#include "avcodec.h"
#include "opt.h"
-static double av_parse_num(const char *name, char **tail){
+/**
+ * strtod() function extended with 'k', 'M' and 'B' postfixes.
+ * This allows using kB, MB, k, M and B as a postfix. This function
+ * assumes that the unit of numbers is bits not bytes.
+ */
+static double av_strtod(const char *name, char **tail) {
double d;
d= strtod(name, tail);
+ if(*tail>name && (**tail=='k')) {
+ d*=1000;
+ (*tail)++;
+ }
+ else if(*tail && (**tail=='M')) {
+ d*=1000000;
+ (*tail)++;
+ }
+ else if(*tail && (**tail=='G')) {
+ d*=1000000000;
+ (*tail)++;
+ }
+ if(*tail && (**tail=='B')) {
+ d*=8;
+ (*tail)++;
+ }
+ return d;
+}
+
+static double av_parse_num(const char *name, char **tail){
+ double d;
+ d= av_strtod(name, tail);
if(*tail>name && (**tail=='/' || **tail==':'))
- d/=strtod((*tail)+1, tail);
+ d/=av_strtod((*tail)+1, tail);
return d;
}