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• FFmpegKit : "Operation not permitted" in many android devices [closed]

  26 août 2023, par Mrm

  I'm using FFmpegKit 5.1.LTS in my application. A lot of my users have reported that they cannot edit videos (10%). When I tried to obtain their logs, I noticed that many of them are encountering an 'Operation not permitted' error. My users have granted all the necessary storage permissions (READ_EXTERNAL_STORAGE, WRITE_EXTERNAL_STORAGE).

  


  Here is an example :

  


  User device :

  


  Manufacturer : Sony
  
Model : SOG05
  
ABI : [arm64-v8a, armeabi-v7a, armeabi]
  
Android SDK : 33

  


  Command :
ffmpeg -y -ss 12.789 -to 32.654  -i "/storage/emulated/0/Movies/lts/lts_20230824_100739.mp4" -filter_complex "[0:v:0] scale=1080:2520,setsar=1/1[v0];[0:a:0]atempo=1.0,volume=1.0[a0]; [v0] [a0] concat=n=1:v=1:a=1[conv][cona];[conv] drawtext=fontfile=/system/fonts/Roboto-Regular.ttf:text=lts edit:x=(w-text_w-69.55932):y=(h-text_h-36.61017):fontsize=84:fontcolor=white:shadowcolor=black:shadowx=5.4915257:shadowy=5.4915257[conv]" -map "[conv]" -map "[cona]"  -c:v libx264 -force_key_frames 'expr:gte(t,n_forced*1)' -preset ultrafast  -r 30  -shortest /storage/emulated/0/Movies/lts/lts_20230826_092915_edited.mp4

  


  And the full log :

  


  ffmpeg version n5.1.2 Copyright (c) 2000-2022 the FFmpeg developers
  built with Android (7155654, based on r399163b1) clang version 11.0.5 (https://android.googlesource.com/toolchain/llvm-project 87f1315dfbea7c137aa2e6d362dbb457e388158d)

  configuration: --cross-prefix=aarch64-linux-android- --sysroot=/files/android-sdk/ndk/22.1.7171670/toolchains/llvm/prebuilt/linux-x86_64/sysroot --prefix=/home/taner/Projects/ffmpeg-kit/prebuilt/android-arm64-lts/ffmpeg --pkg-config=/usr/bin/pkg-config --enable-version3 --arch=aarch64 --cpu=armv8-a --target-os=android --enable-neon --enable-asm --enable-inline-asm --ar=aarch64-linux-android-ar --cc=aarch64-linux-android21-clang --cxx=aarch64-linux-android21-clang++ --ranlib=aarch64-linux-android-ranlib --strip=aarch64-linux-android-strip --nm=aarch64-linux-android-nm --extra-libs='-L/home/taner/Projects/ffmpeg-kit/prebuilt/android-arm64-lts/cpu-features/lib -lndk_compat' --disable-autodetect --enable-cross-compile --enable-pic --enable-jni --enable-optimizations --enable-swscale --disable-static --enable-shared --enable-pthreads --enable-v4l2-m2m --disable-outdev=fbdev --disable-indev=fbdev --enable-small --disable-xmm-clobber-test --disable-debug --enable-lto --disable-neon-clobber-test --disable-programs --disable-postproc --disable-doc --disable-htmlpages --disable-manpages --disable-podpages --disable-txtpages --disable-sndio --disable-schannel --disable-securetransport --disable-xlib --disable-cuda --disable-cuvid --disable-nvenc --disable-vaapi --disable-vdpau --disable-videotoolbox --disable-audiotoolbox --disable-appkit --disable-alsa --disable-cuda --disable-cuvid --disable-nvenc --disable-vaapi --disable-vdpau --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-gmp --enable-gnutls --enable-libmp3lame --enable-libass --enable-iconv --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libxml2 --enable-libopencore-amrnb --enable-libshine --enable-libspeex --enable-libdav1d --enable-libkvazaar --enable-libx264 --enable-libxvid --enable-libx265 --enable-libvidstab --enable-libilbc --enable-libopus --enable-libsnappy --enable-libsoxr --enable-libtwolame --disable-sdl2 --enable-libvo-amrwbenc --enable-libzimg --disable-openssl --enable-zlib --enable-mediacodec --enable-gpl

