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• Why is my discord.py bot not having voice while being hosted on Heroku ?

  24 juillet 2020, par Flying Thunder

  My bot is all set up and running, everything works, EXCEPT for voice : He joins the channel, but doesnt play audio. I have heard many different claims for what the reason is (no permission to use ffmpeg.exe, missing buildpack, missing dependency, Heroku blocking UDP on free users...) - but i hope that someone here ACTUALLY knows what the problem is, because i couldnt find any definitive reason online.

  


  This is the code of the bot : https://github.com/FlyingThunder/DiscordBot/blob/master/main.py
Everything is working fine on my machine.
This is the only error that Heroku logs gave me :
2020-07-24T06:28:30.329937+00:00 app[worker.1]: PermissionError: [Errno 13] Permission denied: 'res/ffmpeg.exe'

  


  I already tried adding https://github.com/jonathanong/heroku-buildpack-ffmpeg-latest.git to my buildpacks, and i added cffi==1.14.0 to my requirements.txt - both solutions that are supposed to fix this exact issue.

  


• FFMpeg - Overlay not being shown when enable=between parameter is added

  19 août 2020, par Khawar Raza

  I am using below command to add transitions effect between videos using overlays such that when one videos is about to finish, the overlay gets visible. Before showing overlays, I have to add padding and concatenate videos make one single video and then display overlays. :

  


  ffmpeg 
-i input1.mp4 
-i input2.mp4 
-i input3.mp4 
-i transition1.mp4 
-i transition2.mp4 
-filter_complex 
"[0:v]pad=width=1080:height=1920:x=(1080-iw)*0.5:y=(1920-ih)*0.5:color=black[video0];
[1:v]pad=width=1080:height=1920:x=(1080-iw)*0.5:y=(1920-ih)*0.5:color=black[video1];
[2:v]pad=width=1080:height=1920:x=(1080-iw)*0.5:y=(1920-ih)*0.5:color=black[video2];
[video0][video1][video2]concat=n=3:v=1:a=0[outv];
[3:v]colorkey=0x00d800:0.1[t0];
[t0]scale=w=1080:h=1920[tr0];
[4:v]colorkey=0x00d800:0.1[t1];
[t1]scale=w=1080:h=1920[tr1];
[outv][tr0]overlay=0:0:enable='between(t\,7\,9)'[out0];
[out0][tr1]overlay=0:0:enable='between(t\,12\,15)'[out1];
[0:a][1:a][2:a]concat=n=3:v=0:a=1[audio]" 
-vsync 0 -c:v libx264 -pix_fmt yuv420p -map [out1] -map [audio] -preset ultrafast output.mp4


  


  But above command does not show any overlay video. If I remove enable=between(t, start, end) from overlay parameters, all the overlay gets displayed at video start. I am very beginner to video editing and to FFMpeg. Can anybody guide me what I am doing wrong here ?

  


  Here is the log from console :

  


  ffmpeg version v4.4-dev-416
I/mobile-ffmpeg:  Copyright (c) 2000-2020 the FFmpeg developers
      built with Android (6454773 based on r365631c2) clang version 9.0.8 (https://android.googlesource.com/toolchain/llvm-project 98c855489587874b2a325e7a516b99d838599c6f) (based on LLVM 9.0.8svn)
      configuration: --cross-prefix=aarch64-linux-android- --sysroot=/files/android-sdk/ndk/21.3.6528147/toolchains/llvm/prebuilt/linux-x86_64/sysroot --prefix=/home/taner/Projects/mobile-ffmpeg/prebuilt/android-arm64/ffmpeg --pkg-config=/usr/bin/pkg-config --enable-version3 --arch=aarch64 --cpu=armv8-a --cc=aarch64-linux-android24-clang --cxx=aarch64-linux-android24-clang++ --extra-libs='-L/home/taner/Projects/mobile-ffmpeg/prebuilt/android-arm64/cpu-features/lib -lndk_compat' --target-os=android --enable-neon --enable-asm --enable-inline-asm --enable-cross-compile --enable-pic --enable-jni --enable-optimizations --enable-swscale --enable-shared --enable-v4l2-m2m --disable-outdev=fbdev --disable-indev=fbdev --enable-small --disable-openssl --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-static --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-libwavpack --enable-libkvazaar --enable-libx264 --enable-gpl --enable-libxvid --enable-gpl --enable-libx265 --enable-gpl --enable-libvidstab --enable-gpl --enable-libilbc --enable-libopus --enable-libsnappy --enable-libsoxr --enable-libaom --enable-libtwolame --disable-sdl2 --enable-libvo-amrwbenc --enable-zlib --enable-mediacodec
      libavutil      56. 55.100 / 56. 55.100
      libavcodec     58. 96.100 / 58. 96.100
      libavformat    58. 48.100 / 58. 48.100
      libavdevice    58. 11.101 / 58. 11.101
      libavfilter     7. 87.100 /  7. 87.100
      libswscale      5.  8.100 /  5.  8.100
      libswresample   3.  8.100 /  3.  8.100

