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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/pulsedata.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 (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: pulse data tool
+
+ 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 PULSEDATA_H
+#define PULSEDATA_H
+
+
+
+#include "common_fix.h"
+#include "FDK_bitstream.h"
+
+#define N_MAX_LINES 4
+
+typedef struct
+{
+ UCHAR PulseDataPresent;
+ UCHAR NumberPulse;
+ UCHAR PulseStartBand;
+ UCHAR PulseOffset[N_MAX_LINES];
+ UCHAR PulseAmp[N_MAX_LINES];
+} CPulseData;
+
+/**
+ * \brief Read pulse data from bitstream
+ *
+ * The function reads the elements for pulse data from
+ * the bitstream.
+ *
+ * \param bs bit stream handle data source.
+ * \param PulseData pointer to a CPulseData were the decoded data is stored into.
+ * \param MaxSfBands max number of scale factor bands.
+ * \return 0 on success, != 0 on parse error.
+ */
+INT CPulseData_Read(
+ const HANDLE_FDK_BITSTREAM bs,
+ CPulseData *const PulseData,
+ const SHORT *sfb_startlines,
+ const void *pIcsInfo,
+ const SHORT frame_length
+ );
+
+/**
+ * \brief Apply pulse data to spectral lines
+ *
+ * The function applies the pulse data to the
+ * specified spectral lines.
+ *
+ * \param PulseData pointer to the previously decoded pulse data.
+ * \param pScaleFactorBandOffsets scale factor band line offset table.
+ * \param coef pointer to the spectral data were pulse data should be applied to.
+ * \return none
+*/
+void CPulseData_Apply(CPulseData *PulseData,
+ const short *pScaleFactorBandOffsets,
+ FIXP_DBL *coef);
+
+
+#endif /* #ifndef PULSEDATA_H */