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 *)39 status_t Camera3DummyStream::getBufferLocked(camera3_stream_buffer *) {
40 ATRACE_CALL();
41 ALOGE("%s: Stream %d: Dummy stream cannot produce buffers!", __FUNCTION__, mId);
42 return INVALID_OPERATION;
43 }
44
returnBufferLocked(const camera3_stream_buffer &,nsecs_t)45 status_t Camera3DummyStream::returnBufferLocked(
46 const camera3_stream_buffer &,
47 nsecs_t) {
48 ATRACE_CALL();
49 ALOGE("%s: Stream %d: Dummy stream cannot return buffers!", __FUNCTION__, mId);
50 return INVALID_OPERATION;
51 }
52
returnBufferCheckedLocked(const camera3_stream_buffer &,nsecs_t,bool,sp<Fence> *)53 status_t Camera3DummyStream::returnBufferCheckedLocked(
54 const camera3_stream_buffer &,
55 nsecs_t,
56 bool,
57 /*out*/
58 sp<Fence>*) {
59 ATRACE_CALL();
60 ALOGE("%s: Stream %d: Dummy stream cannot return buffers!", __FUNCTION__, 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)73 status_t Camera3DummyStream::setTransform(int) {
74 ATRACE_CALL();
75 // Do nothing
76 return OK;
77 }
78
detachBuffer(sp<GraphicBuffer> * buffer,int * fenceFd)79 status_t Camera3DummyStream::detachBuffer(sp<GraphicBuffer>* buffer, int* fenceFd) {
80 (void) buffer;
81 (void) fenceFd;
82 // Do nothing
83 return OK;
84 }
85
configureQueueLocked()86 status_t Camera3DummyStream::configureQueueLocked() {
87 // Do nothing
88 return OK;
89 }
90
disconnectLocked()91 status_t Camera3DummyStream::disconnectLocked() {
92 mState = (mState == STATE_IN_RECONFIG) ? STATE_IN_CONFIG
93 : STATE_CONSTRUCTED;
94 return OK;
95 }
96
getEndpointUsage(uint32_t * usage) const97 status_t Camera3DummyStream::getEndpointUsage(uint32_t *usage) const {
98 *usage = DUMMY_USAGE;
99 return OK;
100 }
101
isVideoStream() const102 bool Camera3DummyStream::isVideoStream() const {
103 return false;
104 }
105
106 }; // namespace camera3
107
108 }; // namespace android
109