/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2015 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
* @brief Parent class for classes which can encode video and audio frames.
*/
-#include <iostream>
-#include <boost/lambda/lambda.hpp>
-#include <libcxml/cxml.h>
#include "encoder.h"
#include "util.h"
#include "film.h"
#include "log.h"
#include "config.h"
-#include "dcp_video_frame.h"
+#include "dcp_video.h"
#include "server.h"
#include "cross.h"
#include "writer.h"
#include "server_finder.h"
#include "player.h"
+#include "player_video.h"
+#include <libcxml/cxml.h>
+#include <boost/lambda/lambda.hpp>
+#include <iostream>
#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::vector;
using std::list;
using std::cout;
int const Encoder::_history_size = 25;
/** @param f Film that we are encoding */
-Encoder::Encoder (shared_ptr<const Film> f, weak_ptr<Job> j)
+Encoder::Encoder (shared_ptr<const Film> f, weak_ptr<Job> j, shared_ptr<Writer> writer)
: _film (f)
, _job (j)
, _video_frames_out (0)
, _terminate (false)
+ , _writer (writer)
{
- _have_a_real_frame[EYES_BOTH] = false;
- _have_a_real_frame[EYES_LEFT] = false;
- _have_a_real_frame[EYES_RIGHT] = false;
+
}
Encoder::~Encoder ()
void
Encoder::add_worker_threads (ServerDescription d)
{
+ LOG_GENERAL (N_("Adding %1 worker threads for remote %2"), d.threads(), d.host_name ());
for (int i = 0; i < d.threads(); ++i) {
_threads.push_back (new boost::thread (boost::bind (&Encoder::encoder_thread, this, d)));
}
+
+ _writer->set_encoder_threads (_threads.size ());
}
void
-Encoder::process_begin ()
+Encoder::begin ()
{
for (int i = 0; i < Config::instance()->num_local_encoding_threads (); ++i) {
_threads.push_back (new boost::thread (boost::bind (&Encoder::encoder_thread, this, optional<ServerDescription> ())));
}
- _writer.reset (new Writer (_film, _job));
- ServerFinder::instance()->connect (boost::bind (&Encoder::server_found, this, _1));
+ _writer->set_encoder_threads (_threads.size ());
+
+ if (!ServerFinder::instance()->disabled ()) {
+ _server_found_connection = ServerFinder::instance()->connect (boost::bind (&Encoder::server_found, this, _1));
+ }
}
void
-Encoder::process_end ()
+Encoder::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);
+ _empty_condition.notify_all ();
+ _full_condition.wait (lock);
}
lock.unlock ();
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
So just mop up anything left in the queue here.
*/
- 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 ()));
+ for (list<shared_ptr<DCPVideo> >::iterator i = _queue.begin(); i != _queue.end(); ++i) {
+ 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 (boost::bind (&Log::dcp_log, _film->log().get(), _1, _2)),
+ (*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 ();
}
/** @return an estimate of the current number of frames we are encoding per second,
}
}
+/** Called in order, so each time this is called the supplied frame is the one
+ * after the previous one.
+ */
void
-Encoder::process_video (shared_ptr<PlayerImage> image, Eyes eyes, ColourConversion conversion, bool same)
+Encoder::enqueue (shared_ptr<PlayerVideo> pv)
{
_waker.nudge ();
/* 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());
- _condition.wait (lock);
- TIMING ("decoder wakes with queue of %1", _queue.size());
+ LOG_TIMING ("decoder sleeps with queue of %1", _queue.size());
+ _full_condition.wait (lock);
+ LOG_TIMING ("decoder wakes with queue of %1", _queue.size());
}
if (_terminate) {
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);
+ /* We can fake-write this frame */
+ _writer->fake_write (_video_frames_out, pv->eyes ());
frame_done ();
+ } else if (pv->has_j2k ()) {
+ /* This frame already has JPEG2000 data, so just write it */
+ _writer->write (pv->j2k(), _video_frames_out, pv->eyes ());
} else {
/* Queue this new frame for encoding */
- TIMING ("adding to queue of %1", _queue.size ());
- _queue.push_back (shared_ptr<DCPVideoFrame> (
- new DCPVideoFrame (
- image->image(PIX_FMT_RGB24, false), _video_frames_out, eyes, conversion, _film->video_frame_rate(),
- _film->j2k_bandwidth(), _film->resolution(), _film->log()
+ LOG_TIMING ("adding to queue of %1", _queue.size ());
+ _queue.push_back (shared_ptr<DCPVideo> (
+ new DCPVideo (
+ pv,
+ _video_frames_out,
+ _film->video_frame_rate(),
+ _film->j2k_bandwidth(),
+ _film->resolution(),
+ _film->burn_subtitles(),
+ _film->log()
)
));
-
- _condition.notify_all ();
- _have_a_real_frame[eyes] = true;
+
+ /* The queue might not be empty any more, so notify anything which is
+ waiting on that.
