X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=doc%2Findevs.texi;h=dc6cdb6deecd33c11a226ee06a46ec48acf1f3fd;hb=71907f25093966301770df11e61c7a0c76d6ac5e;hp=51c304f3ecda2569b627db66dd49bdef05419b2c;hpb=ea49308402d9df27a9c4b7555912100096b140d3;p=ffmpeg

diff --git a/doc/indevs.texi b/doc/indevs.texi
index 51c304f3ecd..dc6cdb6deec 100644
--- a/doc/indevs.texi
+++ b/doc/indevs.texi
@@ -245,13 +245,19 @@ of uyvy422. Not all Blackmagic devices support this option.
 
 @item teletext_lines
 If set to nonzero, an additional teletext stream will be captured from the
-vertical ancillary data. This option is a bitmask of the VBI lines checked,
-specifically lines 6 to 22, and lines 318 to 335. Line 6 is the LSB in the mask.
-Selected lines which do not contain teletext information will be ignored. You
-can use the special @option{all} constant to select all possible lines, or
-@option{standard} to skip lines 6, 318 and 319, which are not compatible with all
-receivers. Capturing teletext only works for SD PAL sources in 8 bit mode.
-To use this option, ffmpeg needs to be compiled with @code{--enable-libzvbi}.
+vertical ancillary data. Both SD PAL (576i) and HD (1080i or 1080p)
+sources are supported. In case of HD sources, OP47 packets are decoded.
+
+This option is a bitmask of the SD PAL VBI lines captured, specifically lines 6
+to 22, and lines 318 to 335. Line 6 is the LSB in the mask. Selected lines
+which do not contain teletext information will be ignored. You can use the
+special @option{all} constant to select all possible lines, or
+@option{standard} to skip lines 6, 318 and 319, which are not compatible with
+all receivers.
+
+For SD sources, ffmpeg needs to be compiled with @code{--enable-libzvbi}. For
+HD sources, on older (pre-4K) DeckLink card models you have to capture in 10
+bit mode.
 
 @item channels
 Defines number of audio channels to capture. Must be @samp{2}, @samp{8} or @samp{16}.
@@ -283,6 +289,11 @@ Sets the audio packet timestamp source. Must be @samp{video}, @samp{audio},
 If set to @samp{true}, color bars are drawn in the event of a signal loss.
 Defaults to @samp{true}.
 
+@item queue_size
+Sets maximum input buffer size in bytes. If the buffering reaches this value,
+incoming frames will be dropped.
+Defaults to @samp{1073741824}.
+
 @end table
 
 @subsection Examples