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| author | Dave Hooper <dave@beermex.com> | 2010-02-21 21:14:40 +0000 |
|---|---|---|
| committer | Dave Hooper <dave@beermex.com> | 2010-02-21 21:14:40 +0000 |
| commit | 3c52395b570d5abc394b5a1320d642057e6f4174 (patch) | |
| tree | e23bd14af0f37a591fa960a60b436fa3f0a8c1fa /apps/codecs/lib/codeclib.h | |
| parent | 8aae18b3cce0412c4beeae6fdf95fe190df6ea25 (diff) | |
| download | rockbox-3c52395b570d5abc394b5a1320d642057e6f4174.tar.gz rockbox-3c52395b570d5abc394b5a1320d642057e6f4174.zip | |
Get a few more % speedup on ARM (measured on ipod video) - improve imdct full final symmetries using ldm/stm and simple register swapping. Also, add more comments (and improve/update some of the existing ones) regarding the layout of the imdct_half and the imdct_full
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24819 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/codecs/lib/codeclib.h')
| -rw-r--r-- | apps/codecs/lib/codeclib.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/apps/codecs/lib/codeclib.h b/apps/codecs/lib/codeclib.h index 817d86a6a3..32a4696b9d 100644 --- a/apps/codecs/lib/codeclib.h +++ b/apps/codecs/lib/codeclib.h | |||
| @@ -65,7 +65,7 @@ void qsort(void *base, size_t nmemb, size_t size, int(*compar)(const void *, con | |||
| 65 | 65 | ||
| 66 | /*MDCT library functions*/ | 66 | /*MDCT library functions*/ |
| 67 | /* -1- Tremor mdct */ | 67 | /* -1- Tremor mdct */ |
| 68 | extern void mdct_backward(int n, int32_t *in, int32_t *out); | 68 | /* extern void mdct_backward(int n, int32_t *in, int32_t *out); */ |
| 69 | /* -2- ffmpeg fft-based mdct */ | 69 | /* -2- ffmpeg fft-based mdct */ |
| 70 | extern void ff_imdct_half(unsigned int nbits, int32_t *output, const int32_t *input); | 70 | extern void ff_imdct_half(unsigned int nbits, int32_t *output, const int32_t *input); |
| 71 | extern void ff_imdct_calc(unsigned int nbits, int32_t *output, const int32_t *input); | 71 | extern void ff_imdct_calc(unsigned int nbits, int32_t *output, const int32_t *input); |