/*
- Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2017 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 <boost/optional.hpp>
+
#include "ffmpeg.h"
#include "video_examiner.h"
+#include <boost/optional.hpp>
+
+struct AVStream;
class FFmpegAudioStream;
class FFmpegSubtitleStream;
+class Job;
+
class FFmpegExaminer : public FFmpeg, public VideoExaminer
{
public:
- FFmpegExaminer (boost::shared_ptr<const FFmpegContent>);
-
- float video_frame_rate () const;
- libdcp::Size video_size () const;
- ContentVideoFrame video_length () const;
+ FFmpegExaminer (std::shared_ptr<const FFmpegContent>, std::shared_ptr<Job> job = std::shared_ptr<Job>());
+
+ bool has_video () const override;
+
+ boost::optional<double> video_frame_rate () const override;
+ boost::optional<dcp::Size> video_size() const override;
+ Frame video_length () const override;
+ boost::optional<double> sample_aspect_ratio () const override;
+ bool yuv () const override;
- std::vector<boost::shared_ptr<FFmpegSubtitleStream> > subtitle_streams () const {
+ std::vector<std::shared_ptr<FFmpegSubtitleStream>> subtitle_streams () const {
return _subtitle_streams;
}
-
- std::vector<boost::shared_ptr<FFmpegAudioStream> > audio_streams () const {
+
+ std::vector<std::shared_ptr<FFmpegAudioStream>> audio_streams () const {
return _audio_streams;
}
- boost::optional<Time> first_video () const {
+ boost::optional<dcpomatic::ContentTime> first_video () const {
return _first_video;
}
-
+
+ VideoRange range () const override;
+
+ PixelQuanta pixel_quanta () const override;
+
+ AVColorRange color_range () const {
+ return video_codec_context()->color_range;
+ }
+
+ AVColorPrimaries color_primaries () const {
+ return video_codec_context()->color_primaries;
+ }
+
+ AVColorTransferCharacteristic color_trc () const {
+ return video_codec_context()->color_trc;
+ }
+
+ AVColorSpace colorspace () const {
+ return video_codec_context()->colorspace;
+ }
+
+ boost::optional<int> bits_per_pixel () const;
+
+ bool has_alpha() const;
+
+ boost::optional<double> rotation () const {
+ return _rotation;
+ }
+
+ bool pulldown () const {
+ return _pulldown;
+ }
+
private:
+ bool video_packet (AVCodecContext* context, std::string& temporal_reference, AVPacket* packet);
+ void audio_packet (AVCodecContext* context, std::shared_ptr<FFmpegAudioStream>, AVPacket* packet);
+
std::string stream_name (AVStream* s) const;
- boost::optional<Time> frame_time (int) const;
-
- std::vector<boost::shared_ptr<FFmpegSubtitleStream> > _subtitle_streams;
- std::vector<boost::shared_ptr<FFmpegAudioStream> > _audio_streams;
- boost::optional<Time> _first_video;
+ std::string subtitle_stream_name (AVStream* s) const;
+ boost::optional<dcpomatic::ContentTime> frame_time (AVFrame* frame, AVStream* stream) const;
+
+ std::vector<std::shared_ptr<FFmpegSubtitleStream>> _subtitle_streams;
+ std::vector<std::shared_ptr<FFmpegAudioStream>> _audio_streams;
+ boost::optional<dcpomatic::ContentTime> _first_video;
+ /** Video length, either obtained from the header or derived by running
+ * through the whole file.
+ */
+ Frame _video_length;
+ bool _need_video_length;
+
+ boost::optional<double> _rotation;
+ bool _pulldown;
+
+ struct SubtitleStart
+ {
+ SubtitleStart (std::string id_, bool image_, dcpomatic::ContentTime time_)
+ : id (id_)
+ , image (image_)
+ , time (time_)
+ {}
+
+ std::string id;
+ /** true if it's an image subtitle, false for text */
+ bool image;
+ dcpomatic::ContentTime time;
+ };
+
+ typedef std::map<std::shared_ptr<FFmpegSubtitleStream>, boost::optional<SubtitleStart>> LastSubtitleMap;
+ LastSubtitleMap _last_subtitle_start;
};