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+/***************************** MPEG-4 AAC Decoder **************************
+
+ (C) Copyright Fraunhofer IIS (2004)
+ All Rights Reserved
+
+ Please be advised that this software and/or program delivery is
+ Confidential Information of Fraunhofer and subject to and covered by the
+
+ Fraunhofer IIS Software Evaluation Agreement
+ between Google Inc. and Fraunhofer
+ effective and in full force since March 1, 2012.
+
+ You may use this software and/or program only under the terms and
+ conditions described in the above mentioned Fraunhofer IIS Software
+ Evaluation Agreement. Any other and/or further use requires a separate agreement.
+
+
+ $Id$
+ Author(s): Josef Hoepfl
+ Description: ADIF reader
+
+ This software and/or program is protected by copyright law and international
+ treaties. Any reproduction or distribution of this software and/or program,
+ or any portion of it, may result in severe civil and criminal penalties, and
+ will be prosecuted to the maximum extent possible under law.
+
+******************************************************************************/
+
+#include "tpdec_adif.h"
+
+
+#include "FDK_bitstream.h"
+#include "genericStds.h"
+
+TRANSPORTDEC_ERROR adifRead_DecodeHeader(
+ CAdifHeader *pAdifHeader,
+ CProgramConfig *pPce,
+ HANDLE_FDK_BITSTREAM bs
+ )
+{
+ int i;
+ TRANSPORTDEC_ERROR ErrorStatus = TRANSPORTDEC_OK;
+ UINT startAnchor = FDKgetValidBits(bs);
+
+ if ((INT)startAnchor < MIN_ADIF_HEADERLENGTH) {
+ return (TRANSPORTDEC_NOT_ENOUGH_BITS);
+ }
+
+ if (FDKreadBits(bs,8) != 'A') {
+ return (TRANSPORTDEC_SYNC_ERROR);
+ }
+ if (FDKreadBits(bs,8) != 'D') {
+ return (TRANSPORTDEC_SYNC_ERROR);
+ }
+ if (FDKreadBits(bs,8) != 'I') {
+ return (TRANSPORTDEC_SYNC_ERROR);
+ }
+ if (FDKreadBits(bs,8) != 'F') {
+ return (TRANSPORTDEC_SYNC_ERROR);
+ }
+
+ if ( (pAdifHeader->CopyrightIdPresent = FDKreadBits(bs,1)) != 0 )
+ FDKpushBiDirectional(bs,72); /* CopyrightId */
+
+
+ pAdifHeader->OriginalCopy = FDKreadBits(bs,1);
+ pAdifHeader->Home = FDKreadBits(bs,1);
+ pAdifHeader->BitstreamType = FDKreadBits(bs,1);
+
+ /* pAdifHeader->BitRate = FDKreadBits(bs, 23); */
+ pAdifHeader->BitRate = FDKreadBits(bs,16);
+ pAdifHeader->BitRate <<= 7;
+ pAdifHeader->BitRate |= FDKreadBits(bs,7);
+
+ pAdifHeader->NumProgramConfigElements = FDKreadBits(bs,4) + 1;
+
+ if (pAdifHeader->BitstreamType == 0) {
+ FDKpushBiDirectional(bs,20); /* adif_buffer_fullness */
+ }
+
+ /* Parse all PCEs but keep only one */
+ for (i=0; i < pAdifHeader->NumProgramConfigElements; i++)
+ {
+ CProgramConfig_Read(pPce, bs, startAnchor);
+ }
+
+ FDKbyteAlign(bs, startAnchor);
+
+ return (ErrorStatus);
+}
+
+
+