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 <libxml++/libxml++.h>
40 #include <boost/foreach.hpp>
45 #define LOG_GENERAL(...) film->log()->log (String::compose (__VA_ARGS__), LogEntry::TYPE_GENERAL);
53 using boost::shared_ptr;
54 using boost::dynamic_pointer_cast;
55 using boost::optional;
57 int const FFmpegContentProperty::SUBTITLE_STREAMS = 100;
58 int const FFmpegContentProperty::SUBTITLE_STREAM = 101;
59 int const FFmpegContentProperty::FILTERS = 102;
61 FFmpegContent::FFmpegContent (shared_ptr<const Film> film, boost::filesystem::path p)
63 , VideoContent (film, p)
64 , AudioContent (film, p)
65 , SubtitleContent (film, p)
70 FFmpegContent::FFmpegContent (shared_ptr<const Film> film, cxml::ConstNodePtr node, int version, list<string>& notes)
71 : Content (film, node)
72 , VideoContent (film, node, version)
73 , AudioContent (film, node)
74 , SubtitleContent (film, node, version)
76 list<cxml::NodePtr> c = node->node_children ("SubtitleStream");
77 for (list<cxml::NodePtr>::const_iterator i = c.begin(); i != c.end(); ++i) {
78 _subtitle_streams.push_back (shared_ptr<FFmpegSubtitleStream> (new FFmpegSubtitleStream (*i, version)));
79 if ((*i)->optional_number_child<int> ("Selected")) {
80 _subtitle_stream = _subtitle_streams.back ();
84 c = node->node_children ("AudioStream");
85 for (list<cxml::NodePtr>::const_iterator i = c.begin(); i != c.end(); ++i) {
86 _audio_streams.push_back (shared_ptr<FFmpegAudioStream> (new FFmpegAudioStream (*i, version)));
87 if (version < 11 && !(*i)->optional_node_child ("Selected")) {
88 /* This is an old file and this stream is not selected, so un-map it */
89 _audio_streams.back()->set_mapping (AudioMapping (_audio_streams.back()->channels (), MAX_DCP_AUDIO_CHANNELS));
93 c = node->node_children ("Filter");
94 for (list<cxml::NodePtr>::iterator i = c.begin(); i != c.end(); ++i) {
95 Filter const * f = Filter::from_id ((*i)->content ());
97 _filters.push_back (f);
99 notes.push_back (String::compose (_("DCP-o-matic no longer supports the `%1' filter, so it has been turned off."), (*i)->content()));
103 optional<ContentTime::Type> const f = node->optional_number_child<ContentTime::Type> ("FirstVideo");
105 _first_video = ContentTime (f.get ());
108 _color_range = static_cast<AVColorRange> (node->optional_number_child<int>("ColorRange").get_value_or (AVCOL_RANGE_UNSPECIFIED));
109 _color_primaries = static_cast<AVColorPrimaries> (node->optional_number_child<int>("ColorPrimaries").get_value_or (AVCOL_PRI_UNSPECIFIED));
110 _color_trc = static_cast<AVColorTransferCharacteristic> (
111 node->optional_number_child<int>("ColorTransferCharacteristic").get_value_or (AVCOL_TRC_UNSPECIFIED)
113 _colorspace = static_cast<AVColorSpace> (node->optional_number_child<int>("Colorspace").get_value_or (AVCOL_SPC_UNSPECIFIED));
114 _bits_per_pixel = node->optional_number_child<int> ("BitsPerPixel");
118 FFmpegContent::FFmpegContent (shared_ptr<const Film> film, vector<boost::shared_ptr<Content> > c)
120 , VideoContent (film, c)
121 , AudioContent (film, c)
122 , SubtitleContent (film, c)
124 shared_ptr<FFmpegContent> ref = dynamic_pointer_cast<FFmpegContent> (c[0]);
125 DCPOMATIC_ASSERT (ref);
127 for (size_t i = 0; i < c.size(); ++i) {
128 shared_ptr<FFmpegContent> fc = dynamic_pointer_cast<FFmpegContent> (c[i]);
129 if (fc->use_subtitles() && *(fc->_subtitle_stream.get()) != *(ref->_subtitle_stream.get())) {
130 throw JoinError (_("Content to be joined must use the same subtitle stream."));
134 _subtitle_streams = ref->subtitle_streams ();
135 _subtitle_stream = ref->subtitle_stream ();
136 _audio_streams = ref->ffmpeg_audio_streams ();
137 _first_video = ref->_first_video;
141 FFmpegContent::as_xml (xmlpp::Node* node) const
143 node->add_child("Type")->add_child_text ("FFmpeg");
144 Content::as_xml (node);
145 VideoContent::as_xml (node);
146 AudioContent::as_xml (node);
147 SubtitleContent::as_xml (node);
149 boost::mutex::scoped_lock lm (_mutex);
