1/*
2**
3** Copyright 2008, The Android Open Source Project
4**
5** Licensed under the Apache License, Version 2.0 (the "License");
6** you may not use this file except in compliance with the License.
7** You may obtain a copy of the License at
8**
9**     http://www.apache.org/licenses/LICENSE-2.0
10**
11** Unless required by applicable law or agreed to in writing, software
12** distributed under the License is distributed on an "AS IS" BASIS,
13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14** See the License for the specific language governing permissions and
15** limitations under the License.
16*/
17
18#define LOG_TAG "QCameraParams"
19#include <utils/Log.h>
20#include <string.h>
21#include <stdlib.h>
22#include "QCameraParameters.h"
23
24namespace android {
25// Parameter keys to communicate between camera application and driver.
26const char QCameraParameters::KEY_SUPPORTED_HFR_SIZES[] = "hfr-size-values";
27const char QCameraParameters::KEY_PREVIEW_FRAME_RATE_MODE[] = "preview-frame-rate-mode";
28const char QCameraParameters::KEY_SUPPORTED_PREVIEW_FRAME_RATE_MODES[] = "preview-frame-rate-modes";
29const char QCameraParameters::KEY_PREVIEW_FRAME_RATE_AUTO_MODE[] = "frame-rate-auto";
30const char QCameraParameters::KEY_PREVIEW_FRAME_RATE_FIXED_MODE[] = "frame-rate-fixed";
31const char QCameraParameters::KEY_TOUCH_AF_AEC[] = "touch-af-aec";
32const char QCameraParameters::KEY_SUPPORTED_TOUCH_AF_AEC[] = "touch-af-aec-values";
33const char QCameraParameters::KEY_TOUCH_INDEX_AEC[] = "touch-index-aec";
34const char QCameraParameters::KEY_TOUCH_INDEX_AF[] = "touch-index-af";
35const char QCameraParameters::KEY_SCENE_DETECT[] = "scene-detect";
36const char QCameraParameters::KEY_SUPPORTED_SCENE_DETECT[] = "scene-detect-values";
37const char QCameraParameters::KEY_ISO_MODE[] = "iso";
38const char QCameraParameters::KEY_SUPPORTED_ISO_MODES[] = "iso-values";
39const char QCameraParameters::KEY_LENSSHADE[] = "lensshade";
40const char QCameraParameters::KEY_SUPPORTED_LENSSHADE_MODES[] = "lensshade-values";
41const char QCameraParameters::KEY_AUTO_EXPOSURE[] = "auto-exposure";
42const char QCameraParameters::KEY_SUPPORTED_AUTO_EXPOSURE[] = "auto-exposure-values";
43const char QCameraParameters::KEY_DENOISE[] = "denoise";
44const char QCameraParameters::KEY_SUPPORTED_DENOISE[] = "denoise-values";
45const char QCameraParameters::KEY_SELECTABLE_ZONE_AF[] = "selectable-zone-af";
46const char QCameraParameters::KEY_SUPPORTED_SELECTABLE_ZONE_AF[] = "selectable-zone-af-values";
47const char QCameraParameters::KEY_FACE_DETECTION[] = "face-detection";
48const char QCameraParameters::KEY_SUPPORTED_FACE_DETECTION[] = "face-detection-values";
49const char QCameraParameters::KEY_MEMORY_COLOR_ENHANCEMENT[] = "mce";
50const char QCameraParameters::KEY_SUPPORTED_MEM_COLOR_ENHANCE_MODES[] = "mce-values";
51const char QCameraParameters::KEY_VIDEO_HIGH_FRAME_RATE[] = "video-hfr";
52const char QCameraParameters::KEY_SUPPORTED_VIDEO_HIGH_FRAME_RATE_MODES[] = "video-hfr-values";
53const char QCameraParameters::KEY_REDEYE_REDUCTION[] = "redeye-reduction";
54const char QCameraParameters::KEY_SUPPORTED_REDEYE_REDUCTION[] = "redeye-reduction-values";
55const char QCameraParameters::KEY_HIGH_DYNAMIC_RANGE_IMAGING[] = "hdr";
56const char QCameraParameters::KEY_SUPPORTED_HDR_IMAGING_MODES[] = "hdr-values";
57const char QCameraParameters::KEY_POWER_MODE_SUPPORTED[] = "power-mode-supported";
58const char QCameraParameters::KEY_ZSL[] = "zsl";
59const char QCameraParameters::KEY_SUPPORTED_ZSL_MODES[] = "zsl-values";
60const char QCameraParameters::KEY_CAMERA_MODE[] = "camera-mode";
61const char QCameraParameters::KEY_AE_BRACKET_HDR[] = "ae-bracket-hdr";
62const char QCameraParameters::KEY_POWER_MODE[] = "power-mode";
63/*only effective when KEY_AE_BRACKET_HDR set to ae_bracketing*/
64//const char QCameraParameters::KEY_AE_BRACKET_SETTING_KEY[] = "ae-bracket-setting";
65
66// Values for effect settings.
