{ "gop_timecode", "MPEG GOP Timecode in hh:mm:ss[:;.]ff format. Overrides timecode_frame_start.", \
OFFSET(tc_opt_str), AV_OPT_TYPE_STRING, {.str=NULL}, CHAR_MIN, CHAR_MAX, VE },\
{ "intra_vlc", "Use MPEG-2 intra VLC table.", \
OFFSET(intra_vlc_format), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, \
{ "drop_frame_timecode", "Timecode is in drop frame format.", \
OFFSET(drop_frame_timecode), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, \
{ "scan_offset", "Reserve space for SVCD scan offset user data.", \
OFFSET(scan_offset), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, \
{ "timecode_frame_start", "GOP timecode frame start number, in non-drop-frame format", \
OFFSET(timecode_frame_start), AV_OPT_TYPE_INT64, {.i64 = -1 }, -1, INT64_MAX, VE}, \