Load CMA backend from shared library

chromecast/media/cma/ipc_streamer/decrypt_config_marshaller.cc

 // Copyright 2014 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/ipc_streamer/decrypt_config_marshaller.h"
 
 #include "base/logging.h"
+#include "chromecast/media/cma/base/cast_decrypt_config_impl.h"
 #include "chromecast/media/cma/ipc/media_message.h"
-#include "media/base/decrypt_config.h"
+#include "chromecast/public/media/cast_decrypt_config.h"
 
 namespace chromecast {
 namespace media {
 
 namespace {
 const size_t kMaxKeyIdSize = 256;
 const size_t kMaxIvSize = 256;
 const size_t kMaxSubsampleCount = 1024;
 }
 
 // static
-void DecryptConfigMarshaller::Write(
-    const ::media::DecryptConfig& config, MediaMessage* msg) {
+void DecryptConfigMarshaller::Write(const CastDecryptConfig& config,
+                                    MediaMessage* msg) {
   CHECK_GT(config.key_id().size(), 0u);
   CHECK_GT(config.iv().size(), 0u);
   CHECK_GT(config.subsamples().size(), 0u);
 
   CHECK(msg->WritePod(config.key_id().size()));
   CHECK(msg->WriteBuffer(config.key_id().data(), config.key_id().size()));
   CHECK(msg->WritePod(config.iv().size()));
   CHECK(msg->WriteBuffer(config.iv().data(), config.iv().size()));
   CHECK(msg->WritePod(config.subsamples().size()));
   for (size_t k = 0; k < config.subsamples().size(); k++) {
     CHECK(msg->WritePod(config.subsamples()[k].clear_bytes));
     CHECK(msg->WritePod(config.subsamples()[k].cypher_bytes));
   }
 }
 
 // static
-scoped_ptr< ::media::DecryptConfig> DecryptConfigMarshaller::Read(
-    MediaMessage* msg) {
+scoped_ptr<CastDecryptConfig> DecryptConfigMarshaller::Read(MediaMessage* msg) {
   size_t key_id_size = 0;
   CHECK(msg->ReadPod(&key_id_size));
   CHECK_GT(key_id_size, 0u);
   CHECK_LT(key_id_size, kMaxKeyIdSize);
   scoped_ptr<char[]> key_id(new char[key_id_size]);
   CHECK(msg->ReadBuffer(key_id.get(), key_id_size));
 
   size_t iv_size = 0;
   CHECK(msg->ReadPod(&iv_size));
   CHECK_GT(iv_size, 0u);
   CHECK_LT(iv_size, kMaxIvSize);
   scoped_ptr<char[]> iv(new char[iv_size]);
   CHECK(msg->ReadBuffer(iv.get(), iv_size));
 
   size_t subsample_count = 0;
   CHECK(msg->ReadPod(&subsample_count));
   CHECK_GT(subsample_count, 0u);
   CHECK_LT(subsample_count, kMaxSubsampleCount);
-  std::vector< ::media::SubsampleEntry> subsamples(subsample_count);
+  std::vector<SubsampleEntry> subsamples(subsample_count);
   for (size_t k = 0; k < subsample_count; k++) {
     subsamples[k].clear_bytes = 0;
     subsamples[k].cypher_bytes = 0;
     CHECK(msg->ReadPod(&subsamples[k].clear_bytes));
     CHECK(msg->ReadPod(&subsamples[k].cypher_bytes));
   }
 
-  return scoped_ptr< ::media::DecryptConfig>(
-      new ::media::DecryptConfig(
-          std::string(key_id.get(), key_id_size),
-          std::string(iv.get(), iv_size),
-          subsamples));
+  return scoped_ptr<CastDecryptConfig>(
+      new CastDecryptConfigImpl(std::string(key_id.get(), key_id_size),
+                                std::string(iv.get(), iv_size), subsamples));
 }
 
 }  // namespace media
 }  // namespace chromecast