Add configuration option to set writer's maximum frames in memory.

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

diff --git a/src/lib/writer.cc b/src/lib/writer.cc
index 87cdac2d8c97bf3ce6dd4b0e47b93cf96fe4bdcb..3f0c687c24c7fd25bdd63e582354cf974d565475 100644 (file)
--- a/src/lib/writer.cc
+++ b/src/lib/writer.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2012-2016 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2017 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
@@ -35,6 +35,7 @@
 #include "util.h"
 #include "reel_writer.h"
 #include <dcp/cpl.h>
+#include <dcp/locale_convert.h>
 #include <boost/foreach.hpp>
 #include <fstream>
 #include <cerrno>
@@ -246,23 +247,21 @@ Writer::write (shared_ptr<const AudioBuffers> audio)
                        return;
                }
 
-               int32_t const this_time = min (
-                       audio->frames() - offset,
-                       (int32_t) (_audio_reel->period().duration().frames_floor(_film->audio_frame_rate()) - _audio_reel->total_written_audio_frames())
-                       );
+               int32_t const remaining = audio->frames() - offset;
+               int32_t const reel_space = _audio_reel->period().duration().frames_floor(_film->audio_frame_rate()) - _audio_reel->total_written_audio_frames();
 
-               if (this_time == audio->frames()) {
+               if (remaining <= reel_space) {
                        /* Easy case: we can write all the audio to this reel */
                        _audio_reel->write (audio);
+                       offset += remaining;
                } else {
                        /* Write the part we can */
-                       shared_ptr<AudioBuffers> part (new AudioBuffers (audio->channels(), this_time));
-                       part->copy_from (audio.get(), this_time, offset, 0);
+                       shared_ptr<AudioBuffers> part (new AudioBuffers (audio->channels(), reel_space));
+                       part->copy_from (audio.get(), reel_space, offset, 0);
                        _audio_reel->write (part);
                        ++_audio_reel;
+                       offset += reel_space;
                }
-
-               offset += this_time;
        }
 }
 
@@ -539,6 +538,69 @@ Writer::finish ()
        LOG_GENERAL (
                N_("Wrote %1 FULL, %2 FAKE, %3 REPEAT, %4 pushed to disk"), _full_written, _fake_written, _repeat_written, _pushed_to_disk
                );
+
+       write_cover_sheet ();
+}
+
+void
+Writer::write_cover_sheet ()
+{
+       boost::filesystem::path const cover = _film->file ("COVER_SHEET.txt");
+       FILE* f = fopen_boost (cover, "w");
+       if (!f) {
+               throw OpenFileError (cover, errno, false);
+       }
+
+       string text = Config::instance()->cover_sheet ();
+       boost::algorithm::replace_all (text, "$CPL_NAME", _film->name());
+       boost::algorithm::replace_all (text, "$TYPE", _film->dcp_content_type()->pretty_name());
+       boost::algorithm::replace_all (text, "$CONTAINER", _film->container()->container_nickname());
+       boost::algorithm::replace_all (text, "$AUDIO_LANGUAGE", _film->isdcf_metadata().audio_language);
+       boost::algorithm::replace_all (text, "$SUBTITLE_LANGUAGE", _film->isdcf_metadata().subtitle_language);
+
+       boost::uintmax_t size = 0;
+       for (
+               boost::filesystem::recursive_directory_iterator i = boost::filesystem::recursive_directory_iterator(_film->dir(_film->dcp_name()));
+               i != boost::filesystem::recursive_directory_iterator();
+               ++i) {
+               if (boost::filesystem::is_regular_file (i->path ())) {
+                       size += boost::filesystem::file_size (i->path ());
+               }
+       }
+
+       if (size > (1000000000L)) {
+               boost::algorithm::replace_all (text, "$SIZE", String::compose ("%1GB", dcp::locale_convert<string> (size / 1000000000.0, 1, true)));
+       } else {
+               boost::algorithm::replace_all (text, "$SIZE", String::compose ("%1MB", dcp::locale_convert<string> (size / 1000000.0, 1, true)));
+       }
+
+       pair<int, int> ch = audio_channel_types (_film->mapped_audio_channels(), _film->audio_channels());
+       string description = String::compose("%1.%2", ch.first, ch.second);
+
+       if (description == "0.0") {
+               description = _("None");
+       } else if (description == "1.0") {
+               description = _("Mono");
+       } else if (description == "2.0") {
+               description = _("Stereo");
+       }
+       boost::algorithm::replace_all (text, "$AUDIO", description);
+
+       int h, m, s, fr;
+       _film->length().split (_film->video_frame_rate(), h, m, s, fr);
+       string length;
+       if (h == 0 && m == 0) {
+               length = String::compose("%1s", s);
+       } else if (h == 0 && m > 0) {
+               length = String::compose("%1m%2s", m, s);
+       } else if (h > 0 && m > 0) {
+               length = String::compose("%1h%2m%3s", h, m, s);
+       }
+
+       boost::algorithm::replace_all (text, "$LENGTH", length);
+
+       fwrite (text.c_str(), 1, text.length(), f);
+       fclose (f);
 }
 
 /** @param frame Frame index within the whole DCP.
@@ -614,16 +676,7 @@ operator== (QueueItem const & a, QueueItem const & b)
 void
 Writer::set_encoder_threads (int threads)
 {
-       /* I think the scaling factor here should be the ratio of the longest frame
-          encode time to the shortest; if the thread count is T, longest time is L
-          and the shortest time S we could encode L/S frames per thread whilst waiting
-          for the L frame to encode so we might have to store LT/S frames.
-
-          However we don't want to use too much memory, so keep it a bit lower than we'd
-          perhaps like.  A J2K frame is typically about 1Mb so 3 here will mean we could
-          use about 240Mb with 72 encoding threads.
-       */
-       _maximum_frames_in_memory = lrint (threads * 3);
+       _maximum_frames_in_memory = lrint (threads * Config::instance()->frames_in_memory_multiplier());
 }
 
 void