  libavutil      57. 28.100 / 57. 28.100
  libavcodec     59. 37.100 / 59. 37.100
  libavformat    59. 27.100 / 59. 27.100
  libavdevice    59.  7.100 / 59.  7.100
  libavfilter     8. 44.100 /  8. 44.100
  libswscale      6.  7.100 /  6.  7.100
  libswresample   4.  7.100 /  4.  7.100

Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/storage/emulated/0/Movies/lts/lts_20230824_100739.mp4':

  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: isommp42
    creation_time   : 2023-08-24T01:08:17.000000Z
    com.android.version: 13
  Duration: 00:00:34.27, start: 0.000000, bitrate: 16316 kb/s
  Stream #0:0[0x1](eng): Video: h264 (avc1 / 0x31637661), yuv420p(tv, bt470bg/bt470bg/smpte170m, progressive), 1080x2520, 16181 kb/s, 59.11 fps, 90k tbr, 90k tbn (default)
    Metadata:
      creation_time   : 2023-08-24T01:08:17.000000Z
      handler_name    : VideoHandle
      vendor_id       : [0][0][0][0]

  Stream #0:1[0x2](eng): Audio: aac (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 128 kb/s (default)
    Metadata:
      creation_time   : 2023-08-24T01:08:17.000000Z
      handler_name    : SoundHandle
      vendor_id       : [0][0][0][0]

/storage/emulated/0/Movies/lts/lts_20230826_092915_edited.mp4: Operation not permitted


  


• ffmpeg video processing command does not end

  24 août 2023, par Harry

  I am using ffmpeg to create a video processing lambda, I attached the log for the processing input below and the process never completes sometimes and other times it takes no more than 2 minutes. This also does not throw and error but just does not complete for certain videos.

  


  2023-08-24T22:49:18.633Z    bebc42e9-a60a-4e12-a5a1-ad3f2950f1f3    INFO    Spawned Ffmpeg with command: ffmpeg -i /tmp/input.mp4 -i /tmp/background.mp4 -i /tmp/input_colored.ass -y -filter_complex 
  [0:v]scale=-1:853.3333333333334,crop=1080:853.3333333333334:540:426.6666666666667[videoOne];
  [1:v]scale=-1:1066.6666666666667,crop=1080:1066.6666666666667:540:533.3333333333334[videoTwo];
  [videoOne][videoTwo]vstack=shortest=1[vstacked];
  [vstacked]subtitles=/tmp/input_colored.ass:fontsdir=/tmp/fonts/:force_style='Alignment=2,Shadow=2,OutlineColour=#000000,Fontsize=18,Fontname=Burbank Big Condensed
'
 -c:v libx264 -preset fast -crf 18 -aspect 9:16 -f mp4 /tmp/_1692917333426-rah10.mp4_output.mp4



  


  The intention is to provide two videos with varying lengths and have them stack on top of each other vertically with subtitles and a length of the shortest video.
I am running the function in a lambda and even with a timeout of 10 minutes it does not complete for certain videos but for others it does complete, please help me to resolve this.

  


• Why ffmpeg hangs encoding a void audio track ?

  23 août 2023, par SkizZO

  I've googled an entire day experimenting all possible solutions, but noone had worked.
I have 2 HIK dvr (one is prehistoric vith analogic video). I've made a bash script to retrieve X seconds (as input) of the DVR stored videos (it cut seconds if video ends early) ; also record X seconds of Live view (used for saving Motion Alert in Home assistant).

  


  All works well, BUT i have some issues, and the big one is that when the video has no audio, the download hangs at 9.96 seconds for the old device, and 9.97sec for the new (damn !).

