From 1ec3324f00e78a057206a475ab7920146bd918e5 Mon Sep 17 00:00:00 2001
From: Stefano Sabatini <stefasab@gmail.com>
Date: Thu, 24 Jan 2013 16:37:49 +0100
Subject: [PATCH] lavf/img2enc: extend current options documentation
---
doc/muxers.texi | 9 +++++++--
libavformat/img2enc.c | 4 ++--
2 files changed, 9 insertions(+), 4 deletions(-)
diff --git a/doc/muxers.texi b/doc/muxers.texi
index b89da94f90a..965a4bb1241 100644
--- a/doc/muxers.texi
+++ b/doc/muxers.texi
@@ -241,8 +241,13 @@ ffmpeg -i in.avi -f image2 -frames:v 1 img.jpeg
@end example
@table @option
-@item -start_number @var{number}
-Start the sequence from @var{number}.
+@item start_number @var{number}
+Start the sequence from @var{number}. Default value is 1. Must be a
+positive number.
+
+@item updatefirst 1|0
+If set to 1, update the first written image file again and
+again. Default value is 0.
@end table
The image muxer supports the .Y.U.V image file format. This format is
diff --git a/libavformat/img2enc.c b/libavformat/img2enc.c
index 0e362f81d4a..67b5819dc93 100644
--- a/libavformat/img2enc.c
+++ b/libavformat/img2enc.c
@@ -128,8 +128,8 @@ static int write_packet(AVFormatContext *s, AVPacket *pkt)
#define OFFSET(x) offsetof(VideoMuxData, x)
#define ENC AV_OPT_FLAG_ENCODING_PARAM
static const AVOption muxoptions[] = {
- { "updatefirst", "", OFFSET(updatefirst), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, ENC },
- { "start_number", "first number in the sequence", OFFSET(img_number), AV_OPT_TYPE_INT, { .i64 = 1 }, 1, INT_MAX, ENC },
+ { "updatefirst", "update the first image file", OFFSET(updatefirst), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, ENC },
+ { "start_number", "set first number in the sequence", OFFSET(img_number), AV_OPT_TYPE_INT, { .i64 = 1 }, 1, INT_MAX, ENC },
{ NULL },
};
--
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