diff options
Diffstat (limited to 'Src/h264dec/ldecod/inc/biaridecod.h')
| -rw-r--r-- | Src/h264dec/ldecod/inc/biaridecod.h | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/Src/h264dec/ldecod/inc/biaridecod.h b/Src/h264dec/ldecod/inc/biaridecod.h new file mode 100644 index 00000000..9364632b --- /dev/null +++ b/Src/h264dec/ldecod/inc/biaridecod.h @@ -0,0 +1,157 @@ + +/*! + *************************************************************************** + * \file + * biaridecod.h + * + * \brief + * Headerfile for binary arithmetic decoder routines + * + * \author + * Detlev Marpe, + * Gabi Blättermann + * Copyright (C) 2000 HEINRICH HERTZ INSTITUTE All Rights Reserved. + * + * \date + * 21. Oct 2000 + ************************************************************************** + */ + +#ifndef _BIARIDECOD_H_ +#define _BIARIDECOD_H_ + + +/************************************************************************ + * D e f i n i t i o n s + *********************************************************************** + */ + +/* Range table for LPS */ +/* +static const byte rLPS_table_64x4[64][4]= +{ + { 128, 176, 208, 240}, + { 128, 167, 197, 227}, + { 128, 158, 187, 216}, + { 123, 150, 178, 205}, + { 116, 142, 169, 195}, + { 111, 135, 160, 185}, + { 105, 128, 152, 175}, + { 100, 122, 144, 166}, + { 95, 116, 137, 158}, + { 90, 110, 130, 150}, + { 85, 104, 123, 142}, + { 81, 99, 117, 135}, + { 77, 94, 111, 128}, + { 73, 89, 105, 122}, + { 69, 85, 100, 116}, + { 66, 80, 95, 110}, + { 62, 76, 90, 104}, + { 59, 72, 86, 99}, + { 56, 69, 81, 94}, + { 53, 65, 77, 89}, + { 51, 62, 73, 85}, + { 48, 59, 69, 80}, + { 46, 56, 66, 76}, + { 43, 53, 63, 72}, + { 41, 50, 59, 69}, + { 39, 48, 56, 65}, + { 37, 45, 54, 62}, + { 35, 43, 51, 59}, + { 33, 41, 48, 56}, + { 32, 39, 46, 53}, + { 30, 37, 43, 50}, + { 29, 35, 41, 48}, + { 27, 33, 39, 45}, + { 26, 31, 37, 43}, + { 24, 30, 35, 41}, + { 23, 28, 33, 39}, + { 22, 27, 32, 37}, + { 21, 26, 30, 35}, + { 20, 24, 29, 33}, + { 19, 23, 27, 31}, + { 18, 22, 26, 30}, + { 17, 21, 25, 28}, + { 16, 20, 23, 27}, + { 15, 19, 22, 25}, + { 14, 18, 21, 24}, + { 14, 17, 20, 23}, + { 13, 16, 19, 22}, + { 12, 15, 18, 21}, + { 12, 14, 17, 20}, + { 11, 14, 16, 19}, + { 11, 13, 15, 18}, + { 10, 12, 15, 17}, + { 10, 12, 14, 16}, + { 9, 11, 13, 15}, + { 9, 11, 12, 14}, + { 8, 10, 12, 14}, + { 8, 9, 11, 13}, + { 7, 9, 11, 12}, + { 7, 9, 10, 12}, + { 7, 8, 10, 11}, + { 6, 8, 9, 11}, + { 6, 7, 9, 10}, + { 6, 7, 8, 9}, + { 2, 2, 2, 2} +};*/ +static const byte rLPS_table_64x4[4][64]={ +{128, 128, 128, 123, 116, 111, 105, 100, 95, 90, 85, 81, 77, 73, 69, 66, + 62, 59, 56, 53, 51, 48, 46, 43, 41, 39, 37, 35, 33, 32, 30, 29, + 27, 26, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 14, 13, 12, + 12, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 6, 6, 6, 2, + }, +{176, 167, 158, 150, 142, 135, 128, 122, 116, 110, 104, 99, 94, 89, 85, 80, + 76, 72, 69, 65, 62, 59, 56, 53, 50, 48, 45, 43, 41, 39, 37, 35, + 33, 31, 30, 28, 27, 26, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, + 14, 14, 13, 12, 12, 11, 11, 10, 9, 9, 9, 8, 8, 7, 7, 2, + }, +{208, 197, 187, 178, 169, 160, 152, 144, 137, 130, 123, 117, 111, 105, 100, 95, + 90, 86, 81, 77, 73, 69, 66, 63, 59, 56, 54, 51, 48, 46, 43, 41, + 39, 37, 35, 33, 32, 30, 29, 27, 26, 25, 23, 22, 21, 20, 19, 18, + 17, 16, 15, 15, 14, 13, 12, 12, 11, 11, 10, 10, 9, 9, 8, 2, + }, +{240, 227, 216, 205, 195, 185, 175, 166, 158, 150, 142, 135, 128, 122, 116, 110, + 104, 99, 94, 89, 85, 80, 76, 72, 69, 65, 62, 59, 56, 53, 50, 48, + 45, 43, 41, 39, 37, 35, 33, 31, 30, 28, 27, 25, 24, 23, 22, 21, + 20, 19, 18, 17, 16, 15, 14, 14, 13, 12, 12, 11, 11, 10, 9, 2, +}}; + +// make uint16 to match biari_decode_symbol +static const byte AC_next_state_MPS_64[64] = +{ + 1,2,3,4,5,6,7,8,9,10, + 11,12,13,14,15,16,17,18,19,20, + 21,22,23,24,25,26,27,28,29,30, + 31,32,33,34,35,36,37,38,39,40, + 41,42,43,44,45,46,47,48,49,50, + 51,52,53,54,55,56,57,58,59,60, + 61,62,62,63 +}; + +// make uint16 to match biari_decode_symbol +static const byte AC_next_state_LPS_64[64] = +{ + 0, 0, 1, 2, 2, 4, 4, 5, 6, 7, + 8, 9, 9,11,11,12,13,13,15,15, + 16,16,18,18,19,19,21,21,22,22, + 23,24,24,25,26,26,27,27,28,29, + 29,30,30,30,31,32,32,33,33,33, + 34,34,35,35,35,36,36,36,37,37, + 37,38,38,63 +}; + +static const byte renorm_table_32[32]={6,5,4,4,3,3,3,3,2,2,2,2,2,2,2,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}; +static const byte renorm_table_256[256]={6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, }; + +extern void arideco_start_decoding(DecodingEnvironmentPtr eep, unsigned char *code_buffer, int firstbyte, int *code_len); +//extern int arideco_bits_read(const DecodingEnvironmentPtr dep); +extern void arideco_done_decoding(DecodingEnvironmentPtr dep); +extern void biari_init_context (int qp, BiContextTypePtr ctx, const char* ini); +extern unsigned int biari_decode_symbol(DecodingEnvironmentPtr dep, BiContextTypePtr bi_ct ); +extern unsigned int biari_decode_symbol_eq_prob(DecodingEnvironmentPtr dep); +extern unsigned int biari_decode_final(DecodingEnvironmentPtr dep); +extern unsigned int getbyte(DecodingEnvironmentPtr dep); +extern unsigned int getword(DecodingEnvironmentPtr dep); +#endif // BIARIDECOD_H_ + |