void buffer_drain(void)
{
#ifndef NOXFERMEM
int s;
while ((s = xfermem_get_usedspace(buffermem)))
{
struct timeval wait170 = {0, 170000};
if(intflag) break;
buffer_ignore_lowmem();
if(param.verbose) print_stat(mh,0,s);
#ifdef HAVE_TERMIOS
if(param.term_ctrl) term_control(mh, ao);
#endif
select(0, NULL, NULL, NULL, &wait170);
}
#endif
}
off_t term_control(mpg123_handle *fr, audio_output_t *ao)
{
offset = 0;
debug1("control for frame: %li", (long)mpg123_tellframe(fr));
if(!term_enable) return 0;
if(paused)
{
/* pause_cycle counts the remaining frames _after_ this one, thus <0, not ==0 . */
if(--pause_cycle < 0)
{
pause_recycle(fr);
if(param.usebuffer)
{
while(paused && xfermem_get_usedspace(buffermem))
{
buffer_ignore_lowmem();
term_handle_input(fr, ao, TRUE);
}
/* Undo the cycling offset if we are done with cycling. */
if(!paused) pause_uncycle();
}
}
}
do
{
term_handle_input(fr, ao, stopped|seeking);
if((offset < 0) && (-offset > framenum)) offset = - framenum;
if(param.verbose && offset != 0)
print_stat(fr,offset,0);
} while (stopped);
/* Make the seeking experience with buffer less annoying.
No sound during seek, but at least it is possible to go backwards. */
if(offset)
{
if((offset = mpg123_seek_frame(fr, offset, SEEK_CUR)) >= 0)
debug1("seeked to %li", (long)offset);
else error1("seek failed: %s!", mpg123_strerror(fr));
/* Buffer resync already happened on un-stop? */
/* if(param.usebuffer) buffer_resync();*/
}
return 0;
}
