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authorDave Burke <daveburke@google.com>2012-04-17 09:51:45 -0700
committerDave Burke <daveburke@google.com>2012-04-17 23:04:43 -0700
commit9bf37cc9712506b2483650c82d3c41152337ef7e (patch)
tree77db44e2bae06e3d144b255628be2b7a55c581d3 /libAACdec/src/aacdec_drc_types.h
parenta37315fe10ee143d6d0b28c19d41a476a23e63ea (diff)
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Fraunhofer AAC codec.
License boilerplate update to follow. Change-Id: I2810460c11a58b6d148d84673cc031f3685e79b5
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+/***************************** MPEG-4 AAC Decoder **************************
+
+ (C) Copyright Fraunhofer IIS (2010)
+ 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): Christian Griebel
+ Description: Dynamic range control (DRC) global data types
+
+ 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 AACDEC_DRC_TYPES_H
+#define AACDEC_DRC_TYPES_H
+
+
+
+#include "common_fix.h"
+
+ #define MAX_DRC_THREADS ( 3 ) /* Heavy compression value is handled just like MPEG DRC data */
+#define MAX_DRC_BANDS ( 16 ) /* 2^LEN_DRC_BAND_INCR (LEN_DRC_BAND_INCR = 4) */
+
+/**
+ * \brief DRC module global data types
+ */
+typedef enum
+{
+ UNKNOWN_PAYLOAD = 0,
+ MPEG_DRC_EXT_DATA,
+ DVB_DRC_ANC_DATA
+
+} AACDEC_DRC_PAYLOAD_TYPE;
+
+typedef struct
+{
+ UINT expiryCount;
+ UINT numBands;
+ USHORT bandTop[MAX_DRC_BANDS];
+ SHORT drcInterpolationScheme;
+ UCHAR drcValue[MAX_DRC_BANDS];
+
+} CDrcChannelData;
+
+typedef struct
+{
+ AACDEC_DRC_PAYLOAD_TYPE type;
+ UINT excludedChnsMask;
+ SCHAR progRefLevel;
+ SCHAR pceInstanceTag;
+
+ CDrcChannelData channelData;
+
+} CDrcPayload;
+
+typedef struct
+{
+ FIXP_DBL cut;
+ FIXP_DBL boost;
+
+ UINT expiryFrame;
+ SCHAR targetRefLevel;
+ UCHAR bsDelayEnable;
+ UCHAR applyHeavyCompression;
+
+} CDrcParams;
+
+
+typedef struct
+{
+ CDrcParams params; /* Module parameters that can be set by user (via SetParam API function) */
+
+ UCHAR enable; /* Switch that controls dynamic range processing */
+ UCHAR digitalNorm; /* Switch to en-/disable reference level normalization in digital domain */
+
+ USHORT numPayloads; /* The number of DRC data payload elements found within frame */
+ USHORT numThreads; /* The number of DRC data threads extracted from the found payload elements */
+ SCHAR progRefLevel; /* Program reference level for all channels */
+
+ UCHAR dvbAncDataAvailable; /* Flag that indicates whether DVB ancillary data is present or not */
+ UINT dvbAncDataPosition; /* Used to store the DVB ancillary data payload position in the bitstream (only one per frame) */
+ UINT drcPayloadPosition[MAX_DRC_THREADS]; /* Used to store the DRC payload positions in the bitstream */
+
+} CDrcInfo;
+
+typedef CDrcInfo *HANDLE_AAC_DRC;
+
+#endif /* AACDEC_DRC_TYPES_H */
+