avdevice/decklink_dec: autodetect the video input format

[ffmpeg] / doc / indevs.texi

diff --git a/doc/indevs.texi b/doc/indevs.texi
index d308bbf7de9f102148afce17f5ecc3e873b638ee..56066bf23adf653e3e4cedaeb3f4898e4934af6f 100644 (file)
--- a/doc/indevs.texi
+++ b/doc/indevs.texi
@@ -238,6 +238,8 @@ This sets the input video format to the format given by the FourCC. To see
 the supported values of your device(s) use @option{list_formats}.
 Note that there is a FourCC @option{'pal '} that can also be used
 as @option{pal} (3 letters).
+Default behavior is autodetection of the input video format, if the hardware
+supports it.
 
 @item bm_v210
 This is a deprecated option, you can use @option{raw_format} instead.