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• FFMPEG issue with concat video made from single image

  12 mai 2023, par Jacob

  I am pulling my hair out right now. I am developing a video editing program. When I export two videos, concat works great. However, when I create a video from a single image (title screen) and try to concat that video with a regular video, only the title screen is exported. And no errors.

  


  Below is the code for creating the title screen :

  


  parameters = "-loop 1 -i " + '"' + video.VideoThumbPath + '"' + " -c:v libx264 -t " + video.TitleDuration.ToString() + " -pix_fmt yuv420p " + vidPath + @"\v" + outputFile.ToString() + ".MP4";


  


  Below is the code for exporting a regular non title screen video :

  


  parameters = "-y -i " + '"' + frames[0].VideoPath + '"' + " -filter_complex " + '"' + @"[0:v]trim=" + frames[0].TimeCode.TotalSeconds + @":" + frames[1].TimeCode.TotalSeconds +
                           @", setpts=PTS-STARTPTS[trimedv0];[trimedv0]yadif," + orientation + @"setsar=1/1, eq=contrast=1:brightness=" + video.Brightness + '"' + " -sn -an -c:v libx264 -preset ultrafast -profile:v baseline -level 3.0 " +
                           @"-pix_fmt yuv420p -f mpegts " + vidPath + @"\v" + outputFile.ToString() + ".MP4";


  


  Below is the code to concat both videos :

  


  parameters = "-probesize 100M -analyzeduration 100M -i concat:" + '"' + concatString + '"' + @" -c:v copy " + '"' + ExportOptions.CompleteDestinationPath + '"';


  


  Like I said, using this code for two MP4 video that were not made from a single image, it works great. If I create a MP4 from a single image with a duration of 5 seconds and concat it with a normal MP4, only the title screen is exported.

  


  Below is the output from FFMPEG. It shows the concat string with 2 videos but only concats the first one.

  


  09:59:32:366    ffmpeg version N-110043-gadb5f7b41f-20230318 Copyright (c) 2000-2023 the FFmpeg developers


  


