539 lines
19 KiB
C++
539 lines
19 KiB
C++
/*
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**
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** Copyright 2008, 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 "CameraParams"
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#include <utils/Log.h>
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#include <string.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <camera/CameraParameters.h>
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#include <system/graphics.h>
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namespace android {
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// Parameter keys to communicate between camera application and driver.
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const char CameraParameters::KEY_PREVIEW_SIZE[] = "preview-size";
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const char CameraParameters::KEY_SUPPORTED_PREVIEW_SIZES[] = "preview-size-values";
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const char CameraParameters::KEY_PREVIEW_FORMAT[] = "preview-format";
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const char CameraParameters::KEY_SUPPORTED_PREVIEW_FORMATS[] = "preview-format-values";
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const char CameraParameters::KEY_PREVIEW_FRAME_RATE[] = "preview-frame-rate";
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const char CameraParameters::KEY_SUPPORTED_PREVIEW_FRAME_RATES[] = "preview-frame-rate-values";
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const char CameraParameters::KEY_PREVIEW_FPS_RANGE[] = "preview-fps-range";
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const char CameraParameters::KEY_SUPPORTED_PREVIEW_FPS_RANGE[] = "preview-fps-range-values";
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const char CameraParameters::KEY_PICTURE_SIZE[] = "picture-size";
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const char CameraParameters::KEY_SUPPORTED_PICTURE_SIZES[] = "picture-size-values";
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const char CameraParameters::KEY_PICTURE_FORMAT[] = "picture-format";
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const char CameraParameters::KEY_SUPPORTED_PICTURE_FORMATS[] = "picture-format-values";
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const char CameraParameters::KEY_JPEG_THUMBNAIL_WIDTH[] = "jpeg-thumbnail-width";
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const char CameraParameters::KEY_JPEG_THUMBNAIL_HEIGHT[] = "jpeg-thumbnail-height";
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const char CameraParameters::KEY_SUPPORTED_JPEG_THUMBNAIL_SIZES[] = "jpeg-thumbnail-size-values";
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const char CameraParameters::KEY_JPEG_THUMBNAIL_QUALITY[] = "jpeg-thumbnail-quality";
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const char CameraParameters::KEY_JPEG_QUALITY[] = "jpeg-quality";
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const char CameraParameters::KEY_ROTATION[] = "rotation";
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const char CameraParameters::KEY_GPS_LATITUDE[] = "gps-latitude";
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const char CameraParameters::KEY_GPS_LONGITUDE[] = "gps-longitude";
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const char CameraParameters::KEY_GPS_ALTITUDE[] = "gps-altitude";
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const char CameraParameters::KEY_GPS_TIMESTAMP[] = "gps-timestamp";
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const char CameraParameters::KEY_GPS_PROCESSING_METHOD[] = "gps-processing-method";
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const char CameraParameters::KEY_WHITE_BALANCE[] = "whitebalance";
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const char CameraParameters::KEY_SUPPORTED_WHITE_BALANCE[] = "whitebalance-values";
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const char CameraParameters::KEY_EFFECT[] = "effect";
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const char CameraParameters::KEY_SUPPORTED_EFFECTS[] = "effect-values";
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const char CameraParameters::KEY_ANTIBANDING[] = "antibanding";
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const char CameraParameters::KEY_SUPPORTED_ANTIBANDING[] = "antibanding-values";
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const char CameraParameters::KEY_SCENE_MODE[] = "scene-mode";
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const char CameraParameters::KEY_SUPPORTED_SCENE_MODES[] = "scene-mode-values";
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const char CameraParameters::KEY_FLASH_MODE[] = "flash-mode";
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const char CameraParameters::KEY_SUPPORTED_FLASH_MODES[] = "flash-mode-values";
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const char CameraParameters::KEY_FOCUS_MODE[] = "focus-mode";
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const char CameraParameters::KEY_SUPPORTED_FOCUS_MODES[] = "focus-mode-values";
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const char CameraParameters::KEY_MAX_NUM_FOCUS_AREAS[] = "max-num-focus-areas";
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const char CameraParameters::KEY_FOCUS_AREAS[] = "focus-areas";
