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• No module named 'skvideo.io.ffmpeg' in the project

  12 juillet 2024, par kyobo

  Even though I have installed the scikit-video and installed ffmpeg, I still meet this problem :
  
No module named 'skvideo.io.ffmpeg

  


  Output :

  


  (sd) huishi@huishi:~/workspace/projectsideo_python$ **pip install scikit-video**&#xA;Requirement already satisfied: scikit-video in /home/huishi/anaconda3/envs/sdb/python3.8/site-packages (1.1.11)&#xA;Requirement already satisfied: scipy in /home/huishi/anaconda3/envs/sdb/python3.8/site-packages (from scikit-video) (1.8.1)&#xA;Requirement already satisfied: pillow in /home/huishi/anaconda3/envs/sdb/python3.8/site-packages (from scikit-video) (9.2.0)&#xA;Requirement already satisfied: numpy in /home/huishi/anaconda3/envs/sdb/python3.8/site-packages (from scikit-video) (1.23.0)&#xA;(sd) huishi@huishi:~/workspace/projectsideo_python$ **sudo apt-get install ffmpeg**&#xA;正在读取软件包列表... 完成&#xA;正在分析软件包的依赖关系树       &#xA;正在读取状态信息... 完成       &#xA;ffmpeg 已经是最新版 (7:3.4.11-0ubuntu0.1)。&#xA;下列软件包是自动安装的并且现在不需要了：&#xA;  docker-scan-plugin gir1.2-goa-1.0 gir1.2-snapd-1&#xA;使用&#x27;sudo apt autoremove&#x27;来卸载它(它们)。&#xA;升级了 0 个软件包，新安装了 0 个软件包，要卸载 0 个软件包，有 20 个软件包未被升级。&#xA;(sd) huishi@huishi:~/workspace/projectsideo_python$ python RabbitMqUtils.py &#xA;The license has expired.&#xA;/home/huishi/workspace/projectsideo_python/train_resource/train_split.py:12: YAMLLoadWarning: calling yaml.load() without Loader=... is deprecated, as the default Loader is unsafe. Please read https://msg.pyyaml.org/load for full details.&#xA;  tr_configs = yaml.load(f)&#xA;INFO: Created TensorFlow Lite XNNPACK delegate for CPU.&#xA;/home/huishi/anaconda3/envs/sdb/python3.8/site-packages/skvideo/__init__.py:306: UserWarning: ffmpeg/ffprobe not found in path: /usr/local/bin&#xA;  warnings.warn("ffmpeg/ffprobe not found in path: " &#x2B; str(path), UserWarning)&#xA;Traceback (most recent call last):&#xA;  File "RabbitMqUtils.py", line 17, in <module>&#xA;    from video_postprocess import post_Process&#xA;  File "/home/huishi/workspace/projectsideo_pythonideo_postprocess/post_Process.py", line 12, in <module>&#xA;    import skvideo.io&#xA;  File "/home/huishi/anaconda3/envs/sdb/python3.8/site-packages/skvideo/io/__init__.py", line 8, in <module>&#xA;    from .ffmpeg import *&#xA;ModuleNotFoundError: **No module named &#x27;skvideo.io.ffmpeg&#x27;**&#xA;(sd) huishi@huishi:~/workspace/projectsideo_python$&#xA;</module></module></module>

  


  I have tried to upgrade pip and skvideo but it doesn't work.

  


  How can I solve this problem ?

  


• nginx rtmp-module can't execute ffmpeg

  6 juin 2023, par Nasir

  I am having an issue with nginx-rtmp-module exec ffmpeg command. i have followed the example on 
www.github.com/arut/nginx-rtmp-module

  



  /home/junaid/bin/ffmpeg -f video4linux2 -i /dev/video1 -c:v libx264 -an -f flv rtmp://127.0.0.1:1935/myapp/mystream


  



  the command is working fine in terminal

  



  Config file :

  



  rtmp {
server {
    listen 1935;
    ping 30s;
    notify_method get;

    application myapp {
    live on;
    allow play all;
    exec_static /home/junaid/bin/ffmpeg -f video4linux2 -i /dev/video1 -c:v libx264 -an -f flv rtmp://127.0.0.1:1935/myapp/mystream;      
 }
}


  



  Error log :
http://www.codepad.org/enD4wlZ9

  



  I have tried :

  



  

  • nginx running as root (have permission to execute ffmpeg)

  


  • using ip instead of localhost

  


  • using complete path to ffmpeg

  


  • executing bash file (having ffmpeg and echo commands : echo commands execute just fine) from nginx

  


  



  please help me resolve this issue

  


• How to use the QMediaPlayer module to connect to a rtsp stream ?

  19 juin 2023, par Daniela

  I'm creating an RTSP stream using FFmpeg :

  


  ffmpeg -f gdigrab -framerate 30 -probesize 100M -i title="" -c:v libx264 -preset veryfast -maxrate 1000k -bufsize 1000k -pix_fmt yuv420p -g 50 -c:a aac -b:a 128k -f rtsp -rtsp_transport udp rtsp://...129:8554/stream


  


  and trying to connect to it using the Qt module QMediaPlayer.

  


  It stuck for many seconds when it read the line
player->setSource(QUrl("rtsp://....129:8554/stream"));

  


  and then debug this message :

  


  qt.multimedia.ffmpeg.mediadataholder: AVStream duration -9223372036854775808 is invalid. Taking it from the metadata


  


  Also, connect(player, &QMediaPlayer::errorOccurred print :

  


  Error: "Invalid argument"

  


  class MediaPlayer : public QObject
{
    Q_OBJECT
public:
    MediaPlayer (QObject* parent = nullptr) : QObject(parent)
    {
        player = new QMediaPlayer;
        player->setSource(QUrl("rtsp://....129:8554/stream"));
        connect(player, &QMediaPlayer::errorOccurred, this, [this](QMediaPlayer::Error error, const QString& errorString)
        {
            qDebug() << "Error:" << errorString;
        });

        videoWidget = new QVideoWidget;
        player->setVideoOutput(videoWidget);

        videoWidget->show();
        player->play();
    }

private:
    QMediaPlayer* player;
    QVideoWidget* videoWidget;
};


  


  Testing the exactly same streamUrl on vlc does work correctly.
I'm using Qt 6.6, and Win10. ffmpeg 6.0

  


  How I could debug this ?