author | hgs |
Fri, 14 May 2010 18:19:45 -0500 | |
changeset 20 | b67dd1fc57c5 |
parent 12 | 5a06f39ad45b |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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|
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#include <string.h> |
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#include <gst.h> |
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#include "XACameraAdaptCtx.h" |
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#include "XAAdaptation.h" |
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#include <photography.h> |
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#include "XAStaticCapsAdaptation.h" |
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|
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|
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XAboolean cameraRealized = XA_BOOLEAN_FALSE; |
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XACameraAdaptationCtx_* cameraCtx = NULL; |
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|
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/* |
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* gboolean XACameraAdapt_GstBusCb( GstBus *bus, GstMessage *message, gpointer data ) |
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* MediaPlayer Gst-bus message handler (Callback) |
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*/ |
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gboolean XACameraAdapt_GstBusCb( GstBus *bus, GstMessage *message, gpointer data ) |
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{ |
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XACameraAdaptationCtx* mCtx = (XACameraAdaptationCtx*)data; |
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XAAdaptEvent event = {XA_CAMERAITFEVENTS,XA_CAMERACBEVENT_FOCUSSTATUS,1,NULL}; |
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XAuint32 status; |
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|
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/* only listen to pipeline messages */ |
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if(GST_MESSAGE_SRC(message)==(GstObject*)(mCtx->baseObj.bin) ) |
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{ |
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DEBUG_API_A2("->XACameraAdapt_GstBusCb:\"%s\" from object \"%s\"", |
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GST_MESSAGE_TYPE_NAME(message), GST_OBJECT_NAME(GST_MESSAGE_SRC(message))); |
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|
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if ( GST_MESSAGE_TYPE(message)== GST_MESSAGE_ASYNC_DONE ) |
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{ |
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/* some async sequence ended */ |
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XAAdaptationBase_CompleteAsyncWait((&mCtx->baseObj)); |
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} |
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else if (strncmp(GST_MESSAGE_TYPE_NAME(message), GST_PHOTOGRAPHY_AUTOFOCUS_DONE, |
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strlen(GST_PHOTOGRAPHY_AUTOFOCUS_DONE))==0 ) |
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{ |
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DEBUG_INFO("Autofocus done!.") |
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status = XA_CAMERA_FOCUSMODESTATUS_REACHED; |
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event.data = &status; |
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XAAdaptationBase_SendAdaptEvents(&(mCtx->baseObj), &event ); |
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} |
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else if ( strncmp(GST_MESSAGE_TYPE_NAME(message), GST_PHOTOGRAPHY_SHAKE_RISK, |
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strlen(GST_PHOTOGRAPHY_SHAKE_RISK)) ==0 ) |
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{ |
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DEBUG_INFO("Camera shake risk!") |
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} |
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DEBUG_API("<-XACameraAdapt_GstBusCb"); |
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} |
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return TRUE; |
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} |
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|
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/* |
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* XAAdaptationBaseCtx* XACameraAdapt_Create() |
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* Allocates memory for Camera Adaptation Context and makes 1st phase initialization |
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* @returns XACameraAdaptationCtx* - Pointer to created context |
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*/ |
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XAAdaptationBaseCtx* XACameraAdapt_Create(XAuint32 deviceID) |
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{ |
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XACameraAdaptationCtx *pSelf = calloc(1, sizeof(XACameraAdaptationCtx)); |
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DEBUG_API("->XACameraAdapt_Create"); |
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if ( pSelf) |
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{ |
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if( XAAdaptationBase_Init(&(pSelf->baseObj),XACameraAdaptation) |
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!= XA_RESULT_SUCCESS ) |
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{ |
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DEBUG_ERR("Failed to init base context!!!"); |
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free(pSelf); |
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pSelf = NULL; |
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} |
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else |
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{ |
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pSelf->deviceID = deviceID; |
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pSelf->curMirror = XA_VIDEOMIRROR_NONE; |
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pSelf->curRotation = 0; |
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pSelf->recording = XA_BOOLEAN_FALSE; |
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pSelf->playing = XA_BOOLEAN_FALSE; |
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pSelf->snapshotting = XA_BOOLEAN_FALSE; |
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cameraCtx = pSelf; /* Store global pointer */ |
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DEBUG_INFO_A1("Stored global camera ponter to %x", cameraCtx); |
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cameraRealized = XA_BOOLEAN_FALSE; |
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} |
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} |
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|
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DEBUG_API("<-XACameraAdapt_Create"); |
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101 |
return (XAAdaptationBaseCtx*)pSelf; |
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102 |
} |
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103 |
|
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104 |
/* |
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105 |
* XAresult XACameraAdapt_PostInit() |
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106 |
* 2nd phase initialization of Camera Adaptation Context |
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107 |
*/ |
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108 |