67const char QCameraParameters::EFFECT_EMBOSS[] = "emboss";
68const char QCameraParameters::EFFECT_SKETCH[] = "sketch";
69const char QCameraParameters::EFFECT_NEON[] = "neon";
70
71// Values for auto exposure settings.
72const char QCameraParameters::TOUCH_AF_AEC_OFF[] = "touch-off";
73const char QCameraParameters::TOUCH_AF_AEC_ON[] = "touch-on";
74
75// Values for scene mode settings.
76const char QCameraParameters::SCENE_MODE_ASD[] = "asd";   // corresponds to CAMERA_BESTSHOT_AUTO in HAL
77const char QCameraParameters::SCENE_MODE_BACKLIGHT[] = "backlight";
78const char QCameraParameters::SCENE_MODE_FLOWERS[] = "flowers";
79const char QCameraParameters::SCENE_MODE_AR[] = "AR";
80const char QCameraParameters::SCENE_MODE_HDR[] = "hdr";
81
82// Values for auto scene detection settings.
83const char QCameraParameters::SCENE_DETECT_OFF[] = "off";
84const char QCameraParameters::SCENE_DETECT_ON[] = "on";
85
86// Formats for setPreviewFormat and setPictureFormat.
87const char QCameraParameters::PIXEL_FORMAT_YUV420SP_ADRENO[] = "yuv420sp-adreno";
88const char QCameraParameters::PIXEL_FORMAT_RAW[] = "raw";
89const char QCameraParameters::PIXEL_FORMAT_YV12[] = "yuv420p";
90const char QCameraParameters::PIXEL_FORMAT_NV12[] = "nv12";
91
92// Values for focus mode settings.
93const char QCameraParameters::FOCUS_MODE_NORMAL[] = "normal";
94const char QCameraParameters::KEY_SKIN_TONE_ENHANCEMENT[] = "skinToneEnhancement";
95const char QCameraParameters::KEY_SUPPORTED_SKIN_TONE_ENHANCEMENT_MODES[] = "skinToneEnhancement-values";
96
97// Values for ISO Settings
98const char QCameraParameters::ISO_AUTO[] = "auto";
99const char QCameraParameters::ISO_HJR[] = "ISO_HJR";
100const char QCameraParameters::ISO_100[] = "ISO100";
101const char QCameraParameters::ISO_200[] = "ISO200";
102const char QCameraParameters::ISO_400[] = "ISO400";
103const char QCameraParameters::ISO_800[] = "ISO800";
104const char QCameraParameters::ISO_1600[] = "ISO1600";
105
106 //Values for Lens Shading
107const char QCameraParameters::LENSSHADE_ENABLE[] = "enable";
108const char QCameraParameters::LENSSHADE_DISABLE[] = "disable";
109
110// Values for auto exposure settings.
