/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
*/
#include <iostream>
+#include <boost/lambda/lambda.hpp>
+#include <libcxml/cxml.h>
#include "encoder.h"
#include "util.h"
#include "film.h"
#include "server.h"
#include "cross.h"
#include "writer.h"
+#include "server_finder.h"
+#include "player.h"
+#include "player_video_frame.h"
#include "i18n.h"
+#define LOG_GENERAL(...) _film->log()->log (String::compose (__VA_ARGS__), Log::TYPE_GENERAL);
+#define LOG_ERROR(...) _film->log()->log (String::compose (__VA_ARGS__), Log::TYPE_ERROR);
+#define LOG_TIMING(...) _film->log()->microsecond_log (String::compose (__VA_ARGS__), Log::TYPE_TIMING);
+
using std::pair;
using std::string;
using std::stringstream;
using std::min;
using std::make_pair;
using boost::shared_ptr;
+using boost::weak_ptr;
using boost::optional;
+using boost::scoped_array;
int const Encoder::_history_size = 25;
/** @param f Film that we are encoding */
-Encoder::Encoder (shared_ptr<const Film> f, shared_ptr<Job> j)
+Encoder::Encoder (shared_ptr<const Film> f, weak_ptr<Job> j)
: _film (f)
, _job (j)
, _video_frames_out (0)
, _terminate (false)
{
- _have_a_real_frame[EYES_BOTH] = false;
- _have_a_real_frame[EYES_LEFT] = false;
- _have_a_real_frame[EYES_RIGHT] = false;
+
}
Encoder::~Encoder ()
{
terminate_threads ();
- if (_writer) {
- _writer->finish ();
+}
+
+/** Add a worker thread for a each thread on a remote server. Caller must hold
+ * a lock on _mutex, or know that one is not currently required to
+ * safely modify _threads.
+ */
+void
+Encoder::add_worker_threads (ServerDescription d)
+{
+ LOG_GENERAL (N_("Adding %1 worker threads for remote %2"), d.host_name ());
+ for (int i = 0; i < d.threads(); ++i) {
+ _threads.push_back (new boost::thread (boost::bind (&Encoder::encoder_thread, this, d)));
}
}
_threads.push_back (new boost::thread (boost::bind (&Encoder::encoder_thread, this, optional<ServerDescription> ())));
}
- vector<ServerDescription> servers = Config::instance()->servers ();
-
- for (vector<ServerDescription>::iterator i = servers.begin(); i != servers.end(); ++i) {
- for (int j = 0; j < i->threads (); ++j) {
- _threads.push_back (new boost::thread (boost::bind (&Encoder::encoder_thread, this, *i)));
- }
- }
-
_writer.reset (new Writer (_film, _job));
+ ServerFinder::instance()->connect (boost::bind (&Encoder::server_found, this, _1));
}
-
void
Encoder::process_end ()
{
boost::mutex::scoped_lock lock (_mutex);
- _film->log()->log (String::compose (N_("Clearing queue of %1"), _queue.size ()));
+ LOG_GENERAL (N_("Clearing queue of %1"), _queue.size ());
/* Keep waking workers until the queue is empty */
while (!_queue.empty ()) {
- _film->log()->log (String::compose (N_("Waking with %1"), _queue.size ()), Log::VERBOSE);
_condition.notify_all ();
_condition.wait (lock);
}
terminate_threads ();
- _film->log()->log (String::compose (N_("Mopping up %1"), _queue.size()));
+ LOG_GENERAL (N_("Mopping up %1"), _queue.size());
/* The following sequence of events can occur in the above code:
1. a remote worker takes the last image off the queue
*/
for (list<shared_ptr<DCPVideoFrame> >::iterator i = _queue.begin(); i != _queue.end(); ++i) {
- _film->log()->log (String::compose (N_("Encode left-over frame %1"), (*i)->frame ()));
+ LOG_GENERAL (N_("Encode left-over frame %1"), (*i)->index ());
try {
- _writer->write ((*i)->encode_locally(), (*i)->frame (), (*i)->eyes ());
+ _writer->write ((*i)->encode_locally(), (*i)->index (), (*i)->eyes ());
frame_done ();
} catch (std::exception& e) {
- _film->log()->log (String::compose (N_("Local encode failed (%1)"), e.what ()));
+ LOG_ERROR (N_("Local encode failed (%1)"), e.what ());
}
}
-
+
_writer->finish ();
_writer.reset ();
}
float
Encoder::current_encoding_rate () const
{
- boost::mutex::scoped_lock lock (_history_mutex);
+ boost::mutex::scoped_lock lock (_state_mutex);
if (int (_time_history.size()) < _history_size) {
return 0;
}
int
Encoder::video_frames_out () const
{
- boost::mutex::scoped_lock (_history_mutex);
+ boost::mutex::scoped_lock (_state_mutex);
return _video_frames_out;
}
void
Encoder::frame_done ()
{
- boost::mutex::scoped_lock lock (_history_mutex);
+ boost::mutex::scoped_lock lock (_state_mutex);
struct timeval tv;
gettimeofday (&tv, 0);
}
void
-Encoder::process_video (shared_ptr<const Image> image, Eyes eyes, ColourConversion conversion, bool same)
+Encoder::process_video (shared_ptr<PlayerVideoFrame> pvf)
{
+ _waker.nudge ();
+
boost::mutex::scoped_lock lock (_mutex);
/* XXX: discard 3D here if required */
/* Wait until the queue has gone down a bit */
while (_queue.size() >= _threads.size() * 2 && !_terminate) {
- TIMING ("decoder sleeps with queue of %1", _queue.size());
+ LOG_TIMING ("decoder sleeps with queue of %1", _queue.size());
_condition.wait (lock);
- TIMING ("decoder wakes with queue of %1", _queue.size());
+ LOG_TIMING ("decoder wakes with queue of %1", _queue.size());
}
if (_terminate) {
return;
}
- if (_writer->thrown ()) {
- _writer->rethrow ();
- }
+ _writer->rethrow ();
+ /* Re-throw any exception raised by one of our threads. If more
+ than one has thrown an exception, only one will be rethrown, I think;
+ but then, if that happens something has gone badly wrong.