151 for (vector<shared_ptr<FFmpegSubtitleStream> >::const_iterator i = _subtitle_streams.begin(); i != _subtitle_streams.end(); ++i) {
152 xmlpp::Node* t = node->add_child("SubtitleStream");
153 if (_subtitle_stream && *i == _subtitle_stream) {
154 t->add_child("Selected")->add_child_text("1");
159 for (vector<shared_ptr<FFmpegAudioStream> >::const_iterator i = _audio_streams.begin(); i != _audio_streams.end(); ++i) {
160 (*i)->as_xml (node->add_child("AudioStream"));
163 for (vector<Filter const *>::const_iterator i = _filters.begin(); i != _filters.end(); ++i) {
164 node->add_child("Filter")->add_child_text ((*i)->id ());
168 node->add_child("FirstVideo")->add_child_text (raw_convert<string> (_first_video.get().get()));
171 node->add_child("ColorRange")->add_child_text (raw_convert<string> (_color_range));
172 node->add_child("ColorPrimaries")->add_child_text (raw_convert<string> (_color_primaries));
173 node->add_child("ColorTransferCharacteristic")->add_child_text (raw_convert<string> (_color_trc));
174 node->add_child("Colorspace")->add_child_text (raw_convert<string> (_colorspace));
175 if (_bits_per_pixel) {
176 node->add_child("BitsPerPixel")->add_child_text (raw_convert<string> (_bits_per_pixel.get ()));
181 FFmpegContent::examine (shared_ptr<Job> job)
183 job->set_progress_unknown ();
185 Content::examine (job);
187 shared_ptr<FFmpegExaminer> examiner (new FFmpegExaminer (shared_from_this (), job));
188 take_from_video_examiner (examiner);
191 boost::mutex::scoped_lock lm (_mutex);
193 _subtitle_streams = examiner->subtitle_streams ();
194 if (!_subtitle_streams.empty ()) {
195 _subtitle_stream = _subtitle_streams.front ();
198 _audio_streams = examiner->audio_streams ();
200 if (!_audio_streams.empty ()) {
201 AudioMapping m = _audio_streams.front()->mapping ();
202 film()->make_audio_mapping_default (m);
203 _audio_streams.front()->set_mapping (m);
206 _first_video = examiner->first_video ();
208 _color_range = examiner->color_range ();
209 _color_primaries = examiner->color_primaries ();
210 _color_trc = examiner->color_trc ();
211 _colorspace = examiner->colorspace ();
212 _bits_per_pixel = examiner->bits_per_pixel ();
215 signal_changed (FFmpegContentProperty::SUBTITLE_STREAMS);
216 signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
217 signal_changed (AudioContentProperty::AUDIO_STREAMS);
221 FFmpegContent::summary () const
223 /* Get the string() here so that the name does not have quotes around it */
224 return String::compose (_("%1 [movie]"), path_summary ());
228 FFmpegContent::technical_summary () const
231 BOOST_FOREACH (shared_ptr<FFmpegAudioStream> i, ffmpeg_audio_streams ()) {
232 as += i->technical_summary () + " " ;
240 if (_subtitle_stream) {
241 ss = _subtitle_stream->technical_summary ();
244 string filt = Filter::ffmpeg_string (_filters);
246 return Content::technical_summary() + " - "
247 + VideoContent::technical_summary() + " - "
248 + AudioContent::technical_summary() + " - "
250 "ffmpeg: audio %1 subtitle %2 filters %3", as, ss, filt
255 FFmpegContent::set_subtitle_stream (shared_ptr<FFmpegSubtitleStream> s)
258 boost::mutex::scoped_lock lm (_mutex);
259 _subtitle_stream = s;
262 signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
266 operator== (FFmpegStream const & a, FFmpegStream const & b)
268 return a._id == b._id;
272 operator!= (FFmpegStream const & a, FFmpegStream const & b)
274 return a._id != b._id;
278 FFmpegContent::full_length () const
280 FrameRateChange const frc (video_frame_rate (), film()->video_frame_rate ());
281 return DCPTime::from_frames (llrint (video_length_after_3d_combine() * frc.factor()), film()->video_frame_rate());
285 FFmpegContent::set_filters (vector<Filter const *> const & filters)
288 boost::mutex::scoped_lock lm (_mutex);
292 signal_changed (FFmpegContentProperty::FILTERS);
296 FFmpegContent::identifier () const
300 s << VideoContent::identifier() << "_"
301 << SubtitleContent::identifier();
303 boost::mutex::scoped_lock lm (_mutex);
305 if (_subtitle_stream) {
306 s << "_" << _subtitle_stream->identifier ();
