Merge 1.0
[dcpomatic.git] / src / lib / writer.cc
index 7258826ba1774f5a9fd3e32656bb32a2a761edd3..414ea72ebb47425e55e9d4719e9819c453985b16 100644 (file)
 */
 
 #include <fstream>
-#include <libdcp/picture_asset.h>
+#include <cerrno>
+#include <libdcp/mono_picture_asset.h>
+#include <libdcp/stereo_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 "ratio.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 "job.h"
+#include "cross.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;
+using boost::weak_ptr;
 
 int const Writer::_maximum_frames_in_memory = 8;
 
-Writer::Writer (shared_ptr<Film> f)
+Writer::Writer (shared_ptr<const Film> f, weak_ptr<Job> j)
        : _film (f)
+       , _job (j)
        , _first_nonexistant_frame (0)
        , _thread (0)
        , _finish (false)
        , _queued_full_in_memory (0)
        , _last_written_frame (-1)
+       , _last_written_eyes (EYES_RIGHT)
        , _full_written (0)
        , _fake_written (0)
        , _repeat_written (0)
@@ -59,44 +66,51 @@ Writer::Writer (shared_ptr<Film> f)
 {
        /* 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.
        */
-       
-       _picture_asset.reset (
-               new libdcp::MonoPictureAsset (
-                       _film->video_mxf_dir (),
-                       _film->video_mxf_filename (),
-                       _film->dcp_frame_rate (),
-                       _film->format()->dcp_size ()
-                       )
-               );
 
+       if (_film->three_d ()) {
+               _picture_asset.reset (new libdcp::StereoPictureAsset (_film->internal_video_mxf_dir (), _film->internal_video_mxf_filename ()));
+       } else {
+               _picture_asset.reset (new libdcp::MonoPictureAsset (_film->internal_video_mxf_dir (), _film->internal_video_mxf_filename ()));
+       }
+
+       _picture_asset->set_edit_rate (_film->video_frame_rate ());
+       _picture_asset->set_size (fit_ratio_within (_film->container()->ratio(), _film->full_frame ()));
+
+       if (_film->encrypted ()) {
+               _picture_asset->set_key (_film->key ());
+       }
+       
        _picture_asset_writer = _picture_asset->start_write (_first_nonexistant_frame > 0);
+       
+       _sound_asset.reset (new libdcp::SoundAsset (_film->dir (_film->dcp_name()), _film->audio_mxf_filename ()));
+       _sound_asset->set_edit_rate (_film->video_frame_rate ());
+       _sound_asset->set_channels (_film->audio_channels ());
+       _sound_asset->set_sampling_rate (_film->audio_frame_rate ());
 
-       if (_film->audio_channels() > 0) {
-               _sound_asset.reset (
-                       new libdcp::SoundAsset (
-                               _film->dir (_film->dcp_name()),
-                               N_("audio.mxf"),
-                               _film->dcp_frame_rate (),
-                               _film->audio_mapping().dcp_channels (),
-                               dcp_audio_sample_rate (_film->audio_frame_rate())
-                               )
-                       );
-
-               _sound_asset_writer = _sound_asset->start_write ();
+       if (_film->encrypted ()) {
+               _sound_asset->set_key (_film->key ());
        }
+       
+       _sound_asset_writer = _sound_asset->start_write ();
 
        _thread = new boost::thread (boost::bind (&Writer::thread, this));
+
+       job->sub (_("Encoding image data"));
 }
 
 void
-Writer::write (shared_ptr<const EncodedData> encoded, int frame)
+Writer::write (shared_ptr<const EncodedData> encoded, int frame, Eyes eyes)
 {
        boost::mutex::scoped_lock lock (_mutex);
 
@@ -104,25 +118,46 @@ Writer::write (shared_ptr<const EncodedData> encoded, int frame)
        qi.type = QueueItem::FULL;
        qi.encoded = encoded;
        qi.frame = frame;
-       _queue.push_back (qi);
-       ++_queued_full_in_memory;
 