+ */
+ _empty_condition.notify_all ();
}
- if (eyes != EYES_LEFT) {
+ if (pv->eyes() != EYES_LEFT) {
++_video_frames_out;
}
}
-void
-Encoder::process_audio (shared_ptr<const AudioBuffers> data)
-{
- _writer->write (data);
-}
-
void
Encoder::terminate_threads ()
{
{
boost::mutex::scoped_lock lock (_mutex);
_terminate = true;
- _condition.notify_all ();
+ _full_condition.notify_all ();
+ _empty_condition.notify_all ();
}
for (list<boost::thread *>::iterator i = _threads.begin(); i != _threads.end(); ++i) {
encodings.
*/
int remote_backoff = 0;
+ shared_ptr<DCPVideo> last_dcp_video;
+ shared_ptr<EncodedData> last_encoded;
- while (1) {
+ while (true) {
- 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);
+ _empty_condition.wait (lock);
}
if (_terminate) {
return;
}
- TIMING ("encoder thread %1 wakes with queue of %2", boost::this_thread::get_id(), _queue.size());
- shared_ptr<DCPVideoFrame> vf = _queue.front ();
- TIMING ("encoder thread %1 pops frame %2 (%3) from queue", boost::this_thread::get_id(), vf->frame(), vf->eyes ());
+ LOG_TIMING ("[%1] encoder thread wakes with queue of %2", boost::this_thread::get_id(), _queue.size());
+ shared_ptr<DCPVideo> vf = _queue.front ();
+ 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 ();
shared_ptr<EncodedData> encoded;
- if (server) {
- try {
- 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 ()));
+ if (last_dcp_video && vf->same (last_dcp_video)) {
+ /* We already have encoded data for the same input as this one, so take a short-cut */
+ encoded = last_encoded;
+ } else {
+ /* We need to encode this input */
+ if (server) {
+ try {
+ encoded = 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
+ );
}
- /* This job succeeded, so remove any backoff */
- remote_backoff = 0;
-
- } catch (std::exception& e) {
- if (remote_backoff < 60) {
- /* back off more */
- remote_backoff += 10;
+ } else {
+ try {
+ LOG_TIMING ("[%1] encoder thread begins local encode of %2", boost::this_thread::get_id(), vf->index());
+ encoded = vf->encode_locally (boost::bind (&Log::dcp_log, _film->log().get(), _1, _2));
+ LOG_TIMING ("[%1] encoder thread finishes local encode of %2", boost::this_thread::get_id(), vf->index());
+ } catch (std::exception& e) {
+ LOG_ERROR (N_("Local encode failed (%1)"), e.what ());
}
- _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)
- );
- }
-
- } else {
- try {
- TIMING ("encoder thread %1 begins local encode of %2", boost::this_thread::get_id(), vf->frame());
- encoded = vf->encode_locally ();
- TIMING ("encoder thread %1 finishes local encode of %2", boost::this_thread::get_id(), vf->frame());
- } catch (std::exception& e) {
- _film->log()->log (String::compose (N_("Local encode failed (%1)"), e.what ()));
}
}
+ last_dcp_video = vf;
+ last_encoded = encoded;
+
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 ();
}
dcpomatic_sleep (remote_backoff);
}
+ /* The queue might not be full any more, so notify anything that is waiting on that */
lock.lock ();
- _condition.notify_all ();
+ _full_condition.notify_all ();
}
}
catch (...)
projects / dcpomatic.git / blobdiff