/*
- Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2016 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ This file is part of DCP-o-matic.
+
+ DCP-o-matic 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,
+ DCP-o-matic 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.
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
-#include <fstream>
-#include <cerrno>
-#include <dcp/mono_picture_mxf.h>
-#include <dcp/stereo_picture_mxf.h>
-#include <dcp/sound_mxf.h>
-#include <dcp/sound_mxf_writer.h>
-#include <dcp/reel.h>
-#include <dcp/reel_mono_picture_asset.h>
-#include <dcp/reel_stereo_picture_asset.h>
-#include <dcp/reel_sound_asset.h>
-#include <dcp/reel_subtitle_asset.h>
-#include <dcp/dcp.h>
-#include <dcp/cpl.h>
-#include <dcp/signer.h>
#include "writer.h"
#include "compose.hpp"
#include "film.h"
#include "job.h"
#include "cross.h"
#include "audio_buffers.h"
-#include "md5_digester.h"
-#include "encoded_data.h"
#include "version.h"
+#include "font.h"
+#include "util.h"
+#include "reel_writer.h"
+#include <dcp/cpl.h>
+#include <boost/foreach.hpp>
+#include <fstream>
+#include <cerrno>
+#include <iostream>
#include "i18n.h"
-#define LOG_GENERAL(...) _film->log()->log (String::compose (__VA_ARGS__), Log::TYPE_GENERAL);
-#define LOG_TIMING(...) _film->log()->microsecond_log (String::compose (__VA_ARGS__), Log::TYPE_TIMING);
-#define LOG_WARNING_NC(...) _film->log()->log (__VA_ARGS__, Log::TYPE_WARNING);
-#define LOG_ERROR(...) _film->log()->log (String::compose (__VA_ARGS__), Log::TYPE_ERROR);
+#define LOG_GENERAL(...) _film->log()->log (String::compose (__VA_ARGS__), LogEntry::TYPE_GENERAL);
+#define LOG_GENERAL_NC(...) _film->log()->log (__VA_ARGS__, LogEntry::TYPE_GENERAL);
+#define LOG_DEBUG_ENCODE(...) _film->log()->log (String::compose (__VA_ARGS__), LogEntry::TYPE_DEBUG_ENCODE);
+#define LOG_TIMING(...) _film->log()->log (String::compose (__VA_ARGS__), LogEntry::TYPE_TIMING);
+#define LOG_WARNING_NC(...) _film->log()->log (__VA_ARGS__, LogEntry::TYPE_WARNING);
+#define LOG_WARNING(...) _film->log()->log (String::compose (__VA_ARGS__), LogEntry::TYPE_WARNING);
+#define LOG_ERROR(...) _film->log()->log (String::compose (__VA_ARGS__), LogEntry::TYPE_ERROR);
/* OS X strikes again */
#undef set_key
using boost::shared_ptr;
using boost::weak_ptr;
using boost::dynamic_pointer_cast;
+using dcp::Data;
-int const Writer::_maximum_frames_in_memory = Config::instance()->num_local_encoding_threads() + 4;
-
-Writer::Writer (shared_ptr<const Film> f, weak_ptr<Job> j)
- : _film (f)
+Writer::Writer (shared_ptr<const Film> film, weak_ptr<Job> j)
+ : _film (film)
, _job (j)
- , _first_nonexistant_frame (0)
, _thread (0)
, _finish (false)
, _queued_full_in_memory (0)
- , _last_written_frame (-1)
- , _last_written_eyes (EYES_RIGHT)
+ , _maximum_frames_in_memory (0)
, _full_written (0)
, _fake_written (0)
+ , _repeat_written (0)
, _pushed_to_disk (0)
{
/* Remove any old DCP */
boost::filesystem::remove_all (_film->dir (_film->dcp_name ()));
shared_ptr<Job> job = _job.lock ();
- assert (job);
-
- job->sub (_("Checking existing image data"));
- check_existing_picture_mxf ();
-
- /* Create our picture asset in a subdirectory, named according to those
- film's parameters which affect the video output. We will hard-link
- it into the DCP later.
