[FFmpeg-devel] [PATCH 5/5] Document file protocol options

Andrey Utkin andrey.krieger.utkin at gmail.com
Sat Jul 13 19:07:18 CEST 2013

 doc/protocols.texi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/doc/protocols.texi b/doc/protocols.texi
index e8427aa..93a3c4e 100644
--- a/doc/protocols.texi
+++ b/doc/protocols.texi
@@ -129,6 +129,16 @@ The ff* tools default to the file protocol, that is a resource
 specified with the name "FILE.mpeg" is interpreted as the URL
+This protocol accepts the following options:
+ at table @option
+ at item truncate
+Truncates existing files on write, if set to 1. Value 0 prevents truncating. Default value is 1.
+ at item blocksize
+Set I/O operation maximum block size, in bytes. Default value is INT_MAX, which results in not limiting the requested block size. Setting this value reasonably low improves user termination request reaction time, which is valuable for files on slow medium.
+ at end table
 @section ftp
 FTP (File Transfer Protocol).

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