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  • FFmpeg RTSP crash

    19 septembre 2016, par bot1131357

    I am trying to rtsp stream between two consoles on my computer.

    On console 1 I have :

    ffmpeg -rtbufsize 100M -re -f dshow -s 320x240 -i video="BisonCam, NB Pro" -r 10 -an -f rtsp -rtsp_transport tcp rtsp://127.0.0.1:8554/demo

    On console 2 I have :

    ffplay -rtsp_flags listen -i rtsp://127.0.0.1:8554/demo

    When I run execute both commands, my webcam LED lights up. But then immediately after ffmpeg crashes. Has anyone encountered the same thing ? I could really use some help here.

    This is my ffmpeg configuration on a Windows 10 machine :

    ffmpeg version N-81391-g2a3720b Copyright (c) 2000-2016 the FFmpeg developers
    
  built with gcc 5.4.0 (GCC)
    
  configuration: --disable-static --enable-shared --enable-gpl --enable-version3 --disable-w32threads --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth --enable-bzlib --enable-libebur128 --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-decklink --enable-zlib
    
  libavutil      55. 29.100 / 55. 29.100
    
  libavcodec     57. 54.100 / 57. 54.100
    
  libavformat    57. 47.101 / 57. 47.101
    
  libavdevice    57.  0.102 / 57.  0.102
    
  libavfilter     6. 52.100 /  6. 52.100
    
  libswscale      4.  1.100 /  4.  1.100
    
  libswresample   2.  1.100 /  2.  1.100
    
  libpostproc    54.  0.100 / 54.  0.100
    
Hyper fast Audio and Video encoder
    
usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...
    

    
Use -h to get full help or, even better, run 'man ffmpeg'

    Update

    I tried to stream from a video file, just to be sure that the issue is not related to the webcam.

    #Console 1
    
ffmpeg -i out.mp4 -f rtsp -rtsp_transport tcp rtsp://localhost:8888/live.sdp
    

    
#Console 2
    
ffplay -rtsp_flags listen rtsp://localhost:8888/live.sdp?tcp

    The output for both consoles are as follows :

    Console 1 :

    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'out.mp4':
    
  Metadata:
    
    major_brand     : isom
    
    minor_version   : 512
    
    compatible_brands: isomiso2avc1mp41
    
    encoder         : Lavf57.47.101
    
  Duration: 00:01:02.57, start: 0.000000, bitrate: 172 kb/s
    
    Stream #0:0(und): Video: h264 (High 4:2:2) (avc1 / 0x31637661), yuv422p, 320x240, 169 kb/s, 30 fps, 30 tbr, 10000k tbn, 60 tbc (default)
    
    Metadata:
    
      handler_name    : VideoHandler
    
[rtsp @ 00000000024c1700] Using AVStream.codec to pass codec parameters to muxers is deprecated, use AVStream.codecpar instead.
    
Output #0, rtsp, to 'rtsp://localhost:8888/live.sdp':
    
  Metadata:
    
    major_brand     : isom
    
    minor_version   : 512
    
    compatible_brands: isomiso2avc1mp41
    
    encoder         : Lavf57.47.101
    
    Stream #0:0(und): Video: mpeg4, yuv420p, 320x240, q=2-31, 200 kb/s, 30 fps, 90k tbn, 30 tbc (default)
    
    Metadata:
    
      handler_name    : VideoHandler
    
      encoder         : Lavc57.54.100 mpeg4
    
    Side data:
    
      cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (h264 (native) -> mpeg4 (native))
    
Press [q] to stop, [?] for help

    Console 2 :

    [rtsp @ 00000000001ccde0] WARNING: Path /live.sdp differs from expected /live.sdp?tcp
    
    Last message repeated 1 times
    
[rtsp @ 00000000001ccde0] Updating control URI to rtsp://localhost:8888/live.sdp
    
[rtsp @ 00000000001ccde0] Could not find codec parameters for stream 0 (Video: mpeg4 (Simple Profile), none, 320x240 [SAR 1:1 DAR 4:3]): unspecified pixel format
    
Consider increasing the value for the 'analyzeduration' and 'probesize' options
    
Input #0, rtsp, from 'rtsp://localhost:8888/live.sdp?tcp':
    
  Metadata:
    
    title           : No Name
    
  Duration: N/A, bitrate: N/A
    
    Stream #0:0: Video: mpeg4 (Simple Profile), none, 320x240 [SAR 1:1 DAR 4:3], 30 tbr, 90k tbn, 30 tbc
    
    nan M-V:    nan fd=   0 aq=    0KB vq=    0KB sq=    0B f=0/0

    The same crash happened with ffmpeg.exe, and ffplay continued waiting for data. I tried the same commands on a Linux virtual machine, and it worked fine.

    Any ideas ?

