diff options
| author | Koen Vos <koen.vos@skype.net> | 2011-10-29 03:44:26 +0400 |
|---|---|---|
| committer | Jean-Marc Valin <jmvalin@jmvalin.ca> | 2011-10-29 03:44:26 +0400 |
| commit | acc7a6c78b266e3ef0e1f91ee405af92a0989dec (patch) | |
| tree | d3e32cc66cf96fecdaffc924ff0d051028b72f31 /silk/main.h | |
| parent | 2d4f61409186c7efa831387bf14e2164607a805a (diff) | |
Reformatting changes with an update to the MSVC project files
Diffstat (limited to 'silk/main.h')
| -rw-r--r-- | silk/main.h | 435 |
1 files changed, 208 insertions, 227 deletions
diff --git a/silk/main.h b/silk/main.h index 29c45217..adf11f6e 100644 --- a/silk/main.h +++ b/silk/main.h @@ -38,114 +38,109 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include "entenc.h" #include "entdec.h" -/* Uncomment the next line to store intermadiate data to files */ -/*#define SAVE_ALL_INTERNAL_DATA 1*/ -/* Uncomment the next line to force a fixed internal sampling rate (independent of what bitrate is used */ -/*#define FORCE_INTERNAL_FS_KHZ 16*/ - /* Simple way to make [8000, 12000, 16000, 24000, 48000] to [0,1,2,3,4] */ #define rateID(R) ( ( ( ((R)>>12) - ((R)>16000) ) >> ((R)>24000) ) - 1 ) /* Convert Left/Right stereo signal to adaptive Mid/Side representation */ void silk_stereo_LR_to_MS( - stereo_enc_state *state, /* I/O State */ - opus_int16 x1[], /* I/O Left input signal, becomes mid signal */ - opus_int16 x2[], /* I/O Right input signal, becomes side signal */ - opus_int8 ix[ 2 ][ 3 ], /* O Quantization indices */ - opus_int8 *mid_only_flag, /* O Flag: only mid signal coded */ - opus_int32 mid_side_rates_bps[], /* O Bitrates for mid and side signals */ - opus_int32 total_rate_bps, /* I Total bitrate */ - opus_int prev_speech_act_Q8, /* I Speech activity level in previous frame */ - opus_int toMono, /* I Last frame before a stereo->mono transition */ - opus_int fs_kHz, /* I Sample rate (kHz) */ - opus_int frame_length /* I Number of samples */ + stereo_enc_state *state, /* I/O State */ + opus_int16 x1[], /* I/O Left input signal, becomes mid signal */ + opus_int16 x2[], /* I/O Right input signal, becomes side signal */ + opus_int8 ix[ 2 ][ 3 ], /* O Quantization indices */ + opus_int8 *mid_only_flag, /* O Flag: only mid signal coded */ + opus_int32 mid_side_rates_bps[], /* O Bitrates for mid and side signals */ + opus_int32 total_rate_bps, /* I Total bitrate */ + opus_int prev_speech_act_Q8, /* I Speech activity level in previous frame */ + opus_int toMono, /* I Last frame before a stereo->mono transition */ + opus_int fs_kHz, /* I Sample rate (kHz) */ + opus_int frame_length /* I Number of samples */ ); /* Convert adaptive Mid/Side representation to Left/Right stereo signal */ void silk_stereo_MS_to_LR( - stereo_dec_state *state, /* I/O State */ - opus_int16 x1[], /* I/O Left input signal, becomes mid signal */ - opus_int16 x2[], /* I/O Right input signal, becomes side signal */ - const opus_int32 pred_Q13[], /* I Predictors */ - opus_int fs_kHz, /* I Samples rate (kHz) */ - opus_int frame_length /* I Number of samples */ + stereo_dec_state *state, /* I/O State */ + opus_int16 x1[], /* I/O Left input signal, becomes mid signal */ + opus_int16 x2[], /* I/O Right input signal, becomes side signal */ + const opus_int32 pred_Q13[], /* I Predictors */ + opus_int fs_kHz, /* I Samples rate (kHz) */ + opus_int frame_length /* I Number of samples */ ); /* Find least-squares prediction gain for one signal based on another and quantize it */ -opus_int32 silk_stereo_find_predictor( /* O Returns predictor in Q13 */ - opus_int32 *ratio_Q14, /* O Ratio of residual and mid energies */ - const opus_int16 x[], /* I Basis signal */ - const opus_int16 y[], /* I Target signal */ - opus_int32 mid_res_amp_Q0[], /* I/O Smoothed mid, residual norms */ - opus_int length, /* I Number of