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Single Channel Element - used for both SCE and LFE elements. More...
#include <aac.h>
Data Fields | |
IndividualChannelStream | ics |
TemporalNoiseShaping | tns |
Pulse | pulse |
enum BandType | band_type [128] |
band types More... | |
enum BandType | band_alt [128] |
alternative band type (used by encoder) More... | |
int | band_type_run_end [120] |
band type run end points More... | |
INTFLOAT | sf [120] |
scalefactors More... | |
int | sf_idx [128] |
scalefactor indices (used by encoder) More... | |
uint8_t | zeroes [128] |
band is not coded (used by encoder) More... | |
uint8_t | can_pns [128] |
band is allowed to PNS (informative) More... | |
float | is_ener [128] |
Intensity stereo pos (used by encoder) More... | |
float | pns_ener [128] |
Noise energy values (used by encoder) More... | |
INTFLOAT | pcoeffs [1024] |
coefficients for IMDCT, pristine More... | |
INTFLOAT | coeffs [1024] |
coefficients for IMDCT, maybe processed More... | |
INTFLOAT | saved [1536] |
overlap More... | |
INTFLOAT | ret_buf [2048] |
PCM output buffer. More... | |
INTFLOAT | ltp_state [3072] |
time signal for LTP More... | |
AAC_FLOAT | lcoeffs [1024] |
MDCT of LTP coefficients (used by encoder) More... | |
AAC_FLOAT | prcoeffs [1024] |
Main prediction coefs (used by encoder) More... | |
PredictorState | predictor_state [MAX_PREDICTORS] |
INTFLOAT * | ret |
PCM output. More... | |
IndividualChannelStream SingleChannelElement::ics |
Definition at line 249 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_prediction(), apply_window_and_mdct(), avoid_clipping(), codebook_trellis_rate(), decode_cce(), decode_cpe(), decode_ics(), decode_mid_side_stereo(), encode_band_info(), encode_individual_channel(), 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_encode_tns_info(), ff_aac_is_encoding_err(), ff_aac_ltp_insert_new_frame(), ff_aac_search_for_is(), ff_aac_search_for_ltp(), ff_aac_search_for_pred(), ff_aac_search_for_tns(), ff_aac_update_ltp(), ff_init_nextband_map(), imdct_and_windowing(), imdct_and_windowing_ld(), mark_pns(), search_for_ms(), search_for_pns(), search_for_quantizers_anmr(), search_for_quantizers_fast(), search_for_quantizers_twoloop(), set_special_band_scalefactors(), spectral_to_sample(), update_ltp(), and update_pred_resets().
TemporalNoiseShaping SingleChannelElement::tns |
Definition at line 250 of file aac.h.
Referenced by aac_encode_frame(), apply_ltp(), decode_ics(), encode_individual_channel(), ff_aac_apply_tns(), ff_aac_encode_tns_info(), ff_aac_search_for_tns(), and spectral_to_sample().
Pulse SingleChannelElement::pulse |
Definition at line 251 of file aac.h.
Referenced by adjust_frame_information(), and encode_individual_channel().
enum BandType SingleChannelElement::band_type[128] |
band types
Definition at line 252 of file aac.h.
Referenced by aac_encode_frame(), apply_dependent_coupling(), apply_dependent_coupling_fixed(), apply_intensity_stereo(), apply_mid_side_stereo(), codebook_trellis_rate(), decode_cce(), decode_ics(), encode_scale_factors(), encode_spectral_coeffs(), encode_window_bands_info(), ff_aac_is_encoding_err(), ff_aac_search_for_is(), ff_aac_search_for_ltp(), ff_aac_search_for_pred(), ff_init_nextband_map(), mark_pns(), search_for_ms(), search_for_pns(), search_for_quantizers_fast(), search_for_quantizers_twoloop(), and set_special_band_scalefactors().
enum BandType SingleChannelElement::band_alt[128] |
alternative band type (used by encoder)
Definition at line 253 of file aac.h.
Referenced by ff_aac_search_for_pred(), mark_pns(), and search_for_pns().
int SingleChannelElement::band_type_run_end[120] |
band type run end points
Definition at line 254 of file aac.h.
Referenced by apply_intensity_stereo(), and decode_ics().
INTFLOAT SingleChannelElement::sf[120] |
scalefactors
Definition at line 255 of file aac.h.
Referenced by apply_intensity_stereo(), and decode_ics().
int SingleChannelElement::sf_idx[128] |
scalefactor indices (used by encoder)
Definition at line 256 of file aac.h.
