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author | Pedro Vasconcelos <pbv@rockbox.org> | 2005-06-06 23:01:51 +0000 |
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committer | Pedro Vasconcelos <pbv@rockbox.org> | 2005-06-06 23:01:51 +0000 |
commit | 0f10e898f0040e30f0a23719e67223744c47f90d (patch) | |
tree | 5283879581de1eb29fdb6e2c2838f9e152ea693b /apps/codecs/Tremor/res012.c | |
parent | 127f14210fb632e069ac6c8891cf28d01bf79e2f (diff) | |
download | rockbox-0f10e898f0040e30f0a23719e67223744c47f90d.tar.gz rockbox-0f10e898f0040e30f0a23719e67223744c47f90d.zip |
Vorbis optimizations: allocation of PCM buffers in IRAM, avoiding copying.
Slight code improvements to the MDCT functions.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6590 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/codecs/Tremor/res012.c')
-rw-r--r-- | apps/codecs/Tremor/res012.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/apps/codecs/Tremor/res012.c b/apps/codecs/Tremor/res012.c index 3d69cee73b..66947ffe7e 100644 --- a/apps/codecs/Tremor/res012.c +++ b/apps/codecs/Tremor/res012.c | |||
@@ -172,6 +172,7 @@ vorbis_look_residue *res0_look(vorbis_dsp_state *vd,vorbis_info_mode *vm, | |||
172 | return(look); | 172 | return(look); |
173 | } | 173 | } |
174 | 174 | ||
175 | #define CHANNELS 2 | ||
175 | 176 | ||
176 | /* a truncated packet here just means 'stop working'; it's not an error */ | 177 | /* a truncated packet here just means 'stop working'; it's not an error */ |
177 | static int _01inverse(vorbis_block *vb,vorbis_look_residue *vl, | 178 | static int _01inverse(vorbis_block *vb,vorbis_look_residue *vl, |
@@ -254,6 +255,8 @@ int res1_inverse(vorbis_block *vb,vorbis_look_residue *vl, | |||
254 | return(0); | 255 | return(0); |
255 | } | 256 | } |
256 | 257 | ||
258 | |||
259 | |||
257 | /* duplicate code here as speed is somewhat more important */ | 260 | /* duplicate code here as speed is somewhat more important */ |
258 | int res2_inverse(vorbis_block *vb,vorbis_look_residue *vl, | 261 | int res2_inverse(vorbis_block *vb,vorbis_look_residue *vl, |
259 | ogg_int32_t **in,int *nonzero,int ch){ | 262 | ogg_int32_t **in,int *nonzero,int ch){ |
@@ -291,7 +294,6 @@ int res2_inverse(vorbis_block *vb,vorbis_look_residue *vl, | |||
291 | for(k=0;k<partitions_per_word && i<partvals;k++,i++) | 294 | for(k=0;k<partitions_per_word && i<partvals;k++,i++) |
292 | if(info->secondstages[partword[l][k]]&(1<<s)){ | 295 | if(info->secondstages[partword[l][k]]&(1<<s)){ |
293 | codebook *stagebook=look->partbooks[partword[l][k]][s]; | 296 | codebook *stagebook=look->partbooks[partword[l][k]][s]; |
294 | |||
295 | if(stagebook){ | 297 | if(stagebook){ |
296 | if(vorbis_book_decodevv_add(stagebook,in, | 298 | if(vorbis_book_decodevv_add(stagebook,in, |
297 | i*samples_per_partition+beginoff,ch, | 299 | i*samples_per_partition+beginoff,ch, |