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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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#include <gst/gst.h>
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#include "xaadaptationgst.h"
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#include "xamediaplayeradaptctx.h"
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#include "xadynamicsourceitfadaptation.h"
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/*
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* XAresult XADynamicSourceItfAdapt_SetSource(XAAdaptationGstCtx *bCtx, XADataSource *pDataSource)
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* @param XAAdaptationGstCtx *bCtx - Adaptation context, this will be casted to correct type regarding to contextID value
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* @param XADataSource *pDataSource - new data source
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* @return XAresult ret - Success value
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*/
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XAresult XADynamicSourceItfAdapt_SetSource(XAAdaptationGstCtx *bCtx, XADataSource *pDataSource)
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{
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XAresult ret = XA_RESULT_SUCCESS;
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DEBUG_API("->XADynamicSourceItfAdapt_SetSource");
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if( !bCtx || !pDataSource || !pDataSource->pLocator )
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{
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DEBUG_ERR("Invalid NULL parameter");
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ret = XA_RESULT_PARAMETER_INVALID;
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}
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else if(bCtx->baseObj.ctxId == XAMediaPlayerAdaptation || bCtx->baseObj.ctxId == XAMDAdaptation )
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{
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XAMediaPlayerAdaptationCtx* mCtx = (XAMediaPlayerAdaptationCtx*) bCtx;
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GstStateChangeReturn gret;
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GstState origState;
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GstElement* newSource = XAAdaptationGst_CreateGstSource( pDataSource, "datasrc", &(mCtx->isobjsrc), NULL, NULL);
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if(!newSource)
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{
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DEBUG_ERR("Could not create data source!!!");
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return XA_RESULT_CONTENT_NOT_FOUND;
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}
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DEBUG_INFO("Changing Playback Source");
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/* store current state */
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origState = GST_STATE(bCtx->bin);
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/* unroll pipeline */
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bCtx->binWantedState = GST_STATE_NULL;
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XAAdaptationGst_PrepareAsyncWait(bCtx);
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gret = gst_element_set_state( GST_ELEMENT(bCtx->bin), bCtx->binWantedState);
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if( gret == GST_STATE_CHANGE_ASYNC )
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{
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DEBUG_INFO("Wait for unroll");
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XAAdaptationGst_StartAsyncWait(bCtx);
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DEBUG_INFO("Unroll ready");
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}
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else if( gret == GST_STATE_CHANGE_FAILURE )
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{ /*not much we can do*/
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DEBUG_ERR("WARNING: Failed to unroll pipeline!!")
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return XA_RESULT_INTERNAL_ERROR;
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}
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bCtx->waitingasyncop = XA_BOOLEAN_FALSE;
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/* set new source */
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gst_element_unlink(mCtx->source,mCtx->codecbin);
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gst_bin_remove(GST_BIN(bCtx->bin), mCtx->source);
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mCtx->source = newSource;
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gst_bin_add(GST_BIN(bCtx->bin), mCtx->source);
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if(! gst_element_link(mCtx->source, mCtx->codecbin))
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{
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DEBUG_ERR("Could not link source to codecbin!!");
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return XA_RESULT_INTERNAL_ERROR;
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}
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mCtx->xaSource = pDataSource;
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/* restore pipeline state */
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bCtx->binWantedState = origState;
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DEBUG_INFO_A1("Changing pipeline back to state %s",gst_element_state_get_name(origState));
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XAAdaptationGst_PrepareAsyncWait(bCtx);
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gret = gst_element_set_state( GST_ELEMENT(bCtx->bin), bCtx->binWantedState);
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if( gret == GST_STATE_CHANGE_ASYNC )
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{
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DEBUG_INFO("Wait for state change");
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XAAdaptationGst_StartAsyncWait(bCtx);
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}
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else if( gret == GST_STATE_CHANGE_FAILURE )
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{
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DEBUG_ERR("State change FAILED");
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return XA_RESULT_INTERNAL_ERROR;
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}
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bCtx->waitingasyncop = XA_BOOLEAN_FALSE;
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DEBUG_INFO_A1("Pipeline in state %s",gst_element_state_get_name(GST_STATE(bCtx->bin)));
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if( GST_STATE(bCtx->bin) > GST_STATE_READY )
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{ /* let (possible) extraction itf to know new tags */
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XAAdaptEvent event = {XA_METADATAEVENTS, XA_ADAPT_MDE_TAGS_AVAILABLE, 0, NULL };
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XAAdaptationBase_SendAdaptEvents(&bCtx->baseObj, &event );
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}
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}
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DEBUG_API("<-XADynamicSourceItfAdapt_SetSource");
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return ret;
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}
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