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• FFMPEG error while converting flv1 (flv) -> h264 (libx264)

  3 juillet 2016, par Kalivarapu

  I am trying to covert flv format video to h264 codec with mp4 format video, but am facing the following error :

  Command I executed :

  ffmpeg -i input_video.flv -c:v libx264 output.mp4

  Error :
  Error while opening encoder for output stream #0:1 - maybe incorrect parameters such as bit_rate, rate, width or height

  Logs :

  ffmpeg version 2.7.2 Copyright (c) 2000-2015 the FFmpeg developers
  
    built with Apple LLVM version 6.1.0 (clang-602.0.53) (based on LLVM 3.6.0svn)
  
    configuration: --prefix=/usr/local/Cellar/ffmpeg/2.7.2 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --enable-opencl --cc=clang --host-cflags= --host-ldflags= --enable-libx264 --enable-libmp3lame --enable-libvo-aacenc --enable-libxvid --enable-vda
  
    libavutil      54. 27.100 / 54. 27.100
  
    libavcodec     56. 41.100 / 56. 41.100
  
    libavformat    56. 36.100 / 56. 36.100
  
    libavdevice    56.  4.100 / 56.  4.100
  
    libavfilter     5. 16.101 /  5. 16.101
  
    libavresample   2.  1.  0 /  2.  1.  0
  
    libswscale      3.  1.101 /  3.  1.101
  
    libswresample   1.  2.100 /  1.  2.100
  
    libpostproc    53.  3.100 / 53.  3.100
  
  Input #0, flv, from 'input.flv':
  
    Metadata:
  
      encoder         : Lavf53.24.2
  
    Duration: 00:00:53.32, start: 0.000000, bitrate: 787 kb/s
  
      Stream #0:0: Video: flv1, yuv420p, 320x240, 500 kb/s, 25 fps, 25 tbr, 1k tbn, 1k tbc
  
      Stream #0:1: Audio: aac (LC), 48000 Hz, 5.1, fltp, 384 kb/s
  
  [libx264 @ 0x7ff885000c00] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2
  
  [libx264 @ 0x7ff885000c00] profile High, level 1.3
  
  [libx264 @ 0x7ff885000c00] 264 - core 144 r2533 c8a773e - H.264/MPEG-4 AVC codec - Copyleft 2003-2015 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
  
  [libvo_aacenc @ 0x7ff885001e00] Unable to set encoding parameters
  
  Output #0, mp4, to 'output1.mp4':
  
    Metadata:
  
      encoder         : Lavf53.24.2
  
      Stream #0:0: Video: h264 (libx264), yuv420p, 320x240, q=-1--1, 25 fps, 25 tbn, 25 tbc
  
      Metadata:
  
        encoder         : Lavc56.41.100 libx264
  
      Stream #0:1: Audio: aac, 0 channels, 128 kb/s
  
      Metadata:
  
        encoder         : Lavc56.41.100 libvo_aacenc
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (flv1 (flv) -> h264 (libx264))
  
    Stream #0:1 -> #0:1 (aac (native) -> aac (libvo_aacenc))
  
  Error while opening encoder for output stream #0:1 - maybe incorrect parameters such as bit_rate, rate, width or height

  What could be the reason for this ?

• Ffmpeg : Audio/Video mixing but no sound

  14 janvier 2014, par user2914878

  I'm trying to add an audio file to a video file generated from images with FFmpeg.

  The command i am using on a Debian distrib is this one

  ffmpeg -r 1 -i edit%0d.jpg outputName.mp4 -i Test.mp3

  The video file is created but the audio is not working .

  Output : :

  > ffmpeg version 0.8.9-6:0.8.9-1, Copyright (c) 2000-2013 the Libav developers
  
    built on Nov  3 2013 00:54:50 with gcc 4.7.2
  
  *** THIS PROGRAM IS DEPRECATED ***
  
  This program is only provided for compatibility and will be removed in a future release. Please use avconv instead.
  
  [image2 @ 0x2283b20] max_analyze_duration reached
  
  Input #0, image2, from 'edit%0d.jpg':
  
    Duration: 00:00:24.00, start: 0.000000, bitrate: N/A
  
      Stream #0.0: Video: mjpeg, yuvj420p, 800x600 [PAR 1:1 DAR 4:3], 1 fps, 1 tbr, 1 tbn, 1 tbc
  
  [mp3 @ 0x22d8840] max_analyze_duration reached
  
  [mp3 @ 0x22d8840] Estimating duration from bitrate, this may be inaccurate
  
  Input #1, mp3, from 'Test.mp3':
  
    Duration: 00:00:46.04, start: 0.000000, bitrate: 128 kb/s
  
      Stream #1.0: Audio: mp3, 16000 Hz, mono, s16, 128 kb/s
  
  [buffer @ 0x2287480] w:800 h:600 pixfmt:yuvj420p
  
  [libx264 @ 0x22d7d20] using SAR=1/1
  
  [libx264 @ 0x22d7d20] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2 AVX
  
  [libx264 @ 0x22d7d20] profile Main, level 3.1
  
  [libx264 @ 0x22d7d20] 264 - core 123 r2189 35cf912 - H.264/MPEG-4 AVC codec - Copyleft 2003-2012 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x1:0x111 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=1 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=0 b_adapt=1 b_bias=0 direct=1 weightb=0 open_gop=1 weightp=2 keyint=250 keyint_min=1 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.25 aq=1:1.00
  
