Funkwhale/Clementine-audio-player-Mac-Linux-Windows
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Don't block the GUI while a background stream is starting

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This commit is contained in:
David Sansome 2010-10-02 12:51:09 +00:00
parent df9a2dbca3
commit 61ea0cb24b
2 changed files with 23 additions and 5 deletions
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27
src/engines/gstengine.cpp
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@ -827,16 +827,33 @@ int GstEngine::AddBackgroundStream(shared_ptr<GstEnginePipeline> pipeline) {
disconnect(pipeline.get(), SIGNAL(MetadataFound(Engine::SimpleMetaBundle)), this, 0);
disconnect(pipeline.get(), SIGNAL(EndOfStreamReached(bool)), this, 0);
connect(pipeline.get(), SIGNAL(EndOfStreamReached(bool)), SLOT(BackgroundStreamFinished()));
if (!pipeline->SetState(GST_STATE_PLAYING)) {
qWarning() << "Could not set thread to PLAYING.";
pipeline.reset();
return -1;
}
const int stream_id = next_background_stream_id_++;
background_streams_[stream_id] = pipeline;
QFuture<GstStateChangeReturn> future = pipeline->SetState(GST_STATE_PLAYING);
BoundFutureWatcher<GstStateChangeReturn, int>* watcher =
new BoundFutureWatcher<GstStateChangeReturn, int>(stream_id, this);
watcher->setFuture(future);
connect(watcher, SIGNAL(finished()), SLOT(BackgroundStreamPlayDone()));
return stream_id;
}
void GstEngine::BackgroundStreamPlayDone() {
BoundFutureWatcher<GstStateChangeReturn, int>* watcher =
static_cast<BoundFutureWatcher<GstStateChangeReturn, int>*>(sender());
watcher->deleteLater();
const int stream_id = watcher->data();
GstStateChangeReturn ret = watcher->result();
if (ret == GST_STATE_CHANGE_FAILURE) {
qWarning() << "Could not set thread to PLAYING.";
background_streams_.remove(stream_id);
}
}
int GstEngine::AddBackgroundStream(const QUrl& url) {
shared_ptr<GstEnginePipeline> pipeline = CreatePipeline(url);
if (!pipeline) {

1
src/engines/gstengine.h
View File

@ -118,6 +118,7 @@ class GstEngine : public Engine::Base, public BufferConsumer {
void FadeoutFinished();
void SeekNow();
void BackgroundStreamFinished();
void BackgroundStreamPlayDone();
void PlayDone();
private: