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maxdepth is supposed to be a constant, its faster if its too large then if its non constant

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Originally committed as revision 4324 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2005-05-30 19:14:50 +00:00
parent 5cad192d50
commit 9a9d530126
1 changed files with 7 additions and 7 deletions
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14
libavcodec/vorbis.c
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@ -898,7 +898,7 @@ static uint_fast8_t vorbis_floor1_decode(vorbis_context *vc, vorbis_floor *vf, f
if (cbits) { // this reads all subclasses for this partition's class
cval=get_vlc2(gb, vc->codebooks[vf->class_masterbook[class_]].vlc.table,
V_NB_BITS, vc->codebooks[vf->class_masterbook[class_]].maxdepth);
V_NB_BITS, 3);
}
for(j=0;j<cdim;++j) {
@ -909,7 +909,7 @@ static uint_fast8_t vorbis_floor1_decode(vorbis_context *vc, vorbis_floor *vf, f
cval=cval>>cbits;
if (book>0) {
floor1_Y[offset+j]=get_vlc2(gb, vc->codebooks[book].vlc.table,
V_NB_BITS, vc->codebooks[book].maxdepth);
V_NB_BITS, 3);
} else {
floor1_Y[offset+j]=0;
}
@ -1095,7 +1095,7 @@ static int vorbis_residue_decode(vorbis_context *vc, vorbis_residue *vr, uint_fa
for(j_times_ptns_to_read=0, j=0;j<ch_used;++j) {
if (!do_not_decode[j]) {
uint_fast32_t temp=get_vlc2(gb, vc->codebooks[vr->classbook].vlc.table,
V_NB_BITS, vc->codebooks[vr->classbook].maxdepth);
V_NB_BITS, 3);
AV_DEBUG("Classword: %d \n", temp);
@ -1127,7 +1127,7 @@ static int vorbis_residue_decode(vorbis_context *vc, vorbis_residue *vr, uint_fa
voffs=voffset+j*vlen;
for(k=0;k<step;++k) {
coffs=get_vlc2(gb, vc->codebooks[vqbook].vlc.table,
V_NB_BITS, vc->codebooks[vr->classbook].maxdepth) * vc->codebooks[vqbook].dimensions;
V_NB_BITS, 3) * vc->codebooks[vqbook].dimensions;
for(l=0;l<vc->codebooks[vqbook].dimensions;++l) {
vec[voffs+k+l*step]+=vc->codebooks[vqbook].codevectors[coffs+l]; // FPMATH
}
@ -1137,7 +1137,7 @@ static int vorbis_residue_decode(vorbis_context *vc, vorbis_residue *vr, uint_fa
voffs=voffset+j*vlen;
for(k=0;k<vr->partition_size/vc->codebooks[vqbook].dimensions;++k) {
coffs=get_vlc2(gb, vc->codebooks[vqbook].vlc.table,
V_NB_BITS, vc->codebooks[vr->classbook].maxdepth) * vc->codebooks[vqbook].dimensions;
V_NB_BITS, 3) * vc->codebooks[vqbook].dimensions;
for(l=0;l<vc->codebooks[vqbook].dimensions;++l, ++voffs) {
vec[voffs]+=vc->codebooks[vqbook].codevectors[coffs+l]; // FPMATH
@ -1150,7 +1150,7 @@ static int vorbis_residue_decode(vorbis_context *vc, vorbis_residue *vr, uint_fa
for(k=0;k<vr->partition_size/vc->codebooks[vqbook].dimensions;++k) {
coffs=get_vlc2(gb, vc->codebooks[vqbook].vlc.table,
V_NB_BITS, vc->codebooks[vr->classbook].maxdepth) * vc->codebooks[vqbook].dimensions;
V_NB_BITS, 3) * vc->codebooks[vqbook].dimensions;
for(l=0;l<vc->codebooks[vqbook].dimensions;++l, ++voffs) {
vec[(voffs>>1)+((voffs&1) ? vlen : 0)]+=vc->codebooks[vqbook].codevectors[coffs+l]; // FPMATH
@ -1164,7 +1164,7 @@ static int vorbis_residue_decode(vorbis_context *vc, vorbis_residue *vr, uint_fa
for(k=0;k<vr->partition_size/vc->codebooks[vqbook].dimensions;++k) {
coffs=get_vlc2(gb, vc->codebooks[vqbook].vlc.table,
V_NB_BITS, vc->codebooks[vr->classbook].maxdepth) * vc->codebooks[vqbook].dimensions;
V_NB_BITS, 3) * vc->codebooks[vqbook].dimensions;
for(l=0;l<vc->codebooks[vqbook].dimensions;++l, ++voffs) {
vec[voffs/ch+(voffs%ch)*vlen]+=vc->codebooks[vqbook].codevectors[coffs+l]; // FPMATH FIXME use if and counter instead of / and %