diff options
Diffstat (limited to 'src/lib/decoder.h')
| -rw-r--r-- | src/lib/decoder.h | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/src/lib/decoder.h b/src/lib/decoder.h index d67592ed8..583a92636 100644 --- a/src/lib/decoder.h +++ b/src/lib/decoder.h @@ -18,7 +18,7 @@ */ /** @file src/decoder.h - * @brief Parent class for decoders of content. + * @brief Decoder class. */ #ifndef DCPOMATIC_DECODER_H @@ -27,8 +27,10 @@ #include <boost/shared_ptr.hpp> #include <boost/weak_ptr.hpp> #include <boost/utility.hpp> +#include "types.h" +#include "dcpomatic_time.h" -class Film; +class Decoded; /** @class Decoder. * @brief Parent class for decoders of content. @@ -36,21 +38,19 @@ class Film; class Decoder : public boost::noncopyable { public: - Decoder (boost::shared_ptr<const Film>); virtual ~Decoder () {} - /** Perform one decode pass of the content, which may or may not - * cause the object to emit some data. +protected: + /** 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 pass () = 0; - virtual bool done () const = 0; - -protected: - - virtual void flush () {}; - - /** The Film that we are decoding in */ - boost::weak_ptr<const Film> _film; + virtual void seek (ContentTime time, bool accurate) = 0; + virtual bool pass () = 0; }; #endif |