  


  Now let's look at the commands and the logs.

  


  Command : this works with cams with audio, but hangs if cam has an audio silent track ?

  


  makejob=$(ffmpeg -fflags +genpts -y -ac 1 -channel_layout mono -rtsp_transport tcp -hide_banner -loglevel info -err_detect ignore_err -i  "rtsp://$user:$dvrpasswd@$dvraddress:554/ISAPI/streaming/tracks/${camnumber}01?starttime=$starttime&endtime=$endTime" -map 0:v -map 0:a? -ar 44100 -filter:a "volume=$volume" -t $seconds -acodec aac -vcodec copy $filepathname)


  


  (A) result Cam with audio : errors too, but works recording both video and audio

  


  Downloading from DVR BeB-DVR a 7 seconds video of the CAM CAMERA-1 recorded from 2023-08-19 10:10:10
Input #0, rtsp, from 'rtsp://$user:$dvrpasswd@$dvraddress:554/ISAPI/streaming/tracks/101?starttime=20230819T101010Z&endtime=20230819T101020Z':
  Metadata:
    title           : HIK Media Server V4.32.116
    comment         : HIK Media Server Session Description : standard
  Duration: 462428:22:56.-75, start: 0.000000, bitrate: N/A
    Stream #0:0: Video: h264 (Baseline), yuvj420p(pc, bt709, progressive), 1920x1080, 25 fps, 25 tbr, 90k tbn, 180k tbc
    Stream #0:1: Audio: pcm_mulaw, 8000 Hz, mono, s16, 64 kb/s
Output #0, mp4, to '/home/pi/hikdwn/downloaded/BeB-DVR-CAMERA-1-2023-08-19-h01010-(10s).mp4':
  Metadata:
    title           : HIK Media Server V4.32.116
    comment         : HIK Media Server Session Description : standard
    encoder         : Lavf57.56.101
    Stream #0:0: Video: h264 (Baseline) ([33][0][0][0] / 0x0021), yuvj420p(pc, bt709, progressive), 1920x1080, q=2-31, 25 fps, 25 tbr, 90k tbn, 90k tbc
    Stream #0:1: Audio: aac (LC) ([64][0][0][0] / 0x0040), 44100 Hz, mono, fltp, 69 kb/s
    Metadata:
      encoder         : Lavc57.64.101 aac
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
  Stream #0:1 -> #0:1 (pcm_mulaw (native) -> aac (native))
Press [q] to stop, [?] for help
[mp4 @ 0x212a9d0] Timestamps are unset in a packet for stream 0. This is deprecated and will stop working in the future. Fix your code to set the timestamps properly
frame=  175 fps= 33 q=-1.0 Lsize=    1708kB time=00:00:07.00 bitrate=1998.8kbits/s speed=1.34x
video:1643kB audio:60kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.350157%
[aac @ 0x212cf00] Qavg: 111.884
Download completed!


  


  (B) result Cam withouth audio (on both DVRs) : hangs before completing the download, the file saved is 0kb

  


  (B) on DVR1 (newer one) hangs

  


