From 9bf37cc9712506b2483650c82d3c41152337ef7e Mon Sep 17 00:00:00 2001
From: Dave Burke <daveburke@google.com>
Date: Tue, 17 Apr 2012 09:51:45 -0700
Subject: Fraunhofer AAC codec.

License boilerplate update to follow.

Change-Id: I2810460c11a58b6d148d84673cc031f3685e79b5
---
 libMpegTPDec/src/tpdec_adif.cpp | 93 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 libMpegTPDec/src/tpdec_adif.cpp

(limited to 'libMpegTPDec/src/tpdec_adif.cpp')

diff --git a/libMpegTPDec/src/tpdec_adif.cpp b/libMpegTPDec/src/tpdec_adif.cpp
new file mode 100644
index 0000000..7c47ea3
--- /dev/null
+++ b/libMpegTPDec/src/tpdec_adif.cpp
@@ -0,0 +1,93 @@
+/*****************************  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);
+}
+
+
+
-- 
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