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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_SERVERS_CAMERA3_INFLIGHT_REQUEST_H
#define ANDROID_SERVERS_CAMERA3_INFLIGHT_REQUEST_H
#include <set>
#include <camera/CaptureResult.h>
#include <camera/CameraMetadata.h>
#include <utils/Timers.h>
#include "common/CameraDeviceBase.h"
namespace android {
namespace camera3 {
typedef struct camera_stream_configuration {
uint32_t num_streams;
camera_stream_t **streams;
uint32_t operation_mode;
bool input_is_multi_resolution;
bool use_hal_buf_manager = false;
} camera_stream_configuration_t;
typedef struct camera_capture_request {
uint32_t frame_number;
const camera_metadata_t *settings;
camera_stream_buffer_t *input_buffer;
uint32_t num_output_buffers;
const camera_stream_buffer_t *output_buffers;
uint32_t num_physcam_settings;
const char **physcam_id;
const camera_metadata_t **physcam_settings;
int32_t input_width;
int32_t input_height;
} camera_capture_request_t;
typedef struct camera_capture_result {
uint32_t frame_number;
const camera_metadata_t *result;
uint32_t num_output_buffers;
const camera_stream_buffer_t *output_buffers;
const camera_stream_buffer_t *input_buffer;
uint32_t partial_result;
uint32_t num_physcam_metadata;
const char **physcam_ids;
const camera_metadata_t **physcam_metadata;
} camera_capture_result_t;
typedef struct camera_shutter_msg {
uint32_t frame_number;
uint64_t timestamp;
bool readout_timestamp_valid;
uint64_t readout_timestamp;
} camera_shutter_msg_t;
typedef struct camera_error_msg {
uint32_t frame_number;
camera_stream_t *error_stream;
int error_code;
} camera_error_msg_t;
typedef enum camera_error_msg_code {
CAMERA_MSG_ERROR_DEVICE = 1,
CAMERA_MSG_ERROR_REQUEST = 2,
CAMERA_MSG_ERROR_RESULT = 3,
CAMERA_MSG_ERROR_BUFFER = 4,
CAMERA_MSG_NUM_ERRORS
} camera_error_msg_code_t;
typedef struct camera_notify_msg {
int type;
union {
camera_error_msg_t error;
camera_shutter_msg_t shutter;
} message;
} camera_notify_msg_t;
typedef enum {
// Cache the buffers with STATUS_ERROR within InFlightRequest
ERROR_BUF_CACHE,
// Return the buffers with STATUS_ERROR to the buffer queue
ERROR_BUF_RETURN,
// Return the buffers with STATUS_ERROR to the buffer queue, and call
// notify(ERROR_BUFFER) as well
ERROR_BUF_RETURN_NOTIFY
} ERROR_BUF_STRATEGY;
struct InFlightRequest {
// Set by notify() SHUTTER call.
nsecs_t shutterTimestamp;
// Set by process_capture_result().
nsecs_t sensorTimestamp;
int requestStatus;
// Set by process_capture_result call with valid metadata
bool haveResultMetadata;
// Decremented by calls to process_capture_result with valid output
// and input buffers
int numBuffersLeft;
// The inflight request is considered complete if all buffers are returned
CaptureResultExtras resultExtras;
// If this request has any input buffer
bool hasInputBuffer;
// The last metadata that framework receives from HAL and
// not yet send out because the shutter event hasn't arrived.
// It's added by process_capture_result and sent when framework
// receives the shutter event.
CameraMetadata pendingMetadata;
// The metadata of the partial results that framework receives from HAL so far
// and has sent out.
CameraMetadata collectedPartialResult;
// Buffers are added by process_capture_result when output buffers
// return from HAL but framework has not yet received the shutter
// event. They will be returned to the streams when framework receives
// the shutter event.
Vector<camera_stream_buffer_t> pendingOutputBuffers;
// Whether this inflight request's shutter and result callback are to be
// called. The policy is that if the request is the last one in the constrained
// high speed recording request list, this flag will be true. If the request list
// is not for constrained high speed recording, this flag will also be true.
bool hasCallback;
// Minimum expected frame duration for this request
// For manual captures, equal to the max of requested exposure time and frame duration
// For auto-exposure modes, equal to 1/(higher end of target FPS range)
nsecs_t minExpectedDuration;
// Maximum expected frame duration for this request.
