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| author | Timothy B. Terriberry <tterribe@xiph.org> | 2013-11-18 13:30:13 -0500 |
|---|---|---|
| committer | Jean-Marc Valin <jmvalin@jmvalin.ca> | 2013-11-18 13:41:17 -0500 |
| commit | 39386e0b85ec0f978aa104d312604badb9047d58 (patch) | |
| tree | e1171628bb638ec1b770b049e39609d7a268c584 /celt/pitch.c | |
| parent | 530198f955e49571b3f890b4da4d933a4cd5df4e (diff) | |
| download | libopus-39386e0b85ec0f978aa104d312604badb9047d58.tar.gz | |
Adds Neon assembly for correlation/convolution
Optimizing celt_pitch_xcorr()/xcorr_kernel() which also speeds up
FIRs, IIRs and auto-correlations
Signed-off-by: Jean-Marc Valin <jmvalin@jmvalin.ca>
Diffstat (limited to 'celt/pitch.c')
| -rw-r--r-- | celt/pitch.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/celt/pitch.c b/celt/pitch.c index 0352b302..2d63a5ac 100644 --- a/celt/pitch.c +++ b/celt/pitch.c @@ -145,7 +145,7 @@ static void celt_fir5(const opus_val16 *x, void pitch_downsample(celt_sig * OPUS_RESTRICT x[], opus_val16 * OPUS_RESTRICT x_lp, - int len, int C) + int len, int C, int arch) { int i; opus_val32 ac[5]; @@ -180,7 +180,7 @@ void pitch_downsample(celt_sig * OPUS_RESTRICT x[], opus_val16 * OPUS_RESTRICT x } _celt_autocorr(x_lp, ac, NULL, 0, - 4, len>>1); + 4, len>>1, arch); /* Noise floor -40 dB */ #ifdef FIXED_POINT @@ -250,7 +250,7 @@ opus_val32 #else void #endif -celt_pitch_xcorr(const opus_val16 *_x, const opus_val16 *_y, opus_val32 *xcorr, int len, int max_pitch) +celt_pitch_xcorr_c(const opus_val16 *_x, const opus_val16 *_y, opus_val32 *xcorr, int len, int max_pitch) { int i,j; #ifdef FIXED_POINT @@ -289,7 +289,7 @@ celt_pitch_xcorr(const opus_val16 *_x, const opus_val16 *_y, opus_val32 *xcorr, #endif void pitch_search(const opus_val16 * OPUS_RESTRICT x_lp, opus_val16 * OPUS_RESTRICT y, - int len, int max_pitch, int *pitch) + int len, int max_pitch, int *pitch, int arch) { int i, j; int lag; @@ -342,7 +342,7 @@ void pitch_search(const opus_val16 * OPUS_RESTRICT x_lp, opus_val16 * OPUS_RESTR #ifdef FIXED_POINT maxcorr = #endif - celt_pitch_xcorr(x_lp4, y_lp4, xcorr, len>>2, max_pitch>>2); + celt_pitch_xcorr(x_lp4, y_lp4, xcorr, len>>2, max_pitch>>2, arch); find_best_pitch(xcorr, y_lp4, len>>2, max_pitch>>2, best_pitch #ifdef FIXED_POINT |