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Topic: AAC from SoundCloud: seek bar is disabled (Read 1471 times) previous topic - next topic
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AAC from SoundCloud: seek bar is disabled

For example: https://soundcloud.com/testshotstarfish/fly-by (click More → Download).
It is not possible to change position of the playing music in the foobar2000. MPC-HC doesn't have such problem, for example.

Re: AAC from SoundCloud: seek bar is disabled

Reply #1 –
It is not the first time when I encounter a file with such problem. I suppose it is because this file doesn't have length in the headers. In this case I propose:
1. Add a utility (into the Utilities context menu) which will fix that.
2. Add a message into the console which will say that file doesn't have length information.
3. Allow to "+5 sec", "+10 sec" jumps using keyboard.
4. (Optional, because it is a battery consuming behavior.) When playback is already started, run in background a thread which will decode the whole file and calculate length of the music. When decoding will be finished, seek bar has to became available.

Re: AAC from SoundCloud: seek bar is disabled

Reply #2 –
(More -> Download does only work if you are logged in.)

Yes, you are right that it is a raw .aac file, and the format does not have a seektable. That is one reason that pretty much nobody uses raw AAC files, but encapsulates them in an mp4 container.   IIRC, MPC-HC makes a guess (which is not really accurate, but you may be lucky), while Peter has chosen not to pretend that it is possible to do properly. 

Get ffmpeg and give it a
Code: [Select]
ffmpeg -i "Fly By.aac" -acodec copy "Fly By.m4a"
(The "-acodec copy" means that - as there is only one audio stream in the AAC file - it will losslessly put it into an MP4 container with the .m4a suffix.)
 

Re: AAC from SoundCloud: seek bar is disabled

Reply #3 –
Thanks. I've converted it.