From f52696ef8a6e46b8379a0b2bc3d0661df3f9312e Mon Sep 17 00:00:00 2001 From: Andree Buschmann Date: Tue, 10 Jun 2008 06:11:50 +0000 Subject: 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 --- apps/codecs/mpc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'apps/codecs/mpc.c') 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) mpc_streaminfo info; int retval = CODEC_OK; - ci->configure(DSP_SET_SAMPLE_DEPTH, 28); + /* musepack's sample representation is 18.14 + * DSP_SET_SAMPLE_DEPTH = 14 (FRACT) + 16 (NATIVE) - 1 (SIGN) = 29 */ + ci->configure(DSP_SET_SAMPLE_DEPTH, 29); /* Create a decoder instance */ reader.read = read_impl; -- cgit v1.2.3