Add camera parameter key constants and documentation.
diff --git a/include/ui/CameraParameters.h b/include/ui/CameraParameters.h
index 9ca1806..9c3d4f0 100644
--- a/include/ui/CameraParameters.h
+++ b/include/ui/CameraParameters.h
@@ -69,11 +69,203 @@
void dump() const;
status_t dump(int fd, const Vector<String16>& args) const;
+ // Parameter keys to communicate between camera application and driver.
+ // The access (read/write, read only, or write only) is viewed from the
+ // perspective of applications, not driver.
+
+ // Preview frame size in pixels (width x height).
+ // Example value: "480x320". Read/Write.
+ static const char KEY_PREVIEW_SIZE[];
+ // Supported preview frame sizes in pixels.
+ // Example value: "800x600,480x320". Read only.
+ static const char KEY_SUPPORTED_PREVIEW_SIZES[];
+ // The image format for preview frames.
+ // Example value: "yuv420sp" or PIXEL_FORMAT_XXX constants. Read/write.
+ static const char KEY_PREVIEW_FORMAT[];
+ // Supported image formats for preview frames.
+ // Example value: "yuv420sp,yuv422i-yuyv". Read only.
+ static const char KEY_SUPPORTED_PREVIEW_FORMATS[];
+ // Number of preview frames per second.
+ // Example value: "15". Read/write.
+ static const char KEY_PREVIEW_FRAME_RATE[];
+ // Supported number of preview frames per second.
+ // Example value: "24,15,10". Read.
+ static const char KEY_SUPPORTED_PREVIEW_FRAME_RATES[];
+ // The dimensions for captured pictures in pixels (width x height).
+ // Example value: "1024x768". Read/write.
+ static const char KEY_PICTURE_SIZE[];
+ // Supported dimensions for captured pictures in pixels.
+ // Example value: "2048x1536,1024x768". Read only.
+ static const char KEY_SUPPORTED_PICTURE_SIZES[];
+ // The image format for captured pictures.
+ // Example value: "jpeg" or PIXEL_FORMAT_XXX constants. Read/write.
+ static const char KEY_PICTURE_FORMAT[];
+ // Supported image formats for captured pictures.
+ // Example value: "jpeg,rgb565". Read only.
+ static const char KEY_SUPPORTED_PICTURE_FORMATS[];
+ // The width (in pixels) of EXIF thumbnail in Jpeg picture.
+ // Example value: "512". Read/write.
+ static const char KEY_JPEG_THUMBNAIL_WIDTH[];
+ // The height (in pixels) of EXIF thumbnail in Jpeg picture.
+ // Example value: "384". Read/write.
+ static const char KEY_JPEG_THUMBNAIL_HEIGHT[];
+ // Supported EXIF thumbnail sizes (width x height).
+ // Example value: "512x384,320x240". Read only.
+ static const char KEY_SUPPORTED_THUMBNAIL_SIZES[];
+ // The quality of the EXIF thumbnail in Jpeg picture. The range is 1 to 100,
+ // with 100 being the best.
+ // Example value: "90". Read/write.
+ static const char KEY_JPEG_THUMBNAIL_QUALITY[];
+ // Jpeg quality of captured picture. The range is 1 to 100, with 100 being
+ // the best.
+ // Example value: "90". Read/write.
+ static const char KEY_JPEG_QUALITY[];
+ // The orientation of the device in degrees. For example, suppose the
+ // natural position of the device is landscape. If the user takes a picture
+ // in landscape mode in 2048x1536 resolution, the rotation will be set to
+ // "0". If the user rotates the phone 90 degrees clockwise, the rotation
+ // should be set to "90".
+ // The camera driver can set orientation in the EXIF header without rotating
+ // the picture. Or the driver can rotate the picture and the EXIF thumbnail.
+ // If the Jpeg picture is rotated, the orientation in the EXIF header should
+ // be missing or 1 (row #0 is top and column #0 is left side). The driver
+ // should not set default value for this parameter.
+ // Example value: "0" or "90" or "180" or "270". Write only.
+ static const char KEY_ROTATION[];
+ // GPS latitude coordinate. This will be stored in JPEG EXIF header.
+ // Example value: "25.032146". Write only.
+ static const char KEY_GPS_LATITUDE[];
+ // GPS longitude coordinate. This will be stored in JPEG EXIF header.
+ // Example value: "121.564448". Write only.
+ static const char KEY_GPS_LONGITUDE[];
+ // GPS altitude. This will be stored in JPEG EXIF header.
+ // Example value: "21.0". Write only.
+ static const char KEY_GPS_ALTITUDE[];
+ // GPS timestamp (UTC in seconds since January 1, 1970). This should be
+ // stored in JPEG EXIF header.
+ // Example value: "1251192757". Write only.
+ static const char KEY_GPS_TIMESTAMP[];
+ // Current white balance setting.