  Output #0, mp4, to '6953289.mp4':
  
    Metadata:
  
      encoder         : Lavf53.21.1
  
      Stream #0.0: Video: libx264, yuvj420p, 800x600 [PAR 1:1 DAR 4:3], q=-1--1, 1 tbn, 1 tbc
  
  Stream mapping:
  
    Stream #0.0 -> #0.0
  
  Press ctrl-c to stop encoding
  
  frame=   24 fps= 16 q=17.0 Lsize=    1247kB time=23.00 bitrate= 444.1kbits/s
  
  video:1246kB audio:0kB global headers:0kB muxing overhead 0.079555%
  
  frame I:1     Avg QP:14.91  size: 65650
  
  [libx264 @ 0x22d7d20] frame P:23    Avg QP:14.94  size: 52587
  
  [libx264 @ 0x22d7d20] mb I  I16..4: 11.8%  0.0% 88.2%
  
  [libx264 @ 0x22d7d20] mb P  I16..4: 29.8%  0.0% 60.5%  P16..4:  6.8%  0.2%  0.3%  0.0%  0.0%    skip: 2.4%
  
  [libx264 @ 0x22d7d20] coded y,uvDC,uvAC intra: 73.2% 58.6% 49.7% inter: 9.2% 8.0% 1.2%
  
  [libx264 @ 0x22d7d20] i16 v,h,dc,p: 56% 24%  6% 14%
  
  [libx264 @ 0x22d7d20] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 25% 22% 12%  7%  7%  7%  7%  7%  7%
  
  [libx264 @ 0x22d7d20] i8c dc,h,v,p: 60% 17% 13%  9%
  
  [libx264 @ 0x22d7d20] Weighted P-Frames: Y:17.4% UV:17.4%
  
  [libx264 @ 0x22d7d20] ref P L0: 12.9%  8.0% 66.4% 12.8%
  
  [libx264 @ 0x22d7d20] kb/s:425.05

  On Windows it is working fine, i tried multiple scenarios but i can't seem to find the issue, maybe a codec problem ?

  Thank you !

  Update :

  I manage to fix it this way :

  ffmpeg -r 1 -i edit%0d.jpg -i Test.mp3 -ar 44100 -strict experimental

• ffmpeg converting .mkv to .264

  13 octobre 2015, par V. Panchenko

  I want to convert .mkv to .264.
  I try to do it using ffmpeg :

  ffmpeg -i input.mkv -vcodec copy -acodec copy output.264

  It works without errors, but when I try to play output.264 using ffplay :

  ffplay -f h264 -i output.264

  ffplay response is :

  ffplay version N-75924-gd25c033 Copyright (c) 2003-2015 the FFmpeg developers
  
    built with gcc 5.2.0 (GCC)
  
    configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
  
  isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
  
  le-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --
  
  enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-l
  
  ibilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enab
  
  le-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --en
  
  able-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --ena
  
  ble-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc
  
   --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enabl
  
  e-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-lzma --ena
  
  ble-decklink --enable-zlib
  
    libavutil      55.  3.100 / 55.  3.100
  
    libavcodec     57.  5.100 / 57.  5.100
  
    libavformat    57.  3.100 / 57.  3.100
  
    libavdevice    57.  0.100 / 57.  0.100
  
    libavfilter     6. 11.100 /  6. 11.100
  
    libswscale      4.  0.100 /  4.  0.100
  
    libswresample   2.  0.100 /  2.  0.100
  
    libpostproc    54.  0.100 / 54.  0.100
  
  [h264 @ 03972220] sps_id 24 out of rangeq=    0KB sq=    0B f=0/0
  
  [h264 @ 03972220] missing picture in access unit with size 12836207
  
  [h264 @ 03972220] data partitioning is not implemented. Update your FFmpeg versi
  
  on to the newest one from Git. If the problem still occurs, it means that your f
  
  ile has a feature which has not been implemented.
  
  [h264 @ 03972220] If you want to help, upload a sample of this file to ftp://upl
  
  oad.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-deve
  
  l@ffmpeg.org)
  
  [h264 @ 03972220] data partitioning is not implemented. Update your FFmpeg versi
  
  on to the newest one from Git. If the problem still occurs, it means that your f
  
  ile has a feature which has not been implemented.
  
  [h264 @ 03972220] If you want to help, upload a sample of this file to ftp://upl
  
  oad.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-deve
  
  l@ffmpeg.org)
  
  [h264 @ 03972220] sps_id 24 out of range
  
  [h264 @ 03972220] data partitioning is not implemented. Update your FFmpeg versi
  
  on to the newest one from Git. If the problem still occurs, it means that your f
  
  ile has a feature which has not been implemented.
  
  [h264 @ 03972220] If you want to help, upload a sample of this file to ftp://upl
  
  oad.ffmpeg.org/incoming/ and contact the ffmpeg-devel mailing list. (ffmpeg-deve
  
  l@ffmpeg.org)
  
  [h264 @ 03972220] no frame!
  
  [h264 @ 039696e0] Stream #0: not enough frames to estimate rate; consider increa
  
  sing probesize
  
  [h264 @ 039696e0] decoding for stream 0 failed
  
  [h264 @ 039696e0] Could not find codec parameters for stream 0 (Video: h264, non
  
  e): unspecified size
  
  Consider increasing the value for the 'analyzeduration' and 'probesize' options
  
  Contagion.264: could not find codec parameters

  How I can fix it and convert .mkv to .264 correctly ?