[FFmpeg-devel] patch for failing on WavPack DSD files
Paul B Mahol
onemda at gmail.com
Mon Dec 24 10:21:34 EET 2018
On 12/24/18, David Bryant <david at wavpack.com> wrote:
> On 11/21/18 9:50 PM, David Bryant wrote:
>> On 11/20/18 10:58 PM, Peter Ross wrote:
>>> On Tue, Nov 20, 2018 at 09:23:03PM -0800, David Bryant wrote:
>>>> Was made aware of this problem on Kodi:
>>>> I'm going to try to add full WavPack DSD support, but thought in the
>>>> meantime it would be a good idea to detect and error out early.
>>> cool. is this dst-based, or your own algorithm?
>>> -- Peter
>>> (A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
>>> ffmpeg-devel mailing list
>>> ffmpeg-devel at ffmpeg.org
>> This is my own algorithm. Actually there are two: one is a byte-based
>> algorithm that is very fast and the other is bit-based
>> (like DST) that is slower but compresses better (and still uses less CPU
>> than DST). If I had to make a rough estimation of the
>> average compression ratios, it would be about 0.6 for the fast mode, 0.5
>> for the high mode, and 0.4 for DST.
>> ffmpeg-devel mailing list
>> ffmpeg-devel at ffmpeg.org
> Hi. Is there anything else I can provide to help this along?
> The behavior of FFmpeg encountering WavPack DSD files without this patch is
> pretty ugly...
Yes, post full patch that adds DSD support in WavPack.
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