avformat/dashdec: Add a re-entrance check point after an interrupt operation

b205635f · Colin NG · Steven Liu · 3cff2311 · b205635f
Commit b205635f authored Aug 29, 2018 by Colin NG Committed by Steven Liu Aug 29, 2018
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dashdec.c libavformat/dashdec.c +6 -0

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--- a/libavformat/dashdec.c
+++ b/libavformat/dashdec.c
@@ -1777,6 +1777,12 @@ static int reopen_demux_for_component(AVFormatContext *s, struct representation
    if (pls->ctx) {
        close_demux_for_component(pls);
    }
+    if (ff_check_interrupt(&s->interrupt_callback)) {
+        ret = AVERROR_EXIT;
+        goto fail;
+    }
    if (!(pls->ctx = avformat_alloc_context())) {
        ret = AVERROR(ENOMEM);
        goto fail;