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-rw-r--r--Tremolo/bitwise.c849
1 files changed, 0 insertions, 849 deletions
diff --git a/Tremolo/bitwise.c b/Tremolo/bitwise.c
deleted file mode 100644
index bcdf153..0000000
--- a/Tremolo/bitwise.c
+++ /dev/null
@@ -1,849 +0,0 @@
-/********************************************************************
- * *
- * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
- * *
- * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
- * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
- * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
- * *
- * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2003 *
- * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
- * *
- ********************************************************************
-
- function: packing variable sized words into an octet stream
-
- ********************************************************************/
-
-/* We're 'LSb' endian; if we write a word but read individual bits,
- then we'll read the lsb first */
-
-#include <string.h>
-#include <stdlib.h>
-#include "misc.h"
-#include "ogg.h"
-
-#include <stdio.h>
-
-
-#if !defined(ARM_LITTLE_ENDIAN) || defined(_V_BIT_TEST)
-static unsigned long mask[]=
-{0x00000000,0x00000001,0x00000003,0x00000007,0x0000000f,
- 0x0000001f,0x0000003f,0x0000007f,0x000000ff,0x000001ff,
- 0x000003ff,0x000007ff,0x00000fff,0x00001fff,0x00003fff,
- 0x00007fff,0x0000ffff,0x0001ffff,0x0003ffff,0x0007ffff,
- 0x000fffff,0x001fffff,0x003fffff,0x007fffff,0x00ffffff,
- 0x01ffffff,0x03ffffff,0x07ffffff,0x0fffffff,0x1fffffff,
- 0x3fffffff,0x7fffffff,0xffffffff };
-#endif
-
-#ifdef ARM_LITTLE_ENDIAN
-
-#ifdef DEBUGGING_BITWISE
-extern void oggpack_readinitARM(oggpack_buffer *b,ogg_reference *r);
-
-void oggpack_readinit(oggpack_buffer *b,ogg_reference *r){
- oggpack_readinitARM(b,r);
- //fprintf(stderr, "Init: buffer=(%d,%x,%d,%d) %08x%08x\n",
- // b->bitsLeftInSegment, b->ptr, b->bitsLeftInWord, b->count,
- // b->ptr[1], b->ptr[0]);
- //fflush(stderr);
-}
-
-extern long oggpack_lookARM(oggpack_buffer *b,int bits);
-
-long oggpack_look(oggpack_buffer *b,int bits){
- long l;
-
- //fprintf(stderr, "PreLook: buffer=(%x,%x,%x) %08x%08x (%d bits)\n",
- // b->bitsLeftInSegment, b->ptr, b->bitsLeftInWord,
- // b->ptr[1], b->ptr[0], bits);
- //fflush(stderr);
- l = oggpack_lookARM(b,bits);
- //fprintf(stderr, "Look: buffer=(%d,%x,%d,%d) %08x%08x (%d bits) (result=%x)\n",
- // b->bitsLeftInSegment, b->ptr, b->bitsLeftInWord, b->count,
- // b->ptr[1], b->ptr[0], bits, l);
- //fflush(stderr);
-
- return l;
-}
-
-extern void oggpack_advARM(oggpack_buffer *b,int bits);
-
-void oggpack_adv(oggpack_buffer *b,int bits){
- //fprintf(stderr, "Adv before: buffer=(%x,%x,%x) %08x%08x (%d bits)\n",
- // b->bitsLeftInSegment, b->ptr, b->bitsLeftInWord,
- // b->ptr[1], b->ptr[0],bits);
- //fflush(stderr);
