[FFmpeg-trac] #3042(avformat:open): RealMedia streaming: assertion failed "rm->audio_pkt_cnt > 0" (libavformat/rmdec.c:879)

[FFmpeg]

#3042: RealMedia streaming: assertion failed "rm->audio_pkt_cnt > 0"
(libavformat/rmdec.c:879)
-------------------------------------+-------------------------------------
             Reporter:               |                    Owner:
  Underground78                      |                   Status:  open
                 Type:  defect       |                Component:  avformat
             Priority:  important    |               Resolution:
              Version:  git-master   |               Blocked By:
             Keywords:  rtsp real    |  Reproduced by developer:  1
  regression crash abort             |
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by cehoyos):

 {{{
 $ ffplay rtsp://apreal03.triara.com/broadcast/canalcongreso.rm
 ffplay version N-57391-g1b3a7e1 Copyright (c) 2003-2013 the FFmpeg
 developers
   built on Oct 24 2013 15:22:13 with gcc 4.7 (SUSE Linux)
   configuration: --enable-gpl
   libavutil      52. 47.101 / 52. 47.101
   libavcodec     55. 38.101 / 55. 38.101
   libavformat    55. 19.104 / 55. 19.104
   libavdevice    55.  5.100 / 55.  5.100
   libavfilter     3. 89.100 /  3. 89.100
   libswscale      2.  5.101 /  2.  5.101
   libswresample   0. 17.104 /  0. 17.104
   libpostproc    52.  3.100 / 52.  3.100
 Truncating packet of size 8561 to 26
 [rdt @ 0x7f9428008080] Impossibly sized packet
 Truncating packet of size 8561 to 26
 [rdt @ 0x7f9428008080] Impossibly sized packet
 Truncating packet of size 8561 to 26
 [rdt @ 0x7f9428008080] Impossibly sized packet

 [...]

 Truncating packet of size 405 to 26
 [rdt @ 0x7f9428008080] Impossibly sized packet
 Truncating packet of size 405 to 26
 [rdt @ 0x7f9428008080] Impossibly sized packet
 Truncating packet of size 28 to 26
 [rdt @ 0x7f9428008080] Impossibly sized packet
 [rtsp @ 0x7f9428000920] Could not find codec parameters for stream 1
 (Video: rv40 (RV40 / 0x30345652), yuv420p, 720x480): no frame in rv30/40
 and no sar
 Consider increasing the value for the 'analyzeduration' and 'probesize'
 options
 Input #0, rtsp, from
 'rtsp://apreal03.triara.com/broadcast/canalcongreso.rm':
   Metadata:
     title           : canalcongreso.rm
     comment         : <No author> <No copyright>
   Duration: N/A, start: 0.000000, bitrate: 76 kb/s
     Stream #0:0: Video: rv40 (RV40 / 0x30345652), yuv420p, 720x480, 60
 kb/s, 15 fps, 15 tbr, 1k tbn, 1k tbc
     Stream #0:1: Video: rv40 (RV40 / 0x30345652), yuv420p, 720x480, 15
 fps, 15 tbr, 1k tbn, 1k tbc
     Stream #0:2: Audio: cook (cook / 0x6B6F6F63), 22050 Hz, stereo, fltp,
 16 kb/s
 [rv40 @ 0x7f94280c0560] First slice header is incorrect
 [rv40 @ 0x7f9428093c80] Context scratch buffers could not be allocated due
 to unknown size.
 [rv40 @ 0x7f9428093c80] First slice header is incorrect
 [rv40 @ 0x7f94280db040] Context scratch buffers could not be allocated due
 to unknown size.
 [rv40 @ 0x7f94280db040] First slice header is incorrect
 [rv40 @ 0x7f94280f9660] Context scratch buffers could not be allocated due
 to unknown size.

 [...]

 [rv40 @ 0x7f9428093c80] First slice header is incorrect
 [rv40 @ 0x7f94280db040] Context scratch buffers could not be allocated due
 to unknown size.
 [rv40 @ 0x7f94280db040] First slice header is incorrect
 [rv40 @ 0x7f94280f9660] Context scratch buffers could not be allocated due
 to unknown size.
 [rv40 @ 0x7f94280f9660] First slice header is incorrect
 [rtsp @ 0x7f9428000920] method PLAY failed: 501 Not Implemented/0
 Assertion rm->audio_pkt_cnt > 0 failed at libavformat/rmdec.c:877
 [rv40 @ 0x7f942822c900] Context scratch buffers could not be allocated due
 to unknown size.
 Aborted
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/3042#comment:3>
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