XAresult XACameraAdapt_PostInit(XAAdaptationBaseCtx* bCtx) |
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109 |
{ |
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110 |
XAresult ret = XA_RESULT_SUCCESS; |
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111 |
|
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112 |
XACameraAdaptationCtx* ctx = NULL; |
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113 |
DEBUG_API("->XACameraAdapt_PostInit"); |
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114 |
if(bCtx == NULL || bCtx->ctxId != XACameraAdaptation) |
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115 |
{ |
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DEBUG_ERR("Invalid parameter!!"); |
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DEBUG_API("<-XACameraAdapt_PostInit"); |
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return XA_RESULT_PARAMETER_INVALID; |
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119 |
} |
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ctx = (XACameraAdaptationCtx*)bCtx; |
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121 |
|
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122 |
if ( !ctx ) |
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123 |
{ |
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return XA_RESULT_INTERNAL_ERROR; |
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125 |
} |
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126 |
|
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XAAdaptationBase_PostInit( &(ctx->baseObj) ); |
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128 |
|
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129 |
ctx->baseObj.bin = gst_element_factory_make( "camerabin", "camera"); |
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130 |
if ( !ctx->baseObj.bin ) |
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131 |
{ |
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132 |
DEBUG_ERR("Failed to create CameraBin"); |
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133 |
return XA_RESULT_INTERNAL_ERROR; |
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134 |
} |
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135 |
|
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136 |
/* Create Gst bus listener. */ |
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ret = XAAdaptationBase_InitGstListener(&(ctx->baseObj)); |
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138 |
if( ret!=XA_RESULT_SUCCESS ) |
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139 |
{ |
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140 |
DEBUG_ERR("Bus listener creation failed!!"); |
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141 |
return ret; |
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142 |
} |
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143 |
/* Add Camera specific handler */ |
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144 |
if(ctx->baseObj.bus) |
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145 |
{ |
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146 |
ctx->baseObj.busCb = XACameraAdapt_GstBusCb; |
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gst_bus_add_signal_watch( ctx->baseObj.bus); |
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148 |
g_signal_connect(ctx->baseObj.bus, "message::autofocus-done", G_CALLBACK(ctx->baseObj.busCb), ctx ); |
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149 |
g_signal_connect(ctx->baseObj.bus, "message::shake-risk", G_CALLBACK(ctx->baseObj.busCb), ctx ); |
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g_signal_connect(ctx->baseObj.bus, "message::async-done", G_CALLBACK(ctx->baseObj.busCb), ctx ); |
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151 |
} |
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152 |
else |
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153 |
{ |
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154 |
DEBUG_ERR("Failed to create message bus"); |
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155 |
return XA_RESULT_INTERNAL_ERROR; |
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156 |
} |
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157 |
|
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158 |
|
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159 |
/* SET UP CAMERABIN */ |
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160 |
|
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161 |
/* use test video source if set, camerabin default (v4l2src) otherwise */ |
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162 |
#ifdef XA_USE_TEST_PLUGINS |
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163 |
if(ctx->deviceID == XA_ADAPTID_VIDEOTESTSRC || ctx->deviceID == XA_DEFAULTDEVICEID_CAMERA ) |
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164 |
#else |
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165 |
if(ctx->deviceID == XA_ADAPTID_VIDEOTESTSRC ) |
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166 |
#endif |
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167 |
{ |
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168 |
g_object_set( G_OBJECT(ctx->baseObj.bin), "videosrc", gst_element_factory_make("videotestsrc", "videotestsrc"), NULL ); |
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169 |
} |
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170 |
|
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171 |
/* set viewfinder element to be fake for the time of preroll.. if ghost pad added now, |
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172 |
* stupid camerabin makes circular linking... |
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173 |
*/ |
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174 |
g_object_set( G_OBJECT(ctx->baseObj.bin), "vfsink" ,gst_element_factory_make("fakesink", "fakevfsink"), NULL ); |
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|
175 |
|
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176 |
/* Setup camerabin to produce raw video */ |
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177 |
g_object_set( G_OBJECT(ctx->baseObj.bin), "videomux",NULL, NULL ); |
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178 |
g_object_set( G_OBJECT(ctx->baseObj.bin), "videoenc",NULL, NULL ); |
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179 |
g_object_set( G_OBJECT(ctx->baseObj.bin), "mute", TRUE, NULL ); |
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180 |
g_object_set( G_OBJECT(ctx->baseObj.bin), "async-handling", FALSE, NULL); |
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181 |
g_object_set( G_OBJECT(ctx->baseObj.bin), "mode",(gint)1, NULL); |
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182 |
|
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183 |
|
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184 |
/* drive camerabin to READY to create the elements inside bin */ |
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185 |
gst_element_set_state( GST_ELEMENT(ctx->baseObj.bin), GST_STATE_READY); |
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186 |
|
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187 |
if(ctx->deviceID == XA_ADAPTID_VIDEOTESTSRC) |
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188 |
{ /* set properties for videotestsrc */ |
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189 |
GstElement *testsrc = gst_bin_get_by_name(GST_BIN(ctx->baseObj.bin), "videotestsrc"); |
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g_object_set( G_OBJECT(testsrc),"is-live", TRUE, NULL); |
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191 |
g_object_set( G_OBJECT(testsrc),"do-timestamp", TRUE, NULL); |
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192 |
