39 void oggpack_writeinit(oggpack_buffer *b){  in oggpack_writeinit()  argument
40   memset(b,0,sizeof(*b));  in oggpack_writeinit()
41   b->ptr=b->buffer=_ogg_malloc(BUFFER_INCREMENT);  in oggpack_writeinit()
42   b->buffer[0]='\0';  in oggpack_writeinit()
43   b->storage=BUFFER_INCREMENT;  in oggpack_writeinit()
46 void oggpackB_writeinit(oggpack_buffer *b){  in oggpackB_writeinit()  argument
47   oggpack_writeinit(b);  in oggpackB_writeinit()
50 int oggpack_writecheck(oggpack_buffer *b){  in oggpack_writecheck()  argument
51   if(!b->ptr || !b->storage)return -1;  in oggpack_writecheck()
55 int oggpackB_writecheck(oggpack_buffer *b){  in oggpackB_writecheck()  argument
56   return oggpack_writecheck(b);  in oggpackB_writecheck()
59 void oggpack_writetrunc(oggpack_buffer *b,long bits){  in oggpack_writetrunc()  argument
61   if(b->ptr){  in oggpack_writetrunc()
63     b->ptr=b->buffer+bytes;  in oggpack_writetrunc()
64     b->endbit=bits;  in oggpack_writetrunc()
65     b->endbyte=bytes;  in oggpack_writetrunc()
66     *b->ptr&=mask[bits];  in oggpack_writetrunc()
70 void oggpackB_writetrunc(oggpack_buffer *b,long bits){  in oggpackB_writetrunc()  argument
72   if(b->ptr){  in oggpackB_writetrunc()
74     b->ptr=b->buffer+bytes;  in oggpackB_writetrunc()
75     b->endbit=bits;  in oggpackB_writetrunc()
76     b->endbyte=bytes;  in oggpackB_writetrunc()
77     *b->ptr&=mask8B[bits];  in oggpackB_writetrunc()
82 void oggpack_write(oggpack_buffer *b,unsigned long value,int bits){  in oggpack_write()  argument
83   if(b->endbyte+4>=b->storage){  in oggpack_write()
85     if(!b->ptr)return;  in oggpack_write()
86     ret=_ogg_realloc(b->buffer,b->storage+BUFFER_INCREMENT);  in oggpack_write()
88       oggpack_writeclear(b);  in oggpack_write()
91     b->buffer=ret;  in oggpack_write()
92     b->storage+=BUFFER_INCREMENT;  in oggpack_write()
93     b->ptr=b->buffer+b->endbyte;  in oggpack_write()
97   bits+=b->endbit;  in oggpack_write()
99   b->ptr[0]|=value<<b->endbit;    in oggpack_write()
102     b->ptr[1]=(unsigned char)(value>>(8-b->endbit));  in oggpack_write()
104       b->ptr[2]=(unsigned char)(value>>(16-b->endbit));  in oggpack_write()
106         b->ptr[3]=(unsigned char)(value>>(24-b->endbit));  in oggpack_write()
108           if(b->endbit)  in oggpack_write()
109             b->ptr[4]=(unsigned char)(value>>(32-b->endbit));  in oggpack_write()
111             b->ptr[4]=0;  in oggpack_write()
117   b->endbyte+=bits/8;  in oggpack_write()
118   b->ptr+=bits/8;  in oggpack_write()
119   b->endbit=bits&7;  in oggpack_write()
123 void oggpackB_write(oggpack_buffer *b,unsigned long value,int bits){  in oggpackB_write()  argument
124   if(b->endbyte+4>=b->storage){  in oggpackB_write()
126     if(!b->ptr)return;  in oggpackB_write()
127     ret=_ogg_realloc(b->buffer,b->storage+BUFFER_INCREMENT);  in oggpackB_write()
129       oggpack_writeclear(b);  in oggpackB_write()
132     b->buffer=ret;  in oggpackB_write()
133     b->storage+=BUFFER_INCREMENT;  in oggpackB_write()
134     b->ptr=b->buffer+b->endbyte;  in oggpackB_write()
138   bits+=b->endbit;  in oggpackB_write()
140   b->ptr[0]|=value>>(24+b->endbit);    in oggpackB_write()
143     b->ptr[1]=(unsigned char)(value>>(16+b->endbit));  in oggpackB_write()
145       b->ptr[2]=(unsigned char)(value>>(8+b->endbit));  in oggpackB_write()
