khronosfws/openmax_al/src/mmf_adaptation/xanokialinearvolumeitfadaptationmmf.c
author hgs
Fri, 11 Jun 2010 19:59:23 -0500
changeset 25 6f7ceef7b1d1
parent 21 2ed61feeead6
child 28 ebf79c79991a
permissions -rw-r--r--
201023
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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: Nokia Linear Volume MMF impl
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 *
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 */
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#include "xaadaptationmmf.h"
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#include "xanokialinearvolumeitfadaptationmmf.h"
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#include "xamediaplayeradaptctxmmf.h"
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#include "cmmfbackendengine.h"
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#include "cmmfradiobackendengine.h"
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/*
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 * XAresult XANokiaLinearVolumeItfAdapt_SetVolumeLevel(void *ctx, AdaptationContextIDS ctx->baseObj.ctxId,
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 *                                          XAuint32 percentage)
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 * @param void *ctx - Adaptation context, this will be casted to correct type regarding to contextID
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 * XAuint32 percentage - Requested volume level, in between MIN_VOLUME_LEVEL and MAX_VOLUME_LEVEL
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 * @return XAresult ret - Success value
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 */
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XAresult XANokiaLinearVolumeItfAdapt_SetVolumeLevel(XAAdaptationMMFCtx *ctx,
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        XAuint32 percentage)
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    {
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    XAresult res = XA_RESULT_SUCCESS;
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    XAuint32 maxvol;
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    XAuint32 vol;
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    DEBUG_API_A1("->XANokiaLinearVolumeItfAdapt_SetVolumeLevel to: %d", percentage);
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    if (!ctx || (ctx->baseObj.ctxId != XAMediaPlayerAdaptation
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            && ctx->baseObj.ctxId != XAMediaRecorderAdaptation
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            && ctx->baseObj.ctxId != XARadioAdaptation))
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        {
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        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");DEBUG_API("<-XANokiaLinearVolumeItfAdapt_SetVolumeLevel");
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        /* invalid parameter */
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        res = XA_RESULT_PARAMETER_INVALID;
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        return res;
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        }
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    if (ctx->baseObj.ctxId == XAMediaPlayerAdaptation)
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        {
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        res = mmf_volumeitf_get_maxvolume(
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                ((XAMediaPlayerAdaptationMMFCtx*) ctx)->mmfContext, &maxvol);
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        if(res == XA_RESULT_SUCCESS)
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            {
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            vol = (percentage * maxvol) / MAX_PERCENTAGE_VOLUME;
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            res = mmf_volumeitf_set_volume(
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                    ((XAMediaPlayerAdaptationMMFCtx*) ctx)->mmfContext, vol);
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            }
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        }
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    else if (ctx->baseObj.ctxId == XARadioAdaptation)
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        {
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        mmf_set_player_adapt_context(cmmfradiobackendengine_init(), ctx);
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        res = set_volume(cmmfradiobackendengine_init(), percentage);
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        }DEBUG_API("<-XANokiaLinearVolumeItfAdapt_SetVolumeLevel");
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    return res;
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    }
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XAresult XANokiaLinearVolumeItfAdapt_GetStepCount(XAAdaptationMMFCtx *ctx,
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        XAuint32* stepcount)
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    {
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    XAresult res = XA_RESULT_SUCCESS;
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    DEBUG_API("->XANokiaLinearVolumeItfAdapt_GetStepCount ");
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    if (!ctx || (ctx->baseObj.ctxId != XAMediaPlayerAdaptation
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            && ctx->baseObj.ctxId != XAMediaRecorderAdaptation
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            && ctx->baseObj.ctxId != XARadioAdaptation))
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        {
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        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");DEBUG_API("<-XANokiaLinearVolumeItfAdapt_SetVolumeLevel");
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        /* invalid parameter */
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        return XA_RESULT_PARAMETER_INVALID;
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        }
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    if (ctx->baseObj.ctxId == XAMediaPlayerAdaptation)
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        {
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        res = mmf_volumeitf_get_maxvolume(
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                ((XAMediaPlayerAdaptationMMFCtx*) ctx)->mmfContext, stepcount);
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        }
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    DEBUG_API("<-XANokiaLinearVolumeItfAdapt_GetStepCount");
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    return res;
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    }
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void XANokiaLinearVolumeItfAdapt_VolumeChange(XAAdaptationBaseCtx *ctx,
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        TInt aVolume)
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    {
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    XAAdaptEvent event =
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        {
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        XA_NOKIALINEARVOLITFEVENTS, XA_ADAPT_VOLUME_VOLUME_CHANGED, 1, 0
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        };
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    if (ctx)
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        {
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        event.data = &aVolume;
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        XAAdaptationBase_SendAdaptEvents(ctx, &event);
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        }
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    }
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