diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2008-05-24 16:58:20 +0400 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2008-05-24 16:58:20 +0400 |
| commit | 9d2e6e84ceb10932713f8c1bdc11a0fa01de0fc1 (patch) | |
| tree | e81bd9008a4acf22a4385329ec07ce7d0c5d0f1c /libavcodec/opt.c | |
| parent | ebea1d7668c7468da3b243b2e6f695fdbbae0a48 (diff) | |
Anoter try to make +- behave sanely.
Originally committed as revision 13281 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/opt.c')
| -rw-r--r-- | libavcodec/opt.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libavcodec/opt.c b/libavcodec/opt.c index 70f2f3d91f..1b429ab160 100644 --- a/libavcodec/opt.c +++ b/libavcodec/opt.c @@ -146,6 +146,7 @@ const AVOption *av_set_string(void *obj, const char *name, const char *val){ return o; } if(o->type != FF_OPT_TYPE_STRING){ + int notfirst=0; for(;;){ int i; char buf[256]; @@ -180,8 +181,8 @@ const AVOption *av_set_string(void *obj, const char *name, const char *val){ if (cmd=='+') d= av_get_int(obj, name, NULL) | (int64_t)d; else if(cmd=='-') d= av_get_int(obj, name, NULL) &~(int64_t)d; }else{ - if (cmd=='+') d= av_get_double(obj, name, NULL) + d; - else if(cmd=='-') d= av_get_double(obj, name, NULL) - d; + if (cmd=='+') d= notfirst*av_get_double(obj, name, NULL) + d; + else if(cmd=='-') d= notfirst*av_get_double(obj, name, NULL) - d; } if (!av_set_number(obj, name, d, 1, 1)) @@ -189,6 +190,7 @@ const AVOption *av_set_string(void *obj, const char *name, const char *val){ val+= i; if(!*val) return o; + notfirst=1; } return NULL; } |