147         b->ptr[3]=(unsigned char)(value>>(b->endbit));  in oggpackB_write()
149           if(b->endbit)  in oggpackB_write()
150             b->ptr[4]=(unsigned char)(value<<(8-b->endbit));  in oggpackB_write()
152             b->ptr[4]=0;  in oggpackB_write()
158   b->endbyte+=bits/8;  in oggpackB_write()
159   b->ptr+=bits/8;  in oggpackB_write()
160   b->endbit=bits&7;  in oggpackB_write()
163 void oggpack_writealign(oggpack_buffer *b){  in oggpack_writealign()  argument
164   int bits=8-b->endbit;  in oggpack_writealign()
166     oggpack_write(b,0,bits);  in oggpack_writealign()
169 void oggpackB_writealign(oggpack_buffer *b){  in oggpackB_writealign()  argument
170   int bits=8-b->endbit;  in oggpackB_writealign()
172     oggpackB_write(b,0,bits);  in oggpackB_writealign()
175 static void oggpack_writecopy_helper(oggpack_buffer *b,  in oggpack_writecopy_helper()  argument
187   if(b->endbit){  in oggpack_writecopy_helper()
191       w(b,(unsigned long)(ptr[i]),8);      in oggpack_writecopy_helper()
194     if(b->endbyte+bytes+1>=b->storage){  in oggpack_writecopy_helper()
196       if(!b->ptr)return;  in oggpack_writecopy_helper()
197       b->storage=b->endbyte+bytes+BUFFER_INCREMENT;  in oggpack_writecopy_helper()
198       ret=_ogg_realloc(b->buffer,b->storage);  in oggpack_writecopy_helper()
200         oggpack_writeclear(b);  in oggpack_writecopy_helper()
203       b->buffer=ret;  in oggpack_writecopy_helper()
204       b->ptr=b->buffer+b->endbyte;  in oggpack_writecopy_helper()
207     memmove(b->ptr,source,bytes);  in oggpack_writecopy_helper()
208     b->ptr+=bytes;  in oggpack_writecopy_helper()
209     b->endbyte+=bytes;  in oggpack_writecopy_helper()
210     *b->ptr=0;  in oggpack_writecopy_helper()
215       w(b,(unsigned long)(ptr[bytes]>>(8-bits)),bits);      in oggpack_writecopy_helper()
217       w(b,(unsigned long)(ptr[bytes]),bits);      in oggpack_writecopy_helper()
221 void oggpack_writecopy(oggpack_buffer *b,void *source,long bits){  in oggpack_writecopy()  argument
222   oggpack_writecopy_helper(b,source,bits,oggpack_write,0);  in oggpack_writecopy()
225 void oggpackB_writecopy(oggpack_buffer *b,void *source,long bits){  in oggpackB_writecopy()  argument
226   oggpack_writecopy_helper(b,source,bits,oggpackB_write,1);  in oggpackB_writecopy()
229 void oggpack_reset(oggpack_buffer *b){  in oggpack_reset()  argument
230   if(!b->ptr)return;  in oggpack_reset()
231   b->ptr=b->buffer;  in oggpack_reset()
232   b->buffer[0]=0;  in oggpack_reset()
233   b->endbit=b->endbyte=0;  in oggpack_reset()
236 void oggpackB_reset(oggpack_buffer *b){  in oggpackB_reset()  argument
237   oggpack_reset(b);  in oggpackB_reset()
240 void oggpack_writeclear(oggpack_buffer *b){  in oggpack_writeclear()  argument
241   if(b->buffer)_ogg_free(b->buffer);  in oggpack_writeclear()
242   memset(b,0,sizeof(*b));  in oggpack_writeclear()
245 void oggpackB_writeclear(oggpack_buffer *b){  in oggpackB_writeclear()  argument
246   oggpack_writeclear(b);  in oggpackB_writeclear()
249 void oggpack_readinit(oggpack_buffer *b,unsigned char *buf,int bytes){  in oggpack_readinit()  argument
250   memset(b,0,sizeof(*b));  in oggpack_readinit()
251   b->buffer=b->ptr=buf;  in oggpack_readinit()
252   b->storage=bytes;  in oggpack_readinit()
