+/*
+ Copyright (C) 2013 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
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program 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 this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include <libcxml/cxml.h>
#include "ffmpeg_content.h"
-#include "ffmpeg_decoder.h"
+#include "ffmpeg_examiner.h"
#include "compose.hpp"
#include "job.h"
#include "util.h"
+#include "filter.h"
+#include "film.h"
#include "log.h"
#include "i18n.h"
using std::string;
+using std::stringstream;
+using std::vector;
+using std::list;
+using std::cout;
using boost::shared_ptr;
+using boost::lexical_cast;
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)
+{
+
+}
+
+FFmpegContent::FFmpegContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node)
+ : Content (f, node)
+ , VideoContent (f, node)
+ , AudioContent (f, node)
+{
+ 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) {
+ _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)));
+ if ((*i)->optional_number_child<int> ("Selected")) {
+ _audio_stream = _audio_streams.back ();
+ }
+ }
+
+ c = node->node_children ("Filter");
+ for (list<shared_ptr<cxml::Node> >::iterator i = c.begin(); i != c.end(); ++i) {
+ _filters.push_back (Filter::from_id ((*i)->content ()));
+ }
+
+ _first_video = node->optional_number_child<Time> ("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)
{
}
void
-FFmpegContent::examine (shared_ptr<Film> film, shared_ptr<Job> job, bool quick)
+FFmpegContent::as_xml (xmlpp::Node* node) const
{
- job->descend (0.5);
- Content::examine (film, job, quick);
- job->ascend ();
+ node->add_child("Type")->add_child_text ("FFmpeg");
+ Content::as_xml (node);
+ VideoContent::as_xml (node);
+ AudioContent::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<shared_ptr<FFmpegAudioStream> >::const_iterator i = _audio_streams.begin(); i != _audio_streams.end(); ++i) {
+ xmlpp::Node* t = node->add_child("AudioStream");
+ if (_audio_stream && *i == _audio_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 (lexical_cast<string> (_first_video.get ()));
+ }
+}
+void
+FFmpegContent::examine (shared_ptr<Job> job)
+{
job->set_progress_unknown ();
- shared_ptr<FFmpegDecoder> decoder (new FFmpegDecoder (film, shared_from_this (), true, false, false, true));
+ Content::examine (job);
- 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 */
- }
+ shared_ptr<const Film> film = _film.lock ();
+ assert (film);
- video_length = decoder->video_frame ();
- film->log()->log (String::compose ("Video length examined as %1 frames", decoder->video_frame ()));
- }
+ shared_ptr<FFmpegExaminer> examiner (new FFmpegExaminer (shared_from_this ()));
+
+ 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));
{
boost::mutex::scoped_lock lm (_mutex);
_video_length = video_length;
- _subtitle_streams = decoder->subtitle_streams ();
+ _subtitle_streams = examiner->subtitle_streams ();
if (!_subtitle_streams.empty ()) {
_subtitle_stream = _subtitle_streams.front ();
}
- _audio_streams = decoder->audio_streams ();
+ _audio_streams = examiner->audio_streams ();
if (!_audio_streams.empty ()) {
_audio_stream = _audio_streams.front ();
}
+
+ _first_video = examiner->first_video ();
}
- take_from_video_decoder (decoder);
+ take_from_video_examiner (examiner);
- Changed (VideoContentProperty::VIDEO_LENGTH);
- Changed (FFmpegContentProperty::SUBTITLE_STREAMS);
- Changed (FFmpegContentProperty::SUBTITLE_STREAM);
- Changed (FFmpegContentProperty::AUDIO_STREAMS);
- Changed (FFmpegContentProperty::AUDIO_STREAM);
+ signal_changed (ContentProperty::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);
}
string
FFmpegContent::summary () const
{
- return String::compose (_("Movie: %1"), file().filename ());