+       if (_film->three_d() && eyes == EYES_BOTH) {
+               /* 2D material in a 3D DCP; fake the 3D */
+               qi.eyes = EYES_LEFT;
+               _queue.push_back (qi);
+               ++_queued_full_in_memory;
+               qi.eyes = EYES_RIGHT;
+               _queue.push_back (qi);
+               ++_queued_full_in_memory;
+       } else {
+               qi.eyes = eyes;
+               _queue.push_back (qi);
+               ++_queued_full_in_memory;
+       }
+       
        _condition.notify_all ();
 }
 
 void
-Writer::fake_write (int frame)
+Writer::fake_write (int frame, Eyes eyes)
 {
        boost::mutex::scoped_lock lock (_mutex);
 
-       ifstream ifi (_film->info_path (frame).c_str());
+       FILE* ifi = fopen_boost (_film->info_path (frame, eyes), "r");
        libdcp::FrameInfo info (ifi);
+       fclose (ifi);
        
        QueueItem qi;
        qi.type = QueueItem::FAKE;
        qi.size = info.size;
        qi.frame = frame;
-       _queue.push_back (qi);
+       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);
+       }
 
        _condition.notify_all ();
 }
@@ -134,6 +169,36 @@ Writer::write (shared_ptr<const AudioBuffers> audio)
        _sound_asset_writer->write (audio->data(), audio->frames());
 }
 
+/** This must be called from Writer::thread() with an appropriate lock held,
+ *  and with _queue sorted.
+ */
+bool
+Writer::have_sequenced_image_at_queue_head () const
+{
+       if (_queue.empty ()) {
+               return false;
+       }
+
+       /* The queue should contain only EYES_LEFT/EYES_RIGHT pairs or EYES_BOTH */
+
+       if (_queue.front().eyes == EYES_BOTH) {
+               /* 2D */
+               return _queue.front().frame == (_last_written_frame + 1);
+       }
+
+       /* 3D */
+
+       if (_last_written_eyes == EYES_LEFT && _queue.front().frame == _last_written_frame && _queue.front().eyes == EYES_RIGHT) {
+               return true;
+       }
+
+       if (_last_written_eyes == EYES_RIGHT && _queue.front().frame == (_last_written_frame + 1) && _queue.front().eyes == EYES_LEFT) {
+               return true;
+       }
+
+       return false;
+}
+
 void
 Writer::thread ()
 try
@@ -146,13 +211,10 @@ try
                        
                        _queue.sort ();
                        
-                       if (_finish ||
-                           _queued_full_in_memory > _maximum_frames_in_memory ||
-                           (!_queue.empty() && _queue.front().frame == (_last_written_frame + 1))) {
-                               
+                       if (_finish || _queued_full_in_memory > _maximum_frames_in_memory || have_sequenced_image_at_queue_head ()) {
                                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());
@@ -163,7 +225,7 @@ try
                }
 
                /* Write any frames that we can write; i.e. those that are in sequence */
-               while (!_queue.empty() && _queue.front().frame == (_last_written_frame + 1)) {
+               while (have_sequenced_image_at_queue_head ()) {
                        QueueItem qi = _queue.front ();
                        _queue.pop_front ();
                        if (qi.type == QueueItem::FULL && qi.encoded) {
@@ -176,32 +238,51 @@ try
                        {
                                _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)));
+                                       qi.encoded.reset (new EncodedData (_film->j2c_path (qi.frame, qi.eyes, 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;
+
+                               libdcp::FrameInfo fin = _picture_asset_writer->write (qi.encoded->data(), qi.encoded->size());
+                               qi.encoded->write_info (_film, qi.frame, qi.eyes, fin);
+                               _last_written[qi.eyes] = 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 ();
+                               _last_written[qi.eyes].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);
+                               libdcp::FrameInfo fin = _picture_asset_writer->write (
+                                       _last_written[qi.eyes]->data(),
+                                       _last_written[qi.eyes]->size()
+                                       );
+                               
+                               _last_written[qi.eyes]->write_info (_film, qi.frame, qi.eyes, fin);
                                ++_repeat_written;
                                break;
                        }
                        }
                        lock.lock ();
 
