mp4apyld.cpp

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/* ***** BEGIN LICENSE BLOCK *****
 * Version: RCSL 1.0/RPSL 1.0
 *
 * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
 *
 * The contents of this file, and the files included with this file, are
 * subject to the current version of the RealNetworks Public Source License
 * Version 1.0 (the "RPSL") available at
 * http://www.helixcommunity.org/content/rpsl unless you have licensed
 * the file under the RealNetworks Community Source License Version 1.0
 * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
 * in which case the RCSL will apply. You may also obtain the license terms
 * directly from RealNetworks.  You may not use this file except in
 * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
 * applicable to this file, the RCSL.  Please see the applicable RPSL or
 * RCSL for the rights, obligations and limitations governing use of the
 * contents of the file.
 *
 * This file is part of the Helix DNA Technology. RealNetworks is the
 * developer of the Original Code and owns the copyrights in the portions
 * it created.
 *
 * This file, and the files included with this file, is distributed and made
 * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 *
 * Technology Compatibility Kit Test Suite(s) Location:
 *    http://www.helixcommunity.org/content/tck
 *
 * Contributor(s):
 *
 * ***** END LICENSE BLOCK ***** */

 /****************************************************************************
 *  Defines
 */
#define _OVERALLOC_CODEC_DATA	3

#define FLUSH_ALL_PACKETS   0xFFFFFFFF

#define CHAR_LF	0x0a
#define CHAR_CR	0x0d

/****************************************************************************
 *  Includes
 */
#include "hxtypes.h"
#include "hxwintyp.h"
#include "hxcom.h"
#include "hxcomm.h"

#include "hxassert.h"
#include "hxslist.h"
#include "hxstrutl.h"
#include "hxcomm.h"
#include "ihxpckts.h"
#include "hxformt.h"
#include "hxrendr.h"
#include "hxformt.h"
#include "hxengin.h"

#include "mp4-latm-depack.h"

#include "mp4desc.h"
#include "mp4apyld.h"
#include "mp4pyldutil.h"

MP4APayloadFormat::MP4APayloadFormat()
    : m_lRefCount	    (0)
    , m_pClassFactory	    (NULL)
    , m_pStreamHeader	    (NULL)
    , m_bFlushed	    (FALSE)
    , m_bUsesRTPPackets	    (FALSE)
    , m_bRTPPacketTested    (FALSE)
    , m_bPacketize	    (FALSE)
    , m_pAudioConfig	    (NULL)
    , m_ulAudioConfigSize   (0)
    , m_unAudioConfigType   (2)
    , m_ulSamplesPerSecond  (1000)
    , m_ulRTPSamplesPerSecond(0)
    , m_PayloadID	    (PYID_X_HX_MP4_RAWAU)
    , m_bPriorLoss	    (FALSE)
    , m_pLATMDepack	    (NULL)
{
    ;
}

MP4APayloadFormat::~MP4APayloadFormat()
{
    FlushPackets(FLUSH_ALL_PACKETS);

    HX_VECTOR_DELETE(m_pAudioConfig);
    HX_DELETE(m_pLATMDepack);
    HX_RELEASE(m_pClassFactory);
    HX_RELEASE(m_pStreamHeader);
}

HX_RESULT MP4APayloadFormat::Build(REF(IMP4APayloadFormat*) pFmt)
{
    pFmt = new MP4APayloadFormat();

    HX_RESULT res = HXR_OUTOFMEMORY;
    if (pFmt)
    {
	pFmt->AddRef();
	res = HXR_OK;
    }

    return res;
}

// *** IUnknown methods ***

/////////////////////////////////////////////////////////////////////////
//  Method:
//	IUnknown::QueryInterface
//  Purpose:
//	Implement this to export the interfaces supported by your
//	object.
//
STDMETHODIMP
MP4APayloadFormat::QueryInterface(REFIID riid, void** ppvObj)
{
    QInterfaceList qiList[] =
    {
	{ GET_IIDHANDLE(IID_IUnknown), this },
	{ GET_IIDHANDLE(IID_IHXPayloadFormatObject), (IHXPayloadFormatObject*) this },
    };
    return ::QIFind(qiList, QILISTSIZE(qiList), riid, ppvObj);
}

/////////////////////////////////////////////////////////////////////////
//  Method:
//	IUnknown::AddRef
//  Purpose:
//	Everyone usually implements this the same... feel free to use
//	this implementation.
//
STDMETHODIMP_(ULONG32)
MP4APayloadFormat::AddRef()
{
    return InterlockedIncrement(&m_lRefCount);
}

/////////////////////////////////////////////////////////////////////////
//  Method:
//	IUnknown::Release
//  Purpose:
//	Everyone usually implements this the same... feel free to use
//	this implementation.
//
STDMETHODIMP_(ULONG32)
MP4APayloadFormat::Release()
{
    if (InterlockedDecrement(&m_lRefCount) > 0)
    {
        return m_lRefCount;
    }

    delete this;
    return 0;
}


STDMETHODIMP
MP4APayloadFormat::Init(IUnknown* pContext,
			BOOL bPacketize)
{
    HX_RESULT retVal = HXR_OK;

