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286 lines
9.4 KiB
286 lines
9.4 KiB
/*
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* Copyright (C) 2013-2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "Camera3-IOStreamBase"
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#define ATRACE_TAG ATRACE_TAG_CAMERA
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//#define LOG_NDEBUG 0
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#include <inttypes.h>
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#include <utils/Log.h>
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#include <utils/Trace.h>
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#include "device3/Camera3IOStreamBase.h"
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#include "device3/StatusTracker.h"
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namespace android {
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namespace camera3 {
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Camera3IOStreamBase::Camera3IOStreamBase(int id, camera_stream_type_t type,
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uint32_t width, uint32_t height, size_t maxSize, int format,
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android_dataspace dataSpace, camera_stream_rotation_t rotation,
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const String8& physicalCameraId,
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const std::unordered_set<int32_t> &sensorPixelModesUsed,
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int setId, bool isMultiResolution) :
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Camera3Stream(id, type,
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width, height, maxSize, format, dataSpace, rotation,
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physicalCameraId, sensorPixelModesUsed, setId, isMultiResolution),
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mTotalBufferCount(0),
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mHandoutTotalBufferCount(0),
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mHandoutOutputBufferCount(0),
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mFrameCount(0),
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mLastTimestamp(0) {
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mCombinedFence = new Fence();
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if (maxSize > 0 &&
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(format != HAL_PIXEL_FORMAT_BLOB && format != HAL_PIXEL_FORMAT_RAW_OPAQUE)) {
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ALOGE("%s: Bad format for size-only stream: %d", __FUNCTION__,
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format);
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mState = STATE_ERROR;
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}
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}
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Camera3IOStreamBase::~Camera3IOStreamBase() {
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disconnectLocked();
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}
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bool Camera3IOStreamBase::hasOutstandingBuffersLocked() const {
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nsecs_t signalTime = mCombinedFence->getSignalTime();
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ALOGV("%s: Stream %d: Has %zu outstanding buffers,"
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" buffer signal time is %" PRId64,
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__FUNCTION__, mId, mHandoutTotalBufferCount, signalTime);
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if (mHandoutTotalBufferCount > 0 || signalTime == INT64_MAX) {
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return true;
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}
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return false;
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}
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void Camera3IOStreamBase::dump(int fd, const Vector<String16> &args) const {
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(void) args;
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String8 lines;
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uint64_t consumerUsage = 0;
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status_t res = getEndpointUsage(&consumerUsage);
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if (res != OK) consumerUsage = 0;
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lines.appendFormat(" State: %d\n", mState);
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lines.appendFormat(" Dims: %d x %d, format 0x%x, dataspace 0x%x\n",
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camera_stream::width, camera_stream::height,
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camera_stream::format, camera_stream::data_space);
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lines.appendFormat(" Max size: %zu\n", mMaxSize);
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lines.appendFormat(" Combined usage: %" PRIu64 ", max HAL buffers: %d\n",
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mUsage | consumerUsage, camera_stream::max_buffers);
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if (strlen(camera_stream::physical_camera_id) > 0) {
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lines.appendFormat(" Physical camera id: %s\n", camera_stream::physical_camera_id);
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}
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lines.appendFormat(" Frames produced: %d, last timestamp: %" PRId64 " ns\n",
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mFrameCount, mLastTimestamp);
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lines.appendFormat(" Total buffers: %zu, currently dequeued: %zu\n",
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mTotalBufferCount, mHandoutTotalBufferCount);
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write(fd, lines.string(), lines.size());
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Camera3Stream::dump(fd, args);
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}
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status_t Camera3IOStreamBase::configureQueueLocked() {
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status_t res;
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switch (mState) {
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case STATE_IN_RECONFIG:
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res = disconnectLocked();
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if (res != OK) {
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return res;
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}
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break;
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case STATE_IN_CONFIG:
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// OK
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break;
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default:
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ALOGE("%s: Bad state: %d", __FUNCTION__, mState);
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return INVALID_OPERATION;
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}
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return OK;
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}
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size_t Camera3IOStreamBase::getBufferCountLocked() {
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return mTotalBufferCount;
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}
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size_t Camera3IOStreamBase::getHandoutOutputBufferCountLocked() const {
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return mHandoutOutputBufferCount;
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}
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size_t Camera3IOStreamBase::getHandoutInputBufferCountLocked() {
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return (mHandoutTotalBufferCount - mHandoutOutputBufferCount);
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}
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status_t Camera3IOStreamBase::disconnectLocked() {
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switch (mState) {
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case STATE_IN_RECONFIG:
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case STATE_CONFIGURED:
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case STATE_ABANDONED:
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// OK
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break;
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default:
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// No connection, nothing to do
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ALOGV("%s: Stream %d: Already disconnected",
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__FUNCTION__, mId);
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return -ENOTCONN;
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}
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if (mHandoutTotalBufferCount > 0) {
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ALOGE("%s: Can't disconnect with %zu buffers still dequeued!",
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__FUNCTION__, mHandoutTotalBufferCount);
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return INVALID_OPERATION;
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}
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return OK;
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}
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void Camera3IOStreamBase::handoutBufferLocked(camera_stream_buffer &buffer,
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buffer_handle_t *handle,
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int acquireFence,
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int releaseFence,
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camera_buffer_status_t status,
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bool output) {
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/**
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* Note that all fences are now owned by HAL.
