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
diff --git a/drm/1.0/IDrmFactory.hal b/drm/1.0/IDrmFactory.hal
new file mode 100644
index 0000000..de53929
--- /dev/null
+++ b/drm/1.0/IDrmFactory.hal
@@ -0,0 +1,59 @@
+/*
+ * 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.
+ */
+package android.hardware.drm@1.0;
+
+import IDrmPlugin;
+
+/**
+ * Ref: frameworks/native/include/media/drm/DrmAPI.h:DrmFactory
+ *
+ * IDrmFactory is the main entry point for interacting with a vendor's
+ * drm HAL to create drm plugin instances. A drm plugin instance
+ * creates drm sessions which are used to obtain keys for a crypto
+ * session so it can decrypt* protected video content.
+ */
+
+interface IDrmFactory {
+ /**
+ * Determine if a crypto scheme is supported by this HAL
+ *
+ * @param uuid identifies the crypto scheme in question
+ * @return isSupported must be true only if the scheme is supported
+ */
+ isCryptoSchemeSupported(uint8_t[16] uuid) generates(bool isSupported);
+
+ /**
+ * Determine if the HAL factory is able to construct plugins that support a
+ * given media container format specified by mimeType
+ *
+ * @param mimeType identifies the mime type in question
+ * @return isSupported must be true only if the scheme is supported
+ */
+ isContentTypeSupported(string mimeType) generates(bool isSupported);
+
+ /**
+ * Create a drm plugin instance for the specified uuid and scheme-specific
+ * initialization data.
+ *
+ * @param uuid uniquely identifies the drm scheme. See
+ * http://dashif.org/identifiers/protection for uuid assignments
+ * @return status the status of the call. The HAL implementation must return
+ * OK if the plugin is created and ERROR_DRM_CANNOT_HANDLE if the plugin
+ * cannot be created.
+ */
+ createPlugin(uint8_t[16] uuid) generates (Status status,
+ IDrmPlugin drmPlugin);
+};