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Basic optimizations of the Vorbis decoder for the ihp-1x0.

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Capable of real-time decoding with cpu freq at 120mhz.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6527 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Pedro Vasconcelos 2005-05-27 09:14:00 +00:00
parent 3841348930
commit 024db0a766
22 changed files with 428 additions and 107 deletions
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4
apps/codecs/Tremor/block.c
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@ -172,8 +172,12 @@ static int _vds_init(vorbis_dsp_state *v,vorbis_info *vi){
v->pcm_storage=ci->blocksizes[1];
v->pcm=(ogg_int32_t **)_ogg_malloc(vi->channels*sizeof(*v->pcm));
v->pcmret=(ogg_int32_t **)_ogg_malloc(vi->channels*sizeof(*v->pcmret));
// pbv: allow for extra padding for windowing
for(i=0;i<vi->channels;i++)
v->pcm[i]=(ogg_int32_t *)_ogg_calloc(v->pcm_storage,sizeof(*v->pcm[i]));
// v->pcm[i]=(ogg_int32_t *)_ogg_calloc(v->pcm_storage,sizeof(*v->pcm[i]));
/* all 1 (large block) or 0 (small block) */
/* explicitly set for the sake of clarity */