- oggpack_advARM(b,bits);
- //fprintf(stderr, "Adv: buffer=(%d,%x,%d,%d) %08x%08x\n",
- // b->bitsLeftInSegment, b->ptr, b->bitsLeftInWord, b->count,
- // b->ptr[1], b->ptr[0]);
- //fflush(stderr);
-}
-
-extern long oggpack_readARM(oggpack_buffer *b,int bits);
-
-/* bits <= 32 */
-long oggpack_read(oggpack_buffer *b,int bits){
- long l;
-
- //fprintf(stderr, "PreRead: buffer=(%d,%x,%d,%d) %08x%08x (%d bits)\n",
- // b->bitsLeftInSegment, b->ptr, b->bitsLeftInWord, b->count,
- // b->ptr[1], b->ptr[0], bits);
- //fflush(stderr);
- l = oggpack_readARM(b,bits);
- //fprintf(stderr, "Read: buffer=(%d,%x,%d,%d) %08x%08x (%d bits) (result=%x)\n",
- // b->bitsLeftInSegment, b->ptr, b->bitsLeftInWord, b->count,
- // b->ptr[1], b->ptr[0], bits, l);
- //fflush(stderr);
-
- return l;
-}
-#endif
-
-int oggpack_eop(oggpack_buffer *b){
- int ret;
- if(b->bitsLeftInSegment<0)ret= -1;
- else ret = 0;
- //fprintf(stderr, "EOP %d\n", ret);
- //fflush(stderr);
- return ret;
-}
-
-long oggpack_bytes(oggpack_buffer *b){
- long ret;
- if(b->bitsLeftInSegment<0) ret = b->count+b->head->length;
- else ret = b->count + b->head->length - (b->bitsLeftInSegment)/8;
- //fprintf(stderr, "count=%d length=%d bitsLeftInSegment=%d\n",
- // b->count, b->head->length, b->bitsLeftInSegment);
- //fflush(stderr);
- return ret;
-}
-
-long oggpack_bits(oggpack_buffer *b){
- long ret;
- if(b->bitsLeftInSegment<0) ret=(b->count+b->head->length)*8;
- else ret = b->count*8 + b->head->length*8 - b->bitsLeftInSegment;
- //fprintf(stderr, "count=%d length=%d bitsLeftInSegment=%d\n",
- // b->count, b->head->length, b->bitsLeftInSegment);
- //fflush(stderr);
- return ret;
-}
-
-#else
-
-/* spans forward, skipping as many bytes as headend is negative; if
- headend is zero, simply finds next byte. If we're up to the end
- of the buffer, leaves headend at zero. If we've read past the end,
- halt the decode process. */
-
-static void _span(oggpack_buffer *b){
- while(b->headend-(b->headbit>>3)<1){
- b->headend-=b->headbit>>3;
- b->headbit&=0x7;
-
- if(b->head && b->head->next){
- b->count+=b->head->length;
- b->head=b->head->next;
-
- if(b->headend+b->head->length>0)
- b->headptr=b->head->buffer->data+b->head->begin-b->headend;
-
- b->headend+=b->head->length;
- }else{
- /* we've either met the end of decode, or gone past it. halt
- only if we're past */
- if(b->headend*8<b->headbit)
- /* read has fallen off the end */
- b->headend=-1;
- break;
- }
- }
-}
-
-void oggpack_readinit(oggpack_buffer *b,ogg_reference *r){
- memset(b,0,sizeof(*b));
-
- b->tail=b->head=r;
- b->count=0;
- if (b->head) {
- b->headptr=b->head->buffer->data+b->head->begin;
- b->headend=b->head->length;
- } else {
- b->headptr=0;
- b->headend=0;
- }
- _span(b);
-
- //fprintf(stderr,
- // "Init: buffer=(%d,%x,%d,%d) %02x%02x%02x%02x%02x%02x%02x%02x\n",
- // b->headbit, b->headptr, b->headend, b->count,
