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• Flutter ffmpeg kit : Invalid size error when trying to scale video

  27 juillet 2023, par veryepicdude

  I'm trying to resize a video to match instagram's video format requirements. I'm using the ffmpeg_kit_flutter_full_gpl: ^5.1.0 package to do so and this is the function I'm calling :

  


  Future<void> resizeVideo(String input, String output) async {&#xA;&#xA;  final command = &#x27;-i $input -c:v libx264 -aspect 16:9 -crf 18 -vf "scale=iw*min(1280/iw\,720/ih):ih*min(1280/iw\,720/ih),pad=1280:720:(1280-iw)/2:(720-ih)/2" -fpsmax 60 -preset ultrafast -c:a aac -b:a 128k -ac 1 -use_editlist false -ar 48000 -pix_fmt yuv420p -movflags &#x2B;faststart -t 59 -y $output&#x27;;&#xA;  final session = await FFmpegKit.execute(command);&#xA;  print("resize done with ${await session.getReturnCode()}");&#xA;}&#xA;</void>

  


  However I get this error every time :

  


   Stream #0:0[0x1](und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 60 kb/s (default)
    Metadata:
      creation_time   : 2023-07-27T15:30:28.000000Z
      handler_name    : Core Media Audio
      vendor_id       : [0][0][0][0]
  Stream #0:1[0x2](und): Video: hevc (hvc1 / 0x31637668), yuv420p(tv, smpte170m/bt709/bt709), 720x1280, 2085 kb/s, 30 fps, 30 tbr, 600 tbn (default)
    Metadata:
      creation_time   : 2023-07-27T15:30:28.000000Z
      handler_name    : Core Media Video
      vendor_id       : [0][0][0][0]
Stream mapping:
  Stream #0:1 -> #0:0 (hevc (native) -> h264 (libx264))
  Stream #0:0 -> #0:1 (aac (native) -> aac (native))
Press [q] to stop, [?] for help
[Parsed_scale_0 @ 0x2834a53f0] Invalid size 'iw*min(1280/iw'
[AVFilterGraph @ 0x28278e3a0] Error initializing filter 'scale'[AVFilterGraph @ 0x28278e3a0]  with args 'iw*min(1280/iw'[AVFilterGraph @ 0x28278e3a0] 
Error reinitializing filters!
Failed to inject frame into filter network: Invalid argument
Error while processing the decoded data for stream #0:1
[aac @ 0x105334290] Qavg: 461.613
[aac @ 0x105334290] 2 frames left in the queue on closing


  


  Removing the scale filter makes the function work fine, but it fails the instagram video requirements listed here.
Any help will be greatly appreciated.

  


• FFMPEG frame counter hangs and stop streaming

  18 janvier 2021, par user2821178

  Good morning,

  


  I use a Raspberry, linked to an IP cam, in order to send the streaming to my Facebook Page.

  


  All works good, but it happen, that for some reason facebook stops to receive the streaming, but FFMPEG continues to works.

  


  I've noticed that even if FFMPEG seems to work correctly, the frame counter stops.

  


  This is the command :

  


      RTSP_URL="rtsp://xxxxxxxxxxx/videoMain";
YOUTUBE_URL="rtmps://live-api-s.facebook.com:443/rtmp/";
YOUTUBE_KEY="zzzzzzzzzxxxxxxxxyyyyyyyyyy";
LOGO="-i yyyyyyyyyyy.png -filter_complex overlay=x=1:y=(main_h-overlay_h)";
VIDEO="-s 512:288 -c:v libx264 -x264-params nal-hrd=cbr -b:v 150k -minrate 50k -maxrate 150k -bufsize 300k";
AUDIO="-c:a aac -strict experimental";
KEYFRAME="-g 100";
OUTPUTFORMAT="-f flv";

