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FS #6848 - fast vector operations for ARM in Tremor.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12902 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Tomasz Malesinski 2007-03-24 13:45:54 +00:00
parent 467651ae76
commit 25046aac17
5 changed files with 168 additions and 59 deletions
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43
apps/codecs/Tremor/block.c
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@ -262,11 +262,7 @@ int vorbis_synthesis_blockin(vorbis_dsp_state *v,vorbis_block *vb){
vorbis_info *vi=v->vi;
codec_setup_info *ci=(codec_setup_info *)vi->codec_setup;
private_state *b=v->backend_state;
#ifdef CPU_COLDFIRE
int j;
#else
int i,j;
#endif
if(v->pcm_current>v->pcm_returned && v->pcm_returned!=-1)return(OV_EINVAL);
@ -312,47 +308,25 @@ int vorbis_synthesis_blockin(vorbis_dsp_state *v,vorbis_block *vb){
/* large/large */
ogg_int32_t *pcm=v->pcm[j]+prevCenter;
ogg_int32_t *p=vb->pcm[j];
#ifdef CPU_COLDFIRE
mcf5249_vect_add(pcm, p, n1);
#else
for(i=0;i<n1;i++)
pcm[i]+=p[i];
#endif
vect_add(pcm, p, n1);
}else{
/* large/small */
ogg_int32_t *pcm=v->pcm[j]+prevCenter+n1/2-n0/2;
ogg_int32_t *p=vb->pcm[j];
#ifdef CPU_COLDFIRE
mcf5249_vect_add(pcm, p, n0);
#else
for(i=0;i<n0;i++)
pcm[i]+=p[i];
#endif
vect_add(pcm, p, n0);
}
}else{
if(v->W){
/* small/large */
ogg_int32_t *pcm=v->pcm[j]+prevCenter;
ogg_int32_t *p=vb->pcm[j]+n1/2-n0/2;
#ifdef CPU_COLDFIRE
mcf5249_vect_add(pcm, p, n0);
mcf5249_vect_copy(&pcm[n0], &p[n0], n1/2-n0/2);
#else
for(i=0;i<n0;i++)
pcm[i]+=p[i];
for(;i<n1/2+n0/2;i++)
pcm[i]=p[i];
#endif
vect_add(pcm, p, n0);
vect_copy(&pcm[n0], &p[n0], n1/2-n0/2);
}else{
/* small/small */
ogg_int32_t *pcm=v->pcm[j]+prevCenter;
ogg_int32_t *p=vb->pcm[j];
#ifdef CPU_COLDFIRE
mcf5249_vect_add(pcm, p, n0);
#else
for(i=0;i<n0;i++)
pcm[i]+=p[i];
#endif
vect_add(pcm, p, n0);
}
}
@ -360,12 +334,7 @@ int vorbis_synthesis_blockin(vorbis_dsp_state *v,vorbis_block *vb){
{
ogg_int32_t *pcm=v->pcm[j]+thisCenter;
ogg_int32_t *p=vb->pcm[j]+n;
#ifdef CPU_COLDFIRE
mcf5249_vect_copy(pcm, p, n);
#else
for(i=0;i<n;i++)
pcm[i]=p[i];
#endif
vect_copy(pcm, p, n);
}
}