-/* -*- c-basic-offset: 8; default-tab-width: 8; -*- */
-
/*
- 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
*/
+extern "C" {
+#include <libavformat/avformat.h>
+}
#include <libcxml/cxml.h>
+#include <dcp/raw_convert.h>
#include "ffmpeg_content.h"
-#include "ffmpeg_decoder.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 "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;
int const FFmpegContentProperty::AUDIO_STREAMS = 102;
int const FFmpegContentProperty::AUDIO_STREAM = 103;
+int const FFmpegContentProperty::FILTERS = 104;
-FFmpegContent::FFmpegContent (boost::filesystem::path f)
- : Content (f)
- , VideoContent (f)
- , AudioContent (f)
+FFmpegContent::FFmpegContent (shared_ptr<const Film> f, boost::filesystem::path p)
+ : Content (f, p)
+ , VideoContent (f, p)
+ , AudioContent (f, p)
+ , SubtitleContent (f, p)
{
}
-FFmpegContent::FFmpegContent (shared_ptr<const cxml::Node> node)
- : Content (node)
- , VideoContent (node)
- , AudioContent (node)
+FFmpegContent::FFmpegContent (shared_ptr<const Film> f, cxml::ConstNodePtr node, int version, list<string>& notes)
+ : Content (f, node)
+ , VideoContent (f, node, version)
+ , AudioContent (f, node)
+ , SubtitleContent (f, node, version)
{
- list<shared_ptr<cxml::Node> > c = node->node_children ("SubtitleStream");
- for (list<shared_ptr<cxml::Node> >::const_iterator i = c.begin(); i != c.end(); ++i) {
+ 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)));
if ((*i)->optional_number_child<int> ("Selected")) {
_subtitle_stream = _subtitle_streams.back ();
}
c = node->node_children ("AudioStream");
- for (list<shared_ptr<cxml::Node> >::const_iterator i = c.begin(); i != c.end(); ++i) {
- _audio_streams.push_back (shared_ptr<FFmpegAudioStream> (new FFmpegAudioStream (*i)));
+ for (list<cxml::NodePtr>::const_iterator i = c.begin(); i != c.end(); ++i) {
+ _audio_streams.push_back (shared_ptr<FFmpegAudioStream> (new FFmpegAudioStream (*i, version)));
if ((*i)->optional_number_child<int> ("Selected")) {
_audio_stream = _audio_streams.back ();
}
}
+
+ 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()));
+ }
+ }
+
+ _first_video = node->optional_number_child<double> ("FirstVideo");
}
-FFmpegContent::FFmpegContent (FFmpegContent const & o)
- : Content (o)
- , VideoContent (o)
- , AudioContent (o)
- , _subtitle_streams (o._subtitle_streams)
- , _subtitle_stream (o._subtitle_stream)
- , _audio_streams (o._audio_streams)
- , _audio_stream (o._audio_stream)
+FFmpegContent::FFmpegContent (shared_ptr<const Film> f, vector<boost::shared_ptr<Content> > c)
+ : Content (f, c)
+ , VideoContent (f, c)
+ , AudioContent (f, c)
+ , SubtitleContent (f, 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->use_subtitles() && *(fc->_subtitle_stream.get()) != *(ref->_subtitle_stream.get())) {
+ throw JoinError (_("Content to be joined must use the same subtitle stream."));
+ }
+
+ if (*(fc->_audio_stream.get()) != *(ref->_audio_stream.get())) {
+ throw JoinError (_("Content to be joined must use the same audio stream."));
+ }
+ }
+ _subtitle_streams = ref->subtitle_streams ();
+ _subtitle_stream = ref->subtitle_stream ();
+ _audio_streams = ref->audio_streams ();
+ _audio_stream = ref->audio_stream ();
+ _first_video = ref->_first_video;
}
void
Content::as_xml (node);
VideoContent::as_xml (node);
AudioContent::as_xml (node);
+ SubtitleContent::as_xml (node);
boost::mutex::scoped_lock lm (_mutex);
}
(*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()));
+ }
}
void
-FFmpegContent::examine (shared_ptr<Film> film, shared_ptr<Job> job, bool quick)
+FFmpegContent::examine (shared_ptr<Job> job, bool calculate_digest)
{
job->set_progress_unknown ();
- Content::examine (film, job, quick);
-
- shared_ptr<FFmpegDecoder> decoder (new FFmpegDecoder (film, shared_from_this (), true, false, false));
-
