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| author | Thom Johansen <thomj@rockbox.org> | 2007-10-24 22:39:08 +0000 |
|---|---|---|
| committer | Thom Johansen <thomj@rockbox.org> | 2007-10-24 22:39:08 +0000 |
| commit | cd9fc7a2b95204f0169e20409583278a13fe1ded (patch) | |
| tree | 23f66a76141a583b747785d16a891691c5358916 /apps/codecs/libspeex/filters.c | |
| parent | fb709522283bfb7558bf2b824a4143a919d59e97 (diff) | |
Coldfire assembler version of qmf_synth(). Wideband and ultra-wideband Speex files should see a great speedup. Also add faster and symmetric clipping in iir_mem16().
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15292 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/codecs/libspeex/filters.c')
| -rw-r--r-- | apps/codecs/libspeex/filters.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/apps/codecs/libspeex/filters.c b/apps/codecs/libspeex/filters.c index 02f93a27b1..e64f087a5d 100644 --- a/apps/codecs/libspeex/filters.c +++ b/apps/codecs/libspeex/filters.c @@ -47,6 +47,7 @@ #include "filters_arm4.h" #elif defined (COLDFIRE_ASM) #define OVERRIDE_IIR_MEM16 +#define OVERRIDE_QMF_SYNTH #elif defined (BFIN_ASM) #include "filters_bfin.h" #endif @@ -475,6 +476,7 @@ void qmf_decomp(const spx_word16_t *xx, const spx_word16_t *aa, spx_word16_t *y1 } } +#ifndef OVERRIDE_QMF_SYNTH /* Re-synthesised a signal from the QMF low-band and high-band signals */ void qmf_synth(const spx_word16_t *x1, const spx_word16_t *x2, const spx_word16_t *a, spx_word16_t *y, int N, int M, spx_word32_t *mem1, spx_word32_t *mem2, char *stack) /* assumptions: @@ -566,6 +568,7 @@ void qmf_synth(const spx_word16_t *x1, const spx_word16_t *x2, const spx_word16_ for (i = 0; i < M2; i++) mem2[2*i+1] = xx2[i]; } +#endif #ifdef FIXED_POINT #if 0 |