COMMAND="sudo ffmpeg -f lavfi -i anullsrc -rtsp_transport tcp -stimeout 5000000 -i ${RTSP_URL} ${LOGO} ${VIDEO} ${AUDIO} ${KEYFRAME} ${OUTPUTFORMAT} ${YOUTUBE_URL}/${YOUTUBE_KEY}";

$COMMAND > streamOut.txt 2>&1;


  


  Here an extract of the output :

  


  ffmpeg version N-96658-g3b860bfd6f Copyright (c) 2000-2020 the FFmpeg developers
  built with gcc 6.3.0 (Raspbian 6.3.0-18+rpi1) 20170516
  configuration: --enable-gpl --enable-libx264 --enable-gpl --enable-libass --enable-libfdk-aac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libspeex --enable-librtmp --enable-libtheora --enable-libvorbis --enable-nonfree --enable-version3 --enable-nonfree
  libavutil      56. 39.100 / 56. 39.100
  libavcodec     58. 68.100 / 58. 68.100
  libavformat    58. 38.100 / 58. 38.100
  libavdevice    58.  9.103 / 58.  9.103
  libavfilter     7. 75.100 /  7. 75.100
  libswscale      5.  6.100 /  5.  6.100
  libswresample   3.  6.100 /  3.  6.100
  libpostproc    55.  6.100 / 55.  6.100
Input #0, lavfi, from 'anullsrc':
  Duration: N/A, start: 0.000000, bitrate: 705 kb/s
    Stream #0:0: Audio: pcm_u8, 44100 Hz, stereo, u8, 705 kb/s
[h264 @ 0x3415340] Missing reference picture, default is 65542
[h264 @ 0x3415340] Missing reference picture, default is 65544
[h264 @ 0x3415340] Missing reference picture, default is 65546
[h264 @ 0x3415340] Missing reference picture, default is 65548
[h264 @ 0x3415340] Missing reference picture, default is 65550
[h264 @ 0x3415340] Missing reference picture, default is 65552
[h264 @ 0x3415340] Missing reference picture, default is 65554
[h264 @ 0x3415340] Missing reference picture, default is 65556
[h264 @ 0x3415340] Missing reference picture, default is 65558
[h264 @ 0x3415340] Missing reference picture, default is 65560
[h264 @ 0x3415340] Missing reference picture, default is 65562
[h264 @ 0x3415340] Missing reference picture, default is 65564
[h264 @ 0x3415340] Missing reference picture, default is 65566
[h264 @ 0x3415340] Missing reference picture, default is 65568
[h264 @ 0x3415340] Missing reference picture, default is 65570
[h264 @ 0x3415340] Missing reference picture, default is 65572
[h264 @ 0x3415340] Missing reference picture, default is 65574
[h264 @ 0x3415340] Missing reference picture, default is 65576
[h264 @ 0x3415340] Missing reference picture, default is 65578
[h264 @ 0x3415340] Missing reference picture, default is 65580
[h264 @ 0x3415340] Missing reference picture, default is 65582
[h264 @ 0x3415340] Missing reference picture, default is 65584
[h264 @ 0x3415340] Missing reference picture, default is 65586
[h264 @ 0x3415340] Missing reference picture, default is 65588
[h264 @ 0x3415340] Missing reference picture, default is 65590
[h264 @ 0x3415340] Missing reference picture, default is 65592
Guessed Channel Layout for Input Stream #1.1 : mono
Input #1, rtsp, from 'rtsp://xxxxxxxxxxxxxxxx/videoMain':
  Metadata:
    title           : IP Camera Video
    comment         : videoMain
  Duration: N/A, start: 0.000000, bitrate: N/A
    Stream #1:0: Video: h264 (High), yuv420p(tv, bt709, progressive), 1920x1080 [SAR 1:1 DAR 16:9], 29.75 tbr, 90k tbn, 2108081.20 tbc
    Stream #1:1: Audio: pcm_mulaw, 8000 Hz, mono, s16, 64 kb/s
Input #2, png_pipe, from 'zzzzzzzzzzz.png':
  Duration: N/A, bitrate: N/A
    Stream #2:0: Video: png, rgba(pc), 500x233 [SAR 3778:3778 DAR 500:233], 25 tbr, 25 tbn, 25 tbc
Stream mapping:
  Stream #1:0 (h264) -> overlay:main (graph 0)