- */
+ DCPOMATIC_ASSERT (job);
- if (_film->three_d ()) {
- _picture_mxf.reset (new dcp::StereoPictureMXF (dcp::Fraction (_film->video_frame_rate (), 1)));
- } else {
- _picture_mxf.reset (new dcp::MonoPictureMXF (dcp::Fraction (_film->video_frame_rate (), 1)));
- }
-
- _picture_mxf->set_size (_film->frame_size ());
-
- if (_film->encrypted ()) {
- _picture_mxf->set_key (_film->key ());
+ BOOST_FOREACH (DCPTimePeriod p, _film->reels ()) {
+ _reels.push_back (ReelWriter (film, p, job));
}
-
- _picture_mxf_writer = _picture_mxf->start_write (
- _film->internal_video_mxf_dir() / _film->internal_video_mxf_filename(),
- _film->interop() ? dcp::INTEROP : dcp::SMPTE,
- _first_nonexistant_frame > 0
- );
-
- if (_film->audio_channels ()) {
- _sound_mxf.reset (new dcp::SoundMXF (dcp::Fraction (_film->video_frame_rate(), 1), _film->audio_frame_rate (), _film->audio_channels ()));
- if (_film->encrypted ()) {
- _sound_mxf->set_key (_film->key ());
- }
-
- /* Write the sound MXF into the film directory so that we leave the creation
- of the DCP directory until the last minute.
- */
- _sound_mxf_writer = _sound_mxf->start_write (_film->directory() / _film->audio_mxf_filename(), _film->interop() ? dcp::INTEROP : dcp::SMPTE);
- }
+ /* We can keep track of the current audio and subtitle reels easily because audio
+ and subs arrive to the Writer in sequence. This is not so for video.
+ */
+ _audio_reel = _reels.begin ();
+ _subtitle_reel = _reels.begin ();
/* Check that the signer is OK if we need one */
- if (_film->is_signed() && !Config::instance()->signer()->valid ()) {
+ if (_film->is_signed() && !Config::instance()->signer_chain()->valid ()) {
throw InvalidSignerError ();
}
+}
+void
+Writer::start ()
+{
_thread = new boost::thread (boost::bind (&Writer::thread, this));
-
- job->sub (_("Encoding image data"));
}
Writer::~Writer ()
terminate_thread (false);
}
+/** Pass a video frame to the writer for writing to disk at some point.
+ * This method can be called with frames out of order.
+ * @param encoded JPEG2000-encoded data.
+ * @param frame Frame index within the DCP.
+ * @param eyes Eyes that this frame image is for.
+ */
void
-Writer::write (shared_ptr<const EncodedData> encoded, int frame, Eyes eyes)
+Writer::write (Data encoded, Frame frame, Eyes eyes)
{
- boost::mutex::scoped_lock lock (_mutex);
+ boost::mutex::scoped_lock lock (_state_mutex);
while (_queued_full_in_memory > _maximum_frames_in_memory) {
/* The queue is too big; wait until that is sorted out */
QueueItem qi;
qi.type = QueueItem::FULL;
qi.encoded = encoded;
- qi.frame = frame;
+ qi.reel = video_reel (frame);
+ qi.frame = frame - _reels[qi.reel].start ();
if (_film->three_d() && eyes == EYES_BOTH) {
/* 2D material in a 3D DCP; fake the 3D */
_empty_condition.notify_all ();
}
+bool
+Writer::can_repeat (Frame frame) const
+{
+ return frame > _reels[video_reel(frame)].start();
+}
+
+/** Repeat the last frame that was written to a reel as a new frame.
+ * @param frame Frame index within the DCP of the new (repeated) frame.
+ * @param eyes Eyes that this repeated frame image is for.
