)
: _film (film)
, _period (period)
- , _last_written_video_frame (-1)
- , _last_written_eyes (EYES_RIGHT)
, _reel_index (reel_index)
, _reel_count (reel_count)
, _content_summary (content_summary)
, _job (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.
+ /* Create or find 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.
*/
dcp::Standard const standard = _film->interop() ? dcp::INTEROP : dcp::SMPTE;
- if (_film->three_d ()) {
- _picture_asset.reset (new dcp::StereoPictureAsset (dcp::Fraction (_film->video_frame_rate(), 1), standard));
- } else {
- _picture_asset.reset (new dcp::MonoPictureAsset (dcp::Fraction (_film->video_frame_rate(), 1), standard));
- }
+ boost::filesystem::path const asset =
+ _film->internal_video_asset_dir() / _film->internal_video_asset_filename(_period);
- _picture_asset->set_size (_film->frame_size ());
+ _first_nonexistant_frame = check_existing_picture_asset (asset);
- if (_film->encrypted ()) {
- _picture_asset->set_key (_film->key ());
- _picture_asset->set_context_id (_film->context_id ());
- }
+ if (_first_nonexistant_frame < period.duration().frames_round(_film->video_frame_rate())) {
+ /* We do not have a complete picture asset. If there is an
+ existing asset, break any hard links to it as we are about
+ to change its contents (if only by changing the IDs); see
+ #1126.
+ */
+ if (boost::filesystem::exists(asset) && boost::filesystem::hard_link_count(asset) > 1) {
+ if (job) {
+ job->sub (_("Copying old video file"));
+ copy_in_bits (asset, asset.string() + ".tmp", bind(&Job::set_progress, job.get(), _1, false));
+ } else {
+ boost::filesystem::copy_file (asset, asset.string() + ".tmp");
+ }
+ boost::filesystem::remove (asset);
+ boost::filesystem::rename (asset.string() + ".tmp", asset);
+ }
- _picture_asset->set_file (
- _film->internal_video_asset_dir() / _film->internal_video_asset_filename(_period)
- );
- _first_nonexistant_frame = check_existing_picture_asset ();
+ if (_film->three_d ()) {
+ _picture_asset.reset (new dcp::StereoPictureAsset(dcp::Fraction(_film->video_frame_rate(), 1), standard));
+ } else {
+ _picture_asset.reset (new dcp::MonoPictureAsset(dcp::Fraction(_film->video_frame_rate(), 1), standard));
+ }
- _picture_asset_writer = _picture_asset->start_write (
- _film->internal_video_asset_dir() / _film->internal_video_asset_filename(_period),
- _first_nonexistant_frame > 0
- );
+ _picture_asset->set_size (_film->frame_size());
+
+ if (_film->encrypted ()) {
+ _picture_asset->set_key (_film->key());
+ _picture_asset->set_context_id (_film->context_id());
+ }
+
+ _picture_asset->set_file (asset);
+ _picture_asset_writer = _picture_asset->start_write (asset, _first_nonexistant_frame > 0);
+ } else {
+ /* We already have a complete picture asset that we can just re-use */
+ /* XXX: what about if the encryption key changes? */
+ if (_film->three_d ()) {
+ _picture_asset.reset (new dcp::StereoPictureAsset(asset));
+ } else {
+ _picture_asset.reset (new dcp::MonoPictureAsset(asset));
+ }
+ }
if (_film->audio_channels ()) {
_sound_asset.reset (
}
Frame
-ReelWriter::check_existing_picture_asset ()
+ReelWriter::check_existing_picture_asset (boost::filesystem::path asset)
{
- DCPOMATIC_ASSERT (_picture_asset->file());
- boost::filesystem::path asset = _picture_asset->file().get();
-
shared_ptr<Job> job = _job.lock ();
- /* If there is an existing asset, break any hard links to it as we are about to change its contents
- (if only by changing the IDs); see #1126.
