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Enumerations | |
| enum | CustomChannelMapLocation { AC3_CHMAP_L = 1<<(15-0), AC3_CHMAP_C = 1<<(15-1), AC3_CHMAP_R = 1<<(15-2), AC3_CHMAP_L_SUR = 1<<(15-3), AC3_CHMAP_R_SUR = 1<<(15-4), AC3_CHMAP_C_SUR = 1<<(15-7), AC3_CHMAP_LFE = 1<<(15-15) } |
| Custom channel map locations bitmask Other channels described in documentation: Lc/Rc pair, Lrs/Rrs pair, Ts, Lsd/Rsd pair, Lw/Rw pair, Lvh/Rvh pair, Cvh, Reserved, LFE2. More... | |
Variables | |
| const uint16_t | ff_ac3_frame_size_tab [38][3] |
| Possible frame sizes. More... | |
| const uint8_t | ff_ac3_channels_tab [8] |
| Map audio coding mode (acmod) to number of full-bandwidth channels. More... | |
| av_export const uint16_t | avpriv_ac3_channel_layout_tab [8] |
| Map audio coding mode (acmod) to channel layout mask. More... | |
| const uint8_t | ff_ac3_enc_channel_map [8][2][6] |
| Table to remap channels from SMPTE order to AC-3 order. More... | |
| const uint8_t | ff_ac3_dec_channel_map [8][2][6] |
| Table to remap channels from AC-3 order to SMPTE order. More... | |
| const uint16_t | ff_ac3_sample_rate_tab [3] |
| const uint16_t | ff_ac3_bitrate_tab [19] |
| 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. More... | |
| const uint8_t | ff_eac3_default_cpl_band_struct [18] |
| Table E2.16 Default Coupling Banding Structure. More... | |
| const int16_t | ff_ac3_window [AC3_WINDOW_SIZE/2] |
| const uint8_t | ff_ac3_log_add_tab [260] |
| const uint16_t | ff_ac3_hearing_threshold_tab [AC3_CRITICAL_BANDS][3] |
| const uint8_t | ff_ac3_bap_tab [64] |
| const uint8_t | ff_ac3_slow_decay_tab [4] |
| const uint8_t | ff_ac3_fast_decay_tab [4] |
| const uint16_t | ff_ac3_slow_gain_tab [4] |
| const uint16_t | ff_ac3_db_per_bit_tab [4] |
| const int16_t | ff_ac3_floor_tab [8] |
| const uint16_t | ff_ac3_fast_gain_tab [8] |
| const uint16_t | ff_eac3_default_chmap [8] |
| Default channel map for a dependent substream defined by acmod. More... | |
| const uint8_t | ff_ac3_band_start_tab [AC3_CRITICAL_BANDS+1] |
| Starting frequency coefficient bin for each critical band. More... | |
| const uint8_t | ff_ac3_bin_to_band_tab [253] |
| Map each frequency coefficient bin to the critical band that contains it. More... | |
| const uint16_t ff_ac3_frame_size_tab[38][3] |
Possible frame sizes.
from ATSC A/52 Table 5.18 Frame Size Code Table.
Definition at line 37 of file ac3tab.c.
Referenced by avpriv_ac3_parse_header(), and validate_options().
| const uint8_t ff_ac3_channels_tab[8] |
Map audio coding mode (acmod) to number of full-bandwidth channels.
from ATSC A/52 Table 5.8 Audio Coding Mode
Definition at line 82 of file ac3tab.c.
Referenced by avpriv_ac3_parse_header().
| av_export const uint16_t avpriv_ac3_channel_layout_tab[8] |
Map audio coding mode (acmod) to channel layout mask.
Definition at line 89 of file ac3tab.c.
Referenced by ac3_decode_frame(), avpriv_ac3_parse_header(), mov_read_dac3(), and mov_read_dec3().
| const uint8_t ff_ac3_enc_channel_map[8][2][6] |
Table to remap channels from SMPTE order to AC-3 order.
