camera/CameraParameters2.cpp - LeafOS-Project/android_frameworks_av - Gitiles

 /*
 **
 ** 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 "CameraParams2"
 // #define LOG_NDEBUG 0
 #include <utils/Log.h>

 #include <string.h>
 #include <stdlib.h>
 #include <unistd.h>
 #include <camera/CameraParameters2.h>

 namespace android {

 CameraParameters2::CameraParameters2()
                 : mMap()
 {
 }

 CameraParameters2::~CameraParameters2()
 {
 }

 String8 CameraParameters2::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 += ";";
     }

     ALOGV("%s: Flattened params = %s", __FUNCTION__, flattened.c_str());

     return flattened;
 }

 void CameraParameters2::unflatten(const String8 &params)
 {
     const char *a = params.c_str();
     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 CameraParameters2::set(const char *key, const char *value)
 {
     // XXX i think i can do this with strspn()
     if (strchr(key, '=') || strchr(key, ';')) {
         //XXX ALOGE("Key \"%s\"contains invalid character (= or ;)", key);
         return;
     }

     if (strchr(value, '=') || strchr(value, ';')) {
         //XXX ALOGE("Value \"%s\"contains invalid character (= or ;)", value);
         return;
     }

     // Replacing a value updates the key's order to be the new largest order
     ssize_t res = mMap.replaceValueFor(String8(key), String8(value));
     LOG_ALWAYS_FATAL_IF(res < 0, "replaceValueFor(%s,%s) failed", key, value);
 }

 void CameraParameters2::set(const char *key, int value)
 {
     char str[16];
     sprintf(str, "%d", value);
     set(key, str);
 }

 void CameraParameters2::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 *CameraParameters2::get(const char *key) const
 {
     ssize_t idx = mMap.indexOfKey(String8(key));
     if (idx < 0) {
         return NULL;
     } else {
         return mMap.valueAt(idx).c_str();
     }
 }

 int CameraParameters2::getInt(const char *key) const
 {
     const char *v = get(key);
     if (v == 0)
         return -1;
     return strtol(v, 0, 0);
 }

 float CameraParameters2::getFloat(const char *key) const
 {
     const char *v = get(key);
     if (v == 0) return -1;
     return strtof(v, 0);
 }

 status_t CameraParameters2::compareSetOrder(const char *key1, const char *key2,
         int *order) const {
     if (key1 == NULL) {
         ALOGE("%s: key1 must not be NULL", __FUNCTION__);
         return BAD_VALUE;
     } else if (key2 == NULL) {
         ALOGE("%s: key2 must not be NULL", __FUNCTION__);
         return BAD_VALUE;
     } else if (order == NULL) {
         ALOGE("%s: order must not be NULL", __FUNCTION__);
         return BAD_VALUE;
     }

     ssize_t index1 = mMap.indexOfKey(String8(key1));
     ssize_t index2 = mMap.indexOfKey(String8(key2));
     if (index1 < 0) {
         ALOGW("%s: Key1 (%s) was not set", __FUNCTION__, key1);
         return NAME_NOT_FOUND;
     } else if (index2 < 0) {
         ALOGW("%s: Key2 (%s) was not set", __FUNCTION__, key2);
         return NAME_NOT_FOUND;
     }

     *order = (index1 == index2) ? 0  :
              (index1 < index2)  ? -1 :
              1;

     return OK;
 }

 void CameraParameters2::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) {
         ALOGE("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')) {
             ALOGE("Picture sizes string \"%s\" contains invalid character.", sizesStr);
             return;
         }
         sizes.push(Size(width, height));

         if (*sizeStartPtr == '\0') {
             return;
         }
         sizeStartPtr++;
     }
 }

 void CameraParameters2::setPreviewSize(int width, int height)
 {
     char str[32];
     sprintf(str, "%dx%d", width, height);
     set(CameraParameters::KEY_PREVIEW_SIZE, str);
 }

