+/*
+ Copyright (C) 2013-2016 Carl Hetherington <cth@carlh.net>
+
+ This file is part of DCP-o-matic.
+
+ DCP-o-matic is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ DCP-o-matic is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
#include "ffmpeg_content.h"
-#include "ffmpeg_decoder.h"
-#include "options.h"
+#include "video_content.h"
+#include "audio_content.h"
+#include "ffmpeg_examiner.h"
+#include "ffmpeg_subtitle_stream.h"
+#include "ffmpeg_audio_stream.h"
#include "compose.hpp"
#include "job.h"
#include "util.h"
+#include "filter.h"
+#include "film.h"
#include "log.h"
+#include "exceptions.h"
+#include "frame_rate_change.h"
+#include "subtitle_content.h"
+#include <dcp/raw_convert.h>
+#include <libcxml/cxml.h>
+extern "C" {
+#include <libavformat/avformat.h>
+#include <libavutil/pixdesc.h>
+}
+#include <libxml++/libxml++.h>
+#include <boost/foreach.hpp>
+#include <iostream>
#include "i18n.h"
+#define LOG_GENERAL(...) film->log()->log (String::compose (__VA_ARGS__), LogEntry::TYPE_GENERAL);
+
using std::string;
+using std::vector;
+using std::list;
+using std::cout;
+using std::pair;
+using std::make_pair;
+using std::max;
using boost::shared_ptr;
+using boost::dynamic_pointer_cast;
+using boost::optional;
+using dcp::raw_convert;
int const FFmpegContentProperty::SUBTITLE_STREAMS = 100;
int const FFmpegContentProperty::SUBTITLE_STREAM = 101;
-int const FFmpegContentProperty::AUDIO_STREAMS = 102;
-int const FFmpegContentProperty::AUDIO_STREAM = 103;
+int const FFmpegContentProperty::FILTERS = 102;
+
+FFmpegContent::FFmpegContent (shared_ptr<const Film> film, boost::filesystem::path p)
+ : Content (film, p)
+{
-FFmpegContent::FFmpegContent (boost::filesystem::path f)
- : Content (f)
- , VideoContent (f)
- , AudioContent (f)
+}
+
+FFmpegContent::FFmpegContent (shared_ptr<const Film> film, cxml::ConstNodePtr node, int version, list<string>& notes)
+ : Content (film, node)
{
+ video = VideoContent::from_xml (this, node, version);
+ audio = AudioContent::from_xml (this, node, version);
+ subtitle = SubtitleContent::from_xml (this, node, version);
+
+ list<cxml::NodePtr> c = node->node_children ("SubtitleStream");
+ for (list<cxml::NodePtr>::const_iterator i = c.begin(); i != c.end(); ++i) {
+ _subtitle_streams.push_back (shared_ptr<FFmpegSubtitleStream> (new FFmpegSubtitleStream (*i, version)));
+ if ((*i)->optional_number_child<int> ("Selected")) {
+ _subtitle_stream = _subtitle_streams.back ();
+ }
+ }
+
+ c = node->node_children ("AudioStream");
+ for (list<cxml::NodePtr>::const_iterator i = c.begin(); i != c.end(); ++i) {
+ shared_ptr<FFmpegAudioStream> as (new FFmpegAudioStream (*i, version));
+ audio->add_stream (as);
+ if (version < 11 && !(*i)->optional_node_child ("Selected")) {
+ /* This is an old file and this stream is not selected, so un-map it */
+ as->set_mapping (AudioMapping (as->channels (), MAX_DCP_AUDIO_CHANNELS));
+ }
+ }
+
+ c = node->node_children ("Filter");
+ for (list<cxml::NodePtr>::iterator i = c.begin(); i != c.end(); ++i) {
+ Filter const * f = Filter::from_id ((*i)->content ());
+ if (f) {
+ _filters.push_back (f);
+ } else {
+ notes.push_back (String::compose (_("DCP-o-matic no longer supports the `%1' filter, so it has been turned off."), (*i)->content()));
+ }
+ }
+
+ optional<ContentTime::Type> const f = node->optional_number_child<ContentTime::Type> ("FirstVideo");
+ if (f) {
+ _first_video = ContentTime (f.get ());
+ }
+
