Basics of custom DCP filename components.

[dcpomatic.git] / src / lib / writer.cc

diff --git a/src/lib/writer.cc b/src/lib/writer.cc
index 4a99b079306f6c226ce3cc1b886852ded75e7e95..00dfcdcbe9319c4022379866ed1d4de021ac1621 100644 (file)
--- a/src/lib/writer.cc
+++ b/src/lib/writer.cc
@@ -30,7 +30,6 @@
 #include "job.h"
 #include "cross.h"
 #include "audio_buffers.h"
-#include "md5_digester.h"
 #include "version.h"
 #include "font.h"
 #include "util.h"
@@ -59,6 +58,9 @@ using std::pair;
 using std::string;
 using std::list;
 using std::cout;
+using std::map;
+using std::min;
+using std::max;
 using boost::shared_ptr;
 using boost::weak_ptr;
 using boost::dynamic_pointer_cast;
@@ -457,12 +459,34 @@ Writer::finish ()
 
        dcp.add (cpl);
 
+       /* Calculate digests for each reel in parallel */
+
+       shared_ptr<Job> job = _job.lock ();
+       job->sub (_("Computing digests"));
+
+       boost::asio::io_service service;
+       boost::thread_group pool;
+
+       shared_ptr<boost::asio::io_service::work> work (new boost::asio::io_service::work (service));
+
+       int const threads = max (1, Config::instance()->num_local_encoding_threads ());
+
+       for (int i = 0; i < threads; ++i) {
+               pool.create_thread (boost::bind (&boost::asio::io_service::run, &service));
+       }
+
        BOOST_FOREACH (ReelWriter& i, _reels) {
+               boost::function<void (float)> set_progress = boost::bind (&Writer::set_digest_progress, this, job.get(), _1);
+               service.post (boost::bind (&ReelWriter::calculate_digests, &i, set_progress));
+       }
 
-               shared_ptr<Job> job = _job.lock ();
-               DCPOMATIC_ASSERT (job);
-               i.calculate_digests (job);
+       work.reset ();
+       pool.join_all ();
+       service.stop ();
 
+       /* Add reels to CPL */
+
+       BOOST_FOREACH (ReelWriter& i, _reels) {
                cpl->add (i.create_reel (_reel_assets, _fonts));
        }
 
@@ -488,7 +512,7 @@ Writer::finish ()
                }
        }
 
-       dcp.write_xml (_film->interop () ? dcp::INTEROP : dcp::SMPTE, meta, signer);
+       dcp.write_xml (_film->interop () ? dcp::INTEROP : dcp::SMPTE, meta, signer, Config::instance()->dcp_filename_format());
 
        LOG_GENERAL (
                N_("Wrote %1 FULL, %2 FAKE, %3 REPEAT, %4 pushed to disk"), _full_written, _fake_written, _repeat_written, _pushed_to_disk
@@ -598,3 +622,18 @@ Writer::video_reel (int frame) const
        DCPOMATIC_ASSERT (i < _reels.size ());
        return i;
 }
+
+void
+Writer::set_digest_progress (Job* job, float progress)
+{
+       /* I believe this is thread-safe */
+       _digest_progresses[boost::this_thread::get_id()] = progress;
+
+       boost::mutex::scoped_lock lm (_digest_progresses_mutex);
+       float min_progress = 0;
+       for (map<boost::thread::id, float>::const_iterator i = _digest_progresses.begin(); i != _digest_progresses.end(); ++i) {
+               min_progress = min (min_progress, i->second);
+       }
+
+       job->set_progress (min_progress);
+}