New API, new name, new version.

1 files changed, 79 insertions, 0 deletions

diff --git a/src/sink.cc b/src/sink.cc
new file mode 100644
index 0000000..4f7cd0f
--- /dev/null
+++ b/src/sink.cc
@@ -0,0 +1,79 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set et sw=2 ts=2: */
+/***************************************************************************
+ *            sink.cc
+ *
+ *  Thu Sep 25 10:35:42 CEST 2014
+ *  Copyright 2014 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of LibAudioIO.
+ *
+ *  LibAudioIO 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 2.1 of the License, or (at your option) any later version.
+ *  
+ *  LibAudioIO 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 LibAudioIO; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include "sink.h"
+Sink::Sink(snd_pcm_t *handle, unsigned int _samplerate,
+         unsigned int _channels, snd_pcm_uframes_t _frames)
+{
+  this->handle = handle;
+  this->_samplerate = _samplerate;
+  this->_channels = _channels;
+  this->_frames = _frames;
+}
+
+Sink::~Sink()
+{
+  snd_pcm_drain(handle);
+  snd_pcm_close(handle);
+}
+
+int Sink::writeSamples(const char *pcm, size_t size)
+{
+	int rc;
+
+  /*
+	if(size < frames * sizeof(short) * channels) {
+		throw PcmBufferTooSmall();
+	}
+  */
+
+	rc = snd_pcm_writei(handle, pcm, size / sizeof(short));
+	if(rc == -EPIPE) {
+		// EPIPE means overrun
+		//snd_pcm_prepare(handle);
+    return -2;
+	} else if (rc < 0) {
+    return -1; // Read Error
+	}
+
+  return rc * sizeof(short) /* * channels */ ;
+}
+
+unsigned int Sink::samplerate()
+{
+  return this->_samplerate;
+}
+
+unsigned int Sink::channels()
+{
+  return this->_channels;
+}
+
+snd_pcm_uframes_t Sink::frames()
+{
+  return this->_frames;
+}