/*
- Copyright (C) 2012-2015 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 "job.h"
#include "cross.h"
#include "audio_buffers.h"
-#include "md5_digester.h"
-#include "data.h"
#include "version.h"
#include "font.h"
#include "util.h"
-#include <dcp/mono_picture_asset.h>
-#include <dcp/stereo_picture_asset.h>
-#include <dcp/sound_asset.h>
-#include <dcp/sound_asset_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 "reel_writer.h"
#include <dcp/cpl.h>
-#include <dcp/certificate_chain.h>
-#include <dcp/interop_subtitle_asset.h>
-#include <dcp/smpte_subtitle_asset.h>
#include <boost/foreach.hpp>
#include <fstream>
#include <cerrno>
#include "i18n.h"
-#define LOG_GENERAL(...) _film->log()->log (String::compose (__VA_ARGS__), Log::TYPE_GENERAL);
-#define LOG_GENERAL_NC(...) _film->log()->log (__VA_ARGS__, Log::TYPE_GENERAL);
-#define LOG_DEBUG_ENCODE(...) _film->log()->log (String::compose (__VA_ARGS__), Log::TYPE_DEBUG_ENCODE);
-#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_WARNING(...) _film->log()->log (String::compose (__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;
-
-int const Writer::_info_size = 48;
+using dcp::Data;
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)
shared_ptr<Job> job = _job.lock ();
DCPOMATIC_ASSERT (job);
- /* 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.
- */
-
- if (_film->three_d ()) {
- _picture_asset.reset (new dcp::StereoPictureAsset (dcp::Fraction (_film->video_frame_rate (), 1)));
- } else {
- _picture_asset.reset (new dcp::MonoPictureAsset (dcp::Fraction (_film->video_frame_rate (), 1)));
- }
-
- _picture_asset->set_size (_film->frame_size ());
-
- if (_film->encrypted ()) {
- _picture_asset->set_key (_film->key ());
+ BOOST_FOREACH (DCPTimePeriod p, _film->reels ()) {
+ _reels.push_back (ReelWriter (film, p, job));
}
- _picture_asset->set_file (
- _film->internal_video_asset_dir() / _film->internal_video_asset_filename()
- );
-
- job->sub (_("Checking existing image data"));
- check_existing_picture_asset ();
-
- _picture_asset_writer = _picture_asset->start_write (
- _film->internal_video_asset_dir() / _film->internal_video_asset_filename(),
- _film->interop() ? dcp::INTEROP : dcp::SMPTE,
- _first_nonexistant_frame > 0
- );
-
- if (_film->audio_channels ()) {
- _sound_asset.reset (
- new dcp::SoundAsset (dcp::Fraction (_film->video_frame_rate(), 1), _film->audio_frame_rate (), _film->audio_channels ())
- );
-
- if (_film->encrypted ()) {
- _sound_asset->set_key (_film->key ());
- }
-
- /* Write the sound asset into the film directory so that we leave the creation
- of the DCP directory until the last minute.
