/*
- Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include <libavformat/avformat.h>
}
#include <libcxml/cxml.h>
+#include <dcp/raw_convert.h>
#include "ffmpeg_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 "film.h"
#include "log.h"
#include "exceptions.h"
+#include "frame_rate_change.h"
+#include "safe_stringstream.h"
#include "i18n.h"
+#define LOG_GENERAL(...) film->log()->log (String::compose (__VA_ARGS__), Log::TYPE_GENERAL);
+
using std::string;
-using std::stringstream;
using std::vector;
using std::list;
using std::cout;
using std::pair;
using boost::shared_ptr;
-using boost::lexical_cast;
using boost::dynamic_pointer_cast;
+using dcp::raw_convert;
int const FFmpegContentProperty::SUBTITLE_STREAMS = 100;
int const FFmpegContentProperty::SUBTITLE_STREAM = 101;
}
-FFmpegContent::FFmpegContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node, int version)
+FFmpegContent::FFmpegContent (shared_ptr<const Film> f, cxml::ConstNodePtr node, int version, list<string>& notes)
: Content (f, node)
- , VideoContent (f, node)
+ , VideoContent (f, node, version)
, AudioContent (f, node)
, SubtitleContent (f, 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)));
+ _subtitle_streams.push_back (shared_ptr<FFmpegSubtitleStream> (new FFmpegSubtitleStream (*i)));
if ((*i)->optional_number_child<int> ("Selected")) {
_subtitle_stream = _subtitle_streams.back ();
}
c = node->node_children ("Filter");
for (list<cxml::NodePtr>::iterator i = c.begin(); i != c.end(); ++i) {
- _filters.push_back (Filter::from_id ((*i)->content ()));
+ 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()));
+ }
}
_first_video = node->optional_number_child<double> ("FirstVideo");
for (size_t i = 0; i < c.size(); ++i) {
shared_ptr<FFmpegContent> fc = dynamic_pointer_cast<FFmpegContent> (c[i]);
- if (f->with_subtitles() && *(fc->_subtitle_stream.get()) != *(ref->_subtitle_stream.get())) {
+ if (fc->use_subtitles() && *(fc->_subtitle_stream.get()) != *(ref->_subtitle_stream.get())) {
throw JoinError (_("Content to be joined must use the same subtitle stream."));
}
}
if (_first_video) {
- node->add_child("FirstVideo")->add_child_text (lexical_cast<string> (_first_video.get ()));
+ node->add_child("FirstVideo")->add_child_text (raw_convert<string> (_first_video.get().get()));
}
}
Content::examine (job);
- shared_ptr<const Film> film = _film.lock ();
- assert (film);
-
shared_ptr<FFmpegExaminer> examiner (new FFmpegExaminer (shared_from_this ()));
+ take_from_video_examiner (examiner);
- VideoContent::Frame video_length = 0;
- video_length = examiner->video_length ();
- film->log()->log (String::compose ("Video length obtained from header as %1 frames", video_length));
+ shared_ptr<const Film> film = _film.lock ();
+ assert (film);
{
boost::mutex::scoped_lock lm (_mutex);
- _video_length = video_length;
-
_subtitle_streams = examiner->subtitle_streams ();
if (!_subtitle_streams.empty ()) {
_subtitle_stream = _subtitle_streams.front ();
_first_video = examiner->first_video ();
}
- take_from_video_examiner (examiner);
-
- signal_changed (ContentProperty::LENGTH);
signal_changed (FFmpegContentProperty::SUBTITLE_STREAMS);
signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
signal_changed (FFmpegContentProperty::AUDIO_STREAMS);
{
string as = "none";
if (_audio_stream) {
- as = String::compose ("id %1", _audio_stream->id);
+ as = _audio_stream->technical_summary ();
}
string ss = "none";
if (_subtitle_stream) {
- ss = String::compose ("id %1", _subtitle_stream->id);
+ ss = _subtitle_stream->technical_summary ();
