[Libav-user] Problems with ffvhuff and huvvyuv

Paul B Mahol onemda at gmail.com
Wed Oct 16 21:47:50 CEST 2013

On 10/16/13, Paul B Mahol <onemda at gmail.com> wrote:
> On 10/16/13, James Board <jpboard2 at yahoo.com> wrote:
>>>Why don't you simply test this yourself?
>>>It cannot take more time to test than to write your
>>>mail, let alone write (and read!) the answers.
>> I did.  It generated the extra frames.  So the libav implementation
>> works this way.  Or at least my code works that way, and my code
>> might be screwed.  The question I mean to ask (maybe I wasn't clear)
>> is whether there is anything fundamental to the huffyuv algorithm
>> which prevents me from decoding a single frame.  If the answer
>> is 'yes', then I know not to dig through the source code (big
>> learning curve) because that effort can't possibly work.  If
>> the answer is 'no, then I'll press on.
> There is nothing in huffyuv algorithm and ffvhuff which could cause this.

And issue is probably withing avi container as it
may not add every frame into index table.
And when seeking you never check if returned packet actually is right
one that you need.

Or it could be bug in your code how you seek in file, etc...

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