tv.input: add HIDL definition for TV Input HAL
Note: Capturing and buffer producer paths have been removed since
there is no use case.
Test: make
Bug: 32096101
Change-Id: Ia00643ee07aadd15b00075f24711e2eaab1ae87d
diff --git a/tv/input/1.0/ITvInput.hal b/tv/input/1.0/ITvInput.hal
new file mode 100644
index 0000000..43de276
--- /dev/null
+++ b/tv/input/1.0/ITvInput.hal
@@ -0,0 +1,79 @@
+/*
+ * 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.tv.input@1.0;
+
+import ITvInputCallback;
+
+interface ITvInput {
+ /*
+ * Sets a callback for events.
+ *
+ * Note that initially no device is available in the client side, so the
+ * implementation must notify all the currently available devices including
+ * static devices via callback once callback is set.
+ *
+ * @param callback Callback object to pass events.
+ */
+ @entry
+ @exit
+ @callflow(next={"getStreamConfigurations"})
+ setCallback(ITvInputCallback callback);
+
+ /*
+ * Gets stream configurations for a specific device.
+ *
+ * The configs object is valid only until the next
+ * STREAM_CONFIGURATIONS_CHANGED event.
+ *
+ * @param deviceId Device ID for the configurations.
+ * @return result OK upon success. Otherwise,
+ * INVALID_ARGUMENTS if the given device ID is not valid.
+ * @return configurations An array of available configurations.
+ */
+ @callflow(next={"openStream", "getStreamConfigurations", "closeStream"})
+ getStreamConfigurations(int32_t deviceId)
+ generates (Result result, vec<TvStreamConfig> configurations);
+
+ /*
+ * Opens a specific stream in a device.
+ *
+ * @param deviceId Device ID for the steam to open.
+ * @param streamId Steam ID for the steam to open. Must be one of the
+ * stream IDs returned from getStreamConfigurations().
+ * @return result OK upon success. Otherwise,
+ * INVALID_ARGUMENTS if any of given IDs are not valid;
+ * INVALID_STATE if the stream with the given ID is already open;
+ * NO_RESOURCE if the client must close other streams to open the
+ * stream.
+ * @return sidebandStream handle for sideband stream.
+ */
+ @callflow(next={"closeStream", "getStreamConfigurations", "openStream"})
+ openStream(int32_t deviceId, int32_t streamId)
+ generates (Result result, handle sidebandStream);
+
+ /*
+ * Closes a specific stream in a device.
+ *
+ * @param deviceId Device ID for the steam to open.
+ * @param streamId Steam ID for the steam to open.
+ * @return result OK upon success. Otherwise,
+ * INVALID_ARGUMENTS if any of given IDs are not valid;
+ * INVALID_STATE if the stream with the given ID is not open.
+ */
+ @callflow(next={"getStreamConfigurations", "openStream", "closeStream"})
+ closeStream(int32_t deviceId, int32_t streamId) generates (Result result);
+};