-                       ++_last_written_frame;
+                       _last_written_frame = qi.frame;
+                       _last_written_eyes = qi.eyes;
+                       
+                       if (_film->length()) {
+                               shared_ptr<Job> job = _job.lock ();
+                               assert (job);
+                               int total = _film->time_to_video_frames (_film->length ());
+                               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;
+                               }
+                               job->set_progress (float (_full_written + _fake_written + _repeat_written) / total);
+                       }
                }
 
                while (_queued_full_in_memory > _maximum_frames_in_memory) {
@@ -221,8 +302,15 @@ try
                        ++_pushed_to_disk;
                        
                        lock.unlock ();
-                       _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);
+
+                       _film->log()->log (
+                               String::compose (
+                                       "Writer full (awaiting %1 [last eye was %2]); pushes %3 to disk",
+                                       _last_written_frame + 1,
+                                       _last_written_eyes, qi.frame)
+                               );
+                       
+                       qi.encoded->write (_film, qi.frame, qi.eyes);
                        lock.lock ();
                        qi.encoded.reset ();
                        --_queued_full_in_memory;
@@ -247,34 +335,27 @@ Writer::finish ()
        lock.unlock ();
 
        _thread->join ();
-       if (thrown ()) {
-               rethrow ();
-       }
+       rethrow ();
        
        delete _thread;
        _thread = 0;
 
        _picture_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();
+       _sound_asset_writer->finalize ();
        
-       _picture_asset->set_entry_point (_film->trim_start ());
-       _picture_asset->set_duration (duration);
+       int const frames = _last_written_frame + 1;
+
+       _picture_asset->set_duration (frames);
 
        /* Hard-link the video MXF into the DCP */
 
        boost::filesystem::path from;
-       from /= _film->video_mxf_dir();
-       from /= _film->video_mxf_filename();
+       from /= _film->internal_video_mxf_dir();
+       from /= _film->internal_video_mxf_filename();
        
        boost::filesystem::path to;
        to /= _film->dir (_film->dcp_name());
-       to /= N_("video.mxf");
+       to /= _film->video_mxf_filename ();
 
        boost::system::error_code ec;
        boost::filesystem::create_hard_link (from, to, ec);
@@ -287,12 +368,8 @@ Writer::finish ()
        /* And update the asset */
 
        _picture_asset->set_directory (_film->dir (_film->dcp_name ()));
-       _picture_asset->set_file_name (N_("video.mxf"));
-
-       if (_sound_asset) {
-               _sound_asset->set_entry_point (_film->trim_start ());
-               _sound_asset->set_duration (duration);
-       }
+       _picture_asset->set_file_name (_film->video_mxf_filename ());
+       _sound_asset->set_duration (frames);
        
        libdcp::DCP dcp (_film->dir (_film->dcp_name()));
 
@@ -302,7 +379,7 @@ Writer::finish ()
                        _film->dcp_name(),
                        _film->dcp_content_type()->libdcp_kind (),
                        frames,
-                       _film->dcp_frame_rate ()
+                       _film->video_frame_rate ()
                        )
                );
        
@@ -315,57 +392,122 @@ Writer::finish ()
                                                         )
                               ));
 
-       dcp.write_xml ();
+       shared_ptr<Job> job = _job.lock ();
+       assert (job);
+
+       job->sub (_("Computing image digest"));
+       _picture_asset->compute_digest (boost::bind (&Job::set_progress, job.get(), _1, false));
+
+       job->sub (_("Computing audio digest"));
+       _sound_asset->compute_digest (boost::bind (&Job::set_progress, job.get(), _1, false));
+
+       libdcp::XMLMetadata meta = Config::instance()->dcp_metadata ();
+       meta.set_issue_date_now ();
+       dcp.write_xml (_film->interop (), meta, _film->is_signed() ? make_signer () : shared_ptr<const libdcp::Signer> ());
 