- // b->headptr[7], b->headptr[6], b->headptr[5], b->headptr[4],
- // b->headptr[3], b->headptr[2], b->headptr[1], b->headptr[0]);
- //fflush(stderr);
-}
-
-#define _lookspan() while(!end){\
- head=head->next;\
- if(!head) return -1;\
- ptr=head->buffer->data + head->begin;\
- end=head->length;\
- }
-
-/* Read in bits without advancing the bitptr; bits <= 32 */
-long oggpack_look(oggpack_buffer *b,int bits){
- unsigned long m=mask[bits];
- unsigned long ret;
- int BITS = bits;
-
- bits+=b->headbit;
-
- if(bits >= b->headend<<3){
- int end=b->headend;
- unsigned char *ptr=b->headptr;
- ogg_reference *head=b->head;
-
- if(end<0)return -1;
- if (!head || !end)return -1;
-
- if(bits){
- _lookspan();
- ret=*ptr++>>b->headbit;
- if(bits>8){
- --end;
- _lookspan();
- ret|=*ptr++<<(8-b->headbit);
- if(bits>16){
- --end;
- _lookspan();
- ret|=*ptr++<<(16-b->headbit);
- if(bits>24){
- --end;
- _lookspan();
- ret|=*ptr++<<(24-b->headbit);
- if(bits>32 && b->headbit){
- --end;
- _lookspan();
- ret|=*ptr<<(32-b->headbit);
- }
- }
- }
- }
- }
-
- }else{
-
- /* make this a switch jump-table */
- ret=b->headptr[0]>>b->headbit;
- if(bits>8){
- ret|=b->headptr[1]<<(8-b->headbit);
- if(bits>16){
- ret|=b->headptr[2]<<(16-b->headbit);
- if(bits>24){
- ret|=b->headptr[3]<<(24-b->headbit);
- if(bits>32 && b->headbit)
- ret|=b->headptr[4]<<(32-b->headbit);
- }
- }
- }
- }
-
- ret&=m;
- //fprintf(stderr,
- // "Look: buffer=(%d,%x,%d,%d) %02x%02x%02x%02x%02x%02x%02x%02x (%d bits) return=%x\n",
- // b->headbit, b->headptr, b->headend, b->count,
- // b->headptr[7], b->headptr[6], b->headptr[5], b->headptr[4],
- // b->headptr[3], b->headptr[2], b->headptr[1], b->headptr[0],
- // BITS, ret);
- //fflush(stderr);
- return ret;
-}
-
-/* limited to 32 at a time */
-void oggpack_adv(oggpack_buffer *b,int bits){
- int BITS=bits;
- bits+=b->headbit;
- b->headbit=bits&7;
- b->headend-=(bits>>3);
- b->headptr+=(bits>>3);
- if(b->headend<1)_span(b);
- //fprintf(stderr, "Adv: buffer=(%d,%x,%d,%d) %02x%02x%02x%02x%02x%02x%02x%02x (%d bits)\n",
- // b->headbit, b->headptr, b->headend,b->count,
- // b->headptr[7], b->headptr[6], b->headptr[5], b->headptr[4],
- // b->headptr[3], b->headptr[2], b->headptr[1], b->headptr[0],
- // BITS);
- //fflush(stderr);
-}
-
-int oggpack_eop(oggpack_buffer *b){
- int ret;
- if(b->headend<0)ret= -1;
- else ret = 0;
- //fprintf(stderr, "EOP %d\n", ret);
- //fflush(stderr);
- return ret;
-}
-
-long oggpack_bytes(oggpack_buffer *b){
- long ret;
- if(b->headend<0) ret = b->count+b->head->length;
- ret = b->count + b->head->length-b->headend + (b->headbit+7)/8;
- //fprintf(stderr, "Bytes: buffer=(%d,%x,%d,%d) %02x%02x%02x%02x%02x%02x%02x%02x (%d bytes)\n",
- // b->headbit, b->headptr, b->headend, b->count,
- // b->headptr[7], b->headptr[6], b->headptr[5], b->headptr[4],
- // b->headptr[3], b->headptr[2], b->headptr[1], b->headptr[0],
