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avfilter/f_drawgraph: use av_sscanf()
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@ -20,6 +20,7 @@
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#include "float.h"
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#include "float.h"
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#include "libavutil/avstring.h"
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#include "libavutil/eval.h"
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#include "libavutil/eval.h"
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#include "libavutil/intreadwrite.h"
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#include "libavutil/intreadwrite.h"
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#include "libavutil/opt.h"
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#include "libavutil/opt.h"
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@ -215,7 +216,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
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if (!e || !e->value)
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if (!e || !e->value)
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continue;
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continue;
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if (sscanf(e->value, "%f", &vf) != 1)
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if (av_sscanf(e->value, "%f", &vf) != 1)
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continue;
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continue;
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vf = av_clipf(vf, s->min, s->max);
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vf = av_clipf(vf, s->min, s->max);
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