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Linshizhi
ffmpeg.wasm-core
Commits
1ec3324f
Commit
1ec3324f
authored
Jan 24, 2013
by
Stefano Sabatini
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lavf/img2enc: extend current options documentation
parent
069d1564
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2 changed files
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9 additions
and
4 deletions
+9
-4
muxers.texi
doc/muxers.texi
+7
-2
img2enc.c
libavformat/img2enc.c
+2
-2
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doc/muxers.texi
View file @
1ec3324f
...
...
@@ -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
...
...
libavformat/img2enc.c
View file @
1ec3324f
...
...
@@ -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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