/*
Copyright (C) 2013-2016 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/>.
*/
using std::string;
using std::cout;
using std::vector;
-using std::stringstream;
using std::fixed;
using std::list;
using std::pair;
using boost::optional;
/** Something stream-related has changed */
-int const AudioContentProperty::AUDIO_STREAMS = 200;
-int const AudioContentProperty::AUDIO_GAIN = 201;
-int const AudioContentProperty::AUDIO_DELAY = 202;
-int const AudioContentProperty::AUDIO_VIDEO_FRAME_RATE = 203;
-
-AudioContent::AudioContent (shared_ptr<const Film> film)
- : Content (film)
- , _audio_gain (0)
- , _audio_delay (Config::instance()->default_audio_delay ())
+int const AudioContentProperty::STREAMS = 200;
+int const AudioContentProperty::GAIN = 201;
+int const AudioContentProperty::DELAY = 202;
+
+AudioContent::AudioContent (Content* parent)
+ : ContentPart (parent)
+ , _gain (0)
+ , _delay (Config::instance()->default_audio_delay ())
{
}
-AudioContent::AudioContent (shared_ptr<const Film> film, DCPTime s)
- : Content (film, s)
- , _audio_gain (0)
- , _audio_delay (Config::instance()->default_audio_delay ())
+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 shared_ptr<AudioContent> ();
+ }
-}
+ /* Otherwise we can drop through to the newer logic */
+ }
-AudioContent::AudioContent (shared_ptr<const Film> film, boost::filesystem::path p)
- : Content (film, p)
- , _audio_gain (0)
- , _audio_delay (Config::instance()->default_audio_delay ())
-{
+ if (!node->optional_number_child<double> ("AudioGain")) {
+ return shared_ptr<AudioContent> ();
+ }
+ return shared_ptr<AudioContent> (new AudioContent (parent, node));
}
-AudioContent::AudioContent (shared_ptr<const Film> film, cxml::ConstNodePtr node)
- : Content (film, node)
+AudioContent::AudioContent (Content* parent, cxml::ConstNodePtr node)
+ : ContentPart (parent)
{
- _audio_gain = node->number_child<double> ("AudioGain");
- _audio_delay = node->number_child<int> ("AudioDelay");
- _audio_video_frame_rate = node->optional_number_child<double> ("AudioVideoFrameRate");
+ _gain = node->number_child<double> ("AudioGain");
+ _delay = node->number_child<int> ("AudioDelay");
+
+ /* Backwards compatibility */
+ optional<double> r = node->optional_number_child<double> ("AudioVideoFrameRate");
+ if (r) {
+ _parent->set_video_frame_rate (r.get ());
+ }
}
-AudioContent::AudioContent (shared_ptr<const Film> film, vector<shared_ptr<Content> > c)
- : Content (film, c)
+AudioContent::AudioContent (Content* parent, vector<shared_ptr<Content> > c)
+ : ContentPart (parent)
{
- shared_ptr<AudioContent> ref = dynamic_pointer_cast<AudioContent> (c[0]);
+ shared_ptr<AudioContent> ref = c[0]->audio;
DCPOMATIC_ASSERT (ref);
- for (size_t i = 0; i < c.size(); ++i) {
- shared_ptr<AudioContent> ac = dynamic_pointer_cast<AudioContent> (c[i]);
-
- 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."));
}
-
- if (ac->audio_video_frame_rate() != ref->audio_video_frame_rate()) {
- throw JoinError (_("Content to be joined must have the same video frame rate."));
- }
}
- _audio_gain = ref->audio_gain ();
- _audio_delay = ref->audio_delay ();
- /* Preserve the optional<> part of this */
- _audio_video_frame_rate = ref->_audio_video_frame_rate;
+ _gain = ref->gain ();
+ _delay = ref->delay ();
+ _streams = ref->streams ();
}
void
AudioContent::as_xml (xmlpp::Node* node) const
{
boost::mutex::scoped_lock lm (_mutex);
- node->add_child("AudioGain")->add_child_text (raw_convert<string> (_audio_gain));
- node->add_child("AudioDelay")->add_child_text (raw_convert<string> (_audio_delay));
- if (_audio_video_frame_rate) {