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const char CameraParameters::KEY_FOCAL_LENGTH[] = "focal-length";
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const char CameraParameters::KEY_HORIZONTAL_VIEW_ANGLE[] = "horizontal-view-angle";
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const char CameraParameters::KEY_VERTICAL_VIEW_ANGLE[] = "vertical-view-angle";
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const char CameraParameters::KEY_EXPOSURE_COMPENSATION[] = "exposure-compensation";
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const char CameraParameters::KEY_MAX_EXPOSURE_COMPENSATION[] = "max-exposure-compensation";
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const char CameraParameters::KEY_MIN_EXPOSURE_COMPENSATION[] = "min-exposure-compensation";
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const char CameraParameters::KEY_EXPOSURE_COMPENSATION_STEP[] = "exposure-compensation-step";
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const char CameraParameters::KEY_AUTO_EXPOSURE_LOCK[] = "auto-exposure-lock";
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const char CameraParameters::KEY_AUTO_EXPOSURE_LOCK_SUPPORTED[] = "auto-exposure-lock-supported";
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const char CameraParameters::KEY_AUTO_WHITEBALANCE_LOCK[] = "auto-whitebalance-lock";
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const char CameraParameters::KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED[] = "auto-whitebalance-lock-supported";
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const char CameraParameters::KEY_MAX_NUM_METERING_AREAS[] = "max-num-metering-areas";
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const char CameraParameters::KEY_METERING_AREAS[] = "metering-areas";
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const char CameraParameters::KEY_ZOOM[] = "zoom";
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const char CameraParameters::KEY_MAX_ZOOM[] = "max-zoom";
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const char CameraParameters::KEY_ZOOM_RATIOS[] = "zoom-ratios";
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const char CameraParameters::KEY_ZOOM_SUPPORTED[] = "zoom-supported";
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const char CameraParameters::KEY_SMOOTH_ZOOM_SUPPORTED[] = "smooth-zoom-supported";
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const char CameraParameters::KEY_FOCUS_DISTANCES[] = "focus-distances";
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const char CameraParameters::KEY_VIDEO_FRAME_FORMAT[] = "video-frame-format";
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const char CameraParameters::KEY_VIDEO_SIZE[] = "video-size";
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const char CameraParameters::KEY_SUPPORTED_VIDEO_SIZES[] = "video-size-values";
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const char CameraParameters::KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO[] = "preferred-preview-size-for-video";
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const char CameraParameters::KEY_MAX_NUM_DETECTED_FACES_HW[] = "max-num-detected-faces-hw";
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const char CameraParameters::KEY_MAX_NUM_DETECTED_FACES_SW[] = "max-num-detected-faces-sw";
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const char CameraParameters::KEY_RECORDING_HINT[] = "recording-hint";
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const char CameraParameters::KEY_VIDEO_SNAPSHOT_SUPPORTED[] = "video-snapshot-supported";
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const char CameraParameters::KEY_VIDEO_STABILIZATION[] = "video-stabilization";
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const char CameraParameters::KEY_VIDEO_STABILIZATION_SUPPORTED[] = "video-stabilization-supported";
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const char CameraParameters::KEY_LIGHTFX[] = "light-fx";
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const char CameraParameters::TRUE[] = "true";
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const char CameraParameters::FALSE[] = "false";
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const char CameraParameters::FOCUS_DISTANCE_INFINITY[] = "Infinity";
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// Values for white balance settings.
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const char CameraParameters::WHITE_BALANCE_AUTO[] = "auto";
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const char CameraParameters::WHITE_BALANCE_INCANDESCENT[] = "incandescent";
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const char CameraParameters::WHITE_BALANCE_FLUORESCENT[] = "fluorescent";
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const char CameraParameters::WHITE_BALANCE_WARM_FLUORESCENT[] = "warm-fluorescent";
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const char CameraParameters::WHITE_BALANCE_DAYLIGHT[] = "daylight";
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const char CameraParameters::WHITE_BALANCE_CLOUDY_DAYLIGHT[] = "cloudy-daylight";
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const char CameraParameters::WHITE_BALANCE_TWILIGHT[] = "twilight";
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const char CameraParameters::WHITE_BALANCE_SHADE[] = "shade";
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// Values for effect settings.
