Make terminate_threads() less likely to leave _threads containing invalid pointers.
[dcpomatic.git] / src / lib / writer.cc
index 3ab1cc5b9e014aa08ce9519acd0f9d983c32dc05..f9009be37f9779964edc988f184610208d2b0586 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2012-2017 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2019 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
@@ -23,6 +23,7 @@
 #include "film.h"
 #include "ratio.h"
 #include "log.h"
+#include "dcpomatic_log.h"
 #include "dcp_video.h"
 #include "dcp_content_type.h"
 #include "audio_mapping.h"
@@ -34,6 +35,7 @@
 #include "font.h"
 #include "util.h"
 #include "reel_writer.h"
+#include "text_content.h"
 #include <dcp/cpl.h>
 #include <dcp/locale_convert.h>
 #include <boost/foreach.hpp>
 
 #include "i18n.h"
 
-#define LOG_GENERAL(...) _film->log()->log (String::compose (__VA_ARGS__), LogEntry::TYPE_GENERAL);
-#define LOG_GENERAL_NC(...) _film->log()->log (__VA_ARGS__, LogEntry::TYPE_GENERAL);
-#define LOG_DEBUG_ENCODE(...) _film->log()->log (String::compose (__VA_ARGS__), LogEntry::TYPE_DEBUG_ENCODE);
-#define LOG_TIMING(...) _film->log()->log (String::compose (__VA_ARGS__), LogEntry::TYPE_TIMING);
-#define LOG_WARNING_NC(...) _film->log()->log (__VA_ARGS__, LogEntry::TYPE_WARNING);
-#define LOG_WARNING(...) _film->log()->log (String::compose (__VA_ARGS__), LogEntry::TYPE_WARNING);
-#define LOG_ERROR(...) _film->log()->log (String::compose (__VA_ARGS__), LogEntry::TYPE_ERROR);
-
 /* OS X strikes again */
 #undef set_key
 
@@ -63,9 +57,11 @@ using std::cout;
 using std::map;
 using std::min;
 using std::max;
+using std::vector;
 using boost::shared_ptr;
 using boost::weak_ptr;
 using boost::dynamic_pointer_cast;
+using boost::optional;
 using dcp::Data;
 
 Writer::Writer (shared_ptr<const Film> film, weak_ptr<Job> j)
@@ -95,8 +91,9 @@ Writer::Writer (shared_ptr<const Film> film, weak_ptr<Job> j)
           and captions arrive to the Writer in sequence.  This is not so for video.
        */
        _audio_reel = _reels.begin ();
-       for (int i = 0; i < CAPTION_COUNT; ++i) {
-               _caption_reel[i] = _reels.begin ();
+       _subtitle_reel = _reels.begin ();
+       BOOST_FOREACH (DCPTextTrack i, _film->closed_caption_tracks()) {
+               _caption_reels[i] = _reels.begin ();
        }
 
        /* Check that the signer is OK if we need one */
@@ -219,16 +216,14 @@ Writer::fake_write (Frame frame, Eyes eyes)
        size_t const reel = video_reel (frame);
        Frame const reel_frame = frame - _reels[reel].start ();
 
