lavfi/avfiltergraph: avoid to print "(null)" in the scale args

Fix parsing.

Stefano Sabatini committed 14 years ago

Commit 8f37a1e1 parent 2969abd1 file · +5 −1Browse files

Showing the changes to libavfilter/avfiltergraph.c (1 of 1 file). Show all

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@@ -358,7 +358,11 @@ static int query_formats(AVFilterGraph graph, AVClass log_ctx) · 357 unmodified lines
358	358
359	359	snprintf(inst_name, sizeof(inst_name), "auto-inserted scaler %d",
360	360	scaler_count++);
361		− snprintf(scale_args, sizeof(scale_args), "0:0:%s", graph->scale_sws_opts);
	361	+ if (graph->scale_sws_opts)
	362	+ snprintf(scale_args, sizeof(scale_args), "0:0:%s", graph->scale_sws_opts);
	363	+ else
	364	+ snprintf(scale_args, sizeof(scale_args), "0:0");
	365	+
362	366	if ((ret = avfilter_graph_create_filter(&convert, filter,
363	367	inst_name, scale_args, NULL,
364	368	graph)) < 0)

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