/*
- Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2021 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ 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.
- This program is distributed in the hope that it will be useful,
+ 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 this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
-#include <libcxml/cxml.h>
+
#include "audio_content.h"
-#include "analyse_audio_job.h"
-#include "job_manager.h"
-#include "film.h"
+#include "compose.hpp"
+#include "config.h"
#include "exceptions.h"
+#include "film.h"
+#include "frame_rate_change.h"
+#include <dcp/raw_convert.h>
+#include <libcxml/cxml.h>
+#include <libxml++/libxml++.h>
+#include <iostream>
#include "i18n.h"
+
+using std::cout;
+using std::dynamic_pointer_cast;
+using std::fixed;
+using std::list;
+using std::make_shared;
+using std::pair;
+using std::setprecision;
+using std::shared_ptr;
using std::string;
using std::vector;
-using boost::shared_ptr;
-using boost::lexical_cast;
-using boost::dynamic_pointer_cast;
+using boost::optional;
+using dcp::raw_convert;
+using namespace dcpomatic;
+
+
+/** Something stream-related has changed */
+int const AudioContentProperty::STREAMS = 200;
+int const AudioContentProperty::GAIN = 201;
+int const AudioContentProperty::DELAY = 202;
-int const AudioContentProperty::AUDIO_CHANNELS = 200;
-int const AudioContentProperty::AUDIO_LENGTH = 201;
-int const AudioContentProperty::AUDIO_FRAME_RATE = 202;
-int const AudioContentProperty::AUDIO_GAIN = 203;
-int const AudioContentProperty::AUDIO_DELAY = 204;
-int const AudioContentProperty::AUDIO_MAPPING = 205;
-AudioContent::AudioContent (shared_ptr<const Film> f, Time s)
- : Content (f, s)
- , _audio_gain (0)
- , _audio_delay (0)
+AudioContent::AudioContent (Content* parent)
+ : ContentPart (parent)
+ , _delay (Config::instance()->default_audio_delay())
{
}
-AudioContent::AudioContent (shared_ptr<const Film> f, boost::filesystem::path p)
- : Content (f, p)
- , _audio_gain (0)
- , _audio_delay (0)
+
+shared_ptr<AudioContent>
+AudioContent::from_xml (Content* parent, cxml::ConstNodePtr node, int version)
{
+ if (version < 34) {
+ /* With old metadata FFmpeg content has the audio-related tags even with no
+ audio streams, so check for that.
+ */
+ if (node->string_child("Type") == "FFmpeg" && node->node_children("AudioStream").empty()) {
+ return {};
+ }
+
+ /* Otherwise we can drop through to the newer logic */
+ }
+ if (!node->optional_number_child<double> ("AudioGain")) {
+ return {};
+ }
+
+ return make_shared<AudioContent>(parent, node);
}
-AudioContent::AudioContent (shared_ptr<const Film> f, shared_ptr<const cxml::Node> node)
- : Content (f, node)
+
+AudioContent::AudioContent (Content* parent, cxml::ConstNodePtr node)
+ : ContentPart (parent)
{
- LocaleGuard lg;
-
- _audio_gain = node->number_child<float> ("AudioGain");
- _audio_delay = node->number_child<int> ("AudioDelay");
+ _gain = node->number_child<double> ("AudioGain");
+ _delay = node->number_child<int> ("AudioDelay");
+
+ /* Backwards compatibility */
+ auto r = node->optional_number_child<double>("AudioVideoFrameRate");
+ if (r) {
+ _parent->set_video_frame_rate (r.get());
+ }
}
-AudioContent::AudioContent (shared_ptr<const Film> f, vector<shared_ptr<Content> > c)
- : Content (f, c)
+
+AudioContent::AudioContent (Content* parent, vector<shared_ptr<Content> > c)
+ : ContentPart (parent)
{
- shared_ptr<AudioContent> ref = dynamic_pointer_cast<AudioContent> (c[0]);
- assert (ref);
-
- for (size_t i = 0; i < c.size(); ++i) {
- shared_ptr<AudioContent> ac = dynamic_pointer_cast<AudioContent> (c[i]);
+ auto ref = c[0]->audio;
+ DCPOMATIC_ASSERT (ref);
- if (ac->audio_gain() != ref->audio_gain()) {
+ for (size_t i = 1; i < c.size(); ++i) {
+ if (c[i]->audio->gain() != ref->gain()) {
throw JoinError (_("Content to be joined must have the same audio gain."));
}
- if (ac->audio_delay() != ref->audio_delay()) {
+ if (c[i]->audio->delay() != ref->delay()) {
throw JoinError (_("Content to be joined must have the same audio delay."));
