[FFmpeg-devel] [PATCH] Bonk decoder and demuxer

Paul B Mahol onemda at gmail.com
Thu May 5 18:47:33 CEST 2016


On 5/5/16, Piotr Bandurski <ami_stuff at o2.pl> wrote:
>> > > > > > > > > Improved version attached.
>> > > >
>> > > > I found another bug, this time in lossy mode - the file encoded as
>> > > > "joint stereo" decodes after a few seconds into noise:
>> > > >
>> > > > https://www.datafilehost.com/d/c2e8b332
>> > >
>> > > here are a few more samples:
>> > >
>> > > https://www.datafilehost.com/d/e4825eb4
>> > >
>> > > quantization: 1.15
>> > > downsampling ratio: 1:1/2:1/3:1/10:1
>> > > predictor size: 282
>> > > enable join stereo
>> > >
>> > >
>> > > in file "down_2_1.bonk" noise stars around 2:30
>> >
>> > hmm it has actually not much to do with "join stereo" option, because
>> > the same problem happens with mono files:
>> >
>> > https://www.datafilehost.com/d/09128a25
>>
>> these mono files hangs with ffmpeg's bonk decoder:
>>
>> https://www.datafilehost.com/d/b94fd994
>
> there is actually no hang, I used wrong binary for the test (with applied v1
> version of your patch, so it's fixed)

I fixed hangs/crashes but cant locate noise bug anywhere.


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