- a -

• accurate_seek : InputFile , OptionsContext
• apad : OptionsContext , OutputStream
• arg : OptionGroup
• argname : OptionDef
• attachment_filename : OutputStream
• attachments : OptionsContext
• audio_channel_maps : OptionsContext
• audio_channels : OptionsContext
• audio_channels_map : OutputStream
• audio_channels_mapped : OutputStream
• audio_disable : OptionsContext
• audio_sample_rate : OptionsContext
• autorotate : InputStream , OptionsContext
• autoscale : OptionsContext , OutputStream
• avfilter : OutputStream