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_latm.h | 103 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 libMpegTPDec/src/tpdec_latm.h

(limited to 'libMpegTPDec/src/tpdec_latm.h')

diff --git a/libMpegTPDec/src/tpdec_latm.h b/libMpegTPDec/src/tpdec_latm.h
new file mode 100644
index 0000000..54854b3
--- /dev/null
+++ b/libMpegTPDec/src/tpdec_latm.h
@@ -0,0 +1,103 @@
+/*****************************  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):   Daniel Homm
+   Description:
+
+   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.
+
+******************************************************************************/
+
+#ifndef LATM_DEMUX_H
+#define LATM_DEMUX_H
+
+#include "tpdec_lib.h"
+
+
+#include "FDK_bitstream.h"
+
+#define MIN_LATM_HEADERLENGTH  9
+#define MIN_LOAS_HEADERLENGTH  MIN_LATM_HEADERLENGTH + 24   /* both in bits */
+ #define MIN_TP_BUF_SIZE_LOAS   ( 8194 )
+
+enum {
+  LATM_MAX_PROG = 1,
+  LATM_MAX_LAYER = 2,
+  LATM_MAX_VAR_CHUNKS=16,
+  LATM_MAX_ID=16
+};
+
+typedef struct {
+  UINT m_frameLengthType;
+  UINT m_bufferFullness;
+  UINT m_streamID;
+  UINT m_frameLengthInBits;
+} LATM_LAYER_INFO;
+
+typedef struct {
+  LATM_LAYER_INFO m_linfo[LATM_MAX_PROG][LATM_MAX_LAYER];
+  UINT m_taraBufferFullness;
+  UINT m_otherDataLength;
+  UINT m_audioMuxLengthBytes;          /* Length of LOAS payload */
+
+  UCHAR m_useSameStreamMux;
+  UCHAR m_AudioMuxVersion;
+  UCHAR m_AudioMuxVersionA;
+  UCHAR m_allStreamsSameTimeFraming;
+  UCHAR m_noSubFrames;
+  UCHAR m_numProgram;
+  UCHAR m_numLayer;
+  UCHAR m_useSameConfig;
+
+  UCHAR m_otherDataPresent;
+  UCHAR m_crcCheckPresent;
+  UCHAR m_crcCheckSum;
+
+  SCHAR BufferFullnessAchieved;
+} CLatmDemux;
+
+int CLatmDemux_ReadAuChunkLengthInfo(HANDLE_FDK_BITSTREAM bs);
+
+TRANSPORTDEC_ERROR CLatmDemux_Read(
+        HANDLE_FDK_BITSTREAM bs,
+        CLatmDemux *pLatmDemux,
+        TRANSPORT_TYPE tt,
+        CSTpCallBacks *pTpDecCallbacks,
+        CSAudioSpecificConfig *pAsc,
+        const INT ignoreBufferFullness
+        );
+
+TRANSPORTDEC_ERROR CLatmDemux_ReadStreamMuxConfig(
+        HANDLE_FDK_BITSTREAM bs,
+        CLatmDemux *pLatmDemux,
+        CSTpCallBacks *pTpDecCallbacks,
+        CSAudioSpecificConfig *pAsc
+        );
+
+TRANSPORTDEC_ERROR CLatmDemux_ReadPayloadLengthInfo(HANDLE_FDK_BITSTREAM bs, CLatmDemux *pLatmDemux);
+
+int  CLatmDemux_GetFrameLengthInBits(CLatmDemux *pLatmDemux);
+int  CLatmDemux_GetOtherDataPresentFlag(CLatmDemux *pLatmDemux);
+int  CLatmDemux_GetOtherDataLength(CLatmDemux *pLatmDemux);
+UINT CLatmDemux_GetNrOfSubFrames(CLatmDemux *pLatmDemux);
+
+
+#endif /* LATM_DEMUX_H */
-- 
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