  Stream #2:0 (png) -> overlay:overlay (graph 0)
  overlay (graph 0) -> Stream #0:0 (libx264)
  Stream #0:0 -> #0:1 (pcm_u8 (native) -> aac (native))
Press [q] to stop, [?] for help
[rtsp @ 0x34127d0] Thread message queue blocking; consider raising the thread_queue_size option (current value: 8)
[h264 @ 0x34e0890] Missing reference picture, default is 65542
[h264 @ 0x3467ba0] Missing reference picture, default is 65544
[h264 @ 0x342e220] Missing reference picture, default is 65546
[h264 @ 0x35727c0] Missing reference picture, default is 65548
[h264 @ 0x34ffed0] Missing reference picture, default is 65550
[h264 @ 0x34e0890] Missing reference picture, default is 65552
[h264 @ 0x3467ba0] Missing reference picture, default is 65554
[h264 @ 0x342e220] Missing reference picture, default is 65556
[h264 @ 0x35727c0] Missing reference picture, default is 65558
[h264 @ 0x34ffed0] Missing reference picture, default is 65560
[h264 @ 0x34e0890] Missing reference picture, default is 65562
[h264 @ 0x3467ba0] Missing reference picture, default is 65564
[h264 @ 0x342e220] Missing reference picture, default is 65566
[h264 @ 0x35727c0] Missing reference picture, default is 65568
[h264 @ 0x34ffed0] Missing reference picture, default is 65570
[h264 @ 0x34e0890] Missing reference picture, default is 65572
[h264 @ 0x3467ba0] Missing reference picture, default is 65574
[h264 @ 0x342e220] Missing reference picture, default is 65576
[h264 @ 0x35727c0] Missing reference picture, default is 65578
[h264 @ 0x34ffed0] Missing reference picture, default is 65580
[h264 @ 0x34e0890] Missing reference picture, default is 65582
[h264 @ 0x3467ba0] Missing reference picture, default is 65584
[h264 @ 0x342e220] Missing reference picture, default is 65586
[h264 @ 0x35727c0] Missing reference picture, default is 65588
[h264 @ 0x34ffed0] Missing reference picture, default is 65590
[h264 @ 0x34e0890] Missing reference picture, default is 65592
frame=    0 fps=0.0 q=0.0 size=       0kB time=-577014:32:22.77 bitrate=  -0.0kbits/s speed=N/A    
[libx264 @ 0x344a2b0] using SAR=1/1
[libx264 @ 0x344a2b0] using cpu capabilities: ARMv6 NEON
[libx264 @ 0x344a2b0] profile High, level 2.1, 4:2:0, 8-bit
[libx264 @ 0x344a2b0] 264 - core 159 r2991 1771b55 - H.264/MPEG-4 AVC codec - Copyleft 2003-2019 - 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=100 keyint_min=10 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=cbr mbtree=1 bitrate=150 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=150 vbv_bufsize=300 nal_hrd=cbr filler=1 ip_ratio=1.40 aq=1:1.00
Output #0, flv, to 'rtmps://live-api-s.facebook.com:443/rtmp//xzxzxxzxzxzxxzxzxzxzxxzxzxzxzxzx':
  Metadata:
    encoder         : Lavf58.38.100
    Stream #0:0: Video: h264 (libx264) ([7][0][0][0] / 0x0007), yuv420p, 512x288 [SAR 1:1 DAR 16:9], q=-1--1, 150 kb/s, 29.75 fps, 1k tbn, 29.75 tbc (default)
    Metadata:
      encoder         : Lavc58.68.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 150000/0/150000 buffer size: 300000 vbv_delay: N/A
    Stream #0:1: Audio: aac (LC) ([10][0][0][0] / 0x000A), 44100 Hz, stereo, fltp, 128 kb/s
    Metadata:
      encoder         : Lavc58.68.100 aac
frame=   10 fps=9.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
frame=   22 fps= 14 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
frame=   34 fps= 16 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
frame=   45 fps= 17 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=   0x    
