- { "aic", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_aic}, "enable Advanced intra coding (h263+)" },
- { "aiv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_aiv}, "enable Alternative inter vlc (h263+)" },
- { "umv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_umv}, "enable Unlimited Motion Vector (h263+)" },
- { "ssm", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_ss}, "enable Slice Structured mode (h263+)" },
- { "alt", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_alt_scan}, "enable alternate scantable (MPEG2/MPEG4)" },
- { "qprd", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_qprd}, "" },
- { "cbp", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_cbprd}, "" },
- { "trell", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_trell}, "enable trellis quantization" },
- { "mv0", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_mv0}, "try to encode each MB with MV=<0,0> and choose the better one (has no effect if mbd=0)" },
- { "naq", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_normalize_aqp}, "normalize adaptive quantization" },
- { "cgop", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&closed_gop}, "closed gop" },
- { "sgop", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&strict_gop}, "strict gop" },
- { "noout", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&no_output}, "skip bitstream encoding" },
- { "scan_offset", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_scan_offset}, "enable SVCD Scan Offset placeholder" },
- { "qpel", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_qpel}, "enable 1/4-pel" },