khronosfws/openmax_al/src/common/xacommon.c
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 16 Apr 2010 15:29:42 +0300
changeset 12 5a06f39ad45b
child 16 43d09473c595
permissions -rw-r--r--
Revision: 201011 Kit: 201015

/*
* 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: 
*
*/

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

#include <stdarg.h>
#include "openmaxalwrapper.h"
#include "xaglobals.h"
#include "xaengine.h"
/*
 *  compare two XAInterfaceIDs, return true if same
 */
XAboolean XACommon_EqualIIds(XAInterfaceID idA, XAInterfaceID idB)
{
    XAboolean nodeOk;
    XAuint16 nodeIdx;
    if(idA==idB) return XA_BOOLEAN_TRUE;
    if(!idA||!idB) return XA_BOOLEAN_FALSE;
    if( idA->time_low == idB->time_low &&
        idA->time_mid == idB->time_mid &&
        idA->time_hi_and_version == idB->time_hi_and_version &&
        idA->clock_seq == idB->clock_seq)
        {
            nodeOk = XA_BOOLEAN_TRUE;
            for(nodeIdx = 0; nodeIdx < sizeof(idA->node); nodeIdx++ )
            {
                if(idA->node[nodeIdx] != idB->node[nodeIdx])
                {
                    nodeOk = XA_BOOLEAN_FALSE;
                    break;
                }
            }
            if(nodeOk)
            {
                return XA_BOOLEAN_TRUE;
            }
        }
    return XA_BOOLEAN_FALSE;
}

/* Check source availability and content type. Return error only if we are sure
 * content is not valid, otherwise let adaptation try to identify and use content.
 * @param type: on return, contains content type, if known.
 * @return Success code
 */
XAresult XACommon_CheckDataSource(XADataSource* source, XAMediaType* type)
{
    XAresult ret=XA_RESULT_SUCCESS;
    XAchar* fname=NULL;
    XAchar* mime=NULL;
    XAboolean isLocal=XA_BOOLEAN_FALSE;


    if(!source || !source->pLocator)
    {
        DEBUG_ERR("Invalid XADataSource structure!!");
        return XA_RESULT_PARAMETER_INVALID;
    }

    /* check URI availability */
    if( *(XAuint32*)(source->pLocator) == XA_DATALOCATOR_URI )
    {
        fname = (XAchar*)((XADataLocator_URI*)(source->pLocator))->URI;
        /* check protocol prefix */
        if(strstr((char*)fname,":///"))
        {
            if(strncmp((char*)fname, "file:///", 8) == 0)
            {
                isLocal=XA_BOOLEAN_TRUE;
                fname += 8;
            }
            else
            {   /* add support for other protocols if needed */
                isLocal=XA_BOOLEAN_FALSE;
            }
        }
        else
        {
            isLocal=XA_BOOLEAN_TRUE;
        }
        if(isLocal)
        {
            FILE* file=fopen((char*)fname, "r");
            if(!file)
            {
                DEBUG_INFO_A1("%s not found from filesystem", fname);
                ret = XA_RESULT_CONTENT_NOT_FOUND;
            }
            else
            {
                fclose(file);
            }
        }
    }

    /* check content type */
    if( type )
    {
        if(source->pFormat)
        {
            switch( *(XAuint32*)source->pFormat )
            {
                case XA_DATAFORMAT_MIME:
                {
                    /* try to parse mimetype first */
                    mime = ((XADataFormat_MIME*)(source->pFormat))->mimeType;
                    if(strncmp((char*)mime,"audio",5)==0)
                    {
                        *type = XA_MEDIATYPE_AUDIO;
                    }
                    else if(strncmp((char*)mime,"video",5)==0)
                    {
                        *type = XA_MEDIATYPE_VIDEO;
                    }
                    else if(strncmp((char*)mime,"image",5)==0)
                    {
                        *type = XA_MEDIATYPE_IMAGE;
                    }
                    else
                    {
                        /* try to parse containertype next */
                        switch( ((XADataFormat_MIME*)(source->pFormat))->containerType )
                        {
                            case XA_CONTAINERTYPE_M4A:
                            case XA_CONTAINERTYPE_MP3:
                            case XA_CONTAINERTYPE_WAV:
                            case XA_CONTAINERTYPE_XMF_0:
                            case XA_CONTAINERTYPE_XMF_1:
                            case XA_CONTAINERTYPE_XMF_2:
                            case XA_CONTAINERTYPE_XMF_3:
                            case XA_CONTAINERTYPE_XMF_GENERIC:
                            case XA_CONTAINERTYPE_AMR:
                            case XA_CONTAINERTYPE_AAC:
                            case XA_CONTAINERTYPE_3GA:
                            case XA_CONTAINERTYPE_DMF:
                            case XA_CONTAINERTYPE_SMF:
                            case XA_CONTAINERTYPE_MOBILE_DLS:
                                *type = XA_MEDIATYPE_AUDIO;
                                break;

                            case XA_CONTAINERTYPE_ASF:
                            case XA_CONTAINERTYPE_AVI:
                            case XA_CONTAINERTYPE_MP4:
                            case XA_CONTAINERTYPE_MPEG_ES:
                            case XA_CONTAINERTYPE_MPEG_PS:
                            case XA_CONTAINERTYPE_MPEG_TS:
                            case XA_CONTAINERTYPE_QT:
                            case XA_CONTAINERTYPE_3GPP:
                            case XA_CONTAINERTYPE_RM:
                                *type = XA_MEDIATYPE_VIDEO;
                                break;