- node->add_child("AudioVideoFrameRate")->add_child_text (raw_convert<string> (_audio_video_frame_rate.get()));
- }
+ 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_audio_gain (double g)
+AudioContent::set_gain (double g)
{
- {
- boost::mutex::scoped_lock lm (_mutex);
- _audio_gain = g;
- }
-
- signal_changed (AudioContentProperty::AUDIO_GAIN);
+ maybe_set (_gain, g, AudioContentProperty::GAIN);
}
void
-AudioContent::set_audio_delay (int d)
+AudioContent::set_delay (int d)
{
- {
- boost::mutex::scoped_lock lm (_mutex);
- _audio_delay = d;
- }
-
- signal_changed (AudioContentProperty::AUDIO_DELAY);
+ maybe_set (_delay, d, AudioContentProperty::DELAY);
}
string
AudioContent::technical_summary () const
{
string s = "audio :";
- BOOST_FOREACH (AudioStreamPtr i, audio_streams ()) {
+ BOOST_FOREACH (AudioStreamPtr i, streams ()) {
s += String::compose ("stream channels %1 rate %2", i->channels(), i->frame_rate());
}
}
void
-AudioContent::set_audio_mapping (AudioMapping mapping)
+AudioContent::set_mapping (AudioMapping mapping)
{
int c = 0;
- BOOST_FOREACH (AudioStreamPtr i, audio_streams ()) {
+ BOOST_FOREACH (AudioStreamPtr 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) {
i->set_mapping (stream_mapping);
}
- signal_changed (AudioContentProperty::AUDIO_STREAMS);
+ _parent->signal_changed (AudioContentProperty::STREAMS);
}
AudioMapping
-AudioContent::audio_mapping () const
+AudioContent::mapping () const
{
int channels = 0;
- BOOST_FOREACH (AudioStreamPtr i, audio_streams ()) {
+ BOOST_FOREACH (AudioStreamPtr i, streams ()) {
channels += i->channels ();
}
int c = 0;
int s = 0;
- BOOST_FOREACH (AudioStreamPtr i, audio_streams ()) {
+ BOOST_FOREACH (AudioStreamPtr i, streams ()) {
AudioMapping mapping = i->mapping ();
for (int j = 0; j < mapping.input_channels(); ++j) {
for (int k = 0; k < MAX_DCP_AUDIO_CHANNELS; ++k) {
* that it is in sync with the active video content at its start time.
*/
int
-AudioContent::resampled_audio_frame_rate () const
+AudioContent::resampled_frame_rate () const
{
/* Resample to a DCI-approved sample rate */
double t = has_rate_above_48k() ? 96000 : 48000;
- FrameRateChange frc (audio_video_frame_rate(), film()->video_frame_rate());
+ FrameRateChange frc (_parent->active_video_frame_rate(), _parent->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
string
AudioContent::processing_description () const
{
- vector<AudioStreamPtr> streams = audio_streams ();
- if (streams.empty ()) {
+ if (streams().empty ()) {
return "";
}
bool same = true;
optional<int> common_frame_rate;
- BOOST_FOREACH (AudioStreamPtr i, streams) {
- if (i->frame_rate() != resampled_audio_frame_rate()) {
+ BOOST_FOREACH (AudioStreamPtr i, streams()) {
+ if (i->frame_rate() != resampled_frame_rate()) {
resampled = true;
} else {
not_resampled = true;
}
if (not_resampled && resampled) {
- return String::compose (_("Some audio will be resampled to %1kHz"), resampled_audio_frame_rate ());
+ return String::compose (_("Some audio will be resampled to %1kHz"), resampled_frame_rate ());
}
if (!not_resampled && resampled) {
if (same) {
- return String::compose (_("Audio will be resampled from %1kHz to %2kHz"), common_frame_rate.get(), resampled_audio_frame_rate ());
+ return String::compose (_("Audio will be resampled from %1kHz to %2kHz"), common_frame_rate.get(), resampled_frame_rate ());
} else {
- return String::compose (_("Audio will be resampled to %1kHz"), resampled_audio_frame_rate ());
+ return String::compose (_("Audio will be resampled to %1kHz"), resampled_frame_rate ());
}
}
bool
AudioContent::has_rate_above_48k () const
{
- BOOST_FOREACH (AudioStreamPtr i, audio_streams ()) {