111const char QCameraParameters::AUTO_EXPOSURE_FRAME_AVG[] = "frame-average";
112const char QCameraParameters::AUTO_EXPOSURE_CENTER_WEIGHTED[] = "center-weighted";
113const char QCameraParameters::AUTO_EXPOSURE_SPOT_METERING[] = "spot-metering";
114
115const char QCameraParameters::KEY_GPS_LATITUDE_REF[] = "gps-latitude-ref";
116const char QCameraParameters::KEY_GPS_LONGITUDE_REF[] = "gps-longitude-ref";
117const char QCameraParameters::KEY_GPS_ALTITUDE_REF[] = "gps-altitude-ref";
118const char QCameraParameters::KEY_GPS_STATUS[] = "gps-status";
119const char QCameraParameters::KEY_EXIF_DATETIME[] = "exif-datetime";
120
121const char QCameraParameters::KEY_HISTOGRAM[] = "histogram";
122const char QCameraParameters::KEY_SUPPORTED_HISTOGRAM_MODES[] = "histogram-values";
123
124//Values for Histogram Shading
125const char QCameraParameters::HISTOGRAM_ENABLE[] = "enable";
126const char QCameraParameters::HISTOGRAM_DISABLE[] = "disable";
127
128//Values for Skin Tone Enhancement Modes
129const char QCameraParameters::SKIN_TONE_ENHANCEMENT_ENABLE[] = "enable";
130const char QCameraParameters::SKIN_TONE_ENHANCEMENT_DISABLE[] = "disable";
131
132const char QCameraParameters::KEY_SHARPNESS[] = "sharpness";
133const char QCameraParameters::KEY_MAX_SHARPNESS[] = "max-sharpness";
134const char QCameraParameters::KEY_CONTRAST[] = "contrast";
135const char QCameraParameters::KEY_MAX_CONTRAST[] = "max-contrast";
136const char QCameraParameters::KEY_SATURATION[] = "saturation";
137const char QCameraParameters::KEY_MAX_SATURATION[] = "max-saturation";
138
139const char QCameraParameters::KEY_SINGLE_ISP_OUTPUT_ENABLED[] = "single-isp-output-enabled";
140const char QCameraParameters::KEY_SUPPORTED_CAMERA_FEATURES[] = "qc-camera-features";
141const char QCameraParameters::KEY_MAX_NUM_REQUESTED_FACES[] = "qc-max-num-requested-faces";
142
143//Values for DENOISE
144const char QCameraParameters::DENOISE_OFF[] = "denoise-off";
145const char QCameraParameters::DENOISE_ON[] = "denoise-on";
146
147// Values for selectable zone af Settings
148const char QCameraParameters::SELECTABLE_ZONE_AF_AUTO[] = "auto";
149const char QCameraParameters::SELECTABLE_ZONE_AF_SPOT_METERING[] = "spot-metering";
150const char QCameraParameters::SELECTABLE_ZONE_AF_CENTER_WEIGHTED[] = "center-weighted";
151const char QCameraParameters::SELECTABLE_ZONE_AF_FRAME_AVERAGE[] = "frame-average";
152
153// Values for Face Detection settings.
154const char QCameraParameters::FACE_DETECTION_OFF[] = "off";
155const char QCameraParameters::FACE_DETECTION_ON[] = "on";
156
157// Values for MCE settings.
158const char QCameraParameters::MCE_ENABLE[] = "enable";
159const char QCameraParameters::MCE_DISABLE[] = "disable";
160
161// Values for HFR settings.
162const char QCameraParameters::VIDEO_HFR_OFF[] = "off";
163const char QCameraParameters::VIDEO_HFR_2X[] = "60";
164const char QCameraParameters::VIDEO_HFR_3X[] = "90";
165const char QCameraParameters::VIDEO_HFR_4X[] = "120";
166
167// Values for Redeye Reduction settings.
