int setup_sound (void) { status_t err; BMediaRoster *gMediaRoster; media_node *outNode; outNode = new media_node; gMediaRoster = BMediaRoster::Roster (&err); if (gMediaRoster && err == B_OK) err = gMediaRoster->GetAudioOutput (outNode); if ((!gMediaRoster) || (err != B_OK)) { write_log ("NO MEDIA ROSTER! The media server " "appears to be dead.\n" "\t-- roster %p -- error %08lx (%ld)\n", gMediaRoster, err, err); sound_available = 0; } else sound_available = 1; return sound_available; }
status_t MediaWindow::_InitMedia(bool first) { status_t err = B_OK; BMediaRoster* roster = BMediaRoster::Roster(&err); if (first && err != B_OK) { BAlert* alert = new BAlert("start_media_server", B_TRANSLATE("Could not connect to the media server.\n" "Would you like to start it ?"), B_TRANSLATE("Quit"), B_TRANSLATE("Start media server"), NULL, B_WIDTH_AS_USUAL, B_WARNING_ALERT); alert->SetShortcut(0, B_ESCAPE); if (alert->Go() == 0) return B_ERROR; Show(); launch_media_server(); } Lock(); bool isVideoSelected = true; if (!first && fListView->ItemAt(0) != NULL && fListView->ItemAt(0)->IsSelected()) isVideoSelected = false; while (fListView->CountItems() > 0) delete fListView->RemoveItem((int32)0); _EmptyNodeLists(); // Grab Media Info _FindNodes(); // Add video nodes first. They might have an additional audio // output or input, but still should be listed as video node. _AddNodeItems(fVideoOutputs, MediaListItem::VIDEO_TYPE); _AddNodeItems(fVideoInputs, MediaListItem::VIDEO_TYPE); _AddNodeItems(fAudioOutputs, MediaListItem::AUDIO_TYPE); _AddNodeItems(fAudioInputs, MediaListItem::AUDIO_TYPE); fAudioView->AddOutputNodes(fAudioOutputs); fAudioView->AddInputNodes(fAudioInputs); fVideoView->AddOutputNodes(fVideoOutputs); fVideoView->AddInputNodes(fVideoInputs); // build our list view DeviceListItem* audio = new DeviceListItem(B_TRANSLATE("Audio settings"), MediaListItem::AUDIO_TYPE); fListView->AddItem(audio); MidiListItem* midi = new MidiListItem(B_TRANSLATE("MIDI Settings")); fListView->AddItem(midi); MediaListItem* video = new DeviceListItem(B_TRANSLATE("Video settings"), MediaListItem::VIDEO_TYPE); fListView->AddItem(video); MediaListItem* mixer = new AudioMixerListItem(B_TRANSLATE("Audio mixer")); fListView->AddItem(mixer); fListView->SortItems(&MediaListItem::Compare); _UpdateListViewMinWidth(); // Set default nodes for our setting views media_node defaultNode; dormant_node_info nodeInfo; int32 outputID; BString outputName; if (roster->GetAudioInput(&defaultNode) == B_OK) { roster->GetDormantNodeFor(defaultNode, &nodeInfo); fAudioView->SetDefaultInput(&nodeInfo); // this causes our listview to be updated as well } if (roster->GetAudioOutput(&defaultNode, &outputID, &outputName) == B_OK) { roster->GetDormantNodeFor(defaultNode, &nodeInfo); fAudioView->SetDefaultOutput(&nodeInfo); fAudioView->SetDefaultChannel(outputID); // this causes our listview to be updated as well } if (roster->GetVideoInput(&defaultNode) == B_OK) { roster->GetDormantNodeFor(defaultNode, &nodeInfo); fVideoView->SetDefaultInput(&nodeInfo); // this causes our listview to be updated as well } if (roster->GetVideoOutput(&defaultNode) == B_OK) { roster->GetDormantNodeFor(defaultNode, &nodeInfo); fVideoView->SetDefaultOutput(&nodeInfo); // this causes our listview to be updated as well } if (first) fListView->Select(fListView->IndexOf(mixer)); else if (isVideoSelected) fListView->Select(fListView->IndexOf(video)); else fListView->Select(fListView->IndexOf(audio)); Unlock(); return B_OK; }
