ICameraDeviceUser.aidl revision 5d677d1f0879d5101e38df480a38228a64d63959 
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.SubmitInfo;
23import android.view.Surface;
24
25/** @hide */
26interface ICameraDeviceUser
27{
28    void disconnect();
29
30    const int NO_IN_FLIGHT_REPEATING_FRAMES = -1;
31
32    SubmitInfo submitRequest(in CaptureRequest request, boolean streaming);
33    SubmitInfo submitRequestList(in CaptureRequest[] requestList, boolean streaming);
34
35    /**
36     * Cancel the repeating request specified by requestId
37     * Returns the frame number of the last frame that will be produced from this
38     * repeating request, or NO_IN_FLIGHT_REPEATING_FRAMES if no frames were produced
39     * by this repeating request.
40     *
41     * Repeating request may be stopped by camera device due to an error. Canceling a stopped
42     * repeating request will trigger ERROR_ILLEGAL_ARGUMENT.
43     */
44    long cancelRequest(int requestId);
45
46    /**
47     * Begin the device configuration.
48     *
49     * <p>
50     * beginConfigure must be called before any call to deleteStream, createStream,
51     * or endConfigure.  It is not valid to call this when the device is not idle.
52     * <p>
53     */
54    void beginConfigure();
55
56    /**
57     * End the device configuration.
58     *
59     * <p>
60     * endConfigure must be called after stream configuration is complete (i.e. after
61     * a call to beginConfigure and subsequent createStream/deleteStream calls).  This
62     * must be called before any requests can be submitted.
63     * <p>
64     */
65    void endConfigure(boolean isConstrainedHighSpeed);
66
67    void deleteStream(int streamId);
68
69    /**
70     * Create an output stream
71     *
72     * <p>Create an output stream based on the given output configuration</p>
73     *
74     * @param outputConfiguration size, format, and other parameters for the stream
75     * @return new stream ID
76     */
77    int createStream(in OutputConfiguration outputConfiguration);
78
79    /**
80     * Create an input stream
81     *
82     * <p>Create an input stream of width, height, and format</p>
83     *
84     * @param width Width of the input buffers
85     * @param height Height of the input buffers
86     * @param format Format of the input buffers. One of HAL_PIXEL_FORMAT_*.
87     *
88     * @return new stream ID
89     */
90    int createInputStream(int width, int height, int format);
91
92    /**
93     * Get the surface of the input stream.
94     *
95     * <p>It's valid to call this method only after a stream configuration is completed
96     * successfully and the stream configuration includes a input stream.</p>
97     *
98     * @param surface An output argument for the surface of the input stream buffer queue.
99     */
100    Surface getInputSurface();
101
102    // Keep in sync with public API in
103    // frameworks/base/core/java/android/hardware/camera2/CameraDevice.java
104    const int TEMPLATE_PREVIEW = 1;
105    const int TEMPLATE_STILL_CAPTURE = 2;
106    const int TEMPLATE_RECORD = 3;
107    const int TEMPLATE_VIDEO_SNAPSHOT = 4;
108    const int TEMPLATE_ZERO_SHUTTER_LAG = 5;
109    const int TEMPLATE_MANUAL = 6;
110
111    CameraMetadataNative createDefaultRequest(int templateId);
112
113    CameraMetadataNative getCameraInfo();
114
115    void waitUntilIdle();
116
117    long flush();
118
119    void prepare(int streamId);
120
121    void tearDown(int streamId);
122
123    void prepare2(int maxCount, int streamId);
124
125    void setDeferredConfiguration(int streamId, in OutputConfiguration outputConfiguration);
126}
127