summaryrefslogtreecommitdiff
path: root/apps/codecs/demac/libdemac/decoder.c
diff options
context:
space:
mode:
authorJens Arnold <amiconn@rockbox.org>2008-12-21 23:49:02 +0000
committerJens Arnold <amiconn@rockbox.org>2008-12-21 23:49:02 +0000
commitdca9f42cdf577f6ca0b2abde6680e495d2a3373a (patch)
tree994a21216ec011e365b16bd7157cd1bd218e2a42 /apps/codecs/demac/libdemac/decoder.c
parent9ea8840b29e778054db61caaef2433dbd51e865e (diff)
downloadrockbox-dca9f42cdf577f6ca0b2abde6680e495d2a3373a.zip
rockbox-dca9f42cdf577f6ca0b2abde6680e495d2a3373a.tar.gz
rockbox-dca9f42cdf577f6ca0b2abde6680e495d2a3373a.tar.bz2
rockbox-dca9f42cdf577f6ca0b2abde6680e495d2a3373a.tar.xz
Fix decoding of stereo frames with silence in only one channel. * Make the standalone decoder contain debugging information.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19552 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/codecs/demac/libdemac/decoder.c')
-rw-r--r--apps/codecs/demac/libdemac/decoder.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/apps/codecs/demac/libdemac/decoder.c b/apps/codecs/demac/libdemac/decoder.c
index 2200faf..0763c11 100644
--- a/apps/codecs/demac/libdemac/decoder.c
+++ b/apps/codecs/demac/libdemac/decoder.c
@@ -89,14 +89,17 @@ int ICODE_ATTR_DEMAC decode_chunk(struct ape_ctx_t* ape_ctx,
#else
#define SCALE(x) (x)
#endif
+
+ if ((ape_ctx->channels==1) || ((ape_ctx->frameflags
+ & (APE_FRAMECODE_PSEUDO_STEREO|APE_FRAMECODE_STEREO_SILENCE))
+ == APE_FRAMECODE_PSEUDO_STEREO)) {
- if ((ape_ctx->channels==1) || (ape_ctx->frameflags & APE_FRAMECODE_PSEUDO_STEREO)) {
- if (ape_ctx->frameflags & APE_FRAMECODE_STEREO_SILENCE) {
- entropy_decode(ape_ctx, inbuffer, firstbyte, bytesconsumed, decoded0, decoded1, count);
+ entropy_decode(ape_ctx, inbuffer, firstbyte, bytesconsumed,
+ decoded0, NULL, count);
+
+ if (ape_ctx->frameflags & APE_FRAMECODE_MONO_SILENCE) {
/* We are pure silence, so we're done. */
return 0;
- } else {
- entropy_decode(ape_ctx, inbuffer, firstbyte, bytesconsumed, decoded0, NULL, count);
}
switch (ape_ctx->compressiontype)
@@ -142,12 +145,14 @@ int ICODE_ATTR_DEMAC decode_chunk(struct ape_ctx_t* ape_ctx,
}
#endif
} else { /* Stereo */
- if (ape_ctx->frameflags & APE_FRAMECODE_STEREO_SILENCE) {
+ entropy_decode(ape_ctx, inbuffer, firstbyte, bytesconsumed,
+ decoded0, decoded1, count);
+
+ if ((ape_ctx->frameflags & APE_FRAMECODE_STEREO_SILENCE)
+ == APE_FRAMECODE_STEREO_SILENCE) {
/* We are pure silence, so we're done. */
return 0;
}
-
- entropy_decode(ape_ctx, inbuffer, firstbyte, bytesconsumed, decoded0, decoded1, count);
/* Apply filters - compression type 1000 doesn't have any */
switch (ape_ctx->compressiontype)