mirror of
https://github.com/DmcSDK/cordova-plugin-mediaPicker
synced 2026-05-22 00:01:31 +08:00
add getExif fun
This commit is contained in:
DMC
+335
-277
@@ -1,300 +1,358 @@
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/********* MediaPicker.m Cordova Plugin Implementation *******/
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#import <Cordova/CDV.h>
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#import "DmcPickerViewController.h"
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@interface MediaPicker : CDVPlugin <DmcPickerDelegate>{
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// Member variables go here.
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NSString* callbackId;
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}
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- (void)getMedias:(CDVInvokedUrlCommand*)command;
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- (void)takePhoto:(CDVInvokedUrlCommand*)command;
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- (void)extractThumbnail:(CDVInvokedUrlCommand*)command;
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@end
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@implementation MediaPicker
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- (void)getMedias:(CDVInvokedUrlCommand*)command
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{
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callbackId=command.callbackId;
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NSDictionary *options = [command.arguments objectAtIndex: 0];
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DmcPickerViewController * dmc=[[DmcPickerViewController alloc] init];
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@try{
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dmc.selectMode=[[options objectForKey:@"selectMode"]integerValue];
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}@catch (NSException *exception) {
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NSLog(@"Exception: %@", exception);
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}
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@try{
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dmc.maxSelectCount=[[options objectForKey:@"maxSelectCount"]integerValue];
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}@catch (NSException *exception) {
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NSLog(@"Exception: %@", exception);
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}
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dmc._delegate=self;
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[self.viewController presentViewController:[[UINavigationController alloc]initWithRootViewController:dmc] animated:YES completion:nil];
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}
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-(void) resultPicker:(NSMutableArray*) selectArray
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{
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NSString * tmpDir = NSTemporaryDirectory();
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NSString *dmcPickerPath = [tmpDir stringByAppendingPathComponent:@"dmcPicker"];
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NSFileManager *fileManager = [NSFileManager defaultManager];
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if(![fileManager fileExistsAtPath:dmcPickerPath ]){
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[fileManager createDirectoryAtPath:dmcPickerPath withIntermediateDirectories:YES attributes:nil error:nil];
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}
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NSMutableArray * aListArray=[[NSMutableArray alloc] init];
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if([selectArray count]<=0){
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[self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsArray:aListArray] callbackId:callbackId];
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return;
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}
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dispatch_async(dispatch_get_global_queue (DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
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int index=0;
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for(PHAsset *asset in selectArray){
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@autoreleasepool {
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if(asset.mediaType==PHAssetMediaTypeImage){
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[self imageToSandbox:asset dmcPickerPath:dmcPickerPath aListArray:aListArray selectArray:selectArray index:index];
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}else{
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[self videoToSandboxCompress:asset dmcPickerPath:dmcPickerPath aListArray:aListArray selectArray:selectArray index:index];
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}
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}
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index++;
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}
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});
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}
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-(void)imageToSandbox:(PHAsset *)asset dmcPickerPath:(NSString*)dmcPickerPath aListArray:(NSMutableArray*)aListArray selectArray:(NSMutableArray*)selectArray index:(int)index{
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[[PHImageManager defaultManager] requestImageDataForAsset:asset options:nil resultHandler:^(NSData * _Nullable imageData, NSString * _Nullable dataUTI, UIImageOrientation orientation, NSDictionary * _Nullable info) {
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NSString *filename=[asset valueForKey:@"filename"];
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NSString *fullpath=[NSString stringWithFormat:@"%@/%@%@", dmcPickerPath,[[NSProcessInfo processInfo] globallyUniqueString], filename];
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/********* MediaPicker.m Cordova Plugin Implementation *******/
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#import <Cordova/CDV.h>
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#import "DmcPickerViewController.h"
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@interface MediaPicker : CDVPlugin <DmcPickerDelegate>{
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// Member variables go here.