        _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 */
 void
-Writer::repeat (int f)
+Writer::repeat (int f, Eyes e)
 {
        boost::mutex::scoped_lock lock (_mutex);
 
        QueueItem qi;
        qi.type = QueueItem::REPEAT;
        qi.frame = f;
-       
-       _queue.push_back (qi);
+       if (_film->three_d() && e == EYES_BOTH) {
+               qi.eyes = EYES_LEFT;
+               _queue.push_back (qi);
+               qi.eyes = EYES_RIGHT;
+               _queue.push_back (qi);
+       } else {
+               qi.eyes = e;
+               _queue.push_back (qi);
+       }
 
        _condition.notify_all ();
 }
 
+bool
+Writer::check_existing_picture_mxf_frame (FILE* mxf, int f, Eyes eyes)
+{
+       /* Read the frame info as written */
+       FILE* ifi = fopen_boost (_film->info_path (f, eyes), "r");
+       if (!ifi) {
+               _film->log()->log (String::compose ("Existing frame %1 has no info file", f));
+               return false;
+       }
+       
+       libdcp::FrameInfo info (ifi);
+       fclose (ifi);
+       if (info.size == 0) {
+               _film->log()->log (String::compose ("Existing frame %1 has no info file", f));
+               return false;
+       }
+       
+       /* Read the data from the MXF and hash it */
+#ifdef DCPOMATIC_WINDOWS
+       _fseeki64 (mxf, info.offset, SEEK_SET);
+#else  
+       fseek (mxf, info.offset, SEEK_SET);
+#endif 
+       EncodedData data (info.size);
+       size_t const read = fread (data.data(), 1, data.size(), mxf);
+       if (read != static_cast<size_t> (data.size ())) {
+               _film->log()->log (String::compose ("Existing frame %1 is incomplete", f));
+               return false;
+       }
+       
+       string const existing_hash = md5_digest (data.data(), data.size());
+       if (existing_hash != info.hash) {
+               _film->log()->log (String::compose ("Existing frame %1 failed hash check", f));
+               return false;
+       }
+
+       return true;
+}
 
 void
 Writer::check_existing_picture_mxf ()
 {
        /* Try to open the existing MXF */
        boost::filesystem::path p;
-       p /= _film->video_mxf_dir ();
-       p /= _film->video_mxf_filename ();
-       FILE* mxf = fopen (p.string().c_str(), N_("rb"));
+       p /= _film->internal_video_mxf_dir ();
+       p /= _film->internal_video_mxf_filename ();
+       FILE* mxf = fopen_boost (p, "rb");
        if (!mxf) {
+               _film->log()->log (String::compose ("Could not open existing MXF at %1 (errno=%2)", p.string(), errno));
                return;
        }
 
+       int N = 0;
+       for (boost::filesystem::directory_iterator i (_film->info_dir ()); i != boost::filesystem::directory_iterator (); ++i) {
+               ++N;
+       }
+
        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;
+               shared_ptr<Job> job = _job.lock ();
+               assert (job);
+
+               job->set_progress (float (_first_nonexistant_frame) / N);
+
+               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;
+                       }
                }
 
-               _film->log()->log (String::compose (N_("Have existing frame %1"), _first_nonexistant_frame));
+               _film->log()->log (String::compose ("Have existing frame %1", _first_nonexistant_frame));
                ++_first_nonexistant_frame;
        }
 
@@ -387,11 +529,15 @@ Writer::can_fake_write (int frame) const
 bool
 operator< (QueueItem const & a, QueueItem const & b)
 {
-       return a.frame < b.frame;
+       if (a.frame != b.frame) {
+               return a.frame < b.frame;
+       }
+
+       return static_cast<int> (a.eyes) < static_cast<int> (b.eyes);
 }
 
 bool
 operator== (QueueItem const & a, QueueItem const & b)
 {
-       return a.frame == b.frame;
+       return a.frame == b.frame && a.eyes == b.eyes;
 }