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• Error while extracting subtitle from mkv or m2ts to srt with FFmpeg

  14 février 2013, par user2071701

  I need to extract subtitles from different video files to .srt format (to use it in html5 video).
  I tried a lot of variant i found with google. But every time i get this error :

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

  I think, this error means that ffmpeg can decode source subtitle but cant encode it to .srt format. All codecs a enabled (i compiled the later ffmpeg version from git a few times with a different configuration).

  Here is the output :

      # /usr/local/bin/ffmpeg -i /var/video/sources/Balbesy1.m2ts -an -vn  -copyinkf -scodec srt -f srt -y  sub.srt
  
  ffmpeg version N-49947-g9f16cb9 Copyright (c) 2000-2013 the FFmpeg developers
  
    built on Feb 14 2013 14:26:10 with gcc 4.4.5 (Debian 4.4.5-8)
  
    configuration: --enable-encoder=dvdsub --enable-decoder=dvdsub --enable-decoder=pgssub --enable-encoder=srt --enable-decoder=srt --enable-encoder=srt --enable-decoder=srt
  
    libavutil      52. 17.101 / 52. 17.101
  
    libavcodec     54. 91.103 / 54. 91.103
  
    libavformat    54. 63.100 / 54. 63.100
  
    libavdevice    54.  3.103 / 54.  3.103
  
    libavfilter     3. 37.101 /  3. 37.101
  
    libswscale      2.  2.100 /  2.  2.100
  
    libswresample   0. 17.102 /  0. 17.102
  
  [mpegts @ 0x2719040] Stream #5: not enough frames to estimate rate; consider increasing probesize
  
  [mpegts @ 0x2719040] Could not find codec parameters for stream 5 (Subtitle: hdmv_pgs_subtitle ([144][0][0][0] / 0x0090)): unspecified size
  
  Consider increasing the value for the 'analyzeduration' and 'probesize' options
  
  [NULL @ 0x271fec0] start time is not set in estimate_timings_from_pts
  
  Input #0, mpegts, from '/var/video/sources/Balbesy1.m2ts':
  
    Duration: 01:18:11.89, start: 599.958300, bitrate: 37378 kb/s
  
    Program 1 
  
      Stream #0:0[0x1011]: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 23.98 fps, 23.98 tbr, 90k tbn, 47.95 tbc
  
      Stream #0:1[0x1100]: Audio: dts (DTS-HD MA) ([134][0][0][0] / 0x0086), 48000 Hz, 5.1(side), fltp, 768 kb/s
  
      Stream #0:2[0x1101]: Audio: dts (DTS-HD MA) ([134][0][0][0] / 0x0086), 48000 Hz, 5.1(side), fltp, 768 kb/s
  
      Stream #0:3[0x1102]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, 5.1(side), fltp, 448 kb/s
  
      Stream #0:4[0x1103]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, 5.1(side), fltp, 448 kb/s
  
      Stream #0:5[0x1200]: Subtitle: hdmv_pgs_subtitle ([144][0][0][0] / 0x0090)
  
  Output #0, srt, to 'sub.srt':
  
      Stream #0:0: Subtitle: srt
  
  Stream mapping:
  
    Stream #0:5 -> #0:0 (pgssub -> srt)
  
  Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height

  sorry for my english

• Unable to transcode video using ffmpeg transcoder

  28 octobre 2014, par user1843970

  This question may be asked in different forums but still answer is not discovered yet.

  I am trying to play *.flv using Video Module and FFMPEG Converter.
  Whenever I upload any flv Video , I get the following message :-

  PHPVideoToolkit error : Execute error. It was not possible to encode "C :\xampp\htdocs\Resonance\sites\default\files\videos\original\barsandtone_3.flv" as FFmpeg returned an error. The error is with the video codec of the input file. FFmpeg reports the error to be "Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height".

  Installed Modules are :-

  Video - 7.x-2.9

  Video.js - 7.x-2.3 - Version : 4.0.3

  Video transcoder : FFmpeg / avconv : git : c2dd5a1

  JW Player

  All above are installed correctly.

