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-rw-r--r--DOCS/man/en/options.rst6
-rw-r--r--DOCS/man/en/vo.rst3
2 files changed, 9 insertions, 0 deletions
diff --git a/DOCS/man/en/options.rst b/DOCS/man/en/options.rst
index f8a999758e..516d485c7e 100644
--- a/DOCS/man/en/options.rst
+++ b/DOCS/man/en/options.rst
@@ -1791,6 +1791,12 @@
to write a screenshot. Too high compression might occupy enough CPU time to
interrupt playback. The default is 7.
+--screenshot-png-filter=<0-5>
+ Set the filter applied prior to PNG compression. 0 is none, 1 is "sub", 2 is
+ "up", 3 is "average", 4 is "Paeth", and 5 is "mixed". This affects the level
+ of compression that can be achieved. For most images, "mixed" achieves the
+ best compression ratio, hence it is the default.
+
--screenshot-template=<template>
Specify the filename template used to save screenshots. The template
specifies the filename without file extension, and can contain format
diff --git a/DOCS/man/en/vo.rst b/DOCS/man/en/vo.rst
index 251e71ce03..079e146f8a 100644
--- a/DOCS/man/en/vo.rst
+++ b/DOCS/man/en/vo.rst
@@ -708,6 +708,9 @@ image
png-compression=<0-9>
PNG compression factor (speed vs. file size tradeoff) (default: 7)
+ png-filter=<0-5>
+ Filter applied prior to PNG compression (0 = none; 1 = sub; 2 = up;
+ 3 = average; 4 = Paeth; 5 = mixed) (default: 5)
jpeg-quality=<0-100>
JPEG quality factor (default: 90)
[no-]jpeg-progressive