int checkhang()
{
long ptr[4];
first_init=0;
buffptr(ptr);
#ifdef DEBUG
fprintf(stderr,"first_buf=%lx ptr[0]=%lx\n",first_buf,ptr[0]);
#endif
if(ptr[0]-first_buf < 512)
{
#ifdef DEBUG
fprintf(stderr,"init failed, trying again!\n");
fprintf(stderr,"first_buf=%lx ptr[0]=%lx\n",first_buf,ptr[0]);
#endif
Fseek(o_filepos,fd,0);
filepos = o_filepos;
init_replay();
return 1;
}
return 0;
}
long calc_time()
{
long ptr[4];
if(buf_init)
buffptr(ptr);
else
ptr[0]=(long)buffer_mem;
return (bufferpos+ptr[0]-(long)buffer_mem)/(mp2info.bitrate/8);
}
//wrapper to deal with advance sprintf formating options with automatic length finding
//can't take strings by reference because of "va_start", so overload it with char *
std::string fmt::FormatV(const char *fmt, va_list args)
{
size_t length = 256;
std::string str;
for (;;)
{
std::vector<char> buffptr(length);
size_t printlen = vsnprintf(buffptr.data(), length, fmt, args);
if (printlen < length)
{
str = std::string(buffptr.data(), printlen);
break;
}
length *= 2;
}
return str;
}
int replay_sample(FILE *fp, long f_size)
{
long f_left;
SndBufPtr pointer;
f_left = f_size;
init_sound_system();
load_dsample(sound, fp, &f_left, sizeof(sound)/2);
printf("\rPlayback sound\n");
buffoper(0x3);
load_dsample(sound+sizeof(sound)/2, fp, &f_left, sizeof(sound)/2);
buffptr(&pointer);
while(pointer.play < sound+sizeof(sound)/2)
buffptr(&pointer);
while (f_left > 0) {
buffptr(&pointer);
while(pointer.play < sound+sizeof(sound)/2)
buffptr(&pointer);
printf("\r%lds ", (f_size-f_left)/(4*options.frequency)); fflush(stdout);
load_dsample(sound, fp, &f_left, sizeof(sound)/2);
buffptr(&pointer);
while(pointer.play > sound+sizeof(sound)/2)
buffptr(&pointer);
printf("\r%lds ", (f_size-f_left)/(4*options.frequency)); fflush(stdout);
load_dsample(sound+sizeof(sound)/2, fp, &f_left, sizeof(sound)/2);
if (!f_left) {
fseek(fp, 0, 0);
f_left = filelength(fp);
}
}
buffptr(&pointer);
while(pointer.play < sound+sizeof(sound)/2 && !Bconstat(2))
buffptr(&pointer);
load_dsample(sound, fp, &f_left, sizeof(sound)/2);
buffoper(0x0);
exit_sound_system();
return(0);
}