[Libav-user] Noise while seeking in mp3 files.

[Ole Dittmann]

I found the same thing with aac and wmv.
Already reported it a few months ago.
But that was during the whole ffmpeg/libav incident so it probably got 
wasted.
Just took your post as reason to repeat the ticket:

https://ffmpeg.org/trac/ffmpeg/ticket/420


Am 25.08.2011 13:04, schrieb Prunk Dump:
> When seeking in a mp3 file, the decoder produce a noise depending of
> when the seek is done. This is illustrated in the attached file
> "audioBitStream.jpg".
>
> ->If I seek to timestamp 0 while playing "hight" sound, a noise is
> clearly visible when I restart decoding (see first stereo stream :
> dump10noise.raw)
>
> ->If I seek to timestamp 0 while playing "silence", no noise is
> produced (see second stereo stream : dump10clear.raw)
>
> So it seems that  avcodec_flush_buffers doesn't completely flush all
> the buffers of the codec. We see that it keep track of the last
> decoded sound.
>
> So is this a bug ? Or it's me that have I missed something?
>
>
> _______________________________________________
> Libav-user mailing list
> Libav-user at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/libav-user

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