Referenced by codebook_trellis_rate(), encode_individual_channel(), encode_scale_factors(), encode_spectral_coeffs(), encode_window_bands_info(), ff_aac_is_encoding_err(), ff_aac_search_for_is(), ff_aac_search_for_ltp(), ff_aac_search_for_pred(), ff_sfdelta_can_remove_band(), ff_sfdelta_can_replace(), search_for_ms(), search_for_pns(), search_for_quantizers_anmr(), search_for_quantizers_fast(), search_for_quantizers_twoloop(), and set_special_band_scalefactors().
uint8_t SingleChannelElement::zeroes[128] |
band is not coded (used by encoder)
Definition at line 257 of file aac.h.
Referenced by adjust_frame_information(), codebook_trellis_rate(), encode_scale_factors(), encode_spectral_coeffs(), encode_window_bands_info(), ff_aac_search_for_is(), ff_aac_search_for_pred(), ff_init_nextband_map(), ff_pns_bits(), search_for_ms(), search_for_pns(), search_for_quantizers_anmr(), search_for_quantizers_fast(), search_for_quantizers_twoloop(), and set_special_band_scalefactors().
uint8_t SingleChannelElement::can_pns[128] |
band is allowed to PNS (informative)
Definition at line 258 of file aac.h.
Referenced by ff_pns_bits(), mark_pns(), and search_for_quantizers_twoloop().
float SingleChannelElement::is_ener[128] |
Intensity stereo pos (used by encoder)
Definition at line 259 of file aac.h.
Referenced by apply_intensity_stereo(), ff_aac_search_for_is(), and set_special_band_scalefactors().
float SingleChannelElement::pns_ener[128] |
Noise energy values (used by encoder)
Definition at line 260 of file aac.h.
Referenced by mark_pns(), search_for_pns(), and set_special_band_scalefactors().
INTFLOAT SingleChannelElement::pcoeffs[1024] |
coefficients for IMDCT, pristine
Definition at line 261 of file aac.h.
Referenced by aac_encode_frame(), apply_window_and_mdct(), ff_aac_adjust_common_pred(), ff_aac_apply_tns(), and ff_aac_is_encoding_err().
INTFLOAT SingleChannelElement::coeffs[1024] |
coefficients for IMDCT, maybe processed
Definition at line 262 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_window_and_mdct(), avoid_clipping(), codebook_trellis_rate(), decode_ics(), encode_spectral_coeffs(), encode_window_bands_info(), ff_aac_apply_main_pred(), ff_aac_apply_tns(), ff_aac_is_encoding_err(), ff_aac_search_for_is(), ff_aac_search_for_ltp(), ff_aac_search_for_pred(), ff_aac_search_for_tns(), imdct_and_windowing(), imdct_and_windowing_eld(), imdct_and_windowing_ld(), search_for_ms(), search_for_pns(), search_for_quantizers_anmr(), search_for_quantizers_fast(), search_for_quantizers_twoloop(), spectral_to_sample(), and update_ltp().
INTFLOAT SingleChannelElement::saved[1536] |
overlap
Definition at line 263 of file aac.h.
Referenced by flush(), imdct_and_windowing(), imdct_and_windowing_eld(), imdct_and_windowing_ld(), and update_ltp().
INTFLOAT SingleChannelElement::ret_buf[2048] |
PCM output buffer.
Definition at line 264 of file aac.h.
Referenced by aac_encode_frame(), apply_window_and_mdct(), ff_aac_ltp_insert_new_frame(), and frame_configure_elements().
INTFLOAT SingleChannelElement::ltp_state[3072] |
time signal for LTP
Definition at line 265 of file aac.h.
Referenced by aac_encode_frame(), apply_ltp(), ff_aac_ltp_insert_new_frame(), ff_aac_search_for_ltp(), ff_aac_update_ltp(), and update_ltp().
AAC_FLOAT SingleChannelElement::lcoeffs[1024] |
MDCT of LTP coefficients (used by encoder)
Definition at line 266 of file aac.h.
Referenced by aac_encode_frame(), and ff_aac_search_for_ltp().
AAC_FLOAT SingleChannelElement::prcoeffs[1024] |
Main prediction coefs (used by encoder)
Definition at line 267 of file aac.h.
Referenced by ff_aac_apply_main_pred(), and ff_aac_search_for_pred().
PredictorState SingleChannelElement::predictor_state[MAX_PREDICTORS] |
Definition at line 268 of file aac.h.
Referenced by apply_prediction(), ff_aac_apply_main_pred(), ff_aac_search_for_pred(), and reset_predictor_group().
INTFLOAT* SingleChannelElement::ret |
PCM output.
Definition at line 269 of file aac.h.
Referenced by apply_independent_coupling(), apply_independent_coupling_fixed(), apply_ltp(), frame_configure_elements(), imdct_and_windowing(), imdct_and_windowing_eld(), imdct_and_windowing_ld(), spectral_to_sample(), and update_ltp().