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• Revision 31020 : max = 255, ça bloquait la création de la table sur certaine base

  20 août 2009, par vincent@… — Log

  max = 255, ça bloquait la création de la table sur certaine base

• Introducing Updates to the Funnels Feature

  29 mai 2024, par Erin

  We’ve made improvements to the Funnels feature to be more user-friendly and offer you greater flexibility. 

  &lt;script type=&quot;text/javascript&quot;&gt;<br />
       if ('function' === typeof window.playMatomoVideo){<br />
       window.playMatomoVideo(&quot;FunnelsProductUpdate2024&quot;, &quot;#FunnelsProductUpdate2024&quot;)<br />
       } else {<br />
       document.addEventListener(&quot;DOMContentLoaded&quot;, function() { window.playMatomoVideo(&quot;FunnelsProductUpdate2024&quot;, &quot;#FunnelsProductUpdate2024&quot;); });<br />
       }<br />
  &lt;/script&gt;

  Here’s what’s changing :
  

  Setting up and managing funnels is now easier than ever 

  Previously, creating funnels was tedious and required going through the Goals feature. But we’ve changed that with the introduction of a separate page to configure funnels. 

  

  Create funnels with greater flexibility—no longer tied to goals 

  Funnels is now a standalone feature, providing you with more flexibility. Before, you could only create a funnel if it was tied to a goal, in other words, the final step in the funnel had to be a goal. What’s more, you also couldn’t use goals for steps in the funnel.  

  

  Now, funnels are independent of goals, and goals can serve as steps within the funnel. This means you have the freedom to configure any combination of steps in a funnel : 

  • All steps can be goals 
  • No steps need to be goals 
  • Or some steps can be goals, some steps can be events 

  

  No matter what your customer journey looks like, funnels now offer the versatility to meet your business’s specific needs. 

  Find friction points faster with intuitive visuals 

  One of the most significant improvements is the visual upgrade of the Funnels feature. The new Funnels graph is now visually in line with industry standards and intuitive. 

  

  The new visual provides a clearer view of your drop-off and conversion rates so you can instantly find points of friction in your funnel to improve the user experience and overall conversion rate.  

  This visualisation also provides a detailed overview of the number of visitors who enter, exit, skip, or proceed at each step of your funnel by using different coloured bars for visual clarity on each step’s performance. 

  With this update, we’ve also replaced ‘backfilled visits’ with ‘skipped steps’ to avoid misinterpretation of the data. 

  New data table for more granular insights 

  Accompanying this visual improvement is a new data table, allowing for more granular insights, segment comparison, and easy data export.
  

  

  We’ve also increased Funnel analysis limits. You can now compare funnel data for 2 date periods and 6 segments (up to 12 compared datasets in total). 

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• Why does every encoded frame's size increase after I had use to set one frame to be key in intel qsv of ffmpeg

  22 avril 2021, par TONY

  I used intel's qsv to encode h264 video in ffmpeg. My av codec context settings is like as below :

  


   m_ctx->width = m_width;
    m_ctx->height = m_height;
    m_ctx->time_base = { 1, (int)fps };
    m_ctx->qmin = 10;
    m_ctx->qmax = 35;
    m_ctx->gop_size = 3000;
    m_ctx->max_b_frames = 0;
    m_ctx->has_b_frames = false;
    m_ctx->refs = 2;
    m_ctx->slices = 0;
    m_ctx->codec_id = m_encoder->id;
    m_ctx->codec_type = AVMEDIA_TYPE_VIDEO;
    m_ctx->pix_fmt = m_h264InputFormat;
    m_ctx->compression_level = 4;
    m_ctx->flags &= ~AV_CODEC_FLAG_CLOSED_GOP;
    AVDictionary *param = nullptr;
    av_dict_set(&param, "idr_interval", "0", 0);
    av_dict_set(&param, "async_depth", "1", 0);
    av_dict_set(&param, "forced_idr", "1", 0);


  


  and in the encoding, I set the AVFrame to be AV_PICTURE_TYPE_I when key frame is needed :

  


    if(key_frame){
        encodeFrame->pict_type = AV_PICTURE_TYPE_I;
    }else{
        encodeFrame->pict_type = AV_PICTURE_TYPE_NONE;
    }
    avcodec_send_frame(m_ctx, encodeFrame);
    avcodec_receive_packet(m_ctx, m_packet);
   std::cerr<<"packet size is "<size<<",is key frame "<code>

  


  The strange phenomenon is that if I had set one frame to AV_PICTURE_TYPE_I, then every encoded frame's size after the key frame would increase. If I change the h264 encoder to x264, then it's ok.

  


  The packet size is as below before I call "encodeFrame->pict_type = AV_PICTURE_TYPE_I" :

  


  packet size is 26839
packet size is 2766
packet size is 2794
packet size is 2193
packet size is 1820
packet size is 2542
packet size is 2024
packet size is 1692
packet size is 2095
packet size is 2550
packet size is 1685
packet size is 1800
packet size is 2276
packet size is 1813
packet size is 2206
packet size is 2745
packet size is 2334
packet size is 2623
packet size is 2055


  


  If I call "encodeFrame->pict_type = AV_PICTURE_TYPE_I", then the packet size is as below :

  


  packet size is 23720,is key frame 1
packet size is 23771,is key frame 0
packet size is 23738,is key frame 0
packet size is 23752,is key frame 0
packet size is 23771,is key frame 0
packet size is 23763,is key frame 0
packet size is 23715,is key frame 0
packet size is 23686,is key frame 0
packet size is 23829,is key frame 0
packet size is 23774,is key frame 0
packet size is 23850,is key frame 0