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-rw-r--r--libavfilter/avfilter.c4
-rw-r--r--libavfilter/avfilter.h1
2 files changed, 4 insertions, 1 deletions
diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c
index 06d92b2..2dffcca 100644
--- a/libavfilter/avfilter.c
+++ b/libavfilter/avfilter.c
@@ -993,7 +993,9 @@ static int ff_filter_frame_framed(AVFilterLink *link, AVFrame *frame)
dstctx->var_values[VAR_N] = link->frame_count;
dstctx->var_values[VAR_T] = pts == AV_NOPTS_VALUE ? NAN : pts * av_q2d(link->time_base);
dstctx->var_values[VAR_POS] = pos == -1 ? NAN : pos;
- if (!av_expr_eval(dstctx->enable, dstctx->var_values, NULL))
+
+ dstctx->is_disabled = !av_expr_eval(dstctx->enable, dstctx->var_values, NULL);
+ if (dstctx->is_disabled)
filter_frame = dst->passthrough_filter_frame ? dst->passthrough_filter_frame
: default_filter_frame;
}
diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h
index e7e979e..9314335 100644
--- a/libavfilter/avfilter.h
+++ b/libavfilter/avfilter.h
@@ -570,6 +570,7 @@ struct AVFilterContext {
char *enable_str; ///< enable expression string
void *enable; ///< parsed expression (AVExpr*)
double *var_values; ///< variable values for the enable expression
+ int is_disabled; ///< the enabled state from the last expression evaluation
};
/**
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