[Ffmpeg-devel] packetized mpeg4 video decode error

mike lee mikelee
Thu Jul 21 10:12:03 CEST 2005


Dear all
   I am now trying to stream the mpeg4 video only data though internet
with rtp_mode on in AVCodecContext. The result video is fine but crash
blocks appear randomly.  Here are the errors. Does anybody know what's
wrong with the video data?

[mpeg4 @ 0xd0c330]Slice mismatch at MB: 88
[mpeg4 @ 0xd0c330]marker does not match f_code
[mpeg4 @ 0xd0c330]marker does not match f_code
[mpeg4 @ 0xd0c330]Slice mismatch at MB: 302
[mpeg4 @ 0xd0c330]Slice mismatch at MB: 410
[mpeg4 @ 0xd0c330]concealing 7 DC, 1 AC, 7 MV errors
[mpeg4 @ 0xd0c330]cbpc corrupted at 4 6
[mpeg4 @ 0xd0c330]Slice mismatch at MB: 218
[mpeg4 @ 0xd0c330]cbpc corrupted at 10 15
[mpeg4 @ 0xd0c330]concealing 6 DC, 4 AC, 6 MV errors
[mpeg4 @ 0xd0c330]Slice mismatch at MB: 346
[mpeg4 @ 0xd0c330]concealing 5 DC, 3 AC, 5 MV errors
[mpeg4 @ 0xd0c330]cbpc corrupted at 10 5
[mpeg4 @ 0xd0c330]ac-tex damaged at 21 9
[mpeg4 @ 0xd0c330]texture corrupted at 21 9 0
[mpeg4 @ 0xd0c330]Error at MB: 228
[mpeg4 @ 0xd0c330]cbpc corrupted at 16 15
[mpeg4 @ 0xd0c330]concealing 3 DC, 4 AC, 3 MV errors
[mpeg4 @ 0xd0c330]cbpc corrupted at 13 5
[mpeg4 @ 0xd0c330]Slice mismatch at MB: 266
[mpeg4 @ 0xd0c330]Slice mismatch at MB: 399
[mpeg4 @ 0xd0c330]concealing 7 DC, 3 AC, 7 MV errors
[mpeg4 @ 0xd0c330]Slice mismatch at MB: 123
[mpeg4 @ 0xd0c330]ac-tex damaged at 16 11
[mpeg4 @ 0xd0c330]texture corrupted at 16 11 0
[mpeg4 @ 0xd0c330]Error at MB: 269
[mpeg4 @ 0xd0c330]marker missing after first P partition at 0 18
[mpeg4 @ 0xd0c330]concealing 10 DC, 9 AC, 10 MV errors
[mpeg4 @ 0xd0c330]header damaged

best regard
Mike,Lee





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