Load CMA backend from shared library

chromecast/media/cma/base/cast_decrypt_config_impl.cc

Index: chromecast/media/cma/base/cast_decrypt_config_impl.cc
diff --git a/chromecast/media/cma/base/cast_decrypt_config_impl.cc b/chromecast/media/cma/base/cast_decrypt_config_impl.cc
new file mode 100644
index 0000000000000000000000000000000000000000..51ef53eb87c95195005abd039282f45e1dd43bb1
--- /dev/null
+++ b/chromecast/media/cma/base/cast_decrypt_config_impl.cc
@@ -0,0 +1,42 @@
+// 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/cma/base/cast_decrypt_config_impl.h"
+
+#include "media/base/decrypt_config.h"
+
+namespace chromecast {
+namespace media {
+
+CastDecryptConfigImpl::CastDecryptConfigImpl(
+    const ::media::DecryptConfig& config)
+    : key_id_(config.key_id()), iv_(config.iv()) {
+  for (const auto& sample : config.subsamples()) {
+    subsamples_.push_back(
+        SubsampleEntry(sample.clear_bytes, sample.cypher_bytes));
+  }
+}
+
+CastDecryptConfigImpl::CastDecryptConfigImpl(
+    const std::string& key_id,
+    const std::string& iv,
+    const std::vector<SubsampleEntry>& subsamples)
+    : key_id_(key_id), iv_(iv), subsamples_(subsamples) {}
+
+CastDecryptConfigImpl::~CastDecryptConfigImpl() {}
+
+const std::string& CastDecryptConfigImpl::key_id() const {
+  return key_id_;
+}
+
+const std::string& CastDecryptConfigImpl::iv() const {
+  return iv_;
+}
+
+const std::vector<SubsampleEntry>& CastDecryptConfigImpl::subsamples() const {
+  return subsamples_;
+}
+
+}  // namespace media
+}  // namespace chromecast