2 Copyright (C) 2013-2015 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include "ffmpeg_content.h"
21 #include "ffmpeg_examiner.h"
22 #include "ffmpeg_subtitle_stream.h"
23 #include "ffmpeg_audio_stream.h"
24 #include "compose.hpp"
30 #include "exceptions.h"
31 #include "frame_rate_change.h"
32 #include "safe_stringstream.h"
33 #include "raw_convert.h"
34 #include <libcxml/cxml.h>
36 #include <libavformat/avformat.h>
38 #include <boost/foreach.hpp>
42 #define LOG_GENERAL(...) film->log()->log (String::compose (__VA_ARGS__), Log::TYPE_GENERAL);
49 using boost::shared_ptr;
50 using boost::dynamic_pointer_cast;
52 int const FFmpegContentProperty::SUBTITLE_STREAMS = 100;
53 int const FFmpegContentProperty::SUBTITLE_STREAM = 101;
54 int const FFmpegContentProperty::FILTERS = 102;
56 FFmpegContent::FFmpegContent (shared_ptr<const Film> film, boost::filesystem::path p)
58 , VideoContent (film, p)
59 , AudioContent (film, p)
60 , SubtitleContent (film, p)
65 FFmpegContent::FFmpegContent (shared_ptr<const Film> film, cxml::ConstNodePtr node, int version, list<string>& notes)
66 : Content (film, node)
67 , VideoContent (film, node, version)
68 , AudioContent (film, node)
69 , SubtitleContent (film, node, version)
71 list<cxml::NodePtr> c = node->node_children ("SubtitleStream");
72 for (list<cxml::NodePtr>::const_iterator i = c.begin(); i != c.end(); ++i) {
73 _subtitle_streams.push_back (shared_ptr<FFmpegSubtitleStream> (new FFmpegSubtitleStream (*i)));
74 if ((*i)->optional_number_child<int> ("Selected")) {
75 _subtitle_stream = _subtitle_streams.back ();
79 c = node->node_children ("AudioStream");
80 for (list<cxml::NodePtr>::const_iterator i = c.begin(); i != c.end(); ++i) {
81 _audio_streams.push_back (shared_ptr<FFmpegAudioStream> (new FFmpegAudioStream (*i, version)));
82 if (version < 11 && !(*i)->optional_node_child ("Selected")) {
83 /* This is an old file and this stream is not selected, so un-map it */
84 _audio_streams.back()->set_mapping (AudioMapping (_audio_streams.back()->channels (), MAX_DCP_AUDIO_CHANNELS));
88 c = node->node_children ("Filter");
89 for (list<cxml::NodePtr>::iterator i = c.begin(); i != c.end(); ++i) {
90 Filter const * f = Filter::from_id ((*i)->content ());
92 _filters.push_back (f);
94 notes.push_back (String::compose (_("DCP-o-matic no longer supports the `%1' filter, so it has been turned off."), (*i)->content()));
98 _first_video = node->optional_number_child<double> ("FirstVideo");
101 FFmpegContent::FFmpegContent (shared_ptr<const Film> film, vector<boost::shared_ptr<Content> > c)
103 , VideoContent (film, c)
104 , AudioContent (film, c)
105 , SubtitleContent (film, c)
107 shared_ptr<FFmpegContent> ref = dynamic_pointer_cast<FFmpegContent> (c[0]);
108 DCPOMATIC_ASSERT (ref);
110 for (size_t i = 0; i < c.size(); ++i) {
111 shared_ptr<FFmpegContent> fc = dynamic_pointer_cast<FFmpegContent> (c[i]);
112 if (fc->use_subtitles() && *(fc->_subtitle_stream.get()) != *(ref->_subtitle_stream.get())) {
113 throw JoinError (_("Content to be joined must use the same subtitle stream."));
117 _subtitle_streams = ref->subtitle_streams ();
118 _subtitle_stream = ref->subtitle_stream ();
119 _audio_streams = ref->ffmpeg_audio_streams ();
120 _first_video = ref->_first_video;
124 FFmpegContent::as_xml (xmlpp::Node* node) const
126 node->add_child("Type")->add_child_text ("FFmpeg");
127 Content::as_xml (node);
128 VideoContent::as_xml (node);
129 AudioContent::as_xml (node);
130 SubtitleContent::as_xml (node);
132 boost::mutex::scoped_lock lm (_mutex);
134 for (vector<shared_ptr<FFmpegSubtitleStream> >::const_iterator i = _subtitle_streams.begin(); i != _subtitle_streams.end(); ++i) {
135 xmlpp::Node* t = node->add_child("SubtitleStream");
136 if (_subtitle_stream && *i == _subtitle_stream) {
137 t->add_child("Selected")->add_child_text("1");
142 for (vector<shared_ptr<FFmpegAudioStream> >::const_iterator i = _audio_streams.begin(); i != _audio_streams.end(); ++i) {
143 (*i)->as_xml (node->add_child("AudioStream"));