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const char CameraParameters::EFFECT_NONE[] = "none";
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const char CameraParameters::EFFECT_MONO[] = "mono";
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const char CameraParameters::EFFECT_NEGATIVE[] = "negative";
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const char CameraParameters::EFFECT_SOLARIZE[] = "solarize";
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const char CameraParameters::EFFECT_SEPIA[] = "sepia";
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const char CameraParameters::EFFECT_POSTERIZE[] = "posterize";
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const char CameraParameters::EFFECT_WHITEBOARD[] = "whiteboard";
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const char CameraParameters::EFFECT_BLACKBOARD[] = "blackboard";
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const char CameraParameters::EFFECT_AQUA[] = "aqua";
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// Values for antibanding settings.
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const char CameraParameters::ANTIBANDING_AUTO[] = "auto";
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const char CameraParameters::ANTIBANDING_50HZ[] = "50hz";
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const char CameraParameters::ANTIBANDING_60HZ[] = "60hz";
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const char CameraParameters::ANTIBANDING_OFF[] = "off";
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// Values for flash mode settings.
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const char CameraParameters::FLASH_MODE_OFF[] = "off";
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const char CameraParameters::FLASH_MODE_AUTO[] = "auto";
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const char CameraParameters::FLASH_MODE_ON[] = "on";
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const char CameraParameters::FLASH_MODE_RED_EYE[] = "red-eye";
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const char CameraParameters::FLASH_MODE_TORCH[] = "torch";
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// Values for scene mode settings.
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const char CameraParameters::SCENE_MODE_AUTO[] = "auto";
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const char CameraParameters::SCENE_MODE_ACTION[] = "action";
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const char CameraParameters::SCENE_MODE_PORTRAIT[] = "portrait";
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const char CameraParameters::SCENE_MODE_LANDSCAPE[] = "landscape";
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const char CameraParameters::SCENE_MODE_NIGHT[] = "night";
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const char CameraParameters::SCENE_MODE_NIGHT_PORTRAIT[] = "night-portrait";
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const char CameraParameters::SCENE_MODE_THEATRE[] = "theatre";
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const char CameraParameters::SCENE_MODE_BEACH[] = "beach";
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const char CameraParameters::SCENE_MODE_SNOW[] = "snow";
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const char CameraParameters::SCENE_MODE_SUNSET[] = "sunset";
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const char CameraParameters::SCENE_MODE_STEADYPHOTO[] = "steadyphoto";
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const char CameraParameters::SCENE_MODE_FIREWORKS[] = "fireworks";
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const char CameraParameters::SCENE_MODE_SPORTS[] = "sports";
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const char CameraParameters::SCENE_MODE_PARTY[] = "party";
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const char CameraParameters::SCENE_MODE_CANDLELIGHT[] = "candlelight";
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const char CameraParameters::SCENE_MODE_BARCODE[] = "barcode";
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const char CameraParameters::SCENE_MODE_HDR[] = "hdr";
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const char CameraParameters::PIXEL_FORMAT_YUV422SP[] = "yuv422sp";
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const char CameraParameters::PIXEL_FORMAT_YUV420SP[] = "yuv420sp";
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const char CameraParameters::PIXEL_FORMAT_YUV422I[] = "yuv422i-yuyv";
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const char CameraParameters::PIXEL_FORMAT_YUV420P[] = "yuv420p";
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const char CameraParameters::PIXEL_FORMAT_RGB565[] = "rgb565";
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const char CameraParameters::PIXEL_FORMAT_RGBA8888[] = "rgba8888";
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const char CameraParameters::PIXEL_FORMAT_JPEG[] = "jpeg";
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const char CameraParameters::PIXEL_FORMAT_BAYER_RGGB[] = "bayer-rggb";
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const char CameraParameters::PIXEL_FORMAT_ANDROID_OPAQUE[] = "android-opaque";
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// Values for focus mode settings.