samples */ - opus_int smooth_coef_Q16 /* I Smoothing coefficient */ +opus_int32 silk_stereo_find_predictor( /* O Returns predictor in Q13 */ + opus_int32 *ratio_Q14, /* O Ratio of residual and mid energies */ + const opus_int16 x[], /* I Basis signal */ + const opus_int16 y[], /* I Target signal */ + opus_int32 mid_res_amp_Q0[], /* I/O Smoothed mid, residual norms */ + opus_int length, /* I Number of samples */ + opus_int smooth_coef_Q16 /* I Smoothing coefficient */ ); /* Quantize mid/side predictors */ void silk_stereo_quant_pred( - opus_int32 pred_Q13[], /* I/O Predictors (out: quantized) */ - opus_int8 ix[ 2 ][ 3 ] /* O Quantization indices */ + opus_int32 pred_Q13[], /* I/O Predictors (out: quantized) */ + opus_int8 ix[ 2 ][ 3 ] /* O Quantization indices */ ); /* Entropy code the mid/side quantization indices */ void silk_stereo_encode_pred( - ec_enc *psRangeEnc, /* I/O Compressor data structure */ - opus_int8 ix[ 2 ][ 3 ] /* I Quantization indices */ + ec_enc *psRangeEnc, /* I/O Compressor data structure */ + opus_int8 ix[ 2 ][ 3 ] /* I Quantization indices */ ); /* Entropy code the mid-only flag */ void silk_stereo_encode_mid_only( - ec_enc *psRangeEnc, /* I/O Compressor data structure */ - opus_int8 mid_only_flag + ec_enc *psRangeEnc, /* I/O Compressor data structure */ + opus_int8 mid_only_flag ); /* Decode mid/side predictors */ void silk_stereo_decode_pred( - ec_dec *psRangeDec, /* I/O Compressor data structure */ - opus_int32 pred_Q13[] /* O Predictors */ + ec_dec *psRangeDec, /* I/O Compressor data structure */ + opus_int32 pred_Q13[] /* O Predictors */ ); /* Decode mid-only flag */ void silk_stereo_decode_mid_only( - ec_dec *psRangeDec, /* I/O Compressor data structure */ - opus_int *decode_only_mid /* O Flag that only mid channel has been coded */ + ec_dec *psRangeDec, /* I/O Compressor data structure */ + opus_int *decode_only_mid /* O Flag that only mid channel has been coded */ ); /* Encodes signs of excitation */ void silk_encode_signs( ec_enc *psRangeEnc, /* I/O Compressor data structure */ - const opus_int8 pulses[], /* I pulse signal */ - opus_int length, /* I length of input */ - const opus_int signalType, /* I Signal type */ - const opus_int quantOffsetType, /* I Quantization offset type */ - const opus_int sum_pulses[ MAX_NB_SHELL_BLOCKS ] /* I Sum of absolute pulses per block */ + const opus_int8 pulses[], /* I pulse signal */ + opus_int length, /* I length of input */ + const opus_int signalType, /* I Signal type */ + const opus_int quantOffsetType, /* I Quantization offset type */ + const opus_int sum_pulses[ MAX_NB_SHELL_BLOCKS ] /* I Sum of absolute pulses per block */ ); /* Decodes signs of excitation */ void silk_decode_signs( ec_dec *psRangeDec, /* I/O Compressor data structure */ - opus_int pulses[], /* I/O pulse signal */ - opus_int length, /* I length of input */ - const opus_int signalType, /* I Signal type */ - const opus_int quantOffsetType, /* I Quantization offset type */ - const opus_int sum_pulses[ MAX_NB_SHELL_BLOCKS ] /* I Sum of absolute pulses per block */ + opus_int pulses[], /* I/O pulse signal */ + opus_int length, /* I length of input */ + const opus_int signalType, /* I Signal type */ + const opus_int quantOffsetType, /* I Quantization offset type */ + const opus_int sum_pulses[ MAX_NB_SHELL_BLOCKS ] /* I Sum of absolute pulses per block */ ); /* Check encoder control struct */ opus_int check_control_input( - silk_EncControlStruct *encControl /* I: Control structure */ + silk_EncControlStruct *encControl /* I Control structure */ ); /* Control internal sampling rate */ opus_int silk_control_audio_bandwidth( - silk_encoder_state *psEncC, /* I/O Pointer to Silk encoder state */ - silk_EncControlStruct *encControl /* I: Control structure */ + silk_encoder_state *psEncC, /* I/O Pointer