[FFmpeg-trac] #5041(undetermined:closed): ffmpeg hangs up during analyzing flv stream

FFmpeg trac at avcodec.org
Thu Nov 26 18:43:37 CET 2015


#5041: ffmpeg hangs up during analyzing flv stream
-------------------------------------+-------------------------------------
             Reporter:  maxvgi       |                    Owner:
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:  http flv     |               Resolution:
             Blocking:               |  worksforme
Analyzed by developer:  0            |               Blocked By:
                                     |  Reproduced by developer:  0
-------------------------------------+-------------------------------------
Changes (by cehoyos):

 * keywords:  hang max_analyze_duration http flv => http flv
 * status:  new => closed
 * resolution:   => worksforme


Comment:

 I get the same behaviour and console output with current and older FFmpeg
 (2.7):
 {{{
 $ ffplay http://admin:123890@91.202.204.9:89/h264.flv
 ffplay version N-76851-ga330430 Copyright (c) 2003-2015 the FFmpeg
 developers
   built with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl
   libavutil      55.  9.100 / 55.  9.100
   libavcodec     57. 16.100 / 57. 16.100
   libavformat    57. 19.100 / 57. 19.100
   libavdevice    57.  0.100 / 57.  0.100
   libavfilter     6. 15.100 /  6. 15.100
   libswscale      4.  0.100 /  4.  0.100
   libswresample   2.  0.101 /  2.  0.101
   libpostproc    54.  0.100 / 54.  0.100
 [flv @ 0x7f3680000920] Could not find codec parameters for stream 1
 (Audio: none, 0 channels, 176 kb/s): unknown codec
 Consider increasing the value for the 'analyzeduration' and 'probesize'
 options
 Input #0, flv, from 'http://admin:123890@91.202.204.9:89/h264.flv':
   Duration: N/A, start: 0.000000, bitrate: 176 kb/s
     Stream #0:0: Video: h264 (Baseline), yuv420p, 640x480, 0 kb/s, 30.30
 fps, 30 tbr, 1k tbn, 60 tbc
     Stream #0:1: Audio: none, 0 channels, 176 kb/s
   56.63 M-V:  0.000 fd=   0 aq=    0KB vq=   59KB sq=    0B f=0/0
 }}}
 If you don't want to wait, you can use {{{-analyzeduration 1 -probesize
 1000}}} or similar.

 Afaict, no audio packets are transmitted.

--
Ticket URL: <https://trac.ffmpeg.org/ticket/5041#comment:2>
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