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• Can't generate libx264.dll. MinGW : not c Compiler found

  20 avril 2015, par Sandie C

  It’s my first post in a forum ever (and in english...) Any suggestion is welcomed.

  So let’s started !

  My global goal is to recorder/transcoding and dispay an IP Camera stream from a .bat whitch calling vlc.

  I want an asf container containing h264 and aac.

  ---

  .bat :

  cd C :\Program Files (x86)\VideoLAN\VLC

  vlc rtsp ://root:root@ip_adresse/media.amp —sout "#transcode vcodec=x264, vb=112 , acodec==aac, fps=25:duplicatedst=display,dst=standardaccess=file,mux = asf,dst=flux.asf" -v

  ---

  when I first execute this, VLC told me that H264 encoder was not found, so I decided to compile x264.

  I followed this link

  http://www.ayobamiadewole.com/Blog/How-to-build-x264-or-libx264.dll-in-Windows

  I succeed to make the .exe but and when I got to

  ./configure —disable-cli —enable-shared —extra-ldflags=-Wl,—output-def=libx264.def

  minGW shell indicates : not working c compiler found

  I tried to find some answer, but i didn’t found a good one.

  Does anyone have an idea of what i’m doing wrong ?

• Using FFMPEG and PHP to encode HLS video on the fly

  21 avril 2024, par mrsmith

  I'm re-encoding a MP4 video to HLS using FFMPEG with PHP. I'm trying to then directly serve to the output to a HTML page's <video></video> tag. The following script (encode.php) encodes the video as I require and it works if I use the script url directly in VLC player for example but I'm struggling to get the gtml page to play it. The resulting video file should be compatible with most browsers. I use video.src = 'encode.php' on my player html page.

  


  Any help appreciated.

  


  <?php

$input_video = 'whatever.mp4';

// video passthrough
// hls format
// audio (english strems only) to aac (6 channel)
// output to stdout

$ffmpeg_command = 'ffmpeg -i ' . escapeshellarg($input_video) . ' -map 0:v -c:v copy -map 0:a:m:language:eng -c:a aac -ac 6 -b:a 320k -f hls -hls_time 30 -hls_list_size 120 -start_number 0 -';

$handle = popen($ffmpeg_command, 'rb');

header('Content-Type: application/vnd.apple.mpegurl');
header('Content-Disposition: inline; filename="output.m3u8"');

// stream the output to the browser
fpassthru($handle);
pclose($handle);
?>


  


• How do I resize my video ? in proportion (python)

  23 septembre 2022, par ggn0

  *I am sorry for my poor English. It's a translator.

  


  I used Python moviepy to resize it, but the pixels are broken. I want to make the video 9:16 ratio while maintaining the original image quality. (So that there are black frames on both sides)

  


  from moviepy.editor import *
c = VideoFileClip('test.mp4')
f = c.resize(newsize=(1080,1920))
f.write_videofile('aa.mp4')


  


  This code causes pixels to collapse.

  


  Let me show you an example picture.

  


  Original Video Example

  


  The video I want

  


  Pictures that come out using movie resize (other example pictures, pixels collapse and proportions collapse) Pictures that I don't want

  


  It doesn't have to be moviepy, so I'd appreciate it if you could tell me how to use Python. (PIL ? opencv ?)

  


  Thank you so much. Have a nice day 🙏