                            case XA_CONTAINERTYPE_BMP:
                            case XA_CONTAINERTYPE_JPG:
                            case XA_CONTAINERTYPE_JPG2000:
                                *type = XA_MEDIATYPE_IMAGE;
                                break;

                            case XA_CONTAINERTYPE_RAW:
                            case XA_CONTAINERTYPE_UNSPECIFIED:
                            default:
                                *type = XA_MEDIATYPE_UNKNOWN;
                                break;
                        }
                    }
                }
                break;

                case XA_DATAFORMAT_PCM:
                    *type = XA_MEDIATYPE_AUDIO;
                break;

                case XA_DATAFORMAT_RAWIMAGE:
                    *type = XA_MEDIATYPE_IMAGE;
                break;

                default:
                    *type = XA_MEDIATYPE_UNKNOWN;
                    DEBUG_INFO("Warning: unknown dataformat");
                break;
            }
        }
        else
        {
            DEBUG_ERR("Warning: no data format set");
            *type = XA_MEDIATYPE_UNKNOWN;
        }

        /* Expand this list if add new supported media type */
        /* If media type unknow check it from file extension */
        if(*type == XA_MEDIATYPE_UNKNOWN && fname)
        {
            if( (strstr((char*)fname,".wav")) || (strstr((char*)fname,".mid"))
                || (strstr((char*)fname,".amr")))
            {
                *type = XA_MEDIATYPE_AUDIO;
            }
            if( (strstr((char*)fname,".avi")) || (strstr((char*)fname,".ogg")) )
            {

            }
            if(strstr((char*)fname,".jpg"))
            {
                *type = XA_MEDIATYPE_IMAGE;
            }
        }
    }
    return ret;
}

/* Validate XADataSink and XADataSrc object creation parameters.
 * @return Success code
 */
XAresult XACommon_ValidateDataLocator(XAuint32 pCounter, void* pSnk, ... )
{
    va_list argptr;
    XAuint32 counter = 0;
    XADataLocator_URI* uri = NULL;
    XADataLocator_NativeDisplay* display = NULL;
    XADataLocator_OutputMix* omix = NULL;
    XADataLocator_Address* address = NULL;
    XADataLocator_IODevice* iodevice = NULL;
    XAresult ret = XA_RESULT_SUCCESS;
    XADataSink* xaSnk = NULL;
    DEBUG_API("->XACommon_ValidateDataLocator");

    xaSnk = (XADataSink*)pSnk;

    /* Initialize variable arguments. */
    //va_start (argptr, xaSnk); TL: Replaced with:
  	va_start (argptr, pSnk);    
    while( counter < pCounter )
    {
        if( counter > 0)
        {
            /*XADataSink and XADataSrc are equivalent, use XADataSink for both*/
            xaSnk = va_arg(argptr, XADataSink*);
        }
        if( !xaSnk )
        {   /*NULL sinks/sources are possible, not checked here*/
            counter++;
            continue;
        }
        else if( !xaSnk->pLocator )
        {
            DEBUG_ERR_A1("NULL XADataLocator in parameter %d",(int)counter);
            ret = XA_RESULT_PARAMETER_INVALID;
            va_end(argptr);
    				DEBUG_API("<-XACommon_ValidateDataLocator");
    				return ret;
        }
        switch ( *(XAuint32*)(xaSnk->pLocator) )
        {
            case XA_DATALOCATOR_URI:
                DEBUG_INFO("XA_DATALOCATOR_URI");
                uri = (XADataLocator_URI*)xaSnk->pLocator;
                if( !uri->URI && !xaSnk->pFormat )
                {
                    DEBUG_ERR("Invalid parameter set for uri ");
                    ret = XA_RESULT_PARAMETER_INVALID;
                }
                break;
            case XA_DATALOCATOR_NATIVEDISPLAY:
                DEBUG_INFO("Sink locator type - XA_DATALOCATOR_NATIVEDISPLAY");
                display = (XADataLocator_NativeDisplay*)(xaSnk->pLocator);
                if( !display->hDisplay || !display->hWindow )
                {
                    /*No action at this time*/
                    DEBUG_INFO("Warning - no display or window handle set");
                }
                break;
            case XA_DATALOCATOR_OUTPUTMIX:
                DEBUG_INFO("Sink locator type - XA_DATALOCATOR_OUTPUTMIX");
                {
                    omix = (XADataLocator_OutputMix*)(xaSnk->pLocator);
                    if ( !omix->outputMix )
                    {
                        DEBUG_ERR("Invalid parameter set for outputmix");
                        ret = XA_RESULT_PARAMETER_INVALID;
                    }
                }
                break;
            case XA_DATALOCATOR_ADDRESS:
                DEBUG_INFO("XA_DATALOCATOR_ADDRESS");
                address = (XADataLocator_Address*)(xaSnk->pLocator);
                if( !address->pAddress && !xaSnk->pFormat )
                {
                    DEBUG_ERR("Invalid parameter set for address");
                    ret = XA_RESULT_PARAMETER_INVALID;
                }
                break;
            case XA_DATALOCATOR_IODEVICE:
                DEBUG_INFO("XA_DATALOCATOR_IODEVICE");
                iodevice = (XADataLocator_IODevice*)(xaSnk->pLocator);
                if( iodevice->device )
                {
                    DEBUG_INFO("Media object as IODevice");
                }
                else
                {
                    DEBUG_INFO("Iodevice id used");
                }
                break;
            default:
                DEBUG_ERR("Incorrect data locator for sink.")
                ret = XA_RESULT_PARAMETER_INVALID;
                break;
        }
        counter ++;
    }
    va_end(argptr);
    DEBUG_API("<-XACommon_ValidateDataLocator");
    return ret;
}