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• How to fix "Cannot find a valid font for the family Sans' while adding text on image using react-native-ffmpeg

  13 mai 2024, par coffee

  I am trying to add text on image using the code below
RNFFmpeg
.execute(`-y -i ${input} -vf "drawtext=text='Hello World':fontcolor=white:fontsize=75:x=0:y=0" ${output}`) ;

  


  I am not using any custom font but still get this error.

  


  Error :

  


  [Parsed_drawtext_0 @ 0x7f87a1ce40] Cannot find a valid font for the family Sans

  


  index.js:115 [AVFilterGraph @ 0x7f6765e760] Error initializing filter 'drawtext'
index.js:115 [AVFilterGraph @ 0x7f6765e760] with args 'text=Hello World:fontcolor=white:fontsize=75:x=0:y=0'
index.js:115 [AVFilterGraph @ 0x7f6765e760]

  


  index.js:115 Error reinitializing filters !

  


  index.js:115 Failed to inject frame into filter network : No such file or directory

  


  index.js:115 Error while processing the decoded data for stream #0:0

  


  Note :

  


  I also tried using a custom font but not able to do it.
When I use RNFFmpegConfig.setFontDirectory('../../assets/fonts') function and with it the following code to add text on image
RNFFmpeg
.execute(`-y -i ${input} -vf "drawtext=text='Hello World':fontfile='../../assets/fonts/MyFont.ttf':fontcolor=white:fontsize=75:x=0:y=0" ${output}`) ;

  


  It gives me the same error.

  


  How can I fix this issue.

  


• Official Piwik Training in Berlin – 2014, June 6th

  6 mai 2014, par Piwik Core Team — Community

  This event will focus on providing training to users of the Piwik analytics platform. The training will provide attendees with the necessary skills and knowledge that they will need to be able to take their website to the next level with Piwik.

  Language : English

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  Why do you need training ?

  If you have just started using Piwik and are finding it a bit overwhelming, this training event will benefit you immensely. You will be able to learn all the necessary skills that will allow you move forward with Piwik.

  For users who have been using Piwik for a short time and have a bit of experience in using Piwik, you will be able to learn how to advance your skills and extend your knowledge of the Piwik platform.

  Advanced users will be able to gain more knowledge about the complex features and functions that Piwik incorporates, allowing you to customise different areas of the platform and learn about advanced topics.

  How can you benefit from this training event ?

  By understanding how Piwik works and how to use and operate Piwik more effectively, you will be able to make sound changes to your website that will allow you to achieve your business goals.

  Everyone, from ecommerce businesses to government organisations can benefit from this training event and learn the essential skills and gain the relevant knowledge to meet their goals and requirements.

  Some of the skills that you will learn during the training include :

  • How to install and get started with the Piwik platform
  • How Piwik will add value to your website
  • How to analyse and make sense of the data and information that you collect
  • How to create custom segments that will allow you to report on certain data and information
  • Advance exercises – Piwik settings, tweaking and basic diagnostics

  What equipment do I need in order to participate in the event ?

  You will need a computer that is able to connect to a Wifi network

  Are the tickets transferable ?

  Yes, the tickets are transferable.

  What is the refund policy on the tickets ?

  You are entitled to a refund up to 1 week before the commencement of the training.

  Training details

  <script type="text/javascript">          (function() { var scribd = document.createElement("script"); scribd.type = "text/javascript"; scribd.async = true; scribd.src = "#{root_url}javascripts/embed_code/inject.js"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(scribd, s); })()        </script>

  Contact us : contact@piwik.pro

  Registrations

  Register to Piwik Training now !

• Official Piwik Training in Berlin – 2014, June 6th

  6 mai 2014, par Piwik Core Team — Community

  This event will focus on providing training to users of the Piwik analytics platform. The training will provide attendees with the necessary skills and knowledge that they will need to be able to take their website to the next level with Piwik.

  Language : English

  Register to Piwik Training now.

  Location : The 25hours Hotel Bikini Berlin is as diverse as the big city it is located in and as wild as a jungle. The hotel showcases cosmopolitan Berlin at its location in the listed Bikini-Haus building between the Tiergarten park and Breitscheidplatz with Kaiser Wilhelm Memorial Church.

  

  Why do you need training ?

  If you have just started using Piwik and are finding it a bit overwhelming, this training event will benefit you immensely. You will be able to learn all the necessary skills that will allow you move forward with Piwik.

  For users who have been using Piwik for a short time and have a bit of experience in using Piwik, you will be able to learn how to advance your skills and extend your knowledge of the Piwik platform.

  Advanced users will be able to gain more knowledge about the complex features and functions that Piwik incorporates, allowing you to customise different areas of the platform and learn about advanced topics.

  How can you benefit from this training event ?

  By understanding how Piwik works and how to use and operate Piwik more effectively, you will be able to make sound changes to your website that will allow you to achieve your business goals.

  Everyone, from ecommerce businesses to government organisations can benefit from this training event and learn the essential skills and gain the relevant knowledge to meet their goals and requirements.

  Some of the skills that you will learn during the training include :

  • How to install and get started with the Piwik platform
  • How Piwik will add value to your website
  • How to analyse and make sense of the data and information that you collect
  • How to create custom segments that will allow you to report on certain data and information
  • Advance exercises – Piwik settings, tweaking and basic diagnostics

  What equipment do I need in order to participate in the event ?

  You will need a computer that is able to connect to a Wifi network

  Are the tickets transferable ?

  Yes, the tickets are transferable.

  What is the refund policy on the tickets ?

  You are entitled to a refund up to 1 week before the commencement of the training.

  Training details

  <script type="text/javascript">          (function() { var scribd = document.createElement("script"); scribd.type = "text/javascript"; scribd.async = true; scribd.src = "#{root_url}javascripts/embed_code/inject.js"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(scribd, s); })()        </script>

  Contact us : contact@piwik.pro

  Registrations

  Register to Piwik Training now !