*/
+#include <fstream>
#include <libdcp/picture_asset.h>
#include <libdcp/sound_asset.h>
+#include <libdcp/picture_frame.h>
#include <libdcp/reel.h>
+#include <libdcp/dcp.h>
+#include <libdcp/cpl.h>
#include "writer.h"
#include "compose.hpp"
#include "film.h"
#include "format.h"
#include "log.h"
#include "dcp_video_frame.h"
+#include "dcp_content_type.h"
+#include "player.h"
+#include "audio_mapping.h"
+#include "config.h"
+
+#include "i18n.h"
using std::make_pair;
using std::pair;
+using std::string;
+using std::ifstream;
+using std::list;
+using std::cout;
using boost::shared_ptr;
-unsigned int const Writer::_maximum_frames_in_memory = 8;
+int const Writer::_maximum_frames_in_memory = 8;
-Writer::Writer (shared_ptr<const Film> f)
+Writer::Writer (shared_ptr<Film> f)
: _film (f)
+ , _first_nonexistant_frame (0)
, _thread (0)
, _finish (false)
+ , _queued_full_in_memory (0)
, _last_written_frame (-1)
+ , _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 ()));
+
+ 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.
+ */
+
_picture_asset.reset (
new libdcp::MonoPictureAsset (
- _film->dir (_film->dcp_name()),
- String::compose ("video_%1.mxf", 0),
- DCPFrameRate (_film->frames_per_second()).frames_per_second,
- _film->format()->dcp_size()
+ _film->internal_video_mxf_dir (),
+ _film->internal_video_mxf_filename (),
+ _film->dcp_frame_rate (),
+ _film->format()->dcp_size ()
)
);
-
- _picture_asset_writer = _picture_asset->start_write ();
+
+ _picture_asset_writer = _picture_asset->start_write (_first_nonexistant_frame > 0);
if (_film->audio_channels() > 0) {
_sound_asset.reset (
new libdcp::SoundAsset (
_film->dir (_film->dcp_name()),
- String::compose ("audio_%1.mxf", 0),
- DCPFrameRate (_film->frames_per_second()).frames_per_second,
- _film->audio_channels(),
- dcp_audio_sample_rate (_film->audio_stream()->sample_rate())
+ _film->dcp_audio_mxf_filename (),
+ _film->dcp_frame_rate (),
+ _film->audio_mapping().dcp_channels (),
+ dcp_audio_sample_rate (_film->audio_frame_rate())
)
);
_sound_asset_writer = _sound_asset->start_write ();
}
-
+
_thread = new boost::thread (boost::bind (&Writer::thread, this));
}
Writer::write (shared_ptr<const EncodedData> encoded, int frame)
{
boost::mutex::scoped_lock lock (_mutex);
- _queue.push_back (make_pair (encoded, frame));
+
+ QueueItem qi;
+ qi.type = QueueItem::FULL;
+ qi.encoded = encoded;
+ qi.frame = frame;
+ _queue.push_back (qi);
+ ++_queued_full_in_memory;
+
+ _condition.notify_all ();
+}
+
+void
+Writer::fake_write (int frame)
+{
+ boost::mutex::scoped_lock lock (_mutex);
+
+ ifstream ifi (_film->info_path (frame).c_str());
+ libdcp::FrameInfo info (ifi);
+
+ QueueItem qi;
+ qi.type = QueueItem::FAKE;
+ qi.size = info.size;
+ qi.frame = frame;
+ _queue.push_back (qi);
+
_condition.notify_all ();
}
_sound_asset_writer->write (audio->data(), audio->frames());
}
-struct QueueSorter
-{
- bool operator() (pair<shared_ptr<const EncodedData>, int> const & a, pair<shared_ptr<const EncodedData>, int> const & b) {
- return a.second < b.second;
- }
-};
-
void
Writer::thread ()
+try
{
while (1)
{
boost::mutex::scoped_lock lock (_mutex);
while (1) {
+
+ _queue.sort ();
+
if (_finish ||
- _queue.size() > _maximum_frames_in_memory ||
- (!_queue.empty() && _queue.front().second == (_last_written_frame + 1))) {
-
- break;
- }
-
- TIMING ("writer sleeps with a queue of %1; %2 pending", _queue.size(), _pending.size());
- _condition.wait (lock);
- TIMING ("writer wakes with a queue of %1", _queue.size());
-
- _queue.sort (QueueSorter ());
+ _queued_full_in_memory > _maximum_frames_in_memory ||
+ (!_queue.empty() && _queue.front().frame == (_last_written_frame + 1))) {
+
+ break;
+ }
+
+ TIMING (N_("writer sleeps with a queue of %1"), _queue.size());
+ _condition.wait (lock);
+ TIMING (N_("writer wakes with a queue of %1"), _queue.size());
