[FFmpeg-user] ffmpeg live stream transcoding

[radiocm]

command:
ffmpeg -deinterlace -y -f mp4 -f mp2 -f rtp -i rtp://239.0.12.1:5000
-bufsize 2480k -b 512000 -r 40 -vf hqdn3d=2:1:2,format=yuv420p -pix_fmt
yuv420p -vcodec libx264 -vpre baseline -vpre fast -acodec libfaac -f h264
udp://10.0.254.47:1001


Anyone know what is the reason of the following errors ?

[h264 @ 0x864bc40] reference picture missing during reorder
[h264 @ 0x864bc40] Missing reference picture
[h264 @ 0x864bc40] mmco: unref short failure
[h264 @ 0x864bc40] reference picture missing during reordere= 735.6kbits/s
dup=42 drop=0
[h264 @ 0x864bc40] Missing reference picture
[h264 @ 0x864bc40] mmco: unref short failure
    Last message repeated 1 times    164kB time=1.86 bitrate= 723.0kbits/s
dup=69 drop=0
[h264 @ 0x864bc40] left block unavailable for requested intra mode at 0 12
[h264 @ 0x864bc40] error while decoding MB 0 12, bytestream (2223)
[mp2 @ 0x86324a0] Header missing     188kB time=2.11 bitrate= 730.5kbits/s
dup=77 drop=0
Error while decoding stream #0.0
RTP: PT=21: bad cseq c42f expected=85081kB time=5.08 bitrate= 663.0kbits/s
dup=121 drop=0
[h264 @ 0x864bc40] Reference 3 >= 2
[h264 @ 0x864bc40] error while decoding MB 23 27, bytestream (1292)
[h264 @ 0x864bc40] reference picture missing during reorder
[h264 @ 0x864bc40] Missing reference picture
[h264 @ 0x864bc40] mmco: unref short failure
    Last message repeated 1 times
[h264 @ 0x864bc40] number of reference frames exceeds max (probably corrupt
input), discarding one
[h264 @ 0x864bc40] mmco: unref short failureime=5.14 bitrate= 663.5kbits/s
dup=472 drop=0
RTP: PT=21: bad cseq 04a1 expected=c56d
[h264 @ 0x864bc40] Reference 2 >= 2
[h264 @ 0x864bc40] error while decoding MB 5 14, bytestream (1918)
[h264 @ 0x864bc40] mmco: unref short failure
[mp2 @ 0x86324a0] Header missing




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Best regards, Vadim.
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