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Diffstat (limited to 'media/libstagefright/codecs/aacdec/s_tdec_int_file.h')
| -rw-r--r-- | media/libstagefright/codecs/aacdec/s_tdec_int_file.h | 277 |
1 files changed, 277 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/aacdec/s_tdec_int_file.h b/media/libstagefright/codecs/aacdec/s_tdec_int_file.h new file mode 100644 index 0000000..d0ffb0b --- /dev/null +++ b/media/libstagefright/codecs/aacdec/s_tdec_int_file.h @@ -0,0 +1,277 @@ +/* ------------------------------------------------------------------ + * 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: s_tDec_Int_File.h + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: Remove unneeded structure elements, clean up. + + Description: Remove block.h, not needed, chains in other not needed files. + + Description: Added declaration of scratch memory, scratchTnsDecCoefMem, + which will be utilized by tns_decode_coef(). + + Description: + (1) Modified to include the lines... + + #ifdef __cplusplus + extern "C" { + #endif + + #ifdef __cplusplus + } + #endif + + (2) Updated the copyright header. + + Description: Per review comments... + (1) Removed declaration of unused variable, savedMCInfo + (2) Commented out ADTS related variables. + (3) Slight re-wording of comment for clarity. + + Description: + (1) Moved scratch_prog_config into the scratch union. + + Description: + (1) Added ltp state variable. + + Description: Make tDec_Int_perChan an array of structures. + In the user applications, the malloc command will allocate a + continuous chunk of memory. + + Description: + (1) Added the array data_stream_bytes[] to structure tDec_Int_File. + This to support Data Streaming Elements (DSE). + (2) Updated the copyright header. + + + Who: Date: + Description: + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + This include file defines the structure, tDec_Int_Chan + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef S_TDEC_INT_FILE_H +#define S_TDEC_INT_FILE_H + +#ifdef __cplusplus +extern "C" +{ +#endif + + /*---------------------------------------------------------------------------- + ; INCLUDES + ----------------------------------------------------------------------------*/ +#include "pv_audio_type_defs.h" +#include "s_progconfig.h" +#include "s_frameinfo.h" +#include "s_mc_info.h" +#include "s_adif_header.h" +#include "s_tdec_int_chan.h" +#include "s_pulseinfo.h" +#include "s_bits.h" +#include "s_hcb.h" +#include "e_infoinitconst.h" + +#include "s_sbr_channel.h" +#include "s_sbr_dec.h" +#include "s_sbrbitstream.h" + + /*---------------------------------------------------------------------------- + ; MACROS + ; Define module specific macros here + ----------------------------------------------------------------------------*/ + + /*---------------------------------------------------------------------------- + ; DEFINES + ; Include all pre-processor statements here. + ----------------------------------------------------------------------------*/ + + /*---------------------------------------------------------------------------- + ; EXTERNAL VARIABLES REFERENCES + ; Declare variables used in this module but defined elsewhere + ----------------------------------------------------------------------------*/ + + /*---------------------------------------------------------------------------- + ; SIMPLE TYPEDEF'S + ----------------------------------------------------------------------------*/ + + /*---------------------------------------------------------------------------- + ; ENUMERATED TYPEDEF'S + ----------------------------------------------------------------------------*/ + + /*---------------------------------------------------------------------------- + ; STRUCTURES TYPEDEF'S + ----------------------------------------------------------------------------*/ + + + + + + /* + * Note: most of the names of the variables put into this structure were kept + * the same because the name is also used in called functions. + * + * bno - block number + * + */ + typedef struct + { + UInt32 bno; + Int status; /* save the status */ + + bool aacPlusEnabled; + bool aacConfigUtilityEnabled; + + Int current_program; + Int frameLength; + Int adif_test; + + BITS inputStream; + + ProgConfig prog_config; + + Int SFBWidth128[(1<<LEN_MAX_SFBS)]; + + /* + * One of the two arrays should be deleted in the final version. + */ + FrameInfo longFrameInfo; + FrameInfo shortFrameInfo; + FrameInfo *winmap[NUM_WIN_SEQ]; + + /* + * Pns variables. + */ + Int32 pns_cur_noise_state; + + /* + * + */ + MC_Info mc_info; + + Int ltp_buffer_state; + + /* + * For eaac+, a scratch matrix is created with the rigth element ( perChan[1] is not used) + * and the fxpCoef matrix. These 2 matrices are [2][38][64] == 4864 Int32 + * 2349 coming from the perChan[1] plus 4096 coming from fxpCoef + */ + tDec_Int_Chan perChan[Chans]; + + Int32 fxpCoef[2][LN]; /* LN = 2048 */ + + + +#ifdef AAC_PLUS + + SBRDECODER_DATA sbrDecoderData;/* allocates 2 SBR_CHANNEL, each has a SBR_FRAME_DATA */ + SBR_DEC sbrDec; + SBRBITSTREAM sbrBitStr; + +#endif + + + /* + * If ADTS support is needed, the following variables will + * be required. + */ + UInt32 syncword; + Int invoke; + + Int mask[MAXBANDS]; + Int hasmask; + + + /* SBR usage + * These two unions are used for the SBR tool and used + * as a single 2560 int32 continuous memory for circular + * buffering the synthesis QMF's bank history + */ + + /* This union specifies memory for arrays which are used + * by only one function. This is the simplest type of scratch + * memory to implement, since there are no worries about + * function interaction. + */ + union scratch_memory + { + Int32 fft[LONG_WINDOW]; /* 1024, as needed by the FFT */ + Int32 tns_inv_filter[TNS_MAX_ORDER]; + Int32 tns_decode_coef[2*TNS_MAX_ORDER]; + Int huffbook_used[248]; + Int16 tmp_spec[LN2]; /* Used in conjunction with quant_spec */ + + ADIF_Header adif_header; + + ProgConfig scratch_prog_config; + + + Int32 scratch_mem[16][64]; + } scratch; + + /* This union tries to take advantage of the fact that + * some variables are only used before LTP, and + * the long array, predictedSamples, is only used after LTP. + */ + + /* + * also used by the circular buffer scheme on aac+ (needs 4096 + 1152) + * from scratch_mem[2] + 5248 (uses most of shared_memory). + * For eaac+, shared memory is used by sbrQmfBufferReal which needs + * 1824 bytes + */ + union shared_memory + { + Int32 predictedSamples[LONG_BLOCK1]; /* 2048 Int32 */ + + Char data_stream_bytes[(1<<LEN_D_CNT)+1]; + + struct + { + Int16 quantSpec[LN2]; + SectInfo sect[MAXBANDS + 1]; + PulseInfo pulseInfo; + } a; + + } share; + + + } tDec_Int_File; + + /*---------------------------------------------------------------------------- + ; GLOBAL FUNCTION DEFINITIONS + ; Function Prototype declaration + ----------------------------------------------------------------------------*/ + +#ifdef __cplusplus +} +#endif + +#endif /* S_TDEC_INT_FILE_H */ |