to Silk encoder state */ + silk_EncControlStruct *encControl /* I Control structure */ ); /* Control SNR of redidual quantizer */ opus_int silk_control_SNR( - silk_encoder_state *psEncC, /* I/O Pointer to Silk encoder state */ - opus_int32 TargetRate_bps /* I Target max bitrate (bps) */ + silk_encoder_state *psEncC, /* I/O Pointer to Silk encoder state */ + opus_int32 TargetRate_bps /* I Target max bitrate (bps) */ ); /***************/ @@ -154,143 +149,143 @@ opus_int silk_control_SNR( /* Encode quantization indices of excitation */ void silk_encode_pulses( - ec_enc *psRangeEnc, /* I/O compressor data structure */ - const opus_int signalType, /* I Signal type */ - const opus_int quantOffsetType, /* I quantOffsetType */ - opus_int8 pulses[], /* I quantization indices */ - const opus_int frame_length /* I Frame length */ + ec_enc *psRangeEnc, /* I/O compressor data structure */ + const opus_int signalType, /* I Signal type */ + const opus_int quantOffsetType, /* I quantOffsetType */ + opus_int8 pulses[], /* I quantization indices */ + const opus_int frame_length /* I Frame length */ ); /* Shell encoder, operates on one shell code frame of 16 pulses */ void silk_shell_encoder( - ec_enc *psRangeEnc, /* I/O compressor data structure */ - const opus_int *pulses0 /* I data: nonnegative pulse amplitudes */ + ec_enc *psRangeEnc, /* I/O compressor data structure */ + const opus_int *pulses0 /* I data: nonnegative pulse amplitudes */ ); /* Shell decoder, operates on one shell code frame of 16 pulses */ void silk_shell_decoder( - opus_int *pulses0, /* O data: nonnegative pulse amplitudes */ - ec_dec *psRangeDec, /* I/O Compressor data structure */ - const opus_int pulses4 /* I number of pulses per pulse-subframe */ + opus_int *pulses0, /* O data: nonnegative pulse amplitudes */ + ec_dec *psRangeDec, /* I/O Compressor data structure */ + const opus_int pulses4 /* I number of pulses per pulse-subframe */ ); /* Gain scalar quantization with hysteresis, uniform on log scale */ void silk_gains_quant( - opus_int8 ind[ MAX_NB_SUBFR ], /* O gain indices */ - opus_int32 gain_Q16[ MAX_NB_SUBFR ], /* I/O gains (quantized out) */ - opus_int8 *prev_ind, /* I/O last index in previous frame */ - const opus_int conditional, /* I first gain is delta coded if 1 */ - const opus_int nb_subfr /* I number of subframes */ + opus_int8 ind[ MAX_NB_SUBFR ], /* O gain indices */ + opus_int32 gain_Q16[ MAX_NB_SUBFR ], /* I/O gains (quantized out) */ + opus_int8 *prev_ind, /* I/O last index in previous frame */ + const opus_int conditional, /* I first gain is delta coded if 1 */ + const opus_int nb_subfr /* I number of subframes */ ); /* Gains scalar dequantization, uniform on log scale */ void silk_gains_dequant( - opus_int32 gain_Q16[ MAX_NB_SUBFR ], /* O quantized gains */ - const opus_int8 ind[ MAX_NB_SUBFR ], /* I gain indices */ - opus_int8 *prev_ind, /* I/O last index in previous frame */ - const opus_int conditional, /* I first gain is delta coded if 1 */ - const opus_int nb_subfr /* I number of subframes */ + opus_int32 gain_Q16[ MAX_NB_SUBFR ], /* O quantized gains */ + const opus_int8 ind[ MAX_NB_SUBFR ], /* I gain indices */ + opus_int8 *prev_ind, /* I/O last index in previous frame */ + const opus_int conditional, /* I first gain is delta coded if 1 */ + const opus_int nb_subfr /* I number of subframes */ ); /* Compute unique identifier of gain indices vector */ -opus_int32 silk_gains_ID( /* O returns unique identifier of gains */ - const opus_int8 ind[ MAX_NB_SUBFR ], /* I gain indices */ - const opus_int nb_subfr /* I number of subframes */ +opus_int32 silk_gains_ID( /* O returns unique identifier of gains */ + const opus_int8 ind[ MAX_NB_SUBFR ], /* I gain indices */ + const opus_int nb_subfr /* I number of subframes */ ); /* Interpolate two vectors */ void silk_interpolate( - opus_int16 xi[ MAX_LPC_ORDER ], /* O interpolated vector */ - const opus_int16 x0[ MAX_LPC_ORDER ], /* I first vector */ - const opus_int16 x1[ MAX_LPC_ORDER ], /* I second vector */ - const opus_int ifact_Q2, /* I interp. factor, weight on 2nd vector */ - const opus_int d /* I number of parameters */ + opus_int16 xi[ MAX_LPC_ORDER ], /* O interpolated vector */ + const opus_int16 x0[ MAX_LPC_ORDER ], /* I first vector */ + const opus_int16 x1[ MAX_LPC_ORDER ], /* I second vector */ + const opus_int ifact_Q2, /* I interp. factor, weight on 2nd vector */ + const opus_int d /* I number of parameters */ ); /* LTP tap quantizer */ void silk_quant_LTP_gains( - opus_int16 B_Q14[ MAX_NB_SUBFR * LTP_ORDER ], /* I/O (un)quantized LTP gains */ - opus_int8 cbk_index[ MAX_NB_SUBFR ], /* O Codebook Index */ - opus_int8 *periodicity_index, /* O Periodicity Index */ - const opus_int32 W_Q18[ MAX_NB_SUBFR*LTP_ORDER*LTP_ORDER ], /* I Error Weights in Q18 */ - opus_int mu_Q9, /* I Mu value (R/D tradeoff) */ - opus_int lowComplexity, /* I Flag for low complexity */ - const opus_int nb_subfr /* I number of subframes */ + opus_int16 B_Q14[ MAX_NB_SUBFR * LTP_ORDER ], /* I/O (un)quantized LTP gains */ + opus_int8 cbk_index[ MAX_NB_SUBFR ], /* O Codebook Index */ + opus_int8 *periodicity_index, /* O Periodicity Index */ + const opus_int32 W_Q18[ MAX_NB_SUBFR*LTP_ORDER*LTP_ORDER ], /* I Error Weights in Q18 */ + opus_int mu_Q9, /* I Mu value (R/D tradeoff) */ + opus_int lowComplexity, /* I Flag for low complexity */ + const opus_int nb_subfr /* I number of subframes */ ); /* Entropy constrained matrix-weighted VQ, for a single input data vector */ void silk_VQ_WMat_EC( - opus_int8 *ind, /* O index of best codebook vector */ - opus_int32 *rate_dist_Q14, /* O best weighted quantization error + mu * rate*/ - const opus_int16 *in_Q14, /* I input vector to be quantized */ - const opus_int32 *W_Q18, /* I weighting matrix */ - const opus_int8 *cb_Q7, /* I codebook */ - const opus_uint8 *cl_Q5, /* I code length for each codebook vector */ - const opus_int mu_Q9, /* I tradeoff between weighted error and rate */ - opus_int L /* I number of vectors in codebook */ -); - -/***********************************/ -/* Noise shaping quantization (NSQ)*/ -/***********************************/ + opus_int8 *ind, /* O index of best codebook vector */ + opus_int32 *rate_dist_Q14, /* O best weighted quant error + mu * rate */ + const opus_int16 *in_Q14, /* I input vector to be quantized */ + const opus_int32 *W_Q18, /* I weighting matrix */ + const opus_int8 *cb_Q7, /* I codebook */ + const opus_uint8 *cl_Q5, /* I code length for each codebook vector */ + const opus_int mu_Q9, /* I tradeoff betw. weighted error and rate */ + opus_int L /* I number of vectors in codebook */ +); + +/************************************/ +/* Noise shaping quantization (NSQ) */ +/************************************/ void silk_NSQ( - const silk_encoder_state *psEncC, /* I/O Encoder State */ - silk_nsq_state *NSQ, /* I/O NSQ state */ - SideInfoIndices *psIndices, /* I/O Quantization Indices */ - const opus_int16 x[], /* I prefiltered input signal */ - opus_int8 pulses[], /* O quantized qulse signal */ - const opus_int16 PredCoef_Q12[ 2 * MAX_LPC_ORDER ], /* I Short term prediction coefficients */ - const opus_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ], /* I Long term prediction coefficients */ - const opus_int16 AR2_Q13[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ], /* I */ - const opus_int HarmShapeGain_Q14[ MAX_NB_SUBFR ], /* I */ - const opus_int Tilt_Q14[ MAX_NB_SUBFR ], /* I Spectral tilt */ - const opus_int32 LF_shp_Q14[ MAX_NB_SUBFR ], /* I */ - const opus_int32 Gains_Q16[ MAX_NB_SUBFR ], /* I */ - const opus_int pitchL[ MAX_NB_SUBFR ], /* I */ - const