-       FILE* file = fopen_boost (_film->info_file(_reels[reel].period()), "rb");
-       if (!file) {
-               throw ReadFileError (_film->info_file(_reels[reel].period()));
-       }
-       dcp::FrameInfo info = _reels[reel].read_frame_info (file, reel_frame, eyes);
-       fclose (file);
-
        QueueItem qi;
        qi.type = QueueItem::FAKE;
-       qi.size = info.size;
+
+       {
+               shared_ptr<InfoFileHandle> info_file = _film->info_file_handle(_reels[reel].period(), true);
+               qi.size = _reels[reel].read_frame_info(info_file, reel_frame, eyes).size;
+       }
+
        qi.reel = reel;
        qi.frame = reel_frame;
        if (_film->three_d() && eyes == EYES_BOTH) {
@@ -273,8 +268,11 @@ Writer::write (shared_ptr<const AudioBuffers> audio, DCPTime const time)
                        /* Easy case: we can write all the audio to this reel */
                        _audio_reel->write (audio);
                        t = end;
+               } else if (_audio_reel->period().to <= t) {
+                       /* This reel is entirely before the start of our audio; just skip the reel */
+                       ++_audio_reel;
                } else {
-                       /* Split the audio into two and write the first part */
+                       /* This audio is over a reel boundary; split the audio into two and write the first part */
                        DCPTime part_lengths[2] = {
                                _audio_reel->period().to - t,
                                end - _audio_reel->period().to
@@ -435,7 +433,7 @@ try
                        DCPOMATIC_ASSERT (i != _queue.rend());
                        ++_pushed_to_disk;
                        /* For the log message below */
-                       int const awaiting = _reels[_queue.front().reel].last_written_video_frame();
+                       int const awaiting = _reels[_queue.front().reel].last_written_video_frame() + 1;
                        lock.unlock ();
 
                        /* i is valid here, even though we don't hold a lock on the mutex,
@@ -587,7 +585,7 @@ 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);
+               throw OpenFileError (cover, errno, OpenFileError::WRITE);
        }
 
        string text = Config::instance()->cover_sheet ();
@@ -595,7 +593,16 @@ Writer::write_cover_sheet ()
        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);
+
+       optional<string> subtitle_language;
+       BOOST_FOREACH (shared_ptr<Content> i, _film->content()) {
+               BOOST_FOREACH (shared_ptr<TextContent> j, i->text) {
+                       if (j->type() == TEXT_OPEN_SUBTITLE && j->use()) {
+                               subtitle_language = j->language ();
+                       }
+               }
+       }
+       boost::algorithm::replace_all (text, "$SUBTITLE_LANGUAGE", subtitle_language.get_value_or("None"));
 
        boost::uintmax_t size = 0;
        for (
@@ -638,7 +645,7 @@ Writer::write_cover_sheet ()
 
        boost::algorithm::replace_all (text, "$LENGTH", length);
 
-       fwrite (text.c_str(), 1, text.length(), f);
+       checked_fwrite (text.c_str(), text.length(), f, cover);
        fclose (f);
 }
 
@@ -664,17 +671,32 @@ Writer::can_fake_write (Frame frame) const
        return (frame != 0 && frame < reel.first_nonexistant_frame());
 }
 
+/** @param track Closed caption track if type == TEXT_CLOSED_CAPTION */
 void
-Writer::write (PlayerText text, TextType type, DCPTimePeriod period)
+Writer::write (PlayerText text, TextType type, optional<DCPTextTrack> track, DCPTimePeriod period)
 {
-       while (_caption_reel[type]->period().to <= period.from) {
-               ++_caption_reel[type];
-               DCPOMATIC_ASSERT (_caption_reel[type] != _reels.end());
+       vector<ReelWriter>::iterator* reel = 0;
+
+       switch (type) {
+       case TEXT_OPEN_SUBTITLE:
+               reel = &_subtitle_reel;
+               break;
+       case TEXT_CLOSED_CAPTION:
+               DCPOMATIC_ASSERT (track);
+               DCPOMATIC_ASSERT (_caption_reels.find(*track) != _caption_reels.end());
+               reel = &_caption_reels[*track];
+               break;
+       default:
+               DCPOMATIC_ASSERT (false);
        }
 
-       DCPOMATIC_ASSERT (_caption_reel[type] != _reels.end());
+       DCPOMATIC_ASSERT (*reel != _reels.end());
+       while ((*reel)->period().to <= period.from) {
+               ++(*reel);
+               DCPOMATIC_ASSERT (*reel != _reels.end());
+       }
 
-       _caption_reel[type]->write (text, type, period);
+       (*reel)->write (text, type, track, period);
 }
 
 void