I/mobile-ffmpeg: Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'input1.mp4':
      Metadata:
        major_brand     : 
    mp42
        minor_version   : 
    0
        compatible_brands: 
    isommp42
        creation_time   : 
    2020-08-12T17:21:49.000000Z
        com.android.version: 
    9
      Duration: 
I/mobile-ffmpeg: 00:00:08.12
    , start: 
    0.000000
    , bitrate: 
    17298 kb/s
        Stream #0:0
    (eng)
    : Video: h264 (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080, 16309 kb/s
    , SAR 1:1 DAR 16:9
    , 
    28.70 fps, 
    29.50 tbr, 
    90k tbn, 
    60 tbc
     (default)
        Metadata:
          rotate          : 
    90
          creation_time   : 
    2020-08-12T17:21:49.000000Z
          handler_name    : 
    VideoHandle
        Side data:
          
    displaymatrix: rotation of -90.00 degrees
        Stream #0:1
I/mobile-ffmpeg: (eng)
    : Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 192 kb/s
     (default)
        Metadata:
          creation_time   : 
    2020-08-12T17:21:49.000000Z
          handler_name    : 
    SoundHandle
I/mobile-ffmpeg: Input #1, mov,mp4,m4a,3gp,3g2,mj2, from 'input2.mp4':
      Metadata:
        major_brand     : 
    isom
        minor_version   : 
    512
        compatible_brands: 
    isomiso2avc1mp41
        encoder         : 
    Lavf57.25.100
I/mobile-ffmpeg:   Duration: 
    00:00:05.97
    , start: 
    0.000000
    , bitrate: 
    770 kb/s
        Stream #1:0
    (und)
    : Audio: aac (mp4a / 0x6134706D), 22050 Hz, stereo, fltp, 128 kb/s
     (default)
        Metadata:
          handler_name    : 
    SoundHandler
        Stream #1:1
    (und)
    : Video: h264 (avc1 / 0x31637661), yuv420p, 368x480, 608 kb/s
    , 
    27.29 fps, 
I/mobile-ffmpeg: 120 tbr, 
    12k tbn, 
    60 tbc
     (default)
        Metadata:
          handler_name    : 
    VideoHandler
I/mobile-ffmpeg: Input #2, mov,mp4,m4a,3gp,3g2,mj2, from 'input3.mp4':
      Metadata:
        major_brand     : 
    isom
        minor_version   : 
    512
        compatible_brands: 
    isomiso2avc1mp41
I/mobile-ffmpeg:     encoder         : 
    Lavf55.19.104
      Duration: 
    00:00:13.05
    , start: 
    0.000000
    , bitrate: 
    2453 kb/s
        Chapter #2:0: 
    start 0.000000, 
    end 13.033000
        Metadata:
          title           : 
        Stream #2:0
    (und)
    : Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s
     (default)
I/mobile-ffmpeg:     Metadata:
          handler_name    : 
    SoundHandler
        Stream #2:1
    (und)
    : Video: h264 (avc1 / 0x31637661), yuv420p, 640x480, 2320 kb/s
    , 
    25 fps, 
    25 tbr, 
    1200k tbn, 
    50 tbc
     (default)
        Metadata:
          handler_name    : 
    VideoHandler
        Stream #2:2
    (eng)
    : Data: bin_data (text / 0x74786574), 0 kb/s
I/mobile-ffmpeg:     Metadata:
          handler_name    : 
    SubtitleHandler
I/mobile-ffmpeg: Input #3, mov,mp4,m4a,3gp,3g2,mj2, from 'transition1.mp4':
      Metadata:
        major_brand     : 
    mp42
        minor_version   : 
    0
I/mobile-ffmpeg:     compatible_brands: 
    mp41isom
        creation_time   : 
    2020-08-17T09:24:04.000000Z
      Duration: 
    00:00:02.22
    , start: 
    0.000000
    , bitrate: 
    2445 kb/s
        Stream #3:0
    (und)
    : Video: h264 (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 2414 kb/s
    , 
    30 fps, 
    30 tbr, 
    30k tbn, 
    60 tbc
     (default)
I/mobile-ffmpeg:     Metadata:
          creation_time   : 
    2020-08-17T09:24:04.000000Z
          handler_name    : 
    VideoHandler
          encoder         : 
    AVC Coding
        Stream #3:1
    (und)
    : Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 79 kb/s
     (default)
        Metadata:
          creation_time   : 
I/mobile-ffmpeg: 2020-08-17T09:24:04.000000Z
          handler_name    : 
I/mobile-ffmpeg: SoundHandler
I/mobile-ffmpeg: Input #4, mov,mp4,m4a,3gp,3g2,mj2, from 'transition2.mp4':
      Metadata:
        major_brand     : 
    mp42
        minor_version   : 
    0
        compatible_brands: 
    mp41isom
        creation_time   : 
    2020-08-17T09:21:33.000000Z
      Duration: 
    00:00:02.22
    , start: 
    0.000000
    , bitrate: 
    2331 kb/s
I/mobile-ffmpeg:     Stream #4:0
    (und)
    : Video: h264 (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 2298 kb/s
    , 
    30 fps, 
    30 tbr, 
    30k tbn, 
    60 tbc
     (default)
        Metadata:
          creation_time   : 
    2020-08-17T09:21:33.000000Z
          handler_name    : 
    VideoHandler
          encoder         : 
    AVC Coding
        Stream #4:1
    (und)
I/mobile-ffmpeg: : Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 79 kb/s
     (default)
        Metadata:
          creation_time   : 
    2020-08-17T09:21:33.000000Z
          handler_name    : 
    SoundHandler
I/mobile-ffmpeg: Stream mapping:
      Stream #0:0 (h264) -> pad
      Stream #0:1 (aac) -> concat:in0:a0
      Stream #1:0 (aac) -> concat:in1:a0
      Stream #1:1 (h264) -> pad
      Stream #2:0 (aac) -> concat:in2:a0
      Stream #2:1 (h264) -> pad
      Stream #3:0 (h264) -> colorkey
      Stream #4:0 (h264) -> colorkey
I/mobile-ffmpeg:   overlay
     -> Stream #0:0 (libx264)
      concat
     -> Stream #0:1 (aac)
    Press [q] to stop, [?] for help
W/mobile-ffmpeg: [graph 0 input from stream 0:0 @ 0x73485c3fc0] sws_param option is deprecated and ignored
    [graph 0 input from stream 1:1 @ 0x73485c4140] sws_param option is deprecated and ignored
    [graph 0 input from stream 2:1 @ 0x73485c4200] sws_param option is deprecated and ignored
    [graph 0 input from stream 3:0 @ 0x73485c42c0] sws_param option is deprecated and ignored
W/mobile-ffmpeg: [graph 0 input from stream 4:0 @ 0x73485c4380] sws_param option is deprecated and ignored
W/mobile-ffmpeg: [swscaler @ 0x7324db9000] No accelerated colorspace conversion found from yuv420p to argb.
W/mobile-ffmpeg: [swscaler @ 0x7324876000] No accelerated colorspace conversion found from yuv420p to argb.
I/mobile-ffmpeg: [libx264 @ 0x7332f9a500] using SAR=1/1
W/mobile-ffmpeg: [libx264 @ 0x7332f9a500] MB rate (8160000000) > level limit (16711680)
I/mobile-ffmpeg: [libx264 @ 0x7332f9a500] using cpu capabilities: ARMv8 NEON
I/mobile-ffmpeg: [libx264 @ 0x7332f9a500] profile Constrained Baseline, level 6.2, 4:2:0, 8-bit
    [libx264 @ 0x7332f9a500] 264 - core 160 - H.264/MPEG-4 AVC codec - Copyleft 2003-2020 - http://www.videolan.org/x264.html - options: cabac=0 ref=1 deblock=0:0:0 analyse=0:0 me=dia subme=0 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=0 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=0 threads=12 lookahead_threads=2 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=0 weightp=0 keyint=250 keyint_min=25 scenecut=0 intra_refresh=0 rc=crf mbtree=0 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=0
I/mobile-ffmpeg: Output #0, mp4, to 'output.mp4':
      Metadata:
I/mobile-ffmpeg:     major_brand     : 
    mp42
        minor_version   : 
    0
        compatible_brands: 
    isommp42
        com.android.version: 
    9
        encoder         : 
    Lavf58.48.100
        Chapter #0:0: 
    start 0.000000, 
    end 13.033000
        Metadata:
          title           : 
        Stream #0:0
I/mobile-ffmpeg: : Video: h264 (libx264) (avc1 / 0x31637661), yuv420p(progressive), 1080x1920 [SAR 1:1 DAR 9:16], q=-1--1
    , 
    1000k tbn, 
    1000k tbc
     (default)
        Metadata:
          encoder         : 
    Lavc58.96.100 libx264
        Side data:
          
