X-Git-Url: https://main.carlh.net/gitweb/?p=dcpomatic.git;a=blobdiff_plain;f=src%2Flib%2Faudio_processor.h;h=ca80c92b2436b8a10009236289713614cea5b554;hp=9b332e7fec50c955d7bc62a6bb27a49d0a440b34;hb=8963f0007af1a312017b9627c18b82ec2a577591;hpb=1f82930e73679d6aec5223caa255f564339a1a2a diff --git a/src/lib/audio_processor.h b/src/lib/audio_processor.h index 9b332e7fe..ca80c92b2 100644 --- a/src/lib/audio_processor.h +++ b/src/lib/audio_processor.h @@ -1,51 +1,79 @@ /* - Copyright (C) 2014 Carl Hetherington + Copyright (C) 2014-2021 Carl Hetherington - This program is free software; you can redistribute it and/or modify + This file is part of DCP-o-matic. + + DCP-o-matic is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. - This program is distributed in the hope that it will be useful, + DCP-o-matic is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + along with DCP-o-matic. If not, see . */ + +/** @file src/lib/audio_processor.h + * @brief AudioProcessor class. + */ + + #ifndef DCPOMATIC_AUDIO_PROCESSOR_H #define DCPOMATIC_AUDIO_PROCESSOR_H + +#include "types.h" #include #include -#include -#include "channel_count.h" +#include + class AudioBuffers; +class AudioMapping; + +/** @class AudioProcessor + * @brief A parent class for processors of audio data. + * + * These are used to process data before it goes into the DCP, for things like + * stereo -> 5.1 upmixing. + */ class AudioProcessor { public: virtual ~AudioProcessor () {} + /** @return User-visible (translated) name */ virtual std::string name () const = 0; + /** @return An internal identifier */ virtual std::string id () const = 0; - virtual ChannelCount in_channels () const = 0; - virtual int out_channels (int) const = 0; - virtual boost::shared_ptr clone (int sampling_rate) const = 0; - virtual boost::shared_ptr run (boost::shared_ptr) = 0; + /** @return Number of output channels */ + virtual int out_channels () const = 0; + /** @return A clone of this AudioProcessor for operation at the specified sampling rate */ + virtual std::shared_ptr clone (int sampling_rate) const = 0; + /** Process some data, returning the processed result truncated or padded to `channels' */ + virtual std::shared_ptr run (std::shared_ptr, int channels) = 0; virtual void flush () {} + /** Make the supplied audio mapping into a sensible default for this processor */ + virtual void make_audio_mapping_default (AudioMapping& mapping) const = 0; + /** @return the user-visible (translated) names of each of our inputs, in order */ + virtual std::vector input_names () const = 0; static std::list all (); + static std::list visible (); static void setup_audio_processors (); static AudioProcessor const * from_id (std::string); private: static std::list _all; + static std::list _non_experimental; }; + #endif