+ _color_range = static_cast<AVColorRange> (node->optional_number_child<int>("ColorRange").get_value_or (AVCOL_RANGE_UNSPECIFIED));
+ _color_primaries = static_cast<AVColorPrimaries> (node->optional_number_child<int>("ColorPrimaries").get_value_or (AVCOL_PRI_UNSPECIFIED));
+ _color_trc = static_cast<AVColorTransferCharacteristic> (
+ node->optional_number_child<int>("ColorTransferCharacteristic").get_value_or (AVCOL_TRC_UNSPECIFIED)
+ );
+ _colorspace = static_cast<AVColorSpace> (node->optional_number_child<int>("Colorspace").get_value_or (AVCOL_SPC_UNSPECIFIED));
+ _bits_per_pixel = node->optional_number_child<int> ("BitsPerPixel");
}
+FFmpegContent::FFmpegContent (shared_ptr<const Film> film, vector<shared_ptr<Content> > c)
+ : Content (film, c)
+{
+ vector<shared_ptr<Content> >::const_iterator i = c.begin ();
+
+ bool need_video = false;
+ bool need_audio = false;
+ bool need_subtitle = false;
+
+ if (i != c.end ()) {
+ need_video = static_cast<bool> ((*i)->video);
+ need_audio = static_cast<bool> ((*i)->audio);
+ need_subtitle = static_cast<bool> ((*i)->subtitle);
+ }
+
+ while (i != c.end ()) {
+ if (need_video != static_cast<bool> ((*i)->video)) {
+ throw JoinError (_("Content to be joined must all have or not have video"));
+ }
+ if (need_audio != static_cast<bool> ((*i)->audio)) {
+ throw JoinError (_("Content to be joined must all have or not have audio"));
+ }
+ if (need_subtitle != static_cast<bool> ((*i)->subtitle)) {
+ throw JoinError (_("Content to be joined must all have or not have subtitles"));
+ }
+ ++i;
+ }
+
+ if (need_video) {
+ video.reset (new VideoContent (this, c));
+ }
+ if (need_audio) {
+ audio.reset (new AudioContent (this, c));
+ }
+ if (need_subtitle) {
+ subtitle.reset (new SubtitleContent (this, c));
+ }
+
+ shared_ptr<FFmpegContent> ref = dynamic_pointer_cast<FFmpegContent> (c[0]);
+ DCPOMATIC_ASSERT (ref);
+
+ for (size_t i = 0; i < c.size(); ++i) {
+ shared_ptr<FFmpegContent> fc = dynamic_pointer_cast<FFmpegContent> (c[i]);
+ if (fc->subtitle && fc->subtitle->use() && *(fc->_subtitle_stream.get()) != *(ref->_subtitle_stream.get())) {
+ throw JoinError (_("Content to be joined must use the same subtitle stream."));
+ }
+ }
+
+ /* XXX: should probably check that more of the stuff below is the same in *this and ref */
+
+ _subtitle_streams = ref->subtitle_streams ();
+ _subtitle_stream = ref->subtitle_stream ();
+ _first_video = ref->_first_video;
+ _filters = ref->_filters;
+ _color_range = ref->_color_range;
+ _color_primaries = ref->_color_primaries;
+ _color_trc = ref->_color_trc;
+ _colorspace = ref->_colorspace;
+ _bits_per_pixel = ref->_bits_per_pixel;
+}
+
void
-FFmpegContent::examine (shared_ptr<Film> film, shared_ptr<Job> job, bool quick)
+FFmpegContent::as_xml (xmlpp::Node* node, bool with_paths) const
{
- job->descend (0.5);
- Content::examine (film, job, quick);
- job->ascend ();
+ node->add_child("Type")->add_child_text ("FFmpeg");
+ Content::as_xml (node, with_paths);
+
+ if (video) {
+ video->as_xml (node);
+ }
+
+ if (audio) {
+ audio->as_xml (node);
+
+ BOOST_FOREACH (AudioStreamPtr i, audio->streams ()) {
+ shared_ptr<FFmpegAudioStream> f = dynamic_pointer_cast<FFmpegAudioStream> (i);
+ DCPOMATIC_ASSERT (f);
+ f->as_xml (node->add_child("AudioStream"));
+ }
+ }
+
+ if (subtitle) {
+ subtitle->as_xml (node);
+ }
+
+ boost::mutex::scoped_lock lm (_mutex);
+ for (vector<shared_ptr<FFmpegSubtitleStream> >::const_iterator i = _subtitle_streams.begin(); i != _subtitle_streams.end(); ++i) {
+ xmlpp::Node* t = node->add_child("SubtitleStream");
