Please can you create an option to export audio as mono?

[mangataot2]

As simple as that! Thanks

[Nico-Duduf]

Thanks for the report :)

Notes for development

Doc

ffmpeg audio doc: https://trac.ffmpeg.org/wiki/AudioChannelManipulation

UI: Nodeview

Let's replace the "Select and map streams" option by a nodal view for mapping strings and channels

Connection types

• Video stream
• Audio Channel (Mono stream)
• Stereo Audio stream
• 5.1 Audio stream
• Subtitle stream

Output Nodes

Output file

• Options
  • Set number of video streams (if format with video); default: 1
  • Set number of audio streams (if format with audio); default: 1
  • Set number of subtitle streams (if format with subtitles); default: 0
• Inputs
  • One for each stream
• Outputs
  • None

Input Nodes

Video Input

• Options
  • Select input file
• Inputs
  • None
• Outputs
  • Video stream 1
  • Video stream 2
  • etc.

Audio Input

• Options
  • Select input file
• Inputs
  • None
• Outputs
  • Audio stream 1
  • Audio stream 2
  • etc.

Subtitle Input

• Options
  • Select input file
• Inputs
  • None
• Outputs
  • Subtitle stream 1
  • Subtitle stream 2
  • etc.

Audio Nodes

Separate 5.1 Channels

• Options
  • None
• Inputs
  • 5.1 Audio Stream
• Outputs
  • Front Left
  • Center
  • Front Right
  • Rear Right
  • Rear Left
  • LFE

Separate Stereo Channels

• Options
  • None
• Inputs
  • Stereo Audio Stream
• Outputs
  • Left
  • Right

5.1 Mix

• Options
  • None
• Inputs
  • Front Left
  • Center
  • Front Right
  • Rear Right
  • Rear Left
  • LFE
• Outputs
  • 5.1 Audio Stream

Stereo Mix

• Options
  • None
• Inputs
  • Left
  • Right
• Outputs
  • Stereo Audio Stream

5.1 to Stereo Downmix

• Options
  • None
• Inputs
  • 5.1 Audio Stream
• Outputs
  • Stereo Audio Stream

5.1 to Mono Downmix

• Options
  • None
• Inputs
  • 5.1 Audio Stream
• Outputs
  • Mono Audio Stream

Stereo to Mono Downmix

• Options
  • None
• Inputs
  • Stereo Audio Stream
• Outputs
  • Mono Audio Stream