X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fffmpeg.h;h=59b2dedd5bd5d05998b67e1485f33ec33d2c2a3c;hb=c7be61688e55ceb5aa87a16fb3d13896c6972e80;hp=58223fa97d82cf94593d0aff6339733a0261376b;hpb=e29ce33a36c2e20444d57196defc86d5072bce81;p=dcpomatic.git

diff --git a/src/lib/ffmpeg.h b/src/lib/ffmpeg.h
index 58223fa97..59b2dedd5 100644
--- a/src/lib/ffmpeg.h
+++ b/src/lib/ffmpeg.h
@@ -36,6 +36,7 @@ DCPOMATIC_ENABLE_WARNINGS
 
 struct AVFormatContext;
 struct AVFrame;
+struct AVStream;
 struct AVIOContext;
 
 class FFmpegContent;
@@ -63,7 +64,7 @@ protected:
 		std::vector<std::shared_ptr<FFmpegAudioStream>> audio_streams, boost::optional<dcpomatic::ContentTime> first_video, double video_frame_rate
 		) const;
 
-	static FFmpegSubtitlePeriod subtitle_period (AVSubtitle const & sub);
+	static FFmpegSubtitlePeriod subtitle_period (AVPacket const* packet, AVStream const* stream, AVSubtitle const & sub);
 
 	std::shared_ptr<const FFmpegContent> _ffmpeg_content;
 
@@ -74,11 +75,14 @@ protected:
 
 	AVFormatContext* _format_context = nullptr;
 	std::vector<AVCodecContext*> _codec_context;
-	AVFrame* _frame = nullptr;
 
+	/** AVFrame used for decoding video */
+	AVFrame* _video_frame = nullptr;
 	/** Index of video stream within AVFormatContext */
 	boost::optional<int> _video_stream;
 
+	AVFrame* audio_frame (std::shared_ptr<const FFmpegAudioStream> stream);
+
 	/* 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.
@@ -91,6 +95,9 @@ private:
 
 	static void ffmpeg_log_callback (void* ptr, int level, const char* fmt, va_list vl);
 	static std::weak_ptr<Log> _ffmpeg_log;
+
+	/** AVFrames used for decoding audio streams; accessed with audio_frame() */
+	std::map<std::shared_ptr<const FFmpegAudioStream>, AVFrame*> _audio_frame;
 };