+ if (_subtitle_stream && *i == _subtitle_stream) {
+ t->add_child("Selected")->add_child_text("1");
+ }
+ (*i)->as_xml (t);
+ }
+
+ for (vector<Filter const *>::const_iterator i = _filters.begin(); i != _filters.end(); ++i) {
+ node->add_child("Filter")->add_child_text ((*i)->id ());
+ }
+
+ if (_first_video) {
+ node->add_child("FirstVideo")->add_child_text (raw_convert<string> (_first_video.get().get()));
+ }
+
+ node->add_child("ColorRange")->add_child_text (raw_convert<string> (static_cast<int> (_color_range)));
+ node->add_child("ColorPrimaries")->add_child_text (raw_convert<string> (static_cast<int> (_color_primaries)));
+ node->add_child("ColorTransferCharacteristic")->add_child_text (raw_convert<string> (static_cast<int> (_color_trc)));
+ node->add_child("Colorspace")->add_child_text (raw_convert<string> (static_cast<int> (_colorspace)));
+ if (_bits_per_pixel) {
+ node->add_child("BitsPerPixel")->add_child_text (raw_convert<string> (_bits_per_pixel.get ()));
+ }
+}
+
+void
+FFmpegContent::examine (shared_ptr<Job> job)
+{
job->set_progress_unknown ();
- DecodeOptions o;
- o.decode_audio = false;
- shared_ptr<FFmpegDecoder> decoder (new FFmpegDecoder (film, shared_from_this (), o));
+ Content::examine (job);
+
+ shared_ptr<FFmpegExaminer> examiner (new FFmpegExaminer (shared_from_this (), job));
+
+ if (examiner->has_video ()) {
+ video.reset (new VideoContent (this));
+ video->take_from_examiner (examiner);
+ }
+
+ boost::filesystem::path first_path = path (0);
+
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+
+ if (examiner->has_video ()) {
+ _first_video = examiner->first_video ();
+ _color_range = examiner->color_range ();
+ _color_primaries = examiner->color_primaries ();
+ _color_trc = examiner->color_trc ();
+ _colorspace = examiner->colorspace ();
+ _bits_per_pixel = examiner->bits_per_pixel ();
+ }
- ContentVideoFrame video_length = 0;
- if (quick) {
- video_length = decoder->video_length ();
- film->log()->log (String::compose ("Video length obtained from header as %1 frames", decoder->video_length ()));
- } else {
- while (!decoder->pass ()) {
- /* keep going */
- }
+ if (!examiner->audio_streams().empty ()) {
+ audio.reset (new AudioContent (this));
- video_length = decoder->video_frame ();
- film->log()->log (String::compose ("Video length examined as %1 frames", decoder->video_frame ()));
- }
+ BOOST_FOREACH (shared_ptr<FFmpegAudioStream> i, examiner->audio_streams ()) {
+ audio->add_stream (i);
+ }
- {
- boost::mutex::scoped_lock lm (_mutex);
+ AudioStreamPtr as = audio->streams().front();
+ AudioMapping m = as->mapping ();
+ film()->make_audio_mapping_default (m, first_path);
+ as->set_mapping (m);
+ }
- _video_length = video_length;
+ _subtitle_streams = examiner->subtitle_streams ();
+ if (!_subtitle_streams.empty ()) {
+ subtitle.reset (new SubtitleContent (this));
+ _subtitle_stream = _subtitle_streams.front ();
+ }
- _subtitle_streams = decoder->subtitle_streams ();
- if (!_subtitle_streams.empty ()) {
- _subtitle_stream = _subtitle_streams.front ();
- }
-
- _audio_streams = decoder->audio_streams ();
- if (!_audio_streams.empty ()) {
- _audio_stream = _audio_streams.front ();
- }
- }
+ }
- take_from_video_decoder (decoder);
+ if (examiner->has_video ()) {
+ set_default_colour_conversion ();
+ }
- Changed (VideoContentProperty::VIDEO_LENGTH);
- Changed (FFmpegContentProperty::SUBTITLE_STREAMS);
- Changed (FFmpegContentProperty::SUBTITLE_STREAM);
- Changed (FFmpegContentProperty::AUDIO_STREAMS);
