[Libav-user] 971218 - MV errors in I frame

[hamidi]

The packets are previously received from network and saved in a file.
They're tested to be received properly. My program just read them from the
file. The format which is used for the file is custom and I'm certain that
they're read properly.

On Thu, Mar 14, 2019 at 2:48 PM Yurii Monakov <monakov.y at gmail.com> wrote:

> If you are using UDP as a transport, perhaps some packets get dropped by
> OS network stack.
> Try to increase UDP socket receive buffer with setsockopt function (or
> with ffmpeg options).
> In case of Linux you should also increase net.core.rmem_max kernel
> parameter.
>
> вт, 12 мар. 2019 г. в 15:26, hamidi <hamidi at gmail.com>:
>
>> No, these packets are encoded by Bosch NBC-265-P.
>>
>> On Sat, Mar 9, 2019 at 8:13 PM Carl Eugen Hoyos <ceffmpeg at gmail.com>
>> wrote:
>>
>>> 2019-03-09 17:29 GMT+01:00, hamidi <hamidi at gmail.com>:
>>> > Hi
>>> > I get the following errors continually for each frame in my code:
>>> >
>>> > [h264 @ 0108c8c0] error while decoding MB 71 44, bytestream -27
>>> > [h264 @ 0108c8c0] concealing 58 DC, 58 AC, 58 MV errors in I frame
>>> > [h264 @ 0108c8c0] error while decoding MB 53 4, bytestream -9
>>> > [h264 @ 0108c8c0] concealing 3276 DC, 3276 AC, 3276 MV errors in I
>>> frame
>>> > [h264 @ 0108c8c0] error while decoding MB 18 4, bytestream -5
>>> > [h264 @ 0108c8c0] concealing 3311 DC, 3311 AC, 3311 MV errors in I
>>> frame
>>> > [h264 @ 0108c8c0] error while decoding MB 22 3, bytestream -6
>>> > [h264 @ 0108c8c0] concealing 3387 DC, 3387 AC, 3387 MV errors in I
>>> frame
>>> >
>>> > Now about my code:
>>> > I got frames from a Bosch camera in H264 and saved them in a file in a
>>> > special format.
>>>
>>> Is this Divar DVR-5000 which prodces dxa files as in ticket #3986?
>>>
>>> Carl Eugen
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