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const char CameraParameters::FOCUS_MODE_AUTO[] = "auto";
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const char CameraParameters::FOCUS_MODE_INFINITY[] = "infinity";
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const char CameraParameters::FOCUS_MODE_MACRO[] = "macro";
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const char CameraParameters::FOCUS_MODE_FIXED[] = "fixed";
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const char CameraParameters::FOCUS_MODE_EDOF[] = "edof";
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const char CameraParameters::FOCUS_MODE_CONTINUOUS_VIDEO[] = "continuous-video";
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const char CameraParameters::FOCUS_MODE_CONTINUOUS_PICTURE[] = "continuous-picture";
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// Values for light fx settings
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const char CameraParameters::LIGHTFX_LOWLIGHT[] = "low-light";
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const char CameraParameters::LIGHTFX_HDR[] = "high-dynamic-range";
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CameraParameters::CameraParameters()
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: mMap()
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{
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}
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CameraParameters::~CameraParameters()
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{
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}
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String8 CameraParameters::flatten() const
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{
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String8 flattened("");
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size_t size = mMap.size();
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for (size_t i = 0; i < size; i++) {
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String8 k, v;
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k = mMap.keyAt(i);
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v = mMap.valueAt(i);
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flattened += k;
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flattened += "=";
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flattened += v;
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if (i != size-1)
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flattened += ";";
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}
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return flattened;
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}
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void CameraParameters::unflatten(const String8 ¶ms)
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{
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const char *a = params.string();
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const char *b;
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mMap.clear();
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for (;;) {
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// Find the bounds of the key name.
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b = strchr(a, '=');
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if (b == 0)
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break;
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// Create the key string.
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String8 k(a, (size_t)(b-a));
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// Find the value.
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a = b+1;
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b = strchr(a, ';');
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if (b == 0) {
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// If there's no semicolon, this is the last item.
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String8 v(a);
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mMap.add(k, v);
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break;
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}
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String8 v(a, (size_t)(b-a));
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mMap.add(k, v);
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a = b+1;
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}
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}
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void CameraParameters::set(const char *key, const char *value)
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{
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// XXX i think i can do this with strspn()
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if (strchr(key, '=') || strchr(key, ';')) {
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//XXX ALOGE("Key \"%s\"contains invalid character (= or ;)", key);
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return;
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}
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if (strchr(value, '=') || strchr(value, ';')) {
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//XXX ALOGE("Value \"%s\"contains invalid character (= or ;)", value);
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return;
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}
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mMap.replaceValueFor(String8(key), String8(value));
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}
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void CameraParameters::set(const char *key, int value)
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{
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char str[16];
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sprintf(str, "%d", value);
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set(key, str);
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}
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void CameraParameters::setFloat(const char *key, float value)
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{
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char str[16]; // 14 should be enough. We overestimate to be safe.
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snprintf(str, sizeof(str), "%g", value);
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set(key, str);
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}
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const char *CameraParameters::get(const char *key) const
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{
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String8 v = mMap.valueFor(String8(key));
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if (v.length() == 0)
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return 0;
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return v.string();
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}
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int CameraParameters::getInt(const char *key) const
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{
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const char *v = get(key);
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if (v == 0)
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return -1;
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return strtol(v, 0, 0);
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}
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float CameraParameters::getFloat(const char *key) const
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{
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const char *v = get(key);
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if (v == 0) return -1;
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return strtof(v, 0);
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}
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void CameraParameters::remove(const char *key)
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{
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mMap.removeItem(String8(key));
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}
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// Parse string like "640x480" or "10000,20000"
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static int parse_pair(const char *str, int *first, int *second, char delim,
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char **endptr = NULL)
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{
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// Find the first integer.
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char *end;
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int w = (int)strtol(str, &end, 10);
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// If a delimeter does not immediately follow, give up.
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if (*end != delim) {
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ALOGE("Cannot find delimeter (%c) in str=%s", delim, str);
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return -1;
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}
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// Find the second integer, immediately after the delimeter.
