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Unified Diff: third_party/opus/src/silk/float/main_FLP.h

Issue 2962373002: [Opus] Update to v1.2.1 (Closed)
Patch Set: Pre-increment instead of post-increment Created 3 years, 5 months ago
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Index: third_party/opus/src/silk/float/main_FLP.h
diff --git a/third_party/opus/src/silk/float/main_FLP.h b/third_party/opus/src/silk/float/main_FLP.h
index e5a75972e5f8c030a1076c65d336a7d028763c54..f47fc93bec77122f9ef52d06e3b92405d9daf5ce 100644
--- a/third_party/opus/src/silk/float/main_FLP.h
+++ b/third_party/opus/src/silk/float/main_FLP.h
@@ -79,22 +79,11 @@ opus_int silk_init_encoder(
opus_int silk_control_encoder(
silk_encoder_state_FLP *psEnc, /* I/O Pointer to Silk encoder state FLP */
silk_EncControlStruct *encControl, /* I Control structure */
- const opus_int32 TargetRate_bps, /* I Target max bitrate (bps) */
const opus_int allow_bw_switch, /* I Flag to allow switching audio bandwidth */
const opus_int channelNb, /* I Channel number */
const opus_int force_fs_kHz
);
-/****************/
-/* Prefiltering */
-/****************/
-void silk_prefilter_FLP(
- silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */
- const silk_encoder_control_FLP *psEncCtrl, /* I Encoder control FLP */
- silk_float xw[], /* O Weighted signal */
- const silk_float x[] /* I Speech signal */
-);
-
/**************************/
/* Noise shaping analysis */
/**************************/
@@ -153,15 +142,12 @@ void silk_find_LPC_FLP(
/* LTP analysis */
void silk_find_LTP_FLP(
- silk_float b[ MAX_NB_SUBFR * LTP_ORDER ], /* O LTP coefs */
- silk_float WLTP[ MAX_NB_SUBFR * LTP_ORDER * LTP_ORDER ], /* O Weight for LTP quantization */
- silk_float *LTPredCodGain, /* O LTP coding gain */
- const silk_float r_lpc[], /* I LPC residual */
+ silk_float XX[ MAX_NB_SUBFR * LTP_ORDER * LTP_ORDER ], /* O Weight for LTP quantization */
+ silk_float xX[ MAX_NB_SUBFR * LTP_ORDER ], /* O Weight for LTP quantization */
+ const silk_float r_ptr[], /* I LPC residual */
const opus_int lag[ MAX_NB_SUBFR ], /* I LTP lags */
- const silk_float Wght[ MAX_NB_SUBFR ], /* I Weights */
const opus_int subfr_length, /* I Subframe length */
- const opus_int nb_subfr, /* I number of subframes */
- const opus_int mem_offset /* I Number of samples in LTP memory */
+ const opus_int nb_subfr /* I number of subframes */
);
void silk_LTP_analysis_filter_FLP(
@@ -198,14 +184,15 @@ void silk_LPC_analysis_filter_FLP(
/* LTP tap quantizer */
void silk_quant_LTP_gains_FLP(
- silk_float B[ MAX_NB_SUBFR * LTP_ORDER ], /* I/O (Un-)quantized LTP gains */
+ silk_float B[ MAX_NB_SUBFR * LTP_ORDER ], /* O Quantized LTP gains */
opus_int8 cbk_index[ MAX_NB_SUBFR ], /* O Codebook index */
opus_int8 *periodicity_index, /* O Periodicity index */
opus_int32 *sum_log_gain_Q7, /* I/O Cumulative max prediction gain */
- const silk_float W[ MAX_NB_SUBFR * LTP_ORDER * LTP_ORDER ], /* I Error weights */
- const opus_int mu_Q10, /* I Mu value (R/D tradeoff) */
- const opus_int lowComplexity, /* I Flag for low complexity */
- const opus_int nb_subfr, /* I number of subframes */
+ silk_float *pred_gain_dB, /* O LTP prediction gain */
+ const silk_float XX[ MAX_NB_SUBFR * LTP_ORDER * LTP_ORDER ], /* I Correlation matrix */
+ const silk_float xX[ MAX_NB_SUBFR * LTP_ORDER ], /* I Correlation vector */
+ const opus_int subfr_len, /* I Number of samples per subframe */
+ const opus_int nb_subfr, /* I Number of subframes */
int arch /* I Run-time architecture */
);
@@ -245,22 +232,6 @@ void silk_corrVector_FLP(
silk_float *Xt /* O X'*t correlation vector [order] */
);
-/* Add noise to matrix diagonal */
-void silk_regularize_correlations_FLP(
- silk_float *XX, /* I/O Correlation matrices */
- silk_float *xx, /* I/O Correlation values */
- const silk_float noise, /* I Noise energy to add */
- const opus_int D /* I Dimension of XX */
-);
-
-/* Function to solve linear equation Ax = b, where A is an MxM symmetric matrix */
-void silk_solve_LDL_FLP(
- silk_float *A, /* I/O Symmetric square matrix, out: reg. */
- const opus_int M, /* I Size of matrix */
- const silk_float *b, /* I Pointer to b vector */
- silk_float *x /* O Pointer to x solution vector */
-);
-
/* Apply sine window to signal vector. */
/* Window types: */
/* 1 -> sine window from 0 to pi/2 */
@@ -285,7 +256,8 @@ void silk_A2NLSF_FLP(
void silk_NLSF2A_FLP(
silk_float *pAR, /* O LPC coefficients [ LPC_order ] */
const opus_int16 *NLSF_Q15, /* I NLSF vector [ LPC_order ] */
- const opus_int LPC_order /* I LPC order */
+ const opus_int LPC_order, /* I LPC order */
+ int arch /* I Run-time architecture */
);
/* Limit, stabilize, and quantize NLSFs */
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