commit 233e70bd856bb1b90844b51b0e7b3534e804c4ef
parent b8a30d699041fe9953b37019913792a7cc2192f7
Author: Mattias Andrée <maandree@kth.se>
Date: Sat, 23 Sep 2017 17:11:16 +0200
blind-to-video manpage: transparent videos
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat:
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/TODO b/TODO
@@ -38,7 +38,6 @@ blind-preview a graphical tool for previewing the output of a pipeline
should have sliders to tune environment variables
--- tool from creating blockwise transitions
-blind-cone-gradient: add ability to make gradient superelliptic
blind-to-text, blind-from-text: support %a, %e, %g, and custom precision
Add [-j jobs] to blind-from-video, blind-to-video, blind-convert, and blind-apply-kernel.
diff --git a/man/blind-to-video.1 b/man/blind-to-video.1
@@ -41,6 +41,13 @@ such as frame rate, geometry, and format, of the input video.
Beginners are recommended to use
.B -c:v libx264 -preset veryslow -crf 0 -pix_fmt yuv444p --
.IR output-file .
+.P
+If your output video need include an alpha channel, the codec
+.BR ffvhuff .
+Not all video players support videos with transparency.
+.BR mpv (1)
+is a good media player for previewing videos with transparency,
+however it distorts colour somewhat.
.SH OPTIONS
.TP
.B -d
