#include "encode_server_description.h"
#include "encode_server_finder.h"
#include "film.h"
+#include "cpu_j2k_encoder_thread.h"
+#include "grok_j2k_encoder_thread.h"
+#include "remote_j2k_encoder_thread.h"
#include "j2k_encoder.h"
#include "log.h"
#include "player_video.h"
using std::cout;
+using std::dynamic_pointer_cast;
using std::exception;
using std::list;
using std::make_shared;
using dcp::Data;
using namespace dcpomatic;
+
static grk_plugin::GrokInitializer grokInitializer;
/** @param film Film that we are encoding.
{
_server_found_connection.disconnect();
- {
- boost::mutex::scoped_lock lm(_threads_mutex);
- terminate_threads();
- }
+ terminate_threads();
delete _context;
}
+
+void
+J2KEncoder::servers_list_changed()
+{
+ auto config = Config::instance();
+
+ auto const cpu = (config->enable_gpu() || config->only_servers_encode()) ? 0 : config->master_encoding_threads();
+ auto const gpu = config->enable_gpu() ? config->master_encoding_threads() : 0;
+
+ remake_threads(cpu, gpu, EncodeServerFinder::instance()->servers());
+}
+
+
void
J2KEncoder::begin ()
{
return;
}
- {
- boost::mutex::scoped_lock lm (_threads_mutex);
- terminate_threads ();
- }
+ terminate_threads ();
/* Something might have been thrown during terminate_threads */
rethrow ();
/* Keep waking workers until the queue is empty */
while (!_queue.empty ()) {
rethrow ();
- _empty_condition.notify_all ();
_full_condition.wait (lock);
}
lock.unlock ();
LOG_GENERAL_NC (N_("Terminating encoder threads"));
- {
- boost::mutex::scoped_lock lm (_threads_mutex);
- terminate_threads ();
- }
+ terminate_threads ();
/* Something might have been thrown during terminate_threads */
rethrow ();
LOG_GENERAL(N_("Encode left-over frame %1"), i.index());
try {
_writer.write(
- make_shared<dcp::ArrayData>(i.encode_locally()),
+ make_shared<dcp::ArrayData>(i.encode_locally()),
i.index(),
i.eyes()
);
size_t threads = 0;
{
boost::mutex::scoped_lock lm (_threads_mutex);
- threads = _threads->size();
+ threads = _threads.size();
}
boost::mutex::scoped_lock queue_lock (_queue_mutex);
}
-/** Caller must hold a lock on _threads_mutex */
void
J2KEncoder::terminate_threads ()
{
+ boost::mutex::scoped_lock lm(_threads_mutex);
boost::this_thread::disable_interruption dis;
- if (!_threads) {
- return;
- }
-
- _threads->interrupt_all ();
- try {
- _threads->join_all ();
- } catch (exception& e) {
- LOG_ERROR ("join() threw an exception: %1", e.what());
- } catch (...) {
- LOG_ERROR_NC ("join() threw an exception");
+ for (auto& thread: _threads) {
+ thread->stop();
}
- _threads.reset ();
+ _threads.clear();
+ _ending = true;
}
void
-J2KEncoder::encoder_thread (optional<EncodeServerDescription> server)
-try
+J2KEncoder::remake_threads(int cpu, int gpu, list<EncodeServerDescription> servers)
{
- auto config = Config::instance ();
+ boost::mutex::scoped_lock lm (_threads_mutex);
+ if (_ending) {
+ return;
+ }
- start_of_thread ("J2KEncoder");
+ auto remove_threads = [this](int wanted, int current, std::function<bool (shared_ptr<J2KEncoderThread>)> predicate) {
+ for (auto i = wanted; i < current; ++i) {
+ auto iter = std::find_if(_threads.begin(), _threads.end(), predicate);
+ if (iter != _threads.end()) {
+ (*iter)->stop();
+ _threads.erase(iter);
+ }
+ }
+ };
- if (server) {
- LOG_TIMING ("start-encoder-thread thread=%1 server=%2", thread_id (), server->host_name ());
- } else {
- LOG_TIMING ("start-encoder-thread thread=%1 server=localhost", thread_id ());
+
+ /* CPU */
+
+ auto const is_cpu_thread = [](shared_ptr<J2KEncoderThread> thread) {
+ return static_cast<bool>(dynamic_pointer_cast<CPUJ2KEncoderThread>(thread));
+ };
+
+ auto const current_cpu_threads = std::count_if(_threads.begin(), _threads.end(), is_cpu_thread);
+
+ for (auto i = current_cpu_threads; i < cpu; ++i) {
+ auto thread = make_shared<CPUJ2KEncoderThread>(*this);
+ thread->start();
+ _threads.push_back(thread);
}
- /* Number of seconds that we currently wait between attempts
- to connect to the server; not relevant for localhost
- encodings.
