ICameraDeviceUser.aidl revision a7677722304670dc07feef242156b97e6bb51bcd
1/*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.hardware.camera2;
18
19import android.hardware.camera2.CaptureRequest;
20import android.hardware.camera2.impl.CameraMetadataNative;
21import android.hardware.camera2.params.OutputConfiguration;
22import android.hardware.camera2.utils.LongParcelable;
23import android.view.Surface;
24
25/** @hide */
26interface ICameraDeviceUser
27{
28    /**
29     * Keep up-to-date with frameworks/av/include/camera/camera2/ICameraDeviceUser.h and
30     * frameworks/base/core/java/android/hardware/camera2/legacy/CameraDeviceUserShim.java
31     */
32    void disconnect();
33
34    // ints here are status_t
35
36    // non-negative value is the requestId. negative value is status_t
37    int submitRequest(in CaptureRequest request, boolean streaming,
38                      out LongParcelable lastFrameNumber);
39
40    int submitRequestList(in List<CaptureRequest> requestList, boolean streaming,
41                          out LongParcelable lastFrameNumber);
42
43    int cancelRequest(int requestId, out LongParcelable lastFrameNumber);
44
45    /**
46     * Begin the device configuration.
47     *
48     * <p>
49     * beginConfigure must be called before any call to deleteStream, createStream,
50     * or endConfigure.  It is not valid to call this when the device is not idle.
51     * <p>
52     */
53    int beginConfigure();
54
55    /**
56     * End the device configuration.
57     *
58     * <p>
59     * endConfigure must be called after stream configuration is complete (i.e. after
60     * a call to beginConfigure and subsequent createStream/deleteStream calls).  This
61     * must be called before any requests can be submitted.
62     * <p>
63     */
64    int endConfigure(boolean isConstrainedHighSpeed);
65
66    int deleteStream(int streamId);
67
68    // non-negative value is the stream ID. negative value is status_t
69    int createStream(in OutputConfiguration outputConfiguration);
70
71    /**
72     * Create an input stream
73     *
74     * <p>Create an input stream of width, height, and format</p>
75     *
76     * @param width Width of the input buffers
77     * @param height Height of the input buffers
78     * @param format Format of the input buffers. One of HAL_PIXEL_FORMAT_*.
79     *
80     * @return stream ID if it's a non-negative value. status_t if it's a negative value.
81     */
82    int createInputStream(int width, int height, int format);
83
84    /**
85     * Get the surface of the input stream.
86     *
87     * <p>It's valid to call this method only after a stream configuration is completed
88     * successfully and the stream configuration includes a input stream.</p>
89     *
90     * @param surface An output argument for the surface of the input stream buffer queue.
91     */
92    int getInputSurface(out Surface surface);
93
94    int createDefaultRequest(int templateId, out CameraMetadataNative request);
95
96    int getCameraInfo(out CameraMetadataNative info);
97
98    int waitUntilIdle();
99
100    int flush(out LongParcelable lastFrameNumber);
101
102    int prepare(int streamId);
103}
104