From 35ff1d5187da4a102406e035e8d5c02922266c16 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Goran=20Meki=C4=87?= Date: Mon, 10 Apr 2017 14:01:20 +0200 Subject: Add OSS output support --- drumgizmo/output/oss.h | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 drumgizmo/output/oss.h (limited to 'drumgizmo/output/oss.h') diff --git a/drumgizmo/output/oss.h b/drumgizmo/output/oss.h new file mode 100644 index 0000000..d44cd1c --- /dev/null +++ b/drumgizmo/output/oss.h @@ -0,0 +1,56 @@ +/* -*- Mode: c++ -*- */ +/*************************************************************************** + * oss.h + * + * Tue Apr 11 19:42:45 CET 2017 + * Copyright 2017 Goran Mekić + * meka@tilda.center + ****************************************************************************/ + +/* + * This file is part of DrumGizmo. + * + * DrumGizmo is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * DrumGizmo 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 Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with DrumGizmo; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ +#pragma once +#include "audiooutputengine.h" + +class OSSOutputEngine + : public AudioOutputEngine +{ +public: + OSSOutputEngine(); + ~OSSOutputEngine() {}; + + // based on AudioOutputEngine + bool init(const Channels& chan) override; + void setParm(const std::string& parm, const std::string& value) override; + bool start() override { return true; }; + void stop() override {}; + void pre(size_t nsamples) override { data.resize(nsamples * num_channels); }; + void run(int ch, sample_t* samples, size_t nsamples) override; + void post(size_t nsamples) override; + bool isFreewheeling() const override { return false; }; + std::size_t getBufferSize() const override; + std::size_t getSamplerate() const override; + +private: + std::string dev; + int fd; + std::size_t num_channels; + unsigned int srate; + unsigned int format; + std::vector data; +}; -- cgit v1.2.3