Here is a list of all struct and union fields with links to the structures/unions they belong to:

### - s -

- sample_aspect_ratio : InputFilter
- sample_fmts : OptionsContext
- sample_rate : InputFilter , OutputFilter
- sample_rates : OutputFilter
- samples_decoded : InputStream
- samples_encoded : OutputStream
- saw_first_ts : InputStream
- section : WriterContext
- section_pbuf : WriterContext
- sections : WriterContext
- seek_timestamp : InputFile , OptionsContext
- sep : FlatContext , OptionGroupDef
- sep_str : FlatContext
- sessionId : CallbackData
- shortest : OptionsContext , OutputFile
- show_all_entries : section
- source_index : OutputStream
- specifier : SpecifierOpt
- st : InputStream , OutputStream
- start : InputStream , ReadInterval
- start_is_offset : ReadInterval
- start_time : InputFile , OptionsContext , OutputFile
- start_time_eof : OptionsContext
- statisticsBitrate : CallbackData
- statisticsFps : CallbackData
- statisticsFrameNumber : CallbackData
- statisticsQuality : CallbackData
- statisticsSize : CallbackData
- statisticsSpeed : CallbackData
- statisticsTime : CallbackData
- stop_time : OptionsContext
- str : SpecifierOpt
- stream_copy : OutputStream
- stream_idx : AudioChannelMap
- stream_index : StreamMap
- stream_maps : OptionsContext
- streamid_map : OptionsContext
- streams : InputFile
- string_validation : WriterContext
- string_validation_replacement : WriterContext
- string_validation_utf8_flags : WriterContext
- sub2video : InputStream
- sub_queue : InputStream::sub2video
- subtitle : InputStream
- subtitle_disable : OptionsContext
- swr_opts : OptionGroup , OutputStream
- sws_dict : OptionGroup , OutputStream
- sync_file_index : StreamMap
- sync_ist : OutputStream
- sync_opts : OutputStream
- sync_stream_index : StreamMap
- sys_usec : BenchmarkTimeStamps