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>
37 #include <libavutil/pixdesc.h>
39 #include <boost/foreach.hpp>
43 #define LOG_GENERAL(...) film->log()->log (String::compose (__VA_ARGS__), Log::TYPE_GENERAL);
51 using boost::shared_ptr;
52 using boost::dynamic_pointer_cast;
54 int const FFmpegContentProperty::SUBTITLE_STREAMS = 100;
55 int const FFmpegContentProperty::SUBTITLE_STREAM = 101;
56 int const FFmpegContentProperty::FILTERS = 102;
58 FFmpegContent::FFmpegContent (shared_ptr<const Film> film, boost::filesystem::path p)
60 , VideoContent (film, p)
61 , AudioContent (film, p)
62 , SubtitleContent (film, p)
67 FFmpegContent::FFmpegContent (shared_ptr<const Film> film, cxml::ConstNodePtr node, int version, list<string>& notes)
68 : Content (film, node)
69 , VideoContent (film, node, version)
70 , AudioContent (film, node)
71 , SubtitleContent (film, 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 (version < 11 && !(*i)->optional_node_child ("Selected")) {
85 /* This is an old file and this stream is not selected, so un-map it */
86 _audio_streams.back()->set_mapping (AudioMapping (_audio_streams.back()->channels (), MAX_DCP_AUDIO_CHANNELS));
90 c = node->node_children ("Filter");
91 for (list<cxml::NodePtr>::iterator i = c.begin(); i != c.end(); ++i) {
92 Filter const * f = Filter::from_id ((*i)->content ());
94 _filters.push_back (f);
96 notes.push_back (String::compose (_("DCP-o-matic no longer supports the `%1' filter, so it has been turned off."), (*i)->content()));
100 _first_video = node->optional_number_child<double> ("FirstVideo");
102 _color_range = static_cast<AVColorRange> (node->optional_number_child<int>("ColorRange").get_value_or (AVCOL_RANGE_UNSPECIFIED));
103 _color_primaries = static_cast<AVColorPrimaries> (node->optional_number_child<int>("ColorPrimaries").get_value_or (AVCOL_PRI_UNSPECIFIED));
104 _color_trc = static_cast<AVColorTransferCharacteristic> (
105 node->optional_number_child<int>("ColorTransferCharacteristic").get_value_or (AVCOL_TRC_UNSPECIFIED)
107 _colorspace = static_cast<AVColorSpace> (node->optional_number_child<int>("Colorspace").get_value_or (AVCOL_SPC_UNSPECIFIED));
108 _bits_per_pixel = static_cast<int> (node->number_child<int> ("BitsPerPixel"));
112 FFmpegContent::FFmpegContent (shared_ptr<const Film> film, vector<boost::shared_ptr<Content> > c)
114 , VideoContent (film, c)
115 , AudioContent (film, c)
116 , SubtitleContent (film, c)
118 shared_ptr<FFmpegContent> ref = dynamic_pointer_cast<FFmpegContent> (c[0]);
119 DCPOMATIC_ASSERT (ref);
121 for (size_t i = 0; i < c.size(); ++i) {
122 shared_ptr<FFmpegContent> fc = dynamic_pointer_cast<FFmpegContent> (c[i]);
123 if (fc->use_subtitles() && *(fc->_subtitle_stream.get()) != *(ref->_subtitle_stream.get())) {
124 throw JoinError (_("Content to be joined must use the same subtitle stream."));
128 _subtitle_streams = ref->subtitle_streams ();
129 _subtitle_stream = ref->subtitle_stream ();
130 _audio_streams = ref->ffmpeg_audio_streams ();
131 _first_video = ref->_first_video;
135 FFmpegContent::as_xml (xmlpp::Node* node) const
137 node->add_child("Type")->add_child_text ("FFmpeg");
138 Content::as_xml (node);
139 VideoContent::as_xml (node);
140 AudioContent::as_xml (node);
141 SubtitleContent::as_xml (node);
143 boost::mutex::scoped_lock lm (_mutex);
145 for (vector<shared_ptr<FFmpegSubtitleStream> >::const_iterator i = _subtitle_streams.begin(); i != _subtitle_streams.end(); ++i) {