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NSString* callbackId;
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}
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- (void)getMedias:(CDVInvokedUrlCommand*)command;
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- (void)takePhoto:(CDVInvokedUrlCommand*)command;
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- (void)extractThumbnail:(CDVInvokedUrlCommand*)command;
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@end
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@implementation MediaPicker
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- (void)getMedias:(CDVInvokedUrlCommand*)command
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{
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callbackId=command.callbackId;
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NSDictionary *options = [command.arguments objectAtIndex: 0];
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DmcPickerViewController * dmc=[[DmcPickerViewController alloc] init];
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@try{
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dmc.selectMode=[[options objectForKey:@"selectMode"]integerValue];
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}@catch (NSException *exception) {
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NSLog(@"Exception: %@", exception);
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}
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@try{
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dmc.maxSelectCount=[[options objectForKey:@"maxSelectCount"]integerValue];
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}@catch (NSException *exception) {
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NSLog(@"Exception: %@", exception);
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}
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dmc._delegate=self;
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[self.viewController presentViewController:[[UINavigationController alloc]initWithRootViewController:dmc] animated:YES completion:nil];
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}
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-(void) resultPicker:(NSMutableArray*) selectArray
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{
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NSString * tmpDir = NSTemporaryDirectory();
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NSString *dmcPickerPath = [tmpDir stringByAppendingPathComponent:@"dmcPicker"];
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NSFileManager *fileManager = [NSFileManager defaultManager];
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if(![fileManager fileExistsAtPath:dmcPickerPath ]){
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[fileManager createDirectoryAtPath:dmcPickerPath withIntermediateDirectories:YES attributes:nil error:nil];
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}
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NSMutableArray * aListArray=[[NSMutableArray alloc] init];
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if([selectArray count]<=0){
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[self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsArray:aListArray] callbackId:callbackId];
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return;
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}
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dispatch_async(dispatch_get_global_queue (DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
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int index=0;
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for(PHAsset *asset in selectArray){
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@autoreleasepool {
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if(asset.mediaType==PHAssetMediaTypeImage){
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[self imageToSandbox:asset dmcPickerPath:dmcPickerPath aListArray:aListArray selectArray:selectArray index:index];
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}else{
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[self videoToSandboxCompress:asset dmcPickerPath:dmcPickerPath aListArray:aListArray selectArray:selectArray index:index];
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}
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}
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index++;
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}
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});
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}
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-(void)imageToSandbox:(PHAsset *)asset dmcPickerPath:(NSString*)dmcPickerPath aListArray:(NSMutableArray*)aListArray selectArray:(NSMutableArray*)selectArray index:(int)index{