- // ret);
- //fflush(stderr);
- return ret;
-}
-
-long oggpack_bits(oggpack_buffer *b){
- long ret;
- if(b->headend<0) ret = (b->count+b->head->length)*8;
- else ret = (b->count + b->head->length-b->headend)*8 + b->headbit;
- //fprintf(stderr, "Bits: buffer=(%x,%x,%x) %02x%02x%02x%02x%02x%02x%02x%02x (%d bits)\n",
- // b->headbit, b->headptr, b->headend,
- // b->headptr[7], b->headptr[6], b->headptr[5], b->headptr[4],
- // b->headptr[3], b->headptr[2], b->headptr[1], b->headptr[0],
- // ret);
- //fflush(stderr);
- return ret;
-}
-
-/* bits <= 32 */
-long oggpack_read(oggpack_buffer *b,int bits){
- long ret=oggpack_look(b,bits);
- oggpack_adv(b,bits);
- return(ret);
-}
-
-#endif
-
-/* Self test of the bitwise routines; everything else is based on
- them, so they damned well better be solid. */
-
-#ifdef _V_BIT_TEST
-#include <string.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include "framing.c"
-
-static int ilog(unsigned long v){
- int ret=0;
- while(v){
- ret++;
- v>>=1;
- }
- return(ret);
-}
-
-oggpack_buffer r;
-oggpack_buffer o;
-ogg_buffer_state *bs;
-ogg_reference *or;
-#define TESTWORDS 256
-
-void report(char *in){
- fprintf(stderr,"%s",in);
- exit(1);
-}
-
-int getbyte(ogg_reference *or,int position){
- while(or && position>=or->length){
- position-=or->length;
- or=or->next;
- if(or==NULL){
- fprintf(stderr,"\n\tERROR: getbyte ran off end of buffer.\n");
- exit(1);
- }
- }
-
- if((position+or->begin)&1)
- return (or->buffer->data[(position+or->begin)>>1])&0xff;
- else
- return (or->buffer->data[(position+or->begin)>>1]>>8)&0xff;
-}
-
-void cliptest(unsigned long *b,int vals,int bits,int *comp,int compsize){
- long i,bitcount=0;
- ogg_reference *or=ogg_buffer_alloc(bs,64);
- for(i=0;i<compsize;i++)
- or->buffer->data[i]= comp[i];
- or->length=i;
-
- oggpack_readinit(&r,or);
- for(i=0;i<vals;i++){
- unsigned long test;
- int tbit=bits?bits:ilog(b[i]);
- if((test=oggpack_look(&r,tbit))==0xffffffff)
- report("out of data!\n");
- if(test!=(b[i]&mask[tbit])){
- fprintf(stderr,"%ld) %lx %lx\n",i,(b[i]&mask[tbit]),test);
- report("looked at incorrect value!\n");
- }
- if((test=oggpack_read(&r,tbit))==0xffffffff){
- report("premature end of data when reading!\n");
- }
- if(test!=(b[i]&mask[tbit])){
- fprintf(stderr,"%ld) %lx %lx\n",i,(b[i]&mask[tbit]),test);
- report("read incorrect value!\n");
- }
- bitcount+=tbit;
-
- if(bitcount!=oggpack_bits(&r))
- report("wrong number of bits while reading!\n");
- if((bitcount+7)/8!=oggpack_bytes(&r))
- report("wrong number of bytes while reading!\n");
-
- }
- if(oggpack_bytes(&r)!=(bitcount+7)/8){
- fprintf(stderr, "%d vs %d\n", oggpack_bytes(&r), (bitcount+7)/8);
- report("leftover bytes after read!\n");
- }
- ogg_buffer_release(or);
-}
-
-void _end_verify(int count){
- int i;
-
- /* are the proper number of bits left over? */
- int leftover=count*8-oggpack_bits(&o);
