Allow repeat-frame to work with 3D.
authorCarl Hetherington <cth@carlh.net>
Wed, 31 May 2017 15:20:09 +0000 (16:20 +0100)
committerCarl Hetherington <cth@carlh.net>
Wed, 31 May 2017 15:20:09 +0000 (16:20 +0100)
ChangeLog
src/lib/j2k_encoder.cc
src/lib/j2k_encoder.h
test/optimise_stills_test.cc [new file with mode: 0644]
test/test.cc
test/wscript

index 30d576e..cf44cbc 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2017-05-31  Carl Hetherington  <cth@carlh.net>
+
+       * Speed up generation of 3D DCPs from still images.
+
 2017-05-26  Carl Hetherington  <cth@carlh.net>
 
        * Version 2.11.8 released.
index 3c062dc..15977bb 100644 (file)
@@ -220,7 +220,7 @@ J2KEncoder::encode (shared_ptr<PlayerVideo> pv, DCPTime time)
                LOG_DEBUG_ENCODE("Frame @ %1 J2K", to_string(time));
                /* This frame already has J2K data, so just write it */
                _writer->write (pv->j2k(), position, pv->eyes ());
-       } else if (_last_player_video && _writer->can_repeat(position) && pv->same (_last_player_video)) {
+       } else if (_last_player_video[pv->eyes()] && _writer->can_repeat(position) && pv->same (_last_player_video[pv->eyes()])) {
                LOG_DEBUG_ENCODE("Frame @ %1 REPEAT", to_string(time));
                _writer->repeat (position, pv->eyes ());
        } else {
@@ -244,7 +244,7 @@ J2KEncoder::encode (shared_ptr<PlayerVideo> pv, DCPTime time)
                _empty_condition.notify_all ();
        }
 
-       _last_player_video = pv;
+       _last_player_video[pv->eyes()] = pv;
        _last_player_video_time = time;
 }
 
index cc8a854..2180f3f 100644 (file)
@@ -100,7 +100,7 @@ private:
        boost::shared_ptr<Writer> _writer;
        Waker _waker;
 
-       boost::shared_ptr<PlayerVideo> _last_player_video;
+       boost::shared_ptr<PlayerVideo> _last_player_video[EYES_COUNT];
        boost::optional<DCPTime> _last_player_video_time;
 
        boost::signals2::scoped_connection _server_found_connection;
diff --git a/test/optimise_stills_test.cc b/test/optimise_stills_test.cc
new file mode 100644 (file)
index 0000000..7bd7f3b
--- /dev/null
@@ -0,0 +1,102 @@
+/*
+    Copyright (C) 2017 Carl Hetherington <cth@carlh.net>
+
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    DCP-o-matic is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#include "lib/dcp_encoder.h"
+#include "lib/writer.h"
+#include "lib/transcode_job.h"
+#include "lib/job_manager.h"
+#include "lib/film.h"
+#include "lib/ratio.h"
+#include "lib/content_factory.h"
+#include "lib/dcp_content_type.h"
+#include "lib/content.h"
+#include "lib/video_content.h"
+#include "test.h"
+#include <boost/test/unit_test.hpp>
+#include <boost/algorithm/string.hpp>
+
+using std::getline;
+using std::ifstream;
+using std::string;
+using std::vector;
+using boost::starts_with;
+using boost::split;
+using boost::dynamic_pointer_cast;
+using boost::shared_ptr;
+
+static
+void
+check (string name, int check_full, int check_repeat)
+{
+       /* The encoder will have been destroyed so parse the logs */
+       ifstream log ("build/test/" + name + "/log");
+       string line;
+       int repeat = 0;
+       int full = 0;
+       while (getline (log, line)) {
+               vector<string> bits;
+               split (bits, line, boost::is_any_of (":"));
+               if (bits.size() >= 4 && starts_with (bits[3], " Wrote")) {
+                       split (bits, bits[3], boost::is_any_of (" "));
+                       if (bits.size() >= 7) {
+                               full = atoi (bits[2].c_str());
+                               repeat = atoi (bits[6].c_str());
+                       }
+               }
+
+       }
+
+       BOOST_CHECK_EQUAL (full, check_full);
+       BOOST_CHECK_EQUAL (repeat, check_repeat);
+}
+
+/** Make a 2D DCP out of a 2D still and check that the J2K encoding is only done once for each frame */
+BOOST_AUTO_TEST_CASE (optimise_stills_test1)
+{
+       shared_ptr<Film> film = new_test_film ("optimise_stills_test1");
+       film->set_container (Ratio::from_id ("185"));
+       film->set_dcp_content_type (DCPContentType::from_isdcf_name ("TLR"));
+       film->set_name ("frobozz");
+       shared_ptr<Content> content = content_factory(film, "test/data/flat_red.png").front ();
+       film->examine_and_add_content (content);
+       BOOST_REQUIRE (!wait_for_jobs ());
+       film->make_dcp ();
+       BOOST_REQUIRE (!wait_for_jobs ());
+
+       check ("optimise_stills_test1", 1, 10 * 24 - 1);
+}
+
+/** Make a 3D DCP out of a 3D L/R still and check that the J2K encoding is only done once for L and R */
+BOOST_AUTO_TEST_CASE (optimise_stills_test2)
+{
+       shared_ptr<Film> film = new_test_film ("optimise_stills_test2");
+       film->set_container (Ratio::from_id ("185"));
+       film->set_dcp_content_type (DCPContentType::from_isdcf_name ("TLR"));
+       film->set_name ("frobozz");
+       shared_ptr<Content> content = content_factory(film, "test/data/flat_red.png").front ();
+       film->examine_and_add_content (content);
+       BOOST_REQUIRE (!wait_for_jobs ());
+       content->video->set_frame_type (VIDEO_FRAME_TYPE_3D_LEFT_RIGHT);
+       film->set_three_d (true);
+       film->make_dcp ();
+       BOOST_REQUIRE (!wait_for_jobs ());
+
+       check ("optimise_stills_test2", 2, 10 * 48 - 2);
+}
index 699dea6..1b94b39 100644 (file)
@@ -82,6 +82,7 @@ struct TestConfig
                Config::instance()->set_default_audio_delay (0);
                Config::instance()->set_default_j2k_bandwidth (100000000);
                Config::instance()->set_default_interop (false);
+               Config::instance()->set_default_still_length (10);
                Config::instance()->set_log_types (LogEntry::TYPE_GENERAL | LogEntry::TYPE_WARNING | LogEntry::TYPE_ERROR);
 
                EncodeServerFinder::instance()->stop ();
index cb39468..3ccc644 100644 (file)
@@ -75,6 +75,7 @@ def build(bld):
                  j2k_bandwidth_test.cc
                  job_test.cc
                  make_black_test.cc
+                 optimise_stills_test.cc
                  pixel_formats_test.cc
                  player_test.cc
                  ratio_test.cc