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• ffmpeg version 2.6.8 : Stream specifier ':a' in filtergraph description matches no streams

  16 décembre 2020, par Ashitaka

  I am not getting why this isn't working.. I have tried to get the video streams with [0:v]/[0:1]/[0:v:0] & the audio streams with [0:a]/[0:0]/[0:0:0].
nothing worked.

  


  Explaining the inputs :

  


  1.1st input stream is a video that can be of varying resolution on which the filter adds a padding on to make it 600:480.

  


  2.2nd input is an overlay png which is already at 5:4 ratio.. just making it 600:480 before it gets overlaid in the filter.

  


  3.3rd & 4th ones are also videos which I don't care if they get stretched.. n they are getting stretched to 600:480.

  


  4.so finally there are 3 streams 1 overlaid video 2 stretched videos which needs to be concatenated.

  


  here's the command :

  


  ffmpeg 
-i '/home/vidinflux/public_html/assets/temp/2018020116464612/2018020116464612.mp4' 
-i '/home/vidinflux/public_html/assets/temp/2018020116464612/2018020116464612_overlay.png' 
-i '/home/vidinflux/public_html/assets/user/736/video/Lines1.mp4' 
-i '/home/vidinflux/public_html/assets/user/736/video/Lines11.mp4' 
-filter_complex
"[0:v]trim=0:138,setpts=PTS-STARTPTS[v0];[0:a]atrim=0:138,asetpts=PTS-STARTPTS[a0];[v0]scale='gte(iw/ih\,600/480)*600+lt(iw/ih\,600/480)*((480*iw)/ih):lte(iw/ih\,600/480)*480+gt(iw/ih\,600/480)*((600*ih)/iw)',pad='600:480:(600-gte(iw/ih\,600/480)*600-lt(iw/ih\,600/480)*((480*iw)/ih))/2:(480-lte(iw/ih\,600/480)*480-gt(iw/ih\,600/480)*((600*ih)/iw))/2:black'[x];[1:v]scale=600:480[y];[x][y]overlay=0:0[z];[2:v]scale=600:480,setsar=1:1[x0];[3:v]scale=600:480,setsar=1:1[x1];[x0][2:a][z][a0][x1][3:a]concat=n=3:v=1:a=1[v][a]" 
-map "[v]" 
-map "[a]" 
-c:v libx264 
-shortest /home/vidinflux/public_html/assets/temp/2018020116464612/2018020116464612_final.mp4


  


  this is the complete error I am getting :

  


  Stream specifier ':a' in filtergraph description  [0:v]trim=0:138,setpts=PTS-STARTPTS[v0];[0:a]atrim=0:138,asetpts=PTS-STARTPTS[a0];[v0]scale='gte(iw/ih\,600/480)*600+lt(iw/ih\,600/480)*((480*iw)/ih):lte(iw/ih\,600/480)*480+gt(iw/ih\,600/480)*((600*ih)/iw)',pad='600:480:(600-gte(iw/ih\,600/480)*600-lt(iw/ih\,600/480)*((480*iw)/ih))/2:(480-lte(iw/ih\,600/480)*480-gt(iw/ih\,600/480)*((600*ih)/iw))/2:black'[x];[1:v]scale=600:480[y];[x][y]overlay=0:0[z];[2:v]scale=600:480,setsar=1:1[x0];[3:v]scale=600:480,setsar=1:1[x1];[x0][2:a][z][a0][x1][3:a]concat=n=3:v=1:a=1[v][a] matches no streams.


  


  also there are these warnings :

  


  [Parsed_setsar_9 @ 0x219fba0] num:den syntax is deprecated, please use num/den or named options instead
[Parsed_setsar_11 @ 0x21a4840] num:den syntax is deprecated, please use num/den or named options instead


  


  Complete log as requested :

  


