khronosfws/openmax_al/src/common/xacommon.c
branchRCL_3
changeset 45 095bea5f582e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/khronosfws/openmax_al/src/common/xacommon.c	Tue Aug 31 15:43:02 2010 +0300
@@ -0,0 +1,335 @@
+/*
+ * 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: Common Openmax AL utility functions
+ *
+ */
+
+#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 (mime && (strncmp((char*) mime, "audio", 5) == 0))
+                        {
+                        *type = XA_MEDIATYPE_AUDIO;
+                        }
+                    else if (mime && (strncmp((char*) mime, "video", 5) == 0))
+                        {
+                        *type = XA_MEDIATYPE_VIDEO;
+                        }
+                    else if (mime && (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, 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_DEFAULTDEVICEID_AUDIOOUTPUT:
+            DEBUG_INFO("XA_DEFAULTDEVICEID_AUDIOOUTPUT");
+            uri = (XADataLocator_URI*)xaSnk->pLocator;
+            break;
+            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;
+    }