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