ffmpeg-ffi

• Index

Contents

• Usage

Topics

• README
• LICENSE

Modules

• ffmpeg
• ffmpeg.torch

ffmpeg-ffi

LuaJIT FFI bindings to FFmpeg libraries.

Usage

local ffmpeg = require('ffmpeg')

ffmpeg.new('./example.mpg')
  :filter('gray', 'scale=40:12')
  :read_video_frame()
  :to_ascii()
  :and_then(function(ascii_frame)
    print(ascii_frame)
  end)
  :catch(function(err)
    print('An error occurred: ' .. err)
  end)

Torch

If you have Torch installed, load the enhanced version of the library.

local ffmpeg = require('ffmpeg.torch')

local first_frame_tensor = ffmpeg.new('./example.mpg')
  :filter('rgb24', 'scale=512:512')
  :read_video_frame()
  :to_byte_tensor()
  :catch(function(err)
    -- Use the Lena image in case of error
    return image:lena()
  end)
  :get()