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[[PHImageManager defaultManager] requestImageDataForAsset:asset options:nil resultHandler:^(NSData * _Nullable imageData, NSString * _Nullable dataUTI, UIImageOrientation orientation, NSDictionary * _Nullable info) {
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NSString *filename=[asset valueForKey:@"filename"];
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NSString *fullpath=[NSString stringWithFormat:@"%@/%@%@", dmcPickerPath,[[NSProcessInfo processInfo] globallyUniqueString], filename];
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NSNumber *size=[NSNumber numberWithLong:imageData.length];
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NSError *error = nil;
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if (![imageData writeToFile:fullpath options:NSAtomicWrite error:&error]) {
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NSLog(@"%@", [error localizedDescription]);
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[self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR messageAsString:[error localizedDescription]] callbackId:callbackId];
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} else {
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NSDictionary *dict=[NSDictionary dictionaryWithObjectsAndKeys:fullpath,@"path",@"image",@"mediaType",size,@"size",[NSNumber numberWithInt:index],@"index", nil];
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[aListArray addObject:dict];
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if([aListArray count]==[selectArray count]){
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[self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsArray:aListArray] callbackId:callbackId];
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}
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}
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}];
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NSError *error = nil;
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if (![imageData writeToFile:fullpath options:NSAtomicWrite error:&error]) {
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NSLog(@"%@", [error localizedDescription]);
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[self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR messageAsString:[error localizedDescription]] callbackId:callbackId];
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} else {
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NSDictionary *dict=[NSDictionary dictionaryWithObjectsAndKeys:fullpath,@"path",@"image",@"mediaType",size,@"size",[NSNumber numberWithInt:index],@"index", nil];
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[aListArray addObject:dict];
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if([aListArray count]==[selectArray count]){
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[self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsArray:aListArray] callbackId:callbackId];
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}
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}
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}];
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}
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-(void)videoToSandbox:(PHAsset *)asset dmcPickerPath:(NSString*)dmcPickerPath aListArray:(NSMutableArray*)aListArray selectArray:(NSMutableArray*)selectArray index:(int)index{
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[[PHImageManager defaultManager] requestAVAssetForVideo:asset options:nil resultHandler:^(AVAsset *avsset, AVAudioMix *audioMix, NSDictionary *info) {
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if ([avsset isKindOfClass:[AVURLAsset class]]) {
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NSString *filename = [asset valueForKey:@"filename"];
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AVURLAsset* urlAsset = (AVURLAsset*)avsset;
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NSString *fullpath=[NSString stringWithFormat:@"%@/%@", dmcPickerPath,filename];
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NSLog(@"%@", urlAsset.URL);
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NSData *data = [NSData dataWithContentsOfURL:urlAsset.URL options:NSDataReadingUncached error:nil];
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NSNumber* size=[NSNumber numberWithLong: data.length];
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NSError *error = nil;
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if (![data writeToFile:fullpath options:NSAtomicWrite error:&error]) {
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NSLog(@"%@", [error localizedDescription]);
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[self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR messageAsString:[error localizedDescription]] callbackId:callbackId];
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} else {
