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• My Website Downloads MP4s Instead of Plays them

  18 juillet 2014, par user3412869

  I have a website I am working on and I have an uploads/ folder with mp4 files. When I test this site locally using XAMPP and click the link to the MP4 files, Chrome plays the MP4 with the browser and then when I click the back button it takes me back to my site. When I upload all of the site files to a webserver and click the same links to view the mp4 files it downloads the files and keeps me on the same page. However, I would like it to perform the same actions it does when I am developing locally, and play them, not download the files.

  Is it possible to have Chrome play Mp4 files that are hosted on a server and not download them ?

• .mp4 cant play on WMplayer. Tried to change container and work. How to create a ffmpeg batch fix to apply to entire directory ?

  3 octobre 2019, par luiza

  I have some .mp4 files which are not playing in Windows Media Player, (Error : Windows Media Player cannot play the file. The Player might not support the file type or might not support the codec that was used to compress the file)_, but does play in VLC. I tried to change the container from .mp4 to .flv using a .bat and after I changed it back to .mp4 and the file started playing normally without the error message. Does anyone have an idea of what it might be or how I can write a a command for batch conversion which changes the containers in all folders, and then change it back to .mp4 and save in another folder, (or will I have to do folder by folder ?)

  I used ffmpeg, and the command I put in the batch file was :

  The first .bat to change the container from .mp4 to another container, (I chose .flv) :

  for %%a in ("*.mp4") do ffmpeg -i "%%a" -vcodec copy -acodec copy "%%~na.flv" pause

  The second .bat to change back to .mp4 :

  for %%a in ("*.flv") do ffmpeg -i "%%a" -vcodec copy -acodec copy "%%~na.mp4" pause

  I wrote this on notepad and then saved .bat. After changing all files I wrote the way back.

  I dont know exactly what it does, but I know it fixes any issues.

  Can someone help me to write it better and make it work with the whole directory and then save it to another directory to not overwrite the older files ?

  Thanks !

  for %%a in ("*.mp4") do ffmpeg -i "%%a" -vcodec copy -acodec copy "%%~na.flv" pause

• FFMPEG handling h264 stream that does not send a frame consistently

  23 avril 2022, par Rhys_m

  I am working with a raw h264 stream, this is a live stream coming from a device, however when the device is streaming a menu page that is static, it doesn’t send out a frame. I am feeding the stream back into a v4l2 loop back instance and then consuming this on a webpage via getUserMedia. The issue I have is that ffmpeg does not send frames to v4l2 when the hardware device is not sending frames. I have tried to set the output of ffmpeg to cfr and 60fps. However this doesn’t make it send out duplicates of the last frame. Is there anyway to achieve this ?

  


  Thanks in advance