/*
 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
 * All rights reserved.
 * This component and the accompanying materials are made available
 * under the terms of "Eclipse Public License v1.0"
 * which accompanies this distribution, and is available
 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
 *
 * Initial Contributors:
 * Nokia Corporation - initial contribution.
 *
 * Contributors:
 *
 * Description: Audio Encoder Capabilities Interface Implementation
 *
 */

#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <string.h>

#include "xaglobals.h"
#include "xaadptbasectx.h"
#include "xaaudiodecodercapabilitiesitf.h"
#include "xacapabilitiesmgr.h"
/* XAAudioDecoderCapabilitiesItfImpl* GetImpl
 * Description: Validate interface pointer and cast it to implementation pointer.
 */
static XAAudioDecoderCapabilitiesItfImpl* GetImpl(
        XAAudioDecoderCapabilitiesItf self)
    {
    if (self)
        {
        XAAudioDecoderCapabilitiesItfImpl* impl =
                (XAAudioDecoderCapabilitiesItfImpl*) (*self);
        if (impl && (impl == impl->self))
            {
            return impl;
            }
        }
    return NULL;
    }

/*****************************************************************************
 * Base interface XAAudioDecoderCapabilitiesItf implementation
 *****************************************************************************/

/* XAresult XAAudioDecoderCapabilitiesItfImpl_GetAudioDecoders
 * Description: Retrieves the available audio decoders.
 */
XAresult XAAudioDecoderCapabilitiesItfImpl_GetAudioDecoders(
        XAAudioDecoderCapabilitiesItf self, XAuint32* pNumDecoders,
        XAuint32* pDecoderIds)
    {
    XAAudioDecoderCapabilitiesItfImpl* impl = GetImpl(self);
    XAresult res = XA_RESULT_SUCCESS;

    DEBUG_API("->XAAudioDecoderCapabilitiesItfImpl_GetAudioDecoders");

    if (!impl || !pNumDecoders)
        {
        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
        res = XA_RESULT_PARAMETER_INVALID;
        }
    else
        {
        if (pDecoderIds)
            { /* query array of decoders */
            if (*pNumDecoders < impl->numCodecs)
                {
                DEBUG_ERR("XA_RESULT_BUFFER_INSUFFICIENT");
                res = XA_RESULT_BUFFER_INSUFFICIENT;
                }
            else
                {

                XAuint32 i = 0;
                XACapabilities temp;
                for (i = 0; i < impl->numCodecs; i++)
                    {
                    /* query decoder id from adaptation using index value */
                    XACapabilitiesMgr_GetCapsByIdx(NULL,
                            (XACapsType) (XACAP_DECODER | XACAP_AUDIO), i,
                            &temp);
                    pDecoderIds[i] = temp.xaid;
                    }

                }
            }
        /* return number of decoders */
        *pNumDecoders = impl->numCodecs;
        }DEBUG_API("<-XAAudioDecoderCapabilitiesItfImpl_GetAudioDecoders");
    return res;
    }

/* XAresult XAAudioDecoderCapabilitiesItfImpl_GetAudioDecoderCapabilities
 * Description: Queries for the audio decoder�s capabilities.
 */
XAresult XAAudioDecoderCapabilitiesItfImpl_GetAudioDecoderCapabilities(
        XAAudioDecoderCapabilitiesItf self, XAuint32 decoderId,
        XAuint32* pIndex, XAAudioCodecDescriptor* pDescriptor)
    {
    XAAudioDecoderCapabilitiesItfImpl* impl = GetImpl(self);
    XAresult res = XA_RESULT_SUCCESS;

    DEBUG_API("->XAAudioDecoderCapabilitiesItfImpl_GetAudioDecoderCapabilities");

    if (!impl || !pIndex)
        {
        DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
        res = XA_RESULT_PARAMETER_INVALID;
        }
    else
        {
        if (!pDescriptor)
            { /* query number of capa structures */
            *pIndex = 1;
            }
        else
            { /* query capabilities */
            if (*pIndex >= 1)
                {
                DEBUG_ERR("XA_RESULT_PARAMETER_INVALID");
                res = XA_RESULT_PARAMETER_INVALID;
                }
            else
                {

