1 /*
2  * Copyright (C) 2014 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 
17 #define LOG_TAG "Camera3-DummyStream"
18 #define ATRACE_TAG ATRACE_TAG_CAMERA
19 //#define LOG_NDEBUG 0
20 
21 #include <utils/Log.h>
22 #include <utils/Trace.h>
23 #include "Camera3DummyStream.h"
24 
25 namespace android {
26 
27 namespace camera3 {
28 
Camera3DummyStream(int id)29 Camera3DummyStream::Camera3DummyStream(int id) :
30         Camera3IOStreamBase(id, CAMERA3_STREAM_OUTPUT, DUMMY_WIDTH, DUMMY_HEIGHT,
31                 /*maxSize*/0, DUMMY_FORMAT, DUMMY_DATASPACE, DUMMY_ROTATION) {
32 
33 }
34 
~Camera3DummyStream()35 Camera3DummyStream::~Camera3DummyStream() {
36 
37 }
38 
getBufferLocked(camera3_stream_buffer * buffer)39 status_t Camera3DummyStream::getBufferLocked(camera3_stream_buffer *buffer) {
40     ATRACE_CALL();
41     ALOGE("%s: Stream %d: Dummy stream cannot produce buffers!", mId);
42     return INVALID_OPERATION;
43 }
44 
returnBufferLocked(const camera3_stream_buffer & buffer,nsecs_t timestamp)45 status_t Camera3DummyStream::returnBufferLocked(
46         const camera3_stream_buffer &buffer,
47         nsecs_t timestamp) {
48     ATRACE_CALL();
49     ALOGE("%s: Stream %d: Dummy stream cannot return buffers!", mId);
50     return INVALID_OPERATION;
51 }
52 
returnBufferCheckedLocked(const camera3_stream_buffer & buffer,nsecs_t timestamp,bool output,sp<Fence> * releaseFenceOut)53 status_t Camera3DummyStream::returnBufferCheckedLocked(
54             const camera3_stream_buffer &buffer,
55             nsecs_t timestamp,
56             bool output,
57             /*out*/
58             sp<Fence> *releaseFenceOut) {
59     ATRACE_CALL();
60     ALOGE("%s: Stream %d: Dummy stream cannot return buffers!", mId);
61     return INVALID_OPERATION;
62 }
63 
dump(int fd,const Vector<String16> & args) const64 void Camera3DummyStream::dump(int fd, const Vector<String16> &args) const {
65     (void) args;
66     String8 lines;
67     lines.appendFormat("    Stream[%d]: Dummy\n", mId);
68     write(fd, lines.string(), lines.size());
69 
70     Camera3IOStreamBase::dump(fd, args);
71 }
72 
setTransform(int transform)73 status_t Camera3DummyStream::setTransform(int transform) {
74     ATRACE_CALL();
75     // Do nothing
76     return OK;
77 }
78 
configureQueueLocked()79 status_t Camera3DummyStream::configureQueueLocked() {
80     // Do nothing
81     return OK;
82 }
83 
disconnectLocked()84 status_t Camera3DummyStream::disconnectLocked() {
85     mState = (mState == STATE_IN_RECONFIG) ? STATE_IN_CONFIG
86                                            : STATE_CONSTRUCTED;
87     return OK;
88 }
89 
getEndpointUsage(uint32_t * usage) const90 status_t Camera3DummyStream::getEndpointUsage(uint32_t *usage) const {
91     *usage = DUMMY_USAGE;
92     return OK;
93 }
94 
95 }; // namespace camera3
96 
97 }; // namespace android
98