- */
- _sound_asset_writer = _sound_asset->start_write (
- _film->directory() / audio_asset_filename (_sound_asset),
- _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_chain()->valid ()) {
throw InvalidSignerError ();
}
-
- job->sub (_("Encoding image data"));
}
void
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 (Data encoded, int frame, Eyes eyes)
+Writer::write (Data encoded, Frame frame, Eyes eyes)
{
boost::mutex::scoped_lock lock (_state_mutex);
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::repeat (int frame, Eyes eyes)
+Writer::repeat (Frame frame, Eyes eyes)
{
boost::mutex::scoped_lock lock (_state_mutex);
QueueItem qi;
qi.type = QueueItem::REPEAT;
- qi.frame = frame;
+ 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);
}
void
-Writer::fake_write (int frame, Eyes eyes)
+Writer::fake_write (Frame frame, Eyes eyes)
{
boost::mutex::scoped_lock lock (_state_mutex);
_full_condition.wait (lock);
}
- FILE* file = fopen_boost (_film->info_file (), "rb");
+ 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 ());
+ throw ReadFileError (_film->info_file(_reels[reel].period()));
}
- dcp::FrameInfo info = read_frame_info (file, frame, eyes);
+ 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_asset_writer) {
- _sound_asset_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;
}
return false;
}
-void
-Writer::write_frame_info (int frame, Eyes eyes, dcp::FrameInfo info) const
-{
- FILE* file = 0;
- if (boost::filesystem::exists (_film->info_file ())) {
- file = fopen_boost (_film->info_file(), "r+b");
- } else {
- file = fopen_boost (_film->info_file(), "wb");
- }
- if (!file) {
- throw OpenFileError (_film->info_file ());
- }
- dcpomatic_fseek (file, frame_info_position (frame, eyes), SEEK_SET);
- fwrite (&info.offset, sizeof (info.offset), 1, file);
- fwrite (&info.size, sizeof (info.size), 1, file);
- fwrite (info.hash.c_str(), 1, info.hash.size(), file);
- fclose (file);
-}
-
void
Writer::thread ()
try
LOG_WARNING (N_("- type FAKE, size %1, frame %2, eyes %3"), i->size, i->frame, i->eyes);
}
}
- LOG_WARNING (N_("Last written frame %1, last written eyes %2"), _last_written_frame, _last_written_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_DEBUG_ENCODE (N_("Writer FULL-writes %1 (%2)"), qi.frame, qi.eyes);
if (!qi.encoded) {
- qi.encoded = Data (_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_asset_writer->write (qi.encoded->data().get (), qi.encoded->size());
- write_frame_info (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_DEBUG_ENCODE (N_("Writer FAKE-writes %1"), qi.frame);
- _picture_asset_writer->fake_write (qi.size);
- _last_written[qi.eyes].reset ();
+ 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);
- dcp::FrameInfo fin = _picture_asset_writer->write (
- _last_written[qi.eyes]->data().get(),
- _last_written[qi.eyes]->size()
- );
- write_frame_info (qi.frame, qi.eyes, fin);
+ 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 ();
- DCPOMATIC_ASSERT (job);
- int64_t total = _film->length().frames_round (_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 + _repeat_written) / total);
- }
+ lock.lock ();
}
while (_queued_full_in_memory > _maximum_frames_in_memory) {
thread could erase the last item in the list.
*/
- LOG_GENERAL (
- "Writer full (awaiting %1 [last eye was %2]); pushes %3 to disk",
- _last_written_frame + 1,
- _last_written_eyes, i->frame
- );
+ LOG_GENERAL ("Writer full; pushes %1 to disk", i->frame);
- i->encoded->write_via_temp (_film->j2c_path (i->frame, i->eyes, true), _film->j2c_path (i->frame, i->eyes, false));
+ 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)
+ );
lock.lock ();
i->encoded.reset ();
_full_condition.notify_all ();
lock.unlock ();
