static int Demux( demux_t *demux )
{
demux_sys_t *sys = demux->p_sys;
struct pollfd ufd;
ufd.fd = sys->i_fd;
ufd.events = POLLIN|POLLPRI;
/* Wait for data */
/* FIXME: remove timeout */
while( poll( &ufd, 1, 500 ) == -1 )
if( errno != EINTR )
{
msg_Err( demux, "poll error: %m" );
return -1;
}
if( ufd.revents == 0 )
return 1;
block_t *block;
if( sys->io == IO_METHOD_READ )
block = BlockRead( VLC_OBJECT(demux), ufd.fd, sys->blocksize );
else
block = GrabVideo( VLC_OBJECT(demux), sys );
if( block == NULL )
return 1;
block->i_pts = block->i_dts = mdate();
block->i_flags |= sys->i_block_flags;
es_out_Control( demux->out, ES_OUT_SET_PCR, block->i_pts );
es_out_Send( demux->out, sys->p_es, block );
return 1;
}
static int Demux( demux_t *p_demux )
{
demux_sys_t *p_sys = p_demux->p_sys;
block_t *p_blocka = NULL;
block_t *p_blockv = NULL;
/* Try grabbing audio frames first */
if( p_sys->fd_audio >= 0 )
p_blocka = GrabAudio( p_demux );
/* Try grabbing video frame */
p_blockv = GrabVideo( p_demux );
if( !p_blocka && !p_blockv )
{
/* Sleep so we do not consume all the cpu, 10ms seems
* like a good value (100fps)
*/
msleep( 10000 );
return 1;
}
if( p_blocka )
{
es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_blocka->i_pts );
es_out_Send( p_demux->out, p_sys->p_es_audio, p_blocka );
}
if( p_blockv )
{
es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_blockv->i_pts );
es_out_Send( p_demux->out, p_sys->p_es_video, p_blockv );
}
return 1;
}
static block_t *MMapBlock (access_t *access)
{
access_sys_t *sys = access->p_sys;
if (AccessPoll (access))
return NULL;
block_t *block = GrabVideo (VLC_OBJECT(access), sys->fd, sys->bufv);
if( block != NULL )
{
block->i_pts = block->i_dts = mdate();
block->i_flags |= sys->block_flags;
}
return block;
}
static block_t *AccessRead( access_t *access )
{
demux_sys_t *sys = (demux_sys_t *)access->p_sys;
struct pollfd fd;
fd.fd = sys->i_fd;
fd.events = POLLIN|POLLPRI;
fd.revents = 0;
/* Wait for data */
/* FIXME: kill timeout */
if( poll( &fd, 1, 500 ) <= 0 )
return NULL;
block_t *block = GrabVideo( VLC_OBJECT(access), sys );
if( block != NULL )
{
block->i_pts = block->i_dts = mdate();
block->i_flags |= sys->i_block_flags;
}
return block;
}