- 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 */
- }
-
- video_length = decoder->video_frame ();
- film->log()->log (String::compose ("Video length examined as %1 frames", decoder->video_frame ()));
- }
-
- {
- boost::mutex::scoped_lock lm (_mutex);
-
- _video_length = video_length;
-
- _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);
-
- signal_changed (VideoContentProperty::VIDEO_LENGTH);
- signal_changed (FFmpegContentProperty::SUBTITLE_STREAMS);
- signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
- signal_changed (FFmpegContentProperty::AUDIO_STREAMS);
- signal_changed (FFmpegContentProperty::AUDIO_STREAM);
- signal_changed (AudioContentProperty::AUDIO_CHANNELS);
+ Content::examine (job, calculate_digest);
+
+ shared_ptr<FFmpegExaminer> examiner (new FFmpegExaminer (shared_from_this ()));
+ take_from_video_examiner (examiner);
+
+ shared_ptr<const Film> film = _film.lock ();
+ DCPOMATIC_ASSERT (film);
+
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+
+ _subtitle_streams = examiner->subtitle_streams ();
+ if (!_subtitle_streams.empty ()) {
+ _subtitle_stream = _subtitle_streams.front ();
+ }
+
+ _audio_streams = examiner->audio_streams ();
+ if (!_audio_streams.empty ()) {
+ _audio_stream = _audio_streams.front ();
+ }
+
+ _first_video = examiner->first_video ();
+ }
+
+ signal_changed (FFmpegContentProperty::SUBTITLE_STREAMS);
+ signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
+ signal_changed (FFmpegContentProperty::AUDIO_STREAMS);
+ signal_changed (FFmpegContentProperty::AUDIO_STREAM);
+ signal_changed (AudioContentProperty::AUDIO_CHANNELS);
}
string
FFmpegContent::summary () const
{
- return String::compose (_("Movie: %1"), file().filename().string());
+ /* Get the string() here so that the name does not have quotes around it */
+ return String::compose (_("%1 [movie]"), path_summary ());
}
string
-FFmpegContent::information () const
+FFmpegContent::technical_summary () const
{
- if (video_length() == 0 || video_frame_rate() == 0) {
- return "";
+ string as = "none";
+ if (_audio_stream) {
+ as = _audio_stream->technical_summary ();
}
-
- stringstream s;
-
- s << String::compose (_("%1 frames; %2 frames per second"), video_length(), video_frame_rate()) << "\n";
- s << VideoContent::information ();
- return s.str ();
+ string ss = "none";
+ if (_subtitle_stream) {
+ ss = _subtitle_stream->technical_summary ();
+ }
+
+ 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", as, ss, filt
+ );
}
void
FFmpegContent::set_subtitle_stream (shared_ptr<FFmpegSubtitleStream> s)
{
- {
- boost::mutex::scoped_lock lm (_mutex);
- _subtitle_stream = s;
- }
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ _subtitle_stream = s;
+ }
- signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
+ signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
}
void
FFmpegContent::set_audio_stream (shared_ptr<FFmpegAudioStream> s)
{
- {
- boost::mutex::scoped_lock lm (_mutex);
- _audio_stream = s;
- }
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ _audio_stream = s;
+ }
- signal_changed (FFmpegContentProperty::AUDIO_STREAM);
+ signal_changed (FFmpegContentProperty::AUDIO_STREAM);
}
-ContentAudioFrame
+ContentTime
FFmpegContent::audio_length () const
{
- int const cafr = content_audio_frame_rate ();
- int const vfr = video_frame_rate ();
- ContentVideoFrame const vl = video_length ();
+ if (!audio_stream ()) {
+ return ContentTime ();
+ }
- boost::mutex::scoped_lock lm (_mutex);
- if (!_audio_stream) {
- return 0;
- }
-
- return video_frames_to_audio_frames (vl, cafr, vfr);
+ return video_length ();
}
int
{
boost::mutex::scoped_lock lm (_mutex);
- if (!_audio_stream) {
- return 0;
- }
+ if (!_audio_stream) {
+ 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);
- if (!_audio_stream) {
- return 0;
- }
-
- return _audio_stream->frame_rate;