168const char QCameraParameters::REDEYE_REDUCTION_ENABLE[] = "enable";
169const char QCameraParameters::REDEYE_REDUCTION_DISABLE[] = "disable";
170
171// Values for HDR settings.
172const char QCameraParameters::HDR_ENABLE[] = "enable";
173const char QCameraParameters::HDR_DISABLE[] = "disable";
174
175// Values for ZSL settings.
176const char QCameraParameters::ZSL_OFF[] = "off";
177const char QCameraParameters::ZSL_ON[] = "on";
178
179// Values for HDR Bracketing settings.
180const char QCameraParameters::AE_BRACKET_HDR_OFF[] = "Off";
181const char QCameraParameters::AE_BRACKET_HDR[] = "HDR";
182const char QCameraParameters::AE_BRACKET[] = "AE-Bracket";
183
184const char QCameraParameters::LOW_POWER[] = "Low_Power";
185const char QCameraParameters::NORMAL_POWER[] = "Normal_Power";
186
187static const char* portrait = "portrait";
188static const char* landscape = "landscape";
189
190//QCameraParameters::QCameraParameters()
191//                : mMap()
192//{
193//}
194
195QCameraParameters::~QCameraParameters()
196{
197}
198
199int QCameraParameters::getOrientation() const
200{
201    const char* orientation = get("orientation");
202    if (orientation && !strcmp(orientation, portrait))
203        return CAMERA_ORIENTATION_PORTRAIT;
204    return CAMERA_ORIENTATION_LANDSCAPE;
205}
206void QCameraParameters::setOrientation(int orientation)
207{
208    if (orientation == CAMERA_ORIENTATION_PORTRAIT) {
209        set("orientation", portrait);
210    } else {
211         set("orientation", landscape);
212    }
213}
214
215        //XXX ALOGE("Key \"%s\"contains invalid character (= or ;)", key);
216        //XXX ALOGE("Value \"%s\"contains invalid character (= or ;)", value);
217    //snprintf(str, sizeof(str), "%d", value);
218        //ALOGE("Cannot find delimeter (%c) in str=%s", delim, str);
219
220
221// Parse string like "(1, 2, 3, 4, ..., N)"
222// num is pointer to an allocated array of size N
223static int parseNDimVector(const char *str, int *num, int N, char delim = ',')
224{
225    char *start, *end;
226    if(num == NULL) {
227        ALOGE("Invalid output array (num == NULL)");
228        return -1;
229    }
230    //check if string starts and ends with parantheses
231    if(str[0] != '(' || str[strlen(str)-1] != ')') {
232        ALOGE("Invalid format of string %s, valid format is (n1, n2, n3, n4 ...)", str);
233        return -1;
234    }
235    start = (char*) str;
236    start++;
237    for(int i=0; i<N; i++) {
238        *(num+i) = (int) strtol(start, &end, 10);
239        if(*end != delim && i < N-1) {
240            ALOGE("Cannot find delimeter '%c' in string \"%s\". end = %c", delim, str, *end);
241            return -1;
242        }
243        start = end+1;
244    }
245    return 0;
246}
247
248
249            //ALOGE("Picture sizes string \"%s\" contains invalid character.", sizesStr);
250    //snprintf(str, sizeof(str), "%dx%d", width, height);
251
252
253
254// Parse string like "640x480" or "10000,20000"
255static int parse_pair(const char *str, int *first, int *second, char delim,
256                      char **endptr = NULL)
257{
258    // Find the first integer.
259    char *end;
260    int w = (int)strtol(str, &end, 10);
261    // If a delimeter does not immediately follow, give up.
262    if (*end != delim) {
263        ALOGE("Cannot find delimeter (%c) in str=%s", delim, str);
264        return -1;
265    }
266
267    // Find the second integer, immediately after the delimeter.