}
}
- _audio_gain = ref->audio_gain ();
- _audio_delay = ref->audio_delay ();
+ _gain = ref->gain ();
+ _delay = ref->delay ();
+ _streams = ref->streams ();
}
+
void
AudioContent::as_xml (xmlpp::Node* node) const
{
- LocaleGuard lg;
-
boost::mutex::scoped_lock lm (_mutex);
- node->add_child("AudioGain")->add_child_text (lexical_cast<string> (_audio_gain));
- node->add_child("AudioDelay")->add_child_text (lexical_cast<string> (_audio_delay));
+ node->add_child("AudioGain")->add_child_text(raw_convert<string>(_gain));
+ node->add_child("AudioDelay")->add_child_text(raw_convert<string>(_delay));
+}
+
+
+void
+AudioContent::set_gain (double g)
+{
+ maybe_set (_gain, g, AudioContentProperty::GAIN);
+}
+
+
+void
+AudioContent::set_delay (int d)
+{
+ maybe_set (_delay, d, AudioContentProperty::DELAY);
+}
+
+
+string
+AudioContent::technical_summary () const
+{
+ string s = "audio: ";
+ for (auto i: streams()) {
+ s += String::compose ("stream channels %1 rate %2 ", i->channels(), i->frame_rate());
+ }
+
+ return s;
+}
+
+
+void
+AudioContent::set_mapping (AudioMapping mapping)
+{
+ ContentChangeSignaller cc (_parent, AudioContentProperty::STREAMS);
+
+ int c = 0;
+ for (auto i: streams()) {
+ AudioMapping stream_mapping (i->channels(), MAX_DCP_AUDIO_CHANNELS);
+ for (int j = 0; j < i->channels(); ++j) {
+ for (int k = 0; k < MAX_DCP_AUDIO_CHANNELS; ++k) {
+ stream_mapping.set (j, k, mapping.get(c, k));
+ }
+ ++c;
+ }
+ i->set_mapping (stream_mapping);
+ }
+}
+
+
+AudioMapping
+AudioContent::mapping () const
+{
+ int channels = 0;
+ for (auto i: streams()) {
+ channels += i->channels ();
+ }
+
+ AudioMapping merged (channels, MAX_DCP_AUDIO_CHANNELS);
+ merged.make_zero ();
+
+ int c = 0;
+ int s = 0;
+ for (auto i: streams()) {
+ auto mapping = i->mapping ();
+ for (int j = 0; j < mapping.input_channels(); ++j) {
+ for (int k = 0; k < MAX_DCP_AUDIO_CHANNELS; ++k) {
+ if (k < mapping.output_channels()) {
+ merged.set (c, k, mapping.get(j, k));
+ }
+ }
+ ++c;
+ }
+ ++s;
+ }
+
+ return merged;
+}
+
+
+/** @return the frame rate that this content should be resampled to in order
+ * that it is in sync with the active video content at its start time.
+ */
+int
+AudioContent::resampled_frame_rate (shared_ptr<const Film> film) const
+{
+ double t = film->audio_frame_rate ();
+
+ FrameRateChange frc (film, _parent);
+
+ /* 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).
+ */
+
+ if (frc.change_speed) {
+ t /= frc.speed_up;
+ }
+
+ return lrint (t);
+}
+
+string
+AudioContent::processing_description (shared_ptr<const Film> film) const
+{
+ if (streams().empty()) {
+ return "";
+ }
+
+ /* Possible answers are:
+ 1. all audio will be resampled from x to y.
+ 2. all audio will be resampled to y (from a variety of rates)
+ 3. some audio will be resampled to y (from a variety of rates)
+ 4. nothing will be resampled.
+ */
+
+ bool not_resampled = false;
+ bool resampled = false;
+ bool same = true;
+
+ optional<int> common_frame_rate;
+ for (auto i: streams()) {
+ if (i->frame_rate() != resampled_frame_rate(film)) {
+ resampled = true;
+ } else {
+ not_resampled = true;
+ }
+
+ if (common_frame_rate && common_frame_rate != i->frame_rate ()) {
+ same = false;
+ }
+ common_frame_rate = i->frame_rate ();
+ }
+
+ if (not_resampled && !resampled) {
+ return _("Audio will not be resampled");
+ }
+
+ if (not_resampled && resampled) {
+ return String::compose (_("Some audio will be resampled to %1Hz"), resampled_frame_rate(film));
+ }
+
+ if (!not_resampled && resampled) {
+ if (same) {
+ return String::compose (_("Audio will be resampled from %1Hz to %2Hz"), common_frame_rate.get(), resampled_frame_rate(film));
+ } else {
+ return String::compose (_("Audio will be resampled to %1Hz"), resampled_frame_rate(film));
+ }
+ }
+
+ return "";
+}
+
+
+/** @return User-visible names of each of our audio channels */
+vector<NamedChannel>
+AudioContent::channel_names () const
+{
+ vector<NamedChannel> n;
+
+ int index = 0;
+ int stream = 1;
+ for (auto i: streams()) {