+ */
void
-Writer::fake_write (int frame, Eyes eyes)
+Writer::repeat (Frame frame, Eyes eyes)
{
- boost::mutex::scoped_lock lock (_mutex);
+ boost::mutex::scoped_lock lock (_state_mutex);
while (_queued_full_in_memory > _maximum_frames_in_memory) {
/* The queue is too big; wait until that is sorted out */
_full_condition.wait (lock);
}
-
- FILE* ifi = fopen_boost (_film->info_path (frame, eyes), "r");
- dcp::FrameInfo info (ifi);
- fclose (ifi);
-
+
+ QueueItem qi;
+ qi.type = QueueItem::REPEAT;
+ qi.reel = video_reel (frame);
+ qi.frame = frame - _reels[qi.reel].start ();
+ if (_film->three_d() && eyes == EYES_BOTH) {
+ qi.eyes = EYES_LEFT;
+ _queue.push_back (qi);
+ qi.eyes = EYES_RIGHT;
+ _queue.push_back (qi);
+ } else {
+ qi.eyes = eyes;
+ _queue.push_back (qi);
+ }
+
+ /* Now there's something to do: wake anything wait()ing on _empty_condition */
+ _empty_condition.notify_all ();
+}
+
+void
+Writer::fake_write (Frame frame, Eyes eyes)
+{
+ boost::mutex::scoped_lock lock (_state_mutex);
+
+ while (_queued_full_in_memory > _maximum_frames_in_memory) {
+ /* The queue is too big; wait until that is sorted out */
+ _full_condition.wait (lock);
+ }
+
+ size_t const reel = video_reel (frame);
+ Frame const reel_frame = frame - _reels[reel].start ();
+
+ FILE* file = fopen_boost (_film->info_file(_reels[reel].period()), "rb");
+ if (!file) {
+ throw ReadFileError (_film->info_file(_reels[reel].period()));
+ }
+ dcp::FrameInfo info = _reels[reel].read_frame_info (file, reel_frame, eyes);
+ fclose (file);
+
QueueItem qi;
qi.type = QueueItem::FAKE;
qi.size = info.size;
- qi.frame = frame;
+ qi.reel = reel;
+ qi.frame = reel_frame;
if (_film->three_d() && eyes == EYES_BOTH) {
qi.eyes = EYES_LEFT;
_queue.push_back (qi);
_empty_condition.notify_all ();
}
-/** This method is not thread safe */
+/** Write one video frame's worth of audio frames to the DCP.
+ * @param audio Audio data or 0 if there is no audio to be written here (i.e. it is referenced).
+ * This method is not thread safe.
+ */
void
Writer::write (shared_ptr<const AudioBuffers> audio)
{
- if (_sound_mxf_writer) {
- _sound_mxf_writer->write (audio->data(), audio->frames());
+ if (_audio_reel == _reels.end ()) {
+ /* This audio is off the end of the last reel; ignore it */
+ return;
+ }
+
+ _audio_reel->write (audio);
+
+ /* written is in video frames, not audio frames */
+ if (_audio_reel->total_written_audio_frames() >= _audio_reel->period().duration().frames_floor (_film->video_frame_rate())) {
+ ++_audio_reel;
}
}
_queue.sort ();
+ QueueItem const & f = _queue.front();
+ ReelWriter const & reel = _reels[f.reel];
+
/* The queue should contain only EYES_LEFT/EYES_RIGHT pairs or EYES_BOTH */
- if (_queue.front().eyes == EYES_BOTH) {
+ if (f.eyes == EYES_BOTH) {
/* 2D */
- return _queue.front().frame == (_last_written_frame + 1);
+ return f.frame == (reel.last_written_video_frame() + 1);
}
/* 3D */
- if (_last_written_eyes == EYES_LEFT && _queue.front().frame == _last_written_frame && _queue.front().eyes == EYES_RIGHT) {
+ if (reel.last_written_eyes() == EYES_LEFT && f.frame == reel.last_written_video_frame() && f.eyes == EYES_RIGHT) {
return true;
}
- if (_last_written_eyes == EYES_RIGHT && _queue.front().frame == (_last_written_frame + 1) && _queue.front().eyes == EYES_LEFT) {
+ if (reel.last_written_eyes() == EYES_RIGHT && f.frame == (reel.last_written_video_frame() + 1) && f.eyes == EYES_LEFT) {
return true;
}
{
while (true)
{
- boost::mutex::scoped_lock lock (_mutex);
+ boost::mutex::scoped_lock lock (_state_mutex);
while (true) {
-
+
if (_finish || _queued_full_in_memory > _maximum_frames_in_memory || have_sequenced_image_at_queue_head ()) {
/* We've got something to do: go and do it */
break;
}
/* Nothing to do: wait until something happens which may indicate that we do */
- LOG_TIMING (N_("writer sleeps with a queue of %1"), _queue.size());
+ LOG_TIMING (N_("writer-sleep queue=%1"), _queue.size());
_empty_condition.wait (lock);
- LOG_TIMING (N_("writer wakes with a queue of %1"), _queue.size());
+ LOG_TIMING (N_("writer-wake queue=%1"), _queue.size());
}
if (_finish && _queue.empty()) {
return;
}
+ /* We stop here if we have been asked to finish, and if either the queue
+ is empty or we do not have a sequenced image at its head (if this is the
+ case we will never terminate as no new frames will be sent once
+ _finish is true).