    Update

    Here’s what I’ve got from gdb :

    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'out.mp4':
    
  Metadata:
    
    major_brand     : isom
    
    minor_version   : 512
    
    compatible_brands: isomiso2avc1mp41
    
    encoder         : Lavf57.47.101
    
  Duration: 00:01:02.57, start: 0.000000, bitrate: 172 kb/s
    
    Stream #0:0(und): Video: h264 (High 4:2:2) (avc1 / 0x31637661), yuv422p, 320x240, 169 kb/s, 30 fps, 30 tbr, 10000k tbn, 60 tbc (default)
    
    Metadata:
    
      handler_name    : VideoHandler
    
[New Thread 15408.0x3f28]
    
[New Thread 15408.0x86c]
    
[New Thread 15408.0x23c8]
    
[New Thread 15408.0xf48]
    
[New Thread 15408.0x354c]
    
[New Thread 15408.0xf24]
    
[New Thread 15408.0x1e4c]
    
[New Thread 15408.0x257c]
    
[New Thread 15408.0x22a4]
    
[New Thread 15408.0xc88]
    
[New Thread 15408.0x40bc]
    
[New Thread 15408.0x1520]
    
[New Thread 15408.0x2584]
    
[New Thread 15408.0x1a64]
    
[New Thread 15408.0x3934]
    
[New Thread 15408.0x4010]
    
[New Thread 15408.0x3d28]
    
[New Thread 15408.0x288c]
    
[New Thread 15408.0x1e50]
    
[New Thread 15408.0x630]
    
[New Thread 15408.0x4128]
    
[New Thread 15408.0x3fa0]
    
[New Thread 15408.0x20ec]
    
[New Thread 15408.0x4bcc]
    
[New Thread 15408.0x17b4]
    
[New Thread 15408.0x1204]
    
[New Thread 15408.0x2dc8]
    
[rtsp @ 0000000000e458e0] Using AVStream.codec to pass codec parameters to muxers is deprecated, use AVStream.codecpar instead.
    
[New Thread 15408.0x1d14]
    
Output #0, rtsp, to 'rtsp://localhost:8888/live.sdp':
    
  Metadata:
    
    major_brand     : isom
    
    minor_version   : 512
    
    compatible_brands: isomiso2avc1mp41
    
    encoder         : Lavf57.47.101
    
    Stream #0:0(und): Video: mpeg4, yuv420p, 320x240, q=2-31, 200 kb/s, 30 fps, 90k tbn, 30 tbc (default)
    
    Metadata:
    
      handler_name    : VideoHandler
    
      encoder         : Lavc57.54.100 mpeg4
    
    Side data:
    
      cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (h264 (native) -> mpeg4 (native))
    
Press [q] to stop, [?] for help
    

    
Program received signal SIGSEGV, Segmentation fault.
    
0x00007ff82d95292f in avpriv_mpegts_parse_close () from E:\Dev\Library\ffmpeg-20160819-2a3720b-win64-shared\bin\avformat-57.dll

    And the backtrace :

    (gdb) bt
    
#0  0x00007ff82d95292f in avpriv_mpegts_parse_close () from E:\Dev\Library\ffmpeg-20160819-2a3720b-win64-shared\bin\avformat-57.dll
    
#1  0x00007ff82d956a1b in avformat-57!av_get_output_timestamp () from E:\Dev\Library\ffmpeg-20160819-2a3720b-win64-shared\bin\avformat-57.dll
    
#2  0x00007ff82d9a5dbe in ff_rtsp_parse_line () from E:\Dev\Library\ffmpeg-20160819-2a3720b-win64-shared\bin\avformat-57.dll
    
#3  0x00007ff82d955e6d in avformat-57!av_interleaved_write_frame () from E:\Dev\Library\ffmpeg-20160819-2a3720b-win64-shared\bin\avformat-57.dll
    
#4  0x000000014001af78 in ?? ()
    
#5  0x000000014001bda9 in ?? ()
    
#6  0x000000014001e642 in ?? ()
    
#7  0x00000001400201f1 in ?? ()
    
#8  0x000000014004bd47 in ?? ()
    
#9  0x00000001400013ed in ?? ()
    
#10 0x000000014000152b in ?? ()
    
#11 0x00007ff85e2b8102 in KERNEL32!BaseThreadInitThunk () from C:\Windows\system32\kernel32.dll
    
#12 0x00007ff85edac264 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
    
#13 0x0000000000000000 in ?? ()
    
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
    
(gdb)

    Update 2

    Here’s using ffmpeg_g.exe

    Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'out.mp4':
    
  Metadata:
    
    major_brand     : isom
    
    minor_version   : 512
    
    compatible_brands: isomiso2avc1mp41
    
    encoder         : Lavf57.47.101
    
  Duration: 00:01:02.57, start: 0.000000, bitrate: 172 kb/s
    
    Stream #0:0(und): Video: h264 (High 4:2:2) (avc1 / 0x31637661), yuv422p, 320x240, 169 kb/s, 30 fps, 30 tbr, 10000k tbn, 60 tbc (default)
    
    Metadata:
    
      handler_name    : VideoHandler
    
[New Thread 14052.0x3560]
    
[New Thread 14052.0x24b4]
    
[New Thread 14052.0x3554]
    
[New Thread 14052.0x1a3c]
    
[New Thread 14052.0x2e64]
    
[New Thread 14052.0xd0c]
    
[New Thread 14052.0x29e4]
    
[New Thread 14052.0x3724]
    
[New Thread 14052.0x36f8]
    
[New Thread 14052.0x36f0]
    
[New Thread 14052.0x78]
    
[New Thread 14052.0x1578]
    
[New Thread 14052.0x36a0]
    
[New Thread 14052.0x3688]
    
[New Thread 14052.0x369c]
    
[New Thread 14052.0x1f84]
    
[New Thread 14052.0x2094]
    
[New Thread 14052.0x2f14]
    
[New Thread 14052.0x2c54]
    
[New Thread 14052.0x3624]
    
[New Thread 14052.0x2d44]
    
[New Thread 14052.0x3424]
    
[New Thread 14052.0x1dd4]
    
[New Thread 14052.0x20c4]
    
[New Thread 14052.0x34d8]
    
[New Thread 14052.0x34e4]
    
[New Thread 14052.0x3528]
    
[rtsp @ 0000000000f75a80] Using AVStream.codec to pass codec parameters to muxers is deprecated, use AVStream.codecpar instead.
    
