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| author | Andree Buschmann <AndreeBuschmann@t-online.de> | 2008-05-14 19:49:01 +0000 |
|---|---|---|
| committer | Andree Buschmann <AndreeBuschmann@t-online.de> | 2008-05-14 19:49:01 +0000 |
| commit | 14698f5a20fe67606df35ccf279b02c81f4959d5 (patch) | |
| tree | 26d7d06a500b7fd82003401333fd4ca06ac83fba /apps/codecs/libmusepack/musepack.h | |
| parent | 77087eba4ec1e35a7a0e0804cbb167118abac2ea (diff) | |
| download | rockbox-14698f5a20fe67606df35ccf279b02c81f4959d5.zip rockbox-14698f5a20fe67606df35ccf279b02c81f4959d5.tar.gz rockbox-14698f5a20fe67606df35ccf279b02c81f4959d5.tar.bz2 rockbox-14698f5a20fe67606df35ccf279b02c81f4959d5.tar.xz | |
Musepack performance optimization for PP5022/PP5024/MCF5250 targets. Use IRAM for internal sample buffers and lookup tables. Speeds up decoding by ~7% on PP5022/PP5024 (Sansa: c200, e200 + iPod mini2G, nano, video) and by ~27% on MCF5250 (iaudio m5, x5).
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17507 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/codecs/libmusepack/musepack.h')
| -rw-r--r-- | apps/codecs/libmusepack/musepack.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/apps/codecs/libmusepack/musepack.h b/apps/codecs/libmusepack/musepack.h index 8233f21..5d1ad0d 100644 --- a/apps/codecs/libmusepack/musepack.h +++ b/apps/codecs/libmusepack/musepack.h @@ -56,6 +56,16 @@ extern "C" { #define IBSS_ATTR_MPC_SAMPLE_BUF IBSS_ATTR #endif +#ifndef IBSS_ATTR_MPC_LARGE_IRAM +#if (CONFIG_CPU == PP5022) || (CONFIG_CPU == PP5024) || (CONFIG_CPU == MCF5250) +/* PP5022/24 and MCF5250 have 128KB of IRAM */ +#define IBSS_ATTR_MPC_LARGE_IRAM IBSS_ATTR +#else +/* other PP's and MCF5249 have 96KB of IRAM */ +#define IBSS_ATTR_MPC_LARGE_IRAM +#endif +#endif + #ifdef ROCKBOX_LITTLE_ENDIAN #define MPC_LITTLE_ENDIAN #endif |