+ */
+ if (_finish && (!have_sequenced_image_at_queue_head() || _queue.empty())) {
+ /* (Hopefully temporarily) log anything that was not written */
+ if (!_queue.empty() && !have_sequenced_image_at_queue_head()) {
+ LOG_WARNING (N_("Finishing writer with a left-over queue of %1:"), _queue.size());
+ for (list<QueueItem>::const_iterator i = _queue.begin(); i != _queue.end(); ++i) {
+ if (i->type == QueueItem::FULL) {
+ LOG_WARNING (N_("- type FULL, frame %1, eyes %2"), i->frame, i->eyes);
+ } else {
+ LOG_WARNING (N_("- type FAKE, size %1, frame %2, eyes %3"), i->size, i->frame, i->eyes);
+ }
+ }
+ }
+ return;
+ }
+
/* Write any frames that we can write; i.e. those that are in sequence. */
while (have_sequenced_image_at_queue_head ()) {
QueueItem qi = _queue.front ();
}
lock.unlock ();
+
+ ReelWriter& reel = _reels[qi.reel];
+
switch (qi.type) {
case QueueItem::FULL:
- {
- LOG_GENERAL (N_("Writer FULL-writes %1 to MXF"), qi.frame);
+ LOG_DEBUG_ENCODE (N_("Writer FULL-writes %1 (%2)"), qi.frame, qi.eyes);
if (!qi.encoded) {
- qi.encoded.reset (new EncodedData (_film->j2c_path (qi.frame, qi.eyes, false)));
+ qi.encoded = Data (_film->j2c_path (qi.reel, qi.frame, qi.eyes, false));
}
-
- dcp::FrameInfo fin = _picture_mxf_writer->write (qi.encoded->data(), qi.encoded->size());
- qi.encoded->write_info (_film, qi.frame, qi.eyes, fin);
- _last_written[qi.eyes] = qi.encoded;
+ reel.write (qi.encoded, qi.frame, qi.eyes);
++_full_written;
break;
- }
case QueueItem::FAKE:
- LOG_GENERAL (N_("Writer FAKE-writes %1 to MXF"), qi.frame);
- _picture_mxf_writer->fake_write (qi.size);
- _last_written[qi.eyes].reset ();
+ LOG_DEBUG_ENCODE (N_("Writer FAKE-writes %1"), qi.frame);
+ reel.fake_write (qi.frame, qi.eyes, qi.size);
++_fake_written;
break;
+ case QueueItem::REPEAT:
+ LOG_DEBUG_ENCODE (N_("Writer REPEAT-writes %1"), qi.frame);
+ reel.repeat_write (qi.frame, qi.eyes);
+ ++_repeat_written;
+ break;
}
- lock.lock ();
- _last_written_frame = qi.frame;
- _last_written_eyes = qi.eyes;
-
- shared_ptr<Job> job = _job.lock ();
- assert (job);
- int64_t total = _film->length().frames (_film->video_frame_rate ());
- if (_film->three_d ()) {
- /* _full_written and so on are incremented for each eye, so we need to double the total
- frames to get the correct progress.
- */
- total *= 2;
- }
- if (total) {
- job->set_progress (float (_full_written + _fake_written) / total);
- }
+ lock.lock ();
}
while (_queued_full_in_memory > _maximum_frames_in_memory) {
++i;
}
- assert (i != _queue.rend());
- QueueItem qi = *i;
-
+ DCPOMATIC_ASSERT (i != _queue.rend());
++_pushed_to_disk;
-
lock.unlock ();
- LOG_GENERAL (
- "Writer full (awaiting %1 [last eye was %2]); pushes %3 to disk",
- _last_written_frame + 1,
- _last_written_eyes, qi.frame
+ /* i is valid here, even though we don't hold a lock on the mutex,
+ since list iterators are unaffected by insertion and only this
+ thread could erase the last item in the list.
