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FFmpeg
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Data Fields | |
| DSPContext | dsp |
| int16_t | exc_base [2 *SUBFRAME_SIZE+PITCH_DELAY_MAX+INTERPOL_LEN] |
| past excitation signal buffer More... | |
| int16_t * | exc |
| start of past excitation data in buffer More... | |
| int | pitch_delay_int_prev |
| integer part of previous subframe's pitch delay (4.1.3) More... | |
| int16_t | past_quantizer_output_buf [MA_NP+1][10] |
| (2.13) LSP quantizer outputs More... | |
| int16_t * | past_quantizer_outputs [MA_NP+1] |
| int16_t | lsfq [10] |
| (2.13) quantized LSF coefficients from previous frame More... | |
| int16_t | lsp_buf [2][10] |
| (0.15) LSP coefficients (previous and current frames) (3.2.5) More... | |
| int16_t * | lsp [2] |
| pointers to lsp_buf More... | |
| int16_t | quant_energy [4] |
| (5.10) past quantized energy More... | |
| int16_t | syn_filter_data [10] |
| previous speech data for LP synthesis filter More... | |
| int16_t | residual [SUBFRAME_SIZE+RES_PREV_DATA_SIZE] |
| residual signal buffer (used in long-term postfilter) More... | |
| int16_t | res_filter_data [SUBFRAME_SIZE+10] |
| previous speech data for residual calculation filter More... | |
| int16_t | pos_filter_data [SUBFRAME_SIZE+10] |
| previous speech data for short-term postfilter More... | |
| int16_t | past_gain_pitch [6] |
| (1.14) pitch gain of current and five previous subframes More... | |
| int16_t | past_gain_code [2] |
| (14.1) gain code from current and previous subframe More... | |
| int16_t | voice_decision |
| voice decision on previous subframe (0-noise, 1-intermediate, 2-voice), G.729D More... | |
| int16_t | onset |
| detected onset level (0-2) More... | |
| int16_t | was_periodic |
| whether previous frame was declared as periodic or not (4.4) More... | |
| int16_t | ht_prev_data |
| previous data for 4.2.3, equation 86 More... | |
| int | gain_coeff |
| (1.14) gain coefficient (4.2.4) More... | |
| uint16_t | rand_value |
| random number generator value (4.4.4) More... | |
| int | ma_predictor_prev |
| switched MA predictor of LSP quantizer from last good frame More... | |
| int | hpf_f [2] |
| (14.14) high-pass filter data (past input) More... | |
| int16_t | hpf_z [2] |
| high-pass filter data (past output) More... | |
Detailed Description
Definition at line 102 of file libavcodec/g729dec.c.
Field Documentation
| DSPContext G729Context::dsp |
Definition at line 103 of file libavcodec/g729dec.c.
Referenced by decode_frame(), and decoder_init().
| int16_t* G729Context::exc |
start of past excitation data in buffer
Definition at line 108 of file libavcodec/g729dec.c.
Referenced by decode_frame(), and decoder_init().
| int16_t G729Context::exc_base[2 *SUBFRAME_SIZE+PITCH_DELAY_MAX+INTERPOL_LEN] |
past excitation signal buffer
Definition at line 106 of file libavcodec/g729dec.c.
Referenced by decode_frame(), and decoder_init().
| int G729Context::gain_coeff |
(1.14) gain coefficient (4.2.4)
Definition at line 146 of file libavcodec/g729dec.c.
Referenced by decode_frame(), and decoder_init().
| int G729Context::hpf_f[2] |
(14.14) high-pass filter data (past input)
Definition at line 151 of file libavcodec/g729dec.c.
Referenced by decode_frame().
| int16_t G729Context::hpf_z[2] |
high-pass filter data (past output)
Definition at line 154 of file libavcodec/g729dec.c.
Referenced by decode_frame().
| int16_t G729Context::ht_prev_data |
previous data for 4.2.3, equation 86
Definition at line 145 of file libavcodec/g729dec.c.
Referenced by decode_frame().
| int16_t G729Context::lsfq[10] |
(2.13) quantized LSF coefficients from previous frame
Definition at line 115 of file libavcodec/g729dec.c.
Referenced by decode_frame().
| int16_t* G729Context::lsp[2] |
pointers to lsp_buf
Definition at line 117 of file libavcodec/g729dec.c.
Referenced by decode_frame(), and decoder_init().
| int16_t G729Context::lsp_buf[2][10] |
(0.15) LSP coefficients (previous and current frames) (3.2.5)
Definition at line 116 of file libavcodec/g729dec.c.
Referenced by decoder_init().
| int G729Context::ma_predictor_prev |
switched MA predictor of LSP quantizer from last good frame
Definition at line 148 of file libavcodec/g729dec.c.
Referenced by decode_frame().
| int16_t G729Context::onset |
detected onset level (0-2)
Definition at line 143 of file libavcodec/g729dec.c.
Referenced by decode_frame().
| int16_t G729Context::past_gain_code[2] |
(14.1) gain code from current and previous subframe
Definition at line 138 of file libavcodec/g729dec.c.
Referenced by decode_frame().
| int16_t G729Context::past_gain_pitch[6] |
(1.14) pitch gain of current and five previous subframes
Definition at line 135 of file libavcodec/g729dec.c.
Referenced by decode_frame().
| int16_t G729Context::past_quantizer_output_buf[MA_NP+1][10] |
(2.13) LSP quantizer outputs
Definition at line 112 of file libavcodec/g729dec.c.
Referenced by decoder_init().
| int16_t* G729Context::past_quantizer_outputs[MA_NP+1] |
Definition at line 113 of file libavcodec/g729dec.c.
Referenced by decode_frame(), and decoder_init().
| int G729Context::pitch_delay_int_prev |
integer part of previous subframe's pitch delay (4.1.3)
Definition at line 109 of file libavcodec/g729dec.c.
Referenced by decode_frame(), and decoder_init().
| int16_t G729Context::pos_filter_data[SUBFRAME_SIZE+10] |
previous speech data for short-term postfilter
Definition at line 132 of file libavcodec/g729dec.c.
Referenced by decode_frame().
| int16_t G729Context::quant_energy[4] |
(5.10) past quantized energy
Definition at line 119 of file libavcodec/g729dec.c.
Referenced by decode_frame(), and decoder_init().
| uint16_t G729Context::rand_value |
random number generator value (4.4.4)
Definition at line 147 of file libavcodec/g729dec.c.
Referenced by decode_frame(), and decoder_init().
| int16_t G729Context::res_filter_data[SUBFRAME_SIZE+10] |
previous speech data for residual calculation filter
Definition at line 129 of file libavcodec/g729dec.c.
Referenced by decode_frame().
| int16_t G729Context::residual[SUBFRAME_SIZE+RES_PREV_DATA_SIZE] |
residual signal buffer (used in long-term postfilter)
Definition at line 126 of file libavcodec/g729dec.c.
Referenced by decode_frame().
| int16_t G729Context::syn_filter_data[10] |
previous speech data for LP synthesis filter
Definition at line 122 of file libavcodec/g729dec.c.
Referenced by decode_frame().
| int16_t G729Context::voice_decision |
voice decision on previous subframe (0-noise, 1-intermediate, 2-voice), G.729D
Definition at line 141 of file libavcodec/g729dec.c.
Referenced by decode_frame().
| int16_t G729Context::was_periodic |
whether previous frame was declared as periodic or not (4.4)
Definition at line 144 of file libavcodec/g729dec.c.
Referenced by decode_frame().
The documentation for this struct was generated from the following file:
Generated on Mon Nov 18 2024 06:52:11 for FFmpeg by
1.8.11