[New Thread 14052.0x3564]
    
Output #0, rtsp, to 'rtsp://localhost:8888/live.sdp':
    
  Metadata:
    
    major_brand     : isom
    
    minor_version   : 512
    
    compatible_brands: isomiso2avc1mp41
    
    encoder         : Lavf57.47.101
    
    Stream #0:0(und): Video: mpeg4, yuv420p, 320x240, q=2-31, 200 kb/s, 30 fps, 90k tbn, 30 tbc (default)
    
    Metadata:
    
      handler_name    : VideoHandler
    
      encoder         : Lavc57.54.100 mpeg4
    
    Side data:
    
      cpb: bitrate max/min/avg: 0/0/200000 buffer size: 0 vbv_delay: -1
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (h264 (native) -> mpeg4 (native))
    
Press [q] to stop, [?] for help
    

    
Program received signal SIGSEGV, Segmentation fault.
    
0x00007ffeecd8292f in avpriv_mpegts_parse_close ()
    
   from E:\Dev\Library\ffmpeg-20160819-2a3720b-win64-shared\bin\avformat-57.dll
    
(gdb) bt
    
#0  0x00007ffeecd8292f in avpriv_mpegts_parse_close ()
    
   from E:\Dev\Library\ffmpeg-20160819-2a3720b-win64-shared\bin\avformat-57.dll
    
#1  0x00007ffeecd86a1b in avformat-57!av_get_output_timestamp ()
    
   from E:\Dev\Library\ffmpeg-20160819-2a3720b-win64-shared\bin\avformat-57.dll
    
#2  0x00007ffeecdd5dbe in ff_rtsp_parse_line ()
    
   from E:\Dev\Library\ffmpeg-20160819-2a3720b-win64-shared\bin\avformat-57.dll
    
#3  0x00007ffeecd85e6d in avformat-57!av_interleaved_write_frame
    
    ()
    
   from E:\Dev\Library\ffmpeg-20160819-2a3720b-win64-shared\bin\avformat-57.dll
    
#4  0x000000014001af78 in ?? ()
    
#5  0x000000014001bda9 in ?? ()
    
#6  0x000000014001e642 in ?? ()
    
#7  0x00000001400201f1 in ?? ()
    
#8  0x000000014004bd47 in ?? ()
    
#9  0x00000001400013ed in ?? ()
    
---Type <return> to continue, or q <return> to quit---  
    
</return></return>

    Update 3

    After building my own ffmpeg using the --enable-debug flag, I’m back at it again. Still getting the same error though. Any ideas ? At this point, it seems like there’s something wrong with my computer settings.

    ffmpeg version N-81392-ga453bbb Copyright (c) 2000-2016 the FFmpeg developers
    
  built with gcc 5.3.1 (GCC) 20160211
    
  configuration: --prefix=/home/ytan/Dev/build-mingw/ffmpeg/ --enable-cross-compile --cross-prefix=x86_64-w64-mingw32- --arch=x86_64 --target-os=mingw64 --pkg-config-flags=--static --enable-shared --disable-static --enable-libvpx --enable-libvorbis --enable-libmp3lame --enable-openssl --enable-pic --enable-debug --extra-ldlibflags='-static -pthread'
    
  libavutil      55. 29.100 / 55. 29.100
    
  libavcodec     57. 54.100 / 57. 54.100
    
  libavformat    57. 47.101 / 57. 47.101
    
  libavdevice    57.  0.102 / 57.  0.102
    
  libavfilter     6. 52.100 /  6. 52.100
    
  libswscale      4.  1.100 /  4.  1.100
    
  libswresample   2.  1.100 /  2.  1.100
    
[New Thread 6352.0x1e6c]
    
[New Thread 6352.0x12fc]
    
[New Thread 6352.0x1f70]
    
[New Thread 6352.0x17b0]
    
[New Thread 6352.0xdac]
    
Input #0, dshow, from 'video=BisonCam, NB Pro':
    
  Duration: N/A, start: 377578.440000, bitrate: N/A
    
    Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 320x240, 30 fps, 30 tbr, 10000k tbn, 10000k tbc
    
[New Thread 6352.0x544]
    
[New Thread 6352.0x1d00]
    
[New Thread 6352.0x1f14]
    
[New Thread 6352.0x1bb0]
    
[New Thread 6352.0xf08]
    
[New Thread 6352.0x7c8]
    
[New Thread 6352.0x12d0]
    
[New Thread 6352.0x504]
    
[New Thread 6352.0x1a74]
    
[libvpx @ 0000000002f0dc40] v1.6.0-384-g4a25b59
    
[rtsp @ 0000000002f0aac0] Using AVStream.codec to pass codec parameters to muxers is deprecated, use AVStream.codecpar instead.
    
