/***********************************************************************
* hb_bd_read
***********************************************************************
*
**********************************************************************/
hb_buffer_t * hb_bd_read( hb_bd_t * d )
{
int result;
int error_count = 0;
uint8_t buf[192];
BD_EVENT event;
uint64_t pos;
hb_buffer_t * out = NULL;
uint8_t discontinuity;
while ( 1 )
{
discontinuity = 0;
result = next_packet( d->bd, buf );
if ( result < 0 )
{
hb_error("bd: Read Error");
pos = bd_tell( d->bd );
bd_seek( d->bd, pos + 192 );
error_count++;
if (error_count > 10)
{
hb_error("bd: Error, too many consecutive read errors");
hb_set_work_error(d->h, HB_ERROR_READ);
return NULL;
}
continue;
}
else if ( result == 0 )
{
return NULL;
}
error_count = 0;
while ( bd_get_event( d->bd, &event ) )
{
switch ( event.event )
{
case BD_EVENT_CHAPTER:
// The muxers expect to only get chapter 2 and above
// They write chapter 1 when chapter 2 is detected.
if (event.param > d->chapter)
{
d->next_chap = event.param;
}
break;
case BD_EVENT_PLAYITEM:
discontinuity = 1;
hb_deep_log(2, "bd: Playitem %u", event.param);
break;
case BD_EVENT_STILL:
bd_read_skip_still( d->bd );
break;
default:
break;
}
}
// buf+4 to skip the BD timestamp at start of packet
if (d->chapter != d->next_chap)
{
d->chapter = d->next_chap;
out = hb_ts_decode_pkt(d->stream, buf+4, d->chapter, discontinuity);
}
else
{
out = hb_ts_decode_pkt(d->stream, buf+4, 0, discontinuity);
}
if (out != NULL)
{
return out;
}
}
return NULL;
}
/***********************************************************************
* hb_bd_read
***********************************************************************
*
**********************************************************************/
hb_buffer_t * hb_bd_read( hb_bd_t * d )
{
int result;
int error_count = 0;
uint8_t buf[192];
BD_EVENT event;
uint64_t pos;
hb_buffer_t * b;
uint8_t discontinuity;
int new_chap = 0;
discontinuity = 0;
while ( 1 )
{
if ( d->next_chap != d->chapter )
{
new_chap = d->chapter = d->next_chap;
}
result = next_packet( d->bd, buf );
if ( result < 0 )
{
hb_error("bd: Read Error");
pos = bd_tell( d->bd );
bd_seek( d->bd, pos + 192 );
error_count++;
if (error_count > 10)
{
hb_error("bd: Error, too many consecutive read errors");
return 0;
}
continue;
}
else if ( result == 0 )
{
return 0;
}
error_count = 0;
while ( bd_get_event( d->bd, &event ) )
{
switch ( event.event )
{
case BD_EVENT_CHAPTER:
// The muxers expect to only get chapter 2 and above
// They write chapter 1 when chapter 2 is detected.
d->next_chap = event.param;
break;
case BD_EVENT_PLAYITEM:
discontinuity = 1;
hb_deep_log(2, "bd: Playitem %u", event.param);
break;
case BD_EVENT_STILL:
bd_read_skip_still( d->bd );
break;
default:
break;
}
}
// buf+4 to skip the BD timestamp at start of packet
b = hb_ts_decode_pkt( d->stream, buf+4 );
if ( b )
{
b->s.discontinuity = discontinuity;
b->s.new_chap = new_chap;
return b;
}
}
return NULL;
}
