X-Git-Url: https://main.carlh.net/gitweb/?p=dcpomatic.git;a=blobdiff_plain;f=src%2Flib%2Faudio_content.cc;h=170b9299f5578d312e514d7c34fd613bd916fd02;hp=b6749d20be0f44794dadd81abdedb9b7878fdedd;hb=f0c10e92b849566e458bc323f8783a6fe83e52d2;hpb=fa61fc99549264810e17fcd35abffe9e8ddab5b2 diff --git a/src/lib/audio_content.cc b/src/lib/audio_content.cc index b6749d20b..170b9299f 100644 --- a/src/lib/audio_content.cc +++ b/src/lib/audio_content.cc @@ -1,176 +1,155 @@ /* - Copyright (C) 2013-2015 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 . */ #include "audio_content.h" -#include "analyse_audio_job.h" -#include "job_manager.h" #include "film.h" #include "exceptions.h" #include "config.h" #include "frame_rate_change.h" -#include "raw_convert.h" +#include "compose.hpp" +#include #include +#include #include +#include #include "i18n.h" using std::string; using std::cout; using std::vector; -using std::stringstream; using std::fixed; +using std::list; +using std::pair; using std::setprecision; using boost::shared_ptr; using boost::dynamic_pointer_cast; using boost::optional; +using dcp::raw_convert; /** Something stream-related has changed */ -int const AudioContentProperty::AUDIO_STREAMS = 200; -int const AudioContentProperty::AUDIO_GAIN = 201; -int const AudioContentProperty::AUDIO_DELAY = 202; - -AudioContent::AudioContent (shared_ptr f) - : Content (f) - , _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 f, DCPTime s) - : Content (f, s) - , _audio_gain (0) - , _audio_delay (Config::instance()->default_audio_delay ()) +shared_ptr +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 */ + } -AudioContent::AudioContent (shared_ptr f, boost::filesystem::path p) - : Content (f, p) - , _audio_gain (0) - , _audio_delay (Config::instance()->default_audio_delay ()) -{ + if (!node->optional_number_child ("AudioGain")) { + return shared_ptr (); + } + return shared_ptr (new AudioContent (parent, node)); } -AudioContent::AudioContent (shared_ptr f, cxml::ConstNodePtr node) - : Content (f, node) +AudioContent::AudioContent (Content* parent, cxml::ConstNodePtr node) + : ContentPart (parent) { - _audio_gain = node->number_child ("AudioGain"); - _audio_delay = node->number_child ("AudioDelay"); + _gain = node->number_child ("AudioGain"); + _delay = node->number_child ("AudioDelay"); + + /* Backwards compatibility */ + optional r = node->optional_number_child ("AudioVideoFrameRate"); + if (r) { + _parent->set_video_frame_rate (r.get ()); + } } -AudioContent::AudioContent (shared_ptr f, vector > c) - : Content (f, c) +AudioContent::AudioContent (Content* parent, vector > c) + : ContentPart (parent) { - shared_ptr ref = dynamic_pointer_cast (c[0]); + shared_ptr ref = c[0]->audio; DCPOMATIC_ASSERT (ref); - - for (size_t i = 0; i < c.size(); ++i) { - shared_ptr ac = dynamic_pointer_cast (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.")); } } - _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 { boost::mutex::scoped_lock lm (_mutex); - node->add_child("AudioGain")->add_child_text (raw_convert (_audio_gain)); - node->add_child("AudioDelay")->add_child_text (raw_convert (_audio_delay)); + node->add_child("AudioGain")->add_child_text (raw_convert (_gain)); + node->add_child("AudioDelay")->add_child_text (raw_convert (_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); -} - -boost::signals2::connection -AudioContent::analyse_audio (boost::function finished) -{ - shared_ptr film = _film.lock (); - DCPOMATIC_ASSERT (film); - - shared_ptr job (new AnalyseAudioJob (film, dynamic_pointer_cast (shared_from_this()))); - boost::signals2::connection c = job->Finished.connect (finished); - JobManager::instance()->add (job); - - return c; -} - -boost::filesystem::path -AudioContent::audio_analysis_path () const -{ - shared_ptr film = _film.lock (); - if (!film) { - return boost::filesystem::path (); - } - - boost::filesystem::path p = film->audio_analysis_dir (); - p /= digest() + "_" + audio_mapping().digest(); - return p; + maybe_set (_delay, d, AudioContentProperty::DELAY); } string AudioContent::technical_summary () const { - string s = "audio :"; - BOOST_FOREACH (AudioStreamPtr i, audio_streams ()) { - s += String::compose ("stream channels %1 rate %2", i->channels(), i->frame_rate()); + string s = "audio: "; + BOOST_FOREACH (AudioStreamPtr i, streams ()) { + s += String::compose ("stream channels %1 rate %2 ", i->channels(), i->frame_rate()); } return s; } void -AudioContent::set_audio_mapping (AudioMapping mapping) +AudioContent::set_mapping (AudioMapping mapping) { + ChangeSignaller cc (_parent, AudioContentProperty::STREAMS); + 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) { @@ -180,27 +159,28 @@ AudioContent::set_audio_mapping (AudioMapping mapping) } i->set_mapping (stream_mapping); } - - signal_changed (AudioContentProperty::AUDIO_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 (); } - + AudioMapping merged (channels, MAX_DCP_AUDIO_CHANNELS); - + merged.make_zero (); + 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) { - merged.set (c, k, mapping.get (j, k)); + if (k < mapping.output_channels()) { + merged.set (c, k, mapping.get (j, k)); + } } ++c; } @@ -214,15 +194,11 @@ AudioContent::audio_mapping () const * 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 (shared_ptr film) const { - shared_ptr film = _film.lock (); - DCPOMATIC_ASSERT (film); - - /* Resample to a DCI-approved sample rate */ - double t = has_rate_above_48k() ? 96000 : 48000; + double t = film->audio_frame_rate (); - FrameRateChange frc = film->active_frame_rate_change (position ()); + 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 @@ -233,14 +209,13 @@ AudioContent::resampled_audio_frame_rate () const t /= frc.speed_up; } - return rint (t); + return lrint (t); } string -AudioContent::processing_description () const +AudioContent::processing_description (shared_ptr film) const { - vector streams = audio_streams (); - if (streams.empty ()) { + if (streams().empty ()) { return ""; } @@ -256,8 +231,8 @@ AudioContent::processing_description () const bool same = true; optional 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(film)) { resampled = true; } else { not_resampled = true; @@ -274,41 +249,28 @@ AudioContent::processing_description () const } 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 %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_audio_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_audio_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, audio_streams ()) { - if (i->frame_rate() > 48000) { - return true; - } - } - - return false; -} - /** @return User-visible names of each of our audio channels */ vector -AudioContent::audio_channel_names () const +AudioContent::channel_names () const { vector 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)); } @@ -317,3 +279,119 @@ AudioContent::audio_channel_names () const return n; } + +void +AudioContent::add_properties (shared_ptr film, list& p) const +{ + shared_ptr 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_streams (vector streams) +{ + ChangeSignaller cc (_parent, AudioContentProperty::STREAMS); + + { + boost::mutex::scoped_lock lm (_mutex); + _streams = streams; + } +} + +AudioStreamPtr +AudioContent::stream () const +{ + boost::mutex::scoped_lock lm (_mutex); + DCPOMATIC_ASSERT (_streams.size() == 1); + return _streams.front (); +} + +void +AudioContent::add_stream (AudioStreamPtr stream) +{ + ChangeSignaller cc (_parent, AudioContentProperty::STREAMS); + + { + boost::mutex::scoped_lock lm (_mutex); + _streams.push_back (stream); + } +} + +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()); +} + +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()); +}