- if(leftover>7)
- report("\nERROR: too many bits reported left over.\n");
-
- /* does reading to exactly byte alignment *not* trip EOF? */
- if(oggpack_read(&o,leftover)==-1)
- report("\nERROR: read to but not past exact end tripped EOF.\n");
- if(oggpack_bits(&o)!=count*8)
- report("\nERROR: read to but not past exact end reported bad bitcount.\n");
-
- /* does EOF trip properly after a single additional bit? */
- if(oggpack_read(&o,1)!=-1)
- report("\nERROR: read past exact end did not trip EOF.\n");
- if(oggpack_bits(&o)!=count*8)
- report("\nERROR: read past exact end reported bad bitcount.\n");
-
- /* does EOF stay set over additional bit reads? */
- for(i=0;i<=32;i++){
- if(oggpack_read(&o,i)!=-1)
- report("\nERROR: EOF did not stay set on stream.\n");
- if(oggpack_bits(&o)!=count*8)
- report("\nERROR: read past exact end reported bad bitcount.\n");
- }
-}
-
-void _end_verify2(int count){
- int i;
-
- /* are the proper number of bits left over? */
- int leftover=count*8-oggpack_bits(&o);
- if(leftover>7)
- report("\nERROR: too many bits reported left over.\n");
-
- /* does reading to exactly byte alignment *not* trip EOF? */
- oggpack_adv(&o,leftover);
-#ifdef ARM_LITTLE_ENDIAN
- if(o.bitsLeftInSegment!=0)
-#else
- if(o.headend!=0)
-#endif
- report("\nERROR: read to but not past exact end tripped EOF.\n");
- if(oggpack_bits(&o)!=count*8)
- report("\nERROR: read to but not past exact end reported bad bitcount.\n");
-
- /* does EOF trip properly after a single additional bit? */
- oggpack_adv(&o,1);
-#ifdef ARM_LITTLE_ENDIAN
- if(o.bitsLeftInSegment>=0)
-#else
- if(o.headend>=0)
-#endif
- report("\nERROR: read past exact end did not trip EOF.\n");
- if(oggpack_bits(&o)!=count*8)
- report("\nERROR: read past exact end reported bad bitcount.\n");
-
- /* does EOF stay set over additional bit reads? */
- for(i=0;i<=32;i++){
- oggpack_adv(&o,i);
-#ifdef ARM_LITTLE_ENDIAN
- if(o.bitsLeftInSegment>=0)
-#else
- if(o.headend>=0)
-#endif
- report("\nERROR: EOF did not stay set on stream.\n");
- if(oggpack_bits(&o)!=count*8)
- report("\nERROR: read past exact end reported bad bitcount.\n");
- }
-}
-
-long ogg_buffer_length(ogg_reference *or){
- int count=0;
- while(or){
- count+=or->length;
- or=or->next;
- }
- return count;
-}
-
-ogg_reference *ogg_buffer_extend(ogg_reference *or,long bytes){
- if(or){
- while(or->next){
- or=or->next;
- }
- or->next=ogg_buffer_alloc(or->buffer->ptr.owner,bytes);
- return(or->next);
- }
- return 0;
-}
-
-void ogg_buffer_posttruncate(ogg_reference *or,long pos){
- /* walk to the point where we want to begin truncate */
- while(or && pos>or->length){
- pos-=or->length;
- or=or->next;
- }
- if(or){
- ogg_buffer_release(or->next);
- or->next=0;
- or->length=pos;
- }
-}
-
-int main(void){
- long i;
- static unsigned long testbuffer1[]=
- {18,12,103948,4325,543,76,432,52,3,65,4,56,32,42,34,21,1,23,32,546,456,7,