+ // Example value: "auto" or WHITE_BALANCE_XXX constants. Read/write.
+ static const char KEY_WHITE_BALANCE[];
+ // Supported white balance settings.
+ // Example value: "auto,incandescent,daylight". Read only.
+ static const char KEY_SUPPORTED_WHITE_BALANCE[];
+ // Current color effect setting.
+ // Example value: "none" or EFFECT_XXX constants. Read/write.
+ static const char KEY_EFFECT[];
+ // Supported color effect settings.
+ // Example value: "none,mono,sepia". Read only.
+ static const char KEY_SUPPORTED_EFFECTS[];
+ // Current antibanding setting.
+ // Example value: "auto" or ANTIBANDING_XXX constants. Read/write.
+ static const char KEY_ANTIBANDING[];
+ // Supported antibanding settings.
+ // Example value: "auto,50hz,60hz,off". Read only.
+ static const char KEY_SUPPORTED_ANTIBANDING[];
+ // Current scene mode.
+ // Example value: "auto" or SCENE_MODE_XXX constants. Read/write.
+ static const char KEY_SCENE_MODE[];
+ // Supported scene mode settings.
+ // Example value: "auto,night,fireworks". Read only.
+ static const char KEY_SUPPORTED_SCENE_MODES[];
+ // Current flash mode.
+ // Example value: "auto" or FLASH_MODE_XXX constants. Read/write.
+ static const char KEY_FLASH_MODE[];
+ // Supported flash modes.
+ // Example value: "auto,on,off". Read only.
+ static const char KEY_SUPPORTED_FLASH_MODES[];
+ // Current focus mode. If the camera does not support auto-focus, the value
+ // should be FOCUS_MODE_FIXED. If the focus mode is not FOCUS_MODE_FIXED or
+ // or FOCUS_MODE_INFINITY, applications should call
+ // CameraHardwareInterface.autoFocus to start the focus.
+ // Example value: "auto" or FOCUS_MODE_XXX constants. Read/write.
+ static const char KEY_FOCUS_MODE[];
+ // Supported focus modes.
+ // Example value: "auto,macro,fixed". Read only.
+ static const char KEY_SUPPORTED_FOCUS_MODES[];
+
+ // Values for white balance settings.
+ static const char WHITE_BALANCE_AUTO[];
+ static const char WHITE_BALANCE_INCANDESCENT[];
+ static const char WHITE_BALANCE_FLUORESCENT[];
+ static const char WHITE_BALANCE_WARM_FLUORESCENT[];
+ static const char WHITE_BALANCE_DAYLIGHT[];
+ static const char WHITE_BALANCE_CLOUDY_DAYLIGHT[];
+ static const char WHITE_BALANCE_TWILIGHT[];
+ static const char WHITE_BALANCE_SHADE[];
+
+ // Values for effect settings.
+ static const char EFFECT_NONE[];
+ static const char EFFECT_MONO[];
+ static const char EFFECT_NEGATIVE[];
+ static const char EFFECT_SOLARIZE[];
+ static const char EFFECT_SEPIA[];
+ static const char EFFECT_POSTERIZE[];
+ static const char EFFECT_WHITEBOARD[];
+ static const char EFFECT_BLACKBOARD[];
+ static const char EFFECT_AQUA[];
+
+ // Values for antibanding settings.
+ static const char ANTIBANDING_AUTO[];
+ static const char ANTIBANDING_50HZ[];
+ static const char ANTIBANDING_60HZ[];
+ static const char ANTIBANDING_OFF[];
+
+ // Values for flash mode settings.
+ // Flash will not be fired.
+ static const char FLASH_MODE_OFF[];
+ // Flash will be fired automatically when required. The timing is decided by
+ // camera driver.
+ static const char FLASH_MODE_AUTO[];
+ // Flash will always be fired. The timing is decided by camera driver.
+ static const char FLASH_MODE_ON[];
+ // Flash will be fired in red-eye reduction mode.
+ static const char FLASH_MODE_RED_EYE[];
+ // Constant emission of light. This can be used for video recording.
+ static const char FLASH_MODE_VIDEO_LIGHT[];
+
+ // Values for scene mode settings.
+ static const char SCENE_MODE_AUTO[];
+ static const char SCENE_MODE_ACTION[];
+ static const char SCENE_MODE_PORTRAIT[];
+ static const char SCENE_MODE_LANDSCAPE[];
+ static const char SCENE_MODE_NIGHT[];
+ static const char SCENE_MODE_NIGHT_PORTRAIT[];
+ static const char SCENE_MODE_THEATRE[];
+ static const char SCENE_MODE_BEACH[];
+ static const char SCENE_MODE_SNOW[];
+ static const char SCENE_MODE_SUNSET[];
+ static const char SCENE_MODE_STEADYPHOTO[];
+ static const char SCENE_MODE_FIREWORKS[];
+ static const char SCENE_MODE_SPORTS[];
+ static const char SCENE_MODE_PARTY[];
+ static const char SCENE_MODE_CANDLELIGHT[];
+
+ // Formats for setPreviewFormat and setPictureFormat.
