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• ffmpeg, v4l, snd_aloop ... sound asyncron (alsa buffer xrun)

  28 janvier 2019, par Tobias

  I’m trying to create a stream that automatically reloads random inputs. I would like to extend this to a database later.

  Each time ffmpeg finishes and starts again, so the input changes, the connection to the rtmp is interrupted briefly causing the whole connection breaks down. I then tried to separate audio and video, to send them to virtual devices and read from there again. Split the stream on virtual devices, reassemble them directly and send them to rtmp. If the input is then exchanged, the sending to the devices interrupts what does not bother the second ffmpeg. As soon as I stop sending to the devices the fps go very slowly (10 - 20 sec) from 25 to 0. Only then does the transmitter ffmpeg break the connection to the rtmp. The script which exchanges the inputs needs only one second. A practical test showed that everything works as desired.

  I can quite comfortably change the input while the second ffmpeg maintains the stream ...

  The joy did not last long. The sound is good 1 sec delayed. But sporadically. Sometimes everything works great. Sometimes the sound is offset.

  I wrote several scripts for this.

  Background :

  1. File is selected by random
  2. Media file is split and written to / dev / video0 (v4l loopback) and alsa default (snd_aloop loopback)
  3. Put the splits together again and stream them to a rtmp server

  Code that selects the input and sends to / dev / video0 and alsa default

  #!/bin/bash
  
  
  
  cat /dev/null > log
  
  
  
  while true;
  
  do
  
  
  
    WATERMARK="watermark.png";
  
    dir='/homeXXXXXXXXXX/mix'
  
    file=`/bin/ls -1 "$dir" | sort --random-sort | head -1`
  
    DATEI=`readlink --canonicalize "$dir/$file"` # Converts to full path
  
  
  
  if [ -z $DATEI ]
  
  then
  
    echo "Keine Datei gefunden" >> log;
  
  else
  
    START=$(date +%s);
  
    echo "Sende $DATEI" >> log;
  
    ffmpeg -re -y -i "$DATEI" -c:v libx264 -vf "fps=25,scale=640:480,setdar=4:3" -async 1 -pix_fmt yuv420p -preset ultrafast -map 0:0 -f v4l2 -vcodec rawvideo /dev/video0 -f alsa default
  
  fi
  
  
  
  DOKILL=`cat kill`;
  
  if [ "$DOKILL" = "1"]
  
  then
  
    break;
  
  fi
  
  
  
  done

  The Output

  ./run.sh 
  
  ffmpeg version 3.2.12-1~deb9u1 Copyright (c) 2000-2018 the FFmpeg developers
  
    built with gcc 6.3.0 (Debian 6.3.0-18+deb9u1) 20170516
  
    configuration: --prefix=/usr --extra-version='1~deb9u1' --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libebur128 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
  
    libavutil      55. 34.101 / 55. 34.101
  
    libavcodec     57. 64.101 / 57. 64.101
  
    libavformat    57. 56.101 / 57. 56.101
  
    libavdevice    57.  1.100 / 57.  1.100
  
    libavfilter     6. 65.100 /  6. 65.100
  
    libavresample   3.  1.  0 /  3.  1.  0
  
    libswscale      4.  2.100 /  4.  2.100
  
    libswresample   2.  3.100 /  2.  3.100
  
    libpostproc    54.  1.100 / 54.  1.100
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/home/mix/XXXXXXXXXXXXX.mp4':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      title           : XXXXXXXXXXXXXXX 
  
  
  
      encoder         : Lavf57.41.100
  
    Duration: 00:03:53.48, start: 0.000000, bitrate: 2705 kb/s
  
      Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709), 1920x1080 [SAR 1:1 DAR 16:9], 2573 kb/s, 23.98 fps, 23.98 tbr, 24k tbn, 47.95 tbc (default)
  
      Metadata:
  
        handler_name    : VideoHandler
  
      Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 127 kb/s (default)
  
      Metadata:
  
        handler_name    : SoundHandler
  
  Codec AVOption preset (Configuration preset) specified for output file #0 (/dev/video0) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some encoder which was not actually used for any stream.
  
