2 Copyright (C) 2013-2014 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.
21 #include <libavformat/avformat.h>
23 #include <libcxml/cxml.h>
24 #include <dcp/raw_convert.h>
25 #include "ffmpeg_content.h"
26 #include "ffmpeg_examiner.h"
27 #include "ffmpeg_subtitle_stream.h"
28 #include "ffmpeg_audio_stream.h"
29 #include "compose.hpp"
35 #include "exceptions.h"
36 #include "frame_rate_change.h"
37 #include "safe_stringstream.h"
41 #define LOG_GENERAL(...) film->log()->log (String::compose (__VA_ARGS__), Log::TYPE_GENERAL);
48 using boost::shared_ptr;
49 using boost::dynamic_pointer_cast;
50 using dcp::raw_convert;
52 int const FFmpegContentProperty::SUBTITLE_STREAMS = 100;
53 int const FFmpegContentProperty::SUBTITLE_STREAM = 101;
54 int const FFmpegContentProperty::AUDIO_STREAMS = 102;
55 int const FFmpegContentProperty::AUDIO_STREAM = 103;
56 int const FFmpegContentProperty::FILTERS = 104;
58 FFmpegContent::FFmpegContent (shared_ptr<const Film> f, boost::filesystem::path p)
62 , SubtitleContent (f, p)
67 FFmpegContent::FFmpegContent (shared_ptr<const Film> f, cxml::ConstNodePtr node, int version, list<string>& notes)
69 , VideoContent (f, node, version)
70 , AudioContent (f, node)
71 , SubtitleContent (f, node, version)
73 list<cxml::NodePtr> c = node->node_children ("SubtitleStream");
74 for (list<cxml::NodePtr>::const_iterator i = c.begin(); i != c.end(); ++i) {
75 _subtitle_streams.push_back (shared_ptr<FFmpegSubtitleStream> (new FFmpegSubtitleStream (*i)));
76 if ((*i)->optional_number_child<int> ("Selected")) {
77 _subtitle_stream = _subtitle_streams.back ();
81 c = node->node_children ("AudioStream");
82 for (list<cxml::NodePtr>::const_iterator i = c.begin(); i != c.end(); ++i) {
83 _audio_streams.push_back (shared_ptr<FFmpegAudioStream> (new FFmpegAudioStream (*i, version)));
84 if ((*i)->optional_number_child<int> ("Selected")) {
85 _audio_stream = _audio_streams.back ();
89 c = node->node_children ("Filter");
90 for (list<cxml::NodePtr>::iterator i = c.begin(); i != c.end(); ++i) {
91 Filter const * f = Filter::from_id ((*i)->content ());
93 _filters.push_back (f);
95 notes.push_back (String::compose (_("DCP-o-matic no longer supports the `%1' filter, so it has been turned off."), (*i)->content()));
99 _first_video = node->optional_number_child<double> ("FirstVideo");
102 FFmpegContent::FFmpegContent (shared_ptr<const Film> f, vector<boost::shared_ptr<Content> > c)
104 , VideoContent (f, c)
105 , AudioContent (f, c)
106 , SubtitleContent (f, c)
108 shared_ptr<FFmpegContent> ref = dynamic_pointer_cast<FFmpegContent> (c[0]);
109 DCPOMATIC_ASSERT (ref);
111 for (size_t i = 0; i < c.size(); ++i) {
112 shared_ptr<FFmpegContent> fc = dynamic_pointer_cast<FFmpegContent> (c[i]);
113 if (fc->use_subtitles() && *(fc->_subtitle_stream.get()) != *(ref->_subtitle_stream.get())) {
114 throw JoinError (_("Content to be joined must use the same subtitle stream."));
117 if (*(fc->_audio_stream.get()) != *(ref->_audio_stream.get())) {
118 throw JoinError (_("Content to be joined must use the same audio stream."));
122 _subtitle_streams = ref->subtitle_streams ();
123 _subtitle_stream = ref->subtitle_stream ();
124 _audio_streams = ref->audio_streams ();
125 _audio_stream = ref->audio_stream ();
126 _first_video = ref->_first_video;
130 FFmpegContent::as_xml (xmlpp::Node* node) const
132 node->add_child("Type")->add_child_text ("FFmpeg");
133 Content::as_xml (node);
134 VideoContent::as_xml (node);
135 AudioContent::as_xml (node);
136 SubtitleContent::as_xml (node);
138 boost::mutex::scoped_lock lm (_mutex);
140 for (vector<shared_ptr<FFmpegSubtitleStream> >::const_iterator i = _subtitle_streams.begin(); i != _subtitle_streams.end(); ++i) {
141 xmlpp::Node* t = node->add_child("SubtitleStream");
142 if (_subtitle_stream && *i == _subtitle_stream) {
143 t->add_child("Selected")->add_child_text("1");
148 for (vector<shared_ptr<FFmpegAudioStream> >::const_iterator i = _audio_streams.begin(); i != _audio_streams.end(); ++i) {
149 xmlpp::Node* t = node->add_child("AudioStream");
150 if (_audio_stream && *i == _audio_stream) {
151 t->add_child("Selected")->add_child_text("1");
156 for (vector<Filter const *>::const_iterator i = _filters.begin(); i != _filters.end(); ++i) {
157 node->add_child("Filter")->add_child_text ((*i)->id ());
161 node->add_child("FirstVideo")->add_child_text (raw_convert<string> (_first_video.get().get()));
166 FFmpegContent::examine (shared_ptr<Job> job, bool calculate_digest)
168 job->set_progress_unknown ();