    cpb: 
    bitrate max/min/avg: 0/0/0 buffer size: 0 
    vbv_delay: N/A
        Stream #0:1
    : Audio: aac (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s
     (default)
        Metadata:
I/mobile-ffmpeg:       encoder         : 
    Lavc58.96.100 aac
E/Progress: Progress: 3.6918316
D/mobile-ffmpeg: Progress: frame: 1, time: 1002, Pct: 0.036918
I/mobile-ffmpeg: frame=    1 fps=0.0 q=0.0 size=       0kB time=00:00:01.00 bitrate=   0.5kbits/s speed=1.13x      


  


• disable post processing in YOUTUBE-DL

  9 février 2020, par user3515562

  I want to disbale post process in youtube-dl(2020.01.24).
  My batch file contains

  set /p ytlink=Enter the link of Youtube Video:-    
  
  youtube-dl -x -o D:\%%(title)s.%%(ext)s %ytlink%  
  
  pause  

  The youtube-dl first downloads webm file or any other file than use post process ffmpeg.exe to convert it.
  I want to disable post process.Their must be no post process happening after youtube-dl download.
  
   x is the option to only download audio file of the YouTube video in webm format .There is no post processing involved.But youtube-dl by default tries to convert the webm file to some other format, which is post processing.Post processing of audio file by default is one that i want to disable
  OS=Windows 10