146 for (vector<Filter const *>::const_iterator i = _filters.begin(); i != _filters.end(); ++i) {
147 node->add_child("Filter")->add_child_text ((*i)->id ());
151 node->add_child("FirstVideo")->add_child_text (raw_convert<string> (_first_video.get().get()));
156 FFmpegContent::examine (shared_ptr<Job> job)
158 job->set_progress_unknown ();
160 Content::examine (job);
162 shared_ptr<FFmpegExaminer> examiner (new FFmpegExaminer (shared_from_this (), job));
163 take_from_video_examiner (examiner);
165 shared_ptr<const Film> film = _film.lock ();
166 DCPOMATIC_ASSERT (film);
169 boost::mutex::scoped_lock lm (_mutex);
171 _subtitle_streams = examiner->subtitle_streams ();
172 if (!_subtitle_streams.empty ()) {
173 _subtitle_stream = _subtitle_streams.front ();
176 _audio_streams = examiner->audio_streams ();
178 if (!_audio_streams.empty ()) {
179 AudioMapping m = _audio_streams.front()->mapping ();
180 film->make_audio_mapping_default (m);
181 _audio_streams.front()->set_mapping (m);
184 _first_video = examiner->first_video ();
187 signal_changed (FFmpegContentProperty::SUBTITLE_STREAMS);
188 signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
189 signal_changed (AudioContentProperty::AUDIO_STREAMS);
193 FFmpegContent::summary () const
195 /* Get the string() here so that the name does not have quotes around it */
196 return String::compose (_("%1 [movie]"), path_summary ());
200 FFmpegContent::technical_summary () const
203 BOOST_FOREACH (shared_ptr<FFmpegAudioStream> i, ffmpeg_audio_streams ()) {
204 as += i->technical_summary () + " " ;
212 if (_subtitle_stream) {
213 ss = _subtitle_stream->technical_summary ();
216 string filt = Filter::ffmpeg_string (_filters);
218 return Content::technical_summary() + " - "
219 + VideoContent::technical_summary() + " - "
220 + AudioContent::technical_summary() + " - "
222 "ffmpeg: audio %1 subtitle %2 filters %3", as, ss, filt
227 FFmpegContent::set_subtitle_stream (shared_ptr<FFmpegSubtitleStream> s)
230 boost::mutex::scoped_lock lm (_mutex);
231 _subtitle_stream = s;
234 signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
238 operator== (FFmpegStream const & a, FFmpegStream const & b)
240 return a._id == b._id;
244 operator!= (FFmpegStream const & a, FFmpegStream const & b)
246 return a._id != b._id;
250 FFmpegContent::full_length () const
252 shared_ptr<const Film> film = _film.lock ();
253 DCPOMATIC_ASSERT (film);
254 FrameRateChange const frc (video_frame_rate (), film->video_frame_rate ());
255 return DCPTime::from_frames (rint (video_length_after_3d_combine() * frc.factor()), film->video_frame_rate());
259 FFmpegContent::set_filters (vector<Filter const *> const & filters)
262 boost::mutex::scoped_lock lm (_mutex);
266 signal_changed (FFmpegContentProperty::FILTERS);
270 FFmpegContent::identifier () const
274 s << VideoContent::identifier();
276 boost::mutex::scoped_lock lm (_mutex);
278 if (_subtitle_stream) {
279 s << "_" << _subtitle_stream->identifier ();
282 for (vector<Filter const *>::const_iterator i = _filters.begin(); i != _filters.end(); ++i) {
283 s << "_" << (*i)->id ();
289 list<ContentTimePeriod>
290 FFmpegContent::subtitles_during (ContentTimePeriod period, bool starting) const
292 shared_ptr<FFmpegSubtitleStream> stream = subtitle_stream ();
294 return list<ContentTimePeriod> ();
297 return stream->subtitles_during (period, starting);
301 FFmpegContent::has_subtitles () const
303 return !subtitle_streams().empty ();
307 FFmpegContent::set_default_colour_conversion ()
309 dcp::Size const s = video_size ();
311 boost::mutex::scoped_lock lm (_mutex);
313 if (s.width < 1080) {
314 _colour_conversion = PresetColourConversion::from_id ("rec601").conversion;
316 _colour_conversion = PresetColourConversion::from_id ("rec709").conversion;
320 vector<AudioStreamPtr>
321 FFmpegContent::audio_streams () const
323 boost::mutex::scoped_lock lm (_mutex);
325 vector<AudioStreamPtr> s;
326 copy (_audio_streams.begin(), _audio_streams.end(), back_inserter (s));