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avfilter: support alternative keys in the alternative shorthand system

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-04-10 15:47:18 +02:00
parent 43bac121d3
commit 90efdf98b1
1 changed files with 3 additions and 1 deletions
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4
libavfilter/avfilter.c
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@ -623,6 +623,7 @@ static int process_unnamed_options(AVFilterContext *ctx, AVDictionary **options,
const AVOption *o = NULL;
const char *p = args;
char *val;
int offset= -1;
while (*p) {
o = av_opt_next(ctx->priv, o);
@ -631,8 +632,9 @@ static int process_unnamed_options(AVFilterContext *ctx, AVDictionary **options,
"this filter supports.\n");
return AVERROR(EINVAL);
}
if (o->type == AV_OPT_TYPE_CONST)
if (o->type == AV_OPT_TYPE_CONST || o->offset == offset)
continue;
offset = o->offset;
val = av_get_token(&p, ":");
if (!val)