- 567,56,8,8,55,3,52,342,341,4,265,7,67,86,2199,21,7,1,5,1,4};
- int test1size=43;
-
- static unsigned long testbuffer2[]=
- {216531625L,1237861823,56732452,131,3212421,12325343,34547562,12313212,
- 1233432,534,5,346435231,14436467,7869299,76326614,167548585,
- 85525151,0,12321,1,349528352};
- int test2size=21;
-
- static unsigned long testbuffer3[]=
- {1,0,14,0,1,0,12,0,1,0,0,0,1,1,0,1,0,1,0,1,0,1,0,1,0,1,0,0,1,1,1,1,1,0,0,1,
- 0,1,30,1,1,1,0,0,1,0,0,0,12,0,11,0,1,0,0,1};
- int test3size=56;
-
- static unsigned long large[]=
- {2136531625L,2137861823,56732452,131,3212421,12325343,34547562,12313212,
- 1233432,534,5,2146435231,14436467,7869299,76326614,167548585,
- 85525151,0,12321,1,2146528352};
-
- int onesize=33;
- static int one[33]={146,25,44,151,195,15,153,176,233,131,196,65,85,172,47,40,
- 34,242,223,136,35,222,211,86,171,50,225,135,214,75,172,
- 223,4};
-
- int twosize=6;
- static int two[6]={61,255,255,251,231,29};
-
- int threesize=54;
- static int three[54]={169,2,232,252,91,132,156,36,89,13,123,176,144,32,254,
- 142,224,85,59,121,144,79,124,23,67,90,90,216,79,23,83,
- 58,135,196,61,55,129,183,54,101,100,170,37,127,126,10,
- 100,52,4,14,18,86,77,1};
-
- int foursize=38;
- static int four[38]={18,6,163,252,97,194,104,131,32,1,7,82,137,42,129,11,72,
- 132,60,220,112,8,196,109,64,179,86,9,137,195,208,122,169,
- 28,2,133,0,1};
-
- int fivesize=45;
- static int five[45]={169,2,126,139,144,172,30,4,80,72,240,59,130,218,73,62,
- 241,24,210,44,4,20,0,248,116,49,135,100,110,130,181,169,
- 84,75,159,2,1,0,132,192,8,0,0,18,22};
-
- int sixsize=7;
- static int six[7]={17,177,170,242,169,19,148};
-
- /* Test read/write together */
- /* Later we test against pregenerated bitstreams */
- bs=ogg_buffer_create();
-
- fprintf(stderr,"\nSmall preclipped packing (LSb): ");
- cliptest(testbuffer1,test1size,0,one,onesize);
- fprintf(stderr,"ok.");
-
- fprintf(stderr,"\nNull bit call (LSb): ");
- cliptest(testbuffer3,test3size,0,two,twosize);
- fprintf(stderr,"ok.");
-
- fprintf(stderr,"\nLarge preclipped packing (LSb): ");
- cliptest(testbuffer2,test2size,0,three,threesize);
- fprintf(stderr,"ok.");
-
- fprintf(stderr,"\n32 bit preclipped packing (LSb): ");
-
- or=ogg_buffer_alloc(bs,128);
- for(i=0;i<test2size;i++){
- or->buffer->data[i*4] = large[i]&0xff;
- or->buffer->data[i*4+1] = (large[i]>>8)&0xff;
- or->buffer->data[i*4+2] = (large[i]>>16)&0xff;
- or->buffer->data[i*4+3] = (large[i]>>24)&0xff;
- }
- or->length=test2size*4;
- oggpack_readinit(&r,or);
- for(i=0;i<test2size;i++){
- unsigned long test;
- if((test=oggpack_look(&r,32))==0xffffffffUL)report("out of data. failed!");
- if(test!=large[i]){
- fprintf(stderr,"%ld != %ld (%lx!=%lx):",test,large[i],
- test,large[i]);
- report("read incorrect value!\n");
- }
- oggpack_adv(&r,32);
- }
- ogg_buffer_release(or);
- if(oggpack_bytes(&r)!=test2size*4){