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NSDictionary *dict=[NSDictionary dictionaryWithObjectsAndKeys:fullpath,@"path",size,@"size",@"video",@"mediaType" ,[NSNumber numberWithInt:index],@"index", nil];
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[aListArray addObject:dict];
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if([aListArray count]==[selectArray count]){
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[self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsArray:aListArray] callbackId:callbackId];
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}
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}
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}
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}];
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}
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-(void)videoToSandboxCompress:(PHAsset *)asset dmcPickerPath:(NSString*)dmcPickerPath aListArray:(NSMutableArray*)aListArray selectArray:(NSMutableArray*)selectArray index:(int)index{
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NSString *compressStartjs = [NSString stringWithFormat:@"MediaPicker.compressEvent('%@',%i)", @"start",index];
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[self.commandDelegate evalJs:compressStartjs];
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[[PHImageManager defaultManager] requestExportSessionForVideo:asset options:nil exportPreset:AVAssetExportPresetMediumQuality resultHandler:^(AVAssetExportSession *exportSession, NSDictionary *info) {
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NSString *fullpath=[NSString stringWithFormat:@"%@/%@.%@", dmcPickerPath,[[NSProcessInfo processInfo] globallyUniqueString], @"mp4"];
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NSURL *outputURL = [NSURL fileURLWithPath:fullpath];
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NSLog(@"this is the final path %@",outputURL);
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exportSession.outputFileType=AVFileTypeMPEG4;
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exportSession.outputURL=outputURL;
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[exportSession exportAsynchronouslyWithCompletionHandler:^{
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if (exportSession.status == AVAssetExportSessionStatusFailed) {
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[self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR messageAsString:@"compress failed"] callbackId:callbackId];
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NSLog(@"failed");
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} else if(exportSession.status == AVAssetExportSessionStatusCompleted){
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NSLog(@"completed!");
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NSString *compressCompletedjs = [NSString stringWithFormat:@"MediaPicker.compressEvent('%@',%i)", @"completed",index];
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[self.commandDelegate evalJs:compressCompletedjs];
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NSDictionary *dict=[NSDictionary dictionaryWithObjectsAndKeys:fullpath,@"path",@"video",@"mediaType" ,[NSNumber numberWithInt:index],@"index", nil];
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[aListArray addObject:dict];
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if([aListArray count]==[selectArray count]){
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[self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsArray:aListArray] callbackId:callbackId];
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}
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}
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}];
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}];
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}
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-(NSString*)thumbnailVideo:(NSString*)path quality:(NSInteger)quality {
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UIImage *shotImage;
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//视频路径URL
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NSURL *fileURL = [NSURL fileURLWithPath:path];
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AVURLAsset *asset = [[AVURLAsset alloc] initWithURL:fileURL options:nil];
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AVAssetImageGenerator *gen = [[AVAssetImageGenerator alloc] initWithAsset:asset];
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gen.appliesPreferredTrackTransform = YES;
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CMTime time = CMTimeMakeWithSeconds(0.0, 600);
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NSError *error = nil;
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CMTime actualTime;
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CGImageRef image = [gen copyCGImageAtTime:time actualTime:&actualTime error:&error];
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shotImage = [[UIImage alloc] initWithCGImage:image];
