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• An error occured 'maybe incorrect parameters such as bit_rate, rate, width or height' when I encode my video

  17 mai 2019, par Crystal

  I always use this source code when I encode my videos. they are almost 1920x1080 videos.
  but An error occured when I tried to encode a 7680x3840 video.

      ffmpeg version 3.2.2 Copyright (c) 2000-2016 the FFmpeg developers
  
      built with gcc 5.4.0 (GCC)
  
      configuration: --enable-gpl --enable-version3 --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth --enable-bzlib --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-libopenh264 --enable-libopenjpeg --enable-libopus --enable-librtmp --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. 34.100 / 55. 34.100
  
      libavcodec     57. 64.101 / 57. 64.101
  
      libavformat    57. 56.100 / 57. 56.100
  
      libavdevice    57.  1.100 / 57.  1.100
  
      libavfilter     6. 65.100 /  6. 65.100
  
      libswscale      4.  2.100 /  4.  2.100
  
      libswresample   2.  3.100 /  2.  3.100
  
      libpostproc    54.  1.100 / 54.  1.100
  
      [avisynth @ 03af8040] Stream #0: not enough frames to estimate rate; consider increasing probesize
  
      Guessed Channel Layout for Input Stream #0.1 : stereo
  
      Input #0, avisynth, from 'a.mp4.avs':
  
      Duration: 00:00:01.85, start: 0.000000, bitrate: 2 kb/s
  
      Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 7680x3840, 60 fps, 60 tbr, 60 tbn, 60 tbc
  
      Stream #0:1: Audio: pcm_f32le, 48000 Hz, stereo, flt, 3072 kb/s
  
      [libx264 @ 054c5c20] VBV maxrate specified, but no bufsize, ignored
  
      [libx264 @ 054c5c20] frame MB size (480x240) > level limit (8192)
  
      [libx264 @ 054c5c20] DPB size (4 frames, 460800 mbs) > level limit (0 frames, 32768 mbs)
  
      [libx264 @ 054c5c20] MB rate (6912000) > level limit (245760)
  
      [libx264 @ 054c5c20] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2
  
      x264 [error]: malloc of size 152432416 failed
  
      Stream mapping:
  
      Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
  
      Stream #0:1 -> #0:1 (pcm_f32le (native) -> aac (native))
  
      Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height

  there is a strange message.
  ’malloc of size 152432416 failed’
  I think this is memory problem but I have no idea to solve this problem.

  This is avs file

      PluginPath = "D:\Application\Frame_Doubling_Set_Drag_And_Drop\ffmpeg-Convert-TrueMotion-x86_Newer_Svpflow\_exe\"
  
  
  
      LoadPlugin(PluginPath + "ffms2.dll")
  
      LoadPlugin(PluginPath + "svpflow1.dll")
  
      LoadPlugin(PluginPath + "svpflow2.dll")
  
      LoadPlugin(PluginPath + "mvtools2.dll")
  
  
  
      Video=FFVideoSource("a.mp4", threads=8) 
  
      Audio=FFAudioSource("a.mp4")
  
      Audiodub(Video, Audio)
  
  
  
      Import(PluginPath + "InterFrame2.avsi")
  
  
  
      InterFrame(GPU=true, Preset="Medium", FrameDouble=true, NewNum=60000, NewDen=1000, Cores=8)

  and this is batch file

      @echo off
  
  
  
      CD /D "%~dp1"
  
      cls
  
  
  
      set DestPath=%~dp1
  
  
  
      set Src0=%~nx1
  
      set Src1=%~n1
  
  
  
      set DestExt=.mp4
  
  
  
      set Dest0=%DestPath%\%Src1%-Cnv%DestExt%
  
      set Dest1=%DestPath%\%Src1%-Cnv-New%DestExt%
  
  
  
      set exe=%~dp0_exe\ffmpeg.exe
  
      set Opt1=-i
  
      set Opt2=-c:v libx264 -b:v 200000k -minrate 10k -maxrate 200000k -profile:v high -level 4.1 -pix_fmt yuv420p
  
      set Opt3=-c:a aac -ab 192k
  
      set Opt4=-f mp4
  
  
  
      If Not Exist "%Src0%" (echo. && echo  [ %Src0% ] Not Found. && echo. && pause && Goto End)
  
  
  
      If Exist "%Dest0%" set Dest0=%Dest1%
  
  
  
      "%exe%" %Opt1% "%Src0%" %Opt2% %Opt3% %Opt4% "%Dest0%"
  
  
  
      :End
  
      If Not Exist "%Dest0%" (echo. && pause)
  
      rem pause
  
      pause

  What’s my problem ?

