From 2dd4bdd715f586d4d30cf90cc6fc2bbfbce60fe0 Mon Sep 17 00:00:00 2001
From: Glenn Kasten <gkasten@google.com>
Date: Wed, 29 Aug 2012 11:10:32 -0700
Subject: Move libnbaio out of AudioFlinger

libnbaio is now a separate shared library from AudioFlinger, rather
than a static library used only by AudioFlinger.

AudioBufferProvider interface is now also independent of AudioFlinger,
moved to include/media/

Change-Id: I9bb62ffbc38d42a38b0af76e66da5e9ab1e0e21b
---
 media/libnbaio/LibsndfileSink.cpp | 50 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 media/libnbaio/LibsndfileSink.cpp

(limited to 'media/libnbaio/LibsndfileSink.cpp')

diff --git a/media/libnbaio/LibsndfileSink.cpp b/media/libnbaio/LibsndfileSink.cpp
new file mode 100644
index 0000000..77debc0
--- /dev/null
+++ b/media/libnbaio/LibsndfileSink.cpp
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "LibsndfileSink"
+//#define LOG_NDEBUG 0
+
+#include <utils/Errors.h>
+#include <utils/Log.h>
+#include <media/nbaio/LibsndfileSink.h>
+
+namespace android {
+
+LibsndfileSink::LibsndfileSink(SNDFILE *sndfile, const SF_INFO &sfinfo) :
+    NBAIO_Sink(Format_from_SR_C(sfinfo.samplerate, sfinfo.channels)),
+    mSndfile(sndfile)
+{
+}
+
+LibsndfileSink::~LibsndfileSink()
+{
+    // do not close mSndfile; we don't own it
+}
+
+ssize_t LibsndfileSink::write(const void *buffer, size_t count)
+{
+    if (!mNegotiated) {
+        return (ssize_t) NEGOTIATE;
+    }
+    if (mSndfile == NULL) {
+        return (ssize_t) NO_INIT;
+    }
+    sf_count_t actual = sf_writef_short(mSndfile, (short *) buffer, (sf_count_t) count);
+    mFramesWritten += actual;
+    return actual;
+}
+
+}   // namespace android
-- 
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