170 Content::examine (job, calculate_digest);
172 shared_ptr<FFmpegExaminer> examiner (new FFmpegExaminer (shared_from_this ()));
173 take_from_video_examiner (examiner);
175 shared_ptr<const Film> film = _film.lock ();
176 DCPOMATIC_ASSERT (film);
179 boost::mutex::scoped_lock lm (_mutex);
181 _subtitle_streams = examiner->subtitle_streams ();
182 if (!_subtitle_streams.empty ()) {
183 _subtitle_stream = _subtitle_streams.front ();
186 _audio_streams = examiner->audio_streams ();
187 if (!_audio_streams.empty ()) {
188 _audio_stream = _audio_streams.front ();
191 _first_video = examiner->first_video ();
194 signal_changed (FFmpegContentProperty::SUBTITLE_STREAMS);
195 signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
196 signal_changed (FFmpegContentProperty::AUDIO_STREAMS);
197 signal_changed (FFmpegContentProperty::AUDIO_STREAM);
198 signal_changed (AudioContentProperty::AUDIO_CHANNELS);
202 FFmpegContent::summary () const
204 /* Get the string() here so that the name does not have quotes around it */
205 return String::compose (_("%1 [movie]"), path_summary ());
209 FFmpegContent::technical_summary () const
213 as = _audio_stream->technical_summary ();
217 if (_subtitle_stream) {
218 ss = _subtitle_stream->technical_summary ();
221 string filt = Filter::ffmpeg_string (_filters);
223 return Content::technical_summary() + " - "
224 + VideoContent::technical_summary() + " - "
225 + AudioContent::technical_summary() + " - "
227 "ffmpeg: audio %1, subtitle %2, filters %3", as, ss, filt
232 FFmpegContent::set_subtitle_stream (shared_ptr<FFmpegSubtitleStream> s)
235 boost::mutex::scoped_lock lm (_mutex);
236 _subtitle_stream = s;
239 signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
243 FFmpegContent::set_audio_stream (shared_ptr<FFmpegAudioStream> s)
246 boost::mutex::scoped_lock lm (_mutex);
250 signal_changed (FFmpegContentProperty::AUDIO_STREAM);
254 FFmpegContent::audio_length () const
256 if (!audio_stream ()) {
257 return ContentTime ();
260 return video_length ();
264 FFmpegContent::audio_channels () const
266 boost::mutex::scoped_lock lm (_mutex);
268 if (!_audio_stream) {
272 return _audio_stream->channels ();
276 FFmpegContent::audio_frame_rate () const
278 boost::mutex::scoped_lock lm (_mutex);
280 if (!_audio_stream) {
284 return _audio_stream->frame_rate ();
288 operator== (FFmpegStream const & a, FFmpegStream const & b)
290 return a._id == b._id;
294 operator!= (FFmpegStream const & a, FFmpegStream const & b)
296 return a._id != b._id;
300 FFmpegContent::full_length () const
302 shared_ptr<const Film> film = _film.lock ();
303 DCPOMATIC_ASSERT (film);
304 return DCPTime (video_length_after_3d_combine(), FrameRateChange (video_frame_rate (), film->video_frame_rate ()));
308 FFmpegContent::audio_mapping () const
310 boost::mutex::scoped_lock lm (_mutex);
312 if (!_audio_stream) {
313 return AudioMapping ();
316 return _audio_stream->mapping ();
320 FFmpegContent::set_filters (vector<Filter const *> const & filters)
323 boost::mutex::scoped_lock lm (_mutex);
327 signal_changed (FFmpegContentProperty::FILTERS);
331 FFmpegContent::set_audio_mapping (AudioMapping m)
333 audio_stream()->set_mapping (m);
334 AudioContent::set_audio_mapping (m);
338 FFmpegContent::identifier () const
342 s << VideoContent::identifier();
344 boost::mutex::scoped_lock lm (_mutex);
346 if (_subtitle_stream) {
347 s << "_" << _subtitle_stream->identifier ();
350 for (vector<Filter const *>::const_iterator i = _filters.begin(); i != _filters.end(); ++i) {
351 s << "_" << (*i)->id ();
357 boost::filesystem::path
358 FFmpegContent::audio_analysis_path () const
360 shared_ptr<const Film> film = _film.lock ();
362 return boost::filesystem::path ();
365 /* We need to include the stream ID in this path so that we get different
366 analyses for each stream.
369 boost::filesystem::path p = film->audio_analysis_dir ();
370 string name = digest().get_value_or ("X");
371 if (audio_stream ()) {
372 name += "_" + audio_stream()->identifier ();
378 list<ContentTimePeriod>
379 FFmpegContent::subtitles_during (ContentTimePeriod period, bool starting) const
381 list<ContentTimePeriod> d;
383 shared_ptr<FFmpegSubtitleStream> stream = subtitle_stream ();
388 /* XXX: inefficient */
389 for (vector<ContentTimePeriod>::const_iterator i = stream->periods.begin(); i != stream->periods.end(); ++i) {
390 if ((starting && period.contains (i->from)) || (!starting && period.overlaps (*i))) {
399 FFmpegContent::has_subtitles () const
401 return !subtitle_streams().empty ();