 void CameraParameters2::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(CameraParameters::KEY_PREVIEW_SIZE);
     if (p == 0)  return;
     parse_pair(p, width, height, 'x');
 }

 void CameraParameters2::getPreferredPreviewSizeForVideo(int *width, int *height) const
 {
     *width = *height = -1;
     const char *p = get(CameraParameters::KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO);
     if (p == 0)  return;
     parse_pair(p, width, height, 'x');
 }

 void CameraParameters2::getSupportedPreviewSizes(Vector<Size> &sizes) const
 {
     const char *previewSizesStr = get(CameraParameters::KEY_SUPPORTED_PREVIEW_SIZES);
     parseSizesList(previewSizesStr, sizes);
 }

 void CameraParameters2::setVideoSize(int width, int height)
 {
     char str[32];
     sprintf(str, "%dx%d", width, height);
     set(CameraParameters::KEY_VIDEO_SIZE, str);
 }

 void CameraParameters2::getVideoSize(int *width, int *height) const
 {
     *width = *height = -1;
     const char *p = get(CameraParameters::KEY_VIDEO_SIZE);
     if (p == 0) return;
     parse_pair(p, width, height, 'x');
 }

 void CameraParameters2::getSupportedVideoSizes(Vector<Size> &sizes) const
 {
     const char *videoSizesStr = get(CameraParameters::KEY_SUPPORTED_VIDEO_SIZES);
     parseSizesList(videoSizesStr, sizes);
 }

 void CameraParameters2::setPreviewFrameRate(int fps)
 {
     set(CameraParameters::KEY_PREVIEW_FRAME_RATE, fps);
 }

 int CameraParameters2::getPreviewFrameRate() const
 {
     return getInt(CameraParameters::KEY_PREVIEW_FRAME_RATE);
 }

 void CameraParameters2::getPreviewFpsRange(int *min_fps, int *max_fps) const
 {
     *min_fps = *max_fps = -1;
     const char *p = get(CameraParameters::KEY_PREVIEW_FPS_RANGE);
     if (p == 0) return;
     parse_pair(p, min_fps, max_fps, ',');
 }

 void CameraParameters2::setPreviewFpsRange(int min_fps, int max_fps)
 {
     String8 str = String8::format("%d,%d", min_fps, max_fps);
     set(CameraParameters::KEY_PREVIEW_FPS_RANGE, str.c_str());
 }

 void CameraParameters2::setPreviewFormat(const char *format)
 {
     set(CameraParameters::KEY_PREVIEW_FORMAT, format);
 }

 const char *CameraParameters2::getPreviewFormat() const
 {
     return get(CameraParameters::KEY_PREVIEW_FORMAT);
 }

 void CameraParameters2::setPictureSize(int width, int height)
 {
     char str[32];
     sprintf(str, "%dx%d", width, height);
     set(CameraParameters::KEY_PICTURE_SIZE, str);
 }

 void CameraParameters2::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(CameraParameters::KEY_PICTURE_SIZE);
     if (p == 0) return;
     parse_pair(p, width, height, 'x');
 }

 void CameraParameters2::getSupportedPictureSizes(Vector<Size> &sizes) const
 {
     const char *pictureSizesStr = get(CameraParameters::KEY_SUPPORTED_PICTURE_SIZES);
     parseSizesList(pictureSizesStr, sizes);
 }

 void CameraParameters2::setPictureFormat(const char *format)
 {
     set(CameraParameters::KEY_PICTURE_FORMAT, format);
 }

 const char *CameraParameters2::getPictureFormat() const
 {
     return get(CameraParameters::KEY_PICTURE_FORMAT);
 }

 void CameraParameters2::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.c_str(), v.c_str());
     }
 }

 status_t CameraParameters2::dump(int fd, const Vector<String16>& args) const
 {
     (void)args;
     const size_t SIZE = 256;
     char buffer[SIZE];
     String8 result;
     snprintf(buffer, 255, "CameraParameters2::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.c_str(), v.c_str());
         result.append(buffer);
     }
     write(fd, result.c_str(), result.size());
     return NO_ERROR;
 }

