| FFmpegKit iOS / macOS / tvOS API 4.5

### - n -

- need_output() : fftools_ffmpeg.c
- new_attachment_stream() : fftools_ffmpeg.h, fftools_ffmpeg_opt.c
- new_audio_stream() : fftools_ffmpeg.h, fftools_ffmpeg_opt.c
- new_data_stream() : fftools_ffmpeg.h, fftools_ffmpeg_opt.c
- new_output_stream() : fftools_ffmpeg.h, fftools_ffmpeg_opt.c
- new_subtitle_stream() : fftools_ffmpeg.h, fftools_ffmpeg_opt.c
- new_unknown_stream() : fftools_ffmpeg.h, fftools_ffmpeg_opt.c
- new_video_stream() : fftools_ffmpeg.h, fftools_ffmpeg_opt.c
- next_codec_for_id() : fftools_cmdutils.c
- none_escape_str() : fftools_ffprobe.c
- NS_ENUM() : FFmpegKitConfig.h, FFmpegKitConfig.m, Level.h, LogRedirectionStrategy.h, ReturnCode.h, SessionState.h