![opus in MP4 support is experimental, add '-strict -2' if you want to use it. Could not write header_opus in mp4 support is experimental, add '-strict -CSDN博客 opus in MP4 support is experimental, add '-strict -2' if you want to use it. Could not write header_opus in mp4 support is experimental, add '-strict -CSDN博客](https://img-blog.csdnimg.cn/20210328210459767.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2ExMjM1NTU1Ng==,size_16,color_FFFFFF,t_70)
opus in MP4 support is experimental, add '-strict -2' if you want to use it. Could not write header_opus in mp4 support is experimental, add '-strict -CSDN博客
![Is this transcoding normal? Why is PLEX converting a MP4 to MKV and using OPUS Audio format when playing remotely to an iPhone? I thought iPhone could play MP4 natively? : r/PleX Is this transcoding normal? Why is PLEX converting a MP4 to MKV and using OPUS Audio format when playing remotely to an iPhone? I thought iPhone could play MP4 natively? : r/PleX](https://preview.redd.it/z6tiq64gj4031.jpg?auto=webp&s=5116ceb0a431f2af6cfae4c47f77f2d8231da9de)
Is this transcoding normal? Why is PLEX converting a MP4 to MKV and using OPUS Audio format when playing remotely to an iPhone? I thought iPhone could play MP4 natively? : r/PleX
Warning message "flac in MP4 support is experimental" results in early termination · Issue #222 · k4yt3x/video2x · GitHub
![Warning message "flac in MP4 support is experimental" results in early termination · Issue #222 · k4yt3x/video2x · GitHub Warning message "flac in MP4 support is experimental" results in early termination · Issue #222 · k4yt3x/video2x · GitHub](https://user-images.githubusercontent.com/21986859/81487667-ed073b80-924e-11ea-9efa-9afdf10ca572.png)