 }; // namespace android
	/*
	**
	** 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 "CameraParams2"
	// #define LOG_NDEBUG 0
	#include <utils/Log.h>

	#include <string.h>
	#include <stdlib.h>
	#include <unistd.h>
	#include <camera/CameraParameters2.h>

	namespace android {

	CameraParameters2::CameraParameters2()
	: mMap()
	{
	}

	CameraParameters2::~CameraParameters2()
	{
	}

	String8 CameraParameters2::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 += ";";
	}

	ALOGV("%s: Flattened params = %s", __FUNCTION__, flattened.c_str());

	return flattened;
	}

	void CameraParameters2::unflatten(const String8 &params)
	{
	const char *a = params.c_str();
	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 CameraParameters2::set(const char key, const char value)
	{
	// XXX i think i can do this with strspn()
	if (strchr(key, '=') \|\| strchr(key, ';')) {
	//XXX ALOGE("Key \"%s\"contains invalid character (= or ;)", key);
	return;
	}

	if (strchr(value, '=') \|\| strchr(value, ';')) {
	//XXX ALOGE("Value \"%s\"contains invalid character (= or ;)", value);
	return;
	}

	// Replacing a value updates the key's order to be the new largest order
	ssize_t res = mMap.replaceValueFor(String8(key), String8(value));
	LOG_ALWAYS_FATAL_IF(res < 0, "replaceValueFor(%s,%s) failed", key, value);
	}

	void CameraParameters2::set(const char *key, int value)
	{
	char str[16];
	sprintf(str, "%d", value);
	set(key, str);
	}

	void CameraParameters2::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 CameraParameters2::get(const char key) const
	{
	ssize_t idx = mMap.indexOfKey(String8(key));
	if (idx < 0) {
	return NULL;
	} else {
	return mMap.valueAt(idx).c_str();
	}
	}

	int CameraParameters2::getInt(const char *key) const
	{
	const char *v = get(key);
	if (v == 0)
	return -1;
	return strtol(v, 0, 0);
	}

	float CameraParameters2::getFloat(const char *key) const
	{
	const char *v = get(key);
	if (v == 0) return -1;
	return strtof(v, 0);
	}

	status_t CameraParameters2::compareSetOrder(const char key1, const char key2,
	int *order) const {
	if (key1 == NULL) {
	ALOGE("%s: key1 must not be NULL", __FUNCTION__);
	return BAD_VALUE;
	} else if (key2 == NULL) {
	ALOGE("%s: key2 must not be NULL", __FUNCTION__);
	return BAD_VALUE;
	} else if (order == NULL) {
	ALOGE("%s: order must not be NULL", __FUNCTION__);
	return BAD_VALUE;
	}

	ssize_t index1 = mMap.indexOfKey(String8(key1));
	ssize_t index2 = mMap.indexOfKey(String8(key2));
	if (index1 < 0) {
	ALOGW("%s: Key1 (%s) was not set", __FUNCTION__, key1);
	return NAME_NOT_FOUND;
	} else if (index2 < 0) {
	ALOGW("%s: Key2 (%s) was not set", __FUNCTION__, key2);
	return NAME_NOT_FOUND;
	}

	*order = (index1 == index2) ? 0 :
	(index1 < index2) ? -1 :
	1;

	return OK;
	}

	void CameraParameters2::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) {
	ALOGE("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')) {
	ALOGE("Picture sizes string \"%s\" contains invalid character.", sizesStr);
	return;
	}
	sizes.push(Size(width, height));

	if (*sizeStartPtr == '\0') {
	return;
	}
	sizeStartPtr++;
	}
	}

	void CameraParameters2::setPreviewSize(int width, int height)
	{
	char str[32];
	sprintf(str, "%dx%d", width, height);
	set(CameraParameters::KEY_PREVIEW_SIZE, str);
	}

	void CameraParameters2::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(CameraParameters::KEY_PREVIEW_SIZE);
	if (p == 0) return;
	parse_pair(p, width, height, 'x');
	}