opus_int Lambda_Q10, /* I */ - const opus_int LTP_scale_Q14 /* I LTP state scaling */ + const silk_encoder_state *psEncC, /* I/O Encoder State */ + silk_nsq_state *NSQ, /* I/O NSQ state */ + SideInfoIndices *psIndices, /* I/O Quantization Indices */ + const opus_int16 x[], /* I Prefiltered input signal */ + opus_int8 pulses[], /* O Quantized pulse signal */ + const opus_int16 PredCoef_Q12[ 2 * MAX_LPC_ORDER ], /* I Short term prediction coefs */ + const opus_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ], /* I Long term prediction coefs */ + const opus_int16 AR2_Q13[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ], /* I Noise shaping coefs */ + const opus_int HarmShapeGain_Q14[ MAX_NB_SUBFR ], /* I Long term shaping coefs */ + const opus_int Tilt_Q14[ MAX_NB_SUBFR ], /* I Spectral tilt */ + const opus_int32 LF_shp_Q14[ MAX_NB_SUBFR ], /* I Low frequency shaping coefs */ + const opus_int32 Gains_Q16[ MAX_NB_SUBFR ], /* I Quantization step sizes */ + const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lags */ + const opus_int Lambda_Q10, /* I Rate/distortion tradeoff */ + const opus_int LTP_scale_Q14 /* I LTP state scaling */ ); /* Noise shaping using delayed decision */ void silk_NSQ_del_dec( - const silk_encoder_state *psEncC, /* I/O Encoder State */ - silk_nsq_state *NSQ, /* I/O NSQ state */ - SideInfoIndices *psIndices, /* I/O Quantization Indices */ - const opus_int16 x[], /* I Prefiltered input signal */ - opus_int8 pulses[], /* O Quantized pulse signal */ - const opus_int16 PredCoef_Q12[ 2 * MAX_LPC_ORDER ], /* I Prediction coefs */ - const opus_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ], /* I LT prediction coefs */ - const opus_int16 AR2_Q13[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ], /* I */ - const opus_int HarmShapeGain_Q14[ MAX_NB_SUBFR ], /* I */ - const opus_int Tilt_Q14[ MAX_NB_SUBFR ], /* I Spectral tilt */ - const opus_int32 LF_shp_Q14[ MAX_NB_SUBFR ], /* I */ - const opus_int32 Gains_Q16[ MAX_NB_SUBFR ], /* I */ - const opus_int pitchL[ MAX_NB_SUBFR ], /* I */ - const opus_int Lambda_Q10, /* I */ - const opus_int LTP_scale_Q14 /* I LTP state scaling */ + const silk_encoder_state *psEncC, /* I/O Encoder State */ + silk_nsq_state *NSQ, /* I/O NSQ state */ + SideInfoIndices *psIndices, /* I/O Quantization Indices */ + const opus_int16 x[], /* I Prefiltered input signal */ + opus_int8 pulses[], /* O Quantized pulse signal */ + const opus_int16 PredCoef_Q12[ 2 * MAX_LPC_ORDER ], /* I Short term prediction coefs */ + const opus_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ], /* I Long term prediction coefs */ + const opus_int16 AR2_Q13[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ], /* I Noise shaping coefs */ + const opus_int HarmShapeGain_Q14[ MAX_NB_SUBFR ], /* I Long term shaping coefs */ + const opus_int Tilt_Q14[ MAX_NB_SUBFR ], /* I Spectral tilt */ + const opus_int32 LF_shp_Q14[ MAX_NB_SUBFR ], /* I Low frequency shaping coefs */ + const opus_int32 Gains_Q16[ MAX_NB_SUBFR ], /* I Quantization step sizes */ + const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lags */ + const opus_int Lambda_Q10, /* I Rate/distortion tradeoff */ + const opus_int LTP_scale_Q14 /* I LTP state scaling */ ); /************/ /* Silk VAD */ /************/ /* Initialize the Silk VAD */ -opus_int silk_VAD_Init( /* O Return value, 0 if success */ - silk_VAD_state *psSilk_VAD /* I/O Pointer to Silk VAD state */ +opus_int silk_VAD_Init( /* O Return value, 0 if success */ + silk_VAD_state *psSilk_VAD /* I/O Pointer to Silk VAD state */ ); /* Get speech activity level in Q8 */ -opus_int silk_VAD_GetSA_Q8( /* O Return value, 0 if success */ - silk_encoder_state *psEncC, /* I/O Encoder state */ - const opus_int16 pIn[] /* I PCM input */ +opus_int silk_VAD_GetSA_Q8( /* O Return