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authorBent Bisballe Nyeng <deva@aasimon.org>2014-09-19 20:53:09 +0200
committerBent Bisballe Nyeng <deva@aasimon.org>2014-09-19 20:53:09 +0200
commit46d4e577bceb12c9463fdf4ef1d9a9a348f13543 (patch)
tree3314ff139a8fe5c40eac4dcabc370c8e535a3114 /src/samplecache.cc
parent099b9c3367d59e7a25d4b669acb7a57d81f67716 (diff)
AudioHandler, AudioInput, Opus ecoder code in place.
Diffstat (limited to 'src/samplecache.cc')
-rw-r--r--src/samplecache.cc71
1 files changed, 71 insertions, 0 deletions
diff --git a/src/samplecache.cc b/src/samplecache.cc
new file mode 100644
index 0000000..c9dc372
--- /dev/null
+++ b/src/samplecache.cc
@@ -0,0 +1,71 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ * samplecache.cc
+ *
+ * Fri Sep 19 19:36:13 CEST 2014
+ * Copyright 2014 Bent Bisballe Nyeng
+ * deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ * This file is part of SimpleRTP.
+ *
+ * SimpleRTP 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.
+ *
+ * SimpleRTP 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 SimpleRTP; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+#include "samplecache.h"
+
+#include <stdio.h>
+
+SampleCache::SampleCache(size_t c)
+{
+ capacity = c;
+ cache = new sample_t[capacity];
+ start = 0;
+ size = 0;
+}
+
+SampleCache::~SampleCache()
+{
+ delete[] cache;
+}
+
+void SampleCache::addSamples(sample_t *samples, size_t sz)
+{
+ for(size_t i = 0; i < sz; i++) {
+ cache[(start + size) % capacity] = samples[i];
+ size++;
+ }
+}
+
+size_t SampleCache::getSamples(sample_t *samples, size_t sz)
+{
+ size_t read = 0;
+ for(size_t i = 0; i < sz; i++) {
+ if(!size) break;
+ samples[i] = cache[start % capacity];
+ read++;
+ start++;
+ size--;
+ }
+
+ start %= capacity;
+
+ return read;
+}
+
+size_t SampleCache::cacheSize()
+{
+ return size;
+}