[FFmpeg-devel] [PATCH 5/5] doc/bitstream_filters: Add av1_metadata

Mark Thompson sw at jkqxz.net
Fri Oct 5 02:09:47 EEST 2018


---
 doc/bitstream_filters.texi | 50 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/doc/bitstream_filters.texi b/doc/bitstream_filters.texi
index d948c6d658..66df24fd3d 100644
--- a/doc/bitstream_filters.texi
+++ b/doc/bitstream_filters.texi
@@ -37,6 +37,56 @@ raw ADTS AAC or an MPEG-TS container to MP4A-LATM, to an FLV file, or
 to MOV/MP4 files and related formats such as 3GP or M4A. Please note
 that it is auto-inserted for MP4A-LATM and MOV/MP4 and related formats.
 
+ at section av1_metadata
+
+Modify metadata embedded in an AV1 stream.
+
+ at table @option
+ at item td
+Insert or remove temporal delimiter OBUs in all temporal units of the
+stream.
+
+ at table @samp
+ at item insert
+ at item remove
+ at end table
+
+ at item color_primaries
+ at item transfer_characteristics
+ at item matrix_coefficients
+Set the color description fields in the stream (see AV1 section 6.4.2).
+
+ at item 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).
+ at table @samp
+ at item tv
+Limited range.
+ at item pc
+Full range.
+ at end table
+
+ at item 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.
+
+ at table @samp
+ at item vertical
+Left position (matching the default in MPEG-2 and H.264).
+ at item colocated
+Top-left position.
+ at end table
+
+ at item tick_rate
+Set the tick rate (@emph{num_units_in_display_tick / time_scale}) in
+the timing info in the sequence header.
+ at item num_ticks_per_picture
+Set the number of ticks in each picture, to indicate that the stream
+has a fixed framerate.  Ignored if @option{tick_rate} is not also set.
+
+ at end table
+
 @section chomp
 
 Remove zero padding at the end of a packet.
-- 
2.18.0



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