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gecko-dev/dom/camera/FallbackCameraPlatform.h

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9.0 KiB
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/*
* Copyright (C) 2008 The Android Open Source Project
* Copyright (C) 2015 Mozilla Foundation
*
* 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 DOM_CAMERA_FALLBACKCAMERAPLATFORM_H
#define DOM_CAMERA_FALLBACKCAMERAPLATFORM_H
#include <inttypes.h>
#include <string.h>
typedef struct {
int32_t id;
int32_t score;
int32_t rect[4];
int32_t left_eye[2];
int32_t right_eye[2];
int32_t mouth[2];
} camera_face_t;
typedef struct {
uint32_t number_of_faces;
camera_face_t* faces;
} camera_frame_metadata_t;
namespace android {
enum camcorder_quality {
CAMCORDER_QUALITY_LOW,
CAMCORDER_QUALITY_HIGH,
CAMCORDER_QUALITY_QCIF,
CAMCORDER_QUALITY_CIF,
CAMCORDER_QUALITY_480P,
CAMCORDER_QUALITY_720P,
CAMCORDER_QUALITY_1080P,
CAMCORDER_QUALITY_QVGA,
CAMCORDER_QUALITY_VGA,
CAMCORDER_QUALITY_LIST_START = CAMCORDER_QUALITY_LOW,
CAMCORDER_QUALITY_LIST_END = CAMCORDER_QUALITY_VGA
};
enum output_format {
OUTPUT_FORMAT_THREE_GPP,
OUTPUT_FORMAT_MPEG_4
};
enum video_encoder {
VIDEO_ENCODER_H263,
VIDEO_ENCODER_H264,
VIDEO_ENCODER_MPEG_4_SP
};
enum audio_encoder {
AUDIO_ENCODER_AMR_WB,
AUDIO_ENCODER_AMR_NB,
AUDIO_ENCODER_AAC
};
template <class T>
class sp final
{
public:
sp()
: mPtr(nullptr)
{ }
sp(T *aPtr)
: mPtr(aPtr)
{ }
virtual ~sp() { }
T* get() const { return mPtr; }
void clear() { mPtr = nullptr; }
T* operator->() const { return get(); }
private:
nsRefPtr<T> mPtr;
};
typedef uint64_t nsecs_t;
enum error_t {
OK = 0,
UNKNOWN_ERROR,
INVALID_OPERATION
};
enum camera_msg_t {
CAMERA_MSG_SHUTTER,
CAMERA_MSG_COMPRESSED_IMAGE
};
class String8 final
{
public:
String8() { }
String8(const char* aData) { mData.AssignASCII(aData); }
virtual ~String8() { }
const char* string() const { return mData.Data(); }
private:
nsCString mData;
};
enum camera_facing_t {
CAMERA_FACING_BACK,
CAMERA_FACING_FRONT
};
struct CameraInfo {
camera_facing_t facing;
};
class Camera final : public nsISupports
{
public:
NS_DECL_ISUPPORTS;
void disconnect() { }
String8 getParameters() { return String8(); }
int setParameters(const String8& aParams) { return UNKNOWN_ERROR; }
int storeMetaDataInBuffers(bool aEnabled) { return UNKNOWN_ERROR; }
int autoFocus() { return UNKNOWN_ERROR; }
int cancelAutoFocus() { return UNKNOWN_ERROR; }
int takePicture(uint32_t flags) { return UNKNOWN_ERROR; }
int startPreview() { return UNKNOWN_ERROR; }
int stopPreview() { return UNKNOWN_ERROR; }
int startRecording() { return UNKNOWN_ERROR; }
int stopRecording() { return UNKNOWN_ERROR; }
int startFaceDetection() { return UNKNOWN_ERROR; }
int stopFaceDetection() { return UNKNOWN_ERROR; }
static int32_t getNumberOfCameras() { return 2; }
static int getCameraInfo(int32_t aDevice, CameraInfo* aInfo)
{
switch (aDevice) {
case 0:
aInfo->facing = CAMERA_FACING_BACK;
break;
case 1:
aInfo->facing = CAMERA_FACING_FRONT;
break;
default:
return UNKNOWN_ERROR;
}
return OK;
}
protected:
Camera() { }
virtual ~Camera() { }
private:
Camera(const Camera&) = delete;
Camera& operator=(const Camera&) = delete;
};
class CameraParameters final
{
public:
static const char KEY_PREVIEW_SIZE[];
static const char KEY_SUPPORTED_PREVIEW_SIZES[];
static const char KEY_PREVIEW_FPS_RANGE[];
static const char KEY_SUPPORTED_PREVIEW_FPS_RANGE[];
static const char KEY_PREVIEW_FORMAT[];
static const char KEY_SUPPORTED_PREVIEW_FORMATS[];
static const char KEY_PREVIEW_FRAME_RATE[];
static const char KEY_SUPPORTED_PREVIEW_FRAME_RATES[];
static const char KEY_PICTURE_SIZE[];
static const char KEY_SUPPORTED_PICTURE_SIZES[];
static const char KEY_PICTURE_FORMAT[];
static const char KEY_SUPPORTED_PICTURE_FORMATS[];
