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Individual Channel Stream. More...
#include <aac.h>
Data Fields | |
| uint8_t | max_sfb |
| number of scalefactor bands per group More... | |
| enum WindowSequence | window_sequence [2] |
| uint8_t | use_kb_window [2] |
| If set, use Kaiser-Bessel window, otherwise use a sine window. More... | |
| int | num_window_groups |
| uint8_t | group_len [8] |
| LongTermPrediction | ltp |
| const uint16_t * | swb_offset |
| table of offsets to the lowest spectral coefficient of a scalefactor band, sfb, for a particular window More... | |
| const uint8_t * | swb_sizes |
| table of scalefactor band sizes for a particular window More... | |
| int | num_swb |
| number of scalefactor window bands More... | |
| int | num_windows |
| int | tns_max_bands |
| int | predictor_present |
| int | predictor_initialized |
| int | predictor_reset_group |
| int | predictor_reset_count [31] |
| used by encoder to count prediction resets More... | |
| uint8_t | prediction_used [41] |
| uint8_t | window_clipping [8] |
| set if a certain window is near clipping More... | |
| float | clip_avoidance_factor |
| set if any window is near clipping to the necessary atennuation factor to avoid it More... | |
| uint8_t IndividualChannelStream::max_sfb |
number of scalefactor bands per group
Definition at line 175 of file aac.h.
Referenced by aac_encode_frame(), adjust_frame_information(), apply_dependent_coupling(), apply_dependent_coupling_fixed(), apply_intensity_stereo(), apply_ltp(), apply_mid_side_stereo(), apply_tns(), avoid_clipping(), codebook_trellis_rate(), decode_band_types(), decode_cce(), decode_cpe(), decode_ics_info(), decode_mid_side_stereo(), decode_prediction(), decode_scalefactors(), decode_spectrum_and_dequant(), encode_ms_info(), encode_scale_factors(), encode_spectral_coeffs(), encode_window_bands_info(), ff_aac_adjust_common_ltp(), ff_aac_adjust_common_pred(), ff_aac_apply_main_pred(), ff_aac_apply_tns(), ff_aac_encode_ltp_info(), ff_aac_encode_main_pred(), ff_aac_search_for_ltp(), ff_aac_search_for_pred(), ff_aac_search_for_tns(), and put_ics_info().
| enum WindowSequence IndividualChannelStream::window_sequence[2] |
Definition at line 176 of file aac.h.
Referenced by aac_encode_frame(), apply_ltp(), apply_prediction(), apply_window_and_mdct(), decode_band_types(), decode_ics(), decode_ics_info(), decode_tns(), ff_aac_adjust_common_ltp(), ff_aac_adjust_common_pred(), ff_aac_apply_main_pred(), ff_aac_encode_tns_info(), ff_aac_search_for_ltp(), ff_aac_search_for_pred(), ff_aac_search_for_tns(), imdct_and_windowing(), put_ics_info(), update_ltp(), and windowing_and_mdct_ltp().
| uint8_t IndividualChannelStream::use_kb_window[2] |
If set, use Kaiser-Bessel window, otherwise use a sine window.
Definition at line 177 of file aac.h.
Referenced by aac_encode_frame(), decode_cpe(), decode_ics_info(), imdct_and_windowing(), imdct_and_windowing_ld(), put_ics_info(), update_ltp(), and windowing_and_mdct_ltp().
| int IndividualChannelStream::num_window_groups |
Definition at line 178 of file aac.h.
Referenced by apply_dependent_coupling(), apply_dependent_coupling_fixed(), apply_intensity_stereo(), apply_mid_side_stereo(), decode_band_types(), decode_cce(), decode_ics_info(), decode_mid_side_stereo(), decode_scalefactors(), and decode_spectrum_and_dequant().
| uint8_t IndividualChannelStream::group_len[8] |
Definition at line 179 of file aac.h.
Referenced by aac_encode_frame(), adjust_frame_information(), apply_dependent_coupling(), apply_dependent_coupling_fixed(), apply_intensity_stereo(), apply_mid_side_stereo(), decode_ics_info(), decode_spectrum_and_dequant(), encode_band_info(), encode_ms_info(), encode_scale_factors(), encode_spectral_coeffs(), ff_aac_adjust_common_pred(), ff_aac_is_encoding_err(), ff_aac_search_for_is(), ff_aac_search_for_ltp(), ff_init_nextband_map(), mark_pns(), put_ics_info(), search_for_ms(), search_for_pns(), search_for_quantizers_anmr(), search_for_quantizers_fast(), search_for_quantizers_twoloop(), and set_special_band_scalefactors().
| LongTermPrediction IndividualChannelStream::ltp |
Definition at line 180 of file aac.h.
Referenced by aac_encode_frame(), apply_ltp(), decode_cpe(), decode_ics_info(), ff_aac_adjust_common_ltp(), ff_aac_encode_ltp_info(), ff_aac_ltp_insert_new_frame(), ff_aac_search_for_ltp(), ff_aac_update_ltp(), and spectral_to_sample().
| const uint16_t* IndividualChannelStream::swb_offset |
table of offsets to the lowest spectral coefficient of a scalefactor band, sfb, for a particular window
Definition at line 181 of file aac.h.