+ */
+
+ LOG_GENERAL ("Writer full; pushes %1 to disk", i->frame);
+
+ i->encoded->write_via_temp (
+ _film->j2c_path (i->reel, i->frame, i->eyes, true),
+ _film->j2c_path (i->reel, i->frame, i->eyes, false)
);
-
- qi.encoded->write (_film, qi.frame, qi.eyes);
+
lock.lock ();
- qi.encoded.reset ();
+ i->encoded.reset ();
--_queued_full_in_memory;
}
void
Writer::terminate_thread (bool can_throw)
{
- boost::mutex::scoped_lock lock (_mutex);
+ boost::mutex::scoped_lock lock (_state_mutex);
if (_thread == 0) {
return;
}
-
+
_finish = true;
_empty_condition.notify_all ();
_full_condition.notify_all ();
lock.unlock ();
- _thread->join ();
+ if (_thread->joinable ()) {
+ _thread->join ();
+ }
+
if (can_throw) {
rethrow ();
}
-
+
delete _thread;
_thread = 0;
-}
+}
void
Writer::finish ()
if (!_thread) {
return;
}
-
- terminate_thread (true);
- _picture_mxf_writer->finalize ();
- if (_sound_mxf_writer) {
- _sound_mxf_writer->finalize ();
- }
-
- /* Hard-link the video MXF into the DCP */
- boost::filesystem::path video_from;
- video_from /= _film->internal_video_mxf_dir();
- video_from /= _film->internal_video_mxf_filename();
-
- boost::filesystem::path video_to;
- video_to /= _film->dir (_film->dcp_name());
- video_to /= _film->video_mxf_filename ();
-
- boost::system::error_code ec;
- boost::filesystem::create_hard_link (video_from, video_to, ec);
- if (ec) {
- LOG_WARNING_NC ("Hard-link failed; copying instead");
- boost::filesystem::copy_file (video_from, video_to, ec);
- if (ec) {
- LOG_ERROR ("Failed to copy video file from %1 to %2 (%3)", video_from.string(), video_to.string(), ec.message ());
- throw FileError (ec.message(), video_from);
- }
- }
-
- _picture_mxf->set_file (video_to);
+ LOG_GENERAL_NC ("Terminating writer thread");
- /* Move the audio MXF into the DCP */
+ terminate_thread (true);
- if (_sound_mxf) {
- boost::filesystem::path audio_to;
- audio_to /= _film->dir (_film->dcp_name ());
- audio_to /= _film->audio_mxf_filename ();
-
- boost::filesystem::rename (_film->file (_film->audio_mxf_filename ()), audio_to, ec);
- if (ec) {
- throw FileError (
- String::compose (_("could not move audio MXF into the DCP (%1)"), ec.value ()), _film->file (_film->audio_mxf_filename ())
- );
- }
+ LOG_GENERAL_NC ("Finishing ReelWriters");
- _sound_mxf->set_file (audio_to);
+ BOOST_FOREACH (ReelWriter& i, _reels) {
+ i.finish ();
}
+ LOG_GENERAL_NC ("Writing XML");
+
dcp::DCP dcp (_film->dir (_film->dcp_name()));
shared_ptr<dcp::CPL> cpl (
_film->dcp_content_type()->libdcp_kind ()
)
);
-
- dcp.add (cpl);
-
- shared_ptr<dcp::Reel> reel (new dcp::Reel ());
- shared_ptr<dcp::MonoPictureMXF> mono = dynamic_pointer_cast<dcp::MonoPictureMXF> (_picture_mxf);
- if (mono) {
- reel->add (shared_ptr<dcp::ReelPictureAsset> (new dcp::ReelMonoPictureAsset (mono, 0)));
- dcp.add (mono);
- }
-
- shared_ptr<dcp::StereoPictureMXF> stereo = dynamic_pointer_cast<dcp::StereoPictureMXF> (_picture_mxf);
- if (stereo) {
- reel->add (shared_ptr<dcp::ReelPictureAsset> (new dcp::ReelStereoPictureAsset (stereo, 0)));
- dcp.add (stereo);
- }
+ dcp.add (cpl);
- if (_sound_mxf) {
- reel->add (shared_ptr<dcp::ReelSoundAsset> (new dcp::ReelSoundAsset (_sound_mxf, 0)));
