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• ffmpeg 4.2.2 gives segmentation fault after a while

  2 février 2020, par Eric Feillant

  I have compiled ffmpeg 4.2.2 and it gives me a segmatation fault after a while and i don’t knw why, i put it the request and a part of the debug log file.
  My ffmpeg request :
  /usr/local/bin/ffmpeg -loglevel debug -use_wallclock_as_timestamps 1 -rtsp_transport tcp -i "rtsp ://root:My_PW@My_IP_Address:5541/live.sdp" -f image2 -loop 1 -i ./overlay_score_160.png -i ./partenaire.png -filter_complex ’overlay=x=2:y=1,overlay=(main_w-overlay_w)/2:y=1’ -framerate 25 -crf 18 -preset veryfast -g 50 -vcodec libx264 -acodec copy -f flv rtmp ://localhost/hls/stream1 -async 1 -vsync 1 2> debug.txt

  ffmpeg version 4.2.2-eric-01022020-FF422 Copyright (c) 2000-2019 the FFmpeg developers
  
    built with gcc 7 (Ubuntu 7.4.0-1ubuntu1~18.04.1)
  
    configuration: --prefix=/usr/local --enable-gpl --enable-version3 --enable-nonfree --disable-static --enable-shared --disable-debug --enable-avresample --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-pthreads --enable-libfreetype --enable-filters --enable-openssl --enable-runtime-cpudetect --enable-libxvid --enable-libfontconfig --enable-libspeex --extra-version=eric-01022020-FF422 --docdir=/usr/share/doc/ffmpeg-4.2.2
  
    libavutil      56. 31.100 / 56. 31.100
  
    libavcodec     58. 54.100 / 58. 54.100
  
    libavformat    58. 29.100 / 58. 29.100
  
    libavdevice    58.  8.100 / 58.  8.100
  
    libavfilter     7. 57.100 /  7. 57.100
  
    libavresample   4.  0.  0 /  4.  0.  0
  
    libswscale      5.  5.100 /  5.  5.100
  
    libswresample   3.  5.100 /  3.  5.100
  
    libpostproc    55.  5.100 / 55.  5.100
  
  Splitting the commandline.
  
  Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument 'debug'.
  
  Reading option '-use_wallclock_as_timestamps' ... matched as AVOption 'use_wallclock_as_timestamps' with argument '1'.
  
  Reading option '-rtsp_transport' ... matched as AVOption 'rtsp_transport' with argument 'tcp'.
  
  Reading option '-i' ... matched as input url with argument 'rtsp://root:MyPW@My_IP_Address:5541/live.sdp'.
  
  Reading option '-f' ... matched as option 'f' (force format) with argument 'image2'.
  
  Reading option '-loop' ... matched as AVOption 'loop' with argument '1'.
  
  Reading option '-i' ... matched as input url with argument './overlay_score_160.png'.
  
  Reading option '-i' ... matched as input url with argument './partenaire.png'.
  
  Reading option '-filter_complex' ... matched as option 'filter_complex' (create a complex filtergraph) with argument 'overlay=x=2:y=1,overlay=(main_w-overlay_w)/2:y=1'.
  
  Reading option '-framerate' ... matched as AVOption 'framerate' with argument '25'.
  
  Reading option '-crf' ... matched as AVOption 'crf' with argument '18'.
  
  Reading option '-preset' ... matched as AVOption 'preset' with argument 'veryfast'.
  
  Reading option '-g' ... matched as AVOption 'g' with argument '50'.
  
  Reading option '-vcodec' ... matched as option 'vcodec' (force video codec ('copy' to copy stream)) with argument 'libx264'.
  
  Reading option '-acodec' ... matched as option 'acodec' (force audio codec ('copy' to copy stream)) with argument 'copy'.
  
  Reading option '-f' ... matched as option 'f' (force format) with argument 'flv'.
  
  Reading option 'rtmp://localhost/hls/stream1' ... matched as output url.
  
  Reading option '-async' ... matched as option 'async' (audio sync method) with argument '1'.
  
  Reading option '-vsync' ... matched as option 'vsync' (video sync method) with argument '1'.
  
