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pad: invalidate caches on flush and pad block

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This commit is contained in:
Wim Taymans 2010-10-13 02:42:23 +02:00
parent 8abc14052a
commit 5e37ade932
1 changed files with 17 additions and 0 deletions
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17
gst/gstpad.c
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@ -635,6 +635,7 @@ pre_activate (GstPad * pad, GstActivateMode new_mode)
case GST_ACTIVATE_NONE:
GST_OBJECT_LOCK (pad);
GST_DEBUG_OBJECT (pad, "setting ACTIVATE_MODE NONE, set flushing");
pad_invalidate_cache (pad);
GST_PAD_SET_FLUSHING (pad);
GST_PAD_ACTIVATE_MODE (pad) = new_mode;
/* unlock blocked pads so element can resume and stop */
@ -875,6 +876,7 @@ failure:
GST_OBJECT_LOCK (pad);
GST_CAT_INFO_OBJECT (GST_CAT_PADS, pad, "failed to %s in pull mode",
active ? "activate" : "deactivate");
pad_invalidate_cache (pad);
GST_PAD_SET_FLUSHING (pad);
GST_PAD_ACTIVATE_MODE (pad) = old;
GST_OBJECT_UNLOCK (pad);
@ -980,6 +982,7 @@ failure:
GST_OBJECT_LOCK (pad);
GST_CAT_INFO_OBJECT (GST_CAT_PADS, pad, "failed to %s in push mode",
active ? "activate" : "deactivate");
pad_invalidate_cache (pad);
GST_PAD_SET_FLUSHING (pad);
GST_PAD_ACTIVATE_MODE (pad) = old;
GST_OBJECT_UNLOCK (pad);
@ -1057,6 +1060,7 @@ gst_pad_set_blocked_async_full (GstPad * pad, gboolean blocked,
if (blocked) {
GST_CAT_LOG_OBJECT (GST_CAT_SCHEDULING, pad, "blocking pad");
pad_invalidate_cache (pad);
GST_OBJECT_FLAG_SET (pad, GST_PAD_BLOCKED);
if (pad->block_destroy_data && pad->block_data)
@ -4557,12 +4561,22 @@ pad_put_cache (GstPad * pad, GstPadPushCache * cache, gpointer * cache_ptr)
}
}
/* must be called with the pad lock */
static void
pad_invalidate_cache (GstPad * pad)
{
GstPadPushCache *cache;
gpointer *cache_ptr;
GST_LOