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
25namespace android {
26
27namespace camera3 {
28
29Camera3DummyStream::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
35Camera3DummyStream::~Camera3DummyStream() {
36
37}
38
39status_t Camera3DummyStream::getBufferLocked(camera3_stream_buffer *,
40        const std::vector<size_t>&) {
41    ATRACE_CALL();
42    ALOGE("%s: Stream %d: Dummy stream cannot produce buffers!", __FUNCTION__, mId);
43    return INVALID_OPERATION;
44}
45
46status_t Camera3DummyStream::returnBufferLocked(
47        const camera3_stream_buffer &,
48        nsecs_t) {
49    ATRACE_CALL();
50    ALOGE("%s: Stream %d: Dummy stream cannot return buffers!", __FUNCTION__, mId);
51    return INVALID_OPERATION;
52}
53
54status_t Camera3DummyStream::returnBufferCheckedLocked(
55            const camera3_stream_buffer &,
56            nsecs_t,
57            bool,
58            /*out*/
59            sp<Fence>*) {
60    ATRACE_CALL();
61    ALOGE("%s: Stream %d: Dummy stream cannot return buffers!", __FUNCTION__, mId);
62    return INVALID_OPERATION;
63}
64
65void Camera3DummyStream::dump(int fd, const Vector<String16> &args) const {
66    (void) args;
67    String8 lines;
68    lines.appendFormat("    Stream[%d]: Dummy\n", mId);
69    write(fd, lines.string(), lines.size());
70
71    Camera3IOStreamBase::dump(fd, args);
72}
73
74status_t Camera3DummyStream::setTransform(int) {
75    ATRACE_CALL();
76    // Do nothing
77    return OK;
78}
79
80status_t Camera3DummyStream::detachBuffer(sp<GraphicBuffer>* buffer, int* fenceFd) {
81    (void) buffer;
82    (void) fenceFd;
83    // Do nothing
84    return OK;
85}
86
87status_t Camera3DummyStream::configureQueueLocked() {
88    // Do nothing
89    return OK;
90}
91
92status_t Camera3DummyStream::disconnectLocked() {
93    mState = (mState == STATE_IN_RECONFIG) ? STATE_IN_CONFIG
94                                           : STATE_CONSTRUCTED;
95    return OK;
96}
97
98status_t Camera3DummyStream::getEndpointUsage(uint32_t *usage) const {
99    *usage = DUMMY_USAGE;
100    return OK;
101}
102
103bool Camera3DummyStream::isVideoStream() const {
104    return false;
105}
106
107bool Camera3DummyStream::isConsumerConfigurationDeferred(size_t /*surface_id*/) const {
108    return false;
109}
110
111status_t Camera3DummyStream::setConsumers(const std::vector<sp<Surface>>& /*consumers*/) {
112    ALOGE("%s: Stream %d: Dummy stream doesn't support set consumer surface!",
113            __FUNCTION__, mId);
114    return INVALID_OPERATION;
115}
116}; // namespace camera3
117
118}; // namespace android
119