| /* |
| * Copyright (C) 2014 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.media.tv; |
| |
| import android.media.tv.TvStreamConfig; |
| import android.view.KeyEvent; |
| import android.view.Surface; |
| |
| /** |
| * TvInputService representing a physical port should connect to HAL through this interface. |
| * Framework will take care of communication among system services including TvInputManagerService, |
| * HdmiControlService, AudioService, etc. |
| * |
| * @hide |
| */ |
| interface ITvInputHardware { |
| /** |
| * Make the input render on the surface according to the config. In case of HDMI, this will |
| * trigger CEC commands for adjusting active HDMI source. Returns true on success. |
| */ |
| boolean setSurface(in Surface surface, in TvStreamConfig config); |
| |
| /** |
| * Set volume for this stream via AudioGain. |
| */ |
| void setStreamVolume(float volume); |
| |
| /** |
| * Override default audio sink from audio policy. When override is on, it is |
| * TvInputService's responsibility to adjust to audio configuration change |
| * (for example, when the audio sink becomes unavailable or more desirable |
| * audio sink is detected). |
| * |
| * @param audioType one of AudioManager.DEVICE_* values. When it's * DEVICE_NONE, override |
| * becomes off. |
| * @param audioAddress audio address of the overriding device. |
| * @param samplingRate desired sampling rate. Use default when it's 0. |
| * @param channelMask desired channel mask. Use default when it's |
| * AudioFormat.CHANNEL_OUT_DEFAULT. |
| * @param format desired format. Use default when it's AudioFormat.ENCODING_DEFAULT. |
| */ |
| void overrideAudioSink(int audioType, String audioAddress, int samplingRate, int channelMask, |
| int format); |
| } |