  [Parsed_setdar_2 @ 0x5571234fe020] num:den syntax is deprecated, please use num/den or named options instead
  
  -async is forwarded to lavfi similarly to -af aresample=async=1:min_hard_comp=0.100000:first_pts=0.
  
  Output #0, v4l2, to '/dev/video0':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      title           : XXXXXXXXXXX 
  
  
  
      encoder         : Lavf57.56.101
  
      Stream #0:0(und): Video: rawvideo (I420 / 0x30323449), yuv420p, 640x480 [SAR 1:1 DAR 4:3], q=2-31, 200 kb/s, 25 fps, 25 tbn, 25 tbc (default)
  
      Metadata:
  
        handler_name    : VideoHandler
  
        encoder         : Lavc57.64.101 rawvideo
  
  Output #1, alsa, to 'default':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      title           : XXXXXXXXXX 
  
  
  
      encoder         : Lavf57.56.101
  
      Stream #1:0(und): Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s (default)
  
      Metadata:
  
        handler_name    : SoundHandler
  
        encoder         : Lavc57.64.101 pcm_s16le
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (h264 (native) -> rawvideo (native))
  
    Stream #0:1 -> #1:0 (aac (native) -> pcm_s16le (native))
  
  Press [q] to stop, [?] for help
  
  frame=  736 fps= 24 q=-0.0 Lsize=N/A time=00:00:29.67 bitrate=N/A speed=0.979x    
  
  video:331200kB audio:5112kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown
  
  Exiting normally, received signal 2.

  The send script

  #!/bin/bash
  
  
  
  IP="XXXXXXXXX";
  
  
  
  ffmpeg -f video4linux2 -i /dev/video0 -f alsa -acodec pcm_s16le -i default -f flv -async 1 -pix_fmt yuv420p -preset ultrafast -vcodec libx264 -r 25 -s 640x260 -acodec aac rtmp://$IP:1935/live/test

  The Output

  ./send_stream.sh 
  
  ffmpeg version 3.2.12-1~deb9u1 Copyright (c) 2000-2018 the FFmpeg developers
  
    built with gcc 6.3.0 (Debian 6.3.0-18+deb9u1) 20170516
  
    configuration: --prefix=/usr --extra-version='1~deb9u1' --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libebur128 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmp3lame --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
  
    libavutil      55. 34.101 / 55. 34.101
  
    libavcodec     57. 64.101 / 57. 64.101
  
    libavformat    57. 56.101 / 57. 56.101
  
    libavdevice    57.  1.100 / 57.  1.100
  
    libavfilter     6. 65.100 /  6. 65.100
  
    libavresample   3.  1.  0 /  3.  1.  0
  
    libswscale      4.  2.100 /  4.  2.100
  
    libswresample   2.  3.100 /  2.  3.100
  
    libpostproc    54.  1.100 / 54.  1.100
  
  Input #0, video4linux2,v4l2, from '/dev/video0':
  
    Duration: N/A, start: 1548393682.674066, bitrate: 110592 kb/s
  
      Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 640x480, 110592 kb/s, 30 fps, 30 tbr, 1000k tbn, 1000k tbc
  
  Guessed Channel Layout for Input Stream #1.0 : stereo
  
  Input #1, alsa, from 'default':
  
    Duration: N/A, start: 1548393682.677901, bitrate: 1536 kb/s
  
      Stream #1:0: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
  
  -async is forwarded to lavfi similarly to -af aresample=async=1:min_hard_comp=0.100000:first_pts=0.
  
  [libx264 @ 0x55e22cfa4f00] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
  
  [libx264 @ 0x55e22cfa4f00] profile Constrained Baseline, level 2.1
  
  [libx264 @ 0x55e22cfa4f00] 264 - core 148 r2748 97eaef2 - H.264/MPEG-4 AVC codec - Copyleft 2003-2016 - 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=6 lookahead_threads=1 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
  
  Output #0, flv, to 'rtmp://XXXXXXXXXXX:1935/live/test':
  
    Metadata:
  
      encoder         : Lavf57.56.101
  
      Stream #0:0: Video: h264 (libx264) ([7][0][0][0] / 0x0007), yuv420p, 640x260, q=-1--1, 25 fps, 1k tbn, 25 tbc
  