AmFilterRoster* AmFilterRoster::Default() { if (atomic_or(&gFilterRosterCreated, 1) == 0) { gFilterRoster = new AmFilterRoster("Default Filter Roster"); gFilterRoster->AddSearchPath("%A/add-ons/Filters"); gFilterRoster->AddDirectory(B_SYSTEM_ADDONS_DIRECTORY,"AngryRedPlanet/Sequitur/Filters"); gFilterRoster->AddDirectory(B_USER_ADDONS_DIRECTORY,"AngryRedPlanet/Sequitur/Filters"); // Here are our standard filter addons... AmFilterAddOn *addon; // Forcibly add in all existing consumers, so that when we // return we have everything as it currently exists. This is // to take care of situations where, say, the file loader is the // first thing to open the roster and immediately starts trying // to instantiate consumer filters. BMidiConsumer* cons; /* Hack -- keep track of the producer / consumer names that are * installed, and if a name gets installed more than one, increment * a counter for it. This is so users can run multiple instances of * a softsynth and access each independently. */ dup_name_map dups; get_dup_consumer_names(dups); int32 id = 0; while ((cons=BMidiRoster::NextConsumer(&id)) != NULL) { if (!cons->IsLocal()) { BString msg("Installing MIDI consumer "); msg += cons->Name(); msg += "..."; am_report_startup_status(msg.String()); int32 index = 0; dup_name_map::iterator i = dups.find(BString(cons->Name())); if (i != dups.end()) { index = i->second; i->second = i->second + 1; } addon = new AmConsumerFilterAddOn(NULL, cons, index); if (addon) { printf("Installing consumer %s (#%ld)\n", cons->Name(), cons->ID()); gFilterRoster->InstallAddOn(new AmFilterAddOnHandle(addon)); #if 0 BMessage props; if( cons->GetProperties( &props ) == B_OK ) { printf("****** CONSUMER HAS PROPERTIES:\n"); props.PrintToStream(); printf("****** END PROPERTIES\n"); } #endif } } } dups.erase(dups.begin(), dups.end()); get_dup_producer_names(dups); id = 0; BMidiProducer* prod; while ((prod=BMidiRoster::NextProducer(&id)) != NULL) { if (!prod->IsLocal()) { BString msg("Installing MIDI producer "); msg += prod->Name(); msg += "..."; am_report_startup_status(msg.String()); int32 index = 0; dup_name_map::iterator i = dups.find(BString(prod->Name())); if (i != dups.end()) { index = i->second; i->second = i->second + 1; } addon = new AmProducerFilterAddOn(NULL, prod, index); if (addon) { printf("Installing producer%s (#%ld)\n", prod->Name(), prod->ID()); gFilterRoster->InstallAddOn(new AmFilterAddOnHandle(addon)); } } } /* Add in a filter for the BeOS MIDI synth if there's any * audio output. */ status_t err; am_report_startup_status("Installing MIDI Synth consumer..."); BMediaRoster* roster = BMediaRoster::Roster( &err ); if( err == B_OK && roster ) { media_node node; err = roster->GetAudioOutput( &node ); if( err == B_OK ) { // Add in a filter for the BeOS MIDI synth. if ((addon = new AmConsumerFilterAddOn(NULL)) != NULL) gFilterRoster->InstallAddOn(new AmFilterAddOnHandle(addon)); // node.ReleaseNode(); } } /* Add the generic input/output filters, for tool and multi filter pipelines. */ if ((addon = new AmNullInputAddOn(NULL)) != NULL) gFilterRoster->InstallAddOn(new AmFilterAddOnHandle(addon)); if ((addon = new AmNullOutputAddOn(NULL)) != NULL) gFilterRoster->InstallAddOn(new AmFilterAddOnHandle(addon)); // Go! gFilterRoster->Run(); } else { while (!gFilterRoster) sleep(20000); } return gFilterRoster; }
