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authorStefano Sabatini <stefano.sabatini-lala@poste.it>2010-06-09 21:28:53 +0000
committerStefano Sabatini <stefano.sabatini-lala@poste.it>2010-06-09 21:28:53 +0000
commit25e25617f6fbd9a8f4028fe796199dafae51ae6b (patch)
tree058c8ea29a9b4319f484619181cce76c2d5c51b6
parentdb16e3ca6562121c5c9d87a66b2c646e3ad2cf81 (diff)
Make all the numeric options accept in input an expression which is
evaluated through av_strtod(). Fix roundup issue #551. Originally committed as revision 23556 to svn://svn.ffmpeg.org/ffmpeg/trunk
-rw-r--r--cmdutils.c3
-rw-r--r--doc/fftools-common-opts.texi8
2 files changed, 10 insertions, 1 deletions
diff --git a/cmdutils.c b/cmdutils.c
index 2349b7052e..fcdebb2005 100644
--- a/cmdutils.c
+++ b/cmdutils.c
@@ -36,6 +36,7 @@
#include "libpostproc/postprocess.h"
#include "libavutil/avstring.h"
#include "libavutil/pixdesc.h"
+#include "libavutil/eval.h"
#include "libavcodec/opt.h"
#include "cmdutils.h"
#include "version.h"
@@ -58,7 +59,7 @@ double parse_number_or_die(const char *context, const char *numstr, int type, do
{
char *tail;
const char *error;
- double d = strtod(numstr, &tail);
+ double d = av_strtod(numstr, &tail);
if (*tail)
error= "Expected number for %s but found: %s\n";
else if (d < min || d > max)
diff --git a/doc/fftools-common-opts.texi b/doc/fftools-common-opts.texi
index 4fc271d3e0..b011e73bd3 100644
--- a/doc/fftools-common-opts.texi
+++ b/doc/fftools-common-opts.texi
@@ -1,3 +1,11 @@
+All the numerical options, if not specified otherwise, accept in input
+a string representing a number, which may contain one of the
+International System number postfixes, for example 'K', 'M', 'G'.
+If 'i' is appended after the postfix, powers of 2 are used instead of
+powers of 10. The 'B' postfix multiplies the value for 8, and can be
+appended after another postfix or used alone. This allows using for
+example 'KB', 'MiB', 'G' and 'B' as postfix.
+
@section Generic options
These options are shared amongst the ff* tools.