      Metadata:
  
        encoder         : Lavc57.64.101 libx264
  
      Side data:
  
        cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
  
      Stream #0:1: Audio: aac (LC) ([10][0][0][0] / 0x000A), 48000 Hz, stereo, fltp, 128 kb/s
  
      Metadata:
  
        encoder         : Lavc57.64.101 aac
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (rawvideo (native) -> h264 (libx264))
  
    Stream #1:0 -> #0:1 (pcm_s16le (native) -> aac (native))
  
  Press [q] to stop, [?] for help
  
  [alsa @ 0x55e22cf87300] Thread message queue blocking; consider raising the thread_queue_size option (current value: 8)
  
  [video4linux2,v4l2 @ 0x55e22cf84fe0] Thread message queue blocking; consider raising the thread_queue_size option (current value: 8)
  
  Past duration 0.613319 too large    7344kB time=00:01:05.85 bitrate= 913.5kbits/s speed=1.04x    
  
  Past duration 0.614372 too large    7644kB time=00:01:08.39 bitrate= 915.6kbits/s speed=1.04x    
  
  Past duration 0.609749 too large    7834kB time=00:01:10.91 bitrate= 905.0kbits/s speed=1.04x    
  
  Past duration 0.604362 too large    8038kB time=00:01:12.92 bitrate= 903.0kbits/s speed=1.04x    
  
  Past duration 0.609489 too large    8070kB time=00:01:13.45 bitrate= 900.1kbits/s speed=1.04x    
  
  Past duration 0.615013 too large    8094kB time=00:01:13.94 bitrate= 896.8kbits/s speed=1.04x    
  
  Past duration 0.610893 too large    8179kB time=00:01:14.94 bitrate= 894.0kbits/s speed=1.04x    
  
  Past duration 0.664711 too large
  
  Past duration 0.639565 too large    8263kB time=00:01:15.47 bitrate= 896.8kbits/s speed=1.04x    
  
  Past duration 0.668999 too large    8339kB time=00:01:15.94 bitrate= 899.5kbits/s speed=1.04x    
  
  Past duration 0.605766 too large
  
  Past duration 0.633049 too large    8399kB time=00:01:16.48 bitrate= 899.6kbits/s speed=1.04x    
  
  Past duration 0.674599 too large
  
  Past duration 0.616035 too large    8451kB time=00:01:16.95 bitrate= 899.7kbits/s speed=1.04x    
  
  Past duration 0.656136 too large
  
  Past duration 0.604195 too large
  
  Past duration 0.601387 too large    8512kB time=00:01:17.46 bitrate= 900.2kbits/s speed=1.04x    
  
  Past duration 0.621895 too large    8565kB time=00:01:17.95 bitrate= 900.1kbits/s speed=1.04x    
  
  Past duration 0.670937 too large    8605kB time=00:01:18.46 bitrate= 898.4kbits/s speed=1.04x    
  
  Past duration 0.604500 too large    8642kB time=00:01:18.99 bitrate= 896.2kbits/s speed=1.04x    
  
  frame= 1913 fps= 25 q=-1.0 Lsize=    8670kB time=00:01:19.48 bitrate= 893.6kbits/s speed=1.04x    
  
  video:7290kB audio:1280kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 1.160292%
  
  [libx264 @ 0x55e22cfa4f00] frame I:8     Avg QP:18.25  size: 15502
  
  [libx264 @ 0x55e22cfa4f00] frame P:1905  Avg QP:20.95  size:  3853
  
  [libx264 @ 0x55e22cfa4f00] mb I  I16..4: 100.0%  0.0%  0.0%
  
  [libx264 @ 0x55e22cfa4f00] mb P  I16..4:  6.4%  0.0%  0.0%  P16..4: 38.1%  0.0%  0.0%  0.0%  0.0%    skip:55.5%
  
  [libx264 @ 0x55e22cfa4f00] coded y,uvDC,uvAC intra: 46.0% 30.3% 13.4% inter: 20.1% 9.8% 1.1%
  
  [libx264 @ 0x55e22cfa4f00] i16 v,h,dc,p: 47% 34% 10%  9%
  
  [libx264 @ 0x55e22cfa4f00] i8c dc,h,v,p: 45% 28% 22%  5%
  
  [libx264 @ 0x55e22cfa4f00] kb/s:750.98
  
  [aac @ 0x55e22cfa62a0] Qavg: 579.067
  
  Exiting normally, received signal 2.