value, 0 if success */ + silk_encoder_state *psEncC, /* I/O Encoder state */ + const opus_int16 pIn[] /* I PCM input */ ); /* Low-pass filter with variable cutoff frequency based on */ /* piece-wise linear interpolation between elliptic filters */ /* Start by setting transition_frame_no = 1; */ void silk_LP_variable_cutoff( - silk_LP_state *psLP, /* I/O LP filter state */ - opus_int16 *signal, /* I/O Low-pass filtered output signal */ - const opus_int frame_length /* I Frame length */ + silk_LP_state *psLP, /* I/O LP filter state */ + opus_int16 *frame, /* I/O Low-pass filtered output signal */ + const opus_int frame_length /* I Frame length */ ); /******************/ @@ -298,133 +293,119 @@ void silk_LP_variable_cutoff( /******************/ /* Limit, stabilize, convert and quantize NLSFs */ void silk_process_NLSFs( - silk_encoder_state *psEncC, /* I/O Encoder state */ - opus_int16 PredCoef_Q12[ 2 ][ MAX_LPC_ORDER ], /* O Prediction coefficients */ - opus_int16 pNLSF_Q15[ MAX_LPC_ORDER ], /* I/O Normalized LSFs (quant out) (0 - (2^15-1)) */ - const opus_int16 prev_NLSFq_Q15[ MAX_LPC_ORDER ] /* I Previous Normalized LSFs (0 - (2^15-1)) */ + silk_encoder_state *psEncC, /* I/O Encoder state */ + opus_int16 PredCoef_Q12[ 2 ][ MAX_LPC_ORDER ], /* O Prediction coefficients */ + opus_int16 pNLSF_Q15[ MAX_LPC_ORDER ], /* I/O Normalized LSFs (quant out) (0 - (2^15-1)) */ + const opus_int16 prev_NLSFq_Q15[ MAX_LPC_ORDER ] /* I Previous Normalized LSFs (0 - (2^15-1)) */ ); -opus_int32 silk_NLSF_encode( /* O Returns RD value in Q25 */ - opus_int8 *NLSFIndices, /* I Codebook path vector [ LPC_ORDER + 1 ] */ - opus_int16 *pNLSF_Q15, /* I/O Quantized NLSF vector [ LPC_ORDER ] */ - const silk_NLSF_CB_struct *psNLSF_CB, /* I Codebook object */ - const opus_int16 *pW_QW, /* I NLSF weight vector [ LPC_ORDER ] */ - const opus_int NLSF_mu_Q20, /* I Rate weight for the RD optimization */ - const opus_int nSurvivors, /* I Max survivors after first stage */ - const opus_int signalType /* I Signal type: 0/1/2 */ +opus_int32 silk_NLSF_encode( /* O Returns RD value in Q25 */ + opus_int8 *NLSFIndices, /* I Codebook path vector [ LPC_ORDER + 1 ] */ + opus_int16 *pNLSF_Q15, /* I/O Quantized NLSF vector [ LPC_ORDER ] */ + const silk_NLSF_CB_struct *psNLSF_CB, /* I Codebook object */ + const opus_int16 *pW_QW, /* I NLSF weight vector [ LPC_ORDER ] */ + const opus_int NLSF_mu_Q20, /* I Rate weight for the RD optimization */ + const opus_int nSurvivors, /* I Max survivors after first stage */ + const opus_int signalType /* I Signal type: 0/1/2 */ ); /* Compute quantization errors for an LPC_order element input vector for a VQ codebook */ void silk_NLSF_VQ( - opus_int32 err_Q26[], /* O Quantization errors [K] */ - const opus_int16 in_Q15[], /* I Input vectors to be quantized [LPC_order] */ - const opus_uint8 pCB_Q8[], /* I Codebook vectors [K*LPC_order] */ - const opus_int K, /* I Number of codebook vectors */ - const opus_int LPC_order /* I Number of LPCs */ + opus_int32 err_Q26[], /* O Quantization errors [K] */ + const opus_int16 in_Q15[], /* I Input vectors to be quantized [LPC_order] */ + const opus_uint8 pCB_Q8[], /* I Codebook vectors [K*LPC_order] */ + const opus_int K, /* I Number of codebook vectors */ + const opus_int LPC_order /* I Number of LPCs */ ); /* Delayed-decision quantizer for NLSF residuals */ -opus_int32 silk_NLSF_del_dec_quant( /* O Returns RD value in Q25 */ - opus_int8 indices[], /* O Quantization indices [ order ] */ - const opus_int16 x_Q10[], /* I Input [ order ] */ - const opus_int16 w_Q5[], /* I Weights [ order ] */ - const opus_uint8 pred_coef_Q8[], /* I Backward predictor coefs [ order ] */ - const opus_int16 ec_ix[], /* I Indices to entropy coding tables [ order ] */ - const opus_uint8 ec_rates_Q5[], /* I Rates [] */ - const opus_int