/*{{{ AudioRelease*/
static int AudioRelease (struct inode* Inode,
struct file* File)
{
struct dvb_device* DvbDevice = (struct dvb_device*)File->private_data;
struct DeviceContext_s* Context = (struct DeviceContext_s*)DvbDevice->priv;
struct DvbContext_s* DvbContext = Context->DvbContext;
DVB_DEBUG("\n");
if ((File->f_flags & O_ACCMODE) != O_RDONLY)
{
mutex_lock (&(DvbContext->Lock));
if (Context->AudioStream != NULL)
{
unsigned int MutexIsLocked = true;
/* Discard previously injected data to free the lock. */
StreamDrain (Context->AudioStream, true);
if (mutex_lock_interruptible (Context->ActiveAudioWriteLock) != 0)
MutexIsLocked = false;
PlaybackRemoveStream (Context->Playback, Context->AudioStream);
Context->AudioStream = NULL;
if (MutexIsLocked)
mutex_unlock (Context->ActiveAudioWriteLock);
}
DisplayDelete (BACKEND_AUDIO_ID, Context->Id);
/* Check to see if video and demux have also finished so we can release the playback */
if ((Context->VideoStream == NULL) && (Context->DemuxStream == NULL) && (Context->Playback != NULL))
{
/* Check to see if our playback has already been deleted by the demux context */
if (Context->DemuxContext->Playback != NULL)
{
/* Try and delete playback then set our demux to Null if succesful or not. If we fail someone else
is still using it but we are done. */
if (PlaybackDelete (Context->Playback) == 0)
DVB_DEBUG("Playback deleted successfully\n");
}
Context->Playback = NULL;
Context->StreamType = STREAM_TYPE_TRANSPORT;
Context->PlaySpeed = DVB_SPEED_NORMAL_PLAY;
Context->PlayInterval.start = DVB_TIME_NOT_BOUNDED;
Context->PlayInterval.end = DVB_TIME_NOT_BOUNDED;
Context->SyncContext = Context;
}
AudioInit (Context);
mutex_unlock (&(DvbContext->Lock));
}
return dvb_generic_release (Inode, File);
}
static int video_release(struct inode *inode, struct file *file)
{
struct dvb_device *dvbdev = file->private_data;
struct ngene_channel *chan = dvbdev->priv;
struct ngene *dev = chan->dev;
struct ngene_channel *chan0 = &chan->dev->channel[0];
ngene_command_stream_control(dev, 0, 0, 0, 0);
chan0->pBufferExchange = 0;
return dvb_generic_release(inode, file);
}
static int dvb_frontend_release (struct inode *inode, struct file *file)
{
struct dvb_device *dvbdev = file->private_data;
struct dvb_frontend *fe = dvbdev->priv;
dprintk ("%s\n", __FUNCTION__);
if ((file->f_flags & O_ACCMODE) != O_RDONLY)
fe->release_jiffies = jiffies;
return dvb_generic_release (inode, file);
}
static int dvb_frontend_open (struct inode *inode, struct file *file)
{
struct dvb_device *dvbdev = file->private_data;
struct dvb_frontend *fe = dvbdev->priv;
int ret;
dprintk ("%s\n", __FUNCTION__);
if ((ret = dvb_generic_open (inode, file)) < 0)
return ret;
if ((file->f_flags & O_ACCMODE) != O_RDONLY) {
ret = dvb_frontend_start (fe);
if (ret)
dvb_generic_release (inode, file);
/* empty event queue */
fe->events.eventr = fe->events.eventw = 0;
}
return ret;
}
