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+/***************************** MPEG-4 AAC Decoder **************************
+
+ (C) Copyright Fraunhofer IIS (2006)
+ 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): Manuel Jander
+ Description: Bitstream data provider for MP4 decoders
+
+ 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 "machine_type.h"
+#include "FDK_audio.h"
+
+#define MPFREAD_MP4FF_DISABLE
+
+#ifndef MPFREAD_MP4FF_DISABLE
+ /*!< If MPFREAD_MP4FF_ENABLE is set, include support for MPEG ISO fileformat.
+ If not set, no .mp4, .m4a and .3gp files can be used for input. */
+ #define MPFREAD_MP4FF_ENABLE
+#endif
+
+/* maximum number of layers which can be read */
+/* shall equal max number of layers read by iisisoff */
+#define FILEREAD_MAX_LAYERS (2)
+
+typedef struct STRUCT_FILEREAD *HANDLE_FILEREAD;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \brief Open an MPEG audio file and try to detect its format.
+ * \param filename String of the filename to be opened.
+ * \param fileFormat Skip file format detection and use given format if fileFormat != FF_UNKNOWN.
+ Else store detected format into *fileFmt.
+ * \param transportType Skip transport type detection and use given format if transportType != TT_UNKNOWN.
+ Else store detected format into *fileFmt.
+ * \param conf Pointer to unsigned char to hold the AudioSpecificConfig of the input file, if
+ any (MPEG 4 file format). In case of RAW LATM it holds the StreamMuxConfig.
+ * \param confSize Pointer to an integer, where the length of the ASC or SMC (in case of RAW LATM)
+ is stored to.
+ * \return MPEG file read handle.
+ */
+HANDLE_FILEREAD mpegFileRead_Open( const char *filename,
+ FILE_FORMAT fileFormat,
+ TRANSPORT_TYPE transportType,
+ UCHAR *conf[],
+ UINT confSize[],
+ INT *noOfLayers
+ );
+
+/**
+ * \brief Get the file format of the input file.
+ * \param hDataSrc MPEG file read handle.
+ * \return File format of the input file.
+ */
+FILE_FORMAT mpegFileRead_GetFileFormat(HANDLE_FILEREAD hDataSrc);
+
+/**
+ * \brief Get the transport type of the input file.
+ * \param hDataSrc MPEG file read handle.
+ * \return Transport type of the input file.
+ */
+TRANSPORT_TYPE mpegFileRead_GetTransportType(HANDLE_FILEREAD hDataSrc);
+
+/**
+ * \brief Read data from MPEG file. In case of packet file, read one packet, in case
+ * of streaming file with embedded synchronisation layer (LOAS/ADTS...), just
+ * fill the buffer.
+ *
+ * \param hMpegFile MPEG file read handle.
+ * \param inBuffer Pointer to input buffer.
+ * \param bufferSize Size of input buffer.
+ * \param bytesValid Number of bytes that were read.
+ * \return 0 on success, -1 if unsupported file format or file read error.
+ */
+int mpegFileRead_Read( HANDLE_FILEREAD hMpegFile,
+ UCHAR *inBuffer[],
+ UINT bufferSize,
+ UINT *bytesValid
+ );
+
+/**
+ * \brief Seek in file from origin by given offset in frames.
+ * \param hMpegFile MPEG file read handle.
+ * \param origin If 0, the origin is the file beginning (absolute seek).
+ * If 1, the origin is the current position (relative seek).
+ * \param offset The amount of frames to seek from the given origin.
+ * \return 0 on sucess, -1 if offset < 0 or file read error.
+ */
+int mpegFileRead_seek( HANDLE_FILEREAD hMpegFile,
+ INT origin,
+ INT offset
+ );
+
+/**
+ * \brief Get file position in percent.
+ * \param hMpegFile MPEG file read handle.
+ * \return File position in percent.
+ */
+int mpegFileRead_getPercent(HANDLE_FILEREAD hMpegFile);
+
+
+/**
+ * \brief Close MPEG audio file.
+ * \param hMpegFile Mpeg file read handle.
+ * \return 0 on sucess.
+ */
+int mpegFileRead_Close(HANDLE_FILEREAD *hMpegFile);
+
+#ifdef __cplusplus
+}
+#endif