  Configuration of Video Module :-

  Inside Player Tab of Video(admin/config/media/video/players), following has been configured :-

  

  A New FLV Preset has been created and added under Preset Tab of Video(admin/config/media/video/presets). Details are as Follows :-

  Preset name :- FLV Preset

  Video output extension :- FLV Flash Video

  Video codec :- H 263/H263-1996,H263+/H0-º1998/H263 Version 2(Not sure about Video Codec)

  FFmpeg video preset :- None

  Video quality :-None

  Video speed :- None

  Dimensions :- 640 X 360

  Aspect mode :- Preserve Aspect Ratio

  When I am uploading the video from content type then it extract the thumbnail as follows :-

  

  After saving the video it shows the following Mesage :-

  

  My gut feeling is that I am setting up wrong preset but I am not able to solve this problem out. Please help me as I am very close to my completion of project which would have been waste without solving the problem.

  Updated :-

  The Console message is as follows :-

  Reported errors

  PHPVideoToolkit error : Execute error. It was not possible to encode "C :\xampp\htdocs\Resonance\sites\default\files\videos\original\barsandtone_19.flv" as FFmpeg returned an error. Note, however the error was encountered on the second pass of the encoding process and the first pass appear to go fine. The error is with the video codec of the input file. FFmpeg reports the error to be "Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height".

  Executed commands and output

  /ffmpeg/ffmpeg.exe -i "C:\xampp\htdocs\Resonance\sites\default\files\videos\original\barsandtone_7.flv" -strict experimental -vcodec "h264" -s "320x180" -acodec "aac" -ac "2" -pass "1" -passlogfile "C:\xampp\tmp/1384191046-5281144682cfc-multipass"  -y C:\xampp\tmp/1384191046-5281144681e51.flv
  
  
  
  ffmpeg version N-49610-gc2dd5a1 Copyright (c) 2000-2013 the FFmpeg developers
  
    built on Feb  5 2013 13:26:02 with gcc 4.7.2 (GCC)
  
    configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetype --enable-libgsm --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
  
    libavutil      52. 17.101 / 52. 17.101
  
    libavcodec     54. 91.100 / 54. 91.100
  
    libavformat    54. 61.104 / 54. 61.104
  
    libavdevice    54.  3.103 / 54.  3.103
  
    libavfilter     3. 35.101 /  3. 35.101
  
    libswscale      2.  2.100 /  2.  2.100
  
    libswresample   0. 17.102 /  0. 17.102
  
    libpostproc    52.  2.100 / 52.  2.100
  
  [flv @ 00000000002fb860] max_analyze_duration 5000000 reached at 5018000 microseconds
  
  Input #0, flv, from 'C:\xampp\htdocs\Resonance\sites\default\files\videos\original\barsandtone_7.flv':
  
    Metadata:
  
      audiodelay      : 0
  
      canSeekToEnd    : true
  
    Duration: 00:00:06.00, start: 0.000000, bitrate: 118 kb/s
  
      Stream #0:0: Video: vp6f, yuv420p, 360x288, 409 kb/s, 1k tbr, 1k tbn, 1k tbc
  
      Stream #0:1: Audio: mp3, 44100 Hz, stereo, s16p, 96 kb/s
  
  [libx264 @ 0000000002457340] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2
  
  [libx264 @ 0000000002457340] profile Main, level 4.0
  
  [libx264 @ 0000000002457340] 264 - core 129 r2245 bc13772 - H.264/MPEG-4 AVC codec - Copyleft 2003-2013 - http://www.videolan.org/x264.html - options: cabac=1 ref=1 deblock=1:0:0 analyse=0x1:0 me=dia subme=2 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=0 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
  
  Output #0, flv, to 'C:\xampp\tmp/1384191046-5281144681e51.flv':
  
    Metadata:
  
      audiodelay      : 0
  
      canSeekToEnd    : true
  
      encoder         : Lavf54.61.104
  
      Stream #0:0: Video: h264 ([7][0][0][0] / 0x0007), yuv420p, 320x180, q=-1--1, pass 1, 1k tbn, 1k tbc
  
