[Libav-user] Errors in P frame after transcoding. Boîte de réception x

[NDJORE BORIS]

Hello all,

When I try to decode a transcoded video I have the following errors:

[mpeg4 @ 0x1d80c00] concealing 40 DC, 40 AC, 40 MV errors in P frame
[mpeg4 @ 0x1d80c00] I cbpy damaged at 63 0
[mpeg4 @ 0x1d80c00] Error at MB: 63
[mpeg4 @ 0x1d80c00] concealing 3600 DC, 3600 AC, 3600 MV errors in P frame
[mpeg4 @ 0x1d80c00] Error at MB: 2467
[mpeg4 @ 0x1d80c00] concealing 1377 DC, 1377 AC, 1377 MV errors in P frame
[mpeg4 @ 0x1d80c00] ac-tex damaged at 75 13
[mpeg4 @ 0x1d80c00] Error at MB: 1128
[mpeg4 @ 0x1d80c00] concealing 2600 DC, 2600 AC, 2600 MV errors in P frame
[mpeg4 @ 0x1d80c00] ac-tex damaged at 63 0
[mpeg4 @ 0x1d80c00] Error at MB: 63
[mpeg4 @ 0x1d80c00] concealing 3600 DC, 3600 AC, 3600 MV errors in P frame
[mpeg4 @ 0x1d80c00] ac-tex damaged at 9 1
[mpeg4 @ 0x1d80c00] Error at MB: 90
[mpeg4 @ 0x1d80c00] concealing 3600 DC, 3600 AC, 3600 MV errors in P frame
[mpeg4 @ 0x1d80c00] 1. marker bit missing in 3. esc
[mpeg4 @ 0x1d80c00] Error at MB: 2932
[mpeg4 @ 0x1d80c00] concealing 932 DC, 932 AC, 932 MV errors in P frame
[mpeg4 @ 0x1d80c00] I cbpy damaged at 64 7
[mpeg4 @ 0x1d80c00] Error at MB: 631
[mpeg4 @ 0x1d80c00] concealing 3071 DC, 3071 AC, 3071 MV errors in P frame
[mpeg4 @ 0x1d80c00] P cbpy damaged at 75 41
[mpeg4 @ 0x1d80c00] Error at MB: 3396
[mpeg4 @ 0x1d80c00] concealing 520 DC, 520 AC, 520 MV errors in P frame
[mpeg4 @ 0x1d80c00] ac-tex damaged at 64 14
[mpeg4 @ 0x1d80c00] Error at MB: 1198
[mpeg4 @ 0x1d80c00] concealing 2548 DC, 2548 AC, 2548 MV errors in P frame

Can someone explain me  what it means and if possible how can I fixe it,
please?
For information I use doc/examples/transcoding.c
<https://ffmpeg.org/doxygen/trunk/doc_2examples_2transcoding_8c-example.html>
example
to transcode the video.
Regards
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