Mercurial > hg > svcore
view base/AudioRecordTarget.h @ 1727:8efce64dd85e
Fix potential deadlock when notifying a handler that more models are [not] available
author | Chris Cannam |
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date | Thu, 20 Jun 2019 11:09:36 +0100 |
parents | 8541563f1fd3 |
children |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. 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 the Free Software Foundation; either version 2 of the License, or (at your option) any later version. See the file COPYING included with this distribution for more information. */ #ifndef SV_AUDIO_RECORD_TARGET_H #define SV_AUDIO_RECORD_TARGET_H #include "BaseTypes.h" /** * The record target API used by the view manager. See also AudioPlaySource. */ class AudioRecordTarget { public: virtual ~AudioRecordTarget() { } /** * Return whether recording is currently happening. */ virtual bool isRecording() const = 0; /** * Return the approximate duration of the audio recording so far. */ virtual sv_frame_t getRecordDuration() const = 0; /** * Return the current (or thereabouts) input levels in the range * 0.0 -> 1.0, for metering purposes. Only valid while recording. * The values returned are peak values since the last call to this * function was made (i.e. calling this function also resets them). */ virtual bool getInputLevels(float &left, float &right) = 0; }; #endif