static const char KEY_JPEG_THUMBNAIL_WIDTH[];
static const char KEY_JPEG_THUMBNAIL_HEIGHT[];
static const char KEY_SUPPORTED_JPEG_THUMBNAIL_SIZES[];
static const char KEY_JPEG_THUMBNAIL_QUALITY[];
static const char KEY_JPEG_QUALITY[];
static const char KEY_ROTATION[];
static const char KEY_GPS_LATITUDE[];
static const char KEY_GPS_LONGITUDE[];
static const char KEY_GPS_ALTITUDE[];
static const char KEY_GPS_TIMESTAMP[];
static const char KEY_GPS_PROCESSING_METHOD[];
static const char KEY_WHITE_BALANCE[];
static const char KEY_SUPPORTED_WHITE_BALANCE[];
static const char KEY_EFFECT[];
static const char KEY_SUPPORTED_EFFECTS[];
static const char KEY_ANTIBANDING[];
static const char KEY_SUPPORTED_ANTIBANDING[];
static const char KEY_SCENE_MODE[];
static const char KEY_SUPPORTED_SCENE_MODES[];
static const char KEY_FLASH_MODE[];
static const char KEY_SUPPORTED_FLASH_MODES[];
static const char KEY_FOCUS_MODE[];
static const char KEY_SUPPORTED_FOCUS_MODES[];
static const char KEY_MAX_NUM_FOCUS_AREAS[];
static const char KEY_FOCUS_AREAS[];
static const char KEY_FOCAL_LENGTH[];
static const char KEY_HORIZONTAL_VIEW_ANGLE[];
static const char KEY_VERTICAL_VIEW_ANGLE[];
static const char KEY_EXPOSURE_COMPENSATION[];
static const char KEY_MAX_EXPOSURE_COMPENSATION[];
static const char KEY_MIN_EXPOSURE_COMPENSATION[];
static const char KEY_EXPOSURE_COMPENSATION_STEP[];
static const char KEY_AUTO_EXPOSURE_LOCK[];
static const char KEY_AUTO_EXPOSURE_LOCK_SUPPORTED[];
static const char KEY_AUTO_WHITEBALANCE_LOCK[];
static const char KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED[];
static const char KEY_MAX_NUM_METERING_AREAS[];
static const char KEY_METERING_AREAS[];
static const char KEY_ZOOM[];
static const char KEY_MAX_ZOOM[];
static const char KEY_ZOOM_RATIOS[];
static const char KEY_ZOOM_SUPPORTED[];
static const char KEY_SMOOTH_ZOOM_SUPPORTED[];
static const char KEY_FOCUS_DISTANCES[];
static const char KEY_VIDEO_SIZE[];
static const char KEY_SUPPORTED_VIDEO_SIZES[];
static const char KEY_MAX_NUM_DETECTED_FACES_HW[];
static const char KEY_MAX_NUM_DETECTED_FACES_SW[];
static const char KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO[];
static const char KEY_VIDEO_FRAME_FORMAT[];
static const char KEY_RECORDING_HINT[];
static const char KEY_VIDEO_SNAPSHOT_SUPPORTED[];
static const char KEY_VIDEO_STABILIZATION[];
static const char KEY_VIDEO_STABILIZATION_SUPPORTED[];
static const char KEY_LIGHTFX[];
};
class MediaProfiles final
{
public:
static MediaProfiles* getInstance() {
if (!sMediaProfiles) {
sMediaProfiles = new MediaProfiles();
}
return sMediaProfiles;
}
bool hasCamcorderProfile(int aCameraId, camcorder_quality aQuality) const {
switch (aQuality) {
case CAMCORDER_QUALITY_LOW:
case CAMCORDER_QUALITY_HIGH:
case CAMCORDER_QUALITY_QVGA:
case CAMCORDER_QUALITY_VGA:
return true;
default:
break;
}
return false;
}
int getCamcorderProfileParamByName(const char* aParameter, int aCameraId, camcorder_quality aQuality) const {
switch (aQuality) {
case CAMCORDER_QUALITY_LOW:
case CAMCORDER_QUALITY_QVGA:
if (strcmp(aParameter, "vid.width") == 0) {
return 320;
} else if (strcmp(aParameter, "vid.height") == 0) {
return 240;
} else if (strcmp(aParameter, "vid.fps") == 0) {
return 30;
}
return 0;
case CAMCORDER_QUALITY_HIGH:
case CAMCORDER_QUALITY_VGA:
if (strcmp(aParameter, "vid.width") == 0) {
return 640;
} else if (strcmp(aParameter, "vid.height") == 0) {
return 480;
} else if (strcmp(aParameter, "vid.fps") == 0) {
return 30;
}
return 0;
default:
break;
}
return -1;
}
protected:
MediaProfiles() { }
virtual ~MediaProfiles() { }
private:
MediaProfiles(const MediaProfiles&) = delete;
MediaProfiles& operator=(const MediaProfiles&) = delete;
static MediaProfiles* sMediaProfiles;
};
}
#endif
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