int main(){
OggVorbis_File ov;
int i,ret;
ogg_int64_t pcmlength;
double timelength;
char *bigassbuffer;
int dummy;
int hs=0;
#ifdef _WIN32 /* We need to set stdin/stdout to binary mode. Damn windows. */
_setmode( _fileno( stdin ), _O_BINARY );
#endif
/* open the file/pipe on stdin */
if(ov_open_callbacks(stdin,&ov,NULL,-1,OV_CALLBACKS_NOCLOSE)<0){
fprintf(stderr,"Could not open input as an OggVorbis file.\n\n");
exit(1);
}
#if 0 /*enable this code to test seeking with halfrate decode */
if(ov_halfrate(&ov,1)){
fprintf(stderr,"Sorry; unable to set half-rate decode.\n\n");
exit(1);
}else
hs=1;
#endif
if(ov_seekable(&ov)){
/* to simplify our own lives, we want to assume the whole file is
stereo. Verify this to avoid potentially mystifying users
(pissing them off is OK, just don't confuse them) */
for(i=0;i<ov.links;i++){
vorbis_info *vi=ov_info(&ov,i);
if(vi->channels!=2){
fprintf(stderr,"Sorry; right now seeking_test can only use Vorbis files\n"
"that are entirely stereo.\n\n");
exit(1);
}
}
/* because we want to do sample-level verification that the seek
does what it claimed, decode the entire file into memory */
pcmlength=ov_pcm_total(&ov,-1);
timelength=ov_time_total(&ov,-1);
bigassbuffer=malloc((pcmlength>>hs)*2); /* w00t */
i=0;
while(i<(pcmlength>>hs)*2){
int ret=ov_read(&ov,bigassbuffer+i,((pcmlength>>hs)*2)-i,1,1,1,&dummy);
if(ret<0){
fprintf(stderr,"Error reading file.\n");
exit(1);
}
if(ret){
i+=ret;
}else{
pcmlength=(i/2)<<hs;
}
fprintf(stderr,"\rloading.... [%ld left] ",
(long)((pcmlength>>hs)*2-i));
}
{
ogg_int64_t length=ov.end;
fprintf(stderr,"\rtesting raw seeking to random places in %ld bytes....\n",
(long)length);
for(i=0;i<1000;i++){
ogg_int64_t val=(double)rand()/RAND_MAX*length;
fprintf(stderr,"\r\t%d [raw position %ld]... ",i,(long)val);
ret=ov_raw_seek(&ov,val);
if(ret<0){
fprintf(stderr,"seek failed: %d\n",ret);
exit(1);
}
_verify(&ov,val,-1,-1.,pcmlength,bigassbuffer);
}
}
fprintf(stderr,"\r");
{
fprintf(stderr,"testing pcm page seeking to random places in %ld samples....\n",
(long)pcmlength);
for(i=0;i<1000;i++){
ogg_int64_t val= i==0?(ogg_int64_t)0:(double)rand()/RAND_MAX*pcmlength;
fprintf(stderr,"\r\t%d [pcm position %ld]... ",i,(long)val);
ret=ov_pcm_seek_page(&ov,val);
if(ret<0){
fprintf(stderr,"seek failed: %d\n",ret);
exit(1);
}
_verify(&ov,-1,val,-1.,pcmlength,bigassbuffer);
}
}
fprintf(stderr,"\r");
{
fprintf(stderr,"testing pcm exact seeking to random places in %f seconds....\n",
timelength);
for(i=0;i<1000;i++){
ogg_int64_t val= i==0?(ogg_int64_t)0:(double)rand()/RAND_MAX*pcmlength;
fprintf(stderr,"\r\t%d [pcm position %ld]... ",i,(long)val);
ret=ov_pcm_seek(&ov,val);
if(ret<0){
fprintf(stderr,"seek failed: %d\n",ret);
exit(1);
}
if(ov_pcm_tell(&ov)!=((val>>hs)<<hs)){
fprintf(stderr,"Declared position didn't perfectly match request: %ld != %ld\n",
(long)val,(long)ov_pcm_tell(&ov));
exit(1);
}
_verify(&ov,-1,val,-1.,pcmlength,bigassbuffer);
}
}
fprintf(stderr,"\r");
{
fprintf(stderr,"testing time page seeking to random places in %f seconds....\n",
timelength);
for(i=0;i<1000;i++){
double val=(double)rand()/RAND_MAX*timelength;
fprintf(stderr,"\r\t%d [time position %f]... ",i,val);
ret=ov_time_seek_page(&ov,val);
if(ret<0){
fprintf(stderr,"seek failed: %d\n",ret);
exit(1);
}
_verify(&ov,-1,-1,val,pcmlength,bigassbuffer);
}
}
fprintf(stderr,"\r");
{
fprintf(stderr,"testing time exact seeking to random places in %f seconds....\n",
timelength);
for(i=0;i<1000;i++){
double val=(double)rand()/RAND_MAX*timelength;
fprintf(stderr,"\r\t%d [time position %f]... ",i,val);
ret=ov_time_seek(&ov,val);
if(ret<0){
fprintf(stderr,"seek failed: %d\n",ret);
exit(1);
}
if(ov_time_tell(&ov)<val-1 || ov_time_tell(&ov)>val+1){
fprintf(stderr,"Declared position didn't perfectly match request: %f != %f\n",
val,ov_time_tell(&ov));
exit(1);
}
_verify(&ov,-1,-1,val,pcmlength,bigassbuffer);
}
}
fprintf(stderr,"\r \nOK.\n\n");
}else{
void FVorbisAudioInfo::EnableHalfRate( bool HalfRate )
{
FScopeLock ScopeLock(&VorbisCriticalSection);
ov_halfrate( &VFWrapper->vf, int32(HalfRate));
}