    HX_RELEASE(m_pClassFactory);

    m_bPacketize = bPacketize;

    if (SUCCEEDED(retVal))
    {
	retVal = pContext->QueryInterface(IID_IHXCommonClassFactory,
					  (void**) &m_pClassFactory);
    }

    return retVal;
}

STDMETHODIMP
MP4APayloadFormat::Reset()
{
    // Release all input packets we have stored
    FlushPackets(FLUSH_ALL_PACKETS);

    m_bFlushed = FALSE;
    m_bPriorLoss = FALSE;

    if (m_pLATMDepack)
    {
	m_pLATMDepack->Reset();
    }

    m_TSConverter.Reset();

    return HXR_OK;
}

STDMETHODIMP
MP4APayloadFormat::SetStreamHeader(IHXValues* pHeader)
{
    HX_RESULT retVal;

    if (pHeader)
    {
	m_pStreamHeader = pHeader;
	m_pStreamHeader->AddRef();
    }

    if (m_bPacketize)
    {
	retVal = SetPacketizerHeader(pHeader);
    }
    else
    {
	retVal = SetAssemblerHeader(pHeader);
    }

    return retVal;
}

HX_RESULT MP4APayloadFormat::SetPacketizerHeader(IHXValues* pHeader)
{
    return HXR_OK;
}

HX_RESULT MP4APayloadFormat::SetAssemblerHeader(IHXValues* pHeader)
{
    IHXBuffer* pMimeType = NULL;
    const char* pMimeTypeData = NULL;
    HX_RESULT retVal = HXR_INVALID_PARAMETER;

    if (pHeader)
    {
	retVal = HXR_OK;
    }

    if (SUCCEEDED(retVal))
    {
	retVal = pHeader->GetPropertyCString("MimeType", pMimeType);
    }

    if (SUCCEEDED(retVal))
    {
	pMimeTypeData = (char*) pMimeType->GetBuffer();

	retVal = HXR_FAIL;
	if (pMimeTypeData)
	{
	    retVal = HXR_OK;
	}
    }

    // Determine payload type here based on mime type
    if (SUCCEEDED(retVal))
    {
	if (strcasecmp(pMimeTypeData, "audio/X-RN-MP4-RAWAU") == 0)
	{
	    m_PayloadID = PYID_X_HX_MP4_RAWAU;
	}
	else if (strcasecmp(pMimeTypeData, "audio/mpeg4-simple-A2") == 0)
	{
	    m_PayloadID = PYID_MPEG4_SIMPLE_A2;
	}
	else if (strcasecmp(pMimeTypeData, "audio/MP4A-LATM") == 0)
	{
	    m_PayloadID = PYID_MP4A_LATM;
	}
	else if (strcasecmp(pMimeTypeData, "audio/X-HX-AAC-GENERIC") == 0)
	{
	    m_PayloadID = PYID_X_HX_AAC_GENERIC;
	}
	else
	{
	    retVal = HXR_FAIL;
	}
    }

    if (SUCCEEDED(retVal))
    {
	switch (m_PayloadID)
	{
	case PYID_X_HX_MP4_RAWAU:
	    retVal = SetAssemblerHXHeader(pHeader);
	    break;
	case PYID_MP4A_LATM:
	    retVal = SetAssemblerLATMHeader(pHeader);
	    break;
	case PYID_X_HX_AAC_GENERIC:
	    retVal = SetAssemblerAACGenericHeader(pHeader);
	    break;
	default:
	    retVal = HXR_NOTIMPL;
	    break;
	}
    }

    if (SUCCEEDED(retVal))
    {
	m_ulSamplesPerSecond = 0;
	m_pStreamHeader->GetPropertyULONG32("SamplesPerSecond",
					    m_ulRTPSamplesPerSecond);
    }

    HX_RELEASE(pMimeType);

    return retVal;
}

HX_RESULT MP4APayloadFormat::SetAssemblerAACGenericHeader(IHXValues* pHeader)
{
    IHXBuffer *pBuffer = NULL;
    UCHAR *pBuf = NULL;
    HX_RESULT retVal = HXR_FAIL;

    retVal = m_pStreamHeader->GetPropertyBuffer("OpaqueData",
						pBuffer);
    if (SUCCEEDED(retVal))
    {
        m_pAudioConfig = NULL;
        m_ulAudioConfigSize = pBuffer->GetSize();
        if (m_ulAudioConfigSize)
        {
            pBuf = pBuffer->GetBuffer();
            m_unAudioConfigType = pBuf[0];
            if (--m_ulAudioConfigSize)
            {
                m_pAudioConfig = new UINT8[m_ulAudioConfigSize];
                if (!m_pAudioConfig)
                {
                    retVal = HXR_OUTOFMEMORY;
                }
                else
                {
                    memcpy(m_pAudioConfig, &pBuf[1], m_ulAudioConfigSize);
                }
            }
        }
        else
        {
            m_unAudioConfigType = 0; 
        }
    }
    HX_RELEASE(pBuffer);
    return retVal;
}

