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| author | Pedro Vasconcelos <pbv@rockbox.org> | 2005-06-08 13:09:30 +0000 |
|---|---|---|
| committer | Pedro Vasconcelos <pbv@rockbox.org> | 2005-06-08 13:09:30 +0000 |
| commit | 0a3f8e0924aff1da89cd8e2d594fe76474da8524 (patch) | |
| tree | 323f33057877419d80609b4748a0c38b7632e940 /apps/codecs/Tremor/window_lookup.h | |
| parent | ead61c1d18281b025696d8851763d9d8f13997e0 (diff) | |
| download | rockbox-0a3f8e0924aff1da89cd8e2d594fe76474da8524.tar.gz rockbox-0a3f8e0924aff1da89cd8e2d594fe76474da8524.zip | |
Vorbis opts: keep floor1 lookup table in IRAM.
Slightly faster 16-bit clipping function.
Misc: changed tabs for spaces to conform with Rockbox coding standards.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6608 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/codecs/Tremor/window_lookup.h')
| -rw-r--r-- | apps/codecs/Tremor/window_lookup.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/apps/codecs/Tremor/window_lookup.h b/apps/codecs/Tremor/window_lookup.h index fdc099b741..71a413bcd5 100644 --- a/apps/codecs/Tremor/window_lookup.h +++ b/apps/codecs/Tremor/window_lookup.h @@ -18,8 +18,10 @@ #include "os_types.h" -/* keep small window tables in fast IRAM */ -static LOOKUP_T vwin64[32] IDATA_ATTR = { +/* Oggenc 1.1 seems to use exclusively windows sizes 256, 2048 + keep the most common sizes in fast IRAM; + because we have the available space also 128, 512 */ +static LOOKUP_T vwin64[32] = { X(0x001f0003), X(0x01168c98), X(0x030333c8), X(0x05dfe3a4), X(0x09a49562), X(0x0e45df18), X(0x13b47ef2), X(0x19dcf676), X(0x20a74d83), X(0x27f7137c), X(0x2fabb05a), X(0x37a1105a), @@ -151,7 +153,7 @@ static LOOKUP_T vwin512[256] IDATA_ATTR = { X(0x7ffffdcd), X(0x7fffff6d), X(0x7fffffed), X(0x7fffffff), }; -static LOOKUP_T vwin1024[512] IDATA_ATTR = { +static LOOKUP_T vwin1024[512] = { X(0x00001f02), X(0x0001170e), X(0x00030724), X(0x0005ef40), X(0x0009cf59), X(0x000ea767), X(0x0014775e), X(0x001b3f2e), X(0x0022fec8), X(0x002bb618), X(0x00356508), X(0x00400b81), @@ -541,8 +543,6 @@ static LOOKUP_T vwin2048[1024] IDATA_ATTR = { X(0x7ffffffe), X(0x7fffffff), X(0x7fffffff), X(0x7fffffff), }; -/* The remaining large window sizes are used only for very low - quality Vorbis files so we don't bother to put them in IRAM */ static LOOKUP_T vwin4096[2048] = { X(0x000001f0), X(0x00001171), X(0x00003072), X(0x00005ef5), X(0x00009cf8), X(0x0000ea7c), X(0x00014780), X(0x0001b405), |