+ for (int j = 0; j < i->channels(); ++j) {
+ n.push_back (NamedChannel(String::compose ("%1:%2", stream, j + 1), index++));
+ }
+ ++stream;
+ }
+
+ return n;
+}
+
+
+void
+AudioContent::add_properties (shared_ptr<const Film> film, list<UserProperty>& p) const
+{
+ shared_ptr<const AudioStream> stream;
+ if (streams().size() == 1) {
+ stream = streams().front();
+ }
+
+ if (stream) {
+ p.push_back (UserProperty(UserProperty::AUDIO, _("Channels"), stream->channels()));
+ p.push_back (UserProperty(UserProperty::AUDIO, _("Content audio sample rate"), stream->frame_rate(), _("Hz")));
+ }
+
+ FrameRateChange const frc (_parent->active_video_frame_rate(film), film->video_frame_rate());
+ ContentTime const c (_parent->full_length(film), frc);
+
+ p.push_back (
+ UserProperty (UserProperty::LENGTH, _("Full length in video frames at content rate"), c.frames_round(frc.source))
+ );
+
+ if (stream) {
+ p.push_back (
+ UserProperty (
+ UserProperty::LENGTH,
+ _("Full length in audio samples at content rate"),
+ c.frames_round (stream->frame_rate ())
+ )
+ );
+ }
+
+ p.push_back (UserProperty(UserProperty::AUDIO, _("DCP sample rate"), resampled_frame_rate(film), _("Hz")));
+ p.push_back (UserProperty(UserProperty::LENGTH, _("Full length in video frames at DCP rate"), c.frames_round (frc.dcp)));
+
+ if (stream) {
+ p.push_back (
+ UserProperty (
+ UserProperty::LENGTH,
+ _("Full length in audio samples at DCP rate"),
+ c.frames_round(resampled_frame_rate(film))
+ )
+ );
+ }
}
void
-AudioContent::set_audio_gain (float g)
+AudioContent::set_streams (vector<AudioStreamPtr> streams)
{
+ ContentChangeSignaller cc (_parent, AudioContentProperty::STREAMS);
+
{
boost::mutex::scoped_lock lm (_mutex);
- _audio_gain = g;
+ _streams = streams;
}
-
- signal_changed (AudioContentProperty::AUDIO_GAIN);
}
+
+AudioStreamPtr
+AudioContent::stream () const
+{
+ boost::mutex::scoped_lock lm (_mutex);
+ DCPOMATIC_ASSERT (_streams.size() == 1);
+ return _streams.front ();
+}
+
+
void
-AudioContent::set_audio_delay (int d)
+AudioContent::add_stream (AudioStreamPtr stream)
{
+ ContentChangeSignaller cc (_parent, AudioContentProperty::STREAMS);
+
{
boost::mutex::scoped_lock lm (_mutex);
- _audio_delay = d;
+ _streams.push_back (stream);
}
-
- signal_changed (AudioContentProperty::AUDIO_DELAY);
}
+
void
-AudioContent::analyse_audio (boost::function<void()> finished)
+AudioContent::set_stream (AudioStreamPtr stream)
{
- shared_ptr<const Film> film = _film.lock ();
- if (!film) {
- return;
+ ContentChangeSignaller cc (_parent, AudioContentProperty::STREAMS);
+
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ _streams.clear ();
+ _streams.push_back (stream);
}
-
- shared_ptr<AnalyseAudioJob> job (new AnalyseAudioJob (film, dynamic_pointer_cast<AudioContent> (shared_from_this())));
- job->Finished.connect (finished);
- JobManager::instance()->add (job);
}
-boost::filesystem::path
-AudioContent::audio_analysis_path () const
+
+void
+AudioContent::take_settings_from (shared_ptr<const AudioContent> c)
{
- shared_ptr<const Film> film = _film.lock ();
- if (!film) {
- return boost::filesystem::path ();
+ set_gain (c->_gain);
+ set_delay (c->_delay);
+
+ size_t i = 0;
+ size_t j = 0;
+
+ while (i < _streams.size() && j < c->_streams.size()) {
+ _streams[i]->set_mapping (c->_streams[j]->mapping());
+ ++i;
+ ++j;
}
+}
+
- return film->audio_analysis_path (dynamic_pointer_cast<const AudioContent> (shared_from_this ()));
+void
+AudioContent::modify_position (shared_ptr<const Film> film, DCPTime& pos) const
+{
+ pos = pos.round (film->audio_frame_rate());
}
-string
-AudioContent::technical_summary () const
+
+void
+AudioContent::modify_trim_start (ContentTime& trim) const
{
- return String::compose ("audio: channels %1, length %2, raw rate %3, out rate %4", audio_channels(), audio_length(), content_audio_frame_rate(), output_audio_frame_rate());
+ DCPOMATIC_ASSERT (!_streams.empty());
+ /* XXX: we're in trouble if streams have different rates */
+ trim = trim.round (_streams.front()->frame_rate());
}
projects / dcpomatic.git / blobdiff