Fix merge.
[dcpomatic.git] / src / lib / writer.cc
index c2cc00328a65b43f28acbf96d0b268c6076f8744..5e8fb5b7a020bdf4be553d8bb65a005e80b5ac8f 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 "i18n.h"
 
 using std::make_pair;
 using std::pair;
@@ -39,13 +49,15 @@ using boost::shared_ptr;
 
 int const Writer::_maximum_frames_in_memory = 8;
 
-Writer::Writer (shared_ptr<Film> f)
+Writer::Writer (shared_ptr<const Film> f, shared_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)
@@ -60,37 +72,40 @@ Writer::Writer (shared_ptr<Film> f)
           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 (),
-                       DCPFrameRate (_film->frames_per_second()).frames_per_second,
-                       _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 (_film->container()->size (_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 (dcp_audio_channels (_film->audio_channels()) > 0) {
-               _sound_asset.reset (
-                       new libdcp::SoundAsset (
-                               _film->dir (_film->dcp_name()),
-                               "audio.mxf",
-                               DCPFrameRate (_film->frames_per_second()).frames_per_second,
-                               dcp_audio_channels (_film->audio_channels()),
-                               dcp_audio_sample_rate (_film->audio_stream()->sample_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->descend (0.9);
 }
 
 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);
 
@@ -98,25 +113,45 @@ 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());
+       ifstream ifi (_film->info_path (frame, eyes).c_str());
        libdcp::FrameInfo info (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 ();
 }
@@ -128,6 +163,36 @@ 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
@@ -140,16 +205,13 @@ 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 ("writer sleeps with a queue of %1", _queue.size());
+
+                       TIMING (N_("writer sleeps with a queue of %1"), _queue.size());
                        _condition.wait (lock);
-                       TIMING ("writer wakes with a queue of %1", _queue.size());
+                       TIMING (N_("writer wakes with a queue of %1"), _queue.size());
                }
 
                if (_finish && _queue.empty()) {
@@ -157,7 +219,7 @@ 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) {
@@ -168,34 +230,46 @@ try
                        switch (qi.type) {
                        case QueueItem::FULL:
                        {
-                               _film->log()->log (String::compose ("Writer FULL-writes %1 to MXF", qi.frame));
+                               _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 ("Writer FAKE-writes %1 to MXF", qi.frame));
+                               _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 ("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);
+                               _film->log()->log (String::compose (N_("Writer REPEAT-writes %1 to MXF"), qi.frame));
+                               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()) {
+                               _job->set_progress (
+                                       float (_full_written + _fake_written + _repeat_written) / _film->time_to_video_frames (_film->length())
+                                       );
+                       }
                }
 
                while (_queued_full_in_memory > _maximum_frames_in_memory) {
@@ -215,8 +289,15 @@ try
                        ++_pushed_to_disk;
                        
                        lock.unlock ();
-                       _film->log()->log (String::compose ("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;
@@ -249,46 +330,46 @@ Writer::finish ()
        _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();
-       
-       _film->set_dcp_intrinsic_duration (frames);
+       _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 /= "video.mxf";
-       
-       boost::filesystem::create_hard_link (from, to);
+       to /= _film->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 ("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()));
-       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->video_frame_rate ()
+                       )
                );
        
        dcp.add_cpl (cpl);
@@ -300,54 +381,102 @@ Writer::finish ()
                                                         )
                               ));
 
-       dcp.write_xml ();
+       /* Compute the digests for the assets now so that we can keep track of progress.
+          We did _job->descend (0.9) in our constructor */
+       _job->ascend ();
+
+       _job->descend (0.1);
+       _picture_asset->compute_digest (boost::bind (&Job::set_progress, _job.get(), _1));
+       _job->ascend ();
 
-       _film->log()->log (String::compose ("Wrote %1 FULL, %2 FAKE, %3 REPEAT; %4 pushed to disk", _full_written, _fake_written, _repeat_written, _pushed_to_disk));
+       _job->descend (0.1);
+       _sound_asset->compute_digest (boost::bind (&Job::set_progress, _job.get(), _1));
+       _job->ascend ();
+
+       libdcp::XMLMetadata meta = Config::instance()->dcp_metadata ();
+       meta.set_issue_date_now ();
+       dcp.write_xml (_film->interop (), meta, make_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 */
+       ifstream ifi (_film->info_path (f, eyes).c_str());
+       libdcp::FrameInfo info (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 */
+       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 ())) {
+               _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 ();
+       p /= _film->internal_video_mxf_dir ();
+       p /= _film->internal_video_mxf_filename ();
        FILE* mxf = fopen (p.string().c_str(), "rb");
        if (!mxf) {
+               _film->log()->log (String::compose ("Could not open existing MXF at %1 (errno=%2)", p.string(), errno));
                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 ("Existing frame %1 failed hash check", _first_nonexistant_frame));
-                       break;
+               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 ("Have existing frame %1", _first_nonexistant_frame));
@@ -372,11 +501,15 @@ 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;
 }