| 1 | I am using ffmpeg as a decoder plugin for mpd, on a raspberry pi, therefore I am not sure which version it is based on, nor how to go about fnding out. However, it is the latest version (0.22.6) of mpd. I am experiencing occasional discontinuity in transition between aac audio files which should appear gapless. There is no audible join when they are played with iTunes or Foobar2000 in Windows. I have submitted an issue to the mpd development team, along with sample media, and received this reply:
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| 2 |
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| 3 | "I don't know if these files are really gapless, but if so, then this is a FFmpeg problem. I tried:
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| 5 | ffmpeg -f concat -safe 0 -i concat.txt -c copy out.m4a
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| 6 |
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| 7 | ... where concat.txt contains:
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| 8 |
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| 9 | file '01 01 Vulcan Princess_short.m4a'
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| 10 | file '02 Yesterday Princess.m4a'
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| 11 |
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| 12 | When I played out.m4a, I heard the same glitch as with MPD.
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| 13 | Sorry, I can't help from here, this needs to be fixed in FFmpeg."
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| 14 |
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| 15 | I will submit the same sample media via your upload server, using the names "01 Track01 aac gapless fail.m4a" and "02 Track02 aac gapless fail.m4a". These are the same files referred to above, but I have changed the names to be more meaningful. The problem occurs in the transition between track 01 and track 02.
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