[New Thread 6352.0x11dc]
    
Output #0, rtsp, to 'rtsp://127.0.0.1:8554/demo':
    
  Metadata:
    
    encoder         : Lavf57.47.101
    
    Stream #0:0: Video: vp8 (libvpx), yuv420p, 320x240, q=-1--1, 100 kb/s, 10 fps, 90k tbn, 10 tbc
    
    Metadata:
    
      encoder         : Lavc57.54.100 libvpx
    
    Side data:
    
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (rawvideo (native) -> vp8 (libvpx))
    
Press [q] to stop, [?] for help
    

    
Program received signal SIGSEGV, Segmentation fault.
    
0x00007ff894fd08af in avpriv_mpegts_parse_close () from E:\Dev\Library\ffmpeg\bin\avformat-57.dll
    
(gdb) bt
    
#0  0x00007ff894fd08af in avpriv_mpegts_parse_close () from E:\Dev\Library\ffmpeg\bin\avformat-57.dll
    
#1  0x00007ff894fd499b in avformat-57!av_get_output_timestamp () from E:\Dev\Library\ffmpeg\bin\avformat-57.dll
    
#2  0x00007ff89502dbae in ff_rtsp_parse_line () from E:\Dev\Library\ffmpeg\bin\avformat-57.dll
    
#3  0x00007ff894fd3ded in avformat-57!av_interleaved_write_frame () from E:\Dev\Library\ffmpeg\bin\avformat-57.dll
    
#4  0x000000014001ab18 in ?? ()
    
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
    
(gdb) thread apply all bt
    

    
Thread 19 (Thread 6352.0x11dc):
    
#0  0x00007ff8c4804e74 in ntdll!ZwRemoveIoCompletion () from C:\Windows\SYSTEM32\ntdll.dll
    
#1  0x00007ff8c0663e49 in Tcpip4_WSHStringToAddress () from C:\Windows\system32\mswsock.dll
    
#2  0x00007ff8c3e58102 in KERNEL32!BaseThreadInitThunk () from C:\Windows\system32\kernel32.dll
    
#3  0x00007ff8c47bc264 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
    
#4  0x0000000000000000 in ?? ()
    
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
    

    
Thread 18 (Thread 6352.0x1a74):
    
#0  0x00007ff8c4808404 in ntdll!ZwWaitForAlertByThreadId () from C:\Windows\SYSTEM32\ntdll.dll
    
#1  0x00007ff8c47c7810 in ntdll!RtlSleepConditionVariableCS () from C:\Windows\SYSTEM32\ntdll.dll
    
#2  0x00007ff8c0e2bb47 in SleepConditionVariableCS () from C:\Windows\system32\KernelBase.dll
    
#3  0x00007ff896f59420 in avfilter_graph_parse_ptr () from E:\Dev\Library\ffmpeg\bin\avfilter-6.dll
    
#4  0x00007ff896f5935f in avfilter_graph_parse_ptr () from E:\Dev\Library\ffmpeg\bin\avfilter-6.dll
    
#5  0x00007ff8c38ab097 in msvcrt!_beginthreadex () from C:\Windows\system32\msvcrt.dll
    
#6  0x00007ff8c38ab16c in msvcrt!_endthreadex () from C:\Windows\system32\msvcrt.dll
    
#7  0x00007ff8c3e58102 in KERNEL32!BaseThreadInitThunk () from C:\Windows\system32\kernel32.dll
    
#8  0x00007ff8c47bc264 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
    
#9  0x0000000000000000 in ?? ()
    
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
    

    
Thread 17 (Thread 6352.0x504):
    
#0  0x00007ff8c4808404 in ntdll!ZwWaitForAlertByThreadId () from C:\Windows\SYSTEM32\ntdll.dll
    
#1  0x00007ff8c47c7810 in ntdll!RtlSleepConditionVariableCS () from C:\Windows\SYSTEM32\ntdll.dll
    
#2  0x00007ff8c0e2bb47 in SleepConditionVariableCS () from C:\Windows\system32\KernelBase.dll
    
#3  0x00007ff896f59420 in avfilter_graph_parse_ptr () from E:\Dev\Library\ffmpeg\bin\avfilter-6.dll
    
#4  0x00007ff896f5935f in avfilter_graph_parse_ptr () from E:\Dev\Library\ffmpeg\bin\avfilter-6.dll
    
#5  0x00007ff8c38ab097 in msvcrt!_beginthreadex () from C:\Windows\system32\msvcrt.dll
    
---Type <return> to continue, or q <return> to quit---
    
#6  0x00007ff8c38ab16c in msvcrt!_endthreadex () from C:\Windows\system32\msvcrt.dll
    
#7  0x00007ff8c3e58102 in KERNEL32!BaseThreadInitThunk () from C:\Windows\system32\kernel32.dll
    
#8  0x00007ff8c47bc264 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
    
#9  0x0000000000000000 in ?? ()
    
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
    

    
Thread 16 (Thread 6352.0x12d0):
    
#0  0x00007ff8c4808404 in ntdll!ZwWaitForAlertByThreadId () from C:\Windows\SYSTEM32\ntdll.dll
    
#1  0x00007ff8c47c7810 in ntdll!RtlSleepConditionVariableCS () from C:\Windows\SYSTEM32\ntdll.dll
    
#2  0x00007ff8c0e2bb47 in SleepConditionVariableCS () from C:\Windows\system32\KernelBase.dll
    
#3  0x00007ff896f59420 in avfilter_graph_parse_ptr () from E:\Dev\Library\ffmpeg\bin\avfilter-6.dll
    