- fprintf(stderr, "%d vs %d\n", oggpack_bytes(&r), test2size*4);
- report("leftover bytes after read!\n");
- }
- fprintf(stderr,"ok.");
-
- fprintf(stderr,"\nSmall unclipped packing (LSb): ");
- cliptest(testbuffer1,test1size,7,four,foursize);
- fprintf(stderr,"ok.");
-
- fprintf(stderr,"\nLarge unclipped packing (LSb): ");
- cliptest(testbuffer2,test2size,17,five,fivesize);
- fprintf(stderr,"ok.");
-
- fprintf(stderr,"\nSingle bit unclipped packing (LSb): ");
- cliptest(testbuffer3,test3size,1,six,sixsize);
- fprintf(stderr,"ok.");
-
- fprintf(stderr,"\nTesting read past end (LSb): ");
- {
- unsigned char dda[]={0,0,0,0};
- ogg_buffer lob={dda,8,0,{0}};
- ogg_reference lor={&lob,0,8,0};
-
- oggpack_readinit(&r,&lor);
- for(i=0;i<64;i++){
- if(oggpack_read(&r,1)<0){
- fprintf(stderr,"failed; got -1 prematurely.\n");
- exit(1);
- }
- }
- if(oggpack_look(&r,1)!=-1 ||
- oggpack_read(&r,1)!=-1){
- fprintf(stderr,"failed; read past end without -1.\n");
- exit(1);
- }
- }
- {
- unsigned char dda[]={0,0,0,0};
- ogg_buffer lob={dda,8,0,{0}};
- ogg_reference lor={&lob,0,8,0};
- unsigned long test;
-
- oggpack_readinit(&r,&lor);
- if((test=oggpack_read(&r,30))==0xffffffffUL ||
- (test=oggpack_read(&r,16))==0xffffffffUL){
- fprintf(stderr,"failed 2; got -1 prematurely.\n");
- exit(1);
- }
-
- if((test=oggpack_look(&r,18))==0xffffffffUL){
- fprintf(stderr,"failed 3; got -1 prematurely.\n");
- exit(1);
- }
- if((test=oggpack_look(&r,19))!=0xffffffffUL){
- fprintf(stderr,"failed; read past end without -1.\n");
- exit(1);
- }
- if((test=oggpack_look(&r,32))!=0xffffffffUL){
- fprintf(stderr,"failed; read past end without -1.\n");
- exit(1);
- }
- }
- fprintf(stderr,"ok.\n");
-
- /* now the scary shit: randomized testing */
-
- for(i=0;i<10000;i++){
- long j,count=0,count2=0,bitcount=0;
- unsigned long values[TESTWORDS];
- int len[TESTWORDS];
- unsigned char flat[4*TESTWORDS]; /* max possible needed size */
-
- memset(flat,0,sizeof(flat));
- fprintf(stderr,"\rRandomized testing (LSb)... (%ld) ",10000-i);
-
- /* generate a list of words and lengths */
- /* write the required number of bits out to packbuffer */
- {
- long word=0;
- long bit=0;
- int k;
-
- for(j=0;j<TESTWORDS;j++){
- values[j]=rand();
- len[j]=(rand()%33);
-
- for(k=0;k<len[j];k++){
- flat[word] |= ((values[j]>>k)&0x1)<<bit;
- bit++;
- bitcount++;
- if(bit>7){
- bit=0;
- word++;
- }
- }
- }
- }
- count2=(bitcount+7)>>3;
-
- /* construct random-length buffer chain from flat vector; random
- byte starting offset within the length of the vector */
- {
- ogg_reference *or=NULL,*orl=NULL;
- long pos=0;
-
- /* build buffer chain */
- while(count2){
- int ilen=(rand()%32),k;
- int ibegin=(rand()%32);
-
-
- if(ilen>count2)ilen=count2;
-
- if(or)
- orl=ogg_buffer_extend(orl,64);
- else
- or=orl=ogg_buffer_alloc(bs,64);
-
- orl->length=ilen;
- orl->begin=ibegin;
-
- for(k=0;k<ilen;k++)
