#ifdef HAVE_SWRESAMPLE
, _swr_context (0)
#endif
- , _process_end (false)
+ , _terminate_encoder (false)
+ , _writer_thread (0)
+ , _terminate_writer (false)
{
if (_film->audio_stream()) {
/* Create sound output files with .tmp suffixes; we will rename
{
close_sound_files ();
terminate_worker_threads ();
+ terminate_writer_thread ();
}
void
_worker_threads.push_back (new boost::thread (boost::bind (&Encoder::encoder_thread, this, *i)));
}
}
+
+ _writer_thread = new boost::thread (boost::bind (&Encoder::writer_thread, this));
}
boost::mutex::scoped_lock lock (_worker_mutex);
- _film->log()->log ("Clearing queue of " + lexical_cast<string> (_queue.size ()));
+ _film->log()->log ("Clearing queue of " + lexical_cast<string> (_encode_queue.size ()));
/* Keep waking workers until the queue is empty */
- while (!_queue.empty ()) {
- _film->log()->log ("Waking with " + lexical_cast<string> (_queue.size ()), Log::VERBOSE);
+ while (!_encode_queue.empty ()) {
+ _film->log()->log ("Waking with " + lexical_cast<string> (_encode_queue.size ()), Log::VERBOSE);
_worker_condition.notify_all ();
_worker_condition.wait (lock);
}
lock.unlock ();
terminate_worker_threads ();
+ terminate_writer_thread ();
- _film->log()->log ("Mopping up " + lexical_cast<string> (_queue.size()));
+ _film->log()->log ("Mopping up " + lexical_cast<string> (_encode_queue.size()));
/* The following sequence of events can occur in the above code:
1. a remote worker takes the last image off the queue
So just mop up anything left in the queue here.
*/
- for (list<shared_ptr<DCPVideoFrame> >::iterator i = _queue.begin(); i != _queue.end(); ++i) {
+ for (list<shared_ptr<DCPVideoFrame> >::iterator i = _encode_queue.begin(); i != _encode_queue.end(); ++i) {
_film->log()->log (String::compose ("Encode left-over frame %1", (*i)->frame ()));
try {
shared_ptr<EncodedData> e = (*i)->encode_locally ();
}
}
+ /* Mop up any unwritten things in the writer's queue */
+ for (list<pair<shared_ptr<EncodedData>, int> >::iterator i = _write_queue.begin(); i != _write_queue.end(); ++i) {
+ i->first->write (_opt, i->second);
+ }
+
/* Now do links (or copies on windows) to duplicate frames */
for (list<pair<int, int> >::iterator i = _links_required.begin(); i != _links_required.end(); ++i) {
link (_film->frame_out_path (i->first, false), _film->frame_out_path (i->second, false));
boost::mutex::scoped_lock lock (_worker_mutex);
/* Wait until the queue has gone down a bit */
- while (_queue.size() >= _worker_threads.size() * 2 && !_process_end) {
- TIMING ("decoder sleeps with queue of %1", _queue.size());
+ while (_encode_queue.size() >= _worker_threads.size() * 2 && !_terminate_encoder) {
+ TIMING ("decoder sleeps with queue of %1", _encode_queue.size());
_worker_condition.wait (lock);
- TIMING ("decoder wakes with queue of %1", _queue.size());
+ TIMING ("decoder wakes with queue of %1", _encode_queue.size());
}
- if (_process_end) {
+ if (_terminate_encoder) {
return;
}
} else {
/* Queue this new frame for encoding */
pair<string, string> const s = Filter::ffmpeg_strings (_film->filters());
- TIMING ("adding to queue of %1", _queue.size ());
- _queue.push_back (boost::shared_ptr<DCPVideoFrame> (
+ TIMING ("adding to queue of %1", _encode_queue.size ());
+ _encode_queue.push_back (boost::shared_ptr<DCPVideoFrame> (
new DCPVideoFrame (
image, sub, _film->format()->dcp_size(), _film->format()->dcp_padding (_film),
_film->subtitle_offset(), _film->subtitle_scale(),
Encoder::terminate_worker_threads ()
{
boost::mutex::scoped_lock lock (_worker_mutex);
- _process_end = true;
+ _terminate_encoder = true;
_worker_condition.notify_all ();
lock.unlock ();
}
}
+void
+Encoder::terminate_writer_thread ()
+{
+ if (!_writer_thread) {
+ return;
+ }
+
+ boost::mutex::scoped_lock lock (_writer_mutex);
+ _terminate_writer = true;
+ _writer_condition.notify_all ();
+ lock.unlock ();
+
+ _writer_thread->join ();
+ delete _writer_thread;
+ _writer_thread = 0;
+}
+
void
Encoder::encoder_thread (ServerDescription* server)
{
TIMING ("encoder thread %1 sleeps", boost::this_thread::get_id());
boost::mutex::scoped_lock lock (_worker_mutex);
- while (_queue.empty () && !_process_end) {
+ while (_encode_queue.empty () && !_terminate_encoder) {
_worker_condition.wait (lock);
}
- if (_process_end) {
+ if (_terminate_encoder) {
return;
}
- TIMING ("encoder thread %1 wakes with queue of %2", boost::this_thread::get_id(), _queue.size());
- boost::shared_ptr<DCPVideoFrame> vf = _queue.front ();
+ TIMING ("encoder thread %1 wakes with queue of %2", boost::this_thread::get_id(), _encode_queue.size());
+ boost::shared_ptr<DCPVideoFrame> vf = _encode_queue.front ();
_film->log()->log (String::compose ("Encoder thread %1 pops frame %2 from queue", boost::this_thread::get_id(), vf->frame()), Log::VERBOSE);
- _queue.pop_front ();
+ _encode_queue.pop_front ();
lock.unlock ();
}
if (encoded) {
- encoded->write (_film, vf->frame ());
- frame_done ();
+ boost::mutex::scoped_lock lock2 (_writer_mutex);
+ _write_queue.push_back (make_pair (encoded, vf->frame ()));
+ _writer_condition.notify_all ();
} else {
lock.lock ();
_film->log()->log (
String::compose ("Encoder thread %1 pushes frame %2 back onto queue after failure", boost::this_thread::get_id(), vf->frame())
);
- _queue.push_front (vf);
+ _encode_queue.push_front (vf);
lock.unlock ();
}
boost::filesystem::copy_file (a, b);
#endif
}
+
+void
+Encoder::writer_thread ()
+{
+ while (1)
+ {
+ boost::mutex::scoped_lock lock (_writer_mutex);
+ TIMING ("writer sleeps with a queue of %1", _write_queue.size());
+ while (_write_queue.empty() && !_terminate_writer) {
+ _writer_condition.wait (lock);
+ }
+ TIMING ("writer wakes with a queue of %1", _write_queue.size());
+
+ if (_terminate_writer) {
+ return;
+ }
+
+ pair<boost::shared_ptr<EncodedData>, int> encoded = _write_queue.front ();
+ _write_queue.pop_front ();
+
+ lock.unlock ();
+ encoded.first->write (_opt, encoded.second);
+ lock.lock ();
+ }
+}