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CGImageRelease(image);
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CGFloat q=quality/100.0f;
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NSString *thumbnail=[UIImageJPEGRepresentation(shotImage,q) base64EncodedStringWithOptions:0];
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return thumbnail;
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}
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- (void)takePhoto:(CDVInvokedUrlCommand*)command
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{
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}
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-(NSString*)thumbnailImage:(NSString*)path quality:(NSInteger)quality{
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UIImage *result = [[UIImage alloc] initWithContentsOfFile:path];
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NSInteger qu = quality>0?quality:3;
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CGFloat q=qu/100.0f;
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NSString *thumbnail=[UIImageJPEGRepresentation(result,q) base64EncodedStringWithOptions:0];
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return thumbnail;
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}
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- (void)extractThumbnail:(CDVInvokedUrlCommand*)command
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- (void)getExif:(CDVInvokedUrlCommand*)command
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{
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callbackId=command.callbackId;
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NSMutableDictionary *options = [command.arguments objectAtIndex: 0];
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NSString *thumbnail;
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if([@"image" isEqualToString: [options objectForKey:@"mediaType"]]){
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thumbnail=[self thumbnailImage:[options objectForKey:@"path"] quality:[[options objectForKey:@"thumbnailQuality"] integerValue]];
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}else{
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thumbnail=[self thumbnailVideo:[options objectForKey:@"path"] quality:[[options objectForKey:@"thumbnailQuality"] integerValue]];
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}
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[options setObject:thumbnail forKey:@"thumbnailBase64"];
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NSNumber* rotate = [NSNumber numberWithInt:0];
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[options setObject:rotate forKey:@"exifRotate"];
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[self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsDictionary:options] callbackId:callbackId];
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}
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- (void)compressImage:(CDVInvokedUrlCommand*)command
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{
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callbackId=command.callbackId;
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NSMutableDictionary *options = [command.arguments objectAtIndex: 0];
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NSInteger quality=[[options objectForKey:@"quality"] integerValue];
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if(quality<100&&[@"image" isEqualToString: [options objectForKey:@"mediaType"]]){
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UIImage *result = [[UIImage alloc] initWithContentsOfFile: [options objectForKey:@"path"]];
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NSInteger qu = quality>0?quality:3;
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CGFloat q=qu/100.0f;
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NSData *data =UIImageJPEGRepresentation(result,q);
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NSString *dmcPickerPath = [NSTemporaryDirectory() stringByAppendingPathComponent:@"dmcPicker"];
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NSFileManager *fileManager = [NSFileManager defaultManager];
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if(![fileManager fileExistsAtPath:dmcPickerPath ]){
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[fileManager createDirectoryAtPath:dmcPickerPath withIntermediateDirectories:YES attributes:nil error:nil];
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}
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NSString *filename=[NSString stringWithFormat:@"%@%@%@",@"dmcMediaPickerCompress", [self currentTimeStr],@".jpg"];
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NSString *fullpath=[NSString stringWithFormat:@"%@/%@", dmcPickerPath,filename];
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NSNumber* size=[NSNumber numberWithLong: data.length];
