X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Faudio_decoder.h;h=750ecd360aa67b705e5b54d730a222ef8fe15455;hb=e80e6a8567dd107f5ea3b708975cb5fd92112a57;hp=bb3aafccd6a8982824f890fa05907ea8def66b96;hpb=cc3900735839ff4b0da0c046b5c606c440ba917a;p=dcpomatic.git diff --git a/src/lib/audio_decoder.h b/src/lib/audio_decoder.h index bb3aafccd..750ecd360 100644 --- a/src/lib/audio_decoder.h +++ b/src/lib/audio_decoder.h @@ -1,5 +1,5 @@ /* - Copyright (C) 2012 Carl Hetherington + Copyright (C) 2012-2014 Carl Hetherington This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -27,7 +27,7 @@ #include "decoder.h" #include "content.h" #include "audio_content.h" -#include "decoded.h" +#include "content_audio.h" class AudioBuffers; class Resampler; @@ -38,22 +38,38 @@ class Resampler; class AudioDecoder : public virtual Decoder { public: - AudioDecoder (boost::shared_ptr, boost::shared_ptr); + AudioDecoder (boost::shared_ptr); boost::shared_ptr audio_content () const { return _audio_content; } - void seek (ContentTime time, bool accurate); + /** Try to fetch some audio from a specific place in this content. + * @param frame Frame to start from. + * @param length Frames to get. + * @param accurate true to try hard to return frames from exactly `frame', false if we don't mind nearby frames. + * @return Time-stamped audio data which may or may not be from the location (and of the length) requested. + */ + boost::shared_ptr get_audio (AudioFrame time, AudioFrame length, bool accurate); protected: + void seek (ContentTime time, bool accurate); void audio (boost::shared_ptr, ContentTime); void flush (); + void reset_decoded_audio (); + void add (boost::shared_ptr); boost::shared_ptr _audio_content; boost::shared_ptr _resampler; + boost::shared_ptr _processor; boost::optional _audio_position; + /** Currently-available decoded audio data */ + ContentAudio _decoded_audio; + /** The time of an accurate seek after which we have not yet received any actual + data at the seek time. + */ + boost::optional _seek_reference; }; #endif