mirror of
https://github.com/purplecabbage/phonegap-plugins.git
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75 lines
2.7 KiB
Objective-C
75 lines
2.7 KiB
Objective-C
//
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// AudioEncode.m
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//
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// By Lyle Pratt, September 2011.
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// MIT licensed
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//
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#import "AudioEncode.h"
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@implementation AudioEncode
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@synthesize successCallback, failCallback;
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- (void)encodeAudio:(NSArray*)arguments withDict:(NSDictionary*)options
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{
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self.successCallback = [[arguments objectAtIndex:1] retain];
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self.failCallback = [[arguments objectAtIndex:2] retain];
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NSString* audioPath = [arguments objectAtIndex:0];
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NSURL* audioURL = [NSURL fileURLWithPath:audioPath];
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AVURLAsset* audioAsset = [[AVURLAsset alloc] initWithURL:audioURL options:nil];
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AVAssetExportSession* exportSession = [[AVAssetExportSession alloc] initWithAsset:audioAsset presetName:AVAssetExportPresetAppleM4A];
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NSURL* exportURL = [NSURL fileURLWithPath:[[audioPath componentsSeparatedByString:@".wav"] objectAtIndex:0]];
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NSURL* destinationURL = [exportURL URLByAppendingPathExtension:@"m4a"];
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exportSession.outputURL = destinationURL;
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exportSession.outputFileType = AVFileTypeAppleM4A;
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[exportSession exportAsynchronouslyWithCompletionHandler:^{
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if (AVAssetExportSessionStatusCompleted == exportSession.status) {
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NSLog(@"AVAssetExportSessionStatusCompleted");
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[self performSelectorOnMainThread:@selector(doSuccessCallback:) withObject:[exportSession.outputURL path] waitUntilDone:NO];
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} else if (AVAssetExportSessionStatusFailed == exportSession.status) {
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// a failure may happen because of an event out of your control
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// for example, an interruption like a phone call comming in
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// make sure and handle this case appropriately
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NSLog(@"AVAssetExportSessionStatusFailed");
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[self performSelectorOnMainThread:@selector(doFailCallback:) withObject:[NSString stringWithFormat:@"%i", exportSession.status] waitUntilDone:NO];
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} else {
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NSLog(@"Export Session Status: %d", exportSession.status);
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}
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[exportSession release];
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}];
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NSFileManager *fileMgr = [NSFileManager defaultManager];
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NSError *error = noErr;
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if ([fileMgr removeItemAtPath:audioPath error:&error] != YES) {
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NSLog(@"Unable to delete file: %@", [error localizedDescription]);
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}
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}
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-(void) doSuccessCallback:(NSString*)path {
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NSLog(@"doing success callback");
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NSString* jsCallback = [NSString stringWithFormat:@"%@(\"%@\");", self.successCallback, path];
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[self writeJavascript: jsCallback];
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[self.successCallback release];
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}
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-(void) doFailCallback:(NSString*)status {
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NSLog(@"doing fail callback");
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NSString* jsCallback = [NSString stringWithFormat:@"%@(\"%@\");", self.failCallback, status];
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[self writeJavascript: jsCallback];
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[self.failCallback release];
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}
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@end
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