  First everything is fine and then comes

  Past duration 0.616035 too large    8451kB time=00:01:16.95 bitrate= 899.7kbits/s speed=1.04x    
  
  Past duration 0.656136 too large
  
  Past duration 0.604195 too large
  
  Past duration 0.601387 too large    8512kB time=00:01:17.46 bitrate= 900.2kbits/s speed=1.04x 

  And then when that comes, dives in the first window, so in the ffmpeg sends the input :

  Stream mapping:
  
    Stream #0:0 -> #0:0 (h264 (native) -> rawvideo (native))
  
    Stream #0:1 -> #1:0 (aac (native) -> pcm_s16le (native))
  
  Press [q] to stop, [?] for help
  
  frame=    9 fps=0.0 q=-0.0 size=N/A time=00:00:00.36 bitrate=N/A dup=1 drop=0 spframe=   21 fps= 21 q=-0.0 size=N/A time=00:00:00.84 bitrate=N/A dup=1 drop=0 sp[alsa @ 0x5643b3293160] ALSA buffer xrun.
  
      Last message repeated 1 times
  
  frame=   33 fps= 22 q=-0.0 size=N/A time=00:00:01.32 bitrate=N/A dup=1 drop=0 sp[alsa @ 0x5643b3293160] ALSA buffer xrun.
  
      Last message repeated 1 times
  
  frame=   46 fps= 23 q=-0.0 size=N/A time=00:00:01.84 bitrate=N/A dup=1 drop=0 spframe=   58 fps= 23 q=-0.0 size=N/A time=00:00:02.32 bitrate=N/A dup=1 drop=0 spframe=   71 fps= 24 q=-0.0 size=N/A time=00:00:02.84 bitrate=N/A dup=1 drop=0 spframe=   83 fps= 24 q=-0.0 size=N/A time=00:00:03.32 bitrate=N/A dup=1 drop=0 sp[alsa @ 0x5643b3293160] ALSA buffer xrun.
  
  frame=   96 fps= 24 q=-0.0 size=N/A time=00:00:03.84 bitrate=N/A dup=1 drop=0 sp[alsa @ 0x5643b3293160] ALSA buffer xrun.

  The sound is then absolutely unsynchronized ...

  Does anyone have any advice and can help me ?

• Concatenating slideshows and normal videos causes audio bleeding

  28 janvier 2019, par Zurechtweiser

  I noticed audio bleeding with concatenated videos containing alternating slideshows and normal videos.

  My commands

  ffmpeg -y -ss 00:00:04.391 -to 00:02:17.171 -i "test.MP4" -r 60 -c:v libx264 -af afade=t=in:ss=0:d=1,afade=t=out:st='00\:02\:11.780':d=1 25.mp4
  
  ffmpeg -y -i 25.mp4 -c copy -bsf:v h264_mp4toannexb -f mpegts 25f.ts
  
  
  
  ffmpeg -y -loop 1 -i "test.JPG" -t 2 -f lavfi -i anullsrc=channel_layout=stereo:sample_rate=44100 -shortest -r 60 -c:v libx264 -c:a aac -pix_fmt yuv420p -vf scale=-2:1080,pad=width=1920:height=1080:x=240:y=0:color=black 26.mp4
  
  ffmpeg -y -i 26.mp4 -c copy -bsf:v h264_mp4toannexb -f mpegts 26f.ts
  
  
  
  ffmpeg -y -i "concat:25f.ts|26f.ts" -bsf:a aac_adtstoasc -movflags faststart -c copy "final.mp4"

  The rest of audio of test.MP4 bleeds into the beginning of the test.JPG-single frame slideshow.

  I presumed a different framerate to cause it, but adding -r 60 didn’t solve the issue.

  Also it seems that the video player interpretes the final video as a set of single videos, as whenever a "new" video shows up, it stutters slightly and loses framerate.