  [root@cloud ~]# ffmpeg -i '/home/vidinflux/public_html/assets/temp/2018020116464612/2018020116464612.mp4' -i '/home/vidinflux/public_html/assets/temp/2018020116464612/2018020116464612_overlay.png' -i '/home/vidinflux/public_html/assets/user/736/video/Lines1.mp4' -i '/home/vidinflux/public_html/assets/user/736/video/Lines11.mp4' -filter_complex \ "[0:v]trim=0:138,setpts=PTS-STARTPTS[v0];[0:a]atrim=0:138,asetpts=PTS-STARTPTS[a0];[v0]scale='gte(iw/ih\,600/480)*600+lt(iw/ih\,600/480)*((480*iw)/ih):lte(iw/ih\,600/480)*480+gt(iw/ih\,600/480)*((600*ih)/iw)',pad='600:480:(600-gte(iw/ih\,600/480)*600-lt(iw/ih\,600/480)*((480*iw)/ih))/2:(480-lte(iw/ih\,600/480)*480-gt(iw/ih\,600/480)*((600*ih)/iw))/2:black'[x];[1:v]scale=600:480[y];[x][y]overlay=0:0[z];[2:v]scale=600:480,setsar=1:1[x0];[3:v]scale=600:480,setsar=1:1[x1];[x0][2:a][z][a0][x1][3:a]concat=n=3:v=1:a=1[v][a]" -map "[v]" -map "[a]" -c:v libx264 -shortest /home/vidinflux/public_html/assets/temp/2018020116464612/2018020116464612_final.mp4
ffmpeg version 2.6.8 Copyright (c) 2000-2016 the FFmpeg developers
  built with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-16)
  configuration: --prefix=/usr --bindir=/usr/bin --datadir=/usr/share/ffmpeg --incdir=/usr/include/ffmpeg --libdir=/usr/lib64 --mandir=/usr/share/man --arch=x86_64 --optflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic' --enable-bzlib --disable-crystalhd --enable-gnutls --enable-ladspa --enable-libass --enable-libdc1394 --enable-libfaac --enable-nonfree --disable-indev=jack --enable-libfreetype --enable-libgsm --enable-libmp3lame --enable-openal --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libv4l2 --enable-libx264 --enable-libx265 --enable-libxvid --enable-x11grab --enable-avfilter --enable-avresample --enable-postproc --enable-pthreads --disable-static --enable-shared --enable-gpl --disable-debug --disable-stripping --shlibdir=/usr/lib64 --enable-runtime-cpudetect
  libavutil      54. 20.100 / 54. 20.100
  libavcodec     56. 26.100 / 56. 26.100
  libavformat    56. 25.101 / 56. 25.101
  libavdevice    56.  4.100 / 56.  4.100
  libavfilter     5. 11.102 /  5. 11.102
  libavresample   2.  1.  0 /  2.  1.  0
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  1.100 /  1.  1.100
  libpostproc    53.  3.100 / 53.  3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/home/vidinflux/public_html/assets/temp/2018020116464612/2018020116464612.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: isommp42
    creation_time   : 2017-08-21 02:23:24
  Duration: 00:02:17.23, start: 0.000000, bitrate: 417 kb/s
    Stream #0:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p(tv, bt709), 640x360 [SAR 1:1 DAR 16:9], 318 kb/s, 25 fps, 25 tbr, 12800 tbn, 50 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 96 kb/s (default)
    Metadata:
      creation_time   : 2017-08-21 02:23:24
      handler_name    : IsoMedia File Produced by Google, 5-11-2011
Input #1, png_pipe, from '/home/vidinflux/public_html/assets/temp/2018020116464612/2018020116464612_overlay.png':
  Duration: N/A, bitrate: N/A
    Stream #1:0: Video: png, rgba, 600x479, 25 tbr, 25 tbn, 25 tbc
Input #2, mov,mp4,m4a,3gp,3g2,mj2, from '/home/vidinflux/public_html/assets/user/736/video/Lines1.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 1
    compatible_brands: mp41mp42isom
    creation_time   : 2018-01-31 22:40:09
  Duration: 00:00:04.90, start: 0.103811, bitrate: 846 kb/s
    Stream #2:0(und): Video: h264 (Baseline) (avc1 / 0x31637661), yuv420p(tv, smpte170m/bt470bg/bt709), 1920x1080, 827 kb/s, SAR 1:1 DAR 16:9, 30 fps, 30 tbr, 90k tbn, 180k tbc (default)
    Metadata:
      creation_time   : 2018-01-31 22:40:10
      handler_name    : Core Media Video
Input #3, mov,mp4,m4a,3gp,3g2,mj2, from '/home/vidinflux/public_html/assets/user/736/video/Lines11.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 1
    compatible_brands: mp41mp42isom
    creation_time   : 2018-01-31 22:40:09
  Duration: 00:00:04.90, start: 0.103811, bitrate: 846 kb/s
    Stream #3:0(und): Video: h264 (Baseline) (avc1 / 0x31637661), yuv420p(tv, smpte170m/bt470bg/bt709), 1920x1080, 827 kb/s, SAR 1:1 DAR 16:9, 30 fps, 30 tbr, 90k tbn, 180k tbc (default)
    Metadata:
      creation_time   : 2018-01-31 22:40:10
      handler_name    : Core Media Video
[Parsed_setsar_9 @ 0x17c8ba0] num:den syntax is deprecated, please use num/den or named options instead
[Parsed_setsar_11 @ 0x17cd840] num:den syntax is deprecated, please use num/den or named options instead
Stream specifier ':a' in filtergraph description  [0:v]trim=0:138,setpts=PTS-STARTPTS[v0];[0:a]atrim=0:138,asetpts=PTS-STARTPTS[a0];[v0]scale='gte(iw/ih\,600/480)*600+lt(iw/ih\,600/480)*((480*iw)/ih):lte(iw/ih\,600/480)*480+gt(iw/ih\,600/480)*((600*ih)/iw)',pad='600:480:(600-gte(iw/ih\,600/480)*600-lt(iw/ih\,600/480)*((480*iw)/ih))/2:(480-lte(iw/ih\,600/480)*480-gt(iw/ih\,600/480)*((600*ih)/iw))/2:black'[x];[1:v]scale=600:480[y];[x][y]overlay=0:0[z];[2:v]scale=600:480,setsar=1:1[x0];[3:v]scale=600:480,setsar=1:1[x1];[x0][2:a][z][a0][x1][3:a]concat=n=3:v=1:a=1[v][a] matches no streams.


