Modify metadata embedded in an AV1 stream.

td

Insert or remove temporal delimiter OBUs in all temporal units of the stream.

insert

Insert a TD at the beginning of every TU which does not already have one.

remove

Remove the TD from the beginning of every TU which has one.

color_primaries, transfer_characteristics, matrix_coefficients

Set the color description fields in the stream (see AV1 section 6.4.2).

color_range

Set the color range in the stream (see AV1 section 6.4.2; note that this cannot be set for streams using BT.709 primaries, sRGB transfer characteristic and identity (RGB) matrix coefficients).

tv

Limited range.

pc

Full range.

chroma_sample_position

Set the chroma sample location in the stream (see AV1 section 6.4.2). This can only be set for 4:2:0 streams.

vertical

Left position (matching the default in MPEG-2 and H.264).

colocated

Top-left position.

tick_rate

Set the tick rate (num_units_in_display_tick / time_scale) in the timing info in the sequence header.

num_ticks_per_picture

Set the number of ticks in each picture, to indicate that the stream has a fixed framerate. Ignored if tick_rate is not also set.