frame=   52 fps= 16 q=29.0 size=      26kB time=00:00:01.85 bitrate= 116.1kbits/s speed=0.584x    
frame=   63 fps= 17 q=22.0 size=      29kB time=00:00:02.52 bitrate=  93.7kbits/s speed=0.68x    
......
...... 
frame=11279 fps= 14 q=20.0 size=   15356kB time=00:13:06.05 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
frame=11287 fps= 14 q=20.0 size=   15362kB time=00:13:06.58 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.967x    
frame=11295 fps= 14 q=23.0 size=   15373kB time=00:13:07.09 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.967x    
frame=11302 fps= 14 q=24.0 size=   15380kB time=00:13:07.55 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
frame=11309 fps= 14 q=23.0 size=   15386kB time=00:13:08.00 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
frame=11317 fps= 14 q=22.0 size=   15402kB time=00:13:08.50 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
frame=11325 fps= 14 q=23.0 size=   15408kB time=00:13:09.00 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
frame=11332 fps= 14 q=23.0 size=   15416kB time=00:13:09.48 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
frame=11340 fps= 14 q=21.0 size=   15454kB time=00:13:09.98 bitrate= 160.3kbits/s dup=0 drop=433 speed=0.966x    
frame=11348 fps= 14 q=21.0 size=   15459kB time=00:13:10.52 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.966x    
frame=11356 fps= 14 q=22.0 size=   15466kB time=00:13:11.02 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.966x    
frame=11364 fps= 14 q=21.0 size=   15472kB time=00:13:11.56 bitrate= 160.1kbits/s dup=0 drop=433 speed=0.966x    
frame=11372 fps= 14 q=21.0 size=   15477kB time=00:13:12.03 bitrate= 160.1kbits/s dup=0 drop=433 speed=0.966x    
frame=11380 fps= 14 q=21.0 size=   15488kB time=00:13:12.59 bitrate= 160.1kbits/s dup=0 drop=433 speed=0.966x    
frame=11388 fps= 14 q=21.0 size=   15493kB time=00:13:13.07 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
[rtsp @ 0x34127d0] CSeq 29 expected, 0 received.
    Last message repeated 1 times
frame=11396 fps= 14 q=22.0 size=   15500kB time=00:13:13.61 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
[rtsp @ 0x34127d0] CSeq 29 expected, 0 received.
    Last message repeated 3 times
frame=11404 fps= 14 q=20.0 size=   15507kB time=00:13:14.11 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
[rtsp @ 0x34127d0] CSeq 29 expected, 0 received.
    Last message repeated 4 times
frame=11412 fps= 14 q=23.0 size=   15520kB time=00:13:14.65 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
[rtsp @ 0x34127d0] CSeq 29 expected, 0 received.
frame=11419 fps= 14 q=20.0 size=   15527kB time=00:13:15.12 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
[rtsp @ 0x34127d0] CSeq 29 expected, 0 received.
    Last message repeated 1 times
frame=11424 fps= 14 q=20.0 size=   15534kB time=00:13:15.46 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
frame=11431 fps= 14 q=22.0 size=   15540kB time=00:13:15.86 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
frame=11439 fps= 14 q=21.0 size=   15579kB time=00:13:16.37 bitrate= 160.3kbits/s dup=0 drop=433 speed=0.966x    
frame=11446 fps= 14 q=21.0 size=   15583kB time=00:13:16.80 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.966x    
......
...... 
frame=11811 fps= 14 q=21.0 size=   16022kB time=00:13:40.33 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
frame=11819 fps= 14 q=21.0 size=   16031kB time=00:13:40.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