  


• Why does ffmpeg report different durations ?

  18 mai 2012, par kenitech

  Source videos : http://www.artworknotavailable.com/tmp/ffmpegtest

  Quicktime Pro 7.7.1 Inspector (Win 7) reports the following for the file 2398.mov

  4.19MB
  H.264
  Movie FPS : 23.98
  Data Rate : 2.35 mbits/Sec
  Duration 14:97
  

  ffmpeg reports the following (see full ffmpeg version info at bottom of post)

  ffmpeg -i 2398.mov

  Seems stream 1 codec frame rate differs from container frame rate : 47952.00 (47952/1) -> >23.98 (2997/125)
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '2398.mov' :
  Metadata :
  major_brand : qt
  

  minor_version : 537199360
  compatible_brands : qt
  Duration : 00:00:15.97, start : 0.-963005, bitrate : 2210 kb/s
  Stream #0.0(eng) : Audio : aac, 48000 Hz, stereo, s16, 152 kb/s
  Stream #0.1(eng) : Video : h264, yuv420p, 848x480, 2060 kb/s, 23.98 fps, 23.98 tbr, 23976 tbn, 47952 tbc
  

  One second longer than what Quicktime reports.

  As an experiment I exported this file from Quicktime Pro using the following settings :

  Frame Rate : Current
  Key Frames : Every 24 frames
  Frame Reordering On
  Quality : High
  Encoding Best
  Data Rate : Automatic
  Optimized for Download
  Output file : qtime-export-2398.mov

  Quicktime Inspector reports :

  5.62 MB
  H.264
  Movie FPS : 23.98
  Data Rate : 3.15 mbits/Sec
  Duration 14:97
  

  ffmpeg now reports :

  ffmpeg -i qtime-export-2398.mov

  Seems stream 1 codec frame rate differs from container frame rate : 1200.00 (1200/1) -> 23.98 (24000/1001)
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'qtime-export-2398.mov' :
  Metadata :
  major_brand : qt
  minor_version : 537199360
  compatible_brands : qt
  Duration : 00:00:14.96, start : 0.000000, bitrate : 3153 kb/s
  Stream #0.0(eng) : Audio : pcm_s16le, 44100 Hz, 2 channels, s16, 1411 kb/s
  Stream #0.1(eng) : Video : h264, yuv420p, 678x384, 1738 kb/s, 23.98 fps, 23.98 tbr, 600 tbn, 1200 tbc
  

  ffmpeg's report on duration went from 15.97 to 14.96 (I can live with .1)

  Is this duration calculated from the bitrate ?

