Module: FFMpeg::MainOptions

Included in:
FFMpeg
Defined in:
lib/ffmpeg/main_options.rb

Instance Method Summary collapse

Instance Method Details

#album(album) ⇒ Object

Set the album.

album "An awesome album"



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# File 'lib/ffmpeg/main_options.rb', line 115

def album(album)
  FFMpegCommand << "-album '#{album}'"
end

#author(author) ⇒ Object

Set the author.

author "PMH"



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# File 'lib/ffmpeg/main_options.rb', line 88

def author(author)
  FFMpegCommand << "-author '#{author}'"
end

#comment(comment) ⇒ Object

Set the comment.

comment "Some comment"



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# File 'lib/ffmpeg/main_options.rb', line 106

def comment(comment)
  FFMpegCommand << "-comment '#{comment}'"
end

#copyright(copyright) ⇒ Object

Set the copyright.

copyright "(c) Patrik Hedman 2009"



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# File 'lib/ffmpeg/main_options.rb', line 97

def copyright(copyright)
  FFMpegCommand << "-copyright '#{copyright}'"
end

#duration(duration) ⇒ Object

Set the duration specified in seconds. hh:mm:ss syntax is also supported

duration "600"

or

duration "00:10:00"



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# File 'lib/ffmpeg/main_options.rb', line 29

def duration(duration)
  FFMpegCommand << "-t #{duration}"
end

#file_size_limit(limit) ⇒ Object

Set a file size limit in bytes

file_size_limit 104_857_600



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# File 'lib/ffmpeg/main_options.rb', line 38

def file_size_limit(limit)
  FFMpegCommand << "-fs #{limit.to_s}"
end

#frames_to_record(frames) ⇒ Object

Set the number of frames to record.

frames_to_record 50



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# File 'lib/ffmpeg/main_options.rb', line 154

def frames_to_record(frames)
  FFMpegCommand <<  "-dframes #{frames}"
end

#offset(offset) ⇒ Object

Set the input time offset in seconds.

-]hh:mm:ss[.xxx

syntax is also supported.

This option affects all the input files that follow it. The offset is added to the timestamps of the input files. Specifying a positive offset means that the corresponding streams are delayed by ‘offset’ seconds.

offset "600"

or

offset "00:10:00"



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# File 'lib/ffmpeg/main_options.rb', line 70

def offset(offset)
  FFMpegCommand << "-itsoffset #{offset}"
end

#overwrite_existing_file ⇒ Object

Overwrite output file if it already exists



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# File 'lib/ffmpeg/main_options.rb', line 15

def overwrite_existing_file
  FFMpegCommand.add_at("-y", 0)
end

#seek(position) ⇒ Object

Seek to given time position in seconds. hh:mm:ss syntax is also supported.

seek "600"

or

seek "00:10:00"



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# File 'lib/ffmpeg/main_options.rb', line 52

def seek(position)
  FFMpegCommand << "-ss #{position}"
end

#source(*filename) ⇒ Object 



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# File 'lib/ffmpeg/main_options.rb', line 4

def source(*filename)
  FFMpegCommand << "-i #{filename}"
end

#subtitle_codec(codec) ⇒ Object

Force subtitle codec (‘copy’ to copy stream)



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# File 'lib/ffmpeg/main_options.rb', line 161

def subtitle_codec(codec)
  FFMpegCommand << "-scodec #{codec}"
end

#target(target) ⇒ Object

Specify target file type (“vcd”, “svcd”, “dvd”, “dv”, “dv50”, “pal-vcd”, “ntsc-svcd”, … ). All the format options (bitrate, codecs, buffer sizes) are then set automatically. Nevertheless you can specify additional options as long as you know they do not conflict with the standard.

target "vcd"



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# File 'lib/ffmpeg/main_options.rb', line 145

def target(target)
  FFMpegCommand << "#{target}"
end

#title(title) ⇒ Object

Set the title.

title "Some Title"



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# File 'lib/ffmpeg/main_options.rb', line 79

def title(title)
  FFMpegCommand << "-title '#{title}'"
end

#track(track) ⇒ Object

Set the track number:

track 1



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# File 'lib/ffmpeg/main_options.rb', line 124

def track(track)
  FFMpegCommand << "-track #{track}"
end

#year(year) ⇒ Object

Set the year.

year 1985



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# File 'lib/ffmpeg/main_options.rb', line 133

def year(year)
  FFMpegCommand << "-year #{year}"
end