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NSError *error = nil;
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if (![data writeToFile:fullpath options:NSAtomicWrite error:&error]) {
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NSLog(@"%@", [error localizedDescription]);
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[self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR messageAsString:[error localizedDescription]] callbackId:callbackId];
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} else {
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[options setObject:fullpath forKey:@"path"];
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[options setObject:size forKey:@"size"];
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[options setObject:filename forKey:@"name"];
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[self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsDictionary:options] callbackId:callbackId];
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}
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NSData *imageData = [NSData dataWithContentsOfFile:[options objectForKey:@"path"] ];
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//UIImage * image= [[UIImage alloc] initWithContentsOfFile:[options objectForKey:@"path"] ];
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CGImageSourceRef imageRef=CGImageSourceCreateWithData((CFDataRef)imageData, NULL);
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}else{
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[self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsDictionary:options] callbackId:callbackId];
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CFDictionaryRef imageInfo = CGImageSourceCopyPropertiesAtIndex(imageRef, 0,NULL);
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NSLog(@"All Exif Info:%@",imageInfo);
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NSDictionary *nsdic = (__bridge_transfer NSDictionary*)imageInfo;
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[self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsDictionary:nsdic] callbackId:callbackId];
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}
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}
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//获取当前时间戳
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- (NSString *)currentTimeStr{
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NSDate* date = [NSDate dateWithTimeIntervalSinceNow:0];//获取当前时间0秒后的时间
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NSTimeInterval time=[date timeIntervalSince1970]*1000;// *1000 是精确到毫秒，不乘就是精确到秒
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NSString *timeString = [NSString stringWithFormat:@"%.0f", time];
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return timeString;
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}
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-(void)fileToBlob:(CDVInvokedUrlCommand*)command
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{
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callbackId=command.callbackId;
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NSData *result =[NSData dataWithContentsOfFile:[command.arguments objectAtIndex: 0]];
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[self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsArrayBuffer:result]callbackId:command.callbackId];
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}
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}
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-(void)videoToSandbox:(PHAsset *)asset dmcPickerPath:(NSString*)dmcPickerPath aListArray:(NSMutableArray*)aListArray selectArray:(NSMutableArray*)selectArray index:(int)index{
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||||
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[[PHImageManager defaultManager] requestAVAssetForVideo:asset options:nil resultHandler:^(AVAsset *avsset, AVAudioMix *audioMix, NSDictionary *info) {
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||||
if ([avsset isKindOfClass:[AVURLAsset class]]) {
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NSString *filename = [asset valueForKey:@"filename"];
|
||||
AVURLAsset* urlAsset = (AVURLAsset*)avsset;
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||||
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NSString *fullpath=[NSString stringWithFormat:@"%@/%@", dmcPickerPath,filename];
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||||
NSLog(@"%@", urlAsset.URL);
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NSData *data = [NSData dataWithContentsOfURL:urlAsset.URL options:NSDataReadingUncached error:nil];
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||||
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||||
NSNumber* size=[NSNumber numberWithLong: data.length];
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||||
