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Objective-C AVAssetExportSession仅音频

[英]Objective-C AVAssetExportSession only audio

原文 2012-02-19 00:15:13 0 1 objective-c/ audio/ file-type/ avassetexportsession

如何使用AVAssetExportSession仅将音频导出到* .aif或* .mp3文件？ 每当我尝试为outputFileType -property提供@"com.apple.quicktime-movie"以外的任何内容时，它就会崩溃。

可能是因为.mp3不是受支持的导出文件类型

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