- */
-
- if (boost::filesystem::exists(asset) && boost::filesystem::hard_link_count(asset) > 1) {
- if (job) {
- job->sub (_("Copying old video file"));
- copy_in_bits (asset, asset.string() + ".tmp", bind(&Job::set_progress, job.get(), _1, false));
- } else {
- boost::filesystem::copy_file (asset, asset.string() + ".tmp");
- }
- boost::filesystem::remove (asset);
- boost::filesystem::rename (asset.string() + ".tmp", asset);
- }
-
if (job) {
job->sub (_("Checking existing image data"));
}
void
ReelWriter::write (optional<Data> encoded, Frame frame, Eyes eyes)
{
+ if (!_picture_asset_writer) {
+ /* We're not writing any data */
+ return;
+ }
+
dcp::FrameInfo fin = _picture_asset_writer->write (encoded->data().get (), encoded->size());
write_frame_info (frame, eyes, fin);
_last_written[eyes] = encoded;
- _last_written_video_frame = frame;
- _last_written_eyes = eyes;
}
void
-ReelWriter::fake_write (Frame frame, Eyes eyes, int size)
+ReelWriter::fake_write (int size)
{
+ if (!_picture_asset_writer) {
+ /* We're not writing any data */
+ return;
+ }
+
_picture_asset_writer->fake_write (size);
- _last_written_video_frame = frame;
- _last_written_eyes = eyes;
}
void
ReelWriter::repeat_write (Frame frame, Eyes eyes)
{
+ if (!_picture_asset_writer) {
+ /* We're not writing any data */
+ return;
+ }
+
dcp::FrameInfo fin = _picture_asset_writer->write (
_last_written[eyes]->data().get(),
_last_written[eyes]->size()
);
write_frame_info (frame, eyes, fin);
- _last_written_video_frame = frame;
- _last_written_eyes = eyes;
}
void
ReelWriter::finish ()
{
- if (!_picture_asset_writer->finalize ()) {
+ if (_picture_asset_writer && !_picture_asset_writer->finalize ()) {
/* Nothing was written to the picture asset */
LOG_GENERAL ("Nothing was written to reel %1 of %2", _reel_index, _reel_count);
_picture_asset.reset ();
boost::filesystem::path video_to;
video_to /= _film->dir (_film->dcp_name());
video_to /= video_asset_filename (_picture_asset, _reel_index, _reel_count, _content_summary);
-
+ /* There may be an existing "to" file if we are recreating a DCP in the same place without
+ changing any video.
+ */
boost::system::error_code ec;
+ boost::filesystem::remove (video_to, ec);
+
boost::filesystem::create_hard_link (video_from, video_to, ec);
if (ec) {
LOG_WARNING_NC ("Hard-link failed; copying instead");
} else {
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 ());
+ 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);
}
}
shared_ptr<dcp::Reel>
ReelWriter::create_reel (list<ReferencedReelAsset> const & refs, list<shared_ptr<Font> > const & fonts)
{
+ LOG_GENERAL ("create_reel for %1-%2; %3 of %4", _period.from.get(), _period.to.get(), _reel_index, _reel_count);
+
shared_ptr<dcp::Reel> reel (new dcp::Reel ());
shared_ptr<dcp::ReelPictureAsset> reel_picture_asset;
}
}
- LOG_GENERAL ("create_reel for %1-%2; %3 of %4", _period.from.get(), _period.to.get(), _reel_index, _reel_count);
-
Frame const period_duration = _period.duration().frames_round(_film->video_frame_rate());
DCPOMATIC_ASSERT (reel_picture_asset);
/* We have made a sound asset of our own. Put it into the reel */
reel_sound_asset.reset (new dcp::ReelSoundAsset (_sound_asset, 0));
} else {
+ LOG_GENERAL ("no sound asset of our own; look through %1", refs.size());
/* We don't have a sound asset of our own; hopefully we have one to reference */
BOOST_FOREACH (ReferencedReelAsset j, refs) {
shared_ptr<dcp::ReelSoundAsset> k = dynamic_pointer_cast<dcp::ReelSoundAsset> (j.asset);
+ if (k) {
+ LOG_GENERAL ("candidate sound asset period is %1-%2", j.period.from.get(), j.period.to.get());
+ }
if (k && j.period == _period) {
reel_sound_asset = k;
/* If we have a hash for this asset in the CPL, assume that it is correct */