+ static const char PIXEL_FORMAT_YUV422SP[];
+ static const char PIXEL_FORMAT_YUV420SP[]; // NV21
+ static const char PIXEL_FORMAT_YUV422I[]; // YUY2
+ static const char PIXEL_FORMAT_RGB565[];
+ static const char PIXEL_FORMAT_JPEG[];
+
+ // Values for focus mode settings.
+ // Auto-focus mode.
+ static const char FOCUS_MODE_AUTO[];
+ // Focus is set at infinity. Applications should not call
+ // CameraHardwareInterface.autoFocus in this mode.
+ static const char FOCUS_MODE_INFINITY[];
+ static const char FOCUS_MODE_MACRO[];
+ // Focus is fixed. The camera is always in this mode if the focus is not
+ // adjustable. If the camera has auto-focus, this mode can fix the
+ // focus, which is usually at hyperfocal distance. Applications should
+ // not call CameraHardwareInterface.autoFocus in this mode.
+ static const char FOCUS_MODE_FIXED[];
+
private:
DefaultKeyedVector<String8,String8> mMap;
};
-
}; // namespace android
#endif
diff --git a/libs/ui/CameraParameters.cpp b/libs/ui/CameraParameters.cpp
index 6c25836..9200a97 100644
--- a/libs/ui/CameraParameters.cpp
+++ b/libs/ui/CameraParameters.cpp
@@ -2,16 +2,16 @@
**
** 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
+** 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
+** 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
+** 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.
*/
@@ -23,6 +23,103 @@
#include <ui/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_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_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_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";
+
+// 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_VIDEO_LIGHT[] = "video-light";
+
+// 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";
+
+// Formats for setPreviewFormat and setPictureFormat.
+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_RGB565[] = "rgb565";
+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";
static const char* portrait = "portrait";
static const char* landscape = "landscape";
@@ -91,7 +188,7 @@
void CameraParameters::set(const char *key, const char *value)
{
- // XXX i think i can do this with strspn()
+ // XXX i think i can do this with strspn()
if (strchr(key, '=') || strchr(key, ';')) {
//XXX LOGE("Key \"%s\"contains invalid character (= or ;)", key);
return;
@@ -150,7 +247,7 @@
{
char str[32];
sprintf(str, "%dx%d", width, height);
- set("preview-size", str);
+ set(KEY_PREVIEW_SIZE, str);
}
void CameraParameters::getPreviewSize(int *width, int *height) const
@@ -159,7 +256,7 @@
*height = -1;
// Get the current string, if it doesn't exist, leave the -1x-1
- const char *p = get("preview-size");
+ const char *p = get(KEY_PREVIEW_SIZE);
if (p == 0)
return;
@@ -172,17 +269,17 @@
void CameraParameters::setPreviewFrameRate(int fps)
{
- set("preview-frame-rate", fps);
+ set(KEY_PREVIEW_FRAME_RATE, fps);
}
int CameraParameters::getPreviewFrameRate() const
{
- return getInt("preview-frame-rate");
+ return getInt(KEY_PREVIEW_FRAME_RATE);
}
void CameraParameters::setPreviewFormat(const char *format)
{
- set("preview-format", format);
+ set(KEY_PREVIEW_FORMAT, format);
}
int CameraParameters::getOrientation() const
@@ -196,22 +293,22 @@
void CameraParameters::setOrientation(int orientation)
{
if (orientation == CAMERA_ORIENTATION_PORTRAIT) {
- set("preview-format", portrait);
+ set("orientation", portrait);
} else {
- set("preview-format", landscape);
+ set("orientation", landscape);
}
}
const char *CameraParameters::getPreviewFormat() const
{
- return get("preview-format");
+ return get(KEY_PREVIEW_FORMAT);
}
void CameraParameters::setPictureSize(int width, int height)
{
char str[32];
sprintf(str, "%dx%d", width, height);
- set("picture-size", str);
+ set(KEY_PICTURE_SIZE, str);
}
void CameraParameters::getPictureSize(int *width, int *height) const
@@ -220,7 +317,7 @@
*height = -1;
// Get the current string, if it doesn't exist, leave the -1x-1
- const char *p = get("picture-size");
+ const char *p = get(KEY_PICTURE_SIZE);
if (p == 0)
return;
@@ -233,12 +330,12 @@
void CameraParameters::setPictureFormat(const char *format)
{
- set("picture-format", format);
+ set(KEY_PICTURE_FORMAT, format);
}
const char *CameraParameters::getPictureFormat() const
{
- return get("picture-format");
+ return get(KEY_PICTURE_FORMAT);
}
void CameraParameters::dump() const