  How do I concat them without bleeding and create a final video without stuttering ?

  ffprobe -show_streams 25.mp4 :

  ffprobe version N-92246-gc2ac3b8e6a Copyright (c) 2007-2018 the FFmpeg developers
  
    built with gcc 8.2.1 (GCC) 20181017
  
    configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth
  
    libavutil      56. 19.101 / 56. 19.101
  
    libavcodec     58. 33.102 / 58. 33.102
  
    libavformat    58. 19.102 / 58. 19.102
  
    libavdevice    58.  4.106 / 58.  4.106
  
    libavfilter     7. 37.100 /  7. 37.100
  
    libswscale      5.  2.100 /  5.  2.100
  
    libswresample   3.  2.100 /  3.  2.100
  
    libpostproc    55.  2.100 / 55.  2.100
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '25.mp4':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      encoder         : Lavf58.19.102
  
    Duration: 00:00:12.65, start: 0.000000, bitrate: 2040 kb/s
  
      Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1215:1216 DAR 135:76], 1903 kb/s, 60 fps, 60 tbr, 15360 tbn, 120 tbc (default)
  
      Metadata:
  
        handler_name    : VideoHandle
  
      Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
  
      Metadata:
  
        handler_name    : SoundHandle
  
  [STREAM]
  
  index=0
  
  codec_name=h264
  
  codec_long_name=H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10
  
  profile=High
  
  codec_type=video
  
  codec_time_base=1/120
  
  codec_tag_string=avc1
  
  codec_tag=0x31637661
  
  width=1920
  
  height=1080
  
  coded_width=1920
  
  coded_height=1088
  
  has_b_frames=2
  
  sample_aspect_ratio=1215:1216
  
  display_aspect_ratio=135:76
  
  pix_fmt=yuv420p
  
  level=42
  
  color_range=unknown
  
  color_space=unknown
  
  color_transfer=unknown
  
  color_primaries=unknown
  
  chroma_location=left
  
  field_order=unknown
  
  timecode=N/A
  
  refs=1
  
  is_avc=true
  
  nal_length_size=4
  
  id=N/A
  
  r_frame_rate=60/1
  
  avg_frame_rate=60/1
  
  time_base=1/15360
  
  start_pts=0
  
  start_time=0.000000
  
  duration_ts=193792
  
  duration=12.616667
  
  bit_rate=1903528
  
  max_bit_rate=N/A
  
  bits_per_raw_sample=8
  
  nb_frames=757
  
  nb_read_frames=N/A
  
  nb_read_packets=N/A
  
  DISPOSITION:default=1
  
  DISPOSITION:dub=0
  
  DISPOSITION:original=0
  
  DISPOSITION:comment=0
  
  DISPOSITION:lyrics=0
  
  DISPOSITION:karaoke=0
  
  DISPOSITION:forced=0
  
  DISPOSITION:hearing_impaired=0
  
  DISPOSITION:visual_impaired=0
  
  DISPOSITION:clean_effects=0
  
  DISPOSITION:attached_pic=0
  
  DISPOSITION:timed_thumbnails=0
  
  TAG:language=eng
  
  TAG:handler_name=VideoHandle
  
  [/STREAM]
  
  [STREAM]
  
  index=1
  
  codec_name=aac
  
  codec_long_name=AAC (Advanced Audio Coding)
  
  profile=LC
  
  codec_type=audio
  
  codec_time_base=1/48000
  
  codec_tag_string=mp4a
  
  codec_tag=0x6134706d
  
  sample_fmt=fltp
  
  sample_rate=48000
  
  channels=2
  
  channel_layout=stereo
  
  bits_per_sample=0
  
  id=N/A
  
  r_frame_rate=0/0
  
  avg_frame_rate=0/0
  
  time_base=1/48000
  
  start_pts=0
  
  start_time=0.000000
  
  duration_ts=606192
  
  duration=12.629000
  
  bit_rate=128049
  
  max_bit_rate=128049
  
  bits_per_raw_sample=N/A
  
  nb_frames=593
  
  nb_read_frames=N/A
  
  nb_read_packets=N/A
  
  DISPOSITION:default=1
  
  DISPOSITION:dub=0
  
  DISPOSITION:original=0
  
  DISPOSITION:comment=0
  
  DISPOSITION:lyrics=0
  
  DISPOSITION:karaoke=0
  
  DISPOSITION:forced=0
  
  DISPOSITION:hearing_impaired=0
  
  DISPOSITION:visual_impaired=0
  
  DISPOSITION:clean_effects=0
  
  DISPOSITION:attached_pic=0
  
  DISPOSITION:timed_thumbnails=0
  
  TAG:language=eng
  
  TAG:handler_name=SoundHandle
  
  [/STREAM]

