* Copyright (c) 2021-2026 Huawei Device Co., Ltd.
* 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 DISTRIBUTED_CONSTANTS_H
#define DISTRIBUTED_CONSTANTS_H
#include <string>
#include <vector>
namespace OHOS {
namespace DistributedHardware {
const uint32_t YUV_WIDTH_RATIO = 3;
const uint32_t YUV_HEIGHT_RATIO = 2;
const uint32_t DEVID_MAX_LENGTH = 256;
const uint32_t DHID_MAX_LENGTH = 256;
const uint32_t CONTAINER_CAPACITY_MAX_SIZE = 50 * 1024 * 1024;
const uint32_t METADATA_CAPACITY_MAX_SIZE = 50 * 1024 * 1024;
const int32_t STREAM_HEIGHT_MAX_SIZE = 10000;
const int32_t STREAM_WIDTH_MAX_SIZE = 10000;
const int32_t JPEG_MAX_SIZE = 24 * 1024 * 1024;
constexpr size_t DEFAULT_ENTRY_CAPACITY = 100;
constexpr size_t DEFAULT_DATA_CAPACITY = 2000;
const uint32_t SIZE_FMT_LEN = 2;
const uint32_t MAX_SUPPORT_PREVIEW_WIDTH = 1920;
const uint32_t MAX_SUPPORT_PREVIEW_HEIGHT = 1920;
const uint32_t MAX_SUPPORT_PHOTO_WIDTH = 4096;
const uint32_t MAX_SUPPORT_PHOTO_HEIGHT = 3072;
const std::string STAR_SEPARATOR = "*";
const uint32_t MIN_SUPPORT_DEFAULT_FPS = 15;
const uint32_t MAX_SUPPORT_DEFAULT_FPS = 30;
const int64_t MAX_FRAME_DURATION = 1000000000LL / 10;
const uint32_t BUFFER_QUEUE_SIZE = 8;
const uint32_t DEGREE_180 = 180;
const uint32_t DEGREE_240 = 240;
const uint32_t INGNORE_STR_LEN = 2;
const uint32_t WAIT_OPEN_TIMEOUT_SEC = 5;
const uint32_t BUFFER_SYNC_FENCE_TIMEOUT = 100;
const int32_t GET_FULL_WAIT_SECONDS = 10;
const std::string ENCODE_TYPE_STR_H264 = "video/avc";
const std::string ENCODE_TYPE_STR_H265 = "video/hevc";
const std::string ENCODE_TYPE_STR_JPEG = "jpeg";
const std::string ENCODE_TYPE_STR_MPEG4_ES = "video/mp4v-es";
const std::string DC_LOG_TITLE_TAG = "DCAMERA";
const std::string FULL_DATA_KEY = "ProtocolVer";
const std::string META_DATA_KEY = "MetaData";
const std::string CAMERA_SUPPORT_MODE = "Mode";
constexpr int32_t LOG_MAX_LEN = 4096;
constexpr uint64_t SEC_TO_NSEC_TIMES = 1000000000;
const uint32_t OHOS_CONTROL_REQUEST_CAMERA_SWITCH = 268435515;
const uint32_t OHOS_CONTROL_CAMERA_SWITCH_INFOS = 268435516;
typedef enum {
OHOS_CAMERA_FORMAT_INVALID = 0,
OHOS_CAMERA_FORMAT_RGBA_8888,
OHOS_CAMERA_FORMAT_YCBCR_420_888,
OHOS_CAMERA_FORMAT_YCRCB_420_SP,
OHOS_CAMERA_FORMAT_YCBCR_420_SP,
OHOS_CAMERA_FORMAT_JPEG,
OHOS_CAMERA_FORMAT_YCBCB_P010,
} DCameraFormat;
typedef enum {
DCAMERA_MESSAGE = 0,
DCAMERA_OPERATION = 1,
DCAMERA_SINK_STOP = 2,
DCAMERE_GETFULLCAP = 3,
DCAMERE_FORCE_SWITCH = 4,
} DCameraEventType;
typedef enum {
DCAMERA_EVENT_CHANNEL_DISCONNECTED = 0,
DCAMERA_EVENT_CHANNEL_CONNECTED = 1,
DCAMERA_EVENT_CAMERA_SUCCESS = 2,
DCAMERA_EVENT_CAMERA_ERROR = -1,
DCAMERA_EVENT_OPEN_CHANNEL_ERROR = -2,
DCAMERA_EVENT_CLOSE_CHANNEL_ERROR = -3,
DCAMERA_EVENT_CONFIG_STREAMS_ERROR = -4,
DCAMERA_EVENT_RELEASE_STREAMS_ERROR = -5,
DCAMERA_EVENT_START_CAPTURE_ERROR = -6,
DCAMERA_EVENT_STOP_CAPTURE_ERROR = -7,
DCAMERA_EVENT_UPDATE_SETTINGS_ERROR = -8,
DCAMERA_EVENT_DEVICE_ERROR = -9,
DCAMERA_EVENT_DEVICE_PREEMPT = -10,
DCAMERA_EVENT_DEVICE_IN_USE = -11,
DCAMERA_EVENT_NO_PERMISSION = -12,
} DCameraEventResult;
enum DCameraBufferUsage : uint64_t {
CAMERA_USAGE_SW_READ_OFTEN = (1 << 0),
CAMERA_USAGE_SW_WRITE_OFTEN = (1 << 1),
CAMERA_USAGE_MEM_DMA = (1 << 2),
};
using DCSceneType = enum _DCSceneType : int32_t {
PREVIEW = 0,
VIDEO = 1,
PHOTO = 2
};
using RetCode = uint32_t;
enum Ret : uint32_t {
RC_OK = 0,
RC_ERROR,
};
struct DCResolution {
int32_t width_;
int32_t height_;
DCResolution() : width_(0), height_(0) {}
DCResolution(int32_t width, int32_t height) : width_(width), height_(height) {}
bool operator ==(const DCResolution& others) const
{
return (this->width_ == others.width_) && (this->height_ == others.height_);
}
bool operator <(const DCResolution& others) const
{
return this->width_ < others.width_ ||
(this->width_ == others.width_ && this->height_ < others.height_);
}
};
struct DCFps {
int32_t fixedFps_;
int32_t minFps_;
int32_t maxFps_;
DCFps() : fixedFps_(0), minFps_(0), maxFps_(0) {}
DCFps(int32_t fixed, int32_t minVal, int32_t maxVal)
: fixedFps_(fixed), minFps_(minVal), maxFps_(maxVal) {}
};
}
}
#endif