255 void oggpackB_readinit(oggpack_buffer *b,unsigned char *buf,int bytes){  in oggpackB_readinit()  argument
256   oggpack_readinit(b,buf,bytes);  in oggpackB_readinit()
260 long oggpack_look(oggpack_buffer *b,int bits){  in oggpack_look()  argument
264   bits+=b->endbit;  in oggpack_look()
266   if(b->endbyte+4>=b->storage){  in oggpack_look()
268     if(b->endbyte*8+bits>b->storage*8)return(-1);  in oggpack_look()
271   ret=b->ptr[0]>>b->endbit;  in oggpack_look()
273     ret|=b->ptr[1]<<(8-b->endbit);    in oggpack_look()
275       ret|=b->ptr[2]<<(16-b->endbit);    in oggpack_look()
277         ret|=b->ptr[3]<<(24-b->endbit);    in oggpack_look()
278         if(bits>32 && b->endbit)  in oggpack_look()
279           ret|=b->ptr[4]<<(32-b->endbit);  in oggpack_look()
287 long oggpackB_look(oggpack_buffer *b,int bits){  in oggpackB_look()  argument
291   bits+=b->endbit;  in oggpackB_look()
293   if(b->endbyte+4>=b->storage){  in oggpackB_look()
295     if(b->endbyte*8+bits>b->storage*8)return(-1);  in oggpackB_look()
298   ret=b->ptr[0]<<(24+b->endbit);  in oggpackB_look()
300     ret|=b->ptr[1]<<(16+b->endbit);    in oggpackB_look()
302       ret|=b->ptr[2]<<(8+b->endbit);    in oggpackB_look()
304         ret|=b->ptr[3]<<(b->endbit);    in oggpackB_look()
305         if(bits>32 && b->endbit)  in oggpackB_look()
306           ret|=b->ptr[4]>>(8-b->endbit);  in oggpackB_look()
313 long oggpack_look1(oggpack_buffer *b){  in oggpack_look1()  argument
314   if(b->endbyte>=b->storage)return(-1);  in oggpack_look1()
315   return((b->ptr[0]>>b->endbit)&1);  in oggpack_look1()
318 long oggpackB_look1(oggpack_buffer *b){  in oggpackB_look1()  argument
319   if(b->endbyte>=b->storage)return(-1);  in oggpackB_look1()
320   return((b->ptr[0]>>(7-b->endbit))&1);  in oggpackB_look1()
323 void oggpack_adv(oggpack_buffer *b,int bits){  in oggpack_adv()  argument
324   bits+=b->endbit;  in oggpack_adv()
325   b->ptr+=bits/8;  in oggpack_adv()
326   b->endbyte+=bits/8;  in oggpack_adv()
327   b->endbit=bits&7;  in oggpack_adv()
330 void oggpackB_adv(oggpack_buffer *b,int bits){  in oggpackB_adv()  argument
331   oggpack_adv(b,bits);  in oggpackB_adv()
334 void oggpack_adv1(oggpack_buffer *b){  in oggpack_adv1()  argument
335   if(++(b->endbit)>7){  in oggpack_adv1()
336     b->endbit=0;  in oggpack_adv1()
337     b->ptr++;  in oggpack_adv1()
338     b->endbyte++;  in oggpack_adv1()
342 void oggpackB_adv1(oggpack_buffer *b){  in oggpackB_adv1()  argument
343   oggpack_adv1(b);  in oggpackB_adv1()
347 long oggpack_read(oggpack_buffer *b,int bits){  in oggpack_read()  argument
351   bits+=b->endbit;  in oggpack_read()
353   if(b->endbyte+4>=b->storage){  in oggpack_read()
356     if(b->endbyte*8+bits>b->storage*8)goto overflow;  in oggpack_read()
359   ret=b->ptr[0]>>b->endbit;  in oggpack_read()
361     ret|=b->ptr[1]<<(8-b->endbit);    in oggpack_read()
363       ret|=b->ptr[2]<<(16-b->endbit);    in oggpack_read()
365         ret|=b->ptr[3]<<(24-b->endbit);    in oggpack_read()
366         if(bits>32 && b->endbit){  in oggpack_read()
367           ret|=b->ptr[4]<<(32-b->endbit);  in oggpack_read()
376   b->ptr+=bits/8;  in oggpack_read()
377   b->endbyte+=bits/8;  in oggpack_read()
378   b->endbit=bits&7;  in oggpack_read()
