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• FFmpeg java.lang.UnsatisfiedLinkError dlopen failed : library "libavutil.so" not found in Vivo model device

  9 février 2024, par sejn

  Facing a lot of crashes in the Android Vivo devices with the above error. Can I restrict this to the Vivo models in Android.

  


  I'm using the implementation 'com.arthenica:mobile-ffmpeg-full:4.4'

  


  Fatal Exception: java.lang.UnsatisfiedLinkError dlopen failed: library "libavutil.so" not found

init {
    try{
        System.loadLibrary("avutil")
        System.loadLibrary("avcodec")
        System.loadLibrary("avformat")
        System.loadLibrary("swscale")
        System.loadLibrary("avfilter")
    }
    catch (e:Exception){
        Log.i("error","${e.message}")
    }
}


  


  In app/build.gradle

  


  


  ndk 
abiFilters 'armeabi-v7a','arm64-v8a','x86','x86_64'

  


  


  Note : If I migrate to the latest version ffmpeg-kit-full:6.0-2

  


  Clarifications :

  


  

  1. Shall I need to add this below in the code as well if I use the FFmpeg-kit

  


  2. If I did not need to use means, does it make any issues in the app ?.(i.e) if I removed

  


  3. Shall I need to add any additional loadlibrary in the init ?

  


  4. Is there any simple fix for the above error for Oppo alone without migrating ?

  


  5. Shall I need to add these architectures in ndk of my app ?

  


  


  


  arm-v7a, arm-v7a-neon, arm64-v8a, x86 and x86_64 architectures

  


  


   init {
        try{
            System.loadLibrary("avutil")
            System.loadLibrary("avcodec")
            System.loadLibrary("avformat")
            System.loadLibrary("swscale")
            System.loadLibrary("avfilter")
        }
        catch (e:Exception){
            Log.i("error","${e.message}")
        }
    }


  


• Issue with yt-dlp and FFMPEG Converting Webm to MP4 for 360 video : Unsupported channel layout "ambisonic 1"

  22 janvier 2024, par William L W L

  I am trying to convert .webm files to mp4. These are 360 videos that have been downloaded using yt-dlp.

  


  I have been using this command successfully, but it does not work on an M2 macbook pro. It works fine on PC.

  


  ffmpeg -y -i "/Users/x/Movies/Tropical_Rainforest_360.webm" -c:v libx265 -preset fast -crf 21 -vf "scale=4096x4096:out_range=full" -pix_fmt yuvj420p -aspect 1:1 -movflags faststart "/Users/x/Movies/Tropical_Rainforest_360.mp4"


  


  The error messages are as follows :

  


  [aac @ 0x12ae1fea0] Unsupported channel layout "ambisonic 1"
[aac @ 0x12ae1fea0] Qavg: nan
[aost#0:1/aac @ 0x12ae1fc30] Error while opening encoder - maybe incorrect parameters such as bit_rate, rate, width or height.
Error while filtering: Invalid argument
[swscaler @ 0x110dd0000] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x120158000] deprecated pixel format used, make sure you did set range correctly
[swscaler @ 0x130208000] deprecated pixel format used, make sure you did set range correctly
    Last message repeated 1 times
[out#0/mp4 @ 0x600003f8c480] Nothing was written into output file, because at least one of its streams received no packets.
frame=    0 fps=0.0 q=0.0 Lsize=       0kB time=N/A bitrate=N/A speed=N/A    
Conversion failed!



  


  Context : I work in an educational setting which caters for vulnearble pupils. We cannot use Youtube in real time, this is mainly due to adverts or suggested videos that may trigger our pupils. Some children have mental health issues. Some children have also not been outdoors for several months/years due to medical conditions. We use 360 videos and VR to help bring the outside world inside, The YoutubeVR app is not an option since there is no way to install adblockers.

  


  The same script above works fine on a PC virtual machine which I can remote into from my Mac.