  Input #0, rtsp, from 'rtsp://$user:$dvrpasswd@$dvraddress:554/ISAPI/streaming/tracks/501?starttime=20230819T101010Z&endtime=20230819T101020Z':
  Metadata:
    title           : HIK Media Server V4.32.116
    comment         : HIK Media Server Session Description : standard
  Duration: 462428:23:09.-90, start: 0.020000, bitrate: N/A
    Stream #0:0: Video: hevc (Main), yuv420p(tv), 2560x1440, 50 fps, 25 tbr, 90k tbn, 50 tbc
    Stream #0:1: Audio: pcm_mulaw, 8000 Hz, mono, s16, 64 kb/s
Output #0, mp4, to '/home/pi/hikdwn/downloaded/BeB-DVR-CAMERA-5-2023-08-19-h01010-(10s).mp4':
  Metadata:
    title           : HIK Media Server V4.32.116
    comment         : HIK Media Server Session Description : standard
    encoder         : Lavf57.56.101
    Stream #0:0: Video: hevc (Main) ([35][0][0][0] / 0x0023), yuv420p(tv), 2560x1440, q=2-31, 50 fps, 25 tbr, 90k tbn, 90k tbc
    Stream #0:1: Audio: aac (LC) ([64][0][0][0] / 0x0040), 44100 Hz, mono, fltp, 69 kb/s
    Metadata:
      encoder         : Lavc57.64.101 aac
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
  Stream #0:1 -> #0:1 (pcm_mulaw (native) -> aac (native))
Press [q] to stop, [?] for help
frame=  251 fps=149 q=-1.0 size=       0kB time=00:00:09.97 bitrate=   0.0kbits/s speed=5.94x


  


  (B) on DVR2 (older) hangs with errors also

  


  Input #0, rtsp, from 'rtsp://$user:$dvrpasswd@$dvraddress:554/ISAPI/streaming/tracks/501?starttime=20230819T101010Z&endtime=20230819T101020Z':
  Metadata:
    title           : HIK Media Server V3.1.4
    comment         : HIK Media Server Session Description : standard
  Duration: 97123:37:11.-81, start: 0.240000, bitrate: N/A
    Stream #0:0: Video: h264 (Baseline), yuv420p(progressive), 352x288, 25 fps, 25 tbr, 90k tbn, 50 tbc
    Stream #0:1: Audio: pcm_mulaw, 8000 Hz, mono, s16, 64 kb/s
Output #0, mp4, to '/home/pi/hikdwn/downloaded/HomeDVR-VIALE-2023-08-19-h01010-(10s).mp4':
  Metadata:
    title           : HIK Media Server V3.1.4
    comment         : HIK Media Server Session Description : standard
    encoder         : Lavf57.56.101
    Stream #0:0: Video: h264 (Baseline) ([33][0][0][0] / 0x0021), yuv420p(progressive), 352x288, q=2-31, 25 fps, 25 tbr, 90k tbn, 90k tbc
    Stream #0:1: Audio: aac (LC) ([64][0][0][0] / 0x0040), 44100 Hz, mono, fltp, 69 kb/s
    Metadata:
      encoder         : Lavc57.64.101 aac
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
  Stream #0:1 -> #0:1 (pcm_mulaw (native) -> aac (native))
Press [q] to stop, [?] for help
[mp4 @ 0x1377ce0] Non-monotonous DTS in output stream 0:0; previous: 2, current: -17998; changing to 3. This may result in incorrect timestamps in the output file.
[mp4 @ 0x1377ce0] Non-monotonous DTS in output stream 0:0; previous: 3, current: -14398; changing to 4. This may result in incorrect timestamps in the output file.
[mp4 @ 0x1377ce0] Non-monotonous DTS in output stream 0:0; previous: 4, current: -10798; changing to 5. This may result in incorrect timestamps in the output file.
[mp4 @ 0x1377ce0] Non-monotonous DTS in output stream 0:0; previous: 5, current: -7198; changing to 6. This may result in incorrect timestamps in the output file.
[mp4 @ 0x1377ce0] Non-monotonous DTS in output stream 0:0; previous: 6, current: -3600; changing to 7. This may result in incorrect timestamps in the output file.
[mp4 @ 0x1377ce0] Non-monotonous DTS in output stream 0:0; previous: 7, current: 2; changing to 8. This may result in incorrect timestamps in the output file.
frame=  256 fps= 49 q=-1.0 size=       0kB time=00:00:09.96 bitrate=   0.0kbits/s speed=1.89x


  


  I suppose it's due to the missing timestamps. Note that also when there is no audio, there is an audio track in the video. It hangs when trying to encode that void track.

  


  (i will comment with logs where no audio is recorded, it works with some errors... maybe other useful infos are there)