[FFmpeg-trac] #3010(undetermined:new): vqf: deadlock with forced format

[FFmpeg]

#3010: vqf: deadlock with forced format
-------------------------------------+-------------------------------------
               Reporter:  ami_stuff  |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  normal     |              Component:
                Version:             |  undetermined
  unspecified                        |               Keywords:
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 http://samples.mplayerhq.hu/A-codecs/DSS/DS230002.DSS

 {{{
 (gdb) r -f vqf -i ./DS230002.DSS -f null -
 Starting program: /media/sdb1/ffmpeg-HEAD-5dc6c0e/ffmpeg_g -f vqf -i
 ./DS230002.DSS -f null -
 [Thread debugging using libthread_db enabled]
 Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
 ffmpeg version 2.0-5dc6c0e Copyright (c) 2000-2013 the FFmpeg developers
   built on Sep 26 2013 20:30:42 with gcc 4.7 (Debian 4.7.2-5)
   configuration: --disable-yasm --enable-gpl --disable-ffserver --disable-
 ffprobe
   libavutil      52. 46.100 / 52. 46.100
   libavcodec     55. 33.100 / 55. 33.100
   libavformat    55. 18.102 / 55. 18.102
   libavdevice    55.  3.100 / 55.  3.100
   libavfilter     3. 87.100 /  3. 87.100
   libswscale      2.  5.100 /  2.  5.100
   libswresample   0. 17.103 /  0. 17.103
   libpostproc    52.  3.100 / 52.  3.100

 Program received signal SIGINT, Interrupt.
 0xb7f8ed1e in __read_nocancel () at ../sysdeps/unix/syscall-template.S:82
 82      ../sysdeps/unix/syscall-template.S: No such file or directory.
 (gdb) bt
 #0  0xb7f8ed1e in __read_nocancel () at ../sysdeps/unix/syscall-
 template.S:82
 #1  0x08168f6e in file_read (h=0x911c2c0, buf=0x911c380 "\002dss\001",
     size=<optimized out>) at libavformat/file.c:86
 #2  0x0815282d in retry_transfer_wrapper (transfer_func=0x8168f40
 <file_read>,
     size_min=1, size=32768, buf=0x911c380 "\002dss\001", h=0x911c2c0)
     at libavformat/avio.c:278
 #3  ffurl_read (h=0x911c2c0, buf=0x911c380 "\002dss\001", size=32768)
     at libavformat/avio.c:309
 #4  0x081533ca in fill_buffer (s=s at entry=0x91243c0)
     at libavformat/aviobuf.c:428
 #5  0x081562d2 in url_feof (s=0x91243c0) at libavformat/aviobuf.c:286
 #6  avio_read (s=0x91243c0, buf=0x9126760 "\240\257\022\t8f\022\t",
     size=<optimized out>) at libavformat/aviobuf.c:523
 #7  0x08246c41 in add_metadata (remaining=549346547, tag_len=0, tag=0,
     s=0x911bd80) at libavformat/vqf.c:61
 #8  vqf_read_header (s=0x911bd80) at libavformat/vqf.c:160
 #9  0x08242d65 in avformat_open_input (ps=ps at entry=0xbffff430,
     filename=filename at entry=0xbffffb65 "./DS230002.DSS",
     fmt=fmt at entry=0x8b060e0, options=0x910ff54) at libavformat/utils.c:521
 #10 0x080a67a4 in open_input_file (o=o at entry=0xbffff52c,
     filename=<optimized out>) at ffmpeg_opt.c:792
 #11 0x080a5107 in open_files (inout=inout at entry=0x88eccdb "input",
     open_file=open_file at entry=0x80a6500 <open_input_file>,
 ---Type <return> to continue, or q <return> to quit---
     l=<error reading variable: Unhandled dwarf expression opcode 0xfa>,
     l=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
     at ffmpeg_opt.c:2494
 #12 0x080ad319 in ffmpeg_parse_options (argc=argc at entry=8,
     argv=argv at entry=0xbffff9b4) at ffmpeg_opt.c:2531
 #13 0x080a280a in main (argc=8, argv=0xbffff9b4) at ffmpeg.c:3393
 (gdb)
 }}}

-- 
Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/3010>
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