+ BOOST_FOREACH (AudioStreamPtr i, streams ()) {
if (i->frame_rate() > 48000) {
return true;
}
/** @return User-visible names of each of our audio channels */
vector<string>
-AudioContent::audio_channel_names () const
+AudioContent::channel_names () const
{
vector<string> n;
int t = 1;
- BOOST_FOREACH (AudioStreamPtr i, audio_streams ()) {
+ BOOST_FOREACH (AudioStreamPtr i, streams ()) {
for (int j = 0; j < i->channels(); ++j) {
n.push_back (String::compose ("%1:%2", t, j + 1));
}
AudioContent::add_properties (list<UserProperty>& p) const
{
shared_ptr<const AudioStream> stream;
- if (audio_streams().size() == 1) {
- stream = audio_streams().front ();
+ if (streams().size() == 1) {
+ stream = streams().front ();
}
if (stream) {
- p.push_back (UserProperty (_("Audio"), _("Channels"), stream->channels ()));
- p.push_back (UserProperty (_("Audio"), _("Content audio frame rate"), stream->frame_rate(), _("Hz")));
+ 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 (audio_video_frame_rate(), film()->video_frame_rate());
- ContentTime const c (full_length(), frc);
+ FrameRateChange const frc (_parent->active_video_frame_rate(), _parent->film()->video_frame_rate());
+ ContentTime const c (_parent->full_length(), frc);
p.push_back (
- UserProperty (_("Length"), _("Full length in video frames at content rate"), c.frames_round(frc.source))
+ UserProperty (UserProperty::LENGTH, _("Full length in video frames at content rate"), c.frames_round(frc.source))
);
if (stream) {
p.push_back (
UserProperty (
- _("Length"),
- _("Full length in audio frames at content rate"),
+ UserProperty::LENGTH,
+ _("Full length in audio samples at content rate"),
c.frames_round (stream->frame_rate ())
)
);
}
- p.push_back (UserProperty (_("Audio"), _("DCP frame rate"), resampled_audio_frame_rate (), _("Hz")));
- p.push_back (UserProperty (_("Length"), _("Full length in video frames at DCP rate"), c.frames_round (frc.dcp)));
+ p.push_back (UserProperty (UserProperty::AUDIO, _("DCP sample rate"), resampled_frame_rate (), _("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 (
- _("Length"),
- _("Full length in audio frames at DCP rate"),
- c.frames_round (resampled_audio_frame_rate ())
+ UserProperty::LENGTH,
+ _("Full length in audio samples at DCP rate"),
+ c.frames_round (resampled_frame_rate ())
)
);
}
}
void
-AudioContent::set_audio_video_frame_rate (double r)
+AudioContent::set_streams (vector<AudioStreamPtr> streams)
{
{
boost::mutex::scoped_lock lm (_mutex);
- _audio_video_frame_rate = r;
+ _streams = streams;
}
- signal_changed (AudioContentProperty::AUDIO_VIDEO_FRAME_RATE);
+ _parent->signal_changed (AudioContentProperty::STREAMS);
}
-double
-AudioContent::audio_video_frame_rate () const
+AudioStreamPtr
+AudioContent::stream () const
+{
+ boost::mutex::scoped_lock lm (_mutex);
+ DCPOMATIC_ASSERT (_streams.size() == 1);
+ return _streams.front ();
+}
+
+void
+AudioContent::add_stream (AudioStreamPtr stream)
{
{
boost::mutex::scoped_lock lm (_mutex);
- if (_audio_video_frame_rate) {
- return _audio_video_frame_rate.get ();
- }
+ _streams.push_back (stream);
}
- /* No frame rate specified, so assume this content has been
- prepared for any concurrent video content.
- */
- return film()->active_frame_rate_change(position()).source;
+ _parent->signal_changed (AudioContentProperty::STREAMS);
+}
+
+void
+AudioContent::set_stream (AudioStreamPtr stream)
+{
+ {
+ boost::mutex::scoped_lock lm (_mutex);
+ _streams.clear ();
+ _streams.push_back (stream);
+ }
+
+ _parent->signal_changed (AudioContentProperty::STREAMS);
}
projects / dcpomatic.git / blobdiff