}
- pair<string, string> filt = Filter::ffmpeg_strings (_filters);
+ string filt = Filter::ffmpeg_string (_filters);
return Content::technical_summary() + " - "
+ VideoContent::technical_summary() + " - "
+ AudioContent::technical_summary() + " - "
+ String::compose (
- "ffmpeg: audio %1, subtitle %2, filters %3 %4", as, ss, filt.first, filt.second
+ "ffmpeg: audio %1, subtitle %2, filters %3", as, ss, filt
);
}
string
FFmpegContent::information () const
{
- if (video_length() == 0 || video_frame_rate() == 0) {
+ if (video_length() == ContentTime (0) || video_frame_rate() == 0) {
return "";
}
- stringstream s;
+ SafeStringStream s;
- s << String::compose (_("%1 frames; %2 frames per second"), video_length(), video_frame_rate()) << "\n";
+ s << String::compose (_("%1 frames; %2 frames per second"), video_length_after_3d_combine().frames (video_frame_rate()), video_frame_rate()) << "\n";
s << VideoContent::information ();
return s.str ();
signal_changed (FFmpegContentProperty::AUDIO_STREAM);
}
-AudioContent::Frame
+ContentTime
FFmpegContent::audio_length () const
{
- int const cafr = content_audio_frame_rate ();
- int const vfr = video_frame_rate ();
- VideoContent::Frame const vl = video_length ();
-
- boost::mutex::scoped_lock lm (_mutex);
- if (!_audio_stream) {
- return 0;
+ if (!audio_stream ()) {
+ return ContentTime ();
}
-
- return video_frames_to_audio_frames (vl, cafr, vfr);
+
+ return video_length ();
}
int
return 0;
}
- return _audio_stream->channels;
+ return _audio_stream->channels ();
}
int
-FFmpegContent::content_audio_frame_rate () const
+FFmpegContent::audio_frame_rate () const
{
boost::mutex::scoped_lock lm (_mutex);
return 0;
}
- return _audio_stream->frame_rate;
-}
-
-int
-FFmpegContent::output_audio_frame_rate () const
-{
- shared_ptr<const Film> film = _film.lock ();
- assert (film);
-
- /* Resample to a DCI-approved sample rate */
- double t = dcp_audio_frame_rate (content_audio_frame_rate ());
-
- FrameRateConversion frc (video_frame_rate(), film->video_frame_rate());
-
- /* Compensate if the DCP is being run at a different frame rate
- to the source; that is, if the video is run such that it will
- look different in the DCP compared to the source (slower or faster).
- skip/repeat doesn't come into effect here.
- */
-
- if (frc.change_speed) {
- t *= video_frame_rate() * frc.factor() / film->video_frame_rate();
- }
-
- return rint (t);
+ return _audio_stream->frame_rate ();
}
bool
-operator== (FFmpegSubtitleStream const & a, FFmpegSubtitleStream const & b)
+operator== (FFmpegStream const & a, FFmpegStream const & b)
{
- return a.id == b.id;
+ return a._id == b._id;
}
bool
-operator!= (FFmpegSubtitleStream const & a, FFmpegSubtitleStream const & b)
-{
- return a.id != b.id;
-}
-
-bool
-operator== (FFmpegAudioStream const & a, FFmpegAudioStream const & b)
-{
- return a.id == b.id;
-}
-
-bool
-operator!= (FFmpegAudioStream const & a, FFmpegAudioStream const & b)
-{
- return a.id != b.id;
-}
-
-FFmpegStream::FFmpegStream (shared_ptr<const cxml::Node> node, int version)
- : _legacy_id (false)
-{
- name = node->string_child ("Name");
- id = node->number_child<int> ("Id");
- if (version == 4 || node->optional_bool_child ("LegacyId")) {
- _legacy_id = true;
- }
-}
-
-void
-FFmpegStream::as_xml (xmlpp::Node* root) const
-{
- root->add_child("Name")->add_child_text (name);
- root->add_child("Id")->add_child_text (lexical_cast<string> (id));
- if (_legacy_id) {
- /* Write this so that version > 4 files are read in correctly
- if the Id came originally from a version <= 4 file.