  


• Scale with scale_vaapi and than pad, got error. Seems ok without "pad"

  24 mai 2023, par huangda1982

  My computer : customized Linux, haswell
I am trying to scale 1280x720 video to 640x450 in 640x480 frame with black borders. To do so, I run this command :

  


  ffmpeg -v warning -hide_banner -init_hw_device vaapi=vaapi0:/dev/dri/renderD128 -hwaccel vaapi -hwaccel_output_format vaapi -hwaccel_device vaapi0 -filter_hw_device vaapi0 -i 'my_video.mp4' -vf 'scale_vaapi=640:450,pad=640:480:0:14' -c:v h264_vaapi -q:v 18 -profile:v main -level 3.1 -c:a aac -q:a 3 -f mp4 out.mp4 -loglevel verbose


  


  And I got this error :

  


  Impossible to convert between the formats supported by the filter &#x27;Parsed_scale_vaapi_0&#x27; and the filter &#x27;auto_scaler_0&#x27;<br />&#xA;Error reinitializing filters!&#xA;Failed to inject frame into filter network: Function not implemented&#xA;Error while processing the decoded data for stream #0:0&#xA;

  


  When I removed the ",pad=640:480:0:14" part, the command continued. I pressed ctrl-c, and did not check the result.

  


  "-q:v 18", "-level 3.1" and "-q:a" options seem not work.

  


  Full message :

  


  [h264 @ 0x55dfeb529340] Reinit context to 1280x720, pix_fmt: yuv420p
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'my_video.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: mp41
    creation_time   : 1970-01-01T00:00:00.000000Z
    encoder         : PotEncoder
  Duration: 00:22:45.01, start: 0.000000, bitrate: 3264 kb/s
  Stream #0:0(und): Video: h264 (Constrained Baseline), 1 reference frame (avc1 / 0x31637661), yuv420p(left), 1280x720 [SAR 1:1 DAR 16:9], 3068 kb/s, 23.98 fps, 23.98 tbr, 1199 tbn, 47.96 tbc (default)
    Metadata:
      creation_time   : 1970-01-01T00:00:00.000000Z
      handler_name    : VideoHandler
      vendor_id       : [0][0][0][0]
  Stream #0:1(und): Audio: mp3 (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 192 kb/s (default)
    Metadata:
      creation_time   : 1970-01-01T00:00:00.000000Z
      handler_name    : SoundHandler
      vendor_id       : [0][0][0][0]
File 'out.mp4' already exists. Overwrite? [y/N] y
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> h264 (h264_vaapi))
  Stream #0:1 -> #0:1 (mp3 (mp3float) -> aac (native))
Press [q] to stop, [?] for help
[h264 @ 0x55dfeb553e40] Reinit context to 1280x720, pix_fmt: vaapi_vld
[graph_1_in_0_1 @ 0x55dfeb6b7580] tb:1/44100 samplefmt:fltp samplerate:44100 chlayout:0x3
[graph 0 input from stream 0:0 @ 0x55dfebb4d000] w:1280 h:720 pixfmt:vaapi_vld tb:1/1199 fr:1199/50 sar:1/1
[auto_scaler_0 @ 0x55dfebb4f940] w:iw h:ih flags:'bicubic' interl:0
[Parsed_pad_1 @ 0x55dfebb4c700] auto-inserting filter 'auto_scaler_0' between the filter 'Parsed_scale_vaapi_0' and the filter 'Parsed_pad_1'
Impossible to convert between the formats supported by the filter 'Parsed_scale_vaapi_0' and the filter 'auto_scaler_0'
Error reinitializing filters!
Failed to inject frame into filter network: Function not implemented
Error while processing the decoded data for stream #0:0
[AVIOContext @ 0x55dfeb5522c0] Statistics: 0 seeks, 0 writeouts
[aac @ 0x55dfeb551600] Qavg: 354.000
[aac @ 0x55dfeb551600] 2 frames left in the queue on closing
[AVIOContext @ 0x55dfeb530500] Statistics: 1144787 bytes read, 2 seeks
Conversion failed!