
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359 if (playing && mCtx->isobjsrc && cameraCtx ) |
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360 { |
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361 GstPad* moSrc=NULL ; |
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362 |
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363 playing = XA_BOOLEAN_FALSE; |
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364 moSrc = gst_element_get_static_pad( mCtx->source, "MPObjSrc"); |
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365 if( moSrc && gst_pad_is_linked(moSrc) ) |
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366 { |
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367 DEBUG_INFO_A2("unblock element:%s pad:%s", |
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368 gst_element_get_name( mCtx->source), |
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369 gst_pad_get_name(moSrc)); |
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370 gst_pad_set_blocked_async(moSrc, FALSE, XAAdaptationBase_PadBlockCb, NULL); |
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371 } |
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372 |
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373 if ( GST_STATE( GST_ELEMENT(mCtx->source)) != GST_STATE_PLAYING ) |
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374 { |
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375 GstStateChangeReturn gret; |
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376 DEBUG_INFO("Start camera source"); |
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377 gret = gst_element_set_state( GST_ELEMENT(mCtx->source), GST_STATE_PLAYING ); |
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378 gret = gst_element_get_state( GST_ELEMENT(mCtx->source), NULL,NULL, XA_ADAPT_ASYNC_TIMEOUT_SHORT_NSEC ); |
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379 } |
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380 } |
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381 DEBUG_API("<-XAPlayItfAdapt_SetPlayState"); |
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382 return ret; |
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383 } |
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384 |
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385 /* |
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386 * XAresult XAPlayItfAdapt_GetDuration(XAAdaptationBaseCtx *bCtx, XAmillisecond *pMsec) |
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387 * @param XAAdaptationBaseCtx *bCtx - Adaptation context, this will be casted to correct type regarding to contextID |
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388 * XAmillisecond *pMsec - Pointer where to store duration of stream. |
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389 * @return XAresult ret - Success value |
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390 */ |
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391 XAresult XAPlayItfAdapt_GetDuration(XAAdaptationBaseCtx *bCtx, XAmillisecond *pMsec) |
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392 { |
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393 XAresult ret = XA_RESULT_SUCCESS; |
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394 XAMediaPlayerAdaptationCtx* mCtx = NULL; |
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395 GstFormat format = GST_FORMAT_TIME; |
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396 gint64 duration; |
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397 DEBUG_API("->XAPlayItfAdapt_GetDuration"); |
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398 |
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399 if(!bCtx || bCtx->ctxId != XAMediaPlayerAdaptation || !pMsec) |
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400 { |
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401 DEBUG_ERR("XA_RESULT_PARAMETER_INVALID"); |
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402 /* invalid parameter */ |
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403 return XA_RESULT_PARAMETER_INVALID; |
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404 } |
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405 |
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406 mCtx = (XAMediaPlayerAdaptationCtx*) bCtx; |
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407 |
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408 if( gst_element_query_duration( GST_ELEMENT(bCtx->bin), &format, &duration ) ) |
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409 { |
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410 DEBUG_INFO_A1("Duration: %"GST_TIME_FORMAT, GST_TIME_ARGS(duration)); |
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411 ret = XA_RESULT_SUCCESS; |
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412 *pMsec = GST_TIME_AS_MSECONDS(duration);/*Warning ok due to used API specification*/ |
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413 } |
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414 else |
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415 { |
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416 DEBUG_ERR("WARNING: Gst: could not get duration"); |
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417 *pMsec = XA_TIME_UNKNOWN; |
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418 ret = XA_RESULT_SUCCESS; |
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419 } |
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420 |
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421 DEBUG_API("<-XAPlayItfAdapt_GetDuration"); |
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422 return ret; |
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423 } |
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424 |
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425 /* |
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426 * XAresult XAPlayItfAdapt_GetPosition(XAAdaptationBaseCtx *bCtx, XAmillisecond *pMsec) |
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427 * @param XAAdaptationBaseCtx *bCtx - Adaptation context, this will be casted to correct type regarding to contextID value |
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428 * XAmillisecond *pMsec - Pointer where to store current position in stream. |
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429 * @return XAresult ret - Success value |
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430 */ |
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431 XAresult XAPlayItfAdapt_GetPosition(XAAdaptationBaseCtx *bCtx, XAmillisecond *pMsec) |
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432 { |
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433 XAresult ret = XA_RESULT_SUCCESS; |
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434 XAMediaPlayerAdaptationCtx* mCtx = NULL; |
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435 gint64 position; |
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436 GstFormat format = GST_FORMAT_TIME; |
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437 DEBUG_API("->XAPlayItfAdapt_GetPosition"); |
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438 |
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439 if(!bCtx || bCtx->ctxId != XAMediaPlayerAdaptation) |
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440 { |
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441 DEBUG_ERR("XA_RESULT_PARAMETER_INVALID"); |
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442 /* invalid parameter */ |
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443 return XA_RESULT_PARAMETER_INVALID; |
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444 } |
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445 mCtx = (XAMediaPlayerAdaptationCtx*) bCtx; |
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446 |
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447 if ( gst_element_query_position( GST_ELEMENT(bCtx->bin), &format, &position ) ) |
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448 { |
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449 DEBUG_INFO_A1("Current position %"GST_TIME_FORMAT, GST_TIME_ARGS(position)); |
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450 ret = XA_RESULT_SUCCESS; |
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451 *pMsec = GST_TIME_AS_MSECONDS(position);/*Warning ok due to used API specification*/ |
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452 } |
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453 else |
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454 { |
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455 DEBUG_ERR("WARNING: Gst: could not get position"); |
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456 /* probably not fully prerolled - safe assumption for position = 0 */ |
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457 *pMsec = 0; |
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458 ret = XA_RESULT_SUCCESS; |
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459 } |
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460 |
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461 DEBUG_API("<-XAPlayItfAdapt_GetPosition"); |
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462 return ret; |
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463 } |
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464 |
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465 /* |
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466 * XAresult XAPlayItfAdapt_EnablePositionTracking |
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467 * Enable/disable periodic position tracking callbacks |
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468 */ |
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469 XAresult XAPlayItfAdapt_EnablePositionTracking(XAAdaptationBaseCtx *bCtx, XAboolean enable) |
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470 { |
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471 XAMediaPlayerAdaptationCtx* mCtx; |
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472 |
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473 DEBUG_API_A1("->XAPlayItfAdapt_EnablePositionTracking (enable: %d)", (int)enable); |
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474 if(!bCtx || bCtx->ctxId != XAMediaPlayerAdaptation) |
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475 { |
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476 DEBUG_ERR("XA_RESULT_PARAMETER_INVALID"); |
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477 /* invalid parameter */ |
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478 return XA_RESULT_PARAMETER_INVALID; |
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479 } |
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480 mCtx = (XAMediaPlayerAdaptationCtx*) bCtx; |
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481 if(enable && !(mCtx->trackpositionenabled)) |
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482 { |
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483 mCtx->trackpositionenabled = XA_BOOLEAN_TRUE; |
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484 XAMediaPlayerAdapt_UpdatePositionCbTimer(mCtx); |
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485 } |
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486 else if (!enable && (mCtx->trackpositionenabled)) |
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487 { |
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488 mCtx->trackpositionenabled = XA_BOOLEAN_FALSE; |
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489 XAMediaPlayerAdapt_UpdatePositionCbTimer(mCtx); |
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490 } |
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491 |
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492 DEBUG_API("<-XAPlayItfAdapt_EnablePositionTracking"); |
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493 return XA_RESULT_SUCCESS; |
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494 } |
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495 |
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