-}
-
-int
-FFmpegContent::output_audio_frame_rate (shared_ptr<const Film> film) const
-{
- /* Resample to a DCI-approved sample rate */
- double t = dcp_audio_frame_rate (content_audio_frame_rate ());
-
- FrameRateConversion frc (video_frame_rate(), film->dcp_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->dcp_video_frame_rate();
+ if (!_audio_stream) {
+ return 0;
}
- 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== (FFmpegAudioStream const & a, FFmpegAudioStream const & b)
+operator!= (FFmpegStream const & a, FFmpegStream const & b)
{
- return a.id == b.id;
+ return a._id != b._id;
}
-FFmpegAudioStream::FFmpegAudioStream (shared_ptr<const cxml::Node> node)
+DCPTime
+FFmpegContent::full_length () const
{
- name = node->string_child ("Name");
- id = node->number_child<int> ("Id");
- frame_rate = node->number_child<int> ("FrameRate");
- channels = node->number_child<int64_t> ("Channels");
- mapping = AudioMapping (node->node_child ("Mapping"));
+ shared_ptr<const Film> film = _film.lock ();
+ DCPOMATIC_ASSERT (film);
+ return DCPTime (video_length_after_3d_combine(), FrameRateChange (video_frame_rate (), film->video_frame_rate ()));
}
-void
-FFmpegAudioStream::as_xml (xmlpp::Node* root) const
+AudioMapping
+FFmpegContent::audio_mapping () const
{
- root->add_child("Name")->add_child_text (name);
- root->add_child("Id")->add_child_text (lexical_cast<string> (id));
- root->add_child("FrameRate")->add_child_text (lexical_cast<string> (frame_rate));
- root->add_child("Channels")->add_child_text (lexical_cast<string> (channels));
- mapping.as_xml (root->add_child("Mapping"));
+ boost::mutex::scoped_lock lm (_mutex);
+
+ if (!_audio_stream) {
+ return AudioMapping ();
+ }
+
+ return _audio_stream->mapping ();
}
-/** 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)
+void
+FFmpegContent::set_filters (vector<Filter const *> const & filters)
{
- name = node->string_child ("Name");
- id = node->number_child<int> ("Id");
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ _filters = filters;
+ }
+
+ signal_changed (FFmpegContentProperty::FILTERS);
}
void
-FFmpegSubtitleStream::as_xml (xmlpp::Node* root) const
+FFmpegContent::set_audio_mapping (AudioMapping m)
{
- root->add_child("Name")->add_child_text (name);
- root->add_child("Id")->add_child_text (lexical_cast<string> (id));
+ audio_stream()->set_mapping (m);
+ AudioContent::set_audio_mapping (m);
}
-shared_ptr<Content>
-FFmpegContent::clone () const
+string
+FFmpegContent::identifier () const
{
- return shared_ptr<Content> (new FFmpegContent (*this));
+ SafeStringStream s;
+
+ s << VideoContent::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.str ();
}
-Time
-FFmpegContent::length (shared_ptr<const Film> film) const
+boost::filesystem::path
+FFmpegContent::audio_analysis_path () const
{
- FrameRateConversion frc (video_frame_rate (), film->dcp_video_frame_rate ());
- return video_length() * frc.factor() * TIME_HZ / film->dcp_video_frame_rate ();
+ 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().get_value_or ("X");
+ if (audio_stream ()) {
+ name += "_" + audio_stream()->identifier ();
+ }
+ p /= name;
+ return p;
}
-AudioMapping
-FFmpegContent::audio_mapping () const
+list<ContentTimePeriod>
+FFmpegContent::subtitles_during (ContentTimePeriod period, bool starting) const
{
- boost::mutex::scoped_lock lm (_mutex);
+ list<ContentTimePeriod> d;
+
+ shared_ptr<FFmpegSubtitleStream> stream = subtitle_stream ();
+ if (!stream) {
+ return d;
+ }
- if (!_audio_stream) {
- return AudioMapping ();
+ /* 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);
+ }
}
- cout << "returning am from stream " << _audio_stream.get() << ".\n";
- return _audio_stream->mapping;
+ return d;
}
+bool
+FFmpegContent::has_subtitles () const
+{
+ return !subtitle_streams().empty ();
+}