void SongLoaderInserter::AudioCDTagsLoaded(bool success) {
SongLoader* loader = qobject_cast<SongLoader*>(sender());
if (!loader || !destination_) return;
if (success)
destination_->UpdateItems(loader->songs());
else
qLog(Error) << "Error while getting audio CD metadata from MusicBrainz";
deleteLater();
}
gboolean SongLoader::BusCallback(GstBus*, GstMessage* msg, gpointer self) {
SongLoader* instance = reinterpret_cast<SongLoader*>(self);
switch (GST_MESSAGE_TYPE(msg)) {
case GST_MESSAGE_ERROR:
instance->ErrorMessageReceived(msg);
break;
default:
break;
}
return TRUE;
}
GstBusSyncReply SongLoader::BusCallbackSync(GstBus*, GstMessage* msg,
gpointer self) {
SongLoader* instance = reinterpret_cast<SongLoader*>(self);
switch (GST_MESSAGE_TYPE(msg)) {
case GST_MESSAGE_EOS:
instance->EndOfStreamReached();
break;
case GST_MESSAGE_ERROR:
instance->ErrorMessageReceived(msg);
break;
default:
break;
}
return GST_BUS_PASS;
}
gboolean SongLoader::DataReady(GstPad*, GstBuffer* buf, void* self) {
SongLoader* instance = static_cast<SongLoader*>(self);
if (instance->state_ == Finished) return true;
// Append the data to the buffer
instance->buffer_.append(reinterpret_cast<const char*>(GST_BUFFER_DATA(buf)),
GST_BUFFER_SIZE(buf));
qLog(Debug) << "Received total" << instance->buffer_.size() << "bytes";
if (instance->state_ == WaitingForMagic &&
(instance->buffer_.size() >= PlaylistParser::kMagicSize ||
!instance->IsPipelinePlaying())) {
// Got enough that we can test the magic
instance->MagicReady();
}
return true;
}
// Load audio CD tracks:
// First, we add tracks (without metadata) into the playlist
// In the meantime, MusicBrainz will be queried to get songs' metadata.
// AudioCDTagsLoaded will be called next, and playlist's items will be updated.
void SongLoaderInserter::LoadAudioCD(Playlist* destination, int row,
bool play_now, bool enqueue) {
destination_ = destination;
row_ = row;
play_now_ = play_now;
enqueue_ = enqueue;
SongLoader* loader = new SongLoader(library_, player_, this);
connect(loader, SIGNAL(LoadAudioCDFinished(bool)), SLOT(AudioCDTagsLoaded(bool)));
qLog(Info) << "Loading audio CD...";
SongLoader::Result ret = loader->LoadAudioCD();
if (ret == SongLoader::Error) {
emit Error(tr("Error while loading audio CD"));
delete loader;
} else {
songs_ = loader->songs();
InsertSongs();
}
}
void SongLoader::TypeFound(GstElement*, uint, GstCaps* caps, void* self) {
SongLoader* instance = static_cast<SongLoader*>(self);
if (instance->state_ != WaitingForType) return;
// Check the mimetype
instance->mime_type_ =
gst_structure_get_name(gst_caps_get_structure(caps, 0));
qLog(Debug) << "Mime type is" << instance->mime_type_;
if (instance->mime_type_ == "text/plain" ||
instance->mime_type_ == "text/uri-list" ||
instance->podcast_parser_->supported_mime_types().contains(
instance->mime_type_)) {
// Yeah it might be a playlist, let's get some data and have a better look
instance->state_ = WaitingForMagic;
return;
}
// Nope, not a playlist - we're done
instance->StopTypefindAsync(true);
}
GstPadProbeReturn SongLoader::DataReady(GstPad*, GstPadProbeInfo* info,
gpointer self) {
SongLoader* instance = reinterpret_cast<SongLoader*>(self);
if (instance->state_ == Finished) return GST_PAD_PROBE_OK;
GstBuffer* buffer = gst_pad_probe_info_get_buffer(info);
GstMapInfo map;
gst_buffer_map(buffer, &map, GST_MAP_READ);
// Append the data to the buffer
instance->buffer_.append(reinterpret_cast<const char*>(map.data), map.size);
qLog(Debug) << "Received total" << instance->buffer_.size() << "bytes";
gst_buffer_unmap(buffer, &map);
if (instance->state_ == WaitingForMagic &&
(instance->buffer_.size() >= PlaylistParser::kMagicSize ||
!instance->IsPipelinePlaying())) {
// Got enough that we can test the magic
instance->MagicReady();
}
return GST_PAD_PROBE_OK;
}
void SongLoaderInserter::Load(Playlist* destination, int row, bool play_now,
bool enqueue, const QList<QUrl>& urls) {
destination_ = destination;
row_ = row;
play_now_ = play_now;
enqueue_ = enqueue;
connect(destination, SIGNAL(destroyed()), SLOT(DestinationDestroyed()));
connect(this, SIGNAL(PreloadFinished()), SLOT(InsertSongs()));
connect(this, SIGNAL(EffectiveLoadFinished(const SongList&)), destination,
SLOT(UpdateItems(const SongList&)));
for (const QUrl& url : urls) {
SongLoader* loader = new SongLoader(library_, player_, this);
SongLoader::Result ret = loader->Load(url);
if (ret == SongLoader::BlockingLoadRequired) {
pending_.append(loader);
continue;
}
if (ret == SongLoader::Success)
songs_ << loader->songs();
else
emit Error(tr("Error loading %1").arg(url.toString()));
delete loader;
}
if (pending_.isEmpty()) {
InsertSongs();
deleteLater();
} else {
QtConcurrent::run(this, &SongLoaderInserter::AsyncLoad);
}
}