public GetTuningChannel ( TvDatabase.TuningDetail detail ) : IChannel | ||
detail | TvDatabase.TuningDetail | |
Результат | IChannel |
private void DoScan() { int tvChannelsNew = 0; int radioChannelsNew = 0; int tvChannelsUpdated = 0; int radioChannelsUpdated = 0; string buttonText = mpButtonScanTv.Text; try { _isScanning = true; _stopScanning = false; mpButtonScanTv.Text = "Cancel..."; RemoteControl.Instance.EpgGrabberEnabled = false; if (_atscChannels.Count == 0) return; mpComboBoxFrequencies.Enabled = false; listViewStatus.Items.Clear(); TvBusinessLayer layer = new TvBusinessLayer(); Card card = layer.GetCardByDevicePath(RemoteControl.Instance.CardDevice(_cardNumber)); IUser user = new User(); user.CardId = _cardNumber; int minchan = 2; int maxchan = 69 + 1; if ((string)mpComboBoxTuningMode.SelectedItem == "Clear QAM Cable") { minchan = 1; maxchan = _atscChannels.Count + 1; } else if ((string)mpComboBoxTuningMode.SelectedItem == "Digital Cable") { minchan = 0; maxchan = 1; } for (int index = minchan; index < maxchan; ++index) { if (_stopScanning) return; float percent = ((float)(index)) / (maxchan - minchan); percent *= 100f; if (percent > 100f) percent = 100f; progressBar1.Value = (int)percent; ATSCChannel tuneChannel = new ATSCChannel(); tuneChannel.NetworkId = -1; tuneChannel.TransportId = -1; tuneChannel.ServiceId = -1; tuneChannel.MinorChannel = -1; tuneChannel.MajorChannel = -1; string line; if ((string)mpComboBoxTuningMode.SelectedItem == "Clear QAM Cable") { tuneChannel.PhysicalChannel = index; tuneChannel.Frequency = _atscChannels[index - 1].frequency; if (tuneChannel.Frequency < 10000) { continue; } tuneChannel.ModulationType = ModulationType.Mod256Qam; line = string.Format("physical channel = {0}, frequency = {1} kHz, modulation = 256 QAM", tuneChannel.PhysicalChannel, tuneChannel.Frequency); Log.Info("ATSC: scanning clear QAM cable, {0}, frequency plan = {1}", line, mpComboBoxFrequencies.SelectedItem); } else if ((string)mpComboBoxTuningMode.SelectedItem == "ATSC Digital Terrestrial") { tuneChannel.PhysicalChannel = index; tuneChannel.Frequency = -1; tuneChannel.ModulationType = ModulationType.Mod8Vsb; line = string.Format("physical channel = {0}, modulation = 8 VSB", tuneChannel.PhysicalChannel); Log.Info("ATSC: scanning ATSC over-the-air, {0}", line); } else { tuneChannel.PhysicalChannel = 0; tuneChannel.ModulationType = ModulationType.Mod256Qam; line = "out-of-band service information"; Log.Info("ATSC: scanning digital cable, {0}", line); } line += "... "; ListViewItem item = listViewStatus.Items.Add(new ListViewItem(line)); item.EnsureVisible(); if (index == minchan) { RemoteControl.Instance.Scan(ref user, tuneChannel, -1); } IChannel[] channels = RemoteControl.Instance.Scan(_cardNumber, tuneChannel); UpdateStatus(); if (channels == null || channels.Length == 0) { if (tuneChannel.PhysicalChannel > 0 && !RemoteControl.Instance.TunerLocked(_cardNumber)) { line += "no signal"; } else { line += "signal locked, no channels found"; } item.Text = line; item.ForeColor = Color.Red; continue; } int newChannels = 0; int updatedChannels = 0; for (int i = 0; i < channels.Length; ++i) { Channel dbChannel; ATSCChannel channel = (ATSCChannel)channels[i]; //No support for channel moving, or merging with existing channels here. //We do not know how ATSC works to correctly implement this. TuningDetail currentDetail = layer.GetTuningDetail(channel); if (currentDetail != null) { if (channel.IsDifferentTransponder(layer.GetTuningChannel(currentDetail))) { currentDetail = null; } } bool exists; if (currentDetail == null) { //add new channel exists = false; dbChannel = layer.AddNewChannel(channel.Name, channel.LogicalChannelNumber); dbChannel.SortOrder = 10000; if (channel.LogicalChannelNumber >= 1) { dbChannel.SortOrder = channel.LogicalChannelNumber; } } else { exists = true; dbChannel = currentDetail.ReferencedChannel(); } dbChannel.IsTv = channel.IsTv; dbChannel.IsRadio = channel.IsRadio; dbChannel.Persist(); if (dbChannel.IsTv) { layer.AddChannelToGroup(dbChannel, TvConstants.TvGroupNames.AllChannels); } if (dbChannel.IsRadio) { layer.AddChannelToRadioGroup(dbChannel, TvConstants.RadioGroupNames.AllChannels); } if (currentDetail == null) { layer.AddTuningDetails(dbChannel, channel); } else { //update tuning details... TuningDetail td = layer.UpdateTuningDetails(dbChannel, channel, currentDetail); td.Persist(); } if (channel.IsTv) { if (exists) { tvChannelsUpdated++; updatedChannels++; } else { tvChannelsNew++; newChannels++; } } if (channel.IsRadio) { if (exists) { radioChannelsUpdated++; updatedChannels++; } else { radioChannelsNew++; newChannels++; } } layer.MapChannelToCard(card, dbChannel, false); } line += string.Format("new = {0}, updated = {1}", newChannels, updatedChannels); item.Text = line; Log.Info("ATSC: scan result, new = {0}, updated = {1}", newChannels, updatedChannels); } } catch (Exception ex) { Log.Write(ex); } finally { IUser user = new User(); user.CardId = _cardNumber; RemoteControl.Instance.StopCard(user); RemoteControl.Instance.EpgGrabberEnabled = true; progressBar1.Value = 100; mpComboBoxTuningMode.Enabled = true; UpdateQamFrequencyFieldAvailability(); mpButtonScanTv.Text = buttonText; _isScanning = false; } listViewStatus.Items.Add( new ListViewItem(String.Format("Total radio channels, new = {0}, updated = {1}", radioChannelsNew, radioChannelsUpdated))); listViewStatus.Items.Add( new ListViewItem(String.Format("Total TV channels, new = {0} updated = {1}", tvChannelsNew, tvChannelsUpdated))); ListViewItem lastItem = listViewStatus.Items.Add(new ListViewItem("Scan done!")); lastItem.EnsureVisible(); Log.Info("ATSC: scan summary, new TV = {0}, updated TV = {1}, new radio = {2}, updated radio = {3}", tvChannelsNew, tvChannelsUpdated, radioChannelsNew, radioChannelsUpdated); }