- DCPOMATIC_ASSERT (_thread->joinable ());
- _thread->join ();
+ if (_thread->joinable ()) {
+ _thread->join ();
+ }
+
if (can_throw) {
rethrow ();
}
return;
}
- terminate_thread (true);
+ LOG_GENERAL_NC ("Terminating writer thread");
- if (!_picture_asset_writer->finalize ()) {
- /* Nothing was written to the picture asset */
- _picture_asset.reset ();
- }
+ terminate_thread (true);
- if (_sound_asset_writer) {
- if (!_sound_asset_writer->finalize ()) {
- /* Nothing was written to the sound asset */
- _sound_asset.reset ();
- }
- }
+ LOG_GENERAL_NC ("Finishing ReelWriters");
- /* Hard-link any video asset file into the DCP */
- if (_picture_asset) {
- boost::filesystem::path video_from = _picture_asset->file ();
- boost::filesystem::path video_to;
- video_to /= _film->dir (_film->dcp_name());
- video_to /= video_asset_filename (_picture_asset);
-
- 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_asset->set_file (video_to);
+ BOOST_FOREACH (ReelWriter& i, _reels) {
+ i.finish ();
}
- /* Move the audio asset into the DCP */
- if (_sound_asset) {
- boost::filesystem::path audio_to;
- audio_to /= _film->dir (_film->dcp_name ());
- audio_to /= audio_asset_filename (_sound_asset);
-
- boost::system::error_code ec;
- boost::filesystem::rename (_film->file (audio_asset_filename (_sound_asset)), audio_to, ec);
- if (ec) {
- throw FileError (
- String::compose (_("could not move audio asset into the DCP (%1)"), ec.value ()), audio_asset_filename (_sound_asset)
- );
- }
-
- _sound_asset->set_file (audio_to);
- }
+ LOG_GENERAL_NC ("Writing XML");
dcp::DCP dcp (_film->dir (_film->dcp_name()));
dcp.add (cpl);
- shared_ptr<dcp::Reel> reel (new dcp::Reel ());
-
- shared_ptr<dcp::ReelPictureAsset> reel_picture_asset;
+ BOOST_FOREACH (ReelWriter& i, _reels) {
- if (_picture_asset) {
- /* We have made a picture asset of our own. Put it into the reel */
- shared_ptr<dcp::MonoPictureAsset> mono = dynamic_pointer_cast<dcp::MonoPictureAsset> (_picture_asset);
- if (mono) {
- reel_picture_asset.reset (new dcp::ReelMonoPictureAsset (mono, 0));
- }
+ shared_ptr<Job> job = _job.lock ();
+ DCPOMATIC_ASSERT (job);
+ i.calculate_digests (job);
- shared_ptr<dcp::StereoPictureAsset> stereo = dynamic_pointer_cast<dcp::StereoPictureAsset> (_picture_asset);
- if (stereo && boost::filesystem::exists (stereo->file ())) {
- reel_picture_asset.reset (new dcp::ReelStereoPictureAsset (stereo, 0));
- }
- } else {
- /* We don't have a picture asset of our own; maybe we need to reference one */
- /* XXX: this is all a hack */
- BOOST_FOREACH (shared_ptr<dcp::ReelAsset> i, _reel_assets) {
- shared_ptr<dcp::ReelPictureAsset> j = dynamic_pointer_cast<dcp::ReelPictureAsset> (i);
- if (j) {
- reel_picture_asset = j;
- }
- }
- }
-
- reel->add (reel_picture_asset);
-
- if (_sound_asset) {
- /* We have made a sound asset of our own. Put it into the reel */
- reel->add (shared_ptr<dcp::ReelSoundAsset> (new dcp::ReelSoundAsset (_sound_asset, 0)));
- } else {
- /* We don't have a sound asset of our own; maybe we need to reference one */
- /* XXX: this is all a hack */
- BOOST_FOREACH (shared_ptr<dcp::ReelAsset> i, _reel_assets) {
- if (dynamic_pointer_cast<dcp::ReelSoundAsset> (i)) {
- reel->add (i);
- }
- }
- }
-
- if (_subtitle_asset) {
- boost::filesystem::path liberation;
- try {
- liberation = shared_path () / "LiberationSans-Regular.ttf";
- } catch (boost::filesystem::filesystem_error& e) {
- /* Hack: try the debian/ubuntu location if getting the shared path failed */
- liberation = "/usr/share/fonts/truetype/liberation/LiberationSans-Regular.ttf";
- }
-
- /* Add all the fonts to the subtitle content */
- BOOST_FOREACH (shared_ptr<Font> i, _fonts) {
- _subtitle_asset->add_font (i->id(), i->file().get_value_or (liberation));
