itunes 歌曲导出 和上传
app要求把iPhone本地歌曲导出到项目上传到服务器
源代码 ：
MPMediaQuery *everything = [[MPMediaQuery alloc] init];
// 读取条件
MPMediaPropertyPredicate *albumNamePredicate =
[MPMediaPropertyPredicate predicateWithValue:[NSNumber numberWithInt:MPMediaTypeMusic ] forProperty: MPMediaItemPropertyMediaType];
[everything addFilterPredicate:albumNamePredicate];
NSLog(@"Logging items from a generic query...");
NSArray *itemsFromGenericQuery = [everything items];
for (MPMediaItem *song in itemsFromGenericQuery) {
}
AVURLAsset *songAsset = [AVURLAsset URLAssetWithURL:url options:nil];
NSLog (@"compatible presets for songAsset: %@",[AVAssetExportSession exportPresetsCompatibleWithAsset:songAsset]);
NSArray *ar = [AVAssetExportSession exportPresetsCompatibleWithAsset: songAsset];
NSLog(@"ar==%@", ar);
AVAssetExportSession *exporter = [[AVAssetExportSession alloc]
initWithAsset: songAsset
presetName:AVAssetExportPresetAppleM4A];
NSLog (@"created exporter. supportedFileTypes: %@", exporter.supportedFileTypes);
exporter.outputFileType = @"com.apple.m4a-audio";
NSString *exportFile = [documentsDirectoryPath stringByAppendingPathComponent:[NSString stringWithFormat:@"%@.m4a",name];
NSError *error1;
if([fileManager fileExistsAtPath:exportFile])
{
[fileManager removeItemAtPath:exportFile error:&error1];
}
NSURL* exportURL = [NSURL fileURLWithPath:exportFile] ;
exporter.outputURL = exportURL;
// do the export
[exporter exportAsynchronouslyWithCompletionHandler:^
{
int exportStatus = exporter.status;
switch (exportStatus) {
case AVAssetExportSessionStatusFailed: {
// log error to text view
NSError *exportError = exporter.error;
NSLog (@"AVAssetExportSessionStatusFailed: %@", exportError);
break;
}
case AVAssetExportSessionStatusCompleted: {
NSLog (@"AVAssetExportSessionStatusCompleted");
[self uploadMusic:exportFile]; //这里上传
break;
}
case AVAssetExportSessionStatusUnknown: {
NSLog (@"AVAssetExportSessionStatusUnknown");
break;
}
case AVAssetExportSessionStatusExporting: {
NSLog (@"AVAssetExportSessionStatusExporting");
break;
}
case AVAssetExportSessionStatusCancelled: {
NSLog (@"AVAssetExportSessionStatusCancelled");
break;
}
case AVAssetExportSessionStatusWaiting: {
NSLog (@"AVAssetExportSessionStatusWaiting");
break;
}
default:
{ NSLog (@"didn't get export status");
break;
}
}
}];
}else{
}
}
}
相关知识
韩网热议！Crush认证防弹少年团郑号锡咖啡厅“我们厚比生日快乐”阿米赠送宠物狗艺术
猫咪放松歌曲在线播放免费听
劲爆歌曲大全100首
我的老父亲歌曲原唱
久唱不衰的闽南语歌曲——从闽南语歌曲看台湾人的社会心理
《中国好歌曲第二季
宠物跳舞机热门歌曲推荐：狗狗专用舞曲精选集
上传文件和提交textfield
狗狗跳舞机热门歌曲列表及完整音乐名称汇总
小猫小狗窝里睡了什么歌曲
网址: itunes 歌曲导出 和上传 https://m.mcbbbk.com/newsview396711.html
| 上一篇: 为了英克雷而战 |
下一篇: 求教，宠物怎么快速升级，顺便说一 |
