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                                            刘立超

can we run objc in macOS 12.1

I failed, too version: 818.2 MAC: 12.1 Xcode: 13.1

Stopping an animation while it is playing will delay it or pause it in the current frame.

After careful study of this problem, I found that it was caused by the keyword attribute @nsmanaged, whose performance was slightly different from that of @dynamic in objective-c. After executing...

用你的那个编码解码都成功了,但在播放pcm

刚用真机测试了一下demo，是没有问题的，捕获音频PCM后编码AAC，然后再解码PCM，再播放pcm，是有声音的，你可以确认一下，可能是你哪块漏掉了一些步骤或改动

h264解码完成后如何保存为mp4或其他播放器能播放的文件呢?

> h264解码完成后如何保存为mp4或其他播放器能播放的文件呢? h264数据直接封装mp4的格式就能播放，如封装mp4需要知道mp4的内部格式，或者利用其它工具库封装mp4