- orl->buffer->data[ibegin++]= flat[pos++];
-
- count2-=ilen;
- }
-
- if(ogg_buffer_length(or)!=(bitcount+7)/8){
- fprintf(stderr,"\nERROR: buffer length incorrect after build.\n");
- exit(1);
- }
-
-
- {
- int begin=0; //=(rand()%TESTWORDS);
- int ilen=(rand()%(TESTWORDS-begin));
- int bitoffset,bitcount=0;
- unsigned long temp;
-
- for(j=0;j<begin;j++)
- bitcount+=len[j];
- or=ogg_buffer_pretruncate(or,bitcount/8);
- bitoffset=bitcount%=8;
- for(;j<begin+ilen;j++)
- bitcount+=len[j];
- ogg_buffer_posttruncate(or,((bitcount+7)/8));
-
- if((count=ogg_buffer_length(or))!=(bitcount+7)/8){
- fprintf(stderr,"\nERROR: buffer length incorrect after truncate.\n");
- exit(1);
- }
-
- oggpack_readinit(&o,or);
-
- /* verify bit count */
- if(oggpack_bits(&o)!=0){
- fprintf(stderr,"\nERROR: Read bitcounter not zero!\n");
- exit(1);
- }
- if(oggpack_bytes(&o)!=0){
- fprintf(stderr,"\nERROR: Read bytecounter not zero!\n");
- exit(1);
- }
-
- bitcount=bitoffset;
- oggpack_read(&o,bitoffset);
-
- /* read and compare to original list */
- for(j=begin;j<begin+ilen;j++){
- temp=oggpack_read(&o,len[j]);
- if(temp==0xffffffffUL){
- fprintf(stderr,"\nERROR: End of stream too soon! word: %ld,%d\n",
- j-begin,ilen);
- exit(1);
- }
- if(temp!=(values[j]&mask[len[j]])){
- fprintf(stderr,"\nERROR: Incorrect read %lx != %lx, word %ld, len %d\n"
-,
- values[j]&mask[len[j]],temp,j-begin,len[j]);
- exit(1);
- }
- bitcount+=len[j];
- if(oggpack_bits(&o)!=bitcount){
- fprintf(stderr,"\nERROR: Read bitcounter %d != %ld!\n",
- bitcount,oggpack_bits(&o));
- exit(1);
- }
- if(oggpack_bytes(&o)!=(bitcount+7)/8){
- fprintf(stderr,"\nERROR: Read bytecounter %d != %ld!\n",
- (bitcount+7)/8,oggpack_bytes(&o));
- exit(1);
- }
-
- }
- _end_verify(count);
-
- /* look/adv version */
- oggpack_readinit(&o,or);
- bitcount=bitoffset;
- oggpack_adv(&o,bitoffset);
-
- /* read and compare to original list */
- for(j=begin;j<begin+ilen;j++){
- temp=oggpack_look(&o,len[j]);
-
- if(temp==0xffffffffUL){
- fprintf(stderr,"\nERROR: End of stream too soon! word: %ld\n",
- j-begin);
- exit(1);
- }
- if(temp!=(values[j]&mask[len[j]])){
- fprintf(stderr,"\nERROR: Incorrect look %lx != %lx, word %ld, len %d\n"
-,
- values[j]&mask[len[j]],temp,j-begin,len[j]);
- exit(1);
- }
- oggpack_adv(&o,len[j]);
- bitcount+=len[j];
- if(oggpack_bits(&o)!=bitcount){
- fprintf(stderr,"\nERROR: Look/Adv bitcounter %d != %ld!\n",
- bitcount,oggpack_bits(&o));
- exit(1);
- }
- if(oggpack_bytes(&o)!=(bitcount+7)/8){
- fprintf(stderr,"\nERROR: Look/Adv bytecounter %d != %ld!\n",
- (bitcount+7)/8,oggpack_bytes(&o));
- exit(1);
- }
-
- }
- _end_verify2(count);
-
- }
- ogg_buffer_release(or);
- }
- }
- fprintf(stderr,"\rRandomized testing (LSb)... ok. \n");
-
- return(0);
-}
-
-#ifdef _WIN32_WCE
-int WinMain(void){
- return main();
-}
-#endif
-
-#endif
generated by cgit v1.1 at 2024-04-29 13:00:57 +0000