// For manual captures, equal to the max of requested exposure time and frame duration
// For auto-exposure modes, equal to 1/(lower end of target FPS range)
nsecs_t maxExpectedDuration;
// Whether the FPS range is fixed, aka, minFps == maxFps
bool isFixedFps;
// Whether the result metadata for this request is to be skipped. The
// result metadata should be skipped in the case of
// REQUEST/RESULT error.
bool skipResultMetadata;
// Whether the buffers with STATUS_ERROR should be cached as pending buffers,
// returned to the buffer queue, or returned to the buffer queue and notify with ERROR_BUFFER.
ERROR_BUF_STRATEGY errorBufStrategy;
// The physical camera ids being requested.
// For request on a physical camera stream, the inside set contains one Id
// For request on a stream group containing physical camera streams, the
// inside set contains all stream Ids in the group.
std::set<std::set<std::string>> physicalCameraIds;
// Map of physicalCameraId <-> Metadata
std::vector<PhysicalCaptureResultInfo> physicalMetadatas;
// Indicates a still capture request.
bool stillCapture;
// Indicates a ZSL capture request
bool zslCapture;
// Indicates that ROTATE_AND_CROP was set to AUTO
bool rotateAndCropAuto;
// Indicates that AUTOFRAMING was set to AUTO
bool autoframingAuto;
// Requested camera ids (both logical and physical) with zoomRatio != 1.0f
std::set<std::string> cameraIdsWithZoom;
// Time of capture request (from systemTime) in Ns
nsecs_t requestTimeNs;
// What shared surfaces an output should go to
SurfaceMap outputSurfaces;
// Current output transformation
int32_t transform;
static const nsecs_t kDefaultMinExpectedDuration = 33333333; // 33 ms
static const nsecs_t kDefaultMaxExpectedDuration = 100000000; // 100 ms
// Default constructor needed by KeyedVector
InFlightRequest() :
shutterTimestamp(0),
sensorTimestamp(0),
requestStatus(OK),
haveResultMetadata(false),
numBuffersLeft(0),
hasInputBuffer(false),
hasCallback(true),
minExpectedDuration(kDefaultMinExpectedDuration),
maxExpectedDuration(kDefaultMaxExpectedDuration),
isFixedFps(false),
skipResultMetadata(false),
errorBufStrategy(ERROR_BUF_CACHE),
stillCapture(false),
zslCapture(false),
rotateAndCropAuto(false),
autoframingAuto(false),
requestTimeNs(0),
transform(-1) {
}
InFlightRequest(int numBuffers, CaptureResultExtras extras, bool hasInput,
bool hasAppCallback, nsecs_t minDuration, nsecs_t maxDuration, bool fixedFps,
const std::set<std::set<std::string>>& physicalCameraIdSet, bool isStillCapture,
bool isZslCapture, bool rotateAndCropAuto, bool autoframingAuto,
const std::set<std::string>& idsWithZoom, nsecs_t requestNs,
const SurfaceMap& outSurfaces = SurfaceMap{}) :
shutterTimestamp(0),
sensorTimestamp(0),
requestStatus(OK),
haveResultMetadata(false),
numBuffersLeft(numBuffers),
resultExtras(extras),
hasInputBuffer(hasInput),
hasCallback(hasAppCallback),
minExpectedDuration(minDuration),
maxExpectedDuration(maxDuration),
isFixedFps(fixedFps),
skipResultMetadata(false),
errorBufStrategy(ERROR_BUF_CACHE),
physicalCameraIds(physicalCameraIdSet),
stillCapture(isStillCapture),
zslCapture(isZslCapture),
rotateAndCropAuto(rotateAndCropAuto),
autoframingAuto(autoframingAuto),
cameraIdsWithZoom(idsWithZoom),
requestTimeNs(requestNs),
outputSurfaces(outSurfaces),
transform(-1) {
}
};
// Map from frame number to the in-flight request state
typedef KeyedVector<uint32_t, InFlightRequest> InFlightRequestMap;
} // namespace camera3
} // namespace android
#endif