[mythtv] Bt of mythcommflag segfault with mpeg2 file

Oscar Carlsson oscar.carlsson at home.se
Mon Feb 16 02:21:20 EST 2004 

Hello Development,

  here's  something  for  you  Isaac..  :)  seems  pretty short, but i hope it's
  enough. let me know


mythtv at dragon mythtv $ gdb mythcommflag
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There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i686-pc-linux-gnu"...
(gdb) run --chanid 3 --starttime 20040211203000 --force
Starting program: /usr/local/bin/mythcommflag --chanid 3 --starttime 20040211203000 --force
[New Thread 16384 (LWP 11598)]

MythTV Commercial Flagging, started at Mon Feb 16 08:16:45 2004

Flagging commercial breaks for:
ChanID  Start Time      Title                                      Breaks
------  --------------  -----------------------------------------  ------
3       20040211203000  For love or money                          [New Thread 32769 (LWP 11601)]
[New Thread 16386 (LWP 11602)]
Input #0, mpeg, from '/var/video/3_20040211203000_20040211220000.nuv':
  Stream #0.0: Video: mpeg2video, 720x576, 25.00 fps
  Stream #0.1: Audio: mp2, 48000 Hz, stereo, 384 kb/s
Logo Search
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 16384 (LWP 11598)]
0x404a0dad in ff_mpegcontext_flush (s=0x8110d60) at mpegvideo.c:3595
3595           if(s->picture[i].data[0] && (   s->picture[i].type == FF_BUFFER_TYPE_INTERNAL
Current language:  auto; currently c
(gdb) where
#0  0x404a0dad in ff_mpegcontext_flush (s=0x8110d60) at mpegvideo.c:3595
#1  0x405358cc in mpeg12_flush (avctx=0x0) at mpeg12.c:2742
#2  0x40499889 in avcodec_flush_buffers (avctx=0x806ff18) at utils.c:704
#3  0x4028360e in AvFormatDecoder::SeekReset() (this=0x806e688) at avformatdecoder.cpp:104
#4  0x40286f46 in AvFormatDecoder::DoFastForward(long long) (this=0x806e688, desiredFrame=1499) at avformatdecoder.cpp:1420
#5  0x401a92ed in NuppelVideoPlayer::DoFastForward() (this=0x806db48) at NuppelVideoPlayer.cpp:2183
#6  0x401a93ff in NuppelVideoPlayer::JumpToFrame(long long) (this=0x806db48, frame=1500) at NuppelVideoPlayer.cpp:2200
#7  0x401adb1d in NuppelVideoPlayer::FlagCommercials(bool, bool) (this=0x806db48, showPercentage=true, fullSpeed=true)
    at NuppelVideoPlayer.cpp:3211
#8  0x0804be94 in FlagCommercials(QSqlDatabase*, QString, QString) (db=0x80644f0, chanid=
      {static null = {static null = <same as static member of an already seen type>, d = 0x8053d80, static shared_null = 0x8053d80}, d = 0x805a750, static shared_null = 0x8053d80}, starttime=
      {static null = {static null = <same as static member of an already seen type>, d = 0x8053d80, static shared_null = 0x8053d80}, d = 0x805a790, static shared_null = 0x8053d80}) at main.cpp:225
#9  0x0804d16e in main (argc=6, argv=0xbffff8e4) at main.cpp:422
#10 0x411f0dcc in __libc_start_main () from /lib/libc.so.6
(gdb) thread apply all bt full

Thread 3 (Thread 16386 (LWP 11602)):
#0  0x41283ef6 in nanosleep () from /lib/libc.so.6
No symbol table info available.
#1  0x00000000 in ?? ()
No symbol table info available.

Thread 2 (Thread 32769 (LWP 11601)):
#0  0x412a9f2a in poll () from /lib/libc.so.6
No symbol table info available.
#1  0x410b2b6e in __pthread_manager () from /lib/libpthread.so.0
No symbol table info available.
#2  0x410b2dba in __pthread_manager_event () from /lib/libpthread.so.0
No symbol table info available.