268    int h = (int)strtol(end+1, &end, 10);
269
270    *first = w;
271    *second = h;
272
273    if (endptr) {
274        *endptr = end;
275    }
276
277    return 0;
278}
279
280static void parseSizesList(const char *sizesStr, Vector<Size> &sizes)
281{
282    if (sizesStr == 0) {
283        return;
284    }
285
286    char *sizeStartPtr = (char *)sizesStr;
287
288    while (true) {
289        int width, height;
290        int success = parse_pair(sizeStartPtr, &width, &height, 'x',
291                                 &sizeStartPtr);
292        if (success == -1 || (*sizeStartPtr != ',' && *sizeStartPtr != '\0')) {
293            ALOGE("Picture sizes string \"%s\" contains invalid character.", sizesStr);
294            return;
295        }
296        sizes.push(Size(width, height));
297
298        if (*sizeStartPtr == '\0') {
299            return;
300        }
301        sizeStartPtr++;
302    }
303}
304
305
306void QCameraParameters::getSupportedHfrSizes(Vector<Size> &sizes) const
307{
308    const char *hfrSizesStr = get(KEY_SUPPORTED_HFR_SIZES);
309    parseSizesList(hfrSizesStr, sizes);
310}
311
312void QCameraParameters::setPreviewFpsRange(int minFPS, int maxFPS)
313{
314    char str[32];
315    snprintf(str, sizeof(str), "%d,%d",minFPS,maxFPS);
316    set(KEY_PREVIEW_FPS_RANGE,str);
317}
318
319void QCameraParameters::setPreviewFrameRateMode(const char *mode)
320{
321    set(KEY_PREVIEW_FRAME_RATE_MODE, mode);
322}
323
324const char *QCameraParameters::getPreviewFrameRateMode() const
325{
326    return get(KEY_PREVIEW_FRAME_RATE_MODE);
327}
328
329
330    //ALOGD("dump: mMap.size = %d", mMap.size());
331        //ALOGD("%s: %s\n", k.string(), v.string());
332
333
334
335void QCameraParameters::setTouchIndexAec(int x, int y)
336{
337    char str[32];
338    snprintf(str, sizeof(str), "%dx%d", x, y);
339    set(KEY_TOUCH_INDEX_AEC, str);
340}
341
342void QCameraParameters::getTouchIndexAec(int *x, int *y) const
343{
344    *x = -1;
345    *y = -1;
346
347    // Get the current string, if it doesn't exist, leave the -1x-1
348    const char *p = get(KEY_TOUCH_INDEX_AEC);
349    if (p == 0)
350        return;
351
352    int tempX, tempY;
353    if (parse_pair(p, &tempX, &tempY, 'x') == 0) {
354        *x = tempX;
355        *y = tempY;
356    }
357}
358
359void QCameraParameters::setTouchIndexAf(int x, int y)
360{
361    char str[32];
362    snprintf(str, sizeof(str), "%dx%d", x, y);
363    set(KEY_TOUCH_INDEX_AF, str);
364}
365
366void QCameraParameters::getTouchIndexAf(int *x, int *y) const
367{
368    *x = -1;
369    *y = -1;
370
371    // Get the current string, if it doesn't exist, leave the -1x-1
372    const char *p = get(KEY_TOUCH_INDEX_AF);
373    if (p == 0)
374        return;
375
376    int tempX, tempY;
377    if (parse_pair(p, &tempX, &tempY, 'x') == 0) {
378        *x = tempX;
379        *y = tempY;
380	}
381}
382
383void QCameraParameters::getMeteringAreaCenter(int *x, int *y) const
384{
385    //Default invalid values
386    *x = -2000;
387    *y = -2000;
388
389    const char *p = get(KEY_METERING_AREAS);
390    if(p != NULL) {
391        int arr[5] = {-2000, -2000, -2000, -2000, 0};
392        parseNDimVector(p, arr, 5); //p = "(x1, y1, x2, y2, weight)"
393        *x = (arr[0] + arr[2])/2; //center_x = (x1+x2)/2
394        *y = (arr[1] + arr[3])/2; //center_y = (y1+y2)/2
395    }
396}
397
398
399}; // namespace android
400
401