  Finished splitting the commandline.
  
  Parsing a group of options: global .
  
  Applying option loglevel (set logging level) with argument debug.
  
  Applying option filter_complex (create a complex filtergraph) with argument overlay=x=2:y=1,overlay=(main_w-overlay_w)/2:y=1.
  
  Applying option async (audio sync method) with argument 1.
  
  Applying option vsync (video sync method) with argument 1.
  
  Successfully parsed a group of options.
  
  Parsing a group of options: input url rtsp://root:MyPW@My_IP_Address:5541/live.sdp.
  
  Successfully parsed a group of options.
  
  
  
  ........
  
  
  
  [libx264 @ 0x55819256fc00] frame=24887 QP=17.51 NAL=2 Slice:P Poc:80  I:53   P:783  SKIP:38   size=8835 bytes
  
  [libx264 @ 0x55819256fc00] frame=24888 QP=21.08 NAL=2 Slice:B Poc:76  I:0    P:219  SKIP:655  size=254 bytes
  
  [h264 @ 0x5581925ca200] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 1
  
  [image2 @ 0x558192485380] Opening './overlay_score_160.png' for reading
  
  [file @ 0x7f32640080c0] Setting default whitelist 'file,crypto'
  
  [AVIOContext @ 0x7f3264008140] Statistics: 1988 bytes read, 0 seeks
  
  [Parsed_overlay_0 @ 0x5581927cbf00] n:20781.000000 t:831.281311 pos:nan x:2.000000 xi:2 y:1.000000 yi:0
  
  [Parsed_overlay_1 @ 0x5581927cdf00] n:20781.000000 t:831.281311 pos:nan x:258.000000 xi:258 y:1.000000 yi:0
  
  Clipping frame in rate conversion by 0.474174
  
  [libx264 @ 0x55819256fc00] frame=24889 QP=22.84 NAL=0 Slice:B Poc:74  I:0    P:7    SKIP:867  size=36 bytes
  
  [h264 @ 0x5581925e68c0] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 1
  
  [Parsed_overlay_0 @ 0x5581927cbf00] n:20782.000000 t:831.311122 pos:nan x:2.000000 xi:2 y:1.000000 yi:0
  
  [Parsed_overlay_1 @ 0x5581927cdf00] n:20782.000000 t:831.311122 pos:nan x:258.000000 xi:258 y:1.000000 yi:0
  
  Clipping frame in rate conversion by 0.580742
  
  [libx264 @ 0x55819256fc00] frame=24890 QP=22.80 NAL=0 Slice:B Poc:78  I:0    P:190  SKIP:684  size=167 bytes
  
  [h264 @ 0x558192603080] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 1
  
  [image2 @ 0x558192485380] Opening './overlay_score_160.png' for reading
  
  [file @ 0x7f3264007f80] Setting default whitelist 'file,crypto'
  
  [AVIOContext @ 0x7f3264008300] Statistics: 1988 bytes read, 0 seeks
  
  [Parsed_overlay_0 @ 0x5581927cbf00] n:20783.000000 t:831.351278 pos:nan x:2.000000 xi:2 y:1.000000 yi:0
  
  [Parsed_overlay_1 @ 0x5581927cdf00] n:20783.000000 t:831.351278 pos:nan x:258.000000 xi:258 y:1.000000 yi:0
  
  Clipping frame in rate conversion by 0.377281
  
  [libx264 @ 0x55819256fc00] frame=24891 QP=17.17 NAL=2 Slice:P Poc:88  I:1    P:230  SKIP:643  size=806 bytes
  
  frame=24917 fps= 30 q=24.0 size=   25410kB time=00:13:51.90 bitrate= 250.2kbits/s dup=6033 drop=1899 speed=   1x    ^M[h264 @ 0x55819261f840] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 1
  
  [image2 @ 0x558192485380] Opening './overlay_score_160.png' for reading
  
  [file @ 0x7f3264006d80] Setting default whitelist 'file,crypto'
  