Thread 1 (Thread 16384 (LWP 11598)):
#0  0x404a0dad in ff_mpegcontext_flush (s=0x8110d60) at mpegvideo.c:3595
        i = 0
#1  0x405358cc in mpeg12_flush (avctx=0x0) at mpeg12.c:2742
        s = (Mpeg1Context *) 0x0
#2  0x40499889 in avcodec_flush_buffers (avctx=0x806ff18) at utils.c:704
No locals.
#3  0x4028360e in AvFormatDecoder::SeekReset() (this=0x806e688) at avformatdecoder.cpp:104
        enc = (AVCodecContext *) 0x806ff18
        i = 0
        buffer = (VideoFrame *) 0x806ff18
#4  0x40286f46 in AvFormatDecoder::DoFastForward(long long) (this=0x806e688, desiredFrame=1499) at avformatdecoder.cpp:1420
        last_frame = 134976
        needflush = true
        pos_idx1 = 124
        pos_idx2 = 124
        pos_idx = 124
        keyPos = 41928742
        number = 1499
        desiredKey = 1488
        normalframes = 11
#5  0x401a92ed in NuppelVideoPlayer::DoFastForward() (this=0x806db48) at NuppelVideoPlayer.cpp:2183
        number = 1499
        desiredFrame = 1499
#6  0x401a93ff in NuppelVideoPlayer::JumpToFrame(long long) (this=0x806db48, frame=1500) at NuppelVideoPlayer.cpp:2200
        exactstore = false
#7  0x401adb1d in NuppelVideoPlayer::FlagCommercials(bool, bool) (this=0x806db48, showPercentage=true, fullSpeed=true)
    at NuppelVideoPlayer.cpp:3211
        pixelsInMask = 1073827664
        loop = 0
        endFrame = 1750
---Type <return> to continue, or q <return> to quit---
        counter = 0
        sampleSpacing = 1
        seekIncrement = 1500
        mask = {"\fU", "ΝΏ"}
        secs = 10
        loops = 8
        maxLoops = 12
        seekFrame = 1500
        comms_found = 0
        percentage = 0
        flagTime = {ds = 1073829032}
#8  0x0804be94 in FlagCommercials(QSqlDatabase*, QString, QString) (db=0x80644f0, chanid=
      {static null = {static null = <same as static member of an already seen type>, d = 0x8053d80, static shared_null = 0x8053d80}, d = 0x805a750, static shared_null = 0x8053d80}, starttime=
      {static null = {static null = <same as static member of an already seen type>, d = 0x8053d80, static shared_null = 0x8053d80}, d = 0x805a790, static shared_null = 0x8053d80}) at main.cpp:225
        commDetectMethod = 4
        blanks = {sh = 0x8064820}
        program_info = (ProgramInfo *) 0x806d5d0
        filename = {static null = {static null = <same as static member of an already seen type>, d = 0x8053d80,
    static shared_null = 0x8053d80}, d = 0x8064bc8, static shared_null = 0x8053d80}
        tmprbuf = (RingBuffer *) 0x806a230
        nvp = (NuppelVideoPlayer *) 0x806db48
        comms_found = 1091267879
#9  0x0804d16e in main (argc=6, argv=0xbffff8e4) at main.cpp:422
        a = <incomplete type>
        argpos = 6
        chanid = {static null = {static null = <same as static member of an already seen type>, d = 0x8053d80,
    static shared_null = 0x8053d80}, d = 0x805a750, static shared_null = 0x8053d80}
        starttime = {static null = {static null = <same as static member of an already seen type>, d = 0x8053d80,
    static shared_null = 0x8053d80}, d = 0x805a790, static shared_null = 0x8053d80}
        time_now = 1076915805
        all_recorded = 0
        db = (struct QSqlDatabase *) 0x80644f0
#10 0x411f0dcc in __libc_start_main () from /lib/libc.so.6
No symbol table info available.
(gdb)


  

MVH
 Oscar

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