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• Running frei0r filters with ffmpeg - "Could not find module 'pixeliz0r'."

  4 avril 2016, par ksloan

  I installed frei0r using homebrew

  MacK:tmp kevin$ brew list frei0r
  
  /usr/local/Cellar/frei0r/1.4/include/frei0r.h
  
  /usr/local/Cellar/frei0r/1.4/lib/frei0r-1/ (119 files)
  
  /usr/local/Cellar/frei0r/1.4/lib/pkgconfig/frei0r.pc
  
  /usr/local/Cellar/frei0r/1.4/share/doc/ (4 files)

  Then I installed ffmpeg with the --with-frei0r flag, and everything compiled fine

  brew install ffmpeg --with-fdk-aac --with-ffplay --with-freetype --with-libass --with-libquvi --with-libvorbis --with-libvpx --with-opus --with-x265 --with-frei0r

  I tried telling ffmpeg where my frie0r filters were installed with

  export FREI0R_PATH=/usr/local/Cellar/frei0r/1.4/lib/frei0r-1/

  I even created symlinks from the default locations ffmpeg checks...

  MacK:tmp kevin$ ls -l  /usr/local/lib/frei0r-1
  
  lrwxr-xr-x  1 kevin  admin  33  4 Apr 04:43 /usr/local/lib/frei0r-1 -> ../Cellar/frei0r/1.4/lib/frei0r-1

  But I’m still seeing this error :

  [Parsed_frei0r_0 @ 0x7f8938f003c0] Could not find module 'perspective'.
  
  [AVFilterGraph @ 0x7f8938f00160] Error initializing filter 'frei0r' with args 'perspective'
  
  Error initializing complex filters.
  
  Invalid argument

  Full output :

  MacK:tmp kevin$ ffmpeg -i 1.mp4 -filter_complex "frei0r=perspective" out.mp4
  
  ffmpeg version 3.0.1 Copyright (c) 2000-2016 the FFmpeg developers
  
    built with Apple LLVM version 7.0.2 (clang-700.1.81)
  
    configuration: --prefix=/usr/local/Cellar/ffmpeg/3.0.1 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-opencl --enable-libx264 --enable-libmp3lame --enable-libxvid --enable-libfreetype --enable-libvorbis --enable-libvpx --enable-libass --enable-ffplay --enable-libfdk-aac --enable-libopus --enable-frei0r --enable-libx265 --enable-nonfree --enable-vda
  
    libavutil      55. 17.103 / 55. 17.103
  
    libavcodec     57. 24.102 / 57. 24.102
  
    libavformat    57. 25.100 / 57. 25.100
  
    libavdevice    57.  0.101 / 57.  0.101
  
    libavfilter     6. 31.100 /  6. 31.100
  
    libavresample   3.  0.  0 /  3.  0.  0
  
    libswscale      4.  0.100 /  4.  0.100
  
    libswresample   2.  0.101 /  2.  0.101
  
    libpostproc    54.  0.100 / 54.  0.100
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '1.mp4':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      encoder         : Lavf57.25.100
  
    Duration: 00:00:08.34, start: 0.023220, bitrate: 4293 kb/s
  
      Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720, 4161 kb/s, 60 fps, 60 tbr, 15360 tbn, 120 tbc (default)
  
      Metadata:
  
        handler_name    : VideoHandler
  
      Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 129 kb/s (default)
  
      Metadata:
  
        handler_name    : SoundHandler
  
  [Parsed_frei0r_0 @ 0x7f8938f003c0] Could not find module 'perspective'.
  
  [AVFilterGraph @ 0x7f8938f00160] Error initializing filter 'frei0r' with args 'perspective'
  
  Error initializing complex filters.
  
  Invalid argument

  I’ve run out of ideas to try next, what am I missing ? Any help would be greatly appreciated.

• FFmpeg concat with watermarks and audio "stream specifier in filtergraph description matches no streams."

  28 mars 2016, par btalbot

  I’m trying to concatenate an arbitrary number of videos with a series of watermarks over them :

  ffmpeg -i segment0.mp4 -i segment1.mp4 -i ... segmentn.mp4 -i end.mp4 -i ../../watermark/watermark1280/watermark_%05d.png -filter_complex "[0:v][1:v]...[n:v]concat=n=n:v=1:a=0 [v], [v] overlay [p]" -map "[v]" -an -y output.mp4

  I am getting the following error :

  Stream specifier ':v' in filtergraph description [0:v][1:v]...[n:v]concat=n=n:v=1:a=0 [v], [v] overlay [p] matches no streams.

