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avfiltergraph: simplify inserting conversion filters. 

There is now no need to explicitly pass 0:0 as width/height to scale,
those are the defaults.
This commit is contained in:
Anton Khirnov 2013-05-14 08:16:37 +02:00
parent ede75ebc9b
commit 096696ef0d
1 changed files with 2 additions and 6 deletions
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8
libavfilter/avfiltergraph.c
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@ -273,13 +273,9 @@ static int query_formats(AVFilterGraph *graph, AVClass *log_ctx)
snprintf(inst_name, sizeof(inst_name), "auto-inserted scaler %d",
scaler_count++);
av_strlcpy(scale_args, "0:0", sizeof(scale_args));
if (graph->scale_sws_opts) {
av_strlcat(scale_args, ":", sizeof(scale_args));
av_strlcat(scale_args, graph->scale_sws_opts, sizeof(scale_args));
}
if ((ret = avfilter_graph_create_filter(&convert, filter,
inst_name, scale_args, NULL,
inst_name, graph->scale_sws_opts, NULL,
graph)) < 0)
return ret;
break;