HX_RESULT MP4APayloadFormat::SetAssemblerHXHeader(IHXValues* pHeader)
{
    ES_Descriptor ESDesc;
    DecoderConfigDescriptor* pDCDesc = NULL;
    DecoderSpecifcInfo* pDSIDesc = NULL;
    IHXBuffer* pESDescriptor = NULL;

    UINT8* pESDescData;
    ULONG32 ulESDescSize;

    HX_RESULT retVal = HXR_OK;

    HX_VECTOR_DELETE(m_pAudioConfig);
    m_ulAudioConfigSize = 0;

    retVal = m_pStreamHeader->GetPropertyBuffer("OpaqueData",
						pESDescriptor);

    if (SUCCEEDED(retVal))
    {
	retVal = HXR_INVALID_PARAMETER;
	if (pESDescriptor)
	{
	    retVal = HXR_OK;
	}
    }

    if (SUCCEEDED(retVal))
    {
	pESDescData = pESDescriptor->GetBuffer();
	ulESDescSize = pESDescriptor->GetSize();

	retVal = ESDesc.Unpack(pESDescData, ulESDescSize);
    }

    HX_RELEASE(pESDescriptor);

    if (SUCCEEDED(retVal))
    {
	retVal = HXR_FAIL;
	pDCDesc = ESDesc.m_pDecConfigDescr;

	if (pDCDesc)
	{
	    pDSIDesc = pDCDesc->m_pDecSpecificInfo;
	    retVal = HXR_OK;
	}
    }

    if (SUCCEEDED(retVal) && pDSIDesc)
    {
	m_ulAudioConfigSize = pDSIDesc->m_ulLength;

	if (m_ulAudioConfigSize > 0)
	{
	    m_pAudioConfig = new UINT8 [m_ulAudioConfigSize];

	    if (m_pAudioConfig == NULL)
	    {
		m_ulAudioConfigSize = 0;
		retVal = HXR_OUTOFMEMORY;
	    }
	}
    }

    if (SUCCEEDED(retVal))
    {
	if (m_ulAudioConfigSize > 0)
	{
	    memcpy(m_pAudioConfig, pDSIDesc->m_pData, m_ulAudioConfigSize); /* Flawfinder: ignore */
	}
    }

    return retVal;
}

HX_RESULT MP4APayloadFormat::SetAssemblerLATMHeader(IHXValues* pHeader)
{
    HX_RESULT retVal = SetAssemblerLATMConfig(pHeader);

    if (SUCCEEDED(retVal))
    {
	m_pStreamHeader->GetPropertyULONG32("SamplesPerSecond",
					    m_ulRTPSamplesPerSecond);
    }

    return retVal;
}

HX_RESULT MP4APayloadFormat::SetAssemblerLATMConfig(IHXValues* pFMTParams)
{
    IHXBuffer* pConfigBuffer = NULL;
    ULONG32 ulObject = 0;
    ULONG32 ulProfileID = 0;
    ULONG32 ulBitrate = 0;
    ULONG32 bConfigPresent = TRUE;
    HX_RESULT retVal = HXR_OK;

    HX_ASSERT(pFMTParams);

    // Obtain Required parameters
    retVal = CHXMP4PayloadUtil::GetFMTPConfig(pFMTParams, m_pClassFactory,
					      pConfigBuffer);

    // Obtain optional parameters
    if (SUCCEEDED(retVal))
    {
	ULONG32 ulVal = 0;

	pFMTParams->GetPropertyULONG32("FMTPobject", ulObject);
	pFMTParams->GetPropertyULONG32("FMTPprofile-level-id", ulProfileID);
	if (SUCCEEDED(pFMTParams->GetPropertyULONG32("FMTPcpresent", ulVal)))
	{
	    bConfigPresent = (ulVal != 0);
	}
	pFMTParams->GetPropertyULONG32("FMTPbitrate", ulBitrate);
    }

    // Create and initialize the MP4A-LATM depacketizer
    if (SUCCEEDED(retVal))
    {
	HX_DELETE(m_pLATMDepack);
	m_pLATMDepack = new MP4LATMDepack;

	retVal = HXR_OUTOFMEMORY;
	if (m_pLATMDepack)
	{
	    retVal = HXR_OK;
	}
    }

    if (SUCCEEDED(retVal))
    {
	UINT8* pStreamMuxConfig = NULL;
	ULONG32 ulMuxConfigSize = 0;
	const UINT8* pCodecConfig = NULL;
	ULONG32 ulConfigSize = 0;


	if (pConfigBuffer)
	{
	    pStreamMuxConfig = pConfigBuffer->GetBuffer();
	    ulMuxConfigSize = pConfigBuffer->GetSize();
	}

	retVal = HXR_FAIL;
	if (m_pLATMDepack->Init(ulProfileID,
				ulObject,
				ulBitrate,
				bConfigPresent,
				pStreamMuxConfig,
				ulMuxConfigSize,
				OnFrameCallback,
				this))