diff options
Diffstat (limited to 'libMpegTPDec/src/tpdec_latm.h')
-rw-r--r-- | libMpegTPDec/src/tpdec_latm.h | 103 |
1 files changed, 103 insertions, 0 deletions
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 */ |