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decodebin2: mind blocked pads when shutting down
Fix regression in shutdown deadlock handling now that the target of a ghostpad is blocked instead of ghostpad itself. See also #574293.
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3b842bc98b
commit
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1 changed files with 9 additions and 3 deletions
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@ -3164,14 +3164,20 @@ gst_decode_pad_set_blocked (GstDecodePad * dpad, gboolean blocked)
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if (!opad)
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goto out;
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gst_pad_set_blocked_async_full (opad, blocked,
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(GstPadBlockCallback) source_pad_blocked_cb, gst_object_ref (dpad),
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(GDestroyNotify) gst_object_unref);
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/* do not block if shutting down.
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* we do not consider/expect it blocked further below, but use other trick */
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if (!blocked || !dbin->shutdown)
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gst_pad_set_blocked_async_full (opad, blocked,
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(GstPadBlockCallback) source_pad_blocked_cb, gst_object_ref (dpad),
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(GDestroyNotify) gst_object_unref);
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if (blocked) {
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if (dbin->shutdown) {
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/* deactivate to force flushing state to prevent NOT_LINKED errors */
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gst_pad_set_active (GST_PAD_CAST (dpad), FALSE);
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/* note that deactivating the target pad would have no effect here,
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* since elements are typically connected first (and pads exposed),
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* and only then brought to PAUSED state (so pads activated) */
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} else {
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gst_object_ref (dpad);
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dbin->blocked_pads = g_list_prepend (dbin->blocked_pads, dpad);
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