  ffprobe -show_streams 26.mp4 :

  ffprobe version N-92246-gc2ac3b8e6a Copyright (c) 2007-2018 the FFmpeg developers
  
    built with gcc 8.2.1 (GCC) 20181017
  
    configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth
  
    libavutil      56. 19.101 / 56. 19.101
  
    libavcodec     58. 33.102 / 58. 33.102
  
    libavformat    58. 19.102 / 58. 19.102
  
    libavdevice    58.  4.106 / 58.  4.106
  
    libavfilter     7. 37.100 /  7. 37.100
  
    libswscale      5.  2.100 /  5.  2.100
  
    libswresample   3.  2.100 /  3.  2.100
  
    libpostproc    55.  2.100 / 55.  2.100
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '26.mp4':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      encoder         : Lavf58.19.102
  
    Duration: 00:00:03.95, start: 0.000000, bitrate: 1814 kb/s
  
      Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 2272x4608 [SAR 1:1 DAR 71:144], 1798 kb/s, 60 fps, 60 tbr, 15360 tbn, 120 tbc (default)
  
      Metadata:
  
        handler_name    : VideoHandler
  
      Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 2 kb/s (default)
  
      Metadata:
  
        handler_name    : SoundHandler
  
  [STREAM]
  
  index=0
  
  codec_name=h264
  
  codec_long_name=H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10
  
  profile=High
  
  codec_type=video
  
  codec_time_base=1/120
  
  codec_tag_string=avc1
  
  codec_tag=0x31637661
  
  width=2272
  
  height=4608
  
  coded_width=2272
  
  coded_height=4608
  
  has_b_frames=2
  
  sample_aspect_ratio=1:1
  
  display_aspect_ratio=71:144
  
  pix_fmt=yuv420p
  
  level=60
  
  color_range=unknown
  
  color_space=unknown
  
  color_transfer=unknown
  
  color_primaries=unknown
  
  chroma_location=left
  
  field_order=unknown
  
  timecode=N/A
  
  refs=1
  
  is_avc=true
  
  nal_length_size=4
  
  id=N/A
  
  r_frame_rate=60/1
  
  avg_frame_rate=60/1
  
  time_base=1/15360
  
  start_pts=0
  
  start_time=0.000000
  
  duration_ts=60672
  
  duration=3.950000
  
  bit_rate=1798815
  
  max_bit_rate=N/A
  
  bits_per_raw_sample=8
  
  nb_frames=237
  
  nb_read_frames=N/A
  
  nb_read_packets=N/A
  
  DISPOSITION:default=1
  
  DISPOSITION:dub=0
  
  DISPOSITION:original=0
  
  DISPOSITION:comment=0
  
  DISPOSITION:lyrics=0
  
  DISPOSITION:karaoke=0
  
  DISPOSITION:forced=0
  
  DISPOSITION:hearing_impaired=0
  
  DISPOSITION:visual_impaired=0
  
  DISPOSITION:clean_effects=0
  
  DISPOSITION:attached_pic=0
  
  DISPOSITION:timed_thumbnails=0
  
  TAG:language=und
  
  TAG:handler_name=VideoHandler
  
  [/STREAM]
  
  [STREAM]
  
  index=1
  
  codec_name=aac
  
  codec_long_name=AAC (Advanced Audio Coding)
  
