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• Streaming Webcam using VLC +FFmpeg over lan - Error : cannot pre fill buffer

  23 juin 2016, par user1804015

  I’ve been trying to stream my webcam over lan using VLC and FFmpeg

  but I end up with the error "Main stream error : cannot pre fill buffer"

  Here is the code I’ve tried

  ffmpeg -f x11grab -s 1680x1050 -r 30 -i :0.0+0,0 -vf "movie=/dev/video0:f=video4linux2, scale=180:-1, setpts=PTS-STARTPTS [movie]; [in] setpts=PTS-STARTPTS, [movie] overlay=main_w-overlay_w-10:main_h-overlay_h-10 [out]" -f alsa -ac 2 -i pulse -vcodec libx264 -preset ultrafast -s 1280x768 -acodec libfaac -threads 0 -f mpegts - | vlc -I dummy - --sout '#std{access=http,mux=ts,dst=thalha:3030}'

  And this is the output

  VLC media player 1.1.9 The Luggage (revision exported)
  
  FFmpeg version 0.6.6-4:0.6.6-0ubuntu0.11.04.1, Copyright (c) 2000-2010 the Libav developers
  
    built on Jun 12 2012 16:28:21 with gcc 4.5.2
  
    configuration: --extra-version=4:0.6.6-0ubuntu0.11.04.1 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --disable-stripping --enable-runtime-cpudetect --enable-vaapi --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394 --enable-shared --disable-static
  
    WARNING: library configuration mismatch
  
    libavutil   configuration: --extra-version=4:0.6.6-1ubuntu1+medibuntu1 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib --enable-libdirac --enable-libgsm --enable-libopenjpeg --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --disable-stripping --enable-runtime-cpudetect --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-version3 --enable-vaapi --enable-libopenjpeg --enable-libfaac --enable-nonfree --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libfaad --enable-libdirac --enable-libfaad --enable-libmp3lame --enable-librtmp --enable-libx264 --enable-libxvid --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay
  
    libavcodec  configuration: --extra-version=4:0.6.6-0ubuntu0.11.04.1 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --disable-stripping --enable-runtime-cpudetect --enable-vaapi --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay
  
    libavformat configuration: --extra-version=4:0.6.6-0ubuntu0.11.04.1 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --disable-stripping --enable-runtime-cpudetect --enable-vaapi --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay
  
    libavdevice configuration: --extra-version=4:0.6.6-0ubuntu0.11.04.1 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --disable-stripping --enable-runtime-cpudetect --enable-vaapi --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay
  
    libavfilter configuration: --extra-version=4:0.6.6-0ubuntu0.11.04.1 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --disable-stripping --enable-runtime-cpudetect --enable-vaapi --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay
  
    libswscale  configuration: --extra-version=4:0.6.6-0ubuntu0.11.04.1 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --disable-stripping --enable-runtime-cpudetect --enable-vaapi --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay
  
    libpostproc configuration: --extra-version=4:0.6.6-0ubuntu0.11.04.1 --prefix=/usr --enable-avfilter --enable-avfilter-lavf --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --disable-stripping --enable-runtime-cpudetect --enable-vaapi --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394 --shlibdir=/usr/lib/i686/cmov --cpu=i686 --enable-shared --disable-static --disable-ffmpeg --disable-ffplay
  
    libavutil     50.15. 1 / 50.15. 1
  
    libavcodec    52.72. 2 / 52.72. 2
  
    libavformat   52.64. 2 / 52.64. 2
  
    libavdevice   52. 2. 0 / 52. 2. 0
  
    libavfilter    1.19. 0 /  1.19. 0
  
    libswscale     0.11. 0 /  0.11. 0
  
    libpostproc   51. 2. 0 / 51. 2. 0
  
  [x11grab @ 0x98e8420]device: :0.0+0,0 -> display: :0.0 x: 0 y: 0 width: 1680 height: 1050
  
  [x11grab @ 0x98e8420]shared memory extension  found
  
  X Error of failed request:  BadMatch (invalid parameter attributes)
  
    Major opcode of failed request:  140 (MIT-SHM)
  
    Minor opcode of failed request:  4 (X_ShmGetImage)
  
    Serial number of failed request:  11
  
    Current serial number in output stream:  11
  
  Warning: call to srand(1352225865)
  
  Warning: call to rand()
  
  Blocked: call to unsetenv("DBUS_ACTIVATION_ADDRESS")
  
  Blocked: call to unsetenv("DBUS_ACTIVATION_BUS_TYPE")
  
  [0x9782aec] dummy interface: using the dummy interface module...
  
