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      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 
     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 
     35 Camera3DummyStream::~Camera3DummyStream() {
     36 
     37 }
     38 
     39 status_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 
     46 status_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 
     54 status_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 
     65 void 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 
     74 status_t Camera3DummyStream::setTransform(int) {
     75     ATRACE_CALL();
     76     // Do nothing
     77     return OK;
     78 }
     79 
     80 status_t Camera3DummyStream::detachBuffer(sp<GraphicBuffer>* buffer, int* fenceFd) {
     81     (void) buffer;
     82     (void) fenceFd;
     83     // Do nothing
     84     return OK;
     85 }
     86 
     87 status_t Camera3DummyStream::configureQueueLocked() {
     88     // Do nothing
     89     return OK;
     90 }
     91 
     92 status_t Camera3DummyStream::disconnectLocked() {
     93     mState = (mState == STATE_IN_RECONFIG) ? STATE_IN_CONFIG
     94                                            : STATE_CONSTRUCTED;
     95     return OK;
     96 }
     97 
     98 status_t Camera3DummyStream::getEndpointUsage(uint32_t *usage) const {
     99     *usage = DUMMY_USAGE;
    100     return OK;
    101 }
    102 
    103 bool Camera3DummyStream::isVideoStream() const {
    104     return false;
    105 }
    106 
    107 bool Camera3DummyStream::isConsumerConfigurationDeferred(size_t /*surface_id*/) const {
    108     return false;
    109 }
    110 
    111 status_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