- boost::shared_ptr<SubtitleDecoder> subtitle;
-
- enum PassReason {
- PASS_REASON_VIDEO,
- PASS_REASON_AUDIO,
- PASS_REASON_SUBTITLE
- };
-
- /** Seek so that the next pass() will yield the next thing
- * (video/sound frame, subtitle etc.) at or after the requested
- * time. Pass accurate = true to try harder to ensure that, at worst,
- * the next thing we yield comes before `time'. This may entail
- * seeking some way before `time' to be on the safe side.
- * Alternatively, if seeking is 100% accurate for this decoder,
- * it may seek to just the right spot.
+ std::list<boost::shared_ptr<TextDecoder> > text;
+
+ boost::shared_ptr<TextDecoder> only_text () const;
+
+ /** Do some decoding and perhaps emit video, audio or subtitle data.
+ * @return true if this decoder will emit no more data unless a seek() happens.