  [0x987258c] main access out: creating httpd
  
  [0x98d0764] main stream error: cannot pre fill buffer

  Please help me to achieve this. Thanks in advance.

• M3U8. Convert all parts to mp4 [closed]

  5 juin 2020, par Zikrulloh Tolibjonov

  My name is Zikrullah. I have the m3u8 file of the serial. 1 m3u8 file contains all parts of the series and all audio languages for the player. The parts in it were saved in ts format for 10 seconds (as far as I understand). When I opened the m3u8 file, it contained a link to other m3u8 files. If I'm not mistaken, these are separate m3u8s for audio languages. but all m3u8 and ts files related to the video are on a other server. I need to upload all the files to my server while keeping them all in order. Of course using php. I'm sorry if I made a mistake. I don't know English well, but I tried :)

  


• Not getting required audio codec in ffmpeg

  5 juin 2020, par user13546893

  I am using Colab to run the code.

  



  import os, sys, re

video_file_path = "/content/drive/My Drive/1111/Mrs.Serial Killer 2020 1080p 10bit NF WEBRip Hindi DD+5.1 Atmos x265 HEVC ESub - MoviePirate - Telly.mkv" #@param {type:"string"}
os.environ['fileName'] = filename_raw
os.environ['fileExtension'] = file_extension_raw

!ffmpeg -hide_banner -i "$inputFile" -c copy -strict -2 "$outputPath"/"$fileName".mp4


  



  But the problem is after conversion of mkv video in mp4 format my html5 player can't play the audio. Video is running fine.
Output :

  



