[FFmpeg-user] UDP converting

Mārtiņš Bisenieks martins.bisenieks at coastcore.com
Wed Jun 1 15:19:52 CEST 2011


Hi

I'm trying to encode udp live stream and send to wowza meda server with 
ffmpeg. At the beginning ffmpeg works fine but after some errors it 
crashes and dont do anything. Mybe someone can help me with this.

There is my console log:

martins at topaz:~$ ffmpeg -i "udp://225.1.1.4:5000" -vcodec libx264 -vpre 
baseline -g 60 -vb 150000 -strict experimental -acodec aac -ab 96000 -ar 
48000 -ac 2 -vbsf h264_mp4toannexb -f mpegts 
udp://127.0.0.1:10000?pkt_size=1316
ffmpeg version git-N-30421-gc328122, Copyright (c) 2000-2011 the FFmpeg 
developers
   built on May 30 2011 13:45:56 with gcc 4.4.3
   configuration: --enable-gpl --enable-version3 --enable-nonfree 
--enable-postproc --enable-libfaac --enable-libmp3lame 
--enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora 
--enable-libvorbis --enable-libx264 --enable-libxvid --enable-x11grab
   libavutil    51.  3. 0 / 51.  3. 0
   libavcodec   53.  6. 1 / 53.  6. 1
   libavformat  53.  2. 0 / 53.  2. 0
   libavdevice  53.  1. 0 / 53.  1. 0
   libavfilter   2. 11. 0 /  2. 11. 0
   libswscale    0. 14. 0 /  0. 14. 0
   libpostproc  51.  2. 0 / 51.  2. 0
[mpegts @ 0x26b23e0] Unable to seek back to the start
[mpeg2video @ 0x26b3560] mpeg_decode_postinit() failure
     Last message repeated 7 times
[mpegts @ 0x26b23e0] max_analyze_duration 5000000 reached at 5016000
[mpegts @ 0x26b23e0] Estimating duration from bitrate, this may be 
inaccurate
Input #0, mpegts, from 'udp://225.1.1.4:5000':
   Duration: N/A, start: 90805.007222, bitrate: 4192 kb/s
   Program 113
     Stream #0.0[0x65]: Video: mpeg2video (Main), yuv420p, 720x576 [PAR 
16:15 DAR 4:3], 4000 kb/s, 26.27 fps, 25 tbr, 90k tbn, 50 tbc
     Stream #0.1[0x66](eng): Audio: mp2, 48000 Hz, stereo, s16, 192 kb/s
[buffer @ 0x274c5e0] w:720 h:576 pixfmt:yuv420p tb:1/1000000 sar:16/15 
sws_param:
[libx264 @ 0x26cabe0] Default settings detected, using medium profile
[libx264 @ 0x26cabe0] using SAR=16/15
[libx264 @ 0x26cabe0] using cpu capabilities: MMX2 SSE2 SSE3 Cache64
[libx264 @ 0x26cabe0] profile High, level 3.0
[mpegts @ 0x26ab040] muxrate VBR, pcr every 2 pkts, sdt every 200, 
pat/pmt every 40 pkts
Output #0, mpegts, to 'udp://127.0.0.1:10000?pkt_size=1316':
   Metadata:
     encoder         : Lavf53.2.0
     Stream #0.0: Video: libx264, yuv420p, 720x576 [PAR 16:15 DAR 4:3], 
q=2-31, 150 kb/s, 90k tbn, 25 tbc
     Stream #0.1(eng): Audio: libfaac, 48000 Hz, stereo, s16, 96 kb/s
Stream mapping:
   Stream #0.0 -> #0.0
   Stream #0.1 -> #0.1
Press [q] to stop, [?] for help
[mpeg2video @ 0x26b3560] warning: first frame is no keyframe
[udp @ 0x26b2960] circular_buffer: OVERRUN time=9.08 bitrate= 
316.0kbits/s dup=9 drop=0
frame=  520 fps= 18 q=50.0 size=     693kB time=19.08 bitrate= 
297.7kbits/s dup=9 drop=0

-- 
Coast Core

*Mārtiņš Bisenieks*
Lead programmer

Phone: +371 26129622
E-mail: martins.bisenieks at coastcore.com
Web: http://www.coastcore.com


More information about the ffmpeg-user mailing list