HRESULT create_channel( WS_CHANNEL_TYPE type, WS_CHANNEL_BINDING binding,
const WS_CHANNEL_PROPERTY *properties, ULONG count, struct channel **ret )
{
struct channel *channel;
ULONG i, msg_size = 65536;
HRESULT hr;
if (!(channel = alloc_channel())) return E_OUTOFMEMORY;
prop_set( channel->prop, channel->prop_count, WS_CHANNEL_PROPERTY_MAX_BUFFERED_MESSAGE_SIZE,
&msg_size, sizeof(msg_size) );
for (i = 0; i < count; i++)
{
hr = prop_set( channel->prop, channel->prop_count, properties[i].id, properties[i].value,
properties[i].valueSize );
if (hr != S_OK)
{
free_channel( channel );
return hr;
}
}
channel->type = type;
channel->binding = binding;
*ret = channel;
return S_OK;
}
int fdtv_start_feed(struct dvb_demux_feed *dvbdmxfeed)
{
struct firedtv *fdtv = dvbdmxfeed->demux->priv;
int pidc, c, ret;
u16 pids[16];
switch (dvbdmxfeed->type) {
case DMX_TYPE_TS:
case DMX_TYPE_SEC:
break;
default:
dev_err(fdtv->device, "can't start dmx feed: invalid type %u\n",
dvbdmxfeed->type);
return -EINVAL;
}
if (mutex_lock_interruptible(&fdtv->demux_mutex))
return -EINTR;
if (dvbdmxfeed->type == DMX_TYPE_TS) {
switch (dvbdmxfeed->pes_type) {
case DMX_PES_VIDEO:
case DMX_PES_AUDIO:
case DMX_PES_TELETEXT:
case DMX_PES_PCR:
case DMX_PES_OTHER:
c = alloc_channel(fdtv);
break;
default:
dev_err(fdtv->device,
"can't start dmx feed: invalid pes type %u\n",
dvbdmxfeed->pes_type);
ret = -EINVAL;
goto out;
}
} else {
c = alloc_channel(fdtv);
}
if (c > 15) {
dev_err(fdtv->device, "can't start dmx feed: busy\n");
ret = -EBUSY;
goto out;
}
dvbdmxfeed->priv = (typeof(dvbdmxfeed->priv))(unsigned long)c;
fdtv->channel_pid[c] = dvbdmxfeed->pid;
collect_channels(fdtv, &pidc, pids);
if (dvbdmxfeed->pid == 8192) {
ret = avc_tuner_get_ts(fdtv);
if (ret) {
dealloc_channel(fdtv, c);
dev_err(fdtv->device, "can't get TS\n");
goto out;
}
} else {
ret = avc_tuner_set_pids(fdtv, pidc, pids);
if (ret) {
dealloc_channel(fdtv, c);
dev_err(fdtv->device, "can't set PIDs\n");
goto out;
}
}
out:
mutex_unlock(&fdtv->demux_mutex);
return ret;
}