146 xmlpp::Node* t = node->add_child("SubtitleStream");
147 if (_subtitle_stream && *i == _subtitle_stream) {
148 t->add_child("Selected")->add_child_text("1");
153 for (vector<shared_ptr<FFmpegAudioStream> >::const_iterator i = _audio_streams.begin(); i != _audio_streams.end(); ++i) {
154 (*i)->as_xml (node->add_child("AudioStream"));
157 for (vector<Filter const *>::const_iterator i = _filters.begin(); i != _filters.end(); ++i) {
158 node->add_child("Filter")->add_child_text ((*i)->id ());
162 node->add_child("FirstVideo")->add_child_text (raw_convert<string> (_first_video.get().get()));
165 node->add_child("ColorRange")->add_child_text (raw_convert<string> (_color_range));
166 node->add_child("ColorPrimaries")->add_child_text (raw_convert<string> (_color_primaries));
167 node->add_child("ColorTransferCharacteristic")->add_child_text (raw_convert<string> (_color_trc));
168 node->add_child("Colorspace")->add_child_text (raw_convert<string> (_colorspace));
169 node->add_child("BitsPerPixel")->add_child_text (raw_convert<string> (_bits_per_pixel));
173 FFmpegContent::examine (shared_ptr<Job> job)
175 job->set_progress_unknown ();
177 Content::examine (job);
179 shared_ptr<FFmpegExaminer> examiner (new FFmpegExaminer (shared_from_this (), job));
180 take_from_video_examiner (examiner);
182 shared_ptr<const Film> film = _film.lock ();
183 DCPOMATIC_ASSERT (film);
186 boost::mutex::scoped_lock lm (_mutex);
188 _subtitle_streams = examiner->subtitle_streams ();
189 if (!_subtitle_streams.empty ()) {
190 _subtitle_stream = _subtitle_streams.front ();
193 _audio_streams = examiner->audio_streams ();
195 if (!_audio_streams.empty ()) {
196 AudioMapping m = _audio_streams.front()->mapping ();
197 film->make_audio_mapping_default (m);
198 _audio_streams.front()->set_mapping (m);
201 _first_video = examiner->first_video ();
203 _color_range = examiner->color_range ();
204 _color_primaries = examiner->color_primaries ();
205 _color_trc = examiner->color_trc ();
206 _colorspace = examiner->colorspace ();
207 _bits_per_pixel = examiner->bits_per_pixel ();
210 signal_changed (FFmpegContentProperty::SUBTITLE_STREAMS);
211 signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
212 signal_changed (AudioContentProperty::AUDIO_STREAMS);
216 FFmpegContent::summary () const
218 /* Get the string() here so that the name does not have quotes around it */
219 return String::compose (_("%1 [movie]"), path_summary ());
223 FFmpegContent::technical_summary () const
226 BOOST_FOREACH (shared_ptr<FFmpegAudioStream> i, ffmpeg_audio_streams ()) {
227 as += i->technical_summary () + " " ;
235 if (_subtitle_stream) {
236 ss = _subtitle_stream->technical_summary ();
239 string filt = Filter::ffmpeg_string (_filters);
241 return Content::technical_summary() + " - "
242 + VideoContent::technical_summary() + " - "
243 + AudioContent::technical_summary() + " - "
245 "ffmpeg: audio %1 subtitle %2 filters %3", as, ss, filt
250 FFmpegContent::set_subtitle_stream (shared_ptr<FFmpegSubtitleStream> s)
253 boost::mutex::scoped_lock lm (_mutex);
254 _subtitle_stream = s;
257 signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
261 operator== (FFmpegStream const & a, FFmpegStream const & b)
263 return a._id == b._id;
267 operator!= (FFmpegStream const & a, FFmpegStream const & b)
269 return a._id != b._id;
273 FFmpegContent::full_length () const
275 shared_ptr<const Film> film = _film.lock ();
