1/*
2 * Copyright (C) 2016 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 */
16package com.android.devcamera;
17
18import android.hardware.camera2.CameraCaptureSession;
19import android.hardware.camera2.CameraDevice;
20import android.hardware.camera2.CaptureFailure;
21import android.hardware.camera2.CaptureRequest;
22import android.hardware.camera2.CaptureResult;
23import android.hardware.camera2.TotalCaptureResult;
24import android.util.Log;
25
26/**
27 * Static utility class that logs various camera2 callbacks.
28 *
29 * The only reason this exists as a separate class is void cluttering up Api2Camera.
30 */
31
32public class LoggingCallbacks {
33    private static final String TAG = "DevCamera_LOG2";
34    private static final Boolean LOG_EVERY_FRAME = false;
35    private static final Boolean LOG_NON_ERRORS = false;
36
37    public static class DeviceStateCallback extends CameraDevice.StateCallback {
38        @Override
39        public void onOpened(CameraDevice camera) {
40            if (LOG_NON_ERRORS) {
41                Log.v(TAG, "Camera opened.");
42            }
43        }
44
45        @Override
46        public void onClosed(CameraDevice camera) {
47            if (LOG_NON_ERRORS) {
48                Log.v(TAG, "Camera closed.");
49            }
50        }
51
52        @Override
53        public void onDisconnected(CameraDevice camera) {
54            Log.v(TAG, "Camera disconnected.");
55        }
56
57        @Override
58        public void onError(CameraDevice camera, int error) {
59            Log.v(TAG, "Camera error: " + error);
60        }
61    }
62
63    public static class SessionStateCallback extends CameraCaptureSession.StateCallback {
64        @Override
65        public void onConfigured(CameraCaptureSession session) {
66            if (LOG_NON_ERRORS) {
67                Log.v(TAG, "Capture session callback onConfigured("+session+")");
68            }
69        }
70
71        @Override
72        public void onConfigureFailed(CameraCaptureSession session) {
73            Log.v(TAG, "Capture session callback onConfigureFailed("+session+")");
74            super.onReady(session);
75        }
76
77        @Override
78        public void onReady(CameraCaptureSession session) {
79            if (LOG_NON_ERRORS) {
80                Log.v(TAG, "Capture session callback onReady("+session+")");
81            }
82            super.onReady(session);
83        }
84
85        @Override
86        public void onActive(CameraCaptureSession session) {
87            if (LOG_NON_ERRORS) {
88                Log.v(TAG, "Capture session callback onActive("+session+")");
89            }
90            super.onActive(session);
91        }
92
93        @Override
94        public void onClosed(CameraCaptureSession session) {
95            if (LOG_NON_ERRORS) {
96                Log.v(TAG, "Capture session callback onClosed("+session+")");
97            }
98            super.onClosed(session);
99        }
100    }
101
102    public static class SessionCaptureCallback extends CameraCaptureSession.CaptureCallback {
103        @Override
104        public void onCaptureStarted(CameraCaptureSession session, CaptureRequest request, long timestamp, long frameNumber) {
105            if (LOG_EVERY_FRAME) {
106                Log.v(TAG, "Capture started.");
107            }
108            super.onCaptureStarted(session, request, timestamp, frameNumber);
109        }
110
111        @Override
112        public void onCaptureProgressed(CameraCaptureSession session, CaptureRequest request, CaptureResult partialResult) {
113            if (LOG_EVERY_FRAME) {
114                Log.v(TAG, "Capture progressed.");
115            }
116            super.onCaptureProgressed(session, request, partialResult);
117        }
118
119        @Override
120        public void onCaptureCompleted(CameraCaptureSession session, CaptureRequest request, TotalCaptureResult result) {
121            if (LOG_EVERY_FRAME) {
122                Log.v(TAG, "Capture completed.");
123            }
124            super.onCaptureCompleted(session, request, result);
125        }
126
127        @Override
128        public void onCaptureFailed(CameraCaptureSession session, CaptureRequest request, CaptureFailure failure) {
129            super.onCaptureFailed(session, request, failure);
130        }
131
132        @Override
133        public void onCaptureSequenceCompleted(CameraCaptureSession session, int sequenceId, long frameNumber) {
134            super.onCaptureSequenceCompleted(session, sequenceId, frameNumber);
135        }
136
137    }
138}
139