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int h = (int)strtol(end+1, &end, 10);
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*first = w;
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*second = h;
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if (endptr) {
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*endptr = end;
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}
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return 0;
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}
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static void parseSizesList(const char *sizesStr, Vector<Size> &sizes)
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{
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if (sizesStr == 0) {
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return;
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}
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char *sizeStartPtr = (char *)sizesStr;
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while (true) {
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int width, height;
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int success = parse_pair(sizeStartPtr, &width, &height, 'x',
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&sizeStartPtr);
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if (success == -1 || (*sizeStartPtr != ',' && *sizeStartPtr != '\0')) {
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ALOGE("Picture sizes string \"%s\" contains invalid character.", sizesStr);
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return;
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}
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sizes.push(Size(width, height));
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if (*sizeStartPtr == '\0') {
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return;
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}
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sizeStartPtr++;
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}
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}
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void CameraParameters::setPreviewSize(int width, int height)
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{
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char str[32];
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sprintf(str, "%dx%d", width, height);
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set(KEY_PREVIEW_SIZE, str);
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}
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void CameraParameters::getPreviewSize(int *width, int *height) const
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{
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*width = *height = -1;
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// Get the current string, if it doesn't exist, leave the -1x-1
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const char *p = get(KEY_PREVIEW_SIZE);
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if (p == 0) return;
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parse_pair(p, width, height, 'x');
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}
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void CameraParameters::getPreferredPreviewSizeForVideo(int *width, int *height) const
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{
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*width = *height = -1;
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const char *p = get(KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO);
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if (p == 0) return;
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parse_pair(p, width, height, 'x');
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}
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void CameraParameters::getSupportedPreviewSizes(Vector<Size> &sizes) const
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{
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const char *previewSizesStr = get(KEY_SUPPORTED_PREVIEW_SIZES);
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parseSizesList(previewSizesStr, sizes);
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}
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void CameraParameters::setVideoSize(int width, int height)
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{
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char str[32];
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sprintf(str, "%dx%d", width, height);
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set(KEY_VIDEO_SIZE, str);
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}
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void CameraParameters::getVideoSize(int *width, int *height) const
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{
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*width = *height = -1;
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const char *p = get(KEY_VIDEO_SIZE);
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if (p == 0) return;
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parse_pair(p, width, height, 'x');
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}
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void CameraParameters::getSupportedVideoSizes(Vector<Size> &sizes) const
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{
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const char *videoSizesStr = get(KEY_SUPPORTED_VIDEO_SIZES);