      Stream #0:1: Audio: aac ([10][0][0][0] / 0x000A), 44100 Hz, stereo, fltp, 128 kb/s
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (vp6f -> libx264)
  
    Stream #0:1 -> #0:1 (mp3 -> aac)
  
  Press [q] to stop, [?] for help
  
  frame=    2 fps=0.0 q=-1.0 Lsize=     102kB time=00:00:06.10 bitrate= 136.7kbits/s
  
  video:2kB audio:95kB subtitle:0 global headers:0kB muxing overhead 4.978013%
  
  [libx264 @ 0000000002457340] frame I:1     Avg QP:11.95  size:  1595
  
  [libx264 @ 0000000002457340] frame P:1     Avg QP: 2.00  size:    21
  
  [libx264 @ 0000000002457340] mb I  I16..4: 86.3%  0.0% 13.8%
  
  [libx264 @ 0000000002457340] mb P  I16..4:  0.4%  0.0%  0.0%  P16..4:  0.0%  0.0%  0.0%  0.0%  0.0%    skip:99.6%
  
  [libx264 @ 0000000002457340] coded y,uvDC,uvAC intra: 13.8% 40.7% 32.8% inter: 0.0% 0.0% 0.0%
  
  [libx264 @ 0000000002457340] i16 v,h,dc,p: 80% 15%  4%  0%
  
  [libx264 @ 0000000002457340] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 36% 42% 21%  0%  0%  0%  0%  0%  0%
  
  [libx264 @ 0000000002457340] i8c dc,h,v,p: 45% 24% 31%  0%
  
  [libx264 @ 0000000002457340] Weighted P-Frames: Y:0.0% UV:0.0%
  
  [libx264 @ 0000000002457340] kb/s:1.08
  
  
  
  /ffmpeg/ffmpeg.exe -i "C:\xampp\htdocs\Resonance\sites\default\files\videos\original\barsandtone_7.flv" -strict experimental -vcodec "h264" -s "320x180" -acodec "aac" -ac "2" -pass "2" -passlogfile "C:\xampp\tmp/1384191046-5281144682cfc-multipass"  -y C:\xampp\tmp/1384191046-5281144681e51.flv
  
  
  
  ffmpeg version N-49610-gc2dd5a1 Copyright (c) 2000-2013 the FFmpeg developers
  
    built on Feb  5 2013 13:26:02 with gcc 4.7.2 (GCC)
  
    configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetype --enable-libgsm --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
  
    libavutil      52. 17.101 / 52. 17.101
  
    libavcodec     54. 91.100 / 54. 91.100
  
    libavformat    54. 61.104 / 54. 61.104
  
    libavdevice    54.  3.103 / 54.  3.103
  
    libavfilter     3. 35.101 /  3. 35.101
  
    libswscale      2.  2.100 /  2.  2.100
  
    libswresample   0. 17.102 /  0. 17.102
  
    libpostproc    52.  2.100 / 52.  2.100
  
  [flv @ 00000000002fb860] max_analyze_duration 5000000 reached at 5018000 microseconds
  
  Input #0, flv, from 'C:\xampp\htdocs\Resonance\sites\default\files\videos\original\barsandtone_7.flv':
  
    Metadata:
  
      audiodelay      : 0
  
      canSeekToEnd    : true
  
    Duration: 00:00:06.00, start: 0.000000, bitrate: 118 kb/s
  
      Stream #0:0: Video: vp6f, yuv420p, 360x288, 409 kb/s, 1k tbr, 1k tbn, 1k tbc
  
      Stream #0:1: Audio: mp3, 44100 Hz, stereo, s16p, 96 kb/s
  
  [libx264 @ 00000000024e7340] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2
  
  [libx264 @ 00000000024e7340] constant rate-factor is incompatible with 2pass.
  
