X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Faudio_content.cc;h=22521c9e9b8be6ab6a263ef44b62b7ed22302e5f;hb=ba9fb85168d004d7643dc02f911fd173a136758b;hp=a89184de3a8848e60cf6d0cff652873a6fe3622a;hpb=5189e5720bd583dbf8a4a4e89c5a1b2e61c6d214;p=dcpomatic.git diff --git a/src/lib/audio_content.cc b/src/lib/audio_content.cc index a89184de3..22521c9e9 100644 --- a/src/lib/audio_content.cc +++ b/src/lib/audio_content.cc @@ -1,19 +1,20 @@ /* - Copyright (C) 2013-2016 Carl Hetherington + Copyright (C) 2013-2018 Carl Hetherington - 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 . */ @@ -22,8 +23,8 @@ #include "exceptions.h" #include "config.h" #include "frame_rate_change.h" -#include "raw_convert.h" #include "compose.hpp" +#include #include #include #include @@ -34,7 +35,6 @@ using std::string; using std::cout; using std::vector; -using std::stringstream; using std::fixed; using std::list; using std::pair; @@ -42,6 +42,8 @@ using std::setprecision; using boost::shared_ptr; 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; @@ -57,8 +59,19 @@ AudioContent::AudioContent (Content* parent) } shared_ptr -AudioContent::from_xml (Content* parent, cxml::ConstNodePtr node) +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 (); + } + + /* Otherwise we can drop through to the newer logic */ + } + if (!node->optional_number_child ("AudioGain")) { return shared_ptr (); } @@ -123,9 +136,9 @@ AudioContent::set_delay (int d) string AudioContent::technical_summary () const { - string s = "audio :"; + string s = "audio: "; BOOST_FOREACH (AudioStreamPtr i, streams ()) { - s += String::compose ("stream channels %1 rate %2", i->channels(), i->frame_rate()); + s += String::compose ("stream channels %1 rate %2 ", i->channels(), i->frame_rate()); } return s; @@ -134,6 +147,8 @@ AudioContent::technical_summary () const void AudioContent::set_mapping (AudioMapping mapping) { + ChangeSignaller cc (_parent, AudioContentProperty::STREAMS); + int c = 0; BOOST_FOREACH (AudioStreamPtr i, streams ()) { AudioMapping stream_mapping (i->channels (), MAX_DCP_AUDIO_CHANNELS); @@ -145,8 +160,6 @@ AudioContent::set_mapping (AudioMapping mapping) } i->set_mapping (stream_mapping); } - - _parent->signal_changed (AudioContentProperty::STREAMS); } AudioMapping @@ -182,12 +195,11 @@ AudioContent::mapping () const * that it is in sync with the active video content at its start time. */ int -AudioContent::resampled_frame_rate () const +AudioContent::resampled_frame_rate (shared_ptr film) const { - /* Resample to a DCI-approved sample rate */ - double t = has_rate_above_48k() ? 96000 : 48000; + double t = film->audio_frame_rate (); - FrameRateChange frc (_parent->active_video_frame_rate(), _parent->film()->video_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 @@ -202,7 +214,7 @@ AudioContent::resampled_frame_rate () const } string -AudioContent::processing_description () const +AudioContent::processing_description (shared_ptr film) const { if (streams().empty ()) { return ""; @@ -221,7 +233,7 @@ AudioContent::processing_description () const optional common_frame_rate; BOOST_FOREACH (AudioStreamPtr i, streams()) { - if (i->frame_rate() != resampled_frame_rate()) { + if (i->frame_rate() != resampled_frame_rate(film)) { resampled = true; } else { not_resampled = true; @@ -238,52 +250,40 @@ AudioContent::processing_description () const } if (not_resampled && resampled) { - return String::compose (_("Some audio will be resampled to %1kHz"), resampled_frame_rate ()); + 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 %1kHz to %2kHz"), common_frame_rate.get(), resampled_frame_rate ()); + 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 %1kHz"), resampled_frame_rate ()); + return String::compose (_("Audio will be resampled to %1Hz"), resampled_frame_rate(film)); } } return ""; } -/** @return true if any stream in this content has a sampling rate of more than 48kHz */ -bool -AudioContent::has_rate_above_48k () const -{ - BOOST_FOREACH (AudioStreamPtr i, streams ()) { - if (i->frame_rate() > 48000) { - return true; - } - } - - return false; -} - /** @return User-visible names of each of our audio channels */ -vector +vector AudioContent::channel_names () const { - vector n; + vector n; - int t = 1; + int index = 0; + int stream = 1; BOOST_FOREACH (AudioStreamPtr i, streams ()) { for (int j = 0; j < i->channels(); ++j) { - n.push_back (String::compose ("%1:%2", t, j + 1)); + n.push_back (NamedChannel(String::compose ("%1:%2", stream, j + 1), index++)); } - ++t; + ++stream; } return n; } void -AudioContent::add_properties (list& p) const +AudioContent::add_properties (shared_ptr film, list& p) const { shared_ptr stream; if (streams().size() == 1) { @@ -291,36 +291,36 @@ AudioContent::add_properties (list& p) const } if (stream) { - p.push_back (UserProperty (_("Audio"), _("Channels"), stream->channels ())); - p.push_back (UserProperty (_("Audio"), _("Content audio sample 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 (_parent->active_video_frame_rate(), _parent->film()->video_frame_rate()); - ContentTime const c (_parent->full_length(), frc); + 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 (_("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"), + 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_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(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 ( - _("Length"), + UserProperty::LENGTH, _("Full length in audio samples at DCP rate"), - c.frames_round (resampled_frame_rate ()) + c.frames_round(resampled_frame_rate(film)) ) ); } @@ -329,12 +329,12 @@ AudioContent::add_properties (list& p) const void AudioContent::set_streams (vector streams) { + ChangeSignaller cc (_parent, AudioContentProperty::STREAMS); + { boost::mutex::scoped_lock lm (_mutex); _streams = streams; } - - _parent->signal_changed (AudioContentProperty::STREAMS); } AudioStreamPtr @@ -348,22 +348,52 @@ AudioContent::stream () const void AudioContent::add_stream (AudioStreamPtr stream) { + ChangeSignaller cc (_parent, AudioContentProperty::STREAMS); + { boost::mutex::scoped_lock lm (_mutex); _streams.push_back (stream); } - - _parent->signal_changed (AudioContentProperty::STREAMS); } void AudioContent::set_stream (AudioStreamPtr stream) { + ChangeSignaller cc (_parent, AudioContentProperty::STREAMS); + { boost::mutex::scoped_lock lm (_mutex); _streams.clear (); _streams.push_back (stream); } +} + +void +AudioContent::take_settings_from (shared_ptr c) +{ + 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; + } +} + +void +AudioContent::modify_position (shared_ptr film, DCPTime& pos) const +{ + pos = pos.round (film->audio_frame_rate()); +} - _parent->signal_changed (AudioContentProperty::STREAMS); +void +AudioContent::modify_trim_start (ContentTime& trim) const +{ + DCPOMATIC_ASSERT (!_streams.empty()); + /* XXX: we're in trouble if streams have different rates */ + trim = trim.round (_streams.front()->frame_rate()); }