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Diffstat (limited to 'media/libstagefright/codecs/m4v_h263/dec/src/mp4lib_int.h')
| -rw-r--r-- | media/libstagefright/codecs/m4v_h263/dec/src/mp4lib_int.h | 296 |
1 files changed, 296 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/m4v_h263/dec/src/mp4lib_int.h b/media/libstagefright/codecs/m4v_h263/dec/src/mp4lib_int.h new file mode 100644 index 0000000..d6754a7 --- /dev/null +++ b/media/libstagefright/codecs/m4v_h263/dec/src/mp4lib_int.h @@ -0,0 +1,296 @@ +/* ------------------------------------------------------------------ + * 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. + * ------------------------------------------------------------------- + */ +#ifndef _MP4LIB_INT_H_ +#define _MP4LIB_INT_H_ + +#include "mp4def.h" +#include "mp4dec_api.h" // extra structure + +#undef ENABLE_LOG +#define BITRATE_AVERAGE_WINDOW 4 +#define FRAMERATE_SCALE ((BITRATE_AVERAGE_WINDOW-1)*10000L) +#define FAST_IDCT /* , for fast Variable complexity IDCT */ +//#define PV_DEC_EXTERNAL_IDCT /* for separate IDCT (i.e. no direct access to output frame) */ +#define PV_ANNEX_IJKT_SUPPORT +#define mid_gray 1024 + +typedef struct tagBitstream +{ + /* function that reteive data from outside the library. 04/11/2000 */ + /* In frame-based decoding mode, this shall be NULL. 08/29/2000 */ + uint32 curr_word; + uint32 next_word; + uint8 *bitstreamBuffer; /* pointer to buffer memory */ + int32 read_point; /* starting point in the buffer to be read to cache */ + int incnt; /* bit left in cached */ + int incnt_next; + uint32 bitcnt; /* total bit read so-far (from inbfr)*/ + int32 data_end_pos; /*should be added , 06/07/2000 */ + int searched_frame_boundary; +} BitstreamDecVideo, *LPBitstreamDecVideo; + +/* complexity estimation parameters */ +typedef struct tagComplexity_Est +{ + uint8 text_1; /* texture_complexity_estimation_set_1 */ + uint8 text_2; /* texture_complexity_estimation_set_2 */ + uint8 mc; /* motion_compensation_complexity */ +} Complexity_Est; + + +typedef struct tagVop +{ + PIXEL *yChan; /* The Y component */ + PIXEL *uChan; /* The U component */ + PIXEL *vChan; /* The V component */ + + uint32 timeStamp; /* Vop TimeStamp in msec */ + + /* Actual syntax elements for VOP (standard) */ + int predictionType; /* VOP prediction type */ + uint timeInc; /* VOP time increment (relative to last mtb) */ + int vopCoded; + int roundingType; + int intraDCVlcThr; + int16 quantizer; /* VOP quantizer */ + int fcodeForward; /* VOP dynamic range of motion vectors */ + int fcodeBackward; /* VOP dynamic range of motion vectors */ + int refSelectCode; /* enhancement layer reference select code */ + + /* H.263 parameters */ + int gobNumber; + int gobFrameID; + int temporalRef; /* temporal reference, roll over at 256 */ + int ETR; +} Vop; + +typedef struct tagVol +{ + int volID; /* VOL identifier (for tracking) */ + uint timeIncrementResolution;/* VOL time increment */ + int nbitsTimeIncRes; /* number of bits for time increment */ + uint timeInc_offset; /* timeInc offset for multiple VOP in a packet */ + uint32 moduloTimeBase; /* internal decoder clock */ + int fixedVopRate; + BitstreamDecVideo *bitstream; /* library bitstream buffer (input buffer) */ + + int complexity_estDisable; /* VOL disable complexity estimation */ + int complexity_estMethod; /* VOL complexity estimation method */ + Complexity_Est complexity; /* complexity estimation flags */ + + /* Error Resilience Flags */ + int errorResDisable; /* VOL disable error resilence mode */ + /* (Use Resynch markers) */ + int useReverseVLC; /* VOL reversible VLCs */ + int dataPartitioning; /* VOL data partitioning */ + + /* Bit depth */ + uint bitsPerPixel; +// int mid_gray; /* 2^(bits_per_pixel+2) */ + + /* Quantization related parameters */ + int quantPrecision; /* Quantizer precision */ + uint quantType; /* MPEG-4 or H.263 Quantization Type */ + /* Added loaded quant mat, 05/22/2000 */ + int loadIntraQuantMat; /* Load intra quantization matrix */ + int loadNonIntraQuantMat; /* Load nonintra quantization matrix */ + int iqmat[64]; /* Intra quant.matrix */ + int niqmat[64]; /* Non-intra quant.matrix */ + + /* Parameters used for scalability */ + int scalability; /* VOL scalability (flag) */ + int scalType; /* temporal = 0, spatial = 1, both = 2 */ + + int refVolID; /* VOL id of reference VOL */ + int refSampDir; /* VOL resol. of ref. VOL */ + int horSamp_n; /* VOL hor. resampling of ref. VOL given by */ + int horSamp_m; /* sampfac = hor_samp_n/hor_samp_m */ + int verSamp_n; /* VOL ver. resampling of ref. VOL given by */ + int verSamp_m; /* sampfac = ver_samp_n/ver_samp_m */ + int enhancementType; /* VOL type of enhancement layer */ + /* profile and level */ + int32 profile_level_id; /* 8-bit profile and level */ // 6/17/04 + +} Vol; + + +typedef int16 typeMBStore[6][NCOEFF_BLOCK]; + +typedef struct tagMacroBlock +{ + typeMBStore block; /* blocks */ /* ACDC */ + uint8 pred_block[384]; /* prediction block, Aug 3,2005 */ + uint8 bitmapcol[6][8]; + uint8 bitmaprow[6]; + int no_coeff[6]; + int DCScalarLum; /* Luminance DC Scalar */ + int DCScalarChr; /* Chrominance DC Scalar */ +#ifdef PV_ANNEX_IJKT_SUPPORT + int direction; +#endif +} MacroBlock; + +typedef struct tagHeaderInfoDecVideo +{ + uint8 *Mode; /* Modes INTRA/INTER/etc. */ + uint8 *CBP; /* MCBPC/CBPY stuff */ +} HeaderInfoDecVideo; + + +/************************************************************/ +/* VLC structures */ +/************************************************************/ +typedef struct tagTcoef +{ + uint last; + uint run; + int level; + uint sign; +} Tcoef, *LPTcoef; + + + +typedef struct tagVLCtab +{ + int32 val; + int32 len; +} VLCtab, *LPVLCtab; + +typedef struct tagVLCshorttab +{ + int16 val; + int16 len; +} VLCshorttab, *LPVLCshorttab ; /* for space saving, Antoine Nguyen*/ + +typedef struct tagVLCtab2 +{ + uint8 run; + uint8 level; + uint8 last; + uint8 len; +} VLCtab2, *LPVLCtab2; /* 10/24/2000 */ + +/* This type is designed for fast access of DC/AC */ +/* prediction data. If the compiler is smart */ +/* enough, it will use shifting for indexing. */ +/* 04/14/2000. */ + +typedef int16 typeDCStore[6]; /* ACDC */ +typedef int16 typeDCACStore[4][8]; + + + +/* Global structure that can be passed around */ +typedef struct tagVideoDecData +{ + BitstreamDecVideo *bitstream; /* library bitstream buffer (input buffer) */ + /* Data For Layers (Scalability) */ + Vol **vol; /* Data stored for each VOL */ + + /* Data used for reconstructing frames */ + Vop *currVop; /* Current VOP (frame) */ + Vop *prevVop; /* Previous VOP (frame) */ + /* Data used to facilitate multiple layer decoding. 