#4  0x00007ff896f5935f in avfilter_graph_parse_ptr () from E:\Dev\Library\ffmpeg\bin\avfilter-6.dll
    
#5  0x00007ff8c38ab097 in msvcrt!_beginthreadex () from C:\Windows\system32\msvcrt.dll
    
#6  0x00007ff8c38ab16c in msvcrt!_endthreadex () from C:\Windows\system32\msvcrt.dll
    
#7  0x00007ff8c3e58102 in KERNEL32!BaseThreadInitThunk () from C:\Windows\system32\kernel32.dll
    
#8  0x00007ff8c47bc264 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
    
#9  0x0000000000000000 in ?? ()
    
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
    

    
Thread 15 (Thread 6352.0x7c8):
    
#0  0x00007ff8c4808404 in ntdll!ZwWaitForAlertByThreadId () from C:\Windows\SYSTEM32\ntdll.dll
    
#1  0x00007ff8c47c7810 in ntdll!RtlSleepConditionVariableCS () from C:\Windows\SYSTEM32\ntdll.dll
    
#2  0x00007ff8c0e2bb47 in SleepConditionVariableCS () from C:\Windows\system32\KernelBase.dll
    
#3  0x00007ff896f59420 in avfilter_graph_parse_ptr () from E:\Dev\Library\ffmpeg\bin\avfilter-6.dll
    
#4  0x00007ff896f5935f in avfilter_graph_parse_ptr () from E:\Dev\Library\ffmpeg\bin\avfilter-6.dll
    
#5  0x00007ff8c38ab097 in msvcrt!_beginthreadex () from C:\Windows\system32\msvcrt.dll
    
#6  0x00007ff8c38ab16c in msvcrt!_endthreadex () from C:\Windows\system32\msvcrt.dll
    
#7  0x00007ff8c3e58102 in KERNEL32!BaseThreadInitThunk () from C:\Windows\system32\kernel32.dll
    
#8  0x00007ff8c47bc264 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
    
---Type <return> to continue, or q <return> to quit---
    
#9  0x0000000000000000 in ?? ()
    
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
    

    
Thread 14 (Thread 6352.0xf08):
    
#0  0x00007ff8c4808404 in ntdll!ZwWaitForAlertByThreadId () from C:\Windows\SYSTEM32\ntdll.dll
    
#1  0x00007ff8c47c7810 in ntdll!RtlSleepConditionVariableCS () from C:\Windows\SYSTEM32\ntdll.dll
    
#2  0x00007ff8c0e2bb47 in SleepConditionVariableCS () from C:\Windows\system32\KernelBase.dll
    
#3  0x00007ff896f59420 in avfilter_graph_parse_ptr () from E:\Dev\Library\ffmpeg\bin\avfilter-6.dll
    
#4  0x00007ff896f5935f in avfilter_graph_parse_ptr () from E:\Dev\Library\ffmpeg\bin\avfilter-6.dll
    
#5  0x00007ff8c38ab097 in msvcrt!_beginthreadex () from C:\Windows\system32\msvcrt.dll
    
#6  0x00007ff8c38ab16c in msvcrt!_endthreadex () from C:\Windows\system32\msvcrt.dll
    
#7  0x00007ff8c3e58102 in KERNEL32!BaseThreadInitThunk () from C:\Windows\system32\kernel32.dll
    
#8  0x00007ff8c47bc264 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
    
#9  0x0000000000000000 in ?? ()
    
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
    

    
Thread 13 (Thread 6352.0x1bb0):
    
#0  0x00007ff8c4808404 in ntdll!ZwWaitForAlertByThreadId () from C:\Windows\SYSTEM32\ntdll.dll
    
#1  0x00007ff8c47c7810 in ntdll!RtlSleepConditionVariableCS () from C:\Windows\SYSTEM32\ntdll.dll
    
#2  0x00007ff8c0e2bb47 in SleepConditionVariableCS () from C:\Windows\system32\KernelBase.dll
    
#3  0x00007ff896f59420 in avfilter_graph_parse_ptr () from E:\Dev\Library\ffmpeg\bin\avfilter-6.dll
    
#4  0x00007ff896f5935f in avfilter_graph_parse_ptr () from E:\Dev\Library\ffmpeg\bin\avfilter-6.dll
    
#5  0x00007ff8c38ab097 in msvcrt!_beginthreadex () from C:\Windows\system32\msvcrt.dll
    
#6  0x00007ff8c38ab16c in msvcrt!_endthreadex () from C:\Windows\system32\msvcrt.dll
    
#7  0x00007ff8c3e58102 in KERNEL32!BaseThreadInitThunk () from C:\Windows\system32\kernel32.dll
    
#8  0x00007ff8c47bc264 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
    
#9  0x0000000000000000 in ?? ()
    
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
    

    
---Type <return> to continue, or q <return> to quit---
    
Thread 12 (Thread 6352.0x1f14):
    
#0  0x00007ff8c4808404 in ntdll!ZwWaitForAlertByThreadId () from C:\Windows\SYSTEM32\ntdll.dll
    
#1  0x00007ff8c47c7810 in ntdll!RtlSleepConditionVariableCS () from C:\Windows\SYSTEM32\ntdll.dll
    
#2  0x00007ff8c0e2bb47 in SleepConditionVariableCS () from C:\Windows\system32\KernelBase.dll
    
#3  0x00007ff896f59420 in avfilter_graph_parse_ptr () from E:\Dev\Library\ffmpeg\bin\avfilter-6.dll
    
#4  0x00007ff896f5935f in avfilter_graph_parse_ptr () from E:\Dev\Library\ffmpeg\bin\avfilter-6.dll
    
#5  0x00007ff8c38ab097 in msvcrt!_beginthreadex () from C:\Windows\system32\msvcrt.dll
    
#6  0x00007ff8c38ab16c in msvcrt!_endthreadex () from C:\Windows\system32\msvcrt.dll
    
#7  0x00007ff8c3e58102 in KERNEL32!BaseThreadInitThunk () from C:\Windows\system32\kernel32.dll
    
#8  0x00007ff8c47bc264 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
    
#9  0x0000000000000000 in ?? ()
    
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
    

    
Thread 11 (Thread 6352.0x1d00):
    
#0  0x00007ff8c4808404 in ntdll!ZwWaitForAlertByThreadId () from C:\Windows\SYSTEM32\ntdll.dll
    
#1  0x00007ff8c47c7810 in ntdll!RtlSleepConditionVariableCS () from C:\Windows\SYSTEM32\ntdll.dll
    
#2  0x00007ff8c0e2bb47 in SleepConditionVariableCS () from C:\Windows\system32\KernelBase.dll
    
#3  0x00007ff896f59420 in avfilter_graph_parse_ptr () from E:\Dev\Library\ffmpeg\bin\avfilter-6.dll
    
#4  0x00007ff896f5935f in avfilter_graph_parse_ptr () from E:\Dev\Library\ffmpeg\bin\avfilter-6.dll
    
#5  0x00007ff8c38ab097 in msvcrt!_beginthreadex () from C:\Windows\system32\msvcrt.dll
    
#6  0x00007ff8c38ab16c in msvcrt!_endthreadex () from C:\Windows\system32\msvcrt.dll
    
#7  0x00007ff8c3e58102 in KERNEL32!BaseThreadInitThunk () from C:\Windows\system32\kernel32.dll
    
#8  0x00007ff8c47bc264 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
    
#9  0x0000000000000000 in ?? ()
    
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
    

    
Thread 10 (Thread 6352.0x544):
    
#0  0x00007ff8c4808404 in ntdll!ZwWaitForAlertByThreadId () from C:\Windows\SYSTEM32\ntdll.dll
    
#1  0x00007ff8c47c7810 in ntdll!RtlSleepConditionVariableCS () from C:\Windows\SYSTEM32\ntdll.dll
    
---Type <return> to continue, or q <return> to quit---
    
#2  0x00007ff8c0e2bb47 in SleepConditionVariableCS () from C:\Windows\system32\KernelBase.dll
    
#3  0x00007ff896f59420 in avfilter_graph_parse_ptr () from E:\Dev\Library\ffmpeg\bin\avfilter-6.dll
    
#4  0x00007ff896f5935f in avfilter_graph_parse_ptr () from E:\Dev\Library\ffmpeg\bin\avfilter-6.dll
    
#5  0x00007ff8c38ab097 in msvcrt!_beginthreadex () from C:\Windows\system32\msvcrt.dll
    
#6  0x00007ff8c38ab16c in msvcrt!_endthreadex () from C:\Windows\system32\msvcrt.dll
    
#7  0x00007ff8c3e58102 in KERNEL32!BaseThreadInitThunk () from C:\Windows\system32\kernel32.dll
    
#8  0x00007ff8c47bc264 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
    
#9  0x0000000000000000 in ?? ()
    
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
    

    
Thread 9 (Thread 6352.0xdac):
    
#0  0x00007ff8c48058a4 in ntdll!ZwWaitForMultipleObjects () from C:\Windows\SYSTEM32\ntdll.dll
    
#1  0x00007ff8c0e53b2f in WaitForMultipleObjectsEx () from C:\Windows\system32\KernelBase.dll
    
#2  0x00007ff8a2d4428b in ksproxy!DllUnregisterServer () from C:\Windows\System32\ksproxy.ax
    
#3  0x00007ff8c3e58102 in KERNEL32!BaseThreadInitThunk () from C:\Windows\system32\kernel32.dll
    
#4  0x00007ff8c47bc264 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
    
#5  0x0000000000000000 in ?? ()
    
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
    

    
Thread 8 (Thread 6352.0x17b0):
    
#0  0x00007ff8c4804dd4 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
    
#1  0x00007ff8c0e2aadf in WaitForSingleObjectEx () from C:\Windows\system32\KernelBase.dll
    
#2  0x00007ff8a2d5a8bb in ksproxy!KsResolveRequiredAttributes () from C:\Windows\System32\ksproxy.ax
    
#3  0x00007ff8c3e58102 in KERNEL32!BaseThreadInitThunk () from C:\Windows\system32\kernel32.dll
    
#4  0x00007ff8c47bc264 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
    
#5  0x0000000000000000 in ?? ()
    
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
    

    
Thread 7 (Thread 6352.0x1f70):
    
---Type <return> to continue, or q <return> to quit---
    
#0  0x00007ff8c4804dd4 in ntdll!ZwWaitForSingleObject () from C:\Windows\SYSTEM32\ntdll.dll
    
#1  0x00007ff8c0e2aadf in WaitForSingleObjectEx () from C:\Windows\system32\KernelBase.dll
    
#2  0x00007ff896241b63 in ?? () from C:\Windows\System32\quartz.dll
    
#3  0x00007ff8c3e58102 in KERNEL32!BaseThreadInitThunk () from C:\Windows\system32\kernel32.dll
    
