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doc/bitstream_filters: Add av1_metadata
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@ -37,6 +37,58 @@ raw ADTS AAC or an MPEG-TS container to MP4A-LATM, to an FLV file, or
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to MOV/MP4 files and related formats such as 3GP or M4A. Please note
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to MOV/MP4 files and related formats such as 3GP or M4A. Please note
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that it is auto-inserted for MP4A-LATM and MOV/MP4 and related formats.
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that it is auto-inserted for MP4A-LATM and MOV/MP4 and related formats.
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@section av1_metadata
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Modify metadata embedded in an AV1 stream.
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@table @option
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@item td
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Insert or remove temporal delimiter OBUs in all temporal units of the
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stream.
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@table @samp
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@item insert
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Insert a TD at the beginning of every TU which does not already have one.
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@item remove
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Remove the TD from the beginning of every TU which has one.
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@end table
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@item color_primaries
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@item transfer_characteristics
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@item matrix_coefficients
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Set the color description fields in the stream (see AV1 section 6.4.2).
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@item color_range
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Set the color range in the stream (see AV1 section 6.4.2; note that
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this cannot be set for streams using BT.709 primaries, sRGB transfer
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characteristic and identity (RGB) matrix coefficients).
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@table @samp
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@item tv
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Limited range.
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@item pc
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Full range.
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@end table
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@item chroma_sample_position
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Set the chroma sample location in the stream (see AV1 section 6.4.2).
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This can only be set for 4:2:0 streams.
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@table @samp
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@item vertical
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Left position (matching the default in MPEG-2 and H.264).
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@item colocated
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Top-left position.
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@end table
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@item tick_rate
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Set the tick rate (@emph{num_units_in_display_tick / time_scale}) in
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the timing info in the sequence header.
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@item num_ticks_per_picture
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Set the number of ticks in each picture, to indicate that the stream
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has a fixed framerate. Ignored if @option{tick_rate} is not also set.
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@end table
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@section chomp
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@section chomp
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Remove zero padding at the end of a packet.
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Remove zero padding at the end of a packet.
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