  profile=LC
  
  codec_type=audio
  
  codec_time_base=1/44100
  
  codec_tag_string=mp4a
  
  codec_tag=0x6134706d
  
  sample_fmt=fltp
  
  sample_rate=44100
  
  channels=2
  
  channel_layout=stereo
  
  bits_per_sample=0
  
  id=N/A
  
  r_frame_rate=0/0
  
  avg_frame_rate=0/0
  
  time_base=1/44100
  
  start_pts=0
  
  start_time=0.000000
  
  duration_ts=132300
  
  duration=3.000000
  
  bit_rate=2124
  
  max_bit_rate=128000
  
  bits_per_raw_sample=N/A
  
  nb_frames=131
  
  nb_read_frames=N/A
  
  nb_read_packets=N/A
  
  DISPOSITION:default=1
  
  DISPOSITION:dub=0
  
  DISPOSITION:original=0
  
  DISPOSITION:comment=0
  
  DISPOSITION:lyrics=0
  
  DISPOSITION:karaoke=0
  
  DISPOSITION:forced=0
  
  DISPOSITION:hearing_impaired=0
  
  DISPOSITION:visual_impaired=0
  
  DISPOSITION:clean_effects=0
  
  DISPOSITION:attached_pic=0
  
  DISPOSITION:timed_thumbnails=0
  
  TAG:language=und
  
  TAG:handler_name=SoundHandler
  
  [/STREAM]

• How to install a Matomo premium feature

  31 janvier 2018, par InnoCraft

  You may have noticed over the last few months that many fantastic new features have been launched on the Matomo Marketplace. As some of them are paid premium features, you may wonder if the process to install them is straightforward, if you can test them before, and whether there is any support behind it. No worries – we’ve got you covered ! This blog post will answer some questions you may have about getting your first premium plugin.

  So why are there some premium features ?

  Researching, building, documenting, testing and maintaining quality products take years of experience and months of hard work by the team behind the scenes. When you purchase a premium plugin, you get a fully working product and you directly help the Matomo core engineers to grow and fund the new Free Matomo versions and cool features.

  However, it is important for us to mention that Matomo will always be free, it is a Free software under GPLv3 license and it will always be the same.
  Want to know more about this ? Check out our FAQ about why there are premium features.

  Can I test a premium feature before a purchase ?

  Absolutely. There are two ways in order to do that :

  1. InnoCraft Matomo Cloud
  2. Matomo Marketplace

  1. InnoCraft Matomo Cloud

  The easiest way is to create a free trial account (one minute of your time) on our Matomo cloud service. You will then have the possibility to test all the premium features during a 30-day trial period. No credit card is required.

  

  Every premium feature can be trialled for free on the Matomo Cloud

  2. Matomo Marketplace

  The second way is to get the premium feature from the Matomo Marketplace. We have an easy and hassle-free 30-day money back guarantee period on each feature. This means that if you are not happy with a premium feature and you are within the 30-day period, then you will get a full refund for it. Guaranteed !

  How to purchase and install a premium feature ?

  Step 1 : Purchasing the feature

  In order to get a premium feature, just add it to the cart :

  

  Once done, go to your cart and complete the checkout process to confirm the order.

  When the order is confirmed, you immediately get your license key on the order confirmation page. You also receive the license key by email.

  Step 2 : Activating the feature in your Matomo

  Now that you have received the license key, it is time to activate the plugin in your Matomo :

  • Log in to your Matomo and go to “Administration => Marketplace
  • Copy / paste the license key into the license field at the top of the page and click “Activate”

  

  • The key will now be activated and you will see a couple of new buttons.

  

  • To install the premium feature(s) you just purchased in one click, simply click on “Install purchased plugins”. Alternatively, you can scroll down in the Marketplace to the premium feature you purchased and click on “Install”. You can also download the ZIP file on https://shop.matomo.org/my-account/downloads

  And that’s it. The installation of a premium feature is as easy as copy/pasting the license key and clicking a button. Because one license key is linked to all purchased premium features, you only need to enter the license key once. The next time you purchase a premium feature, you simply click on “Install” to have it up and running.

  Updating a premium feature

  Updates for premium features work just like regular plugin updates. When there is a new update available, you will see a notification in the Matomo UI and also receive an email (if enabled under “General Settings”). To upgrade the feature simply click on “Update” and you’re done.

  Which support is provided for each of those premium features ?

  Premium features represent most of our day to day activity, so you can be 100% sure that we will do our maximum in order to answer any of your questions regarding them. To be 100% transparent, we often receive answers from our customers telling us how impressed they are by the quality of the service we are offering.

  Have any questions ?

  We are happy to answer any questions you may have so feel free to get in touch with us.

  Thanks !

  The post How to install a Matomo premium feature appeared first on Analytics Platform - Matomo.