+ */
+ rethrow ();
if (_writer->can_fake_write (_video_frames_out)) {
- _writer->fake_write (_video_frames_out, eyes);
- _have_a_real_frame[eyes] = false;
- frame_done ();
- } else if (same && _have_a_real_frame[eyes]) {
- /* Use the last frame that we encoded. */
- _writer->repeat (_video_frames_out, eyes);
+ _writer->fake_write (_video_frames_out, pvf->eyes ());
frame_done ();
} else {
/* Queue this new frame for encoding */
- TIMING ("adding to queue of %1", _queue.size ());
+ LOG_TIMING ("adding to queue of %1", _queue.size ());
_queue.push_back (shared_ptr<DCPVideoFrame> (
new DCPVideoFrame (
- image, _video_frames_out, eyes, conversion, _film->video_frame_rate(),
- _film->j2k_bandwidth(), _film->log()
+ pvf,
+ _video_frames_out,
+ _film->video_frame_rate(),
+ _film->j2k_bandwidth(),
+ _film->resolution(),
+ _film->log()
)
));
_condition.notify_all ();
- _have_a_real_frame[eyes] = true;
}
- if (eyes != EYES_LEFT) {
+ if (pvf->eyes() != EYES_LEFT) {
++_video_frames_out;
}
}
void
Encoder::terminate_threads ()
{
- boost::mutex::scoped_lock lock (_mutex);
- _terminate = true;
- _condition.notify_all ();
- lock.unlock ();
+ {
+ boost::mutex::scoped_lock lock (_mutex);
+ _terminate = true;
+ _condition.notify_all ();
+ }
for (list<boost::thread *>::iterator i = _threads.begin(); i != _threads.end(); ++i) {
if ((*i)->joinable ()) {
void
Encoder::encoder_thread (optional<ServerDescription> server)
+try
{
/* Number of seconds that we currently wait between attempts
to connect to the server; not relevant for localhost
while (1) {
- TIMING ("encoder thread %1 sleeps", boost::this_thread::get_id());
+ LOG_TIMING ("[%1] encoder thread sleeps", boost::this_thread::get_id());
boost::mutex::scoped_lock lock (_mutex);
while (_queue.empty () && !_terminate) {
_condition.wait (lock);
return;
}
- TIMING ("encoder thread %1 wakes with queue of %2", boost::this_thread::get_id(), _queue.size());
+ LOG_TIMING ("[%1] encoder thread wakes with queue of %2", boost::this_thread::get_id(), _queue.size());
shared_ptr<DCPVideoFrame> vf = _queue.front ();
- _film->log()->log (String::compose (N_("Encoder thread %1 pops frame %2 (%3) from queue"), boost::this_thread::get_id(), vf->frame(), vf->eyes ()));
+ LOG_TIMING ("[%1] encoder thread pops frame %2 (%3) from queue", boost::this_thread::get_id(), vf->index(), vf->eyes ());
_queue.pop_front ();
lock.unlock ();
encoded = vf->encode_remotely (server.get ());
if (remote_backoff > 0) {
- _film->log()->log (String::compose (N_("%1 was lost, but now she is found; removing backoff"), server->host_name ()));
+ LOG_GENERAL ("%1 was lost, but now she is found; removing backoff", server->host_name ());
}
/* This job succeeded, so remove any backoff */
/* back off more */
remote_backoff += 10;
}
- _film->log()->log (
- String::compose (
- N_("Remote encode of %1 on %2 failed (%3); thread sleeping for %4s"),
- vf->frame(), server->host_name(), e.what(), remote_backoff)
+ 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 {
try {
- TIMING ("encoder thread %1 begins local encode of %2", boost::this_thread::get_id(), vf->frame());
+ LOG_TIMING ("[%1] encoder thread begins local encode of %2", boost::this_thread::get_id(), vf->index());
encoded = vf->encode_locally ();
- TIMING ("encoder thread %1 finishes local encode of %2", boost::this_thread::get_id(), vf->frame());
+ LOG_TIMING ("[%1] encoder thread finishes local encode of %2", boost::this_thread::get_id(), vf->index());
} catch (std::exception& e) {
- _film->log()->log (String::compose (N_("Local encode failed (%1)"), e.what ()));
+ LOG_ERROR (N_("Local encode failed (%1)"), e.what ());
}
}
if (encoded) {
- _writer->write (encoded, vf->frame (), vf->eyes ());
+ _writer->write (encoded, vf->index (), vf->eyes ());
frame_done ();
} else {
lock.lock ();
- _film->log()->log (
- String::compose (N_("Encoder thread %1 pushes frame %2 back onto queue after failure"), boost::this_thread::get_id(), vf->frame())
- );
+ LOG_GENERAL (N_("[%1] Encoder thread pushes frame %2 back onto queue after failure"), boost::this_thread::get_id(), vf->index());
_queue.push_front (vf);
lock.unlock ();
}
_condition.notify_all ();
}
}
+catch (...)
+{
+ store_current ();
+}
+
+void
+Encoder::server_found (ServerDescription s)
+{
+ add_worker_threads (s);
+}
projects / dcpomatic.git / blobdiff