  [AVIOContext @ 0x7f32640080c0] Statistics: 1988 bytes read, 0 seeks
  
  [Parsed_overlay_0 @ 0x5581927cbf00] n:20784.000000 t:831.372222 pos:nan x:2.000000 xi:2 y:1.000000 yi:0
  
  [Parsed_overlay_1 @ 0x5581927cdf00] n:20784.000000 t:831.372222 pos:nan x:258.000000 xi:258 y:1.000000 yi:0
  
  Past duration 0.749565 too large
  
  [libx264 @ 0x55819256fc00] frame=24892 QP=18.73 NAL=2 Slice:B Poc:84  I:0    P:29   SKIP:845  size=80 bytes
  
  [h264 @ 0x55819263c000] nal_unit_type: 1(Coded slice of a non-IDR picture), nal_ref_idc: 1
  
  [image2 @ 0x558192485380] Opening './overlay_score_160.png' for reading
  
  [file @ 0x7f3264007f80] Setting default whitelist 'file,crypto'
  
  [AVIOContext @ 0x7f32640080c0] Statistics: 1988 bytes read, 0 seeks
  
  [image2 @ 0x558192485380] Opening './overlay_score_160.png' for reading
  
  [file @ 0x7f3264006d80] Setting default whitelist 'file,crypto'
  
  [AVIOContext @ 0x7f32640080c0] Statistics: 1988 bytes read, 0 seeks

  Then i get "Segmentation fault" and ffmpeg exits

• FFMPEG video concatenation returning error : `Error reinitializing filters !`, `Invalid argument`, `Conversion failed !`

  2 février 2020, par PureStress

  I am attempting to concatenate .mp4 files. I am using fluent-ffmpeg and @ffmpeg-installer/ffmpeg Here is the pseudocode :

  let mergeClips = ffmpeg();
  
  for (let i = 0; i < 5; i++) {
  
      await downloadVideo(newUrl, './testVideos/0/' + i + '.mp4');
  
      mergeClips = mergeClips.mergeAdd('./testVideos/0/' + i + '.mp4');
  
  }
  
  mergeClips.mergeToFile('compilation.mp4', './temp');

  This results in errors. The following is the command sent by fluent-ffmpeg :

  ffmpeg -i ./testVideos/0/0.mp4 -i ./testVideos/0/6.mp4 -i ./testVideos/0/14.mp4 -i ./testVideos/0/15.mp4 -y -filter_complex concat=n=4:v=1:a=0 ./testVideos/0/compilation.mp4

  When I run the command manually, I receive the following :

  PS C:\path> ffmpeg -i ./testVideos/0/0.mp4 -i ./testVideos/0/6.mp4 -i ./testVideos/0/14.mp4 -i ./testVideos/0/15.mp4 -y -filter_complex concat=n=4:v=1:a=0 ./testVideos/0/compilation.mp4
  
  ffmpeg version 4.2.1 Copyright (c) 2000-2019 the FFmpeg developers
  
    built with gcc 9.1.1 (GCC) 20190807
  
    configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt
  
    libavutil      56. 31.100 / 56. 31.100
  
    libavcodec     58. 54.100 / 58. 54.100
  
    libavformat    58. 29.100 / 58. 29.100
  
    libavdevice    58.  8.100 / 58.  8.100
  
    libavfilter     7. 57.100 /  7. 57.100
  
    libswscale      5.  5.100 /  5.  5.100
  
    libswresample   3.  5.100 /  3.  5.100
  
    libpostproc    55.  5.100 / 55.  5.100
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from './testVideos/0/0.mp4':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      encoder         : Lavf58.12.100
  
    Duration: 00:00:04.49, start: 0.000000, bitrate: 257 kb/s
  
      Stream #0:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 460x460, 254 kb/s, 22.05 fps, 100 tbr, 12800 tbn, 200 tbc (default)
  
      Metadata:
  
        handler_name    : VideoHandler
  
  Input #1, mov,mp4,m4a,3gp,3g2,mj2, from './testVideos/0/6.mp4':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      encoder         : Lavf58.12.100
  