• ffmpeg with -strict -2 : Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height

  8 juin 2018, par Bhumi Shah

  This is my command

  ffmpeg -i a.mp4 -asyncec libx264 -strict -2 -refs 6 -coder 1 -sc_threshold 40 -flags +loop -me_range 16 -subq 7 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4 -trellis 1 -b:a 128k -pass 1 -profile:v baseline -level:v 3.0 -s 1080x1920 a.mp4

  Here is the error i am getting

  ffmpeg version N-46084-gcae004cab-static https://johnvansickle.com/ffmpeg/  Copyright (c) 2000-2018 the FFmpeg developers
  
    built with gcc 6.3.0 (Debian 6.3.0-18+deb9u1) 20170516
  
    configuration: --enable-gpl --enable-version3 --enable-static --disable-debug --disable-ffplay --disable-indev=sndio --disable-outdev=sndio --cc=gcc-6 --enable-fontconfig --enable-frei0r --enable-gnutls --enable-gray --enable-libaom --enable-libfribidi --enable-libass --enable-libvmaf --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librubberband --enable-libsoxr --enable-libspeex --enable-libvorbis --enable-libopus --enable-libtheora --enable-libvidstab --enable-libvo-amrwbenc --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzimg
  
    libavutil      56. 18.102 / 56. 18.102
  
    libavcodec     58. 19.101 / 58. 19.101
  
    libavformat    58. 13.102 / 58. 13.102
  
    libavdevice    58.  4.100 / 58.  4.100
  
    libavfilter     7. 22.100 /  7. 22.100
  
    libswscale      5.  2.100 /  5.  2.100
  
    libswresample   3.  2.100 /  3.  2.100
  
    libpostproc    55.  2.100 / 55.  2.100
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'a.mp4':
  
    Metadata:
  
      major_brand     : mp42
  
      minor_version   : 0
  
      compatible_brands: mp42mp41
  
      creation_time   : 2018-01-17T06:39:29.000000Z
  
    Duration: 00:00:06.04, start: 0.000000, bitrate: 872 kb/s
  
      Stream #0:0(eng): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, bt709), 2160x3840, 534 kb/s, 30 fps, 30 tbr, 30k tbn, 60 tbc (default)
  
      Metadata:
  
        creation_time   : 2018-01-17T06:39:29.000000Z
  
        handler_name    : Alias Data Handler
  
        encoder         : AVC Coding
  
      Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 317 kb/s (default)
  
      Metadata:
  
        creation_time   : 2018-01-17T06:39:29.000000Z
  
        handler_name    : Alias Data Handler
  
  File 'a.mp4' already exists. Overwrite ? [y/N] y
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
  
    Stream #0:1 -> #0:1 (aac (native) -> aac (native))
  
  Press [q] to stop, [?] for help
  
  [libx264 @ 0x66327c0] frame MB size (68x120) > level limit (1620)
  
  [libx264 @ 0x66327c0] DPB size (1 frames, 8160 mbs) > level limit (0 frames, 8100 mbs)
  
  [libx264 @ 0x66327c0] MB rate (244800) > level limit (40500)
  
  [libx264 @ 0x66327c0] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2
  
  [libx264 @ 0x66327c0] ratecontrol_init: can't open stats file
  
  Error initializing output stream 0:0 -- Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height
  
  Conversion failed!

• h264 restream works when i have no audio in ffserver conf but does not work when i try to add audio

  27 février 2014, par Dnaso

  I am trying to restream an h264 video stream from a camera. All works well when I have NoAudio in my conf file. However when i add audio, even the video stream does not work. Has anyone ever encountered thiss ?

  ffmpeg -i rtsp ://*** -s 320x240 -vcodec copy -acodec copy -s 320x240 -ab 64k http://*:8091/feed1.ffm