  Here is the full output of my latest attempt :

  ffmpeg version N-78734-g666e2ed Copyright (c) 2000-2016 the FFmpeg developers
 built with gcc 5.3.0 (GCC)
 configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --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-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. 19.100 / 55. 19.100
 libavcodec     57. 25.101 / 57. 25.101
 libavformat    57. 26.100 / 57. 26.100
 libavdevice    57.  0.101 / 57.  0.101
 libavfilter     6. 36.100 /  6. 36.100
 libswscale      4.  0.100 /  4.  0.100
 libswresample   2.  0.101 /  2.  0.101
 libpostproc    54.  0.100 / 54.  0.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'segment0.mp4':
 Metadata:
   major_brand     : isom
   minor_version   : 512
   compatible_brands: isomiso2avc1mp41
   encoder         : Lavf57.26.100
 Duration: 00:00:02.01, start: 0.010000, bitrate: 6 kb/s
   Stream #0:0(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 2 kb/s (default)
   Metadata:
     handler_name    : SoundHandler
Input #1, mov,mp4,m4a,3gp,3g2,mj2, from 'segment1.mp4':
 Metadata:
   major_brand     : isom
   minor_version   : 512
   compatible_brands: isomiso2avc1mp41
   encoder         : Lavf57.26.100
 Duration: 00:00:01.99, start: 0.066000, bitrate: 5014 kb/s
   Stream #1:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv), 1280x720, 5008 kb/s, 59.94 fps, 59.94 tbr, 60k tbn, 119.88 tbc (default)
   Metadata:
     handler_name    : VideoHandler
Input #2, mov,mp4,m4a,3gp,3g2,mj2, from 'segment2.mp4':
 Metadata:
   major_brand     : isom
   minor_version   : 512
   compatible_brands: isomiso2avc1mp41
   encoder         : Lavf57.26.100
 Duration: 00:00:02.01, start: 0.009000, bitrate: 424 kb/s
   Stream #2:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720, 1111 kb/s, 59 fps, 59 tbr, 15104 tbn, 118 tbc (default)
   Metadata:
     handler_name    : VideoHandler
   Stream #2:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 2 kb/s (default)
   Metadata:
     handler_name    : SoundHandler
Input #3, mov,mp4,m4a,3gp,3g2,mj2, from 'segment3.mp4':
 Metadata:
   major_brand     : isom
   minor_version   : 512
   compatible_brands: isomiso2avc1mp41
   encoder         : Lavf57.26.100
 Duration: 00:00:01.85, start: 0.205000, bitrate: 5058 kb/s
   Stream #3:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv), 1280x720, 5050 kb/s, 59.94 fps, 59.94 tbr, 60k tbn, 119.88 tbc (default)
   Metadata:
     handler_name    : VideoHandler
Input #4, mov,mp4,m4a,3gp,3g2,mj2, from 'segment4.mp4':
 Metadata:
   major_brand     : isom
   minor_version   : 512
   compatible_brands: isomiso2avc1mp41
   encoder         : Lavf57.26.100
 Duration: 00:00:01.77, start: 0.282000, bitrate: 5174 kb/s
   Stream #4:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv), 1280x720, 5167 kb/s, 59.94 fps, 59.94 tbr, 60k tbn, 119.88 tbc (default)
   Metadata:
     handler_name    : VideoHandler
Input #5, mov,mp4,m4a,3gp,3g2,mj2, from 'segment5.mp4':
 Metadata:
   major_brand     : isom
   minor_version   : 512
   compatible_brands: isomiso2avc1mp41
   encoder         : Lavf57.26.100
 Duration: 00:00:02.01, start: 0.006000, bitrate: 955 kb/s
   Stream #5:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720, 1448 kb/s, 59 fps, 59 tbr, 15104 tbn, 118 tbc (default)
   Metadata:
     handler_name    : VideoHandler
   Stream #5:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 2 kb/s (default)
   Metadata:
     handler_name    : SoundHandler
Input #6, mov,mp4,m4a,3gp,3g2,mj2, from '../../slate/Void_test.mp4':
 Metadata:
   major_brand     : isom
   minor_version   : 512
   compatible_brands: isomiso2avc1mp41
   encoder         : Lavf57.26.100
 Duration: 00:00:02.97, start: 0.000000, bitrate: 3176 kb/s
   Stream #6:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720, 3169 kb/s, 59.94 fps, 59.94 tbr, 11988 tbn, 119.88 tbc (default)
   Metadata:
     handler_name    : VideoHandler
Input #7, image2, from '../../watermark/watermark1280/watermark_%05d.png':
 Duration: 00:00:14.40, start: 0.000000, bitrate: N/A
   Stream #7:0: Video: png, ya8(pc), 1280x720 [SAR 1:1 DAR 16:9], 25 fps, 25 tbr, 25 tbn, 25 tbc
Stream specifier ':v' in filtergraph description [0:v][1:v][2:v][3:v][4:v][5:v][6:v]concat=n=7:v=1:a=0 [v], [v] overlay [p] matches no streams.

