Author: titmuss
Date: Mon Jan 5 01:51:50 2009
New Revision: 3666
URL: http://svn.slimdevices.com?rev=3666&root=Jive&view=rev
Log:
Bug: N/A
Description:
Fix wav playback, removing static.
Modified:
7.3/trunk/squeezeplay/src/squeezeplay/src/audio/decode/decode_pcm.c
Modified: 7.3/trunk/squeezeplay/src/squeezeplay/src/audio/decode/decode_pcm.c
URL:
http://svn.slimdevices.com/7.3/trunk/squeezeplay/src/squeezeplay/src/audio/decode/decode_pcm.c?rev=3666&root=Jive&r1=3665&r2=3666&view=diff
==============================================================================
--- 7.3/trunk/squeezeplay/src/squeezeplay/src/audio/decode/decode_pcm.c
(original)
+++ 7.3/trunk/squeezeplay/src/squeezeplay/src/audio/decode/decode_pcm.c Mon Jan
5 01:51:50 2009
@@ -40,106 +40,35 @@
static sample_t pcm_read8bitBE(u8_t *pos) {
- sample_t sample;
- struct { s32_t sign_extend:8; } s;
-
- /* XXXX: REVIEW */
-
- sample = *pos;
-
- sample = s.sign_extend = sample;
- return sample << 24;
+ return (sample_t) (*pos << 24);
}
-
static sample_t pcm_read8bitLE(u8_t *pos) {
- sample_t sample;
- struct { s32_t sign_extend:8; } s;
-
- /* XXXX: REVIEW */
-
- sample = *pos;
-
- sample = s.sign_extend = sample;
- return sample << 24;
+ return (sample_t) (*pos << 24);
}
-
static sample_t pcm_read16bitBE(u8_t *pos) {
- sample_t sample;
- struct { s32_t sign_extend:16; } s;
-
- /* XXXX: REVIEW */
-
- sample = *pos++ << 8;
- sample = *pos;
-
- sample = s.sign_extend = sample;
- return sample << 16;
+ return (sample_t) (*pos << 24) | (*++pos << 16);
}
-
static sample_t pcm_read16bitLE(u8_t *pos) {
- sample_t sample;
- struct { s32_t sign_extend:16; } s;
-
- sample = *pos++;
- sample = *pos << 8;
-
- sample = s.sign_extend = sample;
- return sample << 16;
+ return (sample_t) (*pos << 16) | (*++pos << 24);
}
-
-static sample_t pcm_read24bitBE(u8_t *pos) {
- sample_t sample;
- struct { s32_t sign_extend:24; } s;
-
- /* XXXX: REVIEW */
-
- sample = *pos++ << 16;
- sample |= *pos++ << 8;
- sample |= *pos;
-
- sample = s.sign_extend = sample;
- return sample << 8;
+static sample_t pcm_read24bitBE(u8_t *pos) {
+ return (sample_t) (*pos << 24) | (*++pos << 16) | (*++pos << 8);
}
-
-static sample_t pcm_read24bitLE(u8_t *pos) {
- sample_t sample;
- struct { s32_t sign_extend:24; } s;
-
- sample = *pos++;
- sample |= *pos++ << 8;
- sample |= *pos << 16;
-
- sample = s.sign_extend = sample;
- return sample << 8;
+static sample_t pcm_read24bitLE(u8_t *pos) {
+ return (sample_t) (*pos << 8) | (*++pos << 16) | (*++pos << 24);
}
-
-static sample_t pcm_read32bitBE(u8_t *pos) {
- sample_t sample;
- struct { s32_t sign_extend:32; } s;
-
- /* XXXX: REVIEW */
-
- sample = *pos++ << 24;
- sample |= *pos++ << 16;
- sample |= *pos++ << 8;
- sample |= *pos;
-
- sample = s.sign_extend = sample;
- return sample;
+static sample_t pcm_read32bitBE(u8_t *pos) {
+ return (sample_t) (*pos << 24) | (*++pos << 16) | (*++pos << 8) |
(*++pos);
}
-
static sample_t pcm_read32bitLE(u8_t *pos) {
- sample_t sample;
-
- sample = *((s32_t *)(void *)pos);
- return sample;
+ return *((sample_t *)(void *)pos);
}
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