static int pvr2_dvb_feed_func(struct pvr2_dvb_adapter *adap)
{
int ret;
unsigned int count;
struct pvr2_buffer *bp;
struct pvr2_stream *stream;
pvr2_trace(PVR2_TRACE_DVB_FEED, "dvb feed thread started");
set_freezable();
stream = adap->channel.stream->stream;
for (;;) {
if (kthread_should_stop()) break;
/* Not sure about this... */
try_to_freeze();
bp = pvr2_stream_get_ready_buffer(stream);
if (bp != NULL) {
count = pvr2_buffer_get_count(bp);
if (count) {
dvb_dmx_swfilter(
&adap->demux,
adap->buffer_storage[
pvr2_buffer_get_id(bp)],
count);
} else {
ret = pvr2_buffer_get_status(bp);
if (ret < 0) break;
}
ret = pvr2_buffer_queue(bp);
if (ret < 0) break;
/* Since we know we did something to a buffer,
just go back and try again. No point in
blocking unless we really ran out of
buffers to process. */
continue;
}
/* Wait until more buffers become available or we're
told not to wait any longer. */
ret = wait_event_interruptible(
adap->buffer_wait_data,
(pvr2_stream_get_ready_count(stream) > 0) ||
kthread_should_stop());
if (ret < 0) break;
}
/* If we get here and ret is < 0, then an error has occurred.
Probably would be a good idea to communicate that to DVB core... */
pvr2_trace(PVR2_TRACE_DVB_FEED, "dvb feed thread stopped");
return 0;
}
static int pvr2_dvb_feed_func(struct pvr2_dvb_adapter *adap)
{
int ret;
unsigned int count;
struct pvr2_buffer *bp;
struct pvr2_stream *stream;
pvr2_trace(PVR2_TRACE_DVB_FEED, "dvb feed thread started");
set_freezable();
stream = adap->channel.stream->stream;
for (;;) {
if (kthread_should_stop()) break;
try_to_freeze();
bp = pvr2_stream_get_ready_buffer(stream);
if (bp != NULL) {
count = pvr2_buffer_get_count(bp);
if (count) {
dvb_dmx_swfilter(
&adap->demux,
adap->buffer_storage[
pvr2_buffer_get_id(bp)],
count);
} else {
ret = pvr2_buffer_get_status(bp);
if (ret < 0) break;
}
ret = pvr2_buffer_queue(bp);
if (ret < 0) break;
continue;
}
ret = wait_event_interruptible(
adap->buffer_wait_data,
(pvr2_stream_get_ready_count(stream) > 0) ||
kthread_should_stop());
if (ret < 0) break;
}
pvr2_trace(PVR2_TRACE_DVB_FEED, "dvb feed thread stopped");
return 0;
}