276 DCPOMATIC_ASSERT (film);
277 FrameRateChange const frc (video_frame_rate (), film->video_frame_rate ());
278 return DCPTime::from_frames (rint (video_length_after_3d_combine() * frc.factor()), film->video_frame_rate());
282 FFmpegContent::set_filters (vector<Filter const *> const & filters)
285 boost::mutex::scoped_lock lm (_mutex);
289 signal_changed (FFmpegContentProperty::FILTERS);
293 FFmpegContent::identifier () const
297 s << VideoContent::identifier() << "_"
298 << SubtitleContent::identifier();
300 boost::mutex::scoped_lock lm (_mutex);
302 if (_subtitle_stream) {
303 s << "_" << _subtitle_stream->identifier ();
306 for (vector<Filter const *>::const_iterator i = _filters.begin(); i != _filters.end(); ++i) {
307 s << "_" << (*i)->id ();
313 list<ContentTimePeriod>
314 FFmpegContent::subtitles_during (ContentTimePeriod period, bool starting) const
316 shared_ptr<FFmpegSubtitleStream> stream = subtitle_stream ();
318 return list<ContentTimePeriod> ();
321 return stream->subtitles_during (period, starting);
325 FFmpegContent::has_text_subtitles () const
331 FFmpegContent::has_image_subtitles () const
333 return !subtitle_streams().empty ();
337 FFmpegContent::set_default_colour_conversion ()
339 dcp::Size const s = video_size ();
341 boost::mutex::scoped_lock lm (_mutex);
343 if (s.width < 1080) {
344 _colour_conversion = PresetColourConversion::from_id ("rec601").conversion;
346 _colour_conversion = PresetColourConversion::from_id ("rec709").conversion;
350 vector<AudioStreamPtr>
351 FFmpegContent::audio_streams () const
353 boost::mutex::scoped_lock lm (_mutex);
355 vector<AudioStreamPtr> s;
356 copy (_audio_streams.begin(), _audio_streams.end(), back_inserter (s));
361 FFmpegContent::add_properties (list<pair<string, string> >& p) const
363 VideoContent::add_properties (p);
365 int const sub = 219 * pow (2, _bits_per_pixel - 8);
366 int const total = pow (2, _bits_per_pixel);
368 switch (_color_range) {
369 case AVCOL_RANGE_UNSPECIFIED:
370 p.push_back (make_pair (_("Colour range"), _("Unspecified")));
372 case AVCOL_RANGE_MPEG:
373 p.push_back (make_pair (_("Colour range"), String::compose ("Limited (%1-%2)", (total - sub) / 2, (total + sub) / 2)));
375 case AVCOL_RANGE_JPEG:
376 p.push_back (make_pair (_("Colour range"), String::compose ("Full (0-total)", (total - sub) / 2, (total + sub) / 2)));
379 DCPOMATIC_ASSERT (false);
382 char const * primaries[] = {
389 _("SMPTE 170M (BT601)"),
395 DCPOMATIC_ASSERT (AVCOL_PRI_NB == 10);
396 p.push_back (make_pair (_("Colour primaries"), primaries[_color_primaries]));
398 char const * transfers[] = {
403 _("Gamma 22 (BT470M)"),
404 _("Gamma 28 (BT470BG)"),
405 _("SMPTE 170M (BT601)"),
408 _("Logarithmic (100:1 range)"),
409 _("Logarithmic (316:1 range)"),
411 _("BT1361 extended colour gamut"),
412 _("IEC61966-2-1 (sRGB or sYCC)"),
413 _("BT2020 for a 10-bit system"),
414 _("BT2020 for a 12-bit system")
417 DCPOMATIC_ASSERT (AVCOL_TRC_NB == 16);
418 p.push_back (make_pair (_("Colour transfer characteristic"), transfers[_color_trc]));
420 char const * spaces[] = {
421 _("RGB / sRGB (IEC61966-2-1)"),
426 _("BT470BG (BT601-6)"),
427 _("SMPTE 170M (BT601-6)"),
430 _("BT2020 non-constant luminance"),
431 _("BT2020 constant luminance"),
434 DCPOMATIC_ASSERT (AVCOL_SPC_NB == 11);
435 p.push_back (make_pair (_("Colourspace"), spaces[_colorspace]));
437 p.push_back (make_pair (_("Bits per pixel"), raw_convert<string> (_bits_per_pixel)));