- dcp.add (_sound_mxf);
- }
+ BOOST_FOREACH (ReelWriter& i, _reels) {
- if (_subtitle_content) {
- _subtitle_content->write_xml (_film->dir (_film->dcp_name ()) / _film->subtitle_xml_filename ());
- reel->add (shared_ptr<dcp::ReelSubtitleAsset> (
- new dcp::ReelSubtitleAsset (
- _subtitle_content,
- dcp::Fraction (_film->video_frame_rate(), 1),
- _picture_mxf->intrinsic_duration (),
- 0
- )
- ));
-
- dcp.add (_subtitle_content);
- }
-
- cpl->add (reel);
-
- shared_ptr<Job> job = _job.lock ();
- assert (job);
-
- job->sub (_("Computing image digest"));
- _picture_mxf->hash (boost::bind (&Job::set_progress, job.get(), _1, false));
+ shared_ptr<Job> job = _job.lock ();
+ DCPOMATIC_ASSERT (job);
+ i.calculate_digests (job);
- if (_sound_mxf) {
- job->sub (_("Computing audio digest"));
- _sound_mxf->hash (boost::bind (&Job::set_progress, job.get(), _1, false));
+ cpl->add (i.create_reel (_reel_assets, _fonts));
}
dcp::XMLMetadata meta;
+ meta.creator = Config::instance()->dcp_creator ();
+ if (meta.creator.empty ()) {
+ meta.creator = String::compose ("DCP-o-matic %1 %2", dcpomatic_version, dcpomatic_git_commit);
+ }
meta.issuer = Config::instance()->dcp_issuer ();
- meta.creator = String::compose ("DCP-o-matic %1 %2", dcpomatic_version, dcpomatic_git_commit);
+ if (meta.issuer.empty ()) {
+ meta.issuer = String::compose ("DCP-o-matic %1 %2", dcpomatic_version, dcpomatic_git_commit);
+ }
meta.set_issue_date_now ();
- shared_ptr<const dcp::Signer> signer;
+ cpl->set_metadata (meta);
+
+ shared_ptr<const dcp::CertificateChain> signer;
if (_film->is_signed ()) {
- signer = Config::instance()->signer ();
+ signer = Config::instance()->signer_chain ();
/* We did check earlier, but check again here to be on the safe side */
if (!signer->valid ()) {
throw InvalidSignerError ();
dcp.write_xml (_film->interop () ? dcp::INTEROP : dcp::SMPTE, meta, signer);
LOG_GENERAL (
- N_("Wrote %1 FULL, %2 FAKE, %3 pushed to disk"), _full_written, _fake_written, _pushed_to_disk
+ N_("Wrote %1 FULL, %2 FAKE, %3 REPEAT, %4 pushed to disk"), _full_written, _fake_written, _repeat_written, _pushed_to_disk
);
}
+/** @param frame Frame index within the whole DCP.
+ * @return true if we can fake-write this frame.
+ */
bool
-Writer::check_existing_picture_mxf_frame (FILE* mxf, int f, Eyes eyes)
+Writer::can_fake_write (Frame frame) const
{
- /* Read the frame info as written */
- FILE* ifi = fopen_boost (_film->info_path (f, eyes), "r");
- if (!ifi) {
- LOG_GENERAL ("Existing frame %1 has no info file", f);
- return false;
- }
-
- dcp::FrameInfo info (ifi);
- fclose (ifi);
- if (info.size == 0) {
- LOG_GENERAL ("Existing frame %1 has no info file", f);
- return false;
- }
-
- /* Read the data from the MXF and hash it */
- dcpomatic_fseek (mxf, info.offset, SEEK_SET);
- EncodedData data (info.size);
- size_t const read = fread (data.data(), 1, data.size(), mxf);
- if (read != static_cast<size_t> (data.size ())) {
- LOG_GENERAL ("Existing frame %1 is incomplete", f);
- return false;
- }
+ /* We have to do a proper write of the first frame so that we can set up the JPEG2000
+ parameters in the asset writer.