quant_step_size_Q16, /* I Quantization step size */ - const opus_int16 inv_quant_step_size_Q6, /* I Inverse quantization step size */ - const opus_int32 mu_Q20, /* I R/D tradeoff */ - const opus_int16 order /* I Number of input values */ +opus_int32 silk_NLSF_del_dec_quant( /* O Returns RD value in Q25 */ + opus_int8 indices[], /* O Quantization indices [ order ] */ + const opus_int16 x_Q10[], /* I Input [ order ] */ + const opus_int16 w_Q5[], /* I Weights [ order ] */ + const opus_uint8 pred_coef_Q8[], /* I Backward predictor coefs [ order ] */ + const opus_int16 ec_ix[], /* I Indices to entropy coding tables [ order ] */ + const opus_uint8 ec_rates_Q5[], /* I Rates [] */ + const opus_int quant_step_size_Q16, /* I Quantization step size */ + const opus_int16 inv_quant_step_size_Q6, /* I Inverse quantization step size */ + const opus_int32 mu_Q20, /* I R/D tradeoff */ + const opus_int16 order /* I Number of input values */ ); /* Unpack predictor values and indices for entropy coding tables */ void silk_NLSF_unpack( - opus_int16 ec_ix[], /* O Indices to entropy tales [ LPC_ORDER ] */ - opus_uint8 pred_Q8[], /* O LSF predictor [ LPC_ORDER ] */ - const silk_NLSF_CB_struct *psNLSF_CB, /* I Codebook object */ - const opus_int CB1_index /* I Index of vector in first LSF codebook */ + opus_int16 ec_ix[], /* O Indices to entropy tales [ LPC_ORDER ] */ + opus_uint8 pred_Q8[], /* O LSF predictor [ LPC_ORDER ] */ + const silk_NLSF_CB_struct *psNLSF_CB, /* I Codebook object */ + const opus_int CB1_index /* I Index of vector in first LSF codebook */ ); /***********************/ /* NLSF vector decoder */ /***********************/ void silk_NLSF_decode( - opus_int16 *pNLSF_Q15, /* O Quantized NLSF vector [ LPC_ORDER ] */ - opus_int8 *NLSFIndices, /* I Codebook path vector [ LPC_ORDER + 1 ] */ - const silk_NLSF_CB_struct *psNLSF_CB /* I Codebook object */ + opus_int16 *pNLSF_Q15, /* O Quantized NLSF vector [ LPC_ORDER ] */ + opus_int8 *NLSFIndices, /* I Codebook path vector [ LPC_ORDER + 1 ] */ + const silk_NLSF_CB_struct *psNLSF_CB /* I Codebook object */ ); /****************************************************/ /* Decoder Functions */ /****************************************************/ -opus_int silk_create_decoder( - silk_decoder_state **ppsDec /* I/O Decoder state pointer pointer */ -); - -opus_int silk_free_decoder( - silk_decoder_state *psDec /* I/O Decoder state pointer */ -); - opus_int silk_init_decoder( - silk_decoder_state *psDec /* I/O Decoder state pointer */ + silk_decoder_state *psDec /* I/O Decoder state pointer */ ); /* Set decoder sampling rate */ opus_int silk_decoder_set_fs( - silk_decoder_state *psDec, /* I/O Decoder state pointer */ - opus_int fs_kHz, /* I Sampling frequency (kHz) */ - opus_int fs_API_Hz /* I API Sampling frequency (Hz) */ + silk_decoder_state *psDec, /* I/O Decoder state pointer */ + opus_int fs_kHz, /* I Sampling frequency (kHz) */ + opus_int fs_API_Hz /* I API Sampling frequency (Hz) */ ); /****************/ /* Decode frame */ /****************/ opus_int silk_decode_frame( - silk_decoder_state *psDec, /* I/O Pointer to Silk decoder state */ - ec_dec *psRangeDec, /* I/O Compressor data structure */ - opus_int16 pOut[], /* O Pointer to output speech frame */ - opus_int32 *pN, /* O Pointer to size of output frame */ - opus_int lostFlag, /* I 0: no loss, 1 loss, 2 decode fec */ - opus_int condCoding /* I The type of conditional coding to use */ -); - -/* Decode LBRR side info and excitation */ -void silk_LBRR_extract( - silk_decoder_state *psDec, /* I/O State */ - ec_dec *psRangeDec /* I/O Compressor data structure */ + silk_decoder_state *psDec, /* I/O Pointer to Silk decoder state */ + ec_dec *psRangeDec, /* I/O Compressor data structure */ + opus_int16 pOut[], /* O Pointer to output speech frame */ + opus_int32 *pN, /* O Pointer to size of output frame */ + opus_int lostFlag, /* I 0: no loss, 1 loss, 2 decode fec */ + opus_int condCoding /* I The type of conditional coding to use */ ); -/* Decode indices from payload v4 Bitstream */ +/* Decode indices from bitstream */ void silk_decode_indices( - silk_decoder_state *psDec, /* I/O State */ - ec_dec *psRangeDec, /* I/O Compressor data structure */ - opus_int FrameIndex, /* I Frame number */ - opus_int decode_LBRR, /* I Flag indicating LBRR data is being decoded */ - opus_int condCoding /* I The type of conditional coding to use */ + silk_decoder_state *psDec, /* I/O State */ + ec_dec *psRangeDec, /* I/O Compressor data structure */ + opus_int FrameIndex, /* I Frame number */ + opus_int decode_LBRR, /* I Flag indicating LBRR data is being decoded */ + opus_int condCoding /* I The type of conditional coding to use */ ); /* Decode parameters from payload */ void silk_decode_parameters( - silk_decoder_state *psDec, /* I/O State */ - silk_decoder_control *psDecCtrl, /* I/O Decoder control */ - opus_int condCoding /* I The type of conditional coding to use */ + silk_decoder_state *psDec, /* I/O State */ + silk_decoder_control *psDecCtrl, /* I/O Decoder control */ + opus_int condCoding /* I The type of conditional coding to use */ ); /* Core decoder. Performs inverse NSQ operation LTP + LPC */ void silk_decode_core( - silk_decoder_state *psDec, /* I/O Decoder state */ - silk_decoder_control *psDecCtrl, /* I Decoder control */ - opus_int16 xq[], /* O Decoded speech */ - const opus_int pulses[ MAX_FRAME_LENGTH ] /* I Pulse signal */ + silk_decoder_state *psDec, /* I/O Decoder state */ + silk_decoder_control *psDecCtrl, /* I Decoder control */ + opus_int16 xq[], /* O Decoded speech */ + const opus_int pulses[ MAX_FRAME_LENGTH ] /* I Pulse signal */ ); /* Decode quantization indices of excitation (Shell coding) */ void silk_decode_pulses( - ec_dec *psRangeDec, /* I/O Compressor data structure */ - opus_int pulses[], /* O Excitation signal */ - const opus_int signalType, /* I Sigtype */ - const opus_int quantOffsetType, /* I quantOffsetType */ - const opus_int frame_length /* I Frame length */ + ec_dec *psRangeDec, /* I/O Compressor data structure */ + opus_int pulses[], /* O Excitation signal */ + const opus_int signalType, /* I Sigtype */ + const opus_int quantOffsetType, /* I quantOffsetType */ + const opus_int frame_length /* I Frame length */ ); /******************/ @@ -433,24 +414,24 @@ void silk_decode_pulses( /* Reset CNG */ void silk_CNG_Reset( - silk_decoder_state *psDec /* I/O Decoder state */ + silk_decoder_state *psDec /* I/O Decoder state */ ); /* Updates CNG estimate, and applies the CNG when packet was lost */ void silk_CNG( - silk_decoder_state *psDec, /* I/O Decoder state */ - silk_decoder_control *psDecCtrl, /* I/O Decoder control */ - opus_int16 signal[], /* I/O Signal */ - opus_int length /* I Length of residual */ + silk_decoder_state *psDec, /* I/O Decoder state */ + silk_decoder_control *psDecCtrl, /* I/O Decoder control */ + opus_int16 frame[], /* I/O Signal */ + opus_int length /* I Length of residual */ ); /* Encoding of various parameters */ void silk_encode_indices( - silk_encoder_state *psEncC, /* I/O Encoder state */ - ec_enc *psRangeEnc, /* I/O Compressor data structure */ - opus_int FrameIndex, /* I Frame number */ - opus_int encode_LBRR, /* I Flag indicating LBRR data is being encoded */ - opus_int condCoding /* I The type of conditional coding to use */ + silk_encoder_state *psEncC, /* I/O Encoder state */ + ec_enc *psRangeEnc, /* I/O Compressor data structure */ + opus_int FrameIndex, /* I Frame number */ + opus_int encode_LBRR, /* I Flag indicating LBRR data is being encoded */ + opus_int condCoding /* I The type of conditional coding to use */ ); #endif |