#include "libavutil/common.h"
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Variables | |
const uint8_t | ff_ac3_ungroup_3_in_5_bits_tab [32][3] |
table used to ungroup 3 values stored in 5 bits. | |
const uint8_t | ff_eac3_hebap_tab [64] |
const uint8_t | ff_eac3_bits_vs_hebap [20] |
const int16_t | ff_eac3_gaq_remap_1 [12] |
Table E3.6, Gk=1 No gain (Gk=1) inverse quantization, remapping scale factors ff_eac3_gaq_remap[hebap+8]. | |
const int16_t | ff_eac3_gaq_remap_2_4_a [9][2] |
Table E3.6, Gk=2 & Gk=4, A Large mantissa inverse quantization, remapping scale factors ff_eac3_gaq_remap_2_4_a[hebap-8][Gk=2,4]. | |
const int8_t | ff_eac3_gaq_remap_2_4_b [9][2] |
Table E3.6, Gk=2 & Gk=4, B Large mantissa inverse quantization, negative mantissa remapping offsets Table values from the spec are right-shifted by 8 to simplify calculations. | |
const int16_t(*const [8] | ff_eac3_mantissa_vq )[6] |
const uint8_t | ff_eac3_frm_expstr [32][6] |
Table E2.14 Frame Exponent Strategy Combinations. | |
const uint8_t | ff_eac3_default_cpl_band_struct [18] |
Table E2.16 Default Coupling Banding Structure. | |
const uint8_t | ff_ac3_rematrix_band_tab [5] |
Table of bin locations for rematrixing bands reference: Section 7.5.2 Rematrixing : Frequency Band Definitions. |
const uint8_t ff_ac3_rematrix_band_tab[5] |
Table of bin locations for rematrixing bands reference: Section 7.5.2 Rematrixing : Frequency Band Definitions.
Definition at line 1134 of file ac3dec_data.c.
Referenced by do_rematrixing().
const uint8_t ff_ac3_ungroup_3_in_5_bits_tab[32][3] |
table used to ungroup 3 values stored in 5 bits.
used by bap=1 mantissas and GAQ. ff_ac3_ungroup_3_in_5_bits_tab[i] = { i/9, (i9)/3, (i9)3 }
Definition at line 35 of file ac3dec_data.c.
Referenced by ac3_tables_init(), and ff_eac3_decode_transform_coeffs_aht_ch().
const uint8_t ff_eac3_bits_vs_hebap[20] |
Definition at line 56 of file ac3dec_data.c.
Referenced by ff_eac3_decode_transform_coeffs_aht_ch().
const uint8_t ff_eac3_default_cpl_band_struct[18] |
Table E2.16 Default Coupling Banding Structure.
Definition at line 1127 of file ac3dec_data.c.
Referenced by decode_audio_block().
const uint8_t ff_eac3_frm_expstr[32][6] |
Table E2.14 Frame Exponent Strategy Combinations.
Definition at line 1089 of file ac3dec_data.c.
Referenced by ff_eac3_parse_header().
const int16_t ff_eac3_gaq_remap_1[12] |
Table E3.6, Gk=1 No gain (Gk=1) inverse quantization, remapping scale factors ff_eac3_gaq_remap[hebap+8].
Definition at line 66 of file ac3dec_data.c.
Referenced by ff_eac3_decode_transform_coeffs_aht_ch().
const int16_t ff_eac3_gaq_remap_2_4_a[9][2] |
Table E3.6, Gk=2 & Gk=4, A Large mantissa inverse quantization, remapping scale factors ff_eac3_gaq_remap_2_4_a[hebap-8][Gk=2,4].
Definition at line 75 of file ac3dec_data.c.
Referenced by ff_eac3_decode_transform_coeffs_aht_ch().
const int8_t ff_eac3_gaq_remap_2_4_b[9][2] |
Table E3.6, Gk=2 & Gk=4, B Large mantissa inverse quantization, negative mantissa remapping offsets Table values from the spec are right-shifted by 8 to simplify calculations.
ff_eac3_gaq_remap_3_4_b[hebap-8][Gk=2,4]
Definition at line 93 of file ac3dec_data.c.
Referenced by ff_eac3_decode_transform_coeffs_aht_ch().
const uint8_t ff_eac3_hebap_tab[64] |
const int16_t(* const[8] ff_eac3_mantissa_vq)[6] |
Definition at line 1075 of file ac3dec_data.c.
Referenced by ff_eac3_decode_transform_coeffs_aht_ch().