  09:59:32:366 built with gcc 12.2.0 (crosstool-NG 1.25.0.90_cf9beb1)
09:59:32:366 configuration : —prefix=/ffbuild/prefix —pkg-config-flags=—static —pkg-config=pkg-config —cross-prefix=x86_64-w64-mingw32- —arch=x86_64 —target-os=mingw32 —enable-gpl —enable-version3 —disable-debug —disable-w32threads —enable-pthreads —enable-iconv —enable-libxml2 —enable-zlib —enable-libfreetype —enable-libfribidi —enable-gmp —enable-lzma —enable-fontconfig —enable-libvorbis —enable-opencl —disable-libpulse —enable-libvmaf —disable-libxcb —disable-xlib —enable-amf —enable-libaom —enable-libaribb24 —enable-avisynth —enable-chromaprint —enable-libdav1d —enable-libdavs2 —disable-libfdk-aac —enable-ffnvcodec —enable-cuda-llvm —enable-frei0r —enable-libgme —enable-libkvazaar —enable-libass —enable-libbluray —enable-libjxl —enable-libmp3lame —enable-libopus —enable-librist —enable-libssh —enable-libtheora —enable-libvpx —enable-libwebp —enable-lv2 —disable-libmfx —enable-libvpl —enable-openal —enable-libopencore-amrnb —enable-libopencore-amrwb —enable-libopenh264 —enable-libopenjpeg —enable-libopenmpt —enable-librav1e —enable-librubberband —enable-schannel —enable-sdl2 —enable-libsoxr —enable-libsrt —enable-libsvtav1 —enable-libtwolame —enable-libuavs3d —disable-libdrm —disable-vaapi —enable-libvidstab —enable-vulkan —enable-libshaderc —enable-libplacebo —enable-libx264 —enable-libx265 —enable-libxavs2 —enable-libxvid —enable-libzimg —enable-libzvbi —extra-cflags=-DLIBTWOLAME_STATIC —extra-cxxflags= —extra-ldflags=-pthread —extra-ldexeflags= —extra-libs=-lgomp —extra-version=20230318
09:59:32:366 libavutil 58. 4.100 / 58. 4.100
09:59:32:366 libavcodec 60. 6.101 / 60. 6.101
09:59:32:366 libavformat 60. 4.100 / 60. 4.100
09:59:32:366 libavdevice 60. 2.100 / 60. 2.100
09:59:32:366 libavfilter 9. 4.100 / 9. 4.100
09:59:32:366 libswscale 7. 2.100 / 7. 2.100
09:59:32:366 libswresample 4. 11.100 / 4. 11.100
09:59:32:366 libpostproc 57. 2.100 / 57. 2.100
09:59:32:366 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'concat:C :\Users\JDINES\AppData\Roaming\FCS\VidBin\v1000.MP4|C :\Users\JDINES\AppData\Roaming\FCS\VidBin\v1001.MP4' :
09:59:32:366 Metadata :
09:59:32:366 major_brand : isom
09:59:32:366 minor_version : 512
09:59:32:366 compatible_brands : isomiso2avc1mp41
09:59:32:366 encoder : Lavf60.4.100
09:59:32:366 Duration : 00:00:05.00, start : 0.000000, bitrate : 64102 kb/s
09:59:32:366 Stream #0:00x1 : Video : h264 (High) (avc1 / 0x31637661), yuv420p(tv, unknown/bt709/iec61966-2-1, progressive), 1920x1080 [SAR 1:1 DAR 16:9], 18 kb/s, 30 fps, 30 tbr, 15360 tbn (default)
09:59:32:366 Metadata :
09:59:32:366 handler_name : VideoHandler
09:59:32:366 vendor_id : [0][0][0][0]
09:59:32:366 encoder : Lavc60.6.101 libx264
09:59:32:366 Output #0, mp4, to 'C :\Users\JDINES\Desktop\EXPORT TEST\qwe.MP4' :
09:59:32:366 Metadata :
09:59:32:366 major_brand : isom
09:59:32:366 minor_version : 512
09:59:32:366 compatible_brands : isomiso2avc1mp41
09:59:32:366 encoder : Lavf60.4.100
09:59:32:366 Stream #0:0(und) : Video : h264 (High) (avc1 / 0x31637661), yuv420p(tv, unknown/bt709/iec61966-2-1, progressive), 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 18 kb/s, 30 fps, 30 tbr, 15360 tbn (default)
09:59:32:366 Metadata :
09:59:32:366 handler_name : VideoHandler
09:59:32:366 vendor_id : [0][0][0][0]
09:59:32:366 encoder : Lavc60.6.101 libx264
09:59:32:366 Stream mapping :
09:59:32:366 Stream #0:0 -> #0:0 (copy)
09:59:32:366 Press [q] to stop, [?] for help
09:59:32:366 frame= 0 fps=0.0 q=-1.0 size= 0kB time=-00:00:00.06 bitrate= -0.0kbits/s speed=N/A
  
frame= 150 fps=0.0 q=-1.0 Lsize= 14kB time=00:00:04.90 bitrate= 23.4kbits/s speed=2e+03x
  
09:59:32:366 video:11kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead : 23.005581%

  


  Any help would be much appreciated !

  


  I figured this out finally !!!

  


  The below code fixed it :

  


  parameters = "-loop 1 -i " + '"' + video.VideoThumbPath + '"' + " -sn -an -c:v libx264 -preset ultrafast -profile:v baseline -level 3.0 " +
                           @"-t 5 -pix_fmt yuv420p -f mpegts " + vidPath + @"\v" + outputFile.ToString() + ".MP4";


  


• How to display 4 rtsp on one screen using Raspberry PI ? [closed]

  19 avril 2023, par Stoufiler

  I've been trying to display 4 rtsp streams simultaneously on a single screen.

  


  I installed go2rtc on which I configured 4 streams.
Each of them works correctly whether it is by Web or by VLC.

  


  However I want to have a 2X2 display that will run on a Raspberry PI 3.