  Output #0, flv, to 'C:\xampp\tmp/1384191046-5281144681e51.flv':
  
    Metadata:
  
      audiodelay      : 0
  
      canSeekToEnd    : true
  
      Stream #0:0: Video: h264, yuv420p, 320x180, q=-1--1, pass 2, 90k tbn, 1k tbc
  
      Stream #0:1: Audio: none, 44100 Hz, stereo, fltp, 128 kb/s
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (vp6f -> libx264)
  
    Stream #0:1 -> #0:1 (mp3 -> aac)
  
  Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height

  I am not Unix Wizard to get the things out of this. Please help me in suggesting the right path.

• Encoding a readable movie by QuickTime using FFMPEG

  3 octobre 2014, par itamarb

  I’m trying to encode an image sequence using the following command :

  ffmpeg.exe -i %d.png -f mp4 -vcodec h264 test.mp4

  However, QuickTime failed to open this file or sometimes play a black movie, while this movie plays great in VLC player. Any suggestions how to make it play well in QuickTime ?

  Here is the output :

  ffmpeg.exe -i %d.png -f mp4 -vcodec libx264 13.mp4
  
  ffmpeg version N-49044-g89afa63 Copyright (c) 2000-2013 the FFmpeg developers
  
    built on Jan 19 2013 20:36:06 with gcc 4.7.2 (GCC)
  
    configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
  
  isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
  
  le-libass --enable-libbluray --enable-libcaca --enable-libfreetype --enable-libg
  
  sm --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --e
  
  nable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --e
  
  nable-libspeex --enable-libtheora --enable-libtwolame --enable-libvo-aacenc --en
  
  able-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable
  
  -libxavs --enable-libxvid --enable-zlib --enable-filter=frei0r
  
    libavutil      52. 15.100 / 52. 15.100
  
    libavcodec     54. 89.100 / 54. 89.100
  
    libavformat    54. 61.101 / 54. 61.101
  
    libavdevice    54.  3.102 / 54.  3.102
  
    libavfilter     3. 32.101 /  3. 32.101
  
    libswscale      2.  2.100 /  2.  2.100
  
    libswresample   0. 17.102 /  0. 17.102
  
    libpostproc    52.  2.100 / 52.  2.100
  
  [image2 @ 0221b940] max_analyze_duration 5000000 reached at 5000000 microseconds
  
  
  
  Input #0, image2, from '%d.png':
  
    Duration: 00:01:19.36, start: 0.000000, bitrate: N/A
  
      Stream #0:0: Video: png, rgb24, 639x480, 25 fps, 25 tbr, 25 tbn, 25 tbc
  
  [libx264 @ 0221edc0] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE
  
  4.2 AVX
  
  [libx264 @ 0221edc0] profile High 4:4:4 Predictive, level 3.0, 4:4:4 8-bit
  
  [libx264 @ 0221edc0] 264 - core 129 r2230 1cffe9f - H.264/MPEG-4 AVC codec - Cop
  
  yleft 2003-2012 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deb
  
  lock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 m
  
  e_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chro
  
  ma_qp_offset=4 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 in
  
  terlaced=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 scenecu
  
  t=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
  
  Output #0, mp4, to '13.mp4':
  
    Metadata:
  
      encoder         : Lavf54.61.101
  
      Stream #0:0: Video: h264 ([33][0][0][0] / 0x0021), yuv444p, 639x480, q=-1--1
  
  , 12800 tbn, 25 tbc
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (png -> libx264)
  
  Press [q] to stop, [?] for help
  
  frame=   76 fps=0.0 q=28.0 size=       3kB time=00:00:00.96 bitrate=  22.3kbits/
  
  frame=  156 fps=155 q=28.0 size=       7kB time=00:00:04.16 bitrate=  14.7kbits/
  
  frame=  219 fps=145 q=28.0 size=      12kB time=00:00:06.68 bitrate=  14.1kbits/
  
  frame=  283 fps=141 q=28.0 size=      16kB time=00:00:09.24 bitrate=  14.2kbits/
  
  frame=  352 fps=140 q=28.0 size=      25kB time=00:00:12.00 bitrate=  17.4kbits/