[FFmpeg-user] Artefacts when recording an rtsp stream

[lucian orasanu]

Good day,

I'am trayng to record an stream from an hikvision DS=2CD2032-I, with command "ffmpeg -i rtsp://37.43.41.213/h264/ch1/main/av_stream test.avi"
but i see allot of errors like"


[h264 @ 0x163a380] error while decoding MB 47 39, bytestream (-5)
[h264 @ 0x163a380] Cannot use next picture in error concealment
[h264 @ 0x163a380] concealing 482 DC, 482 AC, 482 MV errors in P frame
RTP: missed 10 packets31.0 size=    6055kB time=00:03:31.36 bitrate= 234.7kbits/s dup=0 drop=5    
[h264 @ 0x15aa9a0] RTP: missed 12 packets

and

[h264 @ 0x163a380] concealing 2136 DC, 2136 AC, 2136 MV errors in I frame
[h264 @ 0x15aa9a0] RTP: missed 4 packets
[h264 @ 0x163a380] error while decoding MB 63 17, bytestream (-11)


this is the start of recording:

ffmpeg version 2.0 Copyright (c) 2000-2013 the FFmpeg developers
  built on Jul 12 2013 21:57:15 with gcc 4.6.3 (Gentoo 4.6.3 p1.11, pie-0.5.2)
  configuration: --prefix=/usr --libdir=/usr/lib64 --shlibdir=/usr/lib64 --mandir=/usr/share/man --enable-shared --cc=x86_64-pc-linux-gnu-gcc --cxx=x86_64-pc-linux-gnu-g++ --ar=x86_64-pc-linux-gnu-ar --optflags='-march=core2 -O2 -pipe' --extra-cflags='-march=core2 -O2 -pipe' --extra-cxxflags='-march=core2 -O2 -pipe' --disable-static --enable-gpl --enable-postproc --enable-avfilter --enable-avresample --disable-stripping --enable-nonfree --enable-version3 --enable-nonfree --disable-indev=alsa --disable-indev=oss --disable-indev=jack --disable-outdev=alsa --disable-outdev=oss --disable-outdev=sdl --enable-version3 --enable-bzlib --enable-runtime-cpudetect --disable-debug --disable-doc --disable-gnutls --enable-hardcoded-tables --enable-iconv --enable-network --enable-openssl --disable-ffplay --disable-vaapi --disable-vdpau --enable-zlib --enable-libvo-aacenc --disable-libvo-amrwbenc --enable-libmp3lame --disable-libfdk-aac --disable-libaacplus
 --enable-libfaac --enable-libtheora --disable-libtwolame --disable-  libavutil      52. 38.100 / 52. 38.100
  libavcodec     55. 18.102 / 55. 18.102
  libavformat    55. 12.100 / 55. 12.100
  libavdevice    55.  3.100 / 55.  3.100
  libavfilter     3. 79.101 /  3. 79.101
  libavresample   1.  1.  0 /  1.  1.  0
  libswscale      2.  3.100 /  2.  3.100
  libswresample   0. 17.102 /  0. 17.102
  libpostproc    52.  3.100 / 52.  3.100
[h264 @ 0x200e9a0] RTP: missed 4 packets
[h264 @ 0x200e9a0] RTP: missed 9 packets
[h264 @ 0x200e9a0] RTP: missed 4 packets
[h264 @ 0x200e9a0] RTP: missed 2 packets
[h264 @ 0x200e9a0] RTP: missed 3 packets
    Last message repeated 1 times
[h264 @ 0x200e9a0] RTP: missed 5 packets
    Last message repeated 1 times
[h264 @ 0x200e9a0] RTP: missed 9 packets
[h264 @ 0x200e9a0] RTP: missed 8 packets
    Last message repeated 1 times
[h264 @ 0x200e9a0] RTP: missed 3 packets
[h264 @ 0x200e9a0] left block unavailable for requested intra4x4 mode -1 at 0 18
[h264 @ 0x200e9a0] error while decoding MB 0 18, bytestream (15159)
[h264 @ 0x200e9a0] concealing 2209 DC, 2209 AC, 2209 MV errors in I frame
[h264 @ 0x200e9a0] RTP: missed 6 packets
[h264 @ 0x200e9a0] RTP: missed 2 packets
[h264 @ 0x200e9a0] RTP: missed 10 packets
[h264 @ 0x200e9a0] RTP: missed 8 packets
[h264 @ 0x200e9a0] RTP: missed 9 packets
[h264 @ 0x200e9a0] RTP: missed 11 packets
[h264 @ 0x200e9a0] RTP: missed 2 packets
    Last message repeated 1 times
[h264 @ 0x200e9a0] RTP: missed 1 packets
[h264 @ 0x200e9a0] RTP: missed 9 packets
[h264 @ 0x200e9a0] RTP: missed 7 packets
[h264 @ 0x200e9a0] RTP: missed 6 packets
[h264 @ 0x200e9a0] concealing 2142 DC, 2142 AC, 2142 MV errors in I frame
[h264 @ 0x200e9a0] RTP: missed 1 packets
[h264 @ 0x200e9a0] RTP: missed 6 packets
[h264 @ 0x200e9a0] RTP: missed 40 packets
[h264 @ 0x200e9a0] RTP: missed 42 packets
[h264 @ 0x200e9a0] RTP: missed 79 packets
[h264 @ 0x200e9a0] RTP: missed 9 packets
[h264 @ 0x200e9a0] RTP: missed 8 packets
[h264 @ 0x200e9a0] RTP: missed 9 packets
[h264 @ 0x200e9a0] RTP: missed 6 packets
[h264 @ 0x200e9a0] RTP: missed 16 packets
[h264 @ 0x200e9a0] RTP: missed 39 packets
[h264 @ 0x200e9a0] RTP: missed 23 packets
[h264 @ 0x200e9a0] RTP: missed 5 packets
[h264 @ 0x200e9a0] RTP: missed 1 packets
Input #0, rtsp, from 'rtsp://37.43.41.213/h264/ch1/main/av_stream':
  Metadata:
    title           : Media Presentation
  Duration: N/A, start: 0.520133, bitrate: N/A
    Stream #0:0: Video: h264 (Main), yuv420p, 1280x720, 25 fps, 25 tbr, 90k tbn, 50 tbc



And the image is very distorsioned, allot of bad mackrobloks. here is an sample
http://zm.realfield.ro/test.avi


My observation is that with ffmpeg 0.7 is working beter than 2.0

can this be fixed??
camera is online and who wants can make an test!