X-Git-Url: https://main.carlh.net/gitweb/?p=dcpomatic.git;a=blobdiff_plain;f=src%2Flib%2Fwriter.cc;h=227de6277731d4ff31a81649ef8eb24ed114bd1d;hp=67b00987d4ea5eab9b335530256471f831ad84e2;hb=8e4a2e5ea578ac4f0f41edb6145d5c0040e33ec2;hpb=ad04d9cd5f529ab64d950c6a4c627678f3f2500d diff --git a/src/lib/writer.cc b/src/lib/writer.cc index 67b00987d..227de6277 100644 --- a/src/lib/writer.cc +++ b/src/lib/writer.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2012-2016 Carl Hetherington + Copyright (C) 2012-2017 Carl Hetherington This file is part of DCP-o-matic. @@ -35,6 +35,7 @@ #include "util.h" #include "reel_writer.h" #include +#include #include #include #include @@ -105,6 +106,9 @@ void Writer::start () { _thread = new boost::thread (boost::bind (&Writer::thread, this)); +#ifdef DCPOMATIC_LINUX + pthread_setname_np (_thread->native_handle(), "writer"); +#endif } Writer::~Writer () @@ -229,23 +233,63 @@ Writer::fake_write (Frame frame, Eyes eyes) _empty_condition.notify_all (); } -/** Write one video frame's worth of audio frames to the DCP. - * @param audio Audio data or 0 if there is no audio to be written here (i.e. it is referenced). +/** Write some audio frames to the DCP. + * @param audio Audio data. + * @param time Time of this data within the DCP. * This method is not thread safe. */ void -Writer::write (shared_ptr audio) +Writer::write (shared_ptr audio, DCPTime const time) { - if (_audio_reel == _reels.end ()) { - /* This audio is off the end of the last reel; ignore it */ - return; - } + DCPOMATIC_ASSERT (audio); + + int const afr = _film->audio_frame_rate(); + + DCPTime const end = time + DCPTime::from_frames(audio->frames(), afr); + + /* The audio we get might span a reel boundary, and if so we have to write it in bits */ + + DCPTime t = time; + while (t < end) { + + if (_audio_reel == _reels.end ()) { + /* This audio is off the end of the last reel; ignore it */ + return; + } + + if (end <= _audio_reel->period().to) { + /* Easy case: we can write all the audio to this reel */ + _audio_reel->write (audio); + t = end; + } else { + /* Split the audio into two and write the first part */ + DCPTime part_lengths[2] = { + _audio_reel->period().to - t, + end - _audio_reel->period().to + }; + + Frame part_frames[2] = { + part_lengths[0].frames_ceil(afr), + part_lengths[1].frames_ceil(afr) + }; + + if (part_frames[0]) { + shared_ptr part (new AudioBuffers (audio->channels(), part_frames[0])); + part->copy_from (audio.get(), part_frames[0], 0, 0); + _audio_reel->write (part); + } - _audio_reel->write (audio); + if (part_frames[1]) { + shared_ptr part (new AudioBuffers (audio->channels(), part_frames[1])); + part->copy_from (audio.get(), part_frames[1], part_frames[0], 0); + audio = part; + } else { + audio.reset (); + } - /* written is in video frames, not audio frames */ - if (_audio_reel->total_written_audio_frames() >= _audio_reel->period().duration().frames_floor (_film->video_frame_rate())) { - ++_audio_reel; + ++_audio_reel; + t += part_lengths[0]; + } } } @@ -472,7 +516,7 @@ Writer::finish () shared_ptr work (new boost::asio::io_service::work (service)); - int const threads = max (1, Config::instance()->num_local_encoding_threads ()); + int const threads = max (1, Config::instance()->master_encoding_threads ()); for (int i = 0; i < threads; ++i) { pool.create_thread (boost::bind (&boost::asio::io_service::run, &service)); @@ -522,6 +566,69 @@ 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 (size / 1000000000.0, 1, true))); + } else { + boost::algorithm::replace_all (text, "$SIZE", String::compose ("%1MB", dcp::locale_convert (size / 1000000.0, 1, true))); + } + + pair ch = audio_channel_types (_film->mapped_audio_channels(), _film->audio_channels()); + string description = String::compose("%1.%2", ch.first, ch.second); + + if (description == "0.0") { + description = _("None"); + } else if (description == "1.0") { + description = _("Mono"); + } else if (description == "2.0") { + description = _("Stereo"); + } + boost::algorithm::replace_all (text, "$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. @@ -542,13 +649,13 @@ Writer::can_fake_write (Frame frame) const } void -Writer::write (PlayerSubtitles subs) +Writer::write (PlayerSubtitles subs, DCPTimePeriod period) { if (subs.text.empty ()) { return; } - if (_subtitle_reel->period().to <= subs.period.from) { + if (_subtitle_reel->period().to <= period.from) { ++_subtitle_reel; } @@ -597,16 +704,7 @@ 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