FFMpeg Batch Video and Audio - Super User

Can someone give me some help in converting .mp3 , .m4a and .mp4 files?

• For .mp3 I want to reencode them to ALAC.
• For the .m4a files I want to convert them to .mp3 and reencode them to ALAC.
• For the .mp4 I want to reencode them to x264 (preset veryslow) and ALAC.

All the other parts (frames, bitrate, etc) stay the same.

What should I do?

Using Windows, FFMpeg x32 version 1.0

Source: http://superuser.com/questions/520724/ffmpeg-batch-video-and-audio

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