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Sur d’autres sites (13722)

  • Concatenating two videos with different width and height

    7 mai 2018, par Tahtakafa

    If i try to concatenate two videos it throws an error due to different screen sizes of the videos. I have put a setdat=16/9 parameter like described here for each two video. Then i got the error below. How can i concatenate two videos with different screen sizes ?

    code :

    ffmpeg -i /var/www/html/GetVideo/reklam/muzikli1.mp4 -i /var/www/html/GetVideo/tempvideo/sample.mp4 -filter_complex \ "[0]setdar=16/9[a];[1]setdar=16/9[b]; \ [a][b]concat=n=2:v=1:a=1" /var/www/html/GetVideo/reklam/out.mp4

    error :

    pi@raspberrypi:/var/www/html/GetVideo $ ffmpeg -i /var/www/html/GetVideo/reklam/muzikli1.mp4 -i /var/www/html/GetVideo/tempvideo/sample.mp4 -filter_complex \ "[0]setdar=16/9[a];[1]setdar=16/9[b]; \ [a][b]concat=n=2:v=1:a=1" /var/www/html/GetVideo/reklam/out.mp4
    ffmpeg version git-2018-05-06-652b857 Copyright (c) 2000-2018 the FFmpeg developers
     built with gcc 6.3.0 (Raspbian 6.3.0-18+rpi1+deb9u1) 20170516
     configuration: --arch=armel --target-os=linux --enable-gpl --enable-libx264 --enable-nonfree
     libavutil      56. 18.100 / 56. 18.100
     libavcodec     58. 19.101 / 58. 19.101
     libavformat    58. 13.101 / 58. 13.101
     libavdevice    58.  4.100 / 58.  4.100
     libavfilter     7. 21.100 /  7. 21.100
     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 '/var/www/html/GetVideo/reklam/muzikli1.mp4':
     Metadata:
       major_brand     : mp42
       minor_version   : 0
       compatible_brands: mp41isom
     Duration: 00:00:13.35, start: 0.000000, bitrate: 244 kb/s
       Stream #0:0(und): Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p, 918x512 [SAR 1:1 DAR 459:256], 110 kb/s, 5 fps, 5 tbr, 5k tbn, 10k tbc (default)
       Metadata:
         handler_name    : VideoHandler
         encoder         : AVC Coding
       Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 129 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    Input #1, mov,mp4,m4a,3gp,3g2,mj2, from '/var/www/html/GetVideo/tempvideo/sample.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf57.65.100
     Duration: 00:00:25.57, start: 0.000000, bitrate: 1015 kb/s
       Stream #1:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720, 896 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #1:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 113 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    [AVFilterGraph @ 0x2fa9a20] No such filter: ' '
    Error initializing complex filters.
    Invalid argument
  • ffmpeg can't work via nginx + nginx-rtmp-module

    2 mai 2018, par Ubunkun

    nginx version : nginx/1.12.2
    ffmpeg version 3.4.2

    I’m trying to below.
    -> nginx -> ffmpeg multi encode -> HLS publish

    nginx configration is below (nginx.conf)

    worker_processes  1;

    events {
       worker_connections  1024;
    }

    http {
       include       mime.types;
       default_type  application/octet-stream;

       sendfile        on;

       keepalive_timeout  65;

       server {
           listen       80;
           server_name  localhost;

           location / {
               root   html;
               index  index.html index.htm index.php;
           }

       location ~ \.php$ {
               root           html;
               fastcgi_pass   unix:/var/run/php-fpm/php-fpm.sock;
               fastcgi_index  index.php;
               fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
               include        fastcgi_params;
           }

           error_page   500 502 503 504  /50x.html;
           location = /50x.html {
               root   html;
           }
       }
    }

    rtmp {
       server {
           listen 1935;
           application hls {
               live on;
               exec /usr/local/sbin/ffscript.sh $name;
           }

           application hls2 {
               live on;
               hls on;
               hls_path /usr/local/nginx/html;
               hls_nested on;
               hls_fragment 9s;
               hls_variant _low  BANDWIDTH=300000;
               hls_variant _mid  BANDWIDTH=700000;
               hls_variant _high BANDWIDTH=1200000;
           }
       }
    }