- */
- int remote_backoff = 0;
+ remove_threads(cpu, current_cpu_threads, is_cpu_thread);
+
- while (true) {
+ /* GPU */
- LOG_TIMING ("encoder-sleep thread=%1", thread_id ());
- boost::mutex::scoped_lock lock (_queue_mutex);
- while (_queue.empty ()) {
- _empty_condition.wait (lock);
+ auto const is_grok_thread = [](shared_ptr<J2KEncoderThread> thread) {
+ return static_cast<bool>(dynamic_pointer_cast<GrokJ2KEncoderThread>(thread));
+ };
+
+ auto const current_gpu_threads = std::count_if(_threads.begin(), _threads.end(), is_grok_thread);
+
+ for (auto i = current_gpu_threads; i < gpu; ++i) {
+ auto thread = make_shared<GrokJ2KEncoderThread>(*this, _context);
+ thread->start();
+ _threads.push_back(thread);
+ }
+
+ remove_threads(gpu, current_gpu_threads, is_grok_thread);
+
+
+ /* Remote */
+
+ for (auto const& server: servers) {
+ if (!server.current_link_version()) {
+ continue;
}
- LOG_TIMING ("encoder-wake thread=%1 queue=%2", thread_id(), _queue.size());
- auto vf = _queue.front ();
+ auto is_remote_thread = [server](shared_ptr<J2KEncoderThread> thread) {
+ auto remote = dynamic_pointer_cast<RemoteJ2KEncoderThread>(thread);
+ return remote && remote->server().host_name() == server.host_name();
+ };
- /* We're about to commit to either encoding this frame or putting it back onto the queue,
- so we must not be interrupted until one or other of these things have happened. This
- block has thread interruption disabled.
- */
- {
- boost::this_thread::disable_interruption dis;
-
- LOG_TIMING ("encoder-pop thread=%1 frame=%2 eyes=%3", thread_id(), vf.index(), static_cast<int>(vf.eyes()));
- _queue.pop_front ();
-
- lock.unlock ();
-
- shared_ptr<Data> encoded;
-
- /* We need to encode this input */
- if (server) {
- try {
- encoded = make_shared<dcp::ArrayData>(vf.encode_remotely(server.get()));
-
- if (remote_backoff > 0) {
- LOG_GENERAL ("%1 was lost, but now she is found; removing backoff", server->host_name ());
- }
-
- /* This job succeeded, so remove any backoff */
- remote_backoff = 0;
-
- } catch (std::exception& e) {
- if (remote_backoff < 60) {
- /* back off more */
- remote_backoff += 10;
- }
- LOG_ERROR (
- N_("Remote encode of %1 on %2 failed (%3); thread sleeping for %4s"),
- vf.index(), server->host_name(), e.what(), remote_backoff
- );
- }
-
- } else {
- if (_context) {
- if (!_context->launch(vf, config->selected_gpu()) || !_context->scheduleCompress(vf)) {
- LOG_GENERAL (N_("[%1] J2KEncoder thread pushes frame %2 back onto queue after failure"), thread_id(), vf.index());
- _queue.push_front (vf);
- }
- } else {
- try {
- LOG_TIMING ("start-local-encode thread=%1 frame=%2", thread_id(), vf.index());
- encoded = make_shared<dcp::ArrayData>(vf.encode_locally());
- LOG_TIMING ("finish-local-encode thread=%1 frame=%2", thread_id(), vf.index());
- } catch (std::exception& e) {
- /* This is very bad, so don't cope with it, just pass it on */
- LOG_ERROR (N_("Local encode failed (%1)"), e.what ());
- throw;
- }
- }
- }
+ auto const current_threads = std::count_if(_threads.begin(), _threads.end(), is_remote_thread);
- if (encoded) {
- _writer.write(encoded, vf.index(), vf.eyes());
