[libav-tools] avprobe assertion failure question
Torsten Sadowski
tsadowski at gmx.net
Sun Oct 20 22:58:14 CEST 2013
Hello,
I am trying to play a webcam stream (rtsp, h.264) over libav. The webcam seems to be rather buggy but works with vlc/live555. I need libav because I want to use zoneminder. I think I figured out rtsp but could someone tell me what goes wrong here:
rtsp://192.168.130.152:554/live/av0?user=admin\&passwd=admin
avprobe version 9.10, Copyright (c) 2007-2013 the Libav developers
built on Oct 18 2013 23:23:24 with gcc 4.7 (Ubuntu/Linaro 4.7.3-1ubuntu1)
configuration: --prefix=/home/user/libav/libav
libavutil 52. 3. 0 / 52. 3. 0
libavcodec 54. 35. 0 / 54. 35. 0
libavformat 54. 20. 3 / 54. 20. 3
libavdevice 53. 2. 0 / 53. 2. 0
libavfilter 3. 3. 0 / 3. 3. 0
libavresample 1. 0. 1 / 1. 0. 1
libswscale 2. 1. 1 / 2. 1. 1
[rtsp @ 0x2d79a00] SDP:
v=0
o=- 3422425 782967157 IN IP4 192.168.130.152
s=live
c=IN IP4 0.0.0.0
t=0 0
a=control:*
m=audio 0 RTP/AVP 8
a=control:rtsp://192.168.130.152:554/audio0
m=video 0 RTP/AVP 96
b=AS:2058
a=rtpmap:96 H264/90000
a=range:npt=0-
a=fmtp:96 profile-level-id=420028;packetization-mode=1;sprop-parameter-sets=Z0IAKOkAoAt3/gAAAwABxIAG3dAAzf5gDYgQlA==,aM4xUg==
a=control:rtsp://192.168.130.152:554/video0
avprobe: libavcodec/mpegvideo.c:1519: ff_MPV_frame_start: Assertion `s->pict_type == AV_PICTURE_TYPE_I || (s->last_picture_ptr && s->last_picture_ptr->f.data[0])' failed.
Core dumped
Cheers,
Torsten
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