gst_object_unref(G_OBJECT(testsrc)); |
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193 |
} |
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194 |
|
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195 |
/* do some filter optimization */ |
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196 |
#ifdef XA_USE_TEST_PLUGINS |
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g_object_set( G_OBJECT(ctx->baseObj.bin), "filter-caps", |
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198 |
gst_caps_new_simple("video/x-raw-yuv", |
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199 |
"format", GST_TYPE_FOURCC,GST_MAKE_FOURCC('I','4','2','0'), |
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"framerate",GST_TYPE_FRACTION_RANGE,0,1,30,1, NULL) |
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,NULL ); |
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#else |
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g_object_set( G_OBJECT(ctx->baseObj.bin), "filter-caps", |
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gst_caps_new_simple("video/x-raw-yuv", |
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"format", GST_TYPE_FOURCC,GST_MAKE_FOURCC('Y','U','Y','2'), |
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"framerate",GST_TYPE_FRACTION_RANGE,0,1,30,1, NULL) |
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,NULL ); |
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#endif |
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209 |
|
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210 |
|
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/* now, unlink fake sink, create camera post processing pipeline and create ghost pad from it */ |
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212 |
{ |
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GstElement *fakesink = gst_bin_get_by_name(GST_BIN(ctx->baseObj.bin),"fakevfsink"); |
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GstPad *fakepad = gst_element_get_static_pad(fakesink,"sink"); |
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GstPad *linkedpad = gst_pad_get_peer(fakepad); |
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GstElement *linkedelement = gst_pad_get_parent_element(linkedpad); |
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GstElement * cameraPP = NULL; |
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GstElement * camfilter = NULL; |
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GstElement *tee = NULL; |
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220 |
|
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/* Unlink fakesink */ |
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gst_element_unlink(linkedelement,fakesink); |
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/* Create VideoPP pipeline for Camera object */ |
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cameraPP = XAAdaptationBase_CreateVideoPP(); |
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g_object_set( G_OBJECT(cameraPP),"name", "videopp_camera", NULL); |
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gst_bin_add( GST_BIN(ctx->baseObj.bin), cameraPP ); |
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/*Link videoPP into camera bin last element */ |
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gst_element_link( linkedelement, cameraPP ); |
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229 |
|
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/* Add extra filter for caps negotiable after post processing*/ |
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camfilter = gst_element_factory_make("capsfilter", "camfilter"); |
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gst_bin_add( GST_BIN(ctx->baseObj.bin), camfilter ); |
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gst_element_link( cameraPP, camfilter ); |
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234 |
|
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/* Add tee element into camerabin */ |
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tee = gst_element_factory_make( "tee", "CamTee"); |
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gst_bin_add( GST_BIN(ctx->baseObj.bin), tee); |
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gst_element_link( camfilter, tee ); |
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239 |
|
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/* Unref */ |
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gst_object_unref(linkedelement); |
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gst_object_unref(linkedpad); |
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gst_object_unref(fakepad); |
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gst_bin_remove(GST_BIN(ctx->baseObj.bin),fakesink); |
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gst_object_unparent(GST_OBJECT(fakesink)); |
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246 |
} |
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247 |
|
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if ( ret == XA_RESULT_SUCCESS ) |
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249 |
{ |
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cameraRealized = XA_BOOLEAN_TRUE; |
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} |
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252 |
|
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DEBUG_API("<-XACameraAdapt_PostInit"); |
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return ret; |
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} |
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256 |
|
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257 |
/* |
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258 |
* void XACameraAdapt_Destroy(XACameraAdaptationCtx* ctx) |
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* Destroys Camera Adaptation Context |
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* @param ctx - Camera Adaptation context to be destroyed |
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261 |
*/ |
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void XACameraAdapt_Destroy(XAAdaptationBaseCtx* bCtx) |
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263 |
{ |
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XACameraAdaptationCtx* ctx = NULL; |
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265 |
|
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DEBUG_API("->XACameraAdapt_Destroy"); |
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if(bCtx == NULL || bCtx->ctxId != XACameraAdaptation ) |
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268 |
{ |
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DEBUG_ERR("Invalid parameter!!"); |
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DEBUG_API("<-XACameraAdapt_Destroy"); |
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return; |
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272 |
} |
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ctx = (XACameraAdaptationCtx*)bCtx; |
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274 |
|
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XAAdaptationBase_Free(&(ctx->baseObj)); |
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276 |
|
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free(ctx); |
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ctx = NULL; |
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cameraCtx = NULL; |
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cameraRealized = XA_BOOLEAN_FALSE; |
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DEBUG_API("<-XACameraAdapt_Destroy"); |
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282 |
} |
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283 |