  


  When I start the script :

  


  ffmpeg -rtsp_transport tcp \
    -i rtsp://admin:pass@192.168.0.200:8554/mamie \
    -i rtsp://admin:pass@192.168.0.200:8554/SALON \
    -i rtsp://admin:pass@192.168.0.200:8554/SALON2 \
    -i rtsp://admin:pass@192.168.0.200:8554/SALON3 \
    -filter_complex "
        nullsrc=size=1920x1080 [base];
        [0:v] setpts=PTS-STARTPTS, scale=960×540 [upperleft];
        [1:v] setpts=PTS-STARTPTS, scale=960×540 [upperright];
        [2:v] setpts=PTS-STARTPTS, scale=960×540 [lowerleft];
        [3:v] setpts=PTS-STARTPTS, scale=960×540 [lowerright];
        [base][upperleft] overlay=shortest=1 [tmp1];
        [tmp1][upperright] overlay=shortest=1:x=960 [tmp2];
        [tmp2][lowerleft] overlay=shortest=1:y=540 [tmp3];
        [tmp3][lowerright] overlay=shortest=1:x=960:y=540
    " \
    -c:v libx264 \
    -preset superfast -crf 18 -f matroska – | ffplay –


  


  ...nothing is displayed and I have a lot of errors :

  


  [h264 @ 0x7fab2e104940] reference picture missing during reorder0
[h264 @ 0x7fab2e104940] Missing reference picture, default is 65734
[h264 @ 0x7fab2e104940] reference picture missing during reorder0
[h264 @ 0x7fab2e104940] Missing reference picture, default is 65834
[h264 @ 0x7fab2e104940] reference picture missing during reorder0
[h264 @ 0x7fab2e104940] Missing reference picture, default is 65934
Input #0, rtsp, from 'rtsp://admin:pass@192.168.0.200:8554/mamie':
  Metadata:
    title           : go2rtc/1.3.1
  Duration: N/A, bitrate: N/A
  Stream #0:0: Video: h264 (Main), yuvj420p(pc, bt709, progressive), 1280x720 [SAR 1:1 DAR 16:9], 30 fps, 30 tbr, 90k tbn
[rtsp @ 0x7fab2e10e280] CSeq 1 expected, 0 received.
[rtsp @ 0x7fab2e10e280] method SETUP failed: 461 Unsupported transport
Input #1, rtsp, from 'rtsp://admin:pass@192.168.0.200:8554/SALON':
  Metadata:
    title           : go2rtc/1.3.1
  Duration: N/A, start: 0.000000, bitrate: N/A
  Stream #1:0: Video: h264 (Main), yuvj420p(pc, bt709, progressive), 1920x1080, 30 fps, 30 tbr, 90k tbn
  Stream #1:1: Audio: aac (LC), 16000 Hz, mono, fltp
[rtsp @ 0x7fab2e008600] CSeq 1 expected, 0 received.
[rtsp @ 0x7fab2e008600] method SETUP failed: 461 Unsupported transport
Input #2, rtsp, from 'rtsp://admin:pass@192.168.0.200:8554/SALON2':
  Metadata:
    title           : go2rtc/1.3.1
  Duration: N/A, start: 0.000000, bitrate: N/A
  Stream #2:0: Video: h264 (Main), yuvj420p(pc, bt709, progressive), 1920x1080, 30 fps, 30 tbr, 90k tbn
  Stream #2:1: Audio: aac (LC), 16000 Hz, mono, fltp
[rtsp @ 0x7fab2e00a9c0] CSeq 1 expected, 0 received.
[rtsp @ 0x7fab2e00a9c0] method SETUP failed: 461 Unsupported transport
Input #3, rtsp, from 'rtsp://admin:pass@192.168.0.200:8554/SALON3':
  Metadata:
    title           : go2rtc/1.3.1
  Duration: N/A, start: 0.000000, bitrate: N/A
  Stream #3:0: Video: h264 (Main), yuvj420p(pc, bt709, progressive), 1920x1080, 30 fps, 30 tbr, 90k tbn
  Stream #3:1: Audio: aac (LC), 16000 Hz, mono, fltp
[Parsed_scale_2 @ 0x7fab2e20b440] Invalid size '960×540'
[AVFilterGraph @ 0x7fab2e20a740] Error initializing filter 'scale' with args '960×540'
Error initializing complex filters.
Invalid argument
  21.53 M-V:  0.001 fd=   0 aq=    0KB vq=    0KB sq=    0B f=0/0


  


  Can someone help me ?