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*/
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// Handing out a raw pointer to this object. Increment internal refcount.
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incStrong(this);
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buffer.stream = this;
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buffer.buffer = handle;
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buffer.acquire_fence = acquireFence;
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buffer.release_fence = releaseFence;
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buffer.status = status;
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// Inform tracker about becoming busy
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if (mHandoutTotalBufferCount == 0 && mState != STATE_IN_CONFIG &&
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mState != STATE_IN_RECONFIG && mState != STATE_PREPARING) {
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/**
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* Avoid a spurious IDLE->ACTIVE->IDLE transition when using buffers
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* before/after register_stream_buffers during initial configuration
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* or re-configuration, or during prepare pre-allocation
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*/
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sp<StatusTracker> statusTracker = mStatusTracker.promote();
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if (statusTracker != 0) {
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statusTracker->markComponentActive(mStatusId);
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}
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}
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mHandoutTotalBufferCount++;
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if (output) {
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mHandoutOutputBufferCount++;
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}
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}
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status_t Camera3IOStreamBase::getBufferPreconditionCheckLocked() const {
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// Allow dequeue during IN_[RE]CONFIG for registration, in
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// PREPARING for pre-allocation
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if (mState != STATE_CONFIGURED &&
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mState != STATE_IN_CONFIG && mState != STATE_IN_RECONFIG &&
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mState != STATE_PREPARING) {
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ALOGE("%s: Stream %d: Can't get buffers in unconfigured state %d",
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__FUNCTION__, mId, mState);
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return INVALID_OPERATION;
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}
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return OK;
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}
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status_t Camera3IOStreamBase::returnBufferPreconditionCheckLocked() const {
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// Allow buffers to be returned in the error state, to allow for disconnect
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// and in the in-config states for registration
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if (mState == STATE_CONSTRUCTED) {
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ALOGE("%s: Stream %d: Can't return buffers in unconfigured state %d",
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__FUNCTION__, mId, mState);
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return INVALID_OPERATION;
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}
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if (mHandoutTotalBufferCount == 0) {
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ALOGE("%s: Stream %d: No buffers outstanding to return", __FUNCTION__,
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mId);
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return INVALID_OPERATION;
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}
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return OK;
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}
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status_t Camera3IOStreamBase::returnAnyBufferLocked(
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const camera_stream_buffer &buffer,
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nsecs_t timestamp,
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bool output,
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const std::vector<size_t>& surface_ids) {
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status_t res;
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// returnBuffer may be called from a raw pointer, not a sp<>, and we'll be
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// decrementing the internal refcount next. In case this is the last ref, we
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// might get destructed on the decStrong(), so keep an sp around until the
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// end of the call - otherwise have to sprinkle the decStrong on all exit
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// points.
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sp<Camera3IOStreamBase> keepAlive(this);
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decStrong(this);
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if ((res = returnBufferPreconditionCheckLocked()) != OK) {
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return res;
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}
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sp<Fence> releaseFence;
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res = returnBufferCheckedLocked(buffer, timestamp, output, surface_ids,
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&releaseFence);
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// Res may be an error, but we still want to decrement our owned count
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// to enable clean shutdown. So we'll just return the error but otherwise
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// carry on
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if (releaseFence != 0) {
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mCombinedFence = Fence::merge(mName, mCombinedFence, releaseFence);
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}
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if (output) {
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mHandoutOutputBufferCount--;
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}
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mHandoutTotalBufferCount--;
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if (mHandoutTotalBufferCount == 0 && mState != STATE_IN_CONFIG &&
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mState != STATE_IN_RECONFIG && mState != STATE_PREPARING) {
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/**
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* Avoid a spurious IDLE->ACTIVE->IDLE transition when using buffers
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* before/after register_stream_buffers during initial configuration
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* or re-configuration, or during prepare pre-allocation
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*/
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ALOGV("%s: Stream %d: All buffers returned; now idle", __FUNCTION__,
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mId);
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sp<StatusTracker> statusTracker = mStatusTracker.promote();
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if (statusTracker != 0) {
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statusTracker->markComponentIdle(mStatusId, mCombinedFence);
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}
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}
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if (output) {
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mLastTimestamp = timestamp;
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}
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return res;
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}
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}; // namespace camera3
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}; // namespace android
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