                /* query capabilities from adaptation using codec id */
                XACapabilities temp;
                memset(pDescriptor, 0, sizeof(XAAudioCodecDescriptor));
                res = XACapabilitiesMgr_GetCapsById(NULL,
                        (XACapsType) (XACAP_DECODER | XACAP_AUDIO),
                        decoderId, &temp);
                if (res == XA_RESULT_SUCCESS)
                    {
                    XAAudioCodecDescriptor* desc =
                            ((XAAudioCodecDescriptor*) (temp.pEntry));
                    /* map applicable values to XAAudioCodecCapabilities */
                    pDescriptor->maxChannels = desc->maxChannels;
                    pDescriptor->minSampleRate = desc->minSampleRate * 1000; /* milliHz */
                    if (desc->maxSampleRate < (0xFFFFFFFF / 1000))
                        {
                        pDescriptor->maxSampleRate = desc->maxSampleRate
                                * 1000;
                        }
                    else
                        {
                        pDescriptor->maxSampleRate = 0xFFFFFFFF;
                        }
                    pDescriptor->minBitsPerSample = desc->minBitsPerSample;
                    pDescriptor->maxBitsPerSample = desc->maxBitsPerSample;
                    pDescriptor->isFreqRangeContinuous = XA_BOOLEAN_TRUE;
                    pDescriptor->minBitRate = desc->minBitRate;
                    pDescriptor->maxBitRate = desc->maxBitRate;
                    pDescriptor->numBitratesSupported
                            = desc->numBitratesSupported;
                    pDescriptor->isBitrateRangeContinuous = XA_BOOLEAN_TRUE;
                    if (temp.xaid == XA_AUDIOCODEC_PCM)
                        {
                        pDescriptor->profileSetting = XA_AUDIOPROFILE_PCM;
                        pDescriptor->modeSetting = 0; /* no chanmode for pcm defined */
                        }
                    else if (temp.xaid == XA_ADAPTID_VORBIS) /* for ogg */
                        {
                        if (desc->maxChannels == 1)
                            {
                            pDescriptor->profileSetting
                                    =XA_AUDIOPROFILE_MPEG1_L3;
                            pDescriptor->modeSetting
                                    =XA_AUDIOCHANMODE_MP3_MONO;
                            }
                        else
                            {
                            pDescriptor->profileSetting
                                    =XA_AUDIOPROFILE_MPEG2_L3;
                            pDescriptor->modeSetting
                                    =XA_AUDIOCHANMODE_MP3_STEREO;
                            }
                        }
                    else
                        {
                        /* do nothing */
                        }
                    /*other caps undefined*/
                    }

                }
            }
        }

    DEBUG_API("<-XAAudioDecoderCapabilitiesItfImpl_GetAudioDecoderCapabilities");
    return res;
    }

/*****************************************************************************
 * XAAudioDecoderCapabilitiesItfImpl -specific methods
 *****************************************************************************/

/* XAAudioDecoderCapabilitiesItfImpl_Create
 * Description: Allocate and initialize XAAudioDecoderCapabilitiesItfImpl
 */
XAAudioDecoderCapabilitiesItfImpl* XAAudioDecoderCapabilitiesItfImpl_Create()
    {
    XAAudioDecoderCapabilitiesItfImpl* self =
            (XAAudioDecoderCapabilitiesItfImpl*) calloc(1,
                    sizeof(XAAudioDecoderCapabilitiesItfImpl));

    DEBUG_API("->XAAudioDecoderCapabilitiesItfImpl_Create");

    if (self)
        {
        /* init itf default implementation */
        self->itf.GetAudioDecoders
                = XAAudioDecoderCapabilitiesItfImpl_GetAudioDecoders;
        self->itf.GetAudioDecoderCapabilities
                = XAAudioDecoderCapabilitiesItfImpl_GetAudioDecoderCapabilities;

        /* init variables */

        assert( XACapabilitiesMgr_GetCapsCount(NULL, (XACapsType)(XACAP_DECODER|XACAP_AUDIO),
                        &(self->numCodecs) ) == XA_RESULT_SUCCESS );

        self->self = self;
        }DEBUG_API("<-XAAudioDecoderCapabilitiesItfImpl_Create");
    return self;
    }

/* void XAAudioDecoderCapabilitiesItfImpl_Free
 * Description: Free all resources reserved at XAAudioDecoderCapabilitiesItfImpl_Create
 */
void XAAudioDecoderCapabilitiesItfImpl_Free(
        XAAudioDecoderCapabilitiesItfImpl* self)
    {
    DEBUG_API("->XAAudioDecoderCapabilitiesItfImpl_Free");
    assert(self==self->self);
    free(self);
    DEBUG_API("<-XAAudioDecoderCapabilitiesItfImpl_Free");
    }