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| author | Nils Wallménius <nils@rockbox.org> | 2010-03-05 09:48:07 +0000 |
|---|---|---|
| committer | Nils Wallménius <nils@rockbox.org> | 2010-03-05 09:48:07 +0000 |
| commit | b382d8334bcfff7fe49ba3ab850b069a6fd95505 (patch) | |
| tree | 68b47fc848036894d73063a2ad17f81ad6c45cca /apps/codecs/libtremor/codebook.c | |
| parent | 3c878249705755d1dfb6c5320302f1670dd87a67 (diff) | |
| download | rockbox-b382d8334bcfff7fe49ba3ab850b069a6fd95505.zip rockbox-b382d8334bcfff7fe49ba3ab850b069a6fd95505.tar.gz rockbox-b382d8334bcfff7fe49ba3ab850b069a6fd95505.tar.bz2 rockbox-b382d8334bcfff7fe49ba3ab850b069a6fd95505.tar.xz | |
Fix broken whitespace after r24862
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25031 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/codecs/libtremor/codebook.c')
| -rw-r--r-- | apps/codecs/libtremor/codebook.c | 214 |
1 files changed, 105 insertions, 109 deletions
diff --git a/apps/codecs/libtremor/codebook.c b/apps/codecs/libtremor/codebook.c index 6ed6a08..8d34b6d 100644 --- a/apps/codecs/libtremor/codebook.c +++ b/apps/codecs/libtremor/codebook.c @@ -49,19 +49,19 @@ int vorbis_staticbook_unpack(oggpack_buffer *opb,static_codebook *s){ /* yes, unused entries */ for(i=0;i<s->entries;i++){ - if(oggpack_read(opb,1)){ - long num=oggpack_read(opb,5); - if(num==-1)goto _eofout; - s->lengthlist[i]=num+1; - }else - s->lengthlist[i]=0; + if(oggpack_read(opb,1)){ + long num=oggpack_read(opb,5); + if(num==-1)goto _eofout; + s->lengthlist[i]=num+1; + }else + s->lengthlist[i]=0; } }else{ /* all entries used; no tagging */ for(i=0;i<s->entries;i++){ - long num=oggpack_read(opb,5); - if(num==-1)goto _eofout; - s->lengthlist[i]=num+1; + long num=oggpack_read(opb,5); + if(num==-1)goto _eofout; + s->lengthlist[i]=num+1; } } @@ -73,11 +73,11 @@ int vorbis_staticbook_unpack(oggpack_buffer *opb,static_codebook *s){ s->lengthlist=(long *)_ogg_malloc(sizeof(*s->lengthlist)*s->entries); for(i=0;i<s->entries;){ - long num=oggpack_read(opb,_ilog(s->entries-i)); - if(num==-1)goto _eofout; - for(j=0;j<num && i<s->entries;j++,i++) - s->lengthlist[i]=length; - length++; + long num=oggpack_read(opb,_ilog(s->entries-i)); + if(num==-1)goto _eofout; + for(j=0;j<num && i<s->entries;j++,i++) + s->lengthlist[i]=length; + length++; } } break; @@ -104,17 +104,17 @@ int vorbis_staticbook_unpack(oggpack_buffer *opb,static_codebook *s){ int quantvals=0; switch(s->maptype){ case 1: - quantvals=_book_maptype1_quantvals(s); - break; + quantvals=_book_maptype1_quantvals(s); + break; case 2: - quantvals=s->entries*s->dim; - break; + quantvals=s->entries*s->dim; + break; } /* quantized values */ s->quantlist=(long *)_ogg_malloc(sizeof(*s->quantlist)*quantvals); for(i=0;i<quantvals;i++) - s->quantlist[i]=oggpack_read(opb,s->q_quant); + s->quantlist[i]=oggpack_read(opb,s->q_quant); if(quantvals&&s->quantlist[quantvals-1]==-1)goto _eofout; } @@ -216,7 +216,7 @@ static inline ogg_uint32_t bitreverse(register ogg_uint32_t x) } STIN long decode_packed_entry_number(codebook *book, - oggpack_buffer *b){ + oggpack_buffer *b){ int read=book->dec_maxlength; long lo,hi; long lok = oggpack_look(b,book->dec_firsttablen); @@ -284,43 +284,39 @@ static long decode_packed_block(codebook *book, oggpack_buffer *b, ptr = (ogg_uint32_t *)(adr&~3); bitend = ((adr&3)+b->headend)*8; while (bufptr<bufend){ - long entry, lo, hi; - if (UNLIKELY(cachesize<book->dec_maxlength)) { - if (bit-cachesize+32>=bitend) - break; - bit-=cachesize; - cache=letoh32(ptr[bit>>5]) >> (bit&31); - if (bit&31) - cache|=letoh32(ptr[(bit>>5)+1]) << (32-(bit&31)); - cachesize=32; - bit+=32; - } + long entry, lo, hi; + if (UNLIKELY(cachesize<book->dec_maxlength)) { + if (bit-cachesize+32>=bitend) + break; + bit-=cachesize; + cache=letoh32(ptr[bit>>5]) >> (bit&31); + if (bit&31) + cache|=letoh32(ptr[(bit>>5)+1]) << (32-(bit&31)); + cachesize=32; + bit+=32; + } - entry=book->dec_firsttable[cache&((1<<book->dec_firsttablen)-1)]; - if(UNLIKELY(entry&0x80000000UL)){ - lo=(entry>>15)&0x7fff; - hi=book->used_entries-(entry&0x7fff); - { - ogg_uint32_t testword=bitreverse((ogg_uint32_t)cache); - - while(LIKELY(hi-lo>1)){ - long p=(hi-lo)>>1; - if (book->codelist[lo+p]>testword) - hi-=p; - else - lo+=p; - } - entry=lo; + entry=book->dec_firsttable[cache&((1<<book->dec_firsttablen)-1)]; + if(UNLIKELY(entry&0x80000000UL)){ + lo=(entry>>15)&0x7fff; + hi=book->used_entries-(entry&0x7fff); + ogg_uint32_t testword=bitreverse((ogg_uint32_t)cache); + + while(LIKELY(hi-lo>1)){ + long p=(hi-lo)>>1; + if (book->codelist[lo+p]>testword) + hi-=p; + else + lo+=p; } - }else - entry--; - - *bufptr++=entry; - { - int l=book->dec_codelengths[entry]; - cachesize-=l; - cache>>=l; - } + entry=lo; + }else + entry--; + + *bufptr++=entry; + int l=book->dec_codelengths[entry]; + cachesize-=l; + cache>>=l; } adr=(unsigned long)b->headptr; @@ -366,7 +362,7 @@ long vorbis_book_decode(codebook *book, oggpack_buffer *b){ /* returns 0 on OK or -1 on eof *************************************/ long vorbis_book_decodevs_add(codebook *book,ogg_int32_t *a, - oggpack_buffer *b,int n,int point){ + oggpack_buffer *b,int n,int point){ if(book->used_entries>0){ int step=n/book->dim; long *entry = (long *)alloca(sizeof(*entry)*step); @@ -376,29 +372,29 @@ long vorbis_book_decodevs_add(codebook *book,ogg_int32_t *a, if(shift>=0){ for (i = 0; i < step; i++) { - entry[i]=decode_packed_entry_number(book,b); - if(entry[i]==-1)return(-1); - t[i] = book->valuelist+entry[i]*book->dim; + entry[i]=decode_packed_entry_number(book,b); + if(entry[i]==-1)return(-1); + t[i] = book->valuelist+entry[i]*book->dim; } for(i=0,o=0;i<book->dim;i++,o+=step) - for (j=0;j<step;j++) - a[o+j]+=t[j][i]>>shift; + for (j=0;j<step;j++) + a[o+j]+=t[j][i]>>shift; }else{ for (i = 0; i < step; i++) { - entry[i]=decode_packed_entry_number(book,b); - if(entry[i]==-1)return(-1); - t[i] = book->valuelist+entry[i]*book->dim; + entry[i]=decode_packed_entry_number(book,b); + if(entry[i]==-1)return(-1); + t[i] = book->valuelist+entry[i]*book->dim; } for(i=0,o=0;i<book->dim;i++,o+=step) - for (j=0;j<step;j++) - a[o+j]+=t[j][i]<<-shift; + for (j=0;j<step;j++) + a[o+j]+=t[j][i]<<-shift; } } return(0); } long vorbis_book_decodev_add(codebook *book,ogg_int32_t *a, - oggpack_buffer *b,int n,int point){ + oggpack_buffer *b,int n,int point){ if(book->used_entries>0){ int i,j,entry; ogg_int32_t *t; @@ -406,20 +402,20 @@ long vorbis_book_decodev_add(codebook *book,ogg_int32_t *a, if(shift>=0){ for(i=0;i<n;){ - entry = decode_packed_entry_number(book,b); - if(entry==-1)return(-1); - t = book->valuelist+entry*book->dim; - for (j=0;j<book->dim;) - a[i++]+=t[j++]>>shift; + entry = decode_packed_entry_number(book,b); + if(entry==-1)return(-1); + t = book->valuelist+entry*book->dim; + for (j=0;j<book->dim;) + a[i++]+=t[j++]>>shift; } }else{ shift = -shift; for(i=0;i<n;){ - entry = decode_packed_entry_number(book,b); - if(entry==-1)return(-1); - t = book->valuelist+entry*book->dim; - for (j=0;j<book->dim;) - a[i++]+=t[j++]<<shift; + entry = decode_packed_entry_number(book,b); + if(entry==-1)return(-1); + t = book->valuelist+entry*book->dim; + for (j=0;j<book->dim;) + a[i++]+=t[j++]<<shift; } } } @@ -427,7 +423,7 @@ long vorbis_book_decodev_add(codebook *book,ogg_int32_t *a, } long vorbis_book_decodev_set(codebook *book,ogg_int32_t *a, - oggpack_buffer *b,int n,int point){ + oggpack_buffer *b,int n,int point){ if(book->used_entries>0){ int i,j,entry; ogg_int32_t *t; @@ -436,22 +432,22 @@ long vorbis_book_decodev_set(codebook *book,ogg_int32_t *a, if(shift>=0){ for(i=0;i<n;){ - entry = decode_packed_entry_number(book,b); - if(entry==-1)return(-1); - t = book->valuelist+entry*book->dim; - for (j=0;j<book->dim;){ - a[i++]=t[j++]>>shift; - } + entry = decode_packed_entry_number(book,b); + if(entry==-1)return(-1); + t = book->valuelist+entry*book->dim; + for (j=0;j<book->dim;){ + a[i++]=t[j++]>>shift; + } } }else{ shift = -shift; for(i=0;i<n;){ - entry = decode_packed_entry_number(book,b); - if(entry==-1)return(-1); - t = book->valuelist+entry*book->dim; - for (j=0;j<book->dim;){ - a[i++]=t[j++]<<shift; - } + entry = decode_packed_entry_number(book,b); + if(entry==-1)return(-1); + t = book->valuelist+entry*book->dim; + for (j=0;j<book->dim;){ + a[i++]=t[j++]<<shift; + } } } }else{ @@ -459,7 +455,7 @@ long vorbis_book_decodev_set(codebook *book,ogg_int32_t *a, int i,j; for(i=0;i<n;){ for (j=0;j<book->dim;){ - a[i++]=0; + a[i++]=0; } } } @@ -516,8 +512,8 @@ static long vorbis_book_decodevv_add_2ch_even(codebook *book,ogg_int32_t **a, } long vorbis_book_decodevv_add(codebook *book,ogg_int32_t **a, - long offset,int ch, - oggpack_buffer *b,int n,int point){ + long offset,int ch, + oggpack_buffer *b,int n,int point){ if(LIKELY(book->used_entries>0)){ long i,j,k,chunk,read; int chptr=0; @@ -535,14 +531,14 @@ long vorbis_book_decodevv_add(codebook *book,ogg_int32_t **a, chunk=((offset+n-i)*ch+book->dim-1)/book->dim; read = decode_packed_block(book,b,entries,chunk); for(k=0;k<read;k++){ - const ogg_int32_t *t = book->valuelist+entries[k]*book->dim; - for (j=0;j<book->dim;j++){ - a[chptr++][i]+=t[j]>>shift; - if(chptr==ch){ - chptr=0; - i++; - } - } + const ogg_int32_t *t = book->valuelist+entries[k]*book->dim; + for (j=0;j<book->dim;j++){ + a[chptr++][i]+=t[j]>>shift; + if(chptr==ch){ + chptr=0; + i++; + } + } } if (read<chunk)return-1; } @@ -554,14 +550,14 @@ long vorbis_book_decodevv_add(codebook *book,ogg_int32_t **a, chunk=((offset+n-i)*ch+book->dim-1)/book->dim; read = decode_packed_block(book,b,entries,chunk); for(k=0;k<read;k++){ - const ogg_int32_t *t = book->valuelist+entries[k]*book->dim; - for (j=0;j<book->dim;j++){ - a[chptr++][i]+=t[j]<<shift; - if(chptr==ch){ - chptr=0; - i++; - } - } + const ogg_int32_t *t = book->valuelist+entries[k]*book->dim; + for (j=0;j<book->dim;j++){ + a[chptr++][i]+=t[j]<<shift; + if(chptr==ch){ + chptr=0; + i++; + } + } } if (read<chunk)return-1; } |