diff options
Diffstat (limited to 'pjmedia/src/pjmedia-codec/speex/ltp.h')
| -rw-r--r-- | pjmedia/src/pjmedia-codec/speex/ltp.h | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/pjmedia/src/pjmedia-codec/speex/ltp.h b/pjmedia/src/pjmedia-codec/speex/ltp.h index 36debbdd..bc050c63 100644 --- a/pjmedia/src/pjmedia-codec/speex/ltp.h +++ b/pjmedia/src/pjmedia-codec/speex/ltp.h @@ -48,13 +48,16 @@ typedef struct { #define gain_3tap_to_1tap(g) (ABS(g[1]) + (g[0]>0 ? g[0] : -.5*g[0]) + (g[2]>0 ? g[2] : -.5*g[2])) #endif -void open_loop_nbest_pitch(spx_sig_t *sw, int start, int end, int len, int *pitch, spx_word16_t *gain, int N, char *stack); +spx_word32_t inner_prod(const spx_word16_t *x, const spx_word16_t *y, int len); +void pitch_xcorr(const spx_word16_t *_x, const spx_word16_t *_y, spx_word32_t *corr, int len, int nb_pitch, char *stack); + +void open_loop_nbest_pitch(spx_word16_t *sw, int start, int end, int len, int *pitch, spx_word16_t *gain, int N, char *stack); /** Finds the best quantized 3-tap pitch predictor by analysis by synthesis */ int pitch_search_3tap( -spx_sig_t target[], /* Target vector */ -spx_sig_t *sw, +spx_word16_t target[], /* Target vector */ +spx_word16_t *sw, spx_coef_t ak[], /* LPCs for this subframe */ spx_coef_t awk1[], /* Weighted LPCs #1 for this subframe */ spx_coef_t awk2[], /* Weighted LPCs #2 for this subframe */ @@ -67,19 +70,21 @@ int p, /* Number of LPC coeffs */ int nsf, /* Number of samples in subframe */ SpeexBits *bits, char *stack, -spx_sig_t *exc2, +spx_word16_t *exc2, spx_word16_t *r, int complexity, int cdbk_offset, -int plc_tuning +int plc_tuning, +spx_word32_t *cumul_gain ); /*Unquantize adaptive codebook and update pitch contribution*/ void pitch_unquant_3tap( -spx_sig_t exc[], /* Excitation */ +spx_word16_t exc[], /* Input excitation */ +spx_word32_t exc_out[], /* Output excitation */ int start, /* Smallest pitch value allowed */ int end, /* Largest pitch value allowed */ -spx_word16_t pitch_coef, /* Voicing (pitch) coefficient */ +spx_word16_t pitch_coef, /* Voicing (pitch) coefficient */ const void *par, int nsf, /* Number of samples in subframe */ int *pitch_val, @@ -94,8 +99,8 @@ int cdbk_offset /** Forced pitch delay and gain */ int forced_pitch_quant( -spx_sig_t target[], /* Target vector */ -spx_sig_t *sw, +spx_word16_t target[], /* Target vector */ +spx_word16_t *sw, spx_coef_t ak[], /* LPCs for this subframe */ spx_coef_t awk1[], /* Weighted LPCs #1 for this subframe */ spx_coef_t awk2[], /* Weighted LPCs #2 for this subframe */ @@ -108,19 +113,21 @@ int p, /* Number of LPC coeffs */ int nsf, /* Number of samples in subframe */ SpeexBits *bits, char *stack, -spx_sig_t *exc2, +spx_word16_t *exc2, spx_word16_t *r, int complexity, int cdbk_offset, -int plc_tuning +int plc_tuning, +spx_word32_t *cumul_gain ); /** Unquantize forced pitch delay and gain */ void forced_pitch_unquant( -spx_sig_t exc[], /* Excitation */ +spx_word16_t exc[], /* Input excitation */ +spx_word32_t exc_out[], /* Output excitation */ int start, /* Smallest pitch value allowed */ int end, /* Largest pitch value allowed */ -spx_word16_t pitch_coef, /* Voicing (pitch) coefficient */ +spx_word16_t pitch_coef, /* Voicing (pitch) coefficient */ const void *par, int nsf, /* Number of samples in subframe */ int *pitch_val, |