  Also, if someone can help me do this with a single mp3 audio input over the whole concatenated video, that’d be helpful, too.

• TCL command prompt crashed with the error "ffmpeg.exe stopped working" with tcl version 8.0 and window 7

  9 février 2019, par M. D. P

  TCL command prompt crashed with the error "ffmpeg.exe has stopped working" with tcl version 8.0 and window 7 32 bit. my code file is "live.tcl" which is as follow :

  proc live {} {
  
  
  
  exec ffmpeg -f dshow -s 1280x720 -i "video=Logitech HD Webcam C525" -f sdl2 - >& c:/test/temp.txt &
  
  
  
  }
  
  live

  On the other hand same my code for video capturing i.e "videocapture.tcl" works on the same tclsh command prompt on windows 7. my tcl code for "videocapture.tcl" is :

  proc videocapture {} { 
  
  
  
   exec ffmpeg -f dshow -t 00:00:10 -i "video=Integrated Webcam" c:/test/sample-a.avi >& temp.txt & 
  
   
  
  }
  
  videocapture

  error report is as follow :

  ffmpeg started on 2017-11-22 at 10:56:04
  
  Report written to "ffmpeg-20171122-105604.log"
  
  Command line:
  
  ffmpeg -f dshow -s 1280x720 -i "video=HD Webcam C525" -report -f sdl2 -
  
  ffmpeg version N-89127-g8f4702a93f Copyright (c) 2000-2017 the FFmpeg developers
  
    built with gcc 7.2.0 (GCC)
  
    configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-bzlib --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --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-cuda --enable-cuvid --enable-d3d11va --enable-nvenc --enable-dxva2 --enable-avisynth --enable-libmfx
  
    libavutil      56.  0.100 / 56.  0.100
  
    libavcodec     58.  3.103 / 58.  3.103
  
    libavformat    58.  2.100 / 58.  2.100
  
    libavdevice    58.  0.100 / 58.  0.100
  
    libavfilter     7.  2.100 /  7.  2.100
  
    libswscale      5.  0.101 /  5.  0.101
  
    libswresample   3.  0.101 /  3.  0.101
  
    libpostproc    55.  0.100 / 55.  0.100
  
  Splitting the commandline.
  
  Reading option '-f' ... matched as option 'f' (force format) with argument 'dshow'.
  
  Reading option '-s' ... matched as option 's' (set frame size (WxH or abbreviation)) with argument '1280x720'.
  
  Reading option '-i' ... matched as input url with argument 'video=HD Webcam C525'.
  
  Reading option '-report' ... matched as option 'report' (generate a report) with argument '1'.
  
  Reading option '-f' ... matched as option 'f' (force format) with argument 'sdl2'.
  
  Reading option '-' ... matched as output url.
  
  Finished splitting the commandline.
  
  Parsing a group of options: global .
  
  Applying option report (generate a report) with argument 1.
  
  Successfully parsed a group of options.
  
  Parsing a group of options: input url video=HD Webcam C525.
  
  Applying option f (force format) with argument dshow.
  
  Applying option s (set frame size (WxH or abbreviation)) with argument 1280x720.
  
  Successfully parsed a group of options.
  
  Opening an input file: video=HD Webcam C525.
  
  [dshow @ 03dfca20] Selecting pin Capture on video
  
  dshow passing through packet of type video size  1843200 timestamp 664898760000 orig timestamp 664898643970 graph timestamp 664898760000 diff 116030 HD Webcam C525
  
  [dshow @ 03dfca20] All info found
  
  Input #0, dshow, from 'video=HD Webcam C525':
  
    Duration: N/A, start: 66489.876000, bitrate: N/A
  
  Stream #0:0, 1, 1/10000000: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 1280x720, 10 fps, 10 tbr, 10000k tbn, 10000k tbc
  
  Successfully opened the file.
  
  Parsing a group of options: output url -.
  
  Applying option f (force format) with argument sdl2.
  
  Successfully parsed a group of options.
  
  Opening an output file: -.
  
