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FFmpeg
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Public Attributes | |
| AMRWBFrame | frame |
| AMRWB parameters decoded from bitstream. | |
| enum Mode | fr_cur_mode |
| mode index of current frame | |
| uint8_t | fr_quality |
| frame quality index (FQI) | |
| float | isf_cur [LP_ORDER] |
| working ISF vector from current frame | |
| float | isf_q_past [LP_ORDER] |
| quantized ISF vector of the previous frame | |
| float | isf_past_final [LP_ORDER] |
| final processed ISF vector of the previous frame | |
| double | isp [4][LP_ORDER] |
| ISP vectors from current frame. | |
| double | isp_sub4_past [LP_ORDER] |
| ISP vector for the 4th subframe of the previous frame. | |
| float | lp_coef [4][LP_ORDER] |
| Linear Prediction Coefficients from ISP vector. | |
| uint8_t | base_pitch_lag |
| integer part of pitch lag for the next relative subframe | |
| uint8_t | pitch_lag_int |
| integer part of pitch lag of the previous subframe | |
| float | excitation_buf [AMRWB_P_DELAY_MAX+LP_ORDER+2+AMRWB_SFR_SIZE] |
| current excitation and all necessary excitation history | |
| float * | excitation |
| points to current excitation in excitation_buf[] | |
| float | pitch_vector [AMRWB_SFR_SIZE] |
| adaptive codebook (pitch) vector for current subframe | |
| float | fixed_vector [AMRWB_SFR_SIZE] |
| algebraic codebook (fixed) vector for current subframe | |
| float | prediction_error [4] |
| quantified prediction errors {20log10(^gamma_gc)} for previous four subframes | |
| float | pitch_gain [6] |
| quantified pitch gains for the current and previous five subframes | |
| float | fixed_gain [2] |
| quantified fixed gains for the current and previous subframes | |
| float | tilt_coef |
| {beta_1} related to the voicing of the previous subframe | |
| float | prev_sparse_fixed_gain |
| previous fixed gain; used by anti-sparseness to determine "onset" | |
| uint8_t | prev_ir_filter_nr |
| previous impulse response filter "impNr": 0 - strong, 1 - medium, 2 - none | |
| float | prev_tr_gain |
| previous initial gain used by noise enhancer for threshold | |
| float | samples_az [LP_ORDER+AMRWB_SFR_SIZE] |
| low-band samples and memory from synthesis at 12.8kHz | |
| float | samples_up [UPS_MEM_SIZE+AMRWB_SFR_SIZE] |
| low-band samples and memory processed for upsampling | |
| float | samples_hb [LP_ORDER_16k+AMRWB_SFR_SIZE_16k] |
| high-band samples and memory from synthesis at 16kHz | |
| float | hpf_31_mem [2] |
| float | hpf_400_mem [2] |
| previous values in the high pass filters | |
| float | demph_mem [1] |
| previous value in the de-emphasis filter | |
| float | bpf_6_7_mem [HB_FIR_SIZE] |
| previous values in the high-band band pass filter | |
| float | lpf_7_mem [HB_FIR_SIZE] |
| previous values in the high-band low pass filter | |
| AVLFG | prng |
| random number generator for white noise excitation | |
| uint8_t | first_frame |
| flag active during decoding of the first frame | |
| ACELPFContext | acelpf_ctx |
| context for filters for ACELP-based codecs | |
| ACELPVContext | acelpv_ctx |
| context for vector operations for ACELP-based codecs | |
| CELPFContext | celpf_ctx |
| context for filters for CELP-based codecs | |
| CELPMContext | celpm_ctx |
| context for fixed point math operations | |
| AVClass * | av_class |
| void * | state |
| int | mode |
| int | last_bitrate |
| int | allow_dtx |
1.8.12