- frame_done ();
- } else {
- if (!Config::instance()->enable_gpu ()) {
- lock.lock ();
- LOG_GENERAL (N_("[%1] J2KEncoder thread pushes frame %2 back onto queue after failure"), thread_id(), vf.index());
- _queue.push_front (vf);
- lock.unlock ();
- }
- }
+ auto const wanted_threads = server.threads();
+
+ if (wanted_threads > current_threads) {
+ LOG_GENERAL(N_("Adding %1 worker threads for remote %2"), wanted_threads - current_threads, server.host_name());
+ } else if (wanted_threads < current_threads) {
+ LOG_GENERAL(N_("Removing %1 worker threads for remote %2"), current_threads - wanted_threads, server.host_name());
}
- if (remote_backoff > 0) {
- boost::this_thread::sleep (boost::posix_time::seconds (remote_backoff));
+ for (auto i = current_threads; i < wanted_threads; ++i) {
+ auto thread = make_shared<RemoteJ2KEncoderThread>(*this, server);
+ thread->start();
+ _threads.push_back(thread);
}
- /* The queue might not be full any more, so notify anything that is waiting on that */
- lock.lock ();
- _full_condition.notify_all ();
+ remove_threads(wanted_threads, current_threads, is_remote_thread);
}
+
+ _writer.set_encoder_threads(_threads.size());
}
-catch (boost::thread_interrupted& e) {
- /* Ignore these and just stop the thread */
- _full_condition.notify_all ();
-}
-catch (...)
+
+
+DCPVideo
+J2KEncoder::pop()
{
- store_current ();
- /* Wake anything waiting on _full_condition so it can see the exception */
- _full_condition.notify_all ();
+ boost::mutex::scoped_lock lock(_queue_mutex);
+ while (_queue.empty()) {
+ _empty_condition.wait (lock);
+ }
+
+ LOG_TIMING("encoder-wake thread=%1 queue=%2", thread_id(), _queue.size());
+
+ auto vf = _queue.front();
+ _queue.pop_front();
+
+ _full_condition.notify_all();
+ return vf;
}
void
-J2KEncoder::servers_list_changed ()
+J2KEncoder::retry(DCPVideo video)
{
- boost::mutex::scoped_lock lm (_threads_mutex);
-
- terminate_threads ();
- _threads = make_shared<boost::thread_group>();
-
- /* XXX: could re-use threads */
-
- if (!Config::instance()->only_servers_encode ()) {
- for (int i = 0; i < Config::instance()->master_encoding_threads (); ++i) {
-#ifdef DCPOMATIC_LINUX
- auto t = _threads->create_thread(boost::bind(&J2KEncoder::encoder_thread, this, optional<EncodeServerDescription>()));
- pthread_setname_np (t->native_handle(), "encode-worker");
-#else
- _threads->create_thread(boost::bind(&J2KEncoder::encoder_thread, this, optional<EncodeServerDescription>()));
-#endif
- }
- }
-
- for (auto i: EncodeServerFinder::instance()->servers()) {
- if (!i.current_link_version()) {
- continue;
- }
+ boost::mutex::scoped_lock lock(_queue_mutex);
+ _queue.push_front(video);
+ _empty_condition.notify_all();
+}
- LOG_GENERAL (N_("Adding %1 worker threads for remote %2"), i.threads(), i.host_name ());
- for (int j = 0; j < i.threads(); ++j) {
- _threads->create_thread(boost::bind(&J2KEncoder::encoder_thread, this, i));
- }
- }
- _writer.set_encoder_threads(_threads->size());
+void
+J2KEncoder::write(shared_ptr<const dcp::Data> data, int index, Eyes eyes)
+{
+ _writer.write(data, index, eyes);
+ frame_done();
}