05/04/2000 */ + Vop *prevEnhcVop; /* New change to rid of memcpy(). 04/24/2001 */ + Vop **vopHeader; /* one for each layer. 08/29/2000 */ + + /* I/O structures */ + MacroBlock *mblock; /* Macroblock data structure */ + uint8 *acPredFlag; /* */ + + /* scratch memory used in data partitioned mode */ + typeDCStore *predDC; /* The DC coeffs for each MB */ + typeDCACStore *predDCAC_row; + typeDCACStore *predDCAC_col; + + int usePrevQP; /* running QP decision switch */ + uint8 *sliceNo; /* Slice indicator for each MB */ + /* changed this to a 1D */ + /* array for optimization */ + MOT *motX; /* Motion vector in X direction */ + MOT *motY; /* Motion vector in Y direction */ + HeaderInfoDecVideo headerInfo; /* MB Header information */ + int16 *QPMB; /* Quantizer value for each MB */ + + uint8 *pstprcTypCur; /* Postprocessing type for current frame */ + uint8 *pstprcTypPrv; /* Postprocessing type for previous frame */ + /* scratch memory used in all modes */ + int mbnum; /* Macroblock number */ + uint mbnum_row; + int mbnum_col; + /* I added these variables since they are used a lot. 04/13/2000 */ + int nMBPerRow, nMBPerCol; /* number of MBs in each row & column */ + int nTotalMB; + /* for short video header */ + int nMBinGOB; /* number of MBs in GOB, 05/22/00 */ + int nGOBinVop; /* number of GOB in Vop 05/22/00 */ + /* VOL Dimensions */ + int width; /* Width */ + int height; /* Height */ + int displayWidth; /* Handle image whose size is not a multiple of 16. */ + int displayHeight; /* This is the actual size. 08/09/2000 */ + int32 size; + /* Miscellaneous data points to be passed */ + int frame_idx; /* Current frame ID */ + int frameRate; /* Output frame Rate (over 10 seconds) */ + int32 duration; + uint32 currTimestamp; + int currLayer; /* Current frame layer */ + int shortVideoHeader; /* shortVideoHeader mode */ + int intra_acdcPredDisable; /* VOL disable INTRA DC prediction */ + int numberOfLayers; /* Number of Layers */ + /* Frame to be used for concealment 07/07/2001 */ + uint8 *concealFrame; + int vop_coding_type; + /* framerate and bitrate statistics counters. 08/23/2000 */ + int32 nBitsPerVop[BITRATE_AVERAGE_WINDOW]; + uint32 prevTimestamp[BITRATE_AVERAGE_WINDOW]; + int nBitsForMBID; /* how many bits required for MB number? */ + /* total data memory used by the docder library. 08/23/2000 */ + int32 memoryUsage; + + /* flag to turn on/off error concealment or soft decoding */ + int errorConcealment; + + /* Application controls */ + VideoDecControls *videoDecControls; + int postFilterType; /* Postfilter mode 04/25/00 */ + + + + PV_STATUS(*vlcDecCoeffIntra)(BitstreamDecVideo *stream, Tcoef *pTcoef/*, int intra_luma*/); + PV_STATUS(*vlcDecCoeffInter)(BitstreamDecVideo *stream, Tcoef *pTcoef); + int initialized; + + /* Annex IJKT */ + int deblocking; + int slice_structure; + int modified_quant; + int advanced_INTRA; + int16 QP_CHR; /* ANNEX_T */ +} VideoDecData; + +/* for fast VLC+Dequant 10/12/2000*/ +typedef int (*VlcDequantBlockFuncP)(void *video, int comp, int switched, + uint8 *bitmaprow, uint8 *bitmapcol); + +////////////////////////////////////////////////////////////// +// Decoder structures // +////////////////////////////////////////////////////////////// +#endif /* _MP4LIB_INT_H_ */ + |