  I need to accurately report the duration of uploaded videos as well as convert them to FLV. Can somebody tell me what is going on here and how I might get around this ?

  ffmpeg info below. I've tried this on 2 completely different installs/versions of ffmpeg. Same result.

  FFmpeg version 0.6.5, Copyright (c) 2000-2010 the FFmpeg developers
  built on Jan 29 2012 23:55:02 with gcc 4.1.2 20080704 (Red Hat 4.1.2-51)
  configuration : —prefix=/usr —libdir=/usr/lib64 —shlibdir=/usr/lib64 —mandir=/usr/share/man —incdir=/usr/include —disable-avisynth —extra-cflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector —param=ssp-buffer-size=4 -m64 -mtune=generic -fPIC' —enable-avfilter —enable-avfilter-lavf —enable-libdirac —enable-libfaac —enable-libfaad —enable-libfaadbin —enable-libgsm —enable-libmp3lame —enable-libopencore-amrnb —enable-libopencore-amrwb —enable-libx264 —enable-gpl —enable-nonfree —enable-postproc —enable-pthreads —enable-shared —enable-swscale —enable-vdpau —enable-version3 —enable-x11grab
  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
  FFmpeg 0.6.5
  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

• Create stopmotion video with ffmpeg - error while rendering

  30 mai 2012, par Niklas

  I'm currently creating a stopmotion video with the help of ffmpeg and some scripts I've made. Although in the last clip I attempted to render I had a couple of frames which I've edited. The method I'm using has worked before so I'm certain that it has to do with GIMP changing something with the files. I work with .png-images. This is the command and the output I get :

  ffmpeg -sameq -f image2 -r 7 -i "$src_dir/frame-%06d.png" -r 25 "$dest_dir/$file_name.avi"

  output :

  ffmpeg version 0.8.1-4:0.8.1-0ubuntu1, Copyright (c) 2000-2011 the Libav developers
  
    built on Mar 22 2012 05:09:06 with gcc 4.6.3
  
  This program is not developed anymore and is only provided for compatibility. Use avconv instead (see Changelog for the list of incompatible changes).
  
  Input #0, image2, from '/mnt/storage/selected_frames/005-Middag-Animation/frame-%06d.png':
  
    Duration: 00:00:02.85, start: 0.000000, bitrate: N/A
  
      Stream #0.0: Video: png, bgra, 1280x720, 7 fps, 7 tbr, 7 tbn, 7 tbc
  
  File '/mnt/storage/Videoklipp//005-Middag-Animation.avi' already exists. Overwrite ? [y/N] y
  
  Incompatible pixel format 'bgra' for codec 'mpeg4', auto-selecting format 'yuv420p'
  
  [buffer @ 0x1b88860] w:1280 h:720 pixfmt:bgra
  
  [avsink @ 0x1b8a480] auto-inserting filter 'auto-inserted scaler 0' between the filter 'src' and the filter 'out'
  
  [scale @ 0x1b8ab80] w:1280 h:720 fmt:bgra -> w:1280 h:720 fmt:yuv420p flags:0x4
  
  Output #0, avi, to '/mnt/storage/Videoklipp//005-Middag-Animation.avi':
  
    Metadata:
  
      ISFT            : Lavf53.21.0
  
      Stream #0.0: Video: mpeg4, yuv420p, 1280x720, q=2-31, 2 kb/s, 25 tbn, 25 tbc
  
  Stream mapping:
  
    Stream #0.0 -> #0.0
  
  Press ctrl-c to stop encoding
  
  [buffer @ 0x1b88860] Changing frame properties on the fly is not supported.
  
      Last message repeated 6 times
  
  frame=   13 fps=  0 q=0.0 Lsize=     524kB time=2.20 bitrate=1951.2kbits/s    
  
  video:517kB audio:0kB global headers:0kB muxing overhead 1.323318%

  "[buffer @ 0x1b88860] Changing frame properties on the fly is not supported"

  What can I do to fix this ? Any help is appreciated :)