  


• The Mystery of the No such file or directory exception

  22 avril 2022, par JohnWick

  No idea what's going on here. Set a breakpoint after the for of loop in the following function. temp/concat.txt exists but the following exception is thrown :

  


  


  Uncaught Error Error : ffmpeg exited with code 1 : temp/concat.txt : No
such file or directory

  


  


  Outputting stderr gives a bit more info :

  


  


  [concat @ 000001e2e30124c0] Impossible to open
'temp/concat.txt#voiceover #funny #fall #lol.mp4' index.js:19
temp/concat.txt : No such file or directory

  


  


  And here is the contents of concat.txt, standard ffmpeg concat demuxer format :

  


  file '#voiceover #funny #fall #lol.mp4'
file 'part 2 repost 🙄 #fyp #funny @jordond262 @princemoonjq add my snap heroicdw333.mp4'
file 'This is my hair wet wet WOAHHH #GrowUpWithMe #fyp #foryoupage #love #funny #puppy #goldenretriever #cute #dog #wetwet.mp4'
file 'POV calling your friends when your 90#FootlongShuffle #GhostMode #funny #grandma  #fyp #halloween #collegegotmelike #tiktok #foryoupage.mp4'
file 'Sam Ki Singing Kaisi Lgi 😂😜 insta-samayranarula #foryou #trending #lockdown #queen_samayra #tiktokindia #funny #gharbaithoindia 🏠 #comedyindia.mp4'
file 'Reply to @juswa646  #fyp#funny #relatable.mp4'
file 'RaNdOm ViDeOs! #fy #fypシ #viral #meme #funny #xyzbca #funnyvideos #randomvideo.mp4'
file 'Reply to @bratzdoll.maya what should I do next 🙄 #fyp #foryoupage #leethe4th #memes #tall #funny #lol.mp4'
file 'Part 2 #fyp #foryou #viral #foryoupageofficiall #funny #trending.mp4'
file 'Lmfao 😂 (via @danibreezy01) #lmao #lmfao #funny #cousins #family #fyp #foryou #foryoupage.mp4'
file 'When you are a clumsy kitty #trend #joke #Khaleesi #funny #kittensoftiktok #foryou #fyp #foryoupage #cute #catsoftiktok.mp4'
file 'Tag That Friend That Always Be Falling Asleep 😂 #foryou #funny #fail #nap #sleep #pennsylvania #SHEINcares #viral #trending #meme #memes #foryoupage.mp4'
file '#funny #funnyvideos #girlfriend #crzy #Birdshit.mp4'
file 'He forgot he was a dog.                #dog #fyp #talkingdog #cute #pet #funny.mp4'
file 'Bad Day #part1 #badday #falling #funny #memes #viral #jokes #comedy #trending #fyp #foryou #share #likes #us #uk #xyzbca  #epic #pourtoi #fail #wee.mp4'
file 'I think he got offended ( #catsoftiktok #fyp #funny #catlover #MyJob #yellow #foryoupage.mp4'
file 'They took OFF today 🐶🤠🐶 #joshbutlertv #roxyandremi #funny #comedy #dogs #viral #memes.mp4'
file 'Had to make sure momma was there #funny #fyp #raccoons #love #bff #foryoupage #ThisorThatSBLV.mp4'
file 'That\'s not how you get out... #mysterymakers #escaperoom #foryou #fyp #crazystory #friends #funny #crazy #teammate.mp4'


  


  The function throwing the exception.

  


  async function makeCompilation(paths, outPath) {
  for (const filePath of paths) {
    await fs.appendFile(
      "temp/concat.txt",
      `file '${path.basename(filePath).replace("'", "\\'")}'${os.EOL}`
    );
  }
  return new Promise((resolve, reject) => {
    ffmpeg("temp/concat.txt")
      .inputOptions(["-f concat", "-safe 0"])
      .outputOption("-c copy")
      .on("stderr", (line) => console.log(line))
      .on("end", async () => {
        await fs.rm("temp/concat.txt");
        resolve();
      })
      .save(outPath);
  });
}