    (/usr/local/sbin/ffscript.sh)

    export LIBVA_DRIVERS_PATH=/opt/intel/mediasdk/lib64
    export LIBVA_DRIVER_NAME=iHD
    export MFX_HOME=/opt/intel/mediasdk
    export PKG_CONFIG_PATH=/opt/intel/opencl:

    /usr/local/bin/ffmpeg -i rtmp://localhost/hls/${1} -vcodec h264_qsv -init_hw
    _device qsv:hw -b:v 128K -c:a aac -ar 44100 -ac 2 -r 30 -f flv rtmp://localhost/
    hls2/${1}_low -b:v 512k -c:a aac -ar 44100 -ac 2 -r 30 -f flv rtmp://localhost/h
    ls2/${1}_mid -b:v 1024k -c:a aac -ar 44100 -ac 2 -r 30 -f flv rtmp://localhost/h
    ls2/${1}_high

    But it can’t work. The access.log appears just one line.

    192.168.1.121 [02/May/2018:21:52:39 +0900] PUBLISH "hls" "test2" "" - 580840 753 "" "FMLE/3.0 (compatible; Lavf57.55" (21s)

    There is no "hls2" PUBLISH on access log.

    When I tried to run the ffmpeg command line while nginx is running, it was succeed.

    Why ffmpeg called by nginx doesn’t work ? If you have any solution, let me know.

    Bests,

  • How can I use ffmpeg with h264_qsv ?

    29 avril 2018, par Ubunkun

    I’ve installed the "Intel MediaServer Studio Essentials 2018R1". And I complied ffmpeg with h264_qsv.

    When I tried to use ffmpeg with h264_qsv, the errors occurred.

    $ ffmpeg -y -i ffefc5a076d93be46df1ff8674592d39.mp4 -vframes 2000 -b:v 2000K -vcodec h264_qsv -preset slow out00.mp4
    ffmpeg version git-2018-04-24-f09fdf2 Copyright (c) 2000-2018 the FFmpeg developers
     built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-16)
     configuration: --pkg-config-flags=--static --enable-gpl --enable-nonfree --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libmfx
     libavutil      56. 15.100 / 56. 15.100
     libavcodec     58. 19.100 / 58. 19.100
     libavformat    58. 13.100 / 58. 13.100
     libavdevice    58.  4.100 / 58.  4.100
     libavfilter     7. 19.100 /  7. 19.100
     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 'ffefc5a076d93be46df1ff8674592d39.mp4':
     Metadata:
       major_brand     : isom
       minor_version   : 512
       compatible_brands: isomiso2avc1mp41
       encoder         : Lavf57.55.100
     Duration: 02:13:42.92, start: 0.000000, bitrate: 1590 kb/s
       Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 720x480 [SAR 8:9 DAR 4:3], 1453 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default)
       Metadata:
         handler_name    : VideoHandler
       Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 128 kb/s (default)
       Metadata:
         handler_name    : SoundHandler
    Stream mapping:
     Stream #0:0 -> #0:0 (h264 (native) -> h264 (h264_qsv))
     Stream #0:1 -> #0:1 (aac (native) -> aac (native))
    Press [q] to stop, [?] for help
    [h264_qsv @ 0x3729200] Error initializing an internal MFX session: unsupported (-3)
    Error initializing output stream 0:0 -- Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height
    [aac @ 0x36e3740] Qavg: 65536.000
    [aac @ 0x36e3740] 2 frames left in the queue on closing
    Conversion failed!

    I don’t know where is wrong. If input file is wrong, I can change input file. I have not succeeded in running ffmpeg with h264_qsv.
    I would appreciate it if somebody can help me on how to run ffmpeg with h264_qsv.