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@@ -124,6 +124,7 @@ int avfilter_link(AVFilterContext *src, unsigned srcpad,
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int avfilter_insert_filter(AVFilterLink *link, AVFilterContext *filt,
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unsigned in, unsigned out)
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{
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+ int ret;
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unsigned dstpad_idx = link->dstpad - link->dst->input_pads;
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av_log(link->dst, AV_LOG_INFO, "auto-inserting filter '%s' "
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@@ -131,10 +132,10 @@ int avfilter_insert_filter(AVFilterLink *link, AVFilterContext *filt,
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filt->name, link->src->name, link->dst->name);
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link->dst->inputs[dstpad_idx] = NULL;
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- if (avfilter_link(filt, out, link->dst, dstpad_idx)) {
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+ if ((ret = avfilter_link(filt, out, link->dst, dstpad_idx)) < 0) {
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/* failed to link output filter to new filter */
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link->dst->inputs[dstpad_idx] = link;
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- return -1;
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+ return ret;
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}
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/* re-hookup the link to the new destination filter we inserted */
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