Reorganize drm hal modules

Previously the drm and crypto plugins were separate hals.
This implied a separation of implementation libraries which
causes problems for some drm schemes. The reorganization
combines the hals into a single interface under drm.

Tests: basic gtests passing

Change-Id: I5cde6ff9f60625a0219731c4dbfcaefbd9f27f88
related-to-bug: 32815560

1 files changed, 72 insertions, 0 deletions

diff --git a/drm/1.0/default/CryptoFactory.cpp b/drm/1.0/default/CryptoFactory.cpp
new file mode 100644
index 0000000000..02084e7bbf
--- /dev/null
+++ b/drm/1.0/default/CryptoFactory.cpp
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2016 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.
+ */
+
+#include "CryptoFactory.h"
+#include "CryptoPlugin.h"
+#include "TypeConvert.h"
+#include <utils/Log.h>
+
+namespace android {
+namespace hardware {
+namespace drm {
+namespace V1_0 {
+namespace implementation {
+
+    CryptoFactory::CryptoFactory() :
+        loader("/vendor/lib/mediadrm", "createCryptoFactory") {
+    }
+
+    // Methods from ::android::hardware::drm::V1_0::ICryptoFactory follow.
+    Return<bool> CryptoFactory::isCryptoSchemeSupported(
+            const hidl_array<uint8_t, 16>& uuid) {
+        for (size_t i = 0; i < loader.factoryCount(); i++) {
+            if (loader.getFactory(i)->isCryptoSchemeSupported(uuid.data())) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    Return<void> CryptoFactory::createPlugin(const hidl_array<uint8_t, 16>& uuid,
+            const hidl_vec<uint8_t>& initData, createPlugin_cb _hidl_cb) {
+        for (size_t i = 0; i < loader.factoryCount(); i++) {
+            if (loader.getFactory(i)->isCryptoSchemeSupported(uuid.data())) {
+                android::CryptoPlugin *legacyPlugin = NULL;
+                status_t status = loader.getFactory(i)->createPlugin(uuid.data(),
+                        initData.data(), initData.size(), &legacyPlugin);
+                CryptoPlugin *newPlugin = NULL;
+                if (legacyPlugin == NULL) {
+                    ALOGE("Crypto legacy HAL: failed to create crypto plugin");
+                } else {
+                    newPlugin = new CryptoPlugin(legacyPlugin);
+                }
+                _hidl_cb(toStatus(status), newPlugin);
+                return Void();
+            }
+        }
+        _hidl_cb(Status::ERROR_DRM_CANNOT_HANDLE, NULL);
+        return Void();
+    }
+
+    ICryptoFactory* HIDL_FETCH_ICryptoFactory(const char* /* name */) {
+        return new CryptoFactory();
+    }
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace drm
+}  // namespace hardware
+}  // namespace android