- Changed (FFmpegContentProperty::AUDIO_STREAM);
+ signal_changed (FFmpegContentProperty::SUBTITLE_STREAMS);
+ signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
}
string
FFmpegContent::summary () const
{
- return String::compose (_("Movie: %1"), file().filename ());
+ if (video && audio) {
+ return String::compose (_("%1 [movie]"), path_summary ());
+ } else if (video) {
+ return String::compose (_("%1 [video]"), path_summary ());
+ } else if (audio) {
+ return String::compose (_("%1 [audio]"), path_summary ());
+ }
+
+ return path_summary ();
}
-void
-FFmpegContent::set_subtitle_stream (FFmpegSubtitleStream s)
+string
+FFmpegContent::technical_summary () const
{
- {
- boost::mutex::scoped_lock lm (_mutex);
- _subtitle_stream = s;
- }
+ string as = "";
+ BOOST_FOREACH (shared_ptr<FFmpegAudioStream> i, ffmpeg_audio_streams ()) {
+ as += i->technical_summary () + " " ;
+ }
+
+ if (as.empty ()) {
+ as = "none";
+ }
+
+ string ss = "none";
+ if (_subtitle_stream) {
+ ss = _subtitle_stream->technical_summary ();
+ }
+
+ string filt = Filter::ffmpeg_string (_filters);
- Changed (FFmpegContentProperty::SUBTITLE_STREAM);
+ string s = Content::technical_summary ();
+
+ if (video) {
+ s += " - " + video->technical_summary ();
+ }
+
+ if (audio) {
+ s += " - " + audio->technical_summary ();
+ }
+
+ return s + String::compose (
+ "ffmpeg: audio %1 subtitle %2 filters %3", as, ss, filt
+ );
}
void
-FFmpegContent::set_audio_stream (FFmpegAudioStream s)
+FFmpegContent::set_subtitle_stream (shared_ptr<FFmpegSubtitleStream> s)
{
- {
- boost::mutex::scoped_lock lm (_mutex);
- _audio_stream = s;
- }
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ _subtitle_stream = s;
+ }
- Changed (FFmpegContentProperty::AUDIO_STREAM);
+ signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
}
-ContentAudioFrame
-FFmpegContent::audio_length () const
+bool
+operator== (FFmpegStream const & a, FFmpegStream const & b)
{
- if (!_audio_stream) {
- return 0;
- }
-
- return video_frames_to_audio_frames (_video_length, audio_frame_rate(), video_frame_rate());
+ return a._id == b._id;
}
-int
-FFmpegContent::audio_channels () const
+bool
+operator!= (FFmpegStream const & a, FFmpegStream const & b)
{
- if (!_audio_stream) {
- return 0;
- }
+ return a._id != b._id;
+}
- return _audio_stream->channels ();
+DCPTime
+FFmpegContent::full_length () const
+{
+ FrameRateChange const frc (active_video_frame_rate (), film()->video_frame_rate ());
+ if (video) {
+ return DCPTime::from_frames (llrint (video->length_after_3d_combine() * frc.factor()), film()->video_frame_rate());
+ }
+
+ DCPOMATIC_ASSERT (audio);
+
+ DCPTime longest;
+ BOOST_FOREACH (AudioStreamPtr i, audio->streams ()) {
+ longest = max (longest, DCPTime::from_frames (llrint (i->length() / frc.speed_up), i->frame_rate()));
+ }
+
+ return longest;
}
-int
-FFmpegContent::audio_frame_rate () const
+void
+FFmpegContent::set_filters (vector<Filter const *> const & filters)
{
- if (!_audio_stream) {
- return 0;
- }
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ _filters = filters;
+ }
- return _audio_stream->frame_rate;
+ signal_changed (FFmpegContentProperty::FILTERS);
}
-int64_t
-FFmpegContent::audio_channel_layout () const
+string
+FFmpegContent::identifier () const
{
- if (!_audio_stream) {
- return 0;
- }
+ string s = Content::identifier();
+
+ if (video) {
+ s += "_" + video->identifier();
+ }
- return _audio_stream->channel_layout;
+ if (subtitle && subtitle->use() && subtitle->burn()) {