#4  0x00007ff8c47bc264 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
    
#5  0x0000000000000000 in ?? ()
    
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
    

    
Thread 6 (Thread 6352.0x12fc):
    
#0  0x00007ff8c48058a4 in ntdll!ZwWaitForMultipleObjects () from C:\Windows\SYSTEM32\ntdll.dll
    
#1  0x00007ff8c0e53b2f in WaitForMultipleObjectsEx () from C:\Windows\system32\KernelBase.dll
    
#2  0x00007ff8c0e53a2e in WaitForMultipleObjects () from C:\Windows\system32\KernelBase.dll
    
#3  0x00007ff8a2d5b312 in ksproxy!KsResolveRequiredAttributes () from C:\Windows\System32\ksproxy.ax
    
#4  0x00007ff8c3e58102 in KERNEL32!BaseThreadInitThunk () from C:\Windows\system32\kernel32.dll
    
#5  0x00007ff8c47bc264 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
    
#6  0x0000000000000000 in ?? ()
    
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
    

    
Thread 5 (Thread 6352.0x1e6c):
    
#0  0x00007ff8c32a1f74 in USER32!InvalidateRect () from C:\Windows\system32\user32.dll
    
#1  0x00007ff8c3292e15 in USER32!GetMessageW () from C:\Windows\system32\user32.dll
    
#2  0x00007ff89628ac1d in QUARTZ!AMGetErrorTextW () from C:\Windows\System32\quartz.dll
    
#3  0x00007ff8c3e58102 in KERNEL32!BaseThreadInitThunk () from C:\Windows\system32\kernel32.dll
    
#4  0x00007ff8c47bc264 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
    
#5  0x0000000000000000 in ?? ()
    
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
    

    
Thread 4 (Thread 6352.0x1a7c):
    
#0  0x00007ff8c4808464 in ntdll!ZwWaitForWorkViaWorkerFactory () from C:\Windows\SYSTEM32\ntdll.dll
    
---Type <return> to continue, or q <return> to quit---
    
#1  0x00007ff8c478b2e8 in ntdll!RtlAcquireSRWLockShared () from C:\Windows\SYSTEM32\ntdll.dll
    
#2  0x00007ff8c3e58102 in KERNEL32!BaseThreadInitThunk () from C:\Windows\system32\kernel32.dll
    
#3  0x00007ff8c47bc264 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
    
#4  0x0000000000000000 in ?? ()
    
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
    

    
Thread 3 (Thread 6352.0x13b0):
    
#0  0x00007ff8c4808464 in ntdll!ZwWaitForWorkViaWorkerFactory () from C:\Windows\SYSTEM32\ntdll.dll
    
#1  0x00007ff8c478b2e8 in ntdll!RtlAcquireSRWLockShared () from C:\Windows\SYSTEM32\ntdll.dll
    
#2  0x00007ff8c3e58102 in KERNEL32!BaseThreadInitThunk () from C:\Windows\system32\kernel32.dll
    
#3  0x00007ff8c47bc264 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
    
#4  0x0000000000000000 in ?? ()
    
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
    

    
Thread 2 (Thread 6352.0x214c):
    
#0  0x00007ff8c4808464 in ntdll!ZwWaitForWorkViaWorkerFactory () from C:\Windows\SYSTEM32\ntdll.dll
    
#1  0x00007ff8c478b2e8 in ntdll!RtlAcquireSRWLockShared () from C:\Windows\SYSTEM32\ntdll.dll
    
#2  0x00007ff8c3e58102 in KERNEL32!BaseThreadInitThunk () from C:\Windows\system32\kernel32.dll
    
#3  0x00007ff8c47bc264 in ntdll!RtlUserThreadStart () from C:\Windows\SYSTEM32\ntdll.dll
    
#4  0x0000000000000000 in ?? ()
    
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
    

    
Thread 1 (Thread 6352.0xc70):
    
#0  0x00007ff894fd08af in avpriv_mpegts_parse_close () from E:\Dev\Library\ffmpeg\bin\avformat-57.dll
    
#1  0x00007ff894fd499b in avformat-57!av_get_output_timestamp () from E:\Dev\Library\ffmpeg\bin\avformat-57.dll
    
#2  0x00007ff89502dbae in ff_rtsp_parse_line () from E:\Dev\Library\ffmpeg\bin\avformat-57.dll
    
#3  0x00007ff894fd3ded in avformat-57!av_interleaved_write_frame () from E:\Dev\Library\ffmpeg\bin\avformat-57.dll
    
#4  0x000000014001ab18 in ?? ()
    
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
    
</return></return></return></return></return></return></return></return></return></return></return></return>

  • Should H.264 bit rate be multiples of 8 ?

    31 août 2016, par Dan Sharp

    I’m working on a video platform receiving H.264 video and building an HLS stream (transmuxing the H.264 to Mpeg2 TS segments via calls to ffmpeg).

    I wanted to set the bit rate to be about 2000 kbps, but I’m wondering : does it matter if it’s 2000 or 2048 ?

    In other words, do things calculate better if the bit rate is multiples of 8, like 512 or 2024 or 2048 ?

    I don’t know enough about how the bit rate is used, either on the sending side (camera) or on the processing side (ffmpeg).

    From tests... I can’t see any noticeable difference between 2000 and 2048, but maybe one is slightly better than another for the transmuxing and segmenting ?

