/*****************************************************************************
* Frontend events
*****************************************************************************/
static void FrontendRead(struct ev_loop *loop, struct ev_io *w, int revents)
{
struct dvb_frontend_event event;
fe_status_t i_status, i_diff;
for( ;; )
{
int i_ret = ioctl( i_frontend, FE_GET_EVENT, &event );
if( i_ret < 0 )
{
if( errno == EWOULDBLOCK )
return; /* no more events */
msg_Err( NULL, "reading frontend event failed (%d) %s",
i_ret, strerror(errno) );
return;
}
i_status = event.status;
i_diff = i_status ^ i_last_status;
i_last_status = i_status;
{
#define IF_UP( x ) \
} \
if ( i_diff & (x) ) \
{ \
if ( i_status & (x) )
IF_UP( FE_HAS_SIGNAL )
msg_Dbg( NULL, "frontend has acquired signal" );
else
msg_Dbg( NULL, "frontend has lost signal" );
IF_UP( FE_HAS_CARRIER )
msg_Dbg( NULL, "frontend has acquired carrier" );
else
msg_Dbg( NULL, "frontend has lost carrier" );
IF_UP( FE_HAS_VITERBI )
msg_Dbg( NULL, "frontend has acquired stable FEC" );
else
/*****************************************************************************
* FrontendPoll : Poll for frontend events
*****************************************************************************/
void FrontendPoll( access_t *p_access )
{
access_sys_t *p_sys = p_access->p_sys;
frontend_t * p_frontend = p_sys->p_frontend;
struct dvb_frontend_event event;
fe_status_t i_status, i_diff;
for( ;; )
{
if( ioctl( p_sys->i_frontend_handle, FE_GET_EVENT, &event ) < 0 )
{
if( errno != EWOULDBLOCK )
msg_Err( p_access, "frontend event error: %m" );
return;
}
i_status = event.status;
i_diff = i_status ^ p_frontend->i_last_status;
p_frontend->i_last_status = i_status;
{
#define IF_UP( x ) \
} \
if ( i_diff & (x) ) \
{ \
if ( i_status & (x) )
IF_UP( FE_HAS_SIGNAL )
msg_Dbg( p_access, "frontend has acquired signal" );
else
msg_Dbg( p_access, "frontend has lost signal" );
IF_UP( FE_HAS_CARRIER )
msg_Dbg( p_access, "frontend has acquired carrier" );
else
msg_Dbg( p_access, "frontend has lost carrier" );
IF_UP( FE_HAS_VITERBI )
msg_Dbg( p_access, "frontend has acquired stable FEC" );
else