  ffmpeg version 3.4.6-0ubuntu0.18.04.1 Copyright (c) 2000-2019 the FFmpeg developers built with gcc 7 (Ubuntu 7.3.0-16ubuntu3) configuration: --prefix=/usr --extra-version=0ubuntu0.18.04.1
--toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-librsvg --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared libavutil 55. 78.100 / 55. 78.100 libavcodec 57.107.100 / 57.107.100 libavformat 57. 83.100 / 57. 83.100 libavdevice 57. 10.100 / 57.
10.100 libavfilter 6.107.100 / 6.107.100 libavresample 3. 7. 0 / 3. 7. 0 libswscale 4. 8.100 / 4. 8.100 libswresample 2. 9.100 / 2. 9.100 libpostproc 54. 7.100 / 54. 7.100 Input #0, matroska,webm, from '/content/drive/Shared drives/Vedant/1111/Mrs.Serial Killer 2020 1080p 10bit NF WEBRip Hindi DD+5.1 Atmos x265 HEVC ESub - MoviePirate - Telly.mkv': Metadata: title : MoviePirate.in | Mrs.Serial Killer 2020 1080p 10bit NF WEBRip Hindi DD+5.1 Atmos x265 HEVC ESub - MoviePirate
- Telly.mkv encoder : libebml v1.3.10 + libmatroska v1.5.2 creation_time : 2020-05-01T15:55:34.000000Z Duration: 01:46:56.51, start: 0.000000, bitrate: 2975 kb/s Stream #0:0: Video: hevc (Main 10), yuv420p10le(tv), 1920x960, SAR 1:1 DAR 2:1, 24 fps, 24 tbr, 1k tbn, 24 tbc (default) Metadata: title : MoviePirate.in BPS-eng : 2205883 DURATION-eng : 01:46:56.500000000 NUMBER_OF_FRAMES-eng: 153996 NUMBER_OF_BYTES-eng: 1769256160 _STATISTICS_WRITING_APP-eng: mkvmerge v44.0.0 ('Domino') 64-bit _STATISTICS_WRITING_DATE_UTC-eng: 2020-05-01 15:55:34 _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES Stream #0:1(hin): Audio: eac3, 48000 Hz, 5.1(side), fltp, 768 kb/s Metadata: title : MoviePirate.in BPS-eng : 768000 DURATION-eng : 01:46:56.512000000 NUMBER_OF_FRAMES-eng: 200516 NUMBER_OF_BYTES-eng: 615985152 _STATISTICS_WRITING_APP-eng: mkvmerge v44.0.0 ('Domino') 64-bit _STATISTICS_WRITING_DATE_UTC-eng: 2020-05-01 15:55:34 _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES Stream #0:2(eng): Subtitle: subrip Metadata: title : MoviePirate.in BPS-eng : 42 DURATION-eng : 01:41:50.375000000 NUMBER_OF_FRAMES-eng: 1123 NUMBER_OF_BYTES-eng: 32413
_STATISTICS_WRITING_APP-eng: mkvmerge v44.0.0 ('Domino') 64-bit _STATISTICS_WRITING_DATE_UTC-eng: 2020-05-01 15:55:34 _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES File '/content/drive/Shared drives/Vedant/1111//Mrs.Serial Killer 2020 1080p 10bit NF WEBRip Hindi DD+5.1 Atmos x265 HEVC ESub - MoviePirate
- Telly.mp4' already exists. Overwrite ? [y/N] y [mp4 @ 0x560897578c00] track 1: codec frame size is not set Output #0, mp4, to '/content/drive/Shared drives/Vedant/1111//Mrs.Serial Killer 2020 1080p 10bit NF WEBRip Hindi DD+5.1 Atmos x265 HEVC ESub - MoviePirate
- Telly.mp4': Metadata: title : MoviePirate.in | Mrs.Serial Killer 2020 1080p 10bit NF WEBRip Hindi DD+5.1 Atmos x265 HEVC ESub - MoviePirate - Telly.mkv encoder : Lavf57.83.100 Stream #0:0: Video: hevc (Main 10) (hev1 / 0x31766568), yuv420p10le(tv), 1920x960 [SAR 1:1 DAR 2:1], q=2-31, 24 fps, 24 tbr, 16k tbn, 1k tbc (default) Metadata: title : MoviePirate.in BPS-eng : 2205883 DURATION-eng : 01:46:56.500000000 NUMBER_OF_FRAMES-eng: 153996 NUMBER_OF_BYTES-eng: 1769256160 _STATISTICS_WRITING_APP-eng: mkvmerge v44.0.0 ('Domino') 64-bit _STATISTICS_WRITING_DATE_UTC-eng: 2020-05-01 15:55:34
_STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES Stream #0:1(hin): Audio: eac3 (ec-3 / 0x332D6365), 48000 Hz,
5.1(side), fltp, 768 kb/s Metadata: title : MoviePirate.in BPS-eng : 768000 DURATION-eng : 01:46:56.512000000 NUMBER_OF_FRAMES-eng: 200516 NUMBER_OF_BYTES-eng: 615985152 _STATISTICS_WRITING_APP-eng: mkvmerge v44.0.0 ('Domino') 64-bit _STATISTICS_WRITING_DATE_UTC-eng: 2020-05-01 15:55:34 _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES Stream mapping: Stream #0:0 -> #0:0 (copy) Stream #0:1
-> #0:1 (copy) Press [q] to stop, [?] for help frame=153996 fps=10450 q=-1.0 Lsize= 2334010kB time=01:46:56.48 bitrate=2979.9kbits/s speed= 435x video:1727789kB audio:601548kB subtitle:0kB other streams:0kB global headers:2kB muxing overhead: 0.200594%    ffmpeg version
