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Diffstat (limited to 'media/libstagefright/codecs/aacdec/huffman.h')
| -rw-r--r-- | media/libstagefright/codecs/aacdec/huffman.h | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/aacdec/huffman.h b/media/libstagefright/codecs/aacdec/huffman.h new file mode 100644 index 0000000..030ae23 --- /dev/null +++ b/media/libstagefright/codecs/aacdec/huffman.h @@ -0,0 +1,241 @@ +/* ------------------------------------------------------------------ + * Copyright (C) 1998-2009 PacketVideo + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either + * express or implied. + * See the License for the specific language governing permissions + * and limitations under the License. + * ------------------------------------------------------------------- + */ +/* + + Pathname: .huffman.h + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: Put declaration of getfill in this file. + + Description: Remove prstflag from get_ics_info declaration. + + Description: Trivial change of the data type of one of the parameters to + get_ics_info. + + Description: Change where get_ics_info is declared. + + Description: Clean up comments + + Description: (1) Add declaration of binary tree search function for Huffman + decoding + (2) #if the traditional and optimized linear seach methods. + + Description: Modified per review comments + (1) delete #if traditional and optimized linear seach methods + + Description: Merged Ken's change on getics: delete pFrameInfo from argument + list + + Description: Added function definition for table specific huffman decoding + functions. + + Who: Date: + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + include function prototype definitions for Huffman decoding module + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef HUFFMAN_H +#define HUFFMAN_H + +#ifdef __cplusplus +extern "C" +{ +#endif + + /*---------------------------------------------------------------------------- + ; INCLUDES + ----------------------------------------------------------------------------*/ +#include "pv_audio_type_defs.h" +#include "s_frameinfo.h" +#include "s_sectinfo.h" +#include "s_pulseinfo.h" +#include "s_tdec_int_file.h" +#include "s_tdec_int_chan.h" +#include "ibstream.h" + +#include "s_hcb.h" +#include "hcbtables.h" + +#include "get_pulse_data.h" +#include "get_ics_info.h" + + /*---------------------------------------------------------------------------- + ; MACROS + ; Define module specific macros here + ----------------------------------------------------------------------------*/ + + /*---------------------------------------------------------------------------- + ; DEFINES + ; Include all pre-processor statements here. + ----------------------------------------------------------------------------*/ +#define DIMENSION_4 4 +#define DIMENSION_2 2 + + /*---------------------------------------------------------------------------- + ; EXTERNAL VARIABLES REFERENCES + ; Declare variables used in this module but defined elsewhere + ----------------------------------------------------------------------------*/ + + /*---------------------------------------------------------------------------- + ; SIMPLE TYPEDEF'S + ----------------------------------------------------------------------------*/ + + /*---------------------------------------------------------------------------- + ; ENUMERATED TYPEDEF'S + ----------------------------------------------------------------------------*/ + + /*---------------------------------------------------------------------------- + ; STRUCTURES TYPEDEF'S + ----------------------------------------------------------------------------*/ + + /*---------------------------------------------------------------------------- + ; GLOBAL FUNCTION DEFINITIONS + ; Function Prototype declaration + ----------------------------------------------------------------------------*/ + Int decode_huff_cw_tab1( + BITS *pInputStream); + + Int decode_huff_cw_tab2( + BITS *pInputStream); + + Int decode_huff_cw_tab3( + BITS *pInputStream); + + Int decode_huff_cw_tab4( + BITS *pInputStream); + + Int decode_huff_cw_tab5( + BITS *pInputStream); + + Int decode_huff_cw_tab6( + BITS *pInputStream); + + Int decode_huff_cw_tab7( + BITS *pInputStream); + + Int decode_huff_cw_tab8( + BITS *pInputStream); + + Int decode_huff_cw_tab9( + BITS *pInputStream); + + Int decode_huff_cw_tab10( + BITS *pInputStream); + + Int decode_huff_cw_tab11( + BITS *pInputStream); + + Int decode_huff_scl( + BITS *pInputStream); + + Int infoinit( + const Int sampling_rate_idx, + FrameInfo **ppWin_seq_info, + Int *pSfbwidth128); + + Int huffcb( + SectInfo *pSect, + BITS *pInputStream, + Int *pSectbits, + Int tot_sfb, + Int sfb_per_sbk, + Int max_sfb); + + Int hufffac( + FrameInfo *pFrameInfo, + BITS *pInputStream, + Int *pGroup, + Int nsect, + SectInfo *pSect, + Int global_gain, + Int *pFactors, + Int huffBookUsed[]); + + Int huffspec_fxp( + FrameInfo *pFrameInfo, + BITS *pInputStream, + Int nsect, + SectInfo *pSectInfo, + Int factors[], + Int32 coef[], + Int16 quantSpec[], + Int16 tmp_spec[], + const FrameInfo *pLongFrameInfo, + PulseInfo *pPulseInfo, + Int qFormat[]); + + Int huffdecode( + Int id_syn_ele, + BITS *pInputStream, + tDec_Int_File *pVars, + tDec_Int_Chan *pChVars[]); + + void deinterleave( + Int16 interleaved[], + Int16 deinterleaved[], + FrameInfo *pFrameInfo); + + Int getics( + + BITS *pInputStream, + Int common_window, + tDec_Int_File *pVars, + tDec_Int_Chan *pChVars, + Int group[], + Int *pMax_sfb, + Int *pCodebookMap, + TNS_frame_info *pTnsInfo, + FrameInfo **pWinMap, + PulseInfo *pPulseInfo, + SectInfo sect[]); + + void calc_gsfb_table( + FrameInfo *pFrameInfo, + Int group[]); + + Int getmask( + FrameInfo *pFrameInfo, + BITS *pInputStream, + Int *pGroup, + Int max_sfb, + Int *pMask); + + void getgroup( + Int group[], + BITS *pInputStream); + + + /*---------------------------------------------------------------------------- + ; END + ----------------------------------------------------------------------------*/ +#ifdef __cplusplus +} +#endif + +#endif |