QCELPContext Struct Reference

Data Fields
GetBitContext	gb
qcelp_packet_rate	bitrate
QCELPFrame	frame
uint8_t	erasure_count
uint8_t	octave_count
float	prev_lspf [10]
float	predictor_lspf [10]
float	pitch_synthesis_filter_mem [303]
float	pitch_pre_filter_mem [303]
float	rnd_fir_filter_mem [180]
float	formant_mem [170]
float	last_codebook_gain
int	prev_g1 [2]
int	prev_bitrate
float	pitch_gain [4]
uint8_t	pitch_lag [4]
uint16_t	first16bits
uint8_t	warned_buf_mismatch_bitrate
float	postfilter_synth_mem [10]
float	postfilter_agc_mem
float	postfilter_tilt_mem

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Detailed Description

Definition at line 57 of file qcelpdec.c.

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Field Documentation

qcelp_packet_rate QCELPContext::bitrate

Definition at line 60 of file qcelpdec.c.

Referenced by apply_pitch_filters(), compute_svector(), decode_gain_and_index(), decode_lspf(), interpolate_lpc(), and qcelp_decode_frame().

uint8_t QCELPContext::erasure_count

Definition at line 63 of file qcelpdec.c.

Referenced by apply_pitch_filters(), decode_gain_and_index(), decode_lspf(), and qcelp_decode_frame().

uint16_t QCELPContext::first16bits

Definition at line 76 of file qcelpdec.c.

Referenced by compute_svector(), and qcelp_decode_frame().

float QCELPContext::formant_mem[170]

Definition at line 70 of file qcelpdec.c.

Referenced by postfilter(), and qcelp_decode_frame().

QCELPFrame QCELPContext::frame

unpacked data frame

Definition at line 61 of file qcelpdec.c.

Referenced by apply_pitch_filters(), compute_svector(), decode_gain_and_index(), decode_lspf(), and qcelp_decode_frame().

GetBitContext QCELPContext::gb

Definition at line 59 of file qcelpdec.c.

Referenced by qcelp_decode_frame().

float QCELPContext::last_codebook_gain

Definition at line 71 of file qcelpdec.c.

Referenced by decode_gain_and_index().

uint8_t QCELPContext::octave_count

count the consecutive RATE_OCTAVE frames

Definition at line 64 of file qcelpdec.c.

Referenced by decode_lspf().

float QCELPContext::pitch_gain[4]

Definition at line 74 of file qcelpdec.c.

Referenced by apply_pitch_filters().

uint8_t QCELPContext::pitch_lag[4]

Definition at line 75 of file qcelpdec.c.

Referenced by apply_pitch_filters().

float QCELPContext::pitch_pre_filter_mem[303]

Definition at line 68 of file qcelpdec.c.

Referenced by apply_pitch_filters().

float QCELPContext::pitch_synthesis_filter_mem[303]

Definition at line 67 of file qcelpdec.c.

Referenced by apply_pitch_filters().

float QCELPContext::postfilter_agc_mem

Definition at line 81 of file qcelpdec.c.

Referenced by postfilter().

float QCELPContext::postfilter_synth_mem[10]

Definition at line 80 of file qcelpdec.c.

Referenced by postfilter().

float QCELPContext::postfilter_tilt_mem

Definition at line 82 of file qcelpdec.c.

Referenced by postfilter().

float QCELPContext::predictor_lspf[10]

LSP predictor for RATE_OCTAVE and I_F_Q

Definition at line 66 of file qcelpdec.c.

Referenced by decode_lspf().

int QCELPContext::prev_bitrate

Definition at line 73 of file qcelpdec.c.

Referenced by apply_pitch_filters(), decode_lspf(), and qcelp_decode_frame().

int QCELPContext::prev_g1[2]

Definition at line 72 of file qcelpdec.c.

Referenced by decode_gain_and_index().

float QCELPContext::prev_lspf[10]

Definition at line 65 of file qcelpdec.c.

Referenced by decode_lspf(), interpolate_lpc(), qcelp_decode_frame(), and qcelp_decode_init().

float QCELPContext::rnd_fir_filter_mem[180]

Definition at line 69 of file qcelpdec.c.

Referenced by compute_svector().

uint8_t QCELPContext::warned_buf_mismatch_bitrate

Definition at line 77 of file qcelpdec.c.

Referenced by determine_bitrate().

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The documentation for this struct was generated from the following file:

• libavcodec/qcelpdec.c