-/* -*- c-basic-offset: 8; default-tab-width: 8; -*- */
-
/*
- Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2012-2016 Carl Hetherington <cth@carlh.net>
+
+ This file is part of DCP-o-matic.
- This program is free software; you can redistribute it and/or modify
+ 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>
+#include "util.h"
+#include "decoder.h"
+#include "ffmpeg.h"
extern "C" {
#include <libavcodec/avcodec.h>
-#include <libpostproc/postprocess.h>
}
-#include "util.h"
-#include "decoder.h"
-#include "video_decoder.h"
-#include "audio_decoder.h"
-
-struct AVFilterGraph;
-struct AVCodecContext;
-struct AVFilterContext;
-struct AVFormatContext;
-struct AVFrame;
-struct AVBufferContext;
-struct AVCodec;
-struct AVStream;
-class Job;
-class Options;
-class Image;
+#include <boost/thread/mutex.hpp>
+#include <stdint.h>
+
class Log;
-class FFmpegContent;
-class Film;
+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
+class FFmpegDecoder : public FFmpeg, public Decoder
{
public:
- FFmpegDecoder (boost::shared_ptr<const Film>, boost::shared_ptr<const FFmpegContent>, bool video, bool audio, bool subtitles);
- ~FFmpegDecoder ();
-
- /* Decoder */
-
- void pass ();
- void seek (Time);
- void seek_back ();
- void seek_forward ();
- Time next () const;
- bool done () const;
-
- /* VideoDecoder */
-
- float video_frame_rate () const;
- libdcp::Size video_size () const;
- ContentVideoFrame video_length () const;
-
- /* FFmpegDecoder */
+ FFmpegDecoder (std::shared_ptr<const Film> film, std::shared_ptr<const FFmpegContent>, bool fast);
- std::vector<boost::shared_ptr<FFmpegSubtitleStream> > subtitle_streams () const {
- return _subtitle_streams;
- }
-
- std::vector<boost::shared_ptr<FFmpegAudioStream> > audio_streams () const {
- return _audio_streams;
- }
-
- boost::shared_ptr<const FFmpegContent> ffmpeg_content () const {
- return _ffmpeg_content;
- }
+ bool pass () override;
+ void seek (dcpomatic::ContentTime time, bool) override;
private:
+ friend struct ::ffmpeg_pts_offset_test;
- /* No copy construction */
- FFmpegDecoder (FFmpegDecoder const &);
- FFmpegDecoder& operator= (FFmpegDecoder const &);
-
- PixelFormat pixel_format () const;
- AVSampleFormat audio_sample_format () const;
- int bytes_per_audio_sample () const;
- void do_seek (Time, bool, bool);
+ bool flush ();
- void setup_general ();
- void setup_video ();
- void setup_audio ();
- void setup_subtitle ();
+ static std::shared_ptr<AudioBuffers> deinterleave_audio (AVFrame* frame);
- bool decode_video_packet ();
- void decode_audio_packet ();
+ AVSampleFormat audio_sample_format (std::shared_ptr<FFmpegAudioStream> stream) const;
+ int bytes_per_audio_sample (std::shared_ptr<FFmpegAudioStream> stream) const;
- void maybe_add_subtitle ();
- boost::shared_ptr<AudioBuffers> deinterleave_audio (uint8_t** data, int size);
+ std::shared_ptr<FFmpegAudioStream> audio_stream_from_index (int index) const;
+ void process_audio_frame (std::shared_ptr<FFmpegAudioStream> stream);
- std::string stream_name (AVStream* s) const;
+ void process_video_frame ();
- boost::shared_ptr<const FFmpegContent> _ffmpeg_content;
+ bool decode_and_process_video_packet (AVPacket* packet);
+ void decode_and_process_audio_packet (AVPacket* packet);
+ void decode_and_process_subtitle_packet (AVPacket* packet);
- AVFormatContext* _format_context;
- int _video_stream;
-
- AVFrame* _frame;
+ void process_bitmap_subtitle (AVSubtitleRect const * rect, dcpomatic::ContentTime from);
+ void process_ass_subtitle (std::string ass, dcpomatic::ContentTime from);
- AVCodecContext* _video_codec_context;
- AVCodec* _video_codec;
- AVCodecContext* _audio_codec_context; ///< may be 0 if there is no audio
- AVCodec* _audio_codec; ///< may be 0 if there is no audio
- AVCodecContext* _subtitle_codec_context; ///< may be 0 if there is no subtitle
- AVCodec* _subtitle_codec; ///< may be 0 if there is no subtitle
-
- AVPacket _packet;
+ void maybe_add_subtitle ();
- std::list<boost::shared_ptr<FilterGraph> > _filter_graphs;
+ std::list<std::shared_ptr<VideoFilterGraph> > _filter_graphs;
boost::mutex _filter_graphs_mutex;
- std::vector<boost::shared_ptr<FFmpegSubtitleStream> > _subtitle_streams;
- std::vector<boost::shared_ptr<FFmpegAudioStream> > _audio_streams;
+ dcpomatic::ContentTime _pts_offset;
+ boost::optional<dcpomatic::ContentTime> _current_subtitle_to;
+ /** true if we have a subtitle which has not had emit_stop called for it yet */
+ bool _have_current_subtitle = false;
- bool _decode_video;
- bool _decode_audio;
- bool _decode_subtitles;
+ std::shared_ptr<Image> _black_image;
- /* It would appear (though not completely verified) that one must have
- a mutex around calls to avcodec_open* and avcodec_close... and here
- it is.
- */
- static boost::mutex _mutex;
+ std::map<std::shared_ptr<FFmpegAudioStream>, boost::optional<dcpomatic::ContentTime>> _next_time;
};
projects / dcpomatic.git / blobdiff