- */
- root->add_child("LegacyId")->add_child_text ("1");
- }
-}
-
-FFmpegAudioStream::FFmpegAudioStream (shared_ptr<const cxml::Node> node, int version)
- : FFmpegStream (node, version)
- , mapping (node->node_child ("Mapping"), version)
-{
- frame_rate = node->number_child<int> ("FrameRate");
- channels = node->number_child<int64_t> ("Channels");
- first_audio = node->optional_number_child<double> ("FirstAudio");
-}
-
-void
-FFmpegAudioStream::as_xml (xmlpp::Node* root) const
-{
- FFmpegStream::as_xml (root);
- root->add_child("FrameRate")->add_child_text (lexical_cast<string> (frame_rate));
- root->add_child("Channels")->add_child_text (lexical_cast<string> (channels));
- if (first_audio) {
- root->add_child("FirstAudio")->add_child_text (lexical_cast<string> (first_audio.get ()));
- }
- mapping.as_xml (root->add_child("Mapping"));
-}
-
-int
-FFmpegStream::index (AVFormatContext const * fc) const
-{
- if (_legacy_id) {
- return id;
- }
-
- size_t i = 0;
- while (i < fc->nb_streams) {
- if (fc->streams[i]->id == id) {
- return i;
- }
- ++i;
- }
-
- assert (false);
-}
-
-AVStream *
-FFmpegStream::stream (AVFormatContext const * fc) const
+operator!= (FFmpegStream const & a, FFmpegStream const & b)
{
- if (_legacy_id) {
- return fc->streams[id];
- }
-
- size_t i = 0;
- while (i < fc->nb_streams) {
- if (fc->streams[i]->id == id) {
- return fc->streams[i];
- }
- ++i;
- }
-
- assert (false);
- return 0;
-}
-
-/** Construct a SubtitleStream from a value returned from to_string().
- * @param t String returned from to_string().
- * @param v State file version.
- */
-FFmpegSubtitleStream::FFmpegSubtitleStream (shared_ptr<const cxml::Node> node, int version)
- : FFmpegStream (node, version)
-{
-
+ return a._id != b._id;
}
-void
-FFmpegSubtitleStream::as_xml (xmlpp::Node* root) const
-{
- FFmpegStream::as_xml (root);
-}
-
-Time
+DCPTime
FFmpegContent::full_length () const
{
shared_ptr<const Film> film = _film.lock ();
assert (film);
-
- FrameRateConversion frc (video_frame_rate (), film->video_frame_rate ());
- return video_length() * frc.factor() * TIME_HZ / film->video_frame_rate ();
+ return DCPTime (video_length_after_3d_combine(), FrameRateChange (video_frame_rate (), film->video_frame_rate ()));
}
AudioMapping
return AudioMapping ();
}
- return _audio_stream->mapping;
+ return _audio_stream->mapping ();
}
void
void
FFmpegContent::set_audio_mapping (AudioMapping m)
{
- audio_stream()->mapping = m;
- signal_changed (AudioContentProperty::AUDIO_MAPPING);
+ audio_stream()->set_mapping (m);
+ AudioContent::set_audio_mapping (m);
}
string
FFmpegContent::identifier () const
{
- stringstream s;
+ SafeStringStream s;
s << VideoContent::identifier();
boost::mutex::scoped_lock lm (_mutex);
if (_subtitle_stream) {
- s << "_" << _subtitle_stream->id;
+ s << "_" << _subtitle_stream->identifier ();
}
for (vector<Filter const *>::const_iterator i = _filters.begin(); i != _filters.end(); ++i) {
return s.str ();
}
+boost::filesystem::path
+FFmpegContent::audio_analysis_path () const
+{
+ shared_ptr<const Film> film = _film.lock ();
+ if (!film) {
+ return boost::filesystem::path ();
+ }
+
+ /* We need to include the stream ID in this path so that we get different
+ analyses for each stream.
+ */
+
+ boost::filesystem::path p = film->audio_analysis_dir ();
+ string name = digest ();
+ if (audio_stream ()) {
+ name += "_" + audio_stream()->identifier ();
+ }
+ p /= name;
+ return p;
+}
+
+list<ContentTimePeriod>
+FFmpegContent::subtitles_during (ContentTimePeriod period, bool starting) const
+{
+ list<ContentTimePeriod> d;
+
+ shared_ptr<FFmpegSubtitleStream> stream = subtitle_stream ();
+ if (!stream) {
+ return d;
+ }
+
+ /* XXX: inefficient */
+ for (vector<ContentTimePeriod>::const_iterator i = stream->periods.begin(); i != stream->periods.end(); ++i) {
+ if ((starting && period.contains (i->from)) || (!starting && period.overlaps (*i))) {
+ d.push_back (*i);
+ }
+ }
+
+ return d;
+}
+
+bool
+FFmpegContent::has_subtitles () const
+{
+ return !subtitle_streams().empty ();
+}