+ */
- MD5Digester digester;
- digester.add (data.data(), data.size());
- if (digester.get() != info.hash) {
- LOG_GENERAL ("Existing frame %1 failed hash check", f);
- return false;
- }
+ ReelWriter const & reel = _reels[video_reel(frame)];
- return true;
+ /* Make frame relative to the start of the reel */
+ frame -= reel.start ();
+ return (frame != 0 && frame < reel.first_nonexistant_frame());
}
void
-Writer::check_existing_picture_mxf ()
+Writer::write (PlayerSubtitles subs)
{
- /* Try to open the existing MXF */
- boost::filesystem::path p;
- p /= _film->internal_video_mxf_dir ();
- p /= _film->internal_video_mxf_filename ();
- FILE* mxf = fopen_boost (p, "rb");
- if (!mxf) {
- LOG_GENERAL ("Could not open existing MXF at %1 (errno=%2)", p.string(), errno);
+ if (subs.text.empty ()) {
return;
}
- int N = 0;
- for (boost::filesystem::directory_iterator i (_film->info_dir ()); i != boost::filesystem::directory_iterator (); ++i) {
- ++N;
+ if (_subtitle_reel->period().to <= subs.from) {
+ ++_subtitle_reel;
}
- while (true) {
-
- shared_ptr<Job> job = _job.lock ();
- assert (job);
+ _subtitle_reel->write (subs);
+}
- if (N > 0) {
- job->set_progress (float (_first_nonexistant_frame) / N);
- }
+void
+Writer::write (list<shared_ptr<Font> > fonts)
+{
+ /* Just keep a list of unique fonts and we'll deal with them in ::finish */
- if (_film->three_d ()) {
- if (!check_existing_picture_mxf_frame (mxf, _first_nonexistant_frame, EYES_LEFT)) {
- break;
- }
- if (!check_existing_picture_mxf_frame (mxf, _first_nonexistant_frame, EYES_RIGHT)) {
- break;
- }
- } else {
- if (!check_existing_picture_mxf_frame (mxf, _first_nonexistant_frame, EYES_BOTH)) {
- break;
+ BOOST_FOREACH (shared_ptr<Font> i, fonts) {
+ bool got = false;
+ BOOST_FOREACH (shared_ptr<Font> j, _fonts) {
+ if (*i == *j) {
+ got = true;
}
}
- LOG_GENERAL ("Have existing frame %1", _first_nonexistant_frame);
- ++_first_nonexistant_frame;
+ if (!got) {
+ _fonts.push_back (i);
+ }
}
-
- fclose (mxf);
}
-/** @param frame Frame index.
- * @return true if we can fake-write this frame.
- */
bool
-Writer::can_fake_write (int frame) const
-{
- /* We have to do a proper write of the first frame so that we can set up the JPEG2000
- parameters in the MXF writer.
- */
- return (frame != 0 && frame < _first_nonexistant_frame);
-}
-
-void
-Writer::write (PlayerSubtitles subs)
+operator< (QueueItem const & a, QueueItem const & b)
{
- if (subs.text.empty ()) {
- return;
- }
-
- if (!_subtitle_content) {
- _subtitle_content.reset (
- new dcp::SubtitleContent (_film->name(), _film->isdcf_metadata().subtitle_language)
- );
- }
-
- for (list<dcp::SubtitleString>::const_iterator i = subs.text.begin(); i != subs.text.end(); ++i) {
- _subtitle_content->add (*i);
+ if (a.reel != b.reel) {
+ return a.reel < b.reel;
}
-}
-bool
-operator< (QueueItem const & a, QueueItem const & b)
-{
if (a.frame != b.frame) {
return a.frame < b.frame;
}
bool
operator== (QueueItem const & a, QueueItem const & b)
{
- return a.frame == b.frame && a.eyes == b.eyes;
+ return a.reel == b.reel && a.frame == b.frame && a.eyes == b.eyes;
+}
+
+void
+Writer::set_encoder_threads (int threads)
+{
+ /* I think the scaling factor here should be the ratio of the longest frame
+ encode time to the shortest; if the thread count is T, longest time is L
+ and the shortest time S we could encode L/S frames per thread whilst waiting
+ for the L frame to encode so we might have to store LT/S frames.
+
+ However we don't want to use too much memory, so keep it a bit lower than we'd
+ perhaps like. A J2K frame is typically about 1Mb so 3 here will mean we could
+ use about 240Mb with 72 encoding threads.
+ */
+ _maximum_frames_in_memory = lrint (threads * 3);
+}
+
+void
+Writer::write (ReferencedReelAsset asset)
+{
+ _reel_assets.push_back (asset);
+}
+
+size_t
+Writer::video_reel (int frame) const
+{
+ DCPTime t = DCPTime::from_frames (frame, _film->video_frame_rate ());
+ size_t i = 0;
+ while (i < _reels.size() && !_reels[i].period().contains (t)) {
+ ++i;
+ }
+
+ DCPOMATIC_ASSERT (i < _reels.size ());
+ return i;
}