NSError *error = nil;
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if (![data writeToFile:fullpath options:NSAtomicWrite error:&error]) {
|
||||
NSLog(@"%@", [error localizedDescription]);
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[self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR messageAsString:[error localizedDescription]] callbackId:callbackId];
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} else {
|
||||
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NSDictionary *dict=[NSDictionary dictionaryWithObjectsAndKeys:fullpath,@"path",size,@"size",@"video",@"mediaType" ,[NSNumber numberWithInt:index],@"index", nil];
|
||||
[aListArray addObject:dict];
|
||||
if([aListArray count]==[selectArray count]){
|
||||
[self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsArray:aListArray] callbackId:callbackId];
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
}];
|
||||
|
||||
}
|
||||
|
||||
-(void)videoToSandboxCompress:(PHAsset *)asset dmcPickerPath:(NSString*)dmcPickerPath aListArray:(NSMutableArray*)aListArray selectArray:(NSMutableArray*)selectArray index:(int)index{
|
||||
NSString *compressStartjs = [NSString stringWithFormat:@"MediaPicker.compressEvent('%@',%i)", @"start",index];
|
||||
[self.commandDelegate evalJs:compressStartjs];
|
||||
[[PHImageManager defaultManager] requestExportSessionForVideo:asset options:nil exportPreset:AVAssetExportPresetMediumQuality resultHandler:^(AVAssetExportSession *exportSession, NSDictionary *info) {
|
||||
|
||||
|
||||
NSString *fullpath=[NSString stringWithFormat:@"%@/%@.%@", dmcPickerPath,[[NSProcessInfo processInfo] globallyUniqueString], @"mp4"];
|
||||
NSURL *outputURL = [NSURL fileURLWithPath:fullpath];
|
||||
|
||||
NSLog(@"this is the final path %@",outputURL);
|
||||
|
||||
exportSession.outputFileType=AVFileTypeMPEG4;
|
||||
|
||||
exportSession.outputURL=outputURL;
|
||||
|
||||
[exportSession exportAsynchronouslyWithCompletionHandler:^{
|
||||
|
||||
if (exportSession.status == AVAssetExportSessionStatusFailed) {
|
||||
[self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR messageAsString:@"compress failed"] callbackId:callbackId];
|
||||
NSLog(@"failed");
|
||||
|
||||
} else if(exportSession.status == AVAssetExportSessionStatusCompleted){
|
||||
|
||||
NSLog(@"completed!");
|
||||
NSString *compressCompletedjs = [NSString stringWithFormat:@"MediaPicker.compressEvent('%@',%i)", @"completed",index];
|
||||
[self.commandDelegate evalJs:compressCompletedjs];
|
||||
NSDictionary *dict=[NSDictionary dictionaryWithObjectsAndKeys:fullpath,@"path",@"video",@"mediaType" ,[NSNumber numberWithInt:index],@"index", nil];
|
||||
[aListArray addObject:dict];
|
||||
if([aListArray count]==[selectArray count]){
|
||||
[self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsArray:aListArray] callbackId:callbackId];
|
||||
}
|
||||
}
|
||||
|
||||
}];
|
||||
|
||||
}];
|
||||
}
|
||||
|
||||
|
||||
|
||||
-(NSString*)thumbnailVideo:(NSString*)path quality:(NSInteger)quality {
|
||||
UIImage *shotImage;
|
||||
//视频路径URL
|
||||
NSURL *fileURL = [NSURL fileURLWithPath:path];
|
||||
|
||||
AVURLAsset *asset = [[AVURLAsset alloc] initWithURL:fileURL options:nil];
|
||||
|
||||
AVAssetImageGenerator *gen = [[AVAssetImageGenerator alloc] initWithAsset:asset];
|
||||
|
||||
gen.appliesPreferredTrackTransform = YES;
|
||||
|
||||
CMTime time = CMTimeMakeWithSeconds(0.0, 600);
|
||||
|
||||
NSError *error = nil;
|
||||
|
||||
CMTime actualTime;
|
||||
|
||||
CGImageRef image = [gen copyCGImageAtTime:time actualTime:&actualTime error:&error];
|
||||
|
||||
shotImage = [[UIImage alloc] initWithCGImage:image];
|
||||
|
||||
CGImageRelease(image);
|
||||
CGFloat q=quality/100.0f;
|
||||
NSString *thumbnail=[UIImageJPEGRepresentation(shotImage,q) base64EncodedStringWithOptions:0];
|
||||
return thumbnail;
|
||||
}
|
||||
|
||||
- (void)takePhoto:(CDVInvokedUrlCommand*)command
|
||||
{
|
||||
|
||||
|
||||
}
|
||||
|
||||
-(UIImage*)getThumbnailImage:(NSString*)path type:(NSString*)mtype{
|
||||
UIImage *result;
|
||||
if([@"image" isEqualToString: mtype]){
|
||||
result= [[UIImage alloc] initWithContentsOfFile:path];
|
||||
}else{
|
||||
NSURL *fileURL = [NSURL fileURLWithPath:path];
|
||||
|
||||
AVURLAsset *asset = [[AVURLAsset alloc] initWithURL:fileURL options:nil];
|
||||
|
||||
AVAssetImageGenerator *gen = [[AVAssetImageGenerator alloc] initWithAsset:asset];
|
||||
|
||||
gen.appliesPreferredTrackTransform = YES;
|
||||
|
||||
CMTime time = CMTimeMakeWithSeconds(0.0, 600);
|
||||
|
||||
NSError *error = nil;
|
||||
|
||||
CMTime actualTime;
|
||||
|
||||
CGImageRef image = [gen copyCGImageAtTime:time actualTime:&actualTime error:&error];
|
||||
|
||||
result = [[UIImage alloc] initWithCGImage:image];
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
-(NSString*)thumbnailImage:(UIImage*)result quality:(NSInteger)quality{
|
||||
NSInteger qu = quality>0?quality:3;
|
||||
CGFloat q=qu/100.0f;
|
||||
NSString *thumbnail=[UIImageJPEGRepresentation(result,q) base64EncodedStringWithOptions:0];