+ s += "_" + subtitle->identifier();
+ }
+
+ boost::mutex::scoped_lock lm (_mutex);
+
+ if (_subtitle_stream) {
+ s += "_" + _subtitle_stream->identifier ();
+ }
+
+ for (vector<Filter const *>::const_iterator i = _filters.begin(); i != _filters.end(); ++i) {
+ s += "_" + (*i)->id ();
+ }
+
+ return s;
}
-
-bool
-operator== (FFmpegSubtitleStream const & a, FFmpegSubtitleStream const & b)
+
+void
+FFmpegContent::set_default_colour_conversion ()
{
- return a.id == b.id;
+ DCPOMATIC_ASSERT (video);
+
+ dcp::Size const s = video->size ();
+
+ boost::mutex::scoped_lock lm (_mutex);
+
+ switch (_colorspace) {
+ case AVCOL_SPC_RGB:
+ video->set_colour_conversion (PresetColourConversion::from_id ("srgb").conversion);
+ break;
+ case AVCOL_SPC_BT709:
+ video->set_colour_conversion (PresetColourConversion::from_id ("rec709").conversion);
+ break;
+ case AVCOL_SPC_BT470BG:
+ case AVCOL_SPC_SMPTE170M:
+ case AVCOL_SPC_SMPTE240M:
+ video->set_colour_conversion (PresetColourConversion::from_id ("rec601").conversion);
+ break;
+ case AVCOL_SPC_BT2020_CL:
+ case AVCOL_SPC_BT2020_NCL:
+ video->set_colour_conversion (PresetColourConversion::from_id ("rec2020").conversion);
+ break;
+ default:
+ if (s.width < 1080) {
+ video->set_colour_conversion (PresetColourConversion::from_id ("rec601").conversion);
+ } else {
+ video->set_colour_conversion (PresetColourConversion::from_id ("rec709").conversion);
+ }
+ break;
+ }
}
-bool
-operator== (FFmpegAudioStream const & a, FFmpegAudioStream const & b)
+void
+FFmpegContent::add_properties (list<UserProperty>& p) const
{
- return a.id == b.id;
+ Content::add_properties (p);
+
+ if (video) {
+ video->add_properties (p);
+
+ if (_bits_per_pixel) {
+ int const sub = 219 * pow (2, _bits_per_pixel.get() - 8);
+ int const total = pow (2, _bits_per_pixel.get());
+
+ switch (_color_range) {
+ case AVCOL_RANGE_UNSPECIFIED:
+ /// TRANSLATORS: this means that the range of pixel values used in this
+ /// file is unknown (not specified in the file).
+ p.push_back (UserProperty (UserProperty::VIDEO, _("Colour range"), _("Unspecified")));
+ break;
+ case AVCOL_RANGE_MPEG:
+ /// TRANSLATORS: this means that the range of pixel values used in this
+ /// file is limited, so that not all possible values are valid.
+ p.push_back (
+ UserProperty (
+ UserProperty::VIDEO, _("Colour range"), String::compose (_("Limited (%1-%2)"), (total - sub) / 2, (total + sub) / 2)
+ )
+ );
+ break;
+ case AVCOL_RANGE_JPEG:
+ /// TRANSLATORS: this means that the range of pixel values used in this
+ /// file is full, so that all possible pixel values are valid.
+ p.push_back (UserProperty (UserProperty::VIDEO, _("Colour range"), String::compose (_("Full (0-%1)"), total)));
+ break;
+ default:
+ DCPOMATIC_ASSERT (false);
+ }
+ } else {
+ switch (_color_range) {
+ case AVCOL_RANGE_UNSPECIFIED:
+ /// TRANSLATORS: this means that the range of pixel values used in this
+ /// file is unknown (not specified in the file).
+ p.push_back (UserProperty (UserProperty::VIDEO, _("Colour range"), _("Unspecified")));
+ break;
+ case AVCOL_RANGE_MPEG:
+ /// TRANSLATORS: this means that the range of pixel values used in this
+ /// file is limited, so that not all possible values are valid.
+ p.push_back (UserProperty (UserProperty::VIDEO, _("Colour range"), _("Limited")));
+ break;
+ case AVCOL_RANGE_JPEG:
+ /// TRANSLATORS: this means that the range of pixel values used in this
+ /// file is full, so that all possible pixel values are valid.
