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authorGoran Mekić <meka@tilda.center>2017-04-10 14:01:20 +0200
committerGoran Mekić <meka@tilda.center>2017-04-14 20:46:01 +0200
commit35ff1d5187da4a102406e035e8d5c02922266c16 (patch)
treeac3b91fb86cb3c2a6b4e299a4d402da2e5dcebcd /drumgizmo/output/oss.h
parent21c0b85b57c68d591108d5f8efc1c2247c05c74f (diff)
Add OSS output support
Diffstat (limited to 'drumgizmo/output/oss.h')
-rw-r--r--drumgizmo/output/oss.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/drumgizmo/output/oss.h b/drumgizmo/output/oss.h
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+/* -*- 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<std::int32_t> data;
+};