    I welcome any thoughts/advice.

  • FFMPEG wmv conversion to flv

    25 novembre 2012, par Brandon Grossutti

    anyone using ffmpeg

    I have a fairly simple wmv exported by a user from movie maker with standard output and want to convert to .flv using

    C :>ffmpeg -i "E :\Jab Core 4 Recounters.wmv" -vcodec flv "C :\Net Projects\SVN\IntegratedAlgorithmics\src\MediaAdmin\MediaAdmin\bin\Debug\Movies\Jab Core 4 Recounters.flv" -ar 44100

    the output / error i receive is

    FFmpeg version 0.5, Copyright (c) 2000-2009 Fabrice Bellard, et al.
    
  configuration: --enable-gpl --enable-postproc --enable-swscale --enable-avfilt
    
er --enable-avfilter-lavf --enable-pthreads --enable-avisynth --enable-libfaac -
    
-enable-libfaad --enable-libmp3lame --enable-libspeex --enable-libtheora --enabl
    
e-libvorbis --enable-libxvid --enable-libx264 --enable-memalign-hack
    
  libavutil     49.15. 0 / 49.15. 0
    
  libavcodec    52.20. 0 / 52.20. 0
    
  libavformat   52.31. 0 / 52.31. 0
    
  libavdevice   52. 1. 0 / 52. 1. 0
    
  libavfilter    0. 4. 0 /  0. 4. 0
    
  libswscale     0. 7. 1 /  0. 7. 1
    
  libpostproc   51. 2. 0 / 51. 2. 0
    
  built on Mar 16 2009 16:09:18, gcc: 4.2.4 [Sherpya]
    
[wmv3 @ 0x1c0d490]Extra data: 8 bits left, value: 0
    

    
Seems stream 1 codec frame rate differs from container frame rate: 1000.00 (1000
    
/1) -> 30.00 (30/1)
    
Input #0, asf, from &#39;E:\Jab Core 4 Recounters.wmv&#39;:
    
  Duration: 00:01:55.99, start: 5.000000, bitrate: 813 kb/s
    
    Stream #0.0: Audio: wmav2, 48000 Hz, stereo, s16, 192 kb/s
    
    Stream #0.1: Video: wmv3, yuv420p, 640x480, 586 kb/s, 30 tbr, 1k tbn, 1k tbc
    

    
Output #0, flv, to &#39;C:\Net Projects\SVN\IntegratedAlgorithmics\src\MediaAdmin\Me
    
diaAdmin\bin\Debug\Movies\Jab Core 4 Recounters.flv&#39;:
    
    Stream #0.0: Video: flv, yuv420p, 640x480, q=2-31, 200 kb/s, 90k tbn, 30 tbc
    

    
    Stream #0.1: Audio: libmp3lame, 48000 Hz, stereo, s16, 64 kb/s
    
Stream mapping:
    
  Stream #0.1 -> #0.0
    
  Stream #0.0 -> #0.1
    
[wmv3 @ 0x1c0d490]Extra data: 8 bits left, value: 0
    
[libmp3lame @ 0x1c0d8d0]flv does not support that sample rate, choose from (4410
    
0, 22050, 11025).
    
Could not write header for output file #0 (incorrect codec parameters ?)

    i added th -ar switch when i got the error the first time

    the codec info i have on the file is as follows

    General
    
Complete name                    : E:\Jab Core 4 Recounters.wmv
    
Format                           : Windows Media
    
File size                        : 11.3 MiB
    
Duration                         : 2mn 0s
    
Overall bit rate mode            : Variable
    
Overall bit rate                 : 780 Kbps
    
Maximum Overall bit rate         : 949 Kbps
    
Encoded date                     : UTC 2009-03-07 07:02:41.121
    
Writing application              :  6.0.6000.16386 / Windows Movie Maker
    
Application                      : Windows Movie Maker 6.0.6000.16386
    

    
Video
    
ID                               : 2
    
Format                           : VC-1
    
Format profile                   : MP@ML
    
Codec ID                         : WMV3
    
Codec ID/Info                    : Windows Media Video 9
    
Codec ID/Hint                    : WMV3
    
Duration                         : 2mn 0s
    
Bit rate mode                    : Variable
    
Bit rate                         : 587 Kbps
    
Width                            : 640 pixels
    
Height                           : 480 pixels
    
Display aspect ratio             : 4/3
    
Frame rate                       : 30.000 fps
    
Resolution                       : 24 bits
    
Scan type                        : Progressive
    
Bits/(Pixel*Frame)               : 0.064
    
Stream size                      : 8.46 MiB (75%)
    
Language                         : en-us
    

    
Audio
    
ID                               : 1
    
Format                           : WMA2
    
Format profile                   : L3
    
Codec ID                         : 161
    
Codec ID/Info                    : Windows Media Audio 2
    
Description of the codec         : Windows Media Audio 9.2 - VBR Quality 90, 48 kHz, stereo 1-pass VBR
    
Duration                         : 2mn 0s
    
Bit rate mode                    : Variable
    
Bit rate                         : 186 Kbps
    
Channel(s)                       : 2 channels
    
Sampling rate                    : 48.0 KHz
    
Resolution                       : 16 bits
    
Stream size                      : 2.68 MiB (24%)
    
Language                         : en-us

    i see alot of people with this issue with so solution or cause

    any ideas would be helpful
    thanks in advance

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