- }
-
- if (dynamic_pointer_cast<dcp::InteropSubtitleAsset> (_subtitle_asset)) {
- boost::filesystem::path directory = _film->dir (_film->dcp_name ()) / _subtitle_asset->id ();
- boost::filesystem::create_directories (directory);
- _subtitle_asset->write (directory / ("sub_" + _subtitle_asset->id() + ".xml"));
- } else {
- _subtitle_asset->write (
- _film->dir (_film->dcp_name ()) / ("sub_" + _subtitle_asset->id() + ".mxf")
- );
- }
-
- reel->add (shared_ptr<dcp::ReelSubtitleAsset> (
- new dcp::ReelSubtitleAsset (
- _subtitle_asset,
- dcp::Fraction (_film->video_frame_rate(), 1),
- reel_picture_asset->intrinsic_duration (),
- 0
- )
- ));
- } else {
- /* We don't have a subtitle asset of our own; maybe we need to reference one */
- /* XXX: this is all a hack */
- BOOST_FOREACH (shared_ptr<dcp::ReelAsset> i, _reel_assets) {
- if (dynamic_pointer_cast<dcp::ReelSubtitleAsset> (i)) {
- reel->add (i);
- }
- }
- }
-
- cpl->add (reel);
-
- shared_ptr<Job> job = _job.lock ();
- DCPOMATIC_ASSERT (job);
-
- job->sub (_("Computing image digest"));
- if (_picture_asset) {
- _picture_asset->hash (boost::bind (&Job::set_progress, job.get(), _1, false));
- }
-
- if (_sound_asset) {
- job->sub (_("Computing audio digest"));
- _sound_asset->hash (boost::bind (&Job::set_progress, job.get(), _1, false));
+ cpl->add (i.create_reel (_reel_assets, _fonts));
}
dcp::XMLMetadata meta;
);
}
-void
-Writer::check_existing_picture_asset ()
-{
- /* Try to open the existing asset */
- FILE* asset_file = fopen_boost (_picture_asset->file(), "rb");
- if (!asset_file) {
- LOG_GENERAL ("Could not open existing asset at %1 (errno=%2)", _picture_asset->file().string(), errno);
- return;
- }
-
- /* Offset of the last dcp::FrameInfo in the info file */
- int const n = (boost::filesystem::file_size (_film->info_file ()) / _info_size) - 1;
-
- FILE* info_file = fopen_boost (_film->info_file (), "rb");
- if (!info_file) {
- LOG_GENERAL_NC ("Could not open film info file");
- fclose (asset_file);
- return;
- }
-
- if (_film->three_d ()) {
- /* Start looking at the last left frame */
- _first_nonexistant_frame = n / 2;
- } else {
- _first_nonexistant_frame = n;
- }
-
- bool ok = false;
-
- while (!ok) {
- /* Read the data from the info file; for 3D we just check the left
- frames until we find a good one.
- */
- dcp::FrameInfo info = read_frame_info (info_file, _first_nonexistant_frame, _film->three_d () ? EYES_LEFT : EYES_BOTH);
-
- ok = true;
-
- /* Read the data from the asset and hash it */
- dcpomatic_fseek (asset_file, info.offset, SEEK_SET);
- Data data (info.size);
- size_t const read = fread (data.data().get(), 1, data.size(), asset_file);
- if (read != static_cast<size_t> (data.size ())) {
- LOG_GENERAL ("Existing frame %1 is incomplete", _first_nonexistant_frame);
- ok = false;
- } else {
- MD5Digester digester;
- digester.add (data.data().get(), data.size());
- if (digester.get() != info.hash) {
- LOG_GENERAL ("Existing frame %1 failed hash check", _first_nonexistant_frame);
- ok = false;
- }
- }
-
- if (!ok) {
- --_first_nonexistant_frame;
- }
- }
-
- if (!_film->three_d ()) {
- /* If we are doing 3D we might have found a good L frame with no R, so only
- do this if we're in 2D and we've just found a good B(oth) frame.
- */
- ++_first_nonexistant_frame;
- }
-
- fclose (asset_file);
- fclose (info_file);
-}
-
-/** @param frame Frame index.
+/** @param frame Frame index within the whole DCP.
* @return true if we can fake-write this frame.
*/
bool
-Writer::can_fake_write (int frame) const
+Writer::can_fake_write (Frame frame) const
{
/* We have to do a proper write of the first frame so that we can set up the JPEG2000
parameters in the asset writer.