3.4.6-0ubuntu0.18.04.1 Copyright (c) 2000-2019 the FFmpeg developers built with gcc 7 (Ubuntu 7.3.0-16ubuntu3) configuration: --prefix=/usr
--extra-version=0ubuntu0.18.04.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-librsvg --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared libavutil 55. 78.100 / 55. 78.100 libavcodec 57.107.100 / 57.107.100 libavformat 57. 83.100 / 57. 83.100 libavdevice 57. 10.100 / 57.
10.100 libavfilter 6.107.100 / 6.107.100 libavresample 3. 7. 0 / 3. 7. 0 libswscale 4. 8.100 / 4. 8.100 libswresample 2. 9.100 / 2. 9.100 libpostproc 54. 7.100 / 54. 7.100 Input #0, matroska,webm, from '/content/drive/Shared drives/Vedant/1111/Mrs.Serial Killer 2020 1080p 10bit NF WEBRip Hindi DD+5.1 Atmos x265 HEVC ESub - MoviePirate - Telly.mkv': Metadata: title : MoviePirate.in | Mrs.Serial Killer 2020 1080p 10bit NF WEBRip Hindi DD+5.1 Atmos x265 HEVC ESub - MoviePirate
- Telly.mkv encoder : libebml v1.3.10 + libmatroska v1.5.2 creation_time : 2020-05-01T15:55:34.000000Z Duration: 01:46:56.51, start: 0.000000, bitrate: 2975 kb/s Stream #0:0: Video: hevc (Main 10), yuv420p10le(tv), 1920x960, SAR 1:1 DAR 2:1, 24 fps, 24 tbr, 1k tbn, 24 tbc (default) Metadata: title : MoviePirate.in BPS-eng : 2205883 DURATION-eng : 01:46:56.500000000 NUMBER_OF_FRAMES-eng: 153996 NUMBER_OF_BYTES-eng: 1769256160 _STATISTICS_WRITING_APP-eng: mkvmerge v44.0.0 ('Domino') 64-bit _STATISTICS_WRITING_DATE_UTC-eng: 2020-05-01 15:55:34 _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES Stream #0:1(hin): Audio: eac3, 48000 Hz, 5.1(side), fltp, 768 kb/s Metadata: title : MoviePirate.in BPS-eng : 768000 DURATION-eng : 01:46:56.512000000 NUMBER_OF_FRAMES-eng: 200516 NUMBER_OF_BYTES-eng: 615985152 _STATISTICS_WRITING_APP-eng: mkvmerge v44.0.0 ('Domino') 64-bit _STATISTICS_WRITING_DATE_UTC-eng: 2020-05-01 15:55:34 _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES Stream #0:2(eng): Subtitle: subrip Metadata: title : MoviePirate.in BPS-eng : 42 DURATION-eng : 01:41:50.375000000 NUMBER_OF_FRAMES-eng: 1123 NUMBER_OF_BYTES-eng: 32413
_STATISTICS_WRITING_APP-eng: mkvmerge v44.0.0 ('Domino') 64-bit _STATISTICS_WRITING_DATE_UTC-eng: 2020-05-01 15:55:34 _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES File '/content/drive/Shared drives/Vedant/1111//Mrs.Serial Killer 2020 1080p 10bit NF WEBRip Hindi DD+5.1 Atmos x265 HEVC ESub - MoviePirate
- Telly.mp4' already exists. Overwrite ? [y/N] y [mp4 @ 0x560897578c00] track 1: codec frame size is not set Output #0, mp4, to '/content/drive/Shared drives/Vedant/1111//Mrs.Serial Killer 2020 1080p 10bit NF WEBRip Hindi DD+5.1 Atmos x265 HEVC ESub - MoviePirate
- Telly.mp4': Metadata: title : MoviePirate.in | Mrs.Serial Killer 2020 1080p 10bit NF WEBRip Hindi DD+5.1 Atmos x265 HEVC ESub - MoviePirate - Telly.mkv encoder : Lavf57.83.100 Stream #0:0: Video: hevc (Main 10) (hev1 / 0x31766568), yuv420p10le(tv), 1920x960 [SAR 1:1 DAR 2:1], q=2-31, 24 fps, 24 tbr, 16k tbn, 1k tbc (default) Metadata: title : MoviePirate.in BPS-eng : 2205883 DURATION-eng : 01:46:56.500000000 NUMBER_OF_FRAMES-eng: 153996 NUMBER_OF_BYTES-eng: 1769256160 _STATISTICS_WRITING_APP-eng: mkvmerge v44.0.0 ('Domino') 64-bit _STATISTICS_WRITING_DATE_UTC-eng: 2020-05-01 15:55:34
_STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES Stream #0:1(hin): Audio: eac3 (ec-3 / 0x332D6365), 48000 Hz,
5.1(side), fltp, 768 kb/s Metadata: title : MoviePirate.in BPS-eng : 768000 DURATION-eng : 01:46:56.512000000 NUMBER_OF_FRAMES-eng: 200516 NUMBER_OF_BYTES-eng: 615985152 _STATISTICS_WRITING_APP-eng: mkvmerge v44.0.0 ('Domino') 64-bit _STATISTICS_WRITING_DATE_UTC-eng: 2020-05-01 15:55:34 _STATISTICS_TAGS-eng: BPS DURATION NUMBER_OF_FRAMES NUMBER_OF_BYTES Stream mapping: Stream #0:0 -> #0:0 (copy) Stream #0:1
-> #0:1 (copy) Press [q] to stop, [?] for help frame=153996 fps=10450 q=-1.0 Lsize= 2334010kB time=01:46:56.48 bitrate=2979.9kbits/s speed= 435x video:1727789kB audio:601548kB subtitle:0kB other streams:0kB global headers:2kB muxing overhead: 0.200594%


  



  What changes should I do in the Code ?