}
- if (_finish && _queue.empty() && _pending.empty()) {
+ if (_finish && _queue.empty()) {
return;
}
/* Write any frames that we can write; i.e. those that are in sequence */
- while (!_queue.empty() && _queue.front().second == (_last_written_frame + 1)) {
- pair<boost::shared_ptr<const EncodedData>, int> encoded = _queue.front ();
+ while (!_queue.empty() && _queue.front().frame == (_last_written_frame + 1)) {
+ QueueItem qi = _queue.front ();
_queue.pop_front ();
+ if (qi.type == QueueItem::FULL && qi.encoded) {
+ --_queued_full_in_memory;
+ }
lock.unlock ();
- _film->log()->log (String::compose ("Writer writes %1 to MXF", encoded.second));
- if (encoded.first) {
- _picture_asset_writer->write (encoded.first->data(), encoded.first->size());
- encoded.first->write_hash (_film, encoded.second);
- _last_written = encoded.first;
- } else {
- _picture_asset_writer->write (_last_written->data(), _last_written->size());
- _last_written->write_hash (_film, encoded.second);
+ switch (qi.type) {
+ case QueueItem::FULL:
+ {
+ _film->log()->log (String::compose (N_("Writer FULL-writes %1 to MXF"), qi.frame));
+ if (!qi.encoded) {
+ qi.encoded.reset (new EncodedData (_film->j2c_path (qi.frame, false)));
+ }
+ libdcp::FrameInfo const fin = _picture_asset_writer->write (qi.encoded->data(), qi.encoded->size());
+ qi.encoded->write_info (_film, qi.frame, fin);
+ _last_written = qi.encoded;
+ ++_full_written;
+ break;
+ }
+ case QueueItem::FAKE:
+ _film->log()->log (String::compose (N_("Writer FAKE-writes %1 to MXF"), qi.frame));
+ _picture_asset_writer->fake_write (qi.size);
+ _last_written.reset ();
+ ++_fake_written;
+ break;
+ case QueueItem::REPEAT:
+ {
+ _film->log()->log (String::compose (N_("Writer REPEAT-writes %1 to MXF"), qi.frame));
+ libdcp::FrameInfo const fin = _picture_asset_writer->write (_last_written->data(), _last_written->size());
+ _last_written->write_info (_film, qi.frame, fin);
+ ++_repeat_written;
+ break;
+ }
}
lock.lock ();
++_last_written_frame;
}
- while (_queue.size() > _maximum_frames_in_memory) {
+ while (_queued_full_in_memory > _maximum_frames_in_memory) {
/* Too many frames in memory which can't yet be written to the stream.
- Put some to disk.
+ Write some FULL frames to disk.
*/
- pair<boost::shared_ptr<const EncodedData>, int> encoded = _queue.back ();
- _queue.pop_back ();
- if (!encoded.first) {
- /* This is a `repeat-last' frame, so no need to write it to disk */
- continue;
+ /* Find one */
+ list<QueueItem>::reverse_iterator i = _queue.rbegin ();
+ while (i != _queue.rend() && (i->type != QueueItem::FULL || !i->encoded)) {
+ ++i;
}
- lock.unlock ();
- _film->log()->log (String::compose ("Writer full (awaiting %1); pushes %2 to disk", _last_written_frame + 1, encoded.second));
- encoded.first->write (_film, encoded.second);
- lock.lock ();
-
- _pending.push_back (encoded.second);
- }
-
- while (_queue.size() < _maximum_frames_in_memory && !_pending.empty()) {
- /* We have some space in memory. Fetch some frames back off disk. */
-
- _pending.sort ();
- int const fetch = _pending.front ();
+ assert (i != _queue.rend());
+ QueueItem qi = *i;
+ ++_pushed_to_disk;
+
lock.unlock ();
- _film->log()->log (String::compose ("Writer pulls %1 back from disk", fetch));
- shared_ptr<const EncodedData> encoded;
- if (boost::filesystem::exists (_film->frame_out_path (fetch, false))) {
- /* It's an actual frame (not a repeat-last); load it in */
- encoded.reset (new EncodedData (_film->frame_out_path (fetch, false)));
- }
+ _film->log()->log (String::compose (N_("Writer full (awaiting %1); pushes %2 to disk"), _last_written_frame + 1, qi.frame));
+ qi.encoded->write (_film, qi.frame);
lock.lock ();
-
- _queue.push_back (make_pair (encoded, fetch));
- _pending.remove (fetch);
+ qi.encoded.reset ();
+ --_queued_full_in_memory;
}
}
-
+}
+catch (...)