frame=11827 fps= 14 q=21.0 size=   16041kB time=00:13:41.37 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
frame=11834 fps= 14 q=25.0 size=   16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.966x    
frame=11834 fps= 14 q=25.0 size=   16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.965x    
frame=11834 fps= 14 q=25.0 size=   16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.965x    
frame=11834 fps= 14 q=25.0 size=   16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.964x    
frame=11834 fps= 14 q=25.0 size=   16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.964x    
frame=11834 fps= 14 q=25.0 size=   16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.963x    
frame=11834 fps= 14 q=25.0 size=   16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.962x    
frame=11834 fps= 14 q=25.0 size=   16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.962x    
frame=11834 fps= 14 q=25.0 size=   16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.961x    
frame=11834 fps= 14 q=25.0 size=   16052kB time=00:13:41.84 bitrate= 160.0kbits/s dup=0 drop=433 speed=0.961x    
frame=11835 fps= 14 q=21.0 size=   16076kB time=00:13:41.91 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.96x    
frame=11835 fps= 14 q=21.0 size=   16076kB time=00:13:41.91 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.96x    
frame=11835 fps= 14 q=21.0 size=   16076kB time=00:13:41.91 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.959x    
frame=11835 fps= 14 q=21.0 size=   16076kB time=00:13:41.91 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.959x    
frame=11835 fps= 14 q=21.0 size=   16076kB time=00:13:41.91 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.958x    
frame=11835 fps= 14 q=21.0 size=   16076kB time=00:13:41.91 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.957x    
frame=11835 fps= 14 q=21.0 size=   16076kB time=00:13:41.91 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.957x    
frame=11835 fps= 14 q=21.0 size=   16076kB time=00:13:41.91 bitrate= 160.2kbits/s dup=0 drop=433 speed=0.956x    
......
...... 
frame=11839 fps=9.0 q=22.0 size=   23189kB time=02:16:02.34 bitrate=  23.3kbits/s dup=0 drop=433 speed=6.22x    
frame=11839 fps=9.0 q=22.0 size=   23197kB time=02:16:10.66 bitrate=  23.3kbits/s dup=0 drop=433 speed=6.22x    
frame=11839 fps=9.0 q=22.0 size=   23205kB time=02:16:18.92 bitrate=  23.2kbits/s dup=0 drop=433 speed=6.23x    
frame=11839 fps=9.0 q=22.0 size=   23213kB time=02:16:27.19 bitrate=  23.2kbits/s dup=0 drop=433 speed=6.23x    
frame=11839 fps=9.0 q=22.0 size=   23221kB time=02:16:35.34 bitrate=  23.2kbits/s dup=0 drop=433 speed=6.23x    
frame=11839 fps=9.0 q=22.0 size=   23229kB time=02:16:43.67 bitrate=  23.2kbits/s dup=0 drop=433 speed=6.24x    
frame=11839 fps=9.0 q=22.0 size=   23237kB time=02:16:51.89 bitrate=  23.2kbits/s dup=0 drop=433 speed=6.24x    
frame=11839 fps=9.0 q=22.0 size=   23245kB time=02:17:00.12 bitrate=  23.2kbits/s dup=0 drop=433 speed=6.25x    
frame=11839 fps=9.0 q=22.0 size=   23253kB time=02:17:08.43 bitrate=  23.2kbits/s dup=0 drop=433 speed=6.25x    



  


  There is a way to stops FFMPEG when this happen ?

  


  Thanks !

  


• Revision 34537 : un pour englober le contenu principal de ...

  17 janvier 2010, par cedric@… — Log

  un pour englober le contenu principal de chaque objet. Permet de cibler le debut ou la fin du contenu principal, ou, en passant par le parent, la fin du contenu.