avfilter/vf_qp: Fix use of uinitialized variable
Found-by: <Timothy_Gu> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -123,7 +123,6 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
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double var_values[] = { !!in_qp_table, qp, x, y, s->qstride, s->h, 0};
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static const char *var_names[] = { "known", "qp", "x", "y", "w", "h", NULL };
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double temp_val;
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int ret;
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ret = av_expr_parse_and_eval(&temp_val, s->qp_expr_str,
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var_names, var_values,
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