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| author | Andree Buschmann <AndreeBuschmann@t-online.de> | 2008-06-10 06:11:50 +0000 |
|---|---|---|
| committer | Andree Buschmann <AndreeBuschmann@t-online.de> | 2008-06-10 06:11:50 +0000 |
| commit | f52696ef8a6e46b8379a0b2bc3d0661df3f9312e (patch) | |
| tree | 04ff47eae747793a8d3537ecb1416fc9b6f9f67a /apps/codecs/mpc.c | |
| parent | 50763d512cfac64f39e412879d0cf1820635109a (diff) | |
| download | rockbox-f52696ef8a6e46b8379a0b2bc3d0661df3f9312e.tar.gz rockbox-f52696ef8a6e46b8379a0b2bc3d0661df3f9312e.zip | |
Correct DSP_SET_SAMPLE_DEPTH to 29 for mpc (18.14 fixed point samples). Higher precision for fast 32x32=32 multiplication in dewindowing part of synthesis filter.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17708 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/codecs/mpc.c')
| -rw-r--r-- | apps/codecs/mpc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/apps/codecs/mpc.c b/apps/codecs/mpc.c index 79264d3bfc..bdf675d169 100644 --- a/apps/codecs/mpc.c +++ b/apps/codecs/mpc.c | |||
| @@ -76,7 +76,9 @@ enum codec_status codec_main(void) | |||
| 76 | mpc_streaminfo info; | 76 | mpc_streaminfo info; |
| 77 | int retval = CODEC_OK; | 77 | int retval = CODEC_OK; |
| 78 | 78 | ||
| 79 | ci->configure(DSP_SET_SAMPLE_DEPTH, 28); | 79 | /* musepack's sample representation is 18.14 |
| 80 | * DSP_SET_SAMPLE_DEPTH = 14 (FRACT) + 16 (NATIVE) - 1 (SIGN) = 29 */ | ||
| 81 | ci->configure(DSP_SET_SAMPLE_DEPTH, 29); | ||
| 80 | 82 | ||
| 81 | /* Create a decoder instance */ | 83 | /* Create a decoder instance */ |
| 82 | reader.read = read_impl; | 84 | reader.read = read_impl; |