	void CameraParameters2::getPreferredPreviewSizeForVideo(int width, int height) const
	{
	width = height = -1;
	const char *p = get(CameraParameters::KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO);
	if (p == 0) return;
	parse_pair(p, width, height, 'x');
	}

	void CameraParameters2::getSupportedPreviewSizes(Vector<Size> &sizes) const
	{
	const char *previewSizesStr = get(CameraParameters::KEY_SUPPORTED_PREVIEW_SIZES);
	parseSizesList(previewSizesStr, sizes);
	}

	void CameraParameters2::setVideoSize(int width, int height)
	{
	char str[32];
	sprintf(str, "%dx%d", width, height);
	set(CameraParameters::KEY_VIDEO_SIZE, str);
	}

	void CameraParameters2::getVideoSize(int width, int height) const
	{
	width = height = -1;
	const char *p = get(CameraParameters::KEY_VIDEO_SIZE);
	if (p == 0) return;
	parse_pair(p, width, height, 'x');
	}

	void CameraParameters2::getSupportedVideoSizes(Vector<Size> &sizes) const
	{
	const char *videoSizesStr = get(CameraParameters::KEY_SUPPORTED_VIDEO_SIZES);
	parseSizesList(videoSizesStr, sizes);
	}

	void CameraParameters2::setPreviewFrameRate(int fps)
	{
	set(CameraParameters::KEY_PREVIEW_FRAME_RATE, fps);
	}

	int CameraParameters2::getPreviewFrameRate() const
	{
	return getInt(CameraParameters::KEY_PREVIEW_FRAME_RATE);
	}

	void CameraParameters2::getPreviewFpsRange(int min_fps, int max_fps) const
	{
	min_fps = max_fps = -1;
	const char *p = get(CameraParameters::KEY_PREVIEW_FPS_RANGE);
	if (p == 0) return;
	parse_pair(p, min_fps, max_fps, ',');
	}

	void CameraParameters2::setPreviewFpsRange(int min_fps, int max_fps)
	{
	String8 str = String8::format("%d,%d", min_fps, max_fps);
	set(CameraParameters::KEY_PREVIEW_FPS_RANGE, str.c_str());
	}

	void CameraParameters2::setPreviewFormat(const char *format)
	{
	set(CameraParameters::KEY_PREVIEW_FORMAT, format);
	}

	const char *CameraParameters2::getPreviewFormat() const
	{
	return get(CameraParameters::KEY_PREVIEW_FORMAT);
	}

	void CameraParameters2::setPictureSize(int width, int height)
	{
	char str[32];
	sprintf(str, "%dx%d", width, height);
	set(CameraParameters::KEY_PICTURE_SIZE, str);
	}

	void CameraParameters2::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(CameraParameters::KEY_PICTURE_SIZE);
	if (p == 0) return;
	parse_pair(p, width, height, 'x');
	}

	void CameraParameters2::getSupportedPictureSizes(Vector<Size> &sizes) const
	{
	const char *pictureSizesStr = get(CameraParameters::KEY_SUPPORTED_PICTURE_SIZES);
	parseSizesList(pictureSizesStr, sizes);
	}

	void CameraParameters2::setPictureFormat(const char *format)
	{
	set(CameraParameters::KEY_PICTURE_FORMAT, format);
	}

	const char *CameraParameters2::getPictureFormat() const
	{
	return get(CameraParameters::KEY_PICTURE_FORMAT);
	}

	void CameraParameters2::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.c_str(), v.c_str());
	}
	}

	status_t CameraParameters2::dump(int fd, const Vector<String16>& args) const
	{
	(void)args;
	const size_t SIZE = 256;
	char buffer[SIZE];
	String8 result;
	snprintf(buffer, 255, "CameraParameters2::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.c_str(), v.c_str());
	result.append(buffer);
	}
	write(fd, result.c_str(), result.size());
	return NO_ERROR;
	}

	}; // namespace android