1/*
2 * Copyright (C) 2014-2018 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
25namespace android {
26
27namespace camera3 {
28
29const String8 Camera3DummyStream::DUMMY_ID;
30
31Camera3DummyStream::Camera3DummyStream(int id) :
32        Camera3IOStreamBase(id, CAMERA3_STREAM_OUTPUT, DUMMY_WIDTH, DUMMY_HEIGHT,
33                /*maxSize*/0, DUMMY_FORMAT, DUMMY_DATASPACE, DUMMY_ROTATION,
34                DUMMY_ID) {
35
36}
37
38Camera3DummyStream::~Camera3DummyStream() {
39
40}
41
42status_t Camera3DummyStream::getBufferLocked(camera3_stream_buffer *,
43        const std::vector<size_t>&) {
44    ATRACE_CALL();
45    ALOGE("%s: Stream %d: Dummy stream cannot produce buffers!", __FUNCTION__, mId);
46    return INVALID_OPERATION;
47}
48
49status_t Camera3DummyStream::returnBufferLocked(
50        const camera3_stream_buffer &,
51        nsecs_t) {
52    ATRACE_CALL();
53    ALOGE("%s: Stream %d: Dummy stream cannot return buffers!", __FUNCTION__, mId);
54    return INVALID_OPERATION;
55}
56
57status_t Camera3DummyStream::returnBufferCheckedLocked(
58            const camera3_stream_buffer &,
59            nsecs_t,
60            bool,
61            /*out*/
62            sp<Fence>*) {
63    ATRACE_CALL();
64    ALOGE("%s: Stream %d: Dummy stream cannot return buffers!", __FUNCTION__, mId);
65    return INVALID_OPERATION;
66}
67
68void Camera3DummyStream::dump(int fd, const Vector<String16> &args) const {
69    (void) args;
70    String8 lines;
71    lines.appendFormat("    Stream[%d]: Dummy\n", mId);
72    write(fd, lines.string(), lines.size());
73
74    Camera3IOStreamBase::dump(fd, args);
75}
76
77status_t Camera3DummyStream::setTransform(int) {
78    ATRACE_CALL();
79    // Do nothing
80    return OK;
81}
82
83status_t Camera3DummyStream::detachBuffer(sp<GraphicBuffer>* buffer, int* fenceFd) {
84    (void) buffer;
85    (void) fenceFd;
86    // Do nothing
87    return OK;
88}
89
90status_t Camera3DummyStream::configureQueueLocked() {
91    // Do nothing
92    return OK;
93}
94
95status_t Camera3DummyStream::disconnectLocked() {
96    mState = (mState == STATE_IN_RECONFIG) ? STATE_IN_CONFIG
97                                           : STATE_CONSTRUCTED;
98    return OK;
99}
100
101status_t Camera3DummyStream::getEndpointUsage(uint64_t *usage) const {
102    *usage = DUMMY_USAGE;
103    return OK;
104}
105
106bool Camera3DummyStream::isVideoStream() const {
107    return false;
108}
109
110bool Camera3DummyStream::isConsumerConfigurationDeferred(size_t /*surface_id*/) const {
111    return false;
112}
113
114status_t Camera3DummyStream::dropBuffers(bool /*dropping*/) {
115    return OK;
116}
117
118const String8& Camera3DummyStream::getPhysicalCameraId() const {
119    return DUMMY_ID;
120}
121
122status_t Camera3DummyStream::setConsumers(const std::vector<sp<Surface>>& /*consumers*/) {
123    ALOGE("%s: Stream %d: Dummy stream doesn't support set consumer surface!",
124            __FUNCTION__, mId);
125    return INVALID_OPERATION;
126}
127
128status_t Camera3DummyStream::updateStream(const std::vector<sp<Surface>> &/*outputSurfaces*/,
129            const std::vector<OutputStreamInfo> &/*outputInfo*/,
130            const std::vector<size_t> &/*removedSurfaceIds*/,
131            KeyedVector<sp<Surface>, size_t> * /*outputMap*/) {
132    ALOGE("%s: this method is not supported!", __FUNCTION__);
133    return INVALID_OPERATION;
134}
135
136}; // namespace camera3
137
138}; // namespace android
139