|
||||
return thumbnail;
|
||||
}
|
||||
|
||||
- (void)extractThumbnail:(CDVInvokedUrlCommand*)command
|
||||
{
|
||||
callbackId=command.callbackId;
|
||||
NSMutableDictionary *options = [command.arguments objectAtIndex: 0];
|
||||
UIImage * image=[self getThumbnailImage:[options objectForKey:@"path"] type:[options objectForKey:@"mediaType"]];
|
||||
NSString *thumbnail=[self thumbnailImage:image quality:[[options objectForKey:@"thumbnailQuality"] integerValue]];
|
||||
|
||||
[options setObject:thumbnail forKey:@"thumbnailBase64"];
|
||||
NSNumber* rotate = [NSNumber numberWithInt:[self getOrientation:image]];
|
||||
[options setObject:rotate forKey:@"exifRotate"];
|
||||
|
||||
[self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsDictionary:options] callbackId:callbackId];
|
||||
}
|
||||
|
||||
- (void)compressImage:(CDVInvokedUrlCommand*)command
|
||||
{
|
||||
callbackId=command.callbackId;
|
||||
NSMutableDictionary *options = [command.arguments objectAtIndex: 0];
|
||||
|
||||
NSInteger quality=[[options objectForKey:@"quality"] integerValue];
|
||||
if(quality<100&&[@"image" isEqualToString: [options objectForKey:@"mediaType"]]){
|
||||
UIImage *result = [[UIImage alloc] initWithContentsOfFile: [options objectForKey:@"path"]];
|
||||
NSInteger qu = quality>0?quality:3;
|
||||
CGFloat q=qu/100.0f;
|
||||
NSData *data =UIImageJPEGRepresentation(result,q);
|
||||
NSString *dmcPickerPath = [NSTemporaryDirectory() stringByAppendingPathComponent:@"dmcPicker"];
|
||||
NSFileManager *fileManager = [NSFileManager defaultManager];
|
||||
if(![fileManager fileExistsAtPath:dmcPickerPath ]){
|
||||
[fileManager createDirectoryAtPath:dmcPickerPath withIntermediateDirectories:YES attributes:nil error:nil];
|
||||
}
|
||||
NSString *filename=[NSString stringWithFormat:@"%@%@%@",@"dmcMediaPickerCompress", [self currentTimeStr],@".jpg"];
|
||||
NSString *fullpath=[NSString stringWithFormat:@"%@/%@", dmcPickerPath,filename];
|
||||
NSNumber* size=[NSNumber numberWithLong: data.length];
|
||||
NSError *error = nil;
|
||||
if (![data writeToFile:fullpath options:NSAtomicWrite error:&error]) {
|
||||
NSLog(@"%@", [error localizedDescription]);
|
||||
[self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_ERROR messageAsString:[error localizedDescription]] callbackId:callbackId];
|
||||
} else {
|
||||
[options setObject:fullpath forKey:@"path"];
|
||||
[options setObject:size forKey:@"size"];
|
||||
[options setObject:filename forKey:@"name"];
|
||||
[self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsDictionary:options] callbackId:callbackId];
|
||||
}
|
||||
|
||||
}else{
|
||||
[self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsDictionary:options] callbackId:callbackId];
|
||||
}
|
||||
}
|
||||
|
||||
//获取当前时间戳
|
||||
- (NSString *)currentTimeStr{
|
||||
NSDate* date = [NSDate dateWithTimeIntervalSinceNow:0];//获取当前时间0秒后的时间
|
||||
NSTimeInterval time=[date timeIntervalSince1970]*1000;// *1000 是精确到毫秒，不乘就是精确到秒
|
||||
NSString *timeString = [NSString stringWithFormat:@"%.0f", time];
|
||||
return timeString;
|
||||
}
|
||||
|
||||
|
||||
-(void)fileToBlob:(CDVInvokedUrlCommand*)command
|
||||
{
|
||||
callbackId=command.callbackId;
|
||||
NSData *result =[NSData dataWithContentsOfFile:[command.arguments objectAtIndex: 0]];
|
||||
[self.commandDelegate sendPluginResult:[CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsArrayBuffer:result]callbackId:command.callbackId];
|
||||
}
|
||||
|
||||
//-(int)getOrientation:(UIImage *)image{
|
||||
// switch (image.imageOrientation) {
|
||||
// case UIImageOrientationDown:
|
||||
// return 270;
|
||||
// case UIImageOrientationDownMirrored:
|
||||
// return 270;
|
||||
// case UIImageOrientationLeft:
|
||||
// return 0;
|
||||
// case UIImageOrientationLeftMirrored:
|
||||
// return 0;
|
||||
// case UIImageOrientationRight:
|
||||
// return 180;
|
||||
// case UIImageOrientationRightMirrored:
|
||||
// return 180;
|
||||
// case UIImageOrientationUp:
|
||||
// return 90;
|
||||
// case UIImageOrientationUpMirrored:
|
||||
// return 90;
|
||||
// default:
|
||||
// return 0;
|
||||
// }
|
||||
//}
|
||||
|
||||
-(int)getOrientation:(UIImage *)image{
|
||||
switch (image.imageOrientation) {
|
||||
case UIImageOrientationDown:
|
||||
return 180;
|
||||
return 270;
|
||||
case UIImageOrientationDownMirrored:
|
||||
return 180;
|
||||
return 270;
|
||||
case UIImageOrientationLeft:
|
||||
return 270;
|
||||
return 0;
|
||||
case UIImageOrientationLeftMirrored:
|
||||
return 270;
|
||||
return 0;
|
||||
case UIImageOrientationRight:
|
||||
return 90;
|
||||
return 180;
|
||||
case UIImageOrientationRightMirrored:
|
||||
return 90;
|
||||
return 180;
|
||||
case UIImageOrientationUp:
|
||||
return 0;
|
||||
return 90;
|
||||
case UIImageOrientationUpMirrored:
|
||||
return 0;
|
||||
return 90;
|
||||
default:
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
@end
|
||||
}
|
||||
@end
|
||||
|
||||
Reference in New Issue
Block a user