    Duration: 00:00:05.04, start: 0.000000, bitrate: 1088 kb/s
  
      Stream #1:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 720x404, 1086 kb/s, 24.01 fps, 100 tbr, 12800 tbn, 200 tbc (default)
  
      Metadata:
  
        handler_name    : VideoHandler
  
  Input #2, mov,mp4,m4a,3gp,3g2,mj2, from './testVideos/0/14.mp4':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      encoder         : Lavf58.12.100
  
    Duration: 00:00:26.99, start: 0.000000, bitrate: 52 kb/s
  
      Stream #2:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 250x444, 52 kb/s, 6 fps, 100 tbr, 12800 tbn, 200 tbc (default)
  
      Metadata:
  
        handler_name    : VideoHandler
  
  Input #3, mov,mp4,m4a,3gp,3g2,mj2, from './testVideos/0/15.mp4':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      encoder         : Lavf58.12.100
  
    Duration: 00:00:00.19, start: 0.000000, bitrate: 17599 kb/s
  
      Stream #3:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 1920x1080, 17564 kb/s, 36.84 fps, 33.33 tbr, 12800 tbn, 200 tbc (default)
  
      Metadata:
  
        handler_name    : VideoHandler
  
  Stream mapping:
  
    Stream #0:0 (h264) -> concat:in0:v0
  
    Stream #1:0 (h264) -> concat:in1:v0
  
    Stream #2:0 (h264) -> concat:in2:v0
  
    Stream #3:0 (h264) -> concat:in3:v0
  
    concat -> Stream #0:0 (libx264)
  
  Press [q] to stop, [?] for help
  
  [Parsed_concat_0 @ 000001768445cf40] Input link in1:v0 parameters (size 720x404, SAR 0:1) do not match the corresponding output link in0:v0 parameters (460x460, SAR 0:1)     
  
  [Parsed_concat_0 @ 000001768445cf40] Failed to configure output pad on Parsed_concat_0
  
  Error reinitializing filters!
  
  Failed to inject frame into filter network: Invalid argument
  
  Error while processing the decoded data for stream #3:0
  
  Conversion failed!

  The videos are downloading correctly.

  Does anybody know what’s going on here ?

• Visual Studio LNK2001 Error, despite using extern "C" for ffmpeg libraries in C++ [duplicate]

  1er février 2020, par Faizan Cassim

  This is what it looks like :

  ’’’

  extern "C"
  
  {
  
  #include "libavcodec/avcodec.h"
  
  #include "libavformat/avformat.h"
  
  #include "libavutil/avutil.h"
  
  };

  ’’’

  But I still get these errors when using the FFmpeg libraries in Visual Studio 2019

  1>AudioFile.obj : error LNK2001: unresolved external symbol avformat_open_input
  
  1>AudioFile.obj : error LNK2001: unresolved external symbol av_read_frame
  
  1>AudioFile.obj : error LNK2001: unresolved external symbol av_free
  
  1>AudioFile.obj : error LNK2001: unresolved external symbol av_get_sample_fmt_name
  
  1>AudioFile.obj : error LNK2001: unresolved external symbol avformat_close_input
  
  1>AudioFile.obj : error LNK2001: unresolved external symbol av_init_packet
  
  1>AudioFile.obj : error LNK2001: unresolved external symbol avcodec_receive_frame
  
  1>AudioFile.obj : error LNK2001: unresolved external symbol avcodec_open2
  
  1>AudioFile.obj : error LNK2001: unresolved external symbol av_sample_fmt_is_planar
  
  1>AudioFile.obj : error LNK2001: unresolved external symbol avcodec_close
  
  1>AudioFile.obj : error LNK2001: unresolved external symbol av_get_bytes_per_sample
  
  1>AudioFile.obj : error LNK2001: unresolved external symbol av_packet_unref
  
  1>AudioFile.obj : error LNK2001: unresolved external symbol avformat_find_stream_info
  
  1>AudioFile.obj : error LNK2001: unresolved external symbol av_find_best_stream
  
  1>AudioFile.obj : error LNK2001: unresolved external symbol av_frame_alloc

  I would be greatfull to anyone who could help me resolve this. I am using C++ for Windows.