[channel_mode][lfe][ch]
Definition at line 112 of file ac3tab.c.
Referenced by set_channel_info().
| const uint8_t ff_ac3_dec_channel_map[8][2][6] |
Table to remap channels from AC-3 order to SMPTE order.
[channel_mode][lfe][ch]
Definition at line 122 of file ac3tab.c.
Referenced by ac3_decode_frame().
| const uint16_t ff_ac3_sample_rate_tab[3] |
Definition at line 129 of file ac3tab.c.
Referenced by avpriv_ac3_parse_header(), and validate_options().
| const uint16_t ff_ac3_bitrate_tab[19] |
Definition at line 132 of file ac3tab.c.
Referenced by avpriv_ac3_parse_header(), and validate_options().
| 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 141 of file ac3tab.c.
Referenced by compute_rematrixing_strategy(), do_rematrixing(), and ff_ac3_apply_rematrixing().
| const uint8_t ff_eac3_default_cpl_band_struct[18] |
Table E2.16 Default Coupling Banding Structure.
Definition at line 146 of file ac3tab.c.
Referenced by coupling_strategy(), output_audio_block(), and set_bandwidth().
| const int16_t ff_ac3_window[AC3_WINDOW_SIZE/2] |
Definition at line 153 of file ac3tab.c.
Referenced by mdct_init().
| const uint8_t ff_ac3_log_add_tab[260] |
Definition at line 188 of file ac3tab.c.
Referenced by ff_ac3_bit_alloc_calc_psd().
| const uint16_t ff_ac3_hearing_threshold_tab[AC3_CRITICAL_BANDS][3] |
Definition at line 217 of file ac3tab.c.
Referenced by ff_ac3_bit_alloc_calc_mask().
| const uint8_t ff_ac3_bap_tab[64] |
Definition at line 270 of file ac3tab.c.
Referenced by bit_alloc(), and decode_audio_block().
| const uint8_t ff_ac3_slow_decay_tab[4] |
Definition at line 280 of file ac3tab.c.
Referenced by bit_alloc_init(), decode_audio_block(), and ff_eac3_parse_header().
| const uint8_t ff_ac3_fast_decay_tab[4] |
Definition at line 284 of file ac3tab.c.
Referenced by bit_alloc_init(), decode_audio_block(), and ff_eac3_parse_header().
| const uint16_t ff_ac3_slow_gain_tab[4] |
Definition at line 288 of file ac3tab.c.
Referenced by bit_alloc_init(), decode_audio_block(), and ff_eac3_parse_header().
| const uint16_t ff_ac3_db_per_bit_tab[4] |
Definition at line 292 of file ac3tab.c.
Referenced by bit_alloc_init(), decode_audio_block(), and ff_eac3_parse_header().
| const int16_t ff_ac3_floor_tab[8] |
Definition at line 296 of file ac3tab.c.
Referenced by bit_alloc_init(), decode_audio_block(), and ff_eac3_parse_header().
| const uint16_t ff_ac3_fast_gain_tab[8] |
Definition at line 300 of file ac3tab.c.
Referenced by bit_alloc_masking(), and decode_audio_block().
| const uint16_t ff_eac3_default_chmap[8] |
| const uint8_t ff_ac3_band_start_tab[AC3_CRITICAL_BANDS+1] |
Starting frequency coefficient bin for each critical band.
Definition at line 35 of file ac3.c.
Referenced by ac3_bit_alloc_calc_bap_c(), and ff_ac3_bit_alloc_calc_psd().
| const uint8_t ff_ac3_bin_to_band_tab[253] |
Map each frequency coefficient bin to the critical band that contains it.
Definition at line 46 of file ac3.c.
Referenced by ac3_bit_alloc_calc_bap_c(), ff_ac3_bit_alloc_calc_mask(), and ff_ac3_bit_alloc_calc_psd().
1.8.6