+{
+ store_current ();
}
void
lock.unlock ();
_thread->join ();
+ if (thrown ()) {
+ rethrow ();
+ }
+
delete _thread;
_thread = 0;
_picture_asset_writer->finalize ();
- _sound_asset_writer->finalize ();
+
+ if (_sound_asset_writer) {
+ _sound_asset_writer->finalize ();
+ }
int const frames = _last_written_frame + 1;
- int const duration = frames - _film->trim_start() - _film->trim_end();
-
- _film->set_intrinsic_duration (frames);
+ int duration = 0;
+ if (_film->trim_type() == Film::CPL) {
+ duration = frames - _film->trim_start() - _film->trim_end();
+ _picture_asset->set_entry_point (_film->trim_start ());
+ } else {
+ duration = frames;
+ }
- _picture_asset->set_entry_point (_film->trim_start ());
_picture_asset->set_duration (duration);
- _sound_asset->set_entry_point (_film->trim_start ());
- _sound_asset->set_duration (duration);
+
+ /* Hard-link the video MXF into the DCP */
+
+ boost::filesystem::path from;
+ from /= _film->internal_video_mxf_dir();
+ from /= _film->internal_video_mxf_filename();
+
+ boost::filesystem::path to;
+ to /= _film->dir (_film->dcp_name());
+ to /= _film->dcp_video_mxf_filename ();
+
+ boost::system::error_code ec;
+ boost::filesystem::create_hard_link (from, to, ec);
+ if (ec) {
+ /* hard link failed; copy instead */
+ boost::filesystem::copy_file (from, to);
+ _film->log()->log ("Hard-link failed; fell back to copying");
+ }
+
+ /* And update the asset */
+
+ _picture_asset->set_directory (_film->dir (_film->dcp_name ()));
+ _picture_asset->set_file_name (_film->dcp_video_mxf_filename ());
+
+ if (_sound_asset) {
+ if (_film->trim_type() == Film::CPL) {
+ _sound_asset->set_entry_point (_film->trim_start ());
+ }
+ _sound_asset->set_duration (duration);
+ }
libdcp::DCP dcp (_film->dir (_film->dcp_name()));
- DCPFrameRate dfr (_film->frames_per_second ());
shared_ptr<libdcp::CPL> cpl (
- new libdcp::CPL (_film->dir (_film->dcp_name()), _film->dcp_name(), _film->dcp_content_type()->libdcp_kind (), frames, dfr.frames_per_second)
+ new libdcp::CPL (
+ _film->dir (_film->dcp_name()),
+ _film->dcp_name(),
+ _film->dcp_content_type()->libdcp_kind (),
+ frames,
+ _film->dcp_frame_rate ()
+ )
);
dcp.add_cpl (cpl);
)
));
- dcp.write_xml ();
+ libdcp::XMLMetadata meta = Config::instance()->dcp_metadata ();
+ meta.set_issue_date_now ();
+ dcp.write_xml (meta);
+
+ _film->log()->log (String::compose (N_("Wrote %1 FULL, %2 FAKE, %3 REPEAT; %4 pushed to disk"), _full_written, _fake_written, _repeat_written, _pushed_to_disk));
}
/** Tell the writer that frame `f' should be a repeat of the frame before it */
Writer::repeat (int f)
{
boost::mutex::scoped_lock lock (_mutex);
- _queue.push_back (make_pair (shared_ptr<const EncodedData> (), f));
+
+ QueueItem qi;
+ qi.type = QueueItem::REPEAT;
+ qi.frame = f;
+
+ _queue.push_back (qi);
+
+ _condition.notify_all ();
+}
+
+
+void
+Writer::check_existing_picture_mxf ()
+{
+ /* 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 (p.string().c_str(), N_("rb"));
+ if (!mxf) {
+ return;
+ }
+
+ while (1) {
+
+ /* Read the frame info as written */
+ ifstream ifi (_film->info_path (_first_nonexistant_frame).c_str());
+ libdcp::FrameInfo info (ifi);
+
+ /* Read the data from the MXF and hash it */
+ fseek (mxf, info.offset, SEEK_SET);
+ EncodedData data (info.size);
+ fread (data.data(), 1, data.size(), mxf);
+ string const existing_hash = md5_digest (data.data(), data.size());
+
+ if (existing_hash != info.hash) {
+ _film->log()->log (String::compose (N_("Existing frame %1 failed hash check"), _first_nonexistant_frame));
+ break;
+ }
+
+ _film->log()->log (String::compose (N_("Have existing frame %1"), _first_nonexistant_frame));
+ ++_first_nonexistant_frame;
+ }
+
+ 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);
+}
+
+bool
+operator< (QueueItem const & a, QueueItem const & b)
+{
+ return a.frame < b.frame;
+}
+
+bool
+operator== (QueueItem const & a, QueueItem const & b)
+{
+ return a.frame == b.frame;
}
projects / dcpomatic.git / blobdiff