*/
- return (frame != 0 && frame < _first_nonexistant_frame);
+
+ ReelWriter const & reel = _reels[video_reel(frame)];
+
+ /* Make frame relative to the start of the reel */
+ frame -= reel.start ();
+ return (frame != 0 && frame < reel.first_nonexistant_frame());
}
void
return;
}
- if (!_subtitle_asset) {
- string lang = _film->subtitle_language ();
- if (lang.empty ()) {
- lang = "Unknown";
- }
- if (_film->interop ()) {
- shared_ptr<dcp::InteropSubtitleAsset> s (new dcp::InteropSubtitleAsset ());
- s->set_movie_title (_film->name ());
- s->set_language (lang);
- s->set_reel_number ("1");
- _subtitle_asset = s;
- } else {
- shared_ptr<dcp::SMPTESubtitleAsset> s (new dcp::SMPTESubtitleAsset ());
- s->set_content_title_text (_film->name ());
- s->set_language (lang);
- s->set_edit_rate (dcp::Fraction (_film->video_frame_rate (), 1));
- s->set_reel_number (1);
- s->set_time_code_rate (_film->video_frame_rate ());
- s->set_start_time (dcp::Time ());
- _subtitle_asset = s;
- }
+ if (_subtitle_reel->period().to <= subs.from) {
+ ++_subtitle_reel;
}
- for (list<dcp::SubtitleString>::const_iterator i = subs.text.begin(); i != subs.text.end(); ++i) {
- _subtitle_asset->add (*i);
- }
+ _subtitle_reel->write (subs);
}
void
Writer::write (list<shared_ptr<Font> > fonts)
{
- /* Just keep a list of fonts and we'll deal with them in ::finish */
- copy (fonts.begin (), fonts.end (), back_inserter (_fonts));
+ /* Just keep a list of unique fonts and we'll deal with them in ::finish */
+
+ BOOST_FOREACH (shared_ptr<Font> i, fonts) {
+ bool got = false;
+ BOOST_FOREACH (shared_ptr<Font> j, _fonts) {
+ if (*i == *j) {
+ got = true;
+ }
+ }
+
+ if (!got) {
+ _fonts.push_back (i);
+ }
+ }
}
bool
operator< (QueueItem const & a, QueueItem const & b)
{
+ if (a.reel != b.reel) {
+ return a.reel < b.reel;
+ }
+
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)
{
- _maximum_frames_in_memory = lrint (threads * 1.1);
+ /* 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);
}
-long
-Writer::frame_info_position (int frame, Eyes eyes) const
+void
+Writer::write (ReferencedReelAsset asset)
{
- switch (eyes) {
- case EYES_BOTH:
- return frame * _info_size;
- case EYES_LEFT:
- return frame * _info_size * 2;
- case EYES_RIGHT:
- return frame * _info_size * 2 + _info_size;
- default:
- DCPOMATIC_ASSERT (false);
- }
-
- DCPOMATIC_ASSERT (false);
+ _reel_assets.push_back (asset);
}
-dcp::FrameInfo
-Writer::read_frame_info (FILE* file, int frame, Eyes eyes) const
+size_t
+Writer::video_reel (int frame) const
{
- dcp::FrameInfo info;
- dcpomatic_fseek (file, frame_info_position (frame, eyes), SEEK_SET);
- fread (&info.offset, sizeof (info.offset), 1, file);
- fread (&info.size, sizeof (info.size), 1, file);
-
- char hash_buffer[33];
- fread (hash_buffer, 1, 32, file);
- hash_buffer[32] = '\0';
- info.hash = hash_buffer;
-
- return info;
-}
+ DCPTime t = DCPTime::from_frames (frame, _film->video_frame_rate ());
+ size_t i = 0;
+ while (i < _reels.size() && !_reels[i].period().contains (t)) {
+ ++i;
+ }
-void
-Writer::write (shared_ptr<dcp::ReelAsset> asset)
-{
- _reel_assets.push_back (asset);
+ DCPOMATIC_ASSERT (i < _reels.size ());
+ return i;
}
projects / dcpomatic.git / blobdiff