Accessor for ClosedCaptionsDialog.

[dcpomatic.git] / src / lib / ffmpeg.h

diff --git a/src/lib/ffmpeg.h b/src/lib/ffmpeg.h
index c94b8d8ac22ae697db346eb33c25afedb9b83a2d..10517055c26cf842619699a901bc561ff00a8fde 100644 (file)
--- a/src/lib/ffmpeg.h
+++ b/src/lib/ffmpeg.h
@@ -1,49 +1,46 @@
 /*
-    Copyright (C) 2013 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2013-2016 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/>.
 
 */
 
 #ifndef DCPOMATIC_FFMPEG_H
 #define DCPOMATIC_FFMPEG_H
 
-#include <vector>
-#include <boost/shared_ptr.hpp>
-#include <boost/thread/mutex.hpp>
+#include "file_group.h"
+#include "ffmpeg_subtitle_period.h"
 extern "C" {
 #include <libavcodec/avcodec.h>
 }
-#include "file_group.h"
+#include <boost/shared_ptr.hpp>
+#include <boost/thread/mutex.hpp>
 
-struct AVFilterGraph;
-struct AVCodecContext;
-struct AVFilterContext;
 struct AVFormatContext;
 struct AVFrame;
-struct AVBufferContext;
-struct AVCodec;
-struct AVStream;
 struct AVIOContext;
 
 class FFmpegContent;
+class FFmpegAudioStream;
+class Log;
 
 class FFmpeg
 {
 public:
-       FFmpeg (boost::shared_ptr<const FFmpegContent>, bool);
+       explicit FFmpeg (boost::shared_ptr<const FFmpegContent>);
        virtual ~FFmpeg ();
 
        boost::shared_ptr<const FFmpegContent> ffmpeg_content () const {
@@ -52,24 +49,29 @@ public:
 
        int avio_read (uint8_t *, int);
        int64_t avio_seek (int64_t, int);
-       int64_t avio_length ();
 
 protected:
        AVCodecContext* video_codec_context () const;
-       AVCodecContext* audio_codec_context () const;
-       
+       AVCodecContext* subtitle_codec_context () const;
+       dcpomatic::ContentTime pts_offset (
+               std::vector<boost::shared_ptr<FFmpegAudioStream> > audio_streams, boost::optional<dcpomatic::ContentTime> first_video, double video_frame_rate
+               ) const;
+
+       static FFmpegSubtitlePeriod subtitle_period (AVSubtitle const & sub);
+
        boost::shared_ptr<const FFmpegContent> _ffmpeg_content;
 
        uint8_t* _avio_buffer;
        int _avio_buffer_size;
        AVIOContext* _avio_context;
        FileGroup _file_group;
-       
+
        AVFormatContext* _format_context;
        AVPacket _packet;
        AVFrame* _frame;
-       
-       int _video_stream;
+
+       /** Index of video stream within AVFormatContext */
+       boost::optional<int> _video_stream;
 
        /* It would appear (though not completely verified) that one must have
           a mutex around calls to avcodec_open* and avcodec_close... and here
@@ -78,9 +80,11 @@ protected:
        static boost::mutex _mutex;
 
 private:
-       void setup_general (bool);
-       void setup_video ();
-       void setup_audio ();
+       void setup_general ();
+       void setup_decoders ();
+
+       static void ffmpeg_log_callback (void* ptr, int level, const char* fmt, va_list vl);
+       static boost::weak_ptr<Log> _ffmpeg_log;
 };
 
 #endif