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/*
Copyright (C) 2014-2020 Carl Hetherington <cth@carlh.net>
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.
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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file src/lib/dcp_examiner.h
* @brief DCPExaminer class.
*/
#include "video_examiner.h"
#include "audio_examiner.h"
#include "dcp.h"
#include "dcp_text_track.h"
#include "dcpomatic_assert.h"
#include <dcp/dcp_time.h>
class DCPContent;
class DCPExaminer : public DCP, public VideoExaminer, public AudioExaminer
{
public:
explicit DCPExaminer (boost::shared_ptr<const DCPContent>, bool tolerant);
bool has_video () const {
return _has_video;
}
boost::optional<double> video_frame_rate () const {
return _video_frame_rate;
}
dcp::Size video_size () const {
DCPOMATIC_ASSERT (_has_video);
DCPOMATIC_ASSERT (_video_size);
return *_video_size;
}
Frame video_length () const {
return _video_length;
}
bool yuv () const {
return false;
}
VideoRange range () const {
return VIDEO_RANGE_FULL;
}
std::string name () const {
return _name;
}
bool encrypted () const {
return _encrypted;
}
bool needs_assets () const {
return _needs_assets;
}
bool has_audio () const {
return _has_audio;
}
int audio_channels () const {
return _audio_channels.get_value_or (0);
}
Frame audio_length () const {
return _audio_length;
}
int audio_frame_rate () const {
return _audio_frame_rate.get_value_or (48000);
}
/** @param type TEXT_OPEN_SUBTITLE or TEXT_CLOSED_CAPTION.
* @return Number of assets of this type in this DCP.
*/
int text_count (TextType type) const {
return _text_count[type];
}
DCPTextTrack dcp_text_track (int i) const {
DCPOMATIC_ASSERT (i >= 0 && i < static_cast<int>(_dcp_text_tracks.size()));
return _dcp_text_tracks[i];
}
bool kdm_valid () const {
return _kdm_valid;
}
boost::optional<dcp::Standard> standard () const {
return _standard;
}
bool three_d () const {
return _three_d;
}
dcp::ContentKind content_kind () const {
return _content_kind;
}
std::string cpl () const {
return _cpl;
}
std::list<int64_t> reel_lengths () const {
return _reel_lengths;
}
std::map<dcp::Marker, dcp::Time> markers () const {
return _markers;
}
std::vector<dcp::Rating> ratings () const {
return _ratings;
}
std::string content_version () const {
return _content_version;
}
bool has_atmos () const {
return _has_atmos;
}
Frame atmos_length () const {
return _atmos_length;
}
dcp::Fraction atmos_edit_rate () const {
return _atmos_edit_rate;
}
private:
boost::optional<double> _video_frame_rate;
boost::optional<dcp::Size> _video_size;
Frame _video_length;
boost::optional<int> _audio_channels;
boost::optional<int> _audio_frame_rate;
Frame _audio_length;
std::string _name;
/** true if this DCP has video content (but false if it has unresolved references to video content) */
bool _has_video;
/** true if this DCP has audio content (but false if it has unresolved references to audio content) */
bool _has_audio;
/** number of different assets of each type (OCAP/CCAP) */
int _text_count[TEXT_COUNT];
/** the DCPTextTracks for each of our CCAPs */
std::vector<DCPTextTrack> _dcp_text_tracks;
bool _encrypted;
bool _needs_assets;
bool _kdm_valid;
boost::optional<dcp::Standard> _standard;
bool _three_d;
dcp::ContentKind _content_kind;
std::string _cpl;
std::list<int64_t> _reel_lengths;
std::map<dcp::Marker, dcp::Time> _markers;
std::vector<dcp::Rating> _ratings;
std::string _content_version;
bool _has_atmos;
Frame _atmos_length;
dcp::Fraction _atmos_edit_rate;
};
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