khronosfws/openmax_al/src/gst_adaptation/xaradioadaptctx.c
author hgs
Fri, 28 May 2010 19:26:28 -0500
changeset 21 2ed61feeead6
parent 20 b67dd1fc57c5
permissions -rw-r--r--
201021
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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 "xaradioadaptctx.h"
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#include "xaadaptationgst.h"
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#include "assert.h"
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/*
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 * XAAdaptationGstCtx* XARadioAdapt_Create()
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 * Allocates memory for Radio Adaptation Context and makes 1st phase initialization
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 * @returns XARadioAdaptationCtx* - Pointer to created context
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 */
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XAAdaptationBaseCtx* XARadioAdapt_Create()
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{
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    XARadioAdaptationCtx *pSelf = (XARadioAdaptationCtx*)calloc(1, sizeof(XARadioAdaptationCtx));
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    DEBUG_API("->XARadioAdapt_Create");
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    if ( pSelf)
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    {
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        if( XAAdaptationBase_Init(&(pSelf->baseObj.baseObj),XARadioAdaptation)
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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->state = XA_RADIO_IDLE;
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                    pSelf->range = RADIO_DEFAULT_FREQ_RANGE;
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                    pSelf->frequency = RADIO_DEFAULT_FREQ;
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                    pSelf->rdsEmulationThread = 0;
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                    pSelf->emulationThread = 0;
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                }
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    }
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    DEBUG_API("<-XARadioAdapt_Create");
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    return (XAAdaptationBaseCtx*)&pSelf->baseObj;
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}
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/*
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 * XAresult XARadioAdapt_PostInit()
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 * 2nd phase initialization of Radio Adaptation Context
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 */
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XAresult XARadioAdapt_PostInit(XAAdaptationBaseCtx* bCtx)
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{
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    XAresult ret = XA_RESULT_SUCCESS;
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    XARadioAdaptationCtx* ctx = NULL;
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    DEBUG_API("->XARadioAdapt_PostInit");
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    if(bCtx == NULL || bCtx->ctxId != XARadioAdaptation )
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    {
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        DEBUG_ERR("Invalid parameter!!");
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        DEBUG_API("<-XARadioAdapt_PostInit");
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        return XA_RESULT_PARAMETER_INVALID;
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    }
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    ctx = (XARadioAdaptationCtx*)bCtx;
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    assert(ctx);
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    ret = XAAdaptationBase_PostInit( &ctx->baseObj.baseObj );
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    if( ret!=XA_RESULT_SUCCESS )
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    {
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        DEBUG_ERR("Base context postinit failed!!");
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        DEBUG_API("<-XARadioAdapt_PostInit");
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        return ret;
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    }
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    ctx->baseObj.bin = gst_element_factory_make( "audiotestsrc", "audiosrc");
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    if ( !ctx->baseObj.bin )
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    {
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        DEBUG_ERR("Unable to create test audio source!");
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        DEBUG_API("<-XARadioAdapt_PostInit");
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        return XA_RESULT_INTERNAL_ERROR;
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    }
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    g_object_set( G_OBJECT(ctx->baseObj.bin), "wave", 0x5, NULL );
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    DEBUG_API("<-XARadioAdapt_PostInit");
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    return ret;
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}
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/*
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 * void XARadioAdapt_Destroy(XAAdaptationGstCtx* bCtx)
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 * Destroys Radio Adaptation Context
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 * @param ctx - Radio Adaptation context to be destroyed
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 */
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void XARadioAdapt_Destroy(XAAdaptationBaseCtx* bCtx)
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{
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    XARadioAdaptationCtx* ctx = NULL;
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    DEBUG_API("->XARadioAdapt_Destroy");
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    if(bCtx == NULL || bCtx->ctxId != XARadioAdaptation )
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    {
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        DEBUG_ERR("Invalid parameter!!");
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        DEBUG_API("<-XARadioAdapt_Destroy");
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        return;
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    }
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    ctx = (XARadioAdaptationCtx*)bCtx;
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    XAAdaptationBase_Free(&(ctx->baseObj.baseObj));
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    free(ctx);
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    DEBUG_API("<-XARadioAdapt_Destroy");
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}