Referenced by aac_encode_frame(), apply_dependent_coupling(), apply_dependent_coupling_fixed(), apply_intensity_stereo(), apply_ltp(), apply_mid_side_stereo(), apply_prediction(), apply_tns(), decode_ics(), decode_ics_info(), decode_spectrum_and_dequant(), ff_aac_apply_main_pred(), ff_aac_apply_tns(), ff_aac_search_for_pred(), ff_aac_search_for_tns(), mark_pns(), search_for_pns(), and search_for_quantizers_twoloop().
| const uint8_t* IndividualChannelStream::swb_sizes |
table of scalefactor band sizes for a particular window
Definition at line 182 of file aac.h.
Referenced by aac_encode_frame(), apply_intensity_stereo(), apply_mid_side_stereo(), avoid_clipping(), codebook_trellis_rate(), encode_spectral_coeffs(), encode_window_bands_info(), ff_aac_adjust_common_pred(), ff_aac_is_encoding_err(), ff_aac_search_for_is(), ff_aac_search_for_ltp(), search_for_ms(), search_for_pns(), search_for_quantizers_anmr(), and search_for_quantizers_twoloop().
| int IndividualChannelStream::num_swb |
number of scalefactor window bands
Definition at line 183 of file aac.h.
Referenced by aac_encode_frame(), adjust_frame_information(), apply_intensity_stereo(), apply_mid_side_stereo(), apply_tns(), decode_ics(), decode_ics_info(), ff_aac_adjust_common_pred(), ff_aac_apply_tns(), ff_aac_search_for_is(), ff_aac_search_for_ltp(), ff_aac_search_for_tns(), ff_init_nextband_map(), mark_pns(), search_for_ms(), search_for_pns(), search_for_quantizers_anmr(), search_for_quantizers_fast(), search_for_quantizers_twoloop(), and set_special_band_scalefactors().
| int IndividualChannelStream::num_windows |
Definition at line 184 of file aac.h.
Referenced by aac_encode_frame(), adjust_frame_information(), apply_intensity_stereo(), apply_mid_side_stereo(), apply_tns(), avoid_clipping(), codebook_trellis_rate(), decode_ics_info(), decode_spectrum_and_dequant(), decode_tns(), encode_band_info(), encode_ms_info(), encode_scale_factors(), encode_spectral_coeffs(), encode_window_bands_info(), ff_aac_adjust_common_pred(), ff_aac_apply_tns(), ff_aac_encode_tns_info(), ff_aac_search_for_is(), ff_aac_search_for_ltp(), ff_aac_search_for_tns(), ff_init_nextband_map(), mark_pns(), search_for_ms(), search_for_pns(), search_for_quantizers_anmr(), search_for_quantizers_fast(), search_for_quantizers_twoloop(), and set_special_band_scalefactors().
| int IndividualChannelStream::tns_max_bands |
Definition at line 185 of file aac.h.
Referenced by aac_encode_frame(), apply_tns(), decode_ics_info(), ff_aac_apply_tns(), and ff_aac_search_for_tns().
| int IndividualChannelStream::predictor_present |
Definition at line 186 of file aac.h.
Referenced by aac_encode_frame(), apply_prediction(), decode_cpe(), decode_ics_info(), ff_aac_adjust_common_ltp(), ff_aac_adjust_common_pred(), ff_aac_apply_main_pred(), ff_aac_encode_ltp_info(), ff_aac_encode_main_pred(), ff_aac_search_for_ltp(), ff_aac_search_for_pred(), put_ics_info(), and spectral_to_sample().
| int IndividualChannelStream::predictor_initialized |
Definition at line 187 of file aac.h.
Referenced by apply_prediction(), and ff_aac_search_for_pred().
| int IndividualChannelStream::predictor_reset_group |
Definition at line 188 of file aac.h.
Referenced by apply_prediction(), decode_ics_info(), decode_prediction(), ff_aac_apply_main_pred(), ff_aac_encode_main_pred(), and update_pred_resets().
| int IndividualChannelStream::predictor_reset_count[31] |
used by encoder to count prediction resets
Definition at line 189 of file aac.h.
Referenced by ff_aac_search_for_pred(), update_counters(), and update_pred_resets().
| uint8_t IndividualChannelStream::prediction_used[41] |
Definition at line 190 of file aac.h.
Referenced by aac_encode_frame(), apply_prediction(), decode_prediction(), ff_aac_adjust_common_pred(), ff_aac_apply_main_pred(), ff_aac_encode_main_pred(), and ff_aac_search_for_pred().
| uint8_t IndividualChannelStream::window_clipping[8] |
set if a certain window is near clipping
Definition at line 191 of file aac.h.
Referenced by aac_encode_frame(), and encode_spectral_coeffs().
| float IndividualChannelStream::clip_avoidance_factor |
set if any window is near clipping to the necessary atennuation factor to avoid it
Definition at line 192 of file aac.h.
Referenced by aac_encode_frame(), and avoid_clipping().
1.8.6