383 long oggpackB_read(oggpack_buffer *b,int bits){  in oggpackB_read()  argument
387   bits+=b->endbit;  in oggpackB_read()
389   if(b->endbyte+4>=b->storage){  in oggpackB_read()
392     if(b->endbyte*8+bits>b->storage*8)goto overflow;  in oggpackB_read()
398   ret=b->ptr[0]<<(24+b->endbit);  in oggpackB_read()
400     ret|=b->ptr[1]<<(16+b->endbit);    in oggpackB_read()
402       ret|=b->ptr[2]<<(8+b->endbit);    in oggpackB_read()
404         ret|=b->ptr[3]<<(b->endbit);    in oggpackB_read()
405         if(bits>32 && b->endbit)  in oggpackB_read()
406           ret|=b->ptr[4]>>(8-b->endbit);  in oggpackB_read()
414   b->ptr+=bits/8;  in oggpackB_read()
415   b->endbyte+=bits/8;  in oggpackB_read()
416   b->endbit=bits&7;  in oggpackB_read()
420 long oggpack_read1(oggpack_buffer *b){  in oggpack_read1()  argument
423   if(b->endbyte>=b->storage){  in oggpack_read1()
429   ret=(b->ptr[0]>>b->endbit)&1;  in oggpack_read1()
433   b->endbit++;  in oggpack_read1()
434   if(b->endbit>7){  in oggpack_read1()
435     b->endbit=0;  in oggpack_read1()
436     b->ptr++;  in oggpack_read1()
437     b->endbyte++;  in oggpack_read1()
442 long oggpackB_read1(oggpack_buffer *b){  in oggpackB_read1()  argument
445   if(b->endbyte>=b->storage){  in oggpackB_read1()
451   ret=(b->ptr[0]>>(7-b->endbit))&1;  in oggpackB_read1()
455   b->endbit++;  in oggpackB_read1()
456   if(b->endbit>7){  in oggpackB_read1()
457     b->endbit=0;  in oggpackB_read1()
458     b->ptr++;  in oggpackB_read1()
459     b->endbyte++;  in oggpackB_read1()
464 long oggpack_bytes(oggpack_buffer *b){  in oggpack_bytes()  argument
465   return(b->endbyte+(b->endbit+7)/8);  in oggpack_bytes()
468 long oggpack_bits(oggpack_buffer *b){  in oggpack_bits()  argument
469   return(b->endbyte*8+b->endbit);  in oggpack_bits()
472 long oggpackB_bytes(oggpack_buffer *b){  in oggpackB_bytes()  argument
473   return oggpack_bytes(b);  in oggpackB_bytes()
476 long oggpackB_bits(oggpack_buffer *b){  in oggpackB_bits()  argument
477   return oggpack_bits(b);  in oggpackB_bits()
480 unsigned char *oggpack_get_buffer(oggpack_buffer *b){  in oggpack_get_buffer()  argument
481   return(b->buffer);  in oggpack_get_buffer()
484 unsigned char *oggpackB_get_buffer(oggpack_buffer *b){  in oggpackB_get_buffer()  argument
485   return oggpack_get_buffer(b);  in oggpackB_get_buffer()
511 void cliptest(unsigned long *b,int vals,int bits,int *comp,int compsize){  in cliptest()  argument
517     oggpack_write(&o,b[i],bits?bits:ilog(b[i]));  in cliptest()
527     int tbit=bits?bits:ilog(b[i]);  in cliptest()
530     if(oggpack_look(&r,tbit)!=(b[i]&mask[tbit]))  in cliptest()
533       if(oggpack_look1(&r)!=(b[i]&mask[tbit]))  in cliptest()
536       if(oggpack_read1(&r)!=(b[i]&mask[tbit]))  in cliptest()
539     if(oggpack_read(&r,tbit)!=(b[i]&mask[tbit]))  in cliptest()
546 void cliptestB(unsigned long *b,int vals,int bits,int *comp,int compsize){  in cliptestB()  argument
552     oggpackB_write(&o,b[i],bits?bits:ilog(b[i]));  in cliptestB()
562     int tbit=bits?bits:ilog(b[i]);  in cliptestB()
565     if(oggpackB_look(&r,tbit)!=(b[i]&mask[tbit]))  in cliptestB()
568       if(oggpackB_look1(&r)!=(b[i]&mask[tbit]))  in cliptestB()
571       if(oggpackB_read1(&r)!=(b[i]&mask[tbit]))  in cliptestB()
574     if(oggpackB_read(&r,tbit)!=(b[i]&mask[tbit]))  in cliptestB()