  Successfully opened the file.
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (rawvideo (native) -> rawvideo (native))
  
  Press [q] to stop, [?] for help
  
  cur_dts is invalid (this is harmless if it occurs once at the start per stream)
  
  [rawvideo @ 03e01660] PACKET SIZE: 1843200, STRIDE: 2560
  
  detected 1 logical cores
  
  [graph 0 input from stream 0:0 @ 03e06ae0] Setting 'video_size' to value '1280x720'
  
  [graph 0 input from stream 0:0 @ 03e06ae0] Setting 'pix_fmt' to value '1'
  
  [graph 0 input from stream 0:0 @ 03e06ae0] Setting 'time_base' to value '1/10000000'
  
  [graph 0 input from stream 0:0 @ 03e06ae0] Setting 'pixel_aspect' to value '0/1'
  
  [graph 0 input from stream 0:0 @ 03e06ae0] Setting 'sws_param' to value 'flags=2'
  
  [graph 0 input from stream 0:0 @ 03e06ae0] Setting 'frame_rate' to value '10000000/1000000'
  
  [graph 0 input from stream 0:0 @ 03e06ae0] w:1280 h:720 pixfmt:yuyv422 tb:1/10000000 fr:10000000/1000000 sar:0/1 sws_param:flags=2
  
  [AVFilterGraph @ 03de2780] query_formats: 3 queried, 2 merged, 0 already done, 0 delayed
  
  dshow passing through packet of type video size  1843200 timestamp 664899770000 orig timestamp 664899643970 graph timestamp 664899770000 diff 126030 HD Webcam C525
  
  dshow passing through packet of type video size  1843200 timestamp 664900890000 orig timestamp 664900643970 graph timestamp 664900890000 diff 246030 HD Webcam C525
  
  dshow passing through packet of type video size  1843200 timestamp 664902040000 orig timestamp 664901643970 graph timestamp 664902040000 diff 396030 HD Webcam C525
  
  [dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!
  
  dshow passing through packet of type video size  1843200 timestamp 664902650000 orig timestamp 664902643970 graph timestamp 664902650000 diff 6030 HD Webcam C525
  
  [dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!
  
  dshow passing through packet of type video size  1843200 timestamp 664903610000 orig timestamp 664903643970 graph timestamp 664903610000 diff -33970 HD Webcam C525
  
  [dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!
  
  dshow passing through packet of type video size  1843200 timestamp 664904570000 orig timestamp 664904643970 graph timestamp 664904570000 diff -73970 HD Webcam C525
  
  [dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!
  
  dshow passing through packet of type video size  1843200 timestamp 664905520000 orig timestamp 664905643970 graph timestamp 664905520000 diff -123970 HD Webcam C525
  
  [dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!
  
  dshow passing through packet of type video size  1843200 timestamp 664929720000 orig timestamp 664906643970 graph timestamp 664929720000 diff 23076030 HD Webcam C525
  
  [dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!
  
  dshow passing through packet of type video size  1843200 timestamp 664929760000 orig timestamp 664907643970 graph timestamp 664929760000 diff 22116030 HD Webcam C525
  
  [dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!
  
  dshow passing through packet of type video size  1843200 timestamp 664929790000 orig timestamp 664908643970 graph timestamp 664929790000 diff 21146030 HD Webcam C525
  
  [dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!
  
  dshow passing through packet of type video size  1843200 timestamp 664929820000 orig timestamp 664909643970 graph timestamp 664929820000 diff 20176030 HD Webcam C525
  
  [dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!
  
  dshow passing through packet of type video size  1843200 timestamp 664929870000 orig timestamp 664910643970 graph timestamp 664929870000 diff 19226030 HD Webcam C525
  
  [dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!
  
  dshow passing through packet of type video size  1843200 timestamp 664929910000 orig timestamp 664911643970 graph timestamp 664929910000 diff 18266030 HD Webcam C525
  
  [dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!
  
  dshow passing through packet of type video size  1843200 timestamp 664929940000 orig timestamp 664912643970 graph timestamp 664929940000 diff 17296030 HD Webcam C525
  
  [dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!
  
  dshow passing through packet of type video size  1843200 timestamp 664929980000 orig timestamp 664913643970 graph timestamp 664929980000 diff 16336030 HD Webcam C525
  
  [dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!
  
  dshow passing through packet of type video size  1843200 timestamp 664930030000 orig timestamp 664914643970 graph timestamp 664930030000 diff 15386030 HD Webcam C525
  
  [dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!
  
  dshow passing through packet of type video size  1843200 timestamp 664930070000 orig timestamp 664915643970 graph timestamp 664930070000 diff 14426030 HD Webcam C525
  
  [dshow @ 03dfca20] real-time buffer [HD Webcam C525] [video input] too full or near too full (121% of size: 3041280 [rtbufsize parameter])! frame dropped!