+ p.push_back (UserProperty (UserProperty::VIDEO, _("Colour range"), _("Full")));
+ break;
+ default:
+ DCPOMATIC_ASSERT (false);
+ }
+ }
+
+ char const * primaries[] = {
+ _("Unspecified"),
+ _("BT709"),
+ _("Unspecified"),
+ _("Unspecified"),
+ _("BT470M"),
+ _("BT470BG"),
+ _("SMPTE 170M (BT601)"),
+ _("SMPTE 240M"),
+ _("Film"),
+ _("BT2020"),
+ _("SMPTE ST 428-1 (CIE 1931 XYZ)"),
+ _("SMPTE ST 431-2 (2011)"),
+ _("SMPTE ST 432-1 D65 (2010)")
+ };
+
+ DCPOMATIC_ASSERT (AVCOL_PRI_NB <= 13);
+ p.push_back (UserProperty (UserProperty::VIDEO, _("Colour primaries"), primaries[_color_primaries]));
+
+ char const * transfers[] = {
+ _("Unspecified"),
+ _("BT709"),
+ _("Unspecified"),
+ _("Unspecified"),
+ _("Gamma 22 (BT470M)"),
+ _("Gamma 28 (BT470BG)"),
+ _("SMPTE 170M (BT601)"),
+ _("SMPTE 240M"),
+ _("Linear"),
+ _("Logarithmic (100:1 range)"),
+ _("Logarithmic (316:1 range)"),
+ _("IEC61966-2-4"),
+ _("BT1361 extended colour gamut"),
+ _("IEC61966-2-1 (sRGB or sYCC)"),
+ _("BT2020 for a 10-bit system"),
+ _("BT2020 for a 12-bit system"),
+ _("SMPTE ST 2084 for 10, 12, 14 and 16 bit systems"),
+ _("SMPTE ST 428-1"),
+ _("ARIB STD-B67 ('Hybrid log-gamma')")
+ };
+
+ DCPOMATIC_ASSERT (AVCOL_TRC_NB <= 19);
+ p.push_back (UserProperty (UserProperty::VIDEO, _("Colour transfer characteristic"), transfers[_color_trc]));
+
+ char const * spaces[] = {
+ _("RGB / sRGB (IEC61966-2-1)"),
+ _("BT709"),
+ _("Unspecified"),
+ _("Unspecified"),
+ _("FCC"),
+ _("BT470BG (BT601-6)"),
+ _("SMPTE 170M (BT601-6)"),
+ _("SMPTE 240M"),
+ _("YCOCG"),
+ _("BT2020 non-constant luminance"),
+ _("BT2020 constant luminance"),
+ _("SMPTE 2085, Y'D'zD'x"),
+ };
+
+ DCPOMATIC_ASSERT (AVCOL_SPC_NB == 12);
+ p.push_back (UserProperty (UserProperty::VIDEO, _("Colourspace"), spaces[_colorspace]));
+
+ if (_bits_per_pixel) {
+ p.push_back (UserProperty (UserProperty::VIDEO, _("Bits per pixel"), _bits_per_pixel.get ()));
+ }
+ }
+
+ if (audio) {
+ audio->add_properties (p);
+ }
+}
+
+/** Our subtitle streams have colour maps, which can be changed, but
+ * they have no way of signalling that change. As a hack, we have this
+ * method which callers can use when they've modified one of our subtitle
+ * streams.
+ */
+void
+FFmpegContent::signal_subtitle_stream_changed ()
+{
+ signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
+}
+
+vector<shared_ptr<FFmpegAudioStream> >
+FFmpegContent::ffmpeg_audio_streams () const
+{
+ vector<shared_ptr<FFmpegAudioStream> > fa;
+
+ if (audio) {
+ BOOST_FOREACH (AudioStreamPtr i, audio->streams()) {
+ fa.push_back (dynamic_pointer_cast<FFmpegAudioStream> (i));
+ }
+ }
+
+ return fa;
+}
+
+void
+FFmpegContent::take_settings_from (shared_ptr<const Content> c)
+{
+ Content::take_settings_from (c);
+
+ shared_ptr<const FFmpegContent> fc = dynamic_pointer_cast<const FFmpegContent> (c);
+ _filters = fc->_filters;
}
projects / dcpomatic.git / blobdiff