+ return String::compose (_("Movie: %1"), file().filename().string());
+}
+
+string
+FFmpegContent::information () const
+{
+ if (video_length() == 0 || video_frame_rate() == 0) {
+ return "";
+ }
+
+ stringstream s;
+
+ s << String::compose (_("%1 frames; %2 frames per second"), video_length(), video_frame_rate()) << "\n";
+ s << VideoContent::information ();
+
+ return s.str ();
}
void
-FFmpegContent::set_subtitle_stream (FFmpegSubtitleStream s)
+FFmpegContent::set_subtitle_stream (shared_ptr<FFmpegSubtitleStream> s)
{
{
boost::mutex::scoped_lock lm (_mutex);
_subtitle_stream = s;
}
- Changed (FFmpegContentProperty::SUBTITLE_STREAM);
+ signal_changed (FFmpegContentProperty::SUBTITLE_STREAM);
}
void
-FFmpegContent::set_audio_stream (FFmpegAudioStream s)
+FFmpegContent::set_audio_stream (shared_ptr<FFmpegAudioStream> s)
{
{
boost::mutex::scoped_lock lm (_mutex);
_audio_stream = s;
}
- Changed (FFmpegContentProperty::AUDIO_STREAM);
+ signal_changed (FFmpegContentProperty::AUDIO_STREAM);
}
-ContentAudioFrame
+AudioContent::Frame
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;
}
- return video_frames_to_audio_frames (_video_length, audio_frame_rate(), video_frame_rate());
+ return video_frames_to_audio_frames (vl, cafr, vfr);
}
int
FFmpegContent::audio_channels () const
{
+ boost::mutex::scoped_lock lm (_mutex);
+
if (!_audio_stream) {
return 0;
}
- return _audio_stream->channels ();
+ return _audio_stream->channels;
}
int
-FFmpegContent::audio_frame_rate () const
+FFmpegContent::content_audio_frame_rate () const
{
+ boost::mutex::scoped_lock lm (_mutex);
+
if (!_audio_stream) {
return 0;
}
return _audio_stream->frame_rate;
}
-int64_t
-FFmpegContent::audio_channel_layout () const
+int
+FFmpegContent::output_audio_frame_rate () const
{
- if (!_audio_stream) {
- return 0;
- }
+ 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->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.
+ */
- return _audio_stream->channel_layout;
+ if (frc.change_speed) {
+ t *= video_frame_rate() * frc.factor() / film->dcp_video_frame_rate();
+ }
+
+ return rint (t);
}
-
+
bool
operator== (FFmpegSubtitleStream const & a, FFmpegSubtitleStream const & b)
{
{
return a.id == b.id;
}
+
+FFmpegAudioStream::FFmpegAudioStream (shared_ptr<const cxml::Node> node)
+{
+ 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"));
+ first_audio = node->optional_number_child<Time> ("FirstAudio");
+}
+
+void
+FFmpegAudioStream::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));
+ 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));
+ }
+ mapping.as_xml (root->add_child("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)
+{
+ name = node->string_child ("Name");
+ id = node->number_child<int> ("Id");
+}
+
+void
+FFmpegSubtitleStream::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));
+}
+
+shared_ptr<Content>
+FFmpegContent::clone () const
+{
+ return shared_ptr<Content> (new FFmpegContent (*this));
+}
+
+Time
+FFmpegContent::length () const
+{
+ shared_ptr<const Film> film = _film.lock ();
+ assert (film);
+
+ FrameRateConversion frc (video_frame_rate (), film->dcp_video_frame_rate ());
+ return video_length() * frc.factor() * TIME_HZ / film->dcp_video_frame_rate ();
+}
+
+AudioMapping
+FFmpegContent::audio_mapping () const
+{
+ boost::mutex::scoped_lock lm (_mutex);
+
+ if (!_audio_stream) {
+ return AudioMapping ();
+ }
+
+ return _audio_stream->mapping;
+}
+
+void
+FFmpegContent::set_filters (vector<Filter const *> const & filters)
+{
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ _filters = filters;
+ }
+
+ signal_changed (FFmpegContentProperty::FILTERS);
+}
+
+void
+FFmpegContent::set_audio_mapping (AudioMapping m)
+{
+ audio_stream()->mapping = m;
+ signal_changed (AudioContentProperty::AUDIO_MAPPING);
+}
projects / dcpomatic.git / blobdiff