diff options
Diffstat (limited to 'thirdparty/opus/silk/fixed/main_FIX.h')
| -rw-r--r-- | thirdparty/opus/silk/fixed/main_FIX.h | 74 |
1 files changed, 51 insertions, 23 deletions
diff --git a/thirdparty/opus/silk/fixed/main_FIX.h b/thirdparty/opus/silk/fixed/main_FIX.h index 6d2112e511..375b5eb32e 100644 --- a/thirdparty/opus/silk/fixed/main_FIX.h +++ b/thirdparty/opus/silk/fixed/main_FIX.h @@ -36,11 +36,6 @@ POSSIBILITY OF SUCH DAMAGE. #include "debug.h" #include "entenc.h" -#if ((defined(OPUS_ARM_ASM) && defined(FIXED_POINT)) \ - || defined(OPUS_ARM_MAY_HAVE_NEON_INTR)) -#include "fixed/arm/warped_autocorrelation_FIX_arm.h" -#endif - #ifndef FORCE_CPP_BUILD #ifdef __cplusplus extern "C" @@ -52,9 +47,6 @@ extern "C" #define silk_encode_do_VAD_Fxx silk_encode_do_VAD_FIX #define silk_encode_frame_Fxx silk_encode_frame_FIX -#define QC 10 -#define QS 13 - /*********************/ /* Encoder Functions */ /*********************/ @@ -66,8 +58,7 @@ void silk_HP_variable_cutoff( /* Encoder main function */ void silk_encode_do_VAD_FIX( - silk_encoder_state_FIX *psEnc, /* I/O Pointer to Silk FIX encoder state */ - opus_int activity /* I Decision of Opus voice activity detector */ + silk_encoder_state_FIX *psEnc /* I/O Pointer to Silk FIX encoder state */ ); /* Encoder main function */ @@ -90,11 +81,33 @@ opus_int silk_init_encoder( opus_int silk_control_encoder( silk_encoder_state_Fxx *psEnc, /* I/O Pointer to Silk encoder state */ 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_FIX( + silk_encoder_state_FIX *psEnc, /* I/O Encoder state */ + const silk_encoder_control_FIX *psEncCtrl, /* I Encoder control */ + opus_int32 xw_Q10[], /* O Weighted signal */ + const opus_int16 x[] /* I Speech signal */ +); + +void silk_warped_LPC_analysis_filter_FIX_c( + opus_int32 state[], /* I/O State [order + 1] */ + opus_int32 res_Q2[], /* O Residual signal [length] */ + const opus_int16 coef_Q13[], /* I Coefficients [order] */ + const opus_int16 input[], /* I Input signal [length] */ + const opus_int16 lambda_Q16, /* I Warping factor */ + const opus_int length, /* I Length of input signal */ + const opus_int order /* I Filter order (even) */ +); + + /**************************/ /* Noise shaping analysis */ /**************************/ @@ -108,7 +121,7 @@ void silk_noise_shape_analysis_FIX( ); /* Autocorrelations for a warped frequency axis */ -void silk_warped_autocorrelation_FIX_c( +void silk_warped_autocorrelation_FIX( opus_int32 *corr, /* O Result [order + 1] */ opus_int *scale, /* O Scaling of the correlation vector */ const opus_int16 *input, /* I Input data to correlate */ @@ -117,11 +130,6 @@ void silk_warped_autocorrelation_FIX_c( const opus_int order /* I Correlation order (even) */ ); -#if !defined(OVERRIDE_silk_warped_autocorrelation_FIX) -#define silk_warped_autocorrelation_FIX(corr, scale, input, warping_Q16, length, order, arch) \ - ((void)(arch), silk_warped_autocorrelation_FIX_c(corr, scale, input, warping_Q16, length, order)) -#endif - /* Calculation of LTP state scaling */ void silk_LTP_scale_ctrl_FIX( silk_encoder_state_FIX *psEnc, /* I/O encoder state */ @@ -160,12 +168,16 @@ void silk_find_LPC_FIX( /* LTP analysis */ void silk_find_LTP_FIX( - opus_int32 XXLTP_Q17[ MAX_NB_SUBFR * LTP_ORDER * LTP_ORDER ], /* O Correlation matrix */ - opus_int32 xXLTP_Q17[ MAX_NB_SUBFR * LTP_ORDER ], /* O Correlation vector */ - const opus_int16 r_lpc[], /* I Residual signal after LPC */ + opus_int16 b_Q14[ MAX_NB_SUBFR * LTP_ORDER ], /* O LTP coefs */ + opus_int32 WLTP[ MAX_NB_SUBFR * LTP_ORDER * LTP_ORDER ], /* O Weight for LTP quantization */ + opus_int *LTPredCodGain_Q7, /* O LTP coding gain */ + const opus_int16 r_lpc[], /* I residual signal after LPC signal + state for first 10 ms */ const opus_int lag[ MAX_NB_SUBFR ], /* I LTP lags */ - const opus_int subfr_length, /* I Subframe length */ - const opus_int nb_subfr, /* I Number of subframes */ + const opus_int32 Wght_Q15[ 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 */ + opus_int corr_rshifts[ MAX_NB_SUBFR ], /* O right shifts applied to correlations */ int arch /* I Run-time architecture */ ); @@ -219,9 +231,9 @@ void silk_corrMatrix_FIX( const opus_int16 *x, /* I x vector [L + order - 1] used to form data matrix X */ const opus_int L, /* I Length of vectors */ const opus_int order, /* I Max lag for correlation */ + const opus_int head_room, /* I Desired headroom */ opus_int32 *XX, /* O Pointer to X'*X correlation matrix [ order x order ] */ - opus_int32 *nrg, /* O Energy of x vector */ - opus_int *rshifts, /* O Right shifts of correlations */ + opus_int *rshifts, /* I/O Right shifts of correlations */ int arch /* I Run-time architecture */ ); @@ -236,6 +248,22 @@ void silk_corrVector_FIX( int arch /* I Run-time architecture */ ); +/* Add noise to matrix diagonal */ +void silk_regularize_correlations_FIX( + opus_int32 *XX, /* I/O Correlation matrices */ + opus_int32 *xx, /* I/O Correlation values */ + opus_int32 noise, /* I Noise to add */ + opus_int D /* I Dimension of XX */ +); + +/* Solves Ax = b, assuming A is symmetric */ +void silk_solve_LDL_FIX( + opus_int32 *A, /* I Pointer to symetric square matrix A */ + opus_int M, /* I Size of matrix */ + const opus_int32 *b, /* I Pointer to b vector */ + opus_int32 *x_Q16 /* O Pointer to x solution vector */ +); + #ifndef FORCE_CPP_BUILD #ifdef __cplusplus } |