status_t MediaWindow::InitMedia(bool first) { status_t err = B_OK; BMediaRoster* roster = BMediaRoster::Roster(&err); if (first && err != B_OK) { BAlert* alert = new BAlert("start_media_server", B_TRANSLATE("Could not connect to the media server.\n" "Would you like to start it ?"), B_TRANSLATE("Quit"), B_TRANSLATE("Start media server"), NULL, B_WIDTH_AS_USUAL, B_WARNING_ALERT); if (alert->Go()==0) return B_ERROR; fAlert = new MediaAlert(BRect(0, 0, 300, 60), "restart_alert", B_TRANSLATE( "Restarting media services\nStarting media server" B_UTF8_ELLIPSIS "\n")); fAlert->Show(); Show(); launch_media_server(); } Lock(); bool isVideoSelected = true; if (!first && fListView->ItemAt(0) && fListView->ItemAt(0)->IsSelected()) isVideoSelected = false; if ((!first || (first && err) ) && fAlert) { BAutolock locker(fAlert); if (locker.IsLocked()) fAlert->TextView()->SetText( B_TRANSLATE("Ready for use" B_UTF8_ELLIPSIS)); } while (fListView->CountItems() > 0) delete fListView->RemoveItem((int32)0); _EmptyNodeLists(); // Grab Media Info _FindNodes(); // Add video nodes first. They might have an additional audio // output or input, but still should be listed as video node. _AddNodeItems(fVideoOutputs, MediaListItem::VIDEO_TYPE); _AddNodeItems(fVideoInputs, MediaListItem::VIDEO_TYPE); _AddNodeItems(fAudioOutputs, MediaListItem::AUDIO_TYPE); _AddNodeItems(fAudioInputs, MediaListItem::AUDIO_TYPE); fAudioView->AddOutputNodes(fAudioOutputs); fAudioView->AddInputNodes(fAudioInputs); fVideoView->AddOutputNodes(fVideoOutputs); fVideoView->AddInputNodes(fVideoInputs); // build our list view DeviceListItem* audio = new DeviceListItem(B_TRANSLATE("Audio settings"), MediaListItem::AUDIO_TYPE); fListView->AddItem(audio); MediaListItem* video = new DeviceListItem(B_TRANSLATE("Video settings"), MediaListItem::VIDEO_TYPE); fListView->AddItem(video); MediaListItem* mixer = new AudioMixerListItem(B_TRANSLATE("Audio mixer")); fListView->AddItem(mixer); fListView->SortItems(&MediaListItem::Compare); _UpdateListViewMinWidth(); // Set default nodes for our setting views media_node default_node; dormant_node_info node_info; int32 outputID; BString outputName; if (roster->GetAudioInput(&default_node) == B_OK) { roster->GetDormantNodeFor(default_node, &node_info); fAudioView->SetDefaultInput(&node_info); // this causes our listview to be updated as well } if (roster->GetAudioOutput(&default_node, &outputID, &outputName)==B_OK) { roster->GetDormantNodeFor(default_node, &node_info); fAudioView->SetDefaultOutput(&node_info); fAudioView->SetDefaultChannel(outputID); // this causes our listview to be updated as well } if (roster->GetVideoInput(&default_node)==B_OK) { roster->GetDormantNodeFor(default_node, &node_info); fVideoView->SetDefaultInput(&node_info); // this causes our listview to be updated as well } if (roster->GetVideoOutput(&default_node)==B_OK) { roster->GetDormantNodeFor(default_node, &node_info); fVideoView->SetDefaultOutput(&node_info); // this causes our listview to be updated as well } if (first) { fListView->Select(fListView->IndexOf(mixer)); } else { if (isVideoSelected) fListView->Select(fListView->IndexOf(video)); else fListView->Select(fListView->IndexOf(audio)); } if (fAlert) { snooze(800000); fAlert->PostMessage(B_QUIT_REQUESTED); } fAlert = NULL; Unlock(); return B_OK; }