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-rw-r--r--src/lib/j2k_video_encoder.cc259
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diff --git a/src/lib/j2k_video_encoder.cc b/src/lib/j2k_video_encoder.cc
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--- a/src/lib/j2k_video_encoder.cc
+++ /dev/null
@@ -1,259 +0,0 @@
-/*
- Copyright (C) 2012 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
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
-
-/** @file src/j2k_video_encoder.cc
- * @brief An encoder which writes JPEG2000 files, where they are video (ie not still).
- */
-
-#include <sstream>
-#include <stdexcept>
-#include <iomanip>
-#include <iostream>
-#include <boost/thread.hpp>
-#include <boost/filesystem.hpp>
-#include <boost/lexical_cast.hpp>
-#include <sndfile.h>
-#include <openjpeg.h>
-#include "j2k_video_encoder.h"
-#include "config.h"
-#include "options.h"
-#include "exceptions.h"
-#include "dcp_video_frame.h"
-#include "server.h"
-#include "filter.h"
-#include "log.h"
-#include "cross.h"
-#include "film.h"
-
-using std::string;
-using std::stringstream;
-using std::list;
-using std::vector;
-using std::pair;
-using std::cout;
-using boost::shared_ptr;
-using boost::thread;
-using boost::lexical_cast;
-
-J2KVideoEncoder::J2KVideoEncoder (shared_ptr<const Film> f, shared_ptr<const EncodeOptions> o)
- : Encoder (f, o)
- , _process_end (false)
-{
-
-}
-
-J2KVideoEncoder::~J2KVideoEncoder ()
-{
- terminate_worker_threads ();
-}
-
-void
-J2KVideoEncoder::terminate_worker_threads ()
-{
- boost::mutex::scoped_lock lock (_worker_mutex);
- _process_end = true;
- _worker_condition.notify_all ();
- lock.unlock ();
-
- for (list<boost::thread *>::iterator i = _worker_threads.begin(); i != _worker_threads.end(); ++i) {
- (*i)->join ();
- delete *i;
- }
-}
-
-void
-J2KVideoEncoder::do_process_video (shared_ptr<Image> yuv, shared_ptr<Subtitle> sub)
-{
- 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());
- _worker_condition.wait (lock);
- TIMING ("decoder wakes with queue of %1", _queue.size());
- }
-
- if (_process_end) {
- return;
- }
-
- /* Only do the processing if we don't already have a file for this frame */
- if (!boost::filesystem::exists (_opt->frame_out_path (_video_frame, false))) {
- 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> (
- new DCPVideoFrame (
- yuv, sub, _opt->out_size, _opt->padding, _film->subtitle_offset(), _film->subtitle_scale(),
- _film->scaler(), _video_frame, _film->frames_per_second(), s.second,
- Config::instance()->colour_lut_index (), Config::instance()->j2k_bandwidth (),
- _film->log()
- )
- ));
-
- _worker_condition.notify_all ();
- } else {
- frame_skipped ();
- }
-}
-
-void
-J2KVideoEncoder::encoder_thread (ServerDescription* server)
-{
- /* Number of seconds that we currently wait between attempts
- to connect to the server; not relevant for localhost
- encodings.
- */
- int remote_backoff = 0;
-
- while (1) {
-
- TIMING ("encoder thread %1 sleeps", boost::this_thread::get_id());
- boost::mutex::scoped_lock lock (_worker_mutex);
- while (_queue.empty () && !_process_end) {
- _worker_condition.wait (lock);
- }
-
- if (_process_end) {
- return;
- }
-
- TIMING ("encoder thread %1 wakes with queue of %2", boost::this_thread::get_id(), _queue.size());
- boost::shared_ptr<DCPVideoFrame> vf = _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 ();
-
- lock.unlock ();
-
- shared_ptr<EncodedData> encoded;
-
- if (server) {
- try {
- encoded = vf->encode_remotely (server);
-
- if (remote_backoff > 0) {
- _film->log()->log (String::compose ("%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;
- }
- _film->log()->log (
- String::compose (
- "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 ("Local encode failed (%1)", e.what ()));
- }
- }
-
- if (encoded) {
- encoded->write (_opt, vf->frame ());
- frame_done ();
- } 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);
- lock.unlock ();
- }
-
- if (remote_backoff > 0) {
- dvdomatic_sleep (remote_backoff);
- }
-
- lock.lock ();
- _worker_condition.notify_all ();
- }
-}
-
-void
-J2KVideoEncoder::process_begin ()
-{
- Encoder::process_begin ();
-
- for (int i = 0; i < Config::instance()->num_local_encoding_threads (); ++i) {
- _worker_threads.push_back (new boost::thread (boost::bind (&J2KVideoEncoder::encoder_thread, this, (ServerDescription *) 0)));
- }
-
- 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) {
- _worker_threads.push_back (new boost::thread (boost::bind (&J2KVideoEncoder::encoder_thread, this, *i)));
- }
- }
-}
-
-void
-J2KVideoEncoder::process_end ()
-{
- Encoder::process_end ();
-
- boost::mutex::scoped_lock lock (_worker_mutex);
-
- _film->log()->log ("Clearing queue of " + lexical_cast<string> (_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);
- _worker_condition.notify_all ();
- _worker_condition.wait (lock);
- }
-
- lock.unlock ();
-
- terminate_worker_threads ();
-
- _film->log()->log ("Mopping up " + lexical_cast<string> (_queue.size()));
-
- /* The following sequence of events can occur in the above code:
- 1. a remote worker takes the last image off the queue
- 2. the loop above terminates
- 3. the remote worker fails to encode the image and puts it back on the queue
- 4. the remote worker is then terminated by terminate_worker_threads
-
- 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 ("Encode left-over frame %1", (*i)->frame ()));
- try {
- shared_ptr<EncodedData> e = (*i)->encode_locally ();
- e->write (_opt, (*i)->frame ());
- frame_done ();
- } catch (std::exception& e) {
- _film->log()->log (String::compose ("Local encode failed (%1)", e.what ()));
- }
- }
-}
-