ffmpeg -encoders

returns:

Encoders:
 V..... = Video
 A..... = Audio
 S..... = Subtitle
 .F.... = Frame-level multithreading
 ..S... = Slice-level multithreading
 ...X.. = Codec is experimental
 ....B. = Supports draw_horiz_band
 .....D = Supports direct rendering method 1
 ------
 V....D a64multi             Multicolor charset for Commodore 64 (codec a64_multi)
 V....D a64multi5            Multicolor charset for Commodore 64, extended with 5th color (colram) (codec a64_multi5)
 V....D alias_pix            Alias/Wavefront PIX image
 V..... amv                  AMV Video
 V....D apng                 APNG (Animated Portable Network Graphics) image
 V....D asv1                 ASUS V1
 V....D asv2                 ASUS V2
 V....D libaom-av1           libaom AV1 (codec av1)
 V....D librav1e             librav1e AV1 (codec av1)
 V..... libsvtav1            SVT-AV1(Scalable Video Technology for AV1) encoder (codec av1)
 V....D av1_nvenc            NVIDIA NVENC av1 encoder (codec av1)
 V..... av1_qsv              AV1 (Intel Quick Sync Video acceleration) (codec av1)
 V....D av1_vaapi            AV1 (VAAPI) (codec av1)
 V....D avrp                 Avid 1:1 10-bit RGB Packer
 V..X.D avui                 Avid Meridien Uncompressed
 V....D ayuv                 Uncompressed packed MS 4:4:4:4
 VF...D bitpacked            Bitpacked
 V....D bmp                  BMP (Windows and OS/2 bitmap)
 VF...D cfhd                 GoPro CineForm HD
 V....D cinepak              Cinepak
 V....D cljr                 Cirrus Logic AccuPak
 V.S..D vc2                  SMPTE VC-2 (codec dirac)
 VFS..D dnxhd                VC3/DNxHD
 V....D dpx                  DPX (Digital Picture Exchange) image
 VFS..D dvvideo              DV (Digital Video)
 VF...D exr                  OpenEXR image
 V.S..D ffv1                 FFmpeg video codec #1
 VF...D ffvhuff              Huffyuv FFmpeg variant
 V....D fits                 Flexible Image Transport System
 V....D flashsv              Flash Screen Video
 V....D flashsv2             Flash Screen Video Version 2
 V..... flv                  FLV / Sorenson Spark / Sorenson H.263 (Flash Video) (codec flv1)
 V....D gif                  GIF (Graphics Interchange Format)
 V..... h261                 H.261
 V..... h263                 H.263 / H.263-1996
 V..... h263_v4l2m2m         V4L2 mem2mem H.263 encoder wrapper (codec h263)
 V.S... h263p                H.263+ / H.263-1998 / H.263 version 2
 V....D libx264              libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (codec h264)
 V....D libx264rgb           libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 RGB (codec h264)
 V....D h264_nvenc           NVIDIA NVENC H.264 encoder (codec h264)
 V..... h264_qsv             H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (Intel Quick Sync Video acceleration) (codec h264)
 V..... h264_v4l2m2m         V4L2 mem2mem H.264 encoder wrapper (codec h264)
 V....D h264_vaapi           H.264/AVC (VAAPI) (codec h264)
 
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