309 for (vector<Filter const *>::const_iterator i = _filters.begin(); i != _filters.end(); ++i) {
310 s << "_" << (*i)->id ();
316 list<ContentTimePeriod>
317 FFmpegContent::subtitles_during (ContentTimePeriod period, bool starting) const
319 shared_ptr<FFmpegSubtitleStream> stream = subtitle_stream ();
321 return list<ContentTimePeriod> ();
324 return stream->subtitles_during (period, starting);
328 FFmpegContent::has_text_subtitles () const
334 FFmpegContent::has_image_subtitles () const
336 return !subtitle_streams().empty ();
340 FFmpegContent::set_default_colour_conversion ()
342 dcp::Size const s = video_size ();
344 boost::mutex::scoped_lock lm (_mutex);
346 if (s.width < 1080) {
347 _colour_conversion = PresetColourConversion::from_id ("rec601").conversion;
349 _colour_conversion = PresetColourConversion::from_id ("rec709").conversion;
353 vector<AudioStreamPtr>
354 FFmpegContent::audio_streams () const
356 boost::mutex::scoped_lock lm (_mutex);
358 vector<AudioStreamPtr> s;
359 copy (_audio_streams.begin(), _audio_streams.end(), back_inserter (s));
364 FFmpegContent::add_properties (list<pair<string, string> >& p) const
366 VideoContent::add_properties (p);
368 if (_bits_per_pixel) {
369 int const sub = 219 * pow (2, _bits_per_pixel.get() - 8);
370 int const total = pow (2, _bits_per_pixel.get());
372 switch (_color_range) {
373 case AVCOL_RANGE_UNSPECIFIED:
374 /// TRANSLATORS: this means that the range of pixel values used in this
375 /// file is unknown (not specified in the file).
376 p.push_back (make_pair (_("Colour range"), _("Unspecified")));
378 case AVCOL_RANGE_MPEG:
379 /// TRANSLATORS: this means that the range of pixel values used in this
380 /// file is limited, so that not all possible values are valid.
381 p.push_back (make_pair (_("Colour range"), String::compose (_("Limited (%1-%2)"), (total - sub) / 2, (total + sub) / 2)));
383 case AVCOL_RANGE_JPEG:
384 /// TRANSLATORS: this means that the range of pixel values used in this
385 /// file is full, so that all possible pixel values are valid.
386 p.push_back (make_pair (_("Colour range"), String::compose (_("Full (0-%1)"), total)));
389 DCPOMATIC_ASSERT (false);
392 switch (_color_range) {
393 case AVCOL_RANGE_UNSPECIFIED:
394 /// TRANSLATORS: this means that the range of pixel values used in this
395 /// file is unknown (not specified in the file).
396 p.push_back (make_pair (_("Colour range"), _("Unspecified")));
398 case AVCOL_RANGE_MPEG:
399 /// TRANSLATORS: this means that the range of pixel values used in this
400 /// file is limited, so that not all possible values are valid.
401 p.push_back (make_pair (_("Colour range"), _("Limited")));
403 case AVCOL_RANGE_JPEG:
404 /// TRANSLATORS: this means that the range of pixel values used in this
405 /// file is full, so that all possible pixel values are valid.
406 p.push_back (make_pair (_("Colour range"), _("Full")));
409 DCPOMATIC_ASSERT (false);
413 char const * primaries[] = {
420 _("SMPTE 170M (BT601)"),
426 DCPOMATIC_ASSERT (AVCOL_PRI_NB == 10);
427 p.push_back (make_pair (_("Colour primaries"), primaries[_color_primaries]));
429 char const * transfers[] = {
434 _("Gamma 22 (BT470M)"),
435 _("Gamma 28 (BT470BG)"),
436 _("SMPTE 170M (BT601)"),
439 _("Logarithmic (100:1 range)"),
440 _("Logarithmic (316:1 range)"),
442 _("BT1361 extended colour gamut"),
443 _("IEC61966-2-1 (sRGB or sYCC)"),
444 _("BT2020 for a 10-bit system"),
445 _("BT2020 for a 12-bit system")
448 DCPOMATIC_ASSERT (AVCOL_TRC_NB == 16);
449 p.push_back (make_pair (_("Colour transfer characteristic"), transfers[_color_trc]));
451 char const * spaces[] = {
452 _("RGB / sRGB (IEC61966-2-1)"),
457 _("BT470BG (BT601-6)"),
458 _("SMPTE 170M (BT601-6)"),
461 _("BT2020 non-constant luminance"),
462 _("BT2020 constant luminance"),
465 DCPOMATIC_ASSERT (AVCOL_SPC_NB == 11);
466 p.push_back (make_pair (_("Colourspace"), spaces[_colorspace]));
468 if (_bits_per_pixel) {
469 p.push_back (make_pair (_("Bits per pixel"), raw_convert<string> (_bits_per_pixel.get ())));