/*
- Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2016 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/>.
*/
* @brief A decoder using FFmpeg to decode content.
*/
-#include <vector>
-#include <string>
-#include <stdint.h>
-#include <boost/shared_ptr.hpp>
-#include <boost/optional.hpp>
-#include <boost/thread/mutex.hpp>
-extern "C" {
-#include <libavcodec/avcodec.h>
-}
#include "util.h"
#include "decoder.h"
-#include "video_decoder.h"
-#include "audio_decoder.h"
-#include "subtitle_decoder.h"
#include "ffmpeg.h"
+extern "C" {
+#include <libavcodec/avcodec.h>
+}
+#include <boost/shared_ptr.hpp>
+#include <boost/thread/mutex.hpp>
+#include <stdint.h>
class Log;
-class FilterGraph;
-class ffmpeg_pts_offset_test;
+class VideoFilterGraph;
+class FFmpegAudioStream;
+class AudioBuffers;
+class Image;
+struct ffmpeg_pts_offset_test;
/** @class FFmpegDecoder
* @brief A decoder using FFmpeg to decode content.
*/
-class FFmpegDecoder : public VideoDecoder, public AudioDecoder, public SubtitleDecoder, public FFmpeg
+class FFmpegDecoder : public FFmpeg, public Decoder
{
public:
- FFmpegDecoder (boost::shared_ptr<const FFmpegContent>, boost::shared_ptr<Log>);
- ~FFmpegDecoder ();
+ FFmpegDecoder (boost::shared_ptr<const Film> film, boost::shared_ptr<const FFmpegContent>, bool fast);
+
+ bool pass ();
+ void seek (ContentTime time, bool);
private:
- friend class ::ffmpeg_pts_offset_test;
+ friend struct ::ffmpeg_pts_offset_test;
- void seek (ContentTime time, bool);
- bool pass ();
void flush ();
- AVSampleFormat audio_sample_format () const;
- int bytes_per_audio_sample () const;
+ AVSampleFormat audio_sample_format (boost::shared_ptr<FFmpegAudioStream> stream) const;
+ int bytes_per_audio_sample (boost::shared_ptr<FFmpegAudioStream> stream) const;
bool decode_video_packet ();
void decode_audio_packet ();
void decode_subtitle_packet ();
+ void decode_bitmap_subtitle (AVSubtitleRect const * rect, ContentTime from);
+ void decode_ass_subtitle (std::string ass, ContentTime from);
+
void maybe_add_subtitle ();
- boost::shared_ptr<AudioBuffers> deinterleave_audio (uint8_t** data, int size);
-
- bool seek_overrun_finished (ContentTime, boost::optional<ContentTime>, boost::optional<ContentTime>) const;
- bool seek_final_finished (int, int) const;
- int minimal_run (boost::function<bool (boost::optional<ContentTime>, boost::optional<ContentTime>, int)>);
- void seek_and_flush (ContentTime);
-
- bool has_subtitle_during (ContentTimePeriod) const;
-
- boost::shared_ptr<Log> _log;
- AVCodecContext* _subtitle_codec_context; ///< may be 0 if there is no subtitle
- AVCodec* _subtitle_codec; ///< may be 0 if there is no subtitle
-
- std::list<boost::shared_ptr<FilterGraph> > _filter_graphs;
+ boost::shared_ptr<AudioBuffers> deinterleave_audio (boost::shared_ptr<FFmpegAudioStream> stream) const;
+
+ std::list<boost::shared_ptr<VideoFilterGraph> > _filter_graphs;
boost::mutex _filter_graphs_mutex;
ContentTime _pts_offset;
+ boost::optional<ContentTime> _current_subtitle_to;
+ /** true if we have a subtitle which has not had emit_stop called for it yet */
+ bool _have_current_subtitle;
+
+ boost::shared_ptr<Image> _black_image;
+
+ std::vector<boost::optional<ContentTime> > _next_time;
};