X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fdecoder.h;h=d87ff610ac47d3a9eae2eb795ac072a397c26b3f;hb=89aa9d4ba69e471949f791cdafe4ae20cea554d2;hp=3717d931d63e20be1dd6701ab304cffaf1c13e0b;hpb=a28ef704adf8c5bfa45b3d6285f741af64758ceb;p=dcpomatic.git diff --git a/src/lib/decoder.h b/src/lib/decoder.h index 3717d931d..d87ff610a 100644 --- a/src/lib/decoder.h +++ b/src/lib/decoder.h @@ -1,5 +1,5 @@ /* - Copyright (C) 2012-2015 Carl Hetherington + Copyright (C) 2012-2016 Carl Hetherington This file is part of DCP-o-matic. @@ -47,32 +47,13 @@ public: boost::shared_ptr audio; boost::shared_ptr subtitle; - enum PassReason { - PASS_REASON_VIDEO, - PASS_REASON_AUDIO, - PASS_REASON_SUBTITLE - }; - - /** @return true if this decoder has already returned all its data and will give no more */ - virtual bool pass (PassReason, bool accurate) = 0; - - /** Ensure that any future get() calls return data that reflect - * changes in our content's settings. + /** 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. */ - virtual void reset () {} + virtual bool pass () = 0; + virtual void seek (ContentTime time, bool accurate); - void maybe_seek (boost::optional position, ContentTime time, bool accurate); - -private: - /** 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. - */ - virtual void seek (ContentTime time, bool accurate) = 0; + ContentTime position () const; }; #endif