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parseSizesList(videoSizesStr, sizes);
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}
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void CameraParameters::setPreviewFrameRate(int fps)
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{
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set(KEY_PREVIEW_FRAME_RATE, fps);
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}
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int CameraParameters::getPreviewFrameRate() const
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{
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return getInt(KEY_PREVIEW_FRAME_RATE);
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}
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void CameraParameters::getPreviewFpsRange(int *min_fps, int *max_fps) const
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{
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*min_fps = *max_fps = -1;
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const char *p = get(KEY_PREVIEW_FPS_RANGE);
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if (p == 0) return;
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parse_pair(p, min_fps, max_fps, ',');
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}
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void CameraParameters::setPreviewFormat(const char *format)
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{
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set(KEY_PREVIEW_FORMAT, format);
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}
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const char *CameraParameters::getPreviewFormat() const
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{
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return get(KEY_PREVIEW_FORMAT);
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}
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void CameraParameters::setPictureSize(int width, int height)
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{
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char str[32];
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sprintf(str, "%dx%d", width, height);
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set(KEY_PICTURE_SIZE, str);
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}
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void CameraParameters::getPictureSize(int *width, int *height) const
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{
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*width = *height = -1;
|
|
// Get the current string, if it doesn't exist, leave the -1x-1
|
|
const char *p = get(KEY_PICTURE_SIZE);
|
|
if (p == 0) return;
|
|
parse_pair(p, width, height, 'x');
|
|
}
|
|
|
|
void CameraParameters::getSupportedPictureSizes(Vector<Size> &sizes) const
|
|
{
|
|
const char *pictureSizesStr = get(KEY_SUPPORTED_PICTURE_SIZES);
|
|
parseSizesList(pictureSizesStr, sizes);
|
|
}
|
|
|
|
void CameraParameters::setPictureFormat(const char *format)
|
|
{
|
|
set(KEY_PICTURE_FORMAT, format);
|
|
}
|
|
|
|
const char *CameraParameters::getPictureFormat() const
|
|
{
|
|
return get(KEY_PICTURE_FORMAT);
|
|
}
|
|
|
|
void CameraParameters::dump() const
|
|
{
|
|
ALOGD("dump: mMap.size = %zu", mMap.size());
|
|
for (size_t i = 0; i < mMap.size(); i++) {
|
|
String8 k, v;
|
|
k = mMap.keyAt(i);
|
|
v = mMap.valueAt(i);
|
|
ALOGD("%s: %s\n", k.string(), v.string());
|
|
}
|
|
}
|
|
|
|
status_t CameraParameters::dump(int fd, const Vector<String16>& /*args*/) const
|
|
{
|
|
const size_t SIZE = 256;
|
|
char buffer[SIZE];
|
|
String8 result;
|
|
snprintf(buffer, 255, "CameraParameters::dump: mMap.size = %zu\n", mMap.size());
|
|
result.append(buffer);
|
|
for (size_t i = 0; i < mMap.size(); i++) {
|
|
String8 k, v;
|
|
k = mMap.keyAt(i);
|
|
v = mMap.valueAt(i);
|
|
snprintf(buffer, 255, "\t%s: %s\n", k.string(), v.string());
|
|
result.append(buffer);
|
|
}
|
|
write(fd, result.string(), result.size());
|
|
return NO_ERROR;
|
|
}
|
|
|
|
void CameraParameters::getSupportedPreviewFormats(Vector<int>& formats) const {
|
|
const char* supportedPreviewFormats =
|
|
get(CameraParameters::KEY_SUPPORTED_PREVIEW_FORMATS);
|
|
|
|
if (supportedPreviewFormats == NULL) {
|
|
ALOGW("%s: No supported preview formats.", __FUNCTION__);
|
|
return;
|
|
}
|
|
|
|
String8 fmtStr(supportedPreviewFormats);
|
|
char* prevFmts = fmtStr.lockBuffer(fmtStr.size());
|
|
|
|
char* savePtr;
|
|
char* fmt = strtok_r(prevFmts, ",", &savePtr);
|
|
while (fmt) {
|
|
int actual = previewFormatToEnum(fmt);
|
|
if (actual != -1) {
|
|
formats.add(actual);
|
|
}
|
|
fmt = strtok_r(NULL, ",", &savePtr);
|
|
}
|
|
fmtStr.unlockBuffer(fmtStr.size());
|
|
}
|
|
|
|
|
|
int CameraParameters::previewFormatToEnum(const char* format) {
|
|
return
|
|
!format ?
|
|
HAL_PIXEL_FORMAT_YCrCb_420_SP :
|
|
!strcmp(format, PIXEL_FORMAT_YUV422SP) ?
|
|
HAL_PIXEL_FORMAT_YCbCr_422_SP : // NV16
|
|
!strcmp(format, PIXEL_FORMAT_YUV420SP) ?
|
|
HAL_PIXEL_FORMAT_YCrCb_420_SP : // NV21
|
|
!strcmp(format, PIXEL_FORMAT_YUV422I) ?
|
|
HAL_PIXEL_FORMAT_YCbCr_422_I : // YUY2
|
|
!strcmp(format, PIXEL_FORMAT_YUV420P) ?
|
|
HAL_PIXEL_FORMAT_YV12 : // YV12
|
|
!strcmp(format, PIXEL_FORMAT_RGB565) ?
|
|
HAL_PIXEL_FORMAT_RGB_565 : // RGB565
|
|
!strcmp(format, PIXEL_FORMAT_RGBA8888) ?
|
|
HAL_PIXEL_FORMAT_RGBA_8888 : // RGB8888
|
|
!strcmp(format, PIXEL_FORMAT_BAYER_RGGB) ?
|
|
HAL_PIXEL_FORMAT_RAW16 : // Raw sensor data
|
|
-1;
|
|
}
|
|
|
|
bool CameraParameters::isEmpty() const {
|
|
return mMap.isEmpty();
|
|
}
|
|
|
|
}; // namespace android
|