Exposes a shlib interface for media/audio path.

chromecast/media/base/converters.cc

Index: chromecast/media/base/converters.cc
diff --git a/chromecast/media/base/converters.cc b/chromecast/media/base/converters.cc
new file mode 100644
index 0000000000000000000000000000000000000000..b3b63ef6b621f2fbd0664772c8671bcb0e5b2d14
--- /dev/null
+++ b/chromecast/media/base/converters.cc
@@ -0,0 +1,30 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chromecast/media/base/converters.h"
+
+namespace chromecast {
+namespace media {
+
+AudioParameters FromChromiumParams(const ::media::AudioParameters& in_params) {
+  AudioParameters out_params;
+  out_params.sample_rate = in_params.sample_rate();
+  out_params.bits_per_sample = in_params.bits_per_sample();
+  out_params.frames_per_buffer = in_params.frames_per_buffer();
+  out_params.channels = in_params.channels();
+  return out_params;
+}
+
+::media::AudioParameters FromChromecastParams(
+    const AudioParameters& in_params) {
+  return ::media::AudioParameters(
+      ::media::AudioParameters::AUDIO_PCM_LINEAR,
+      ::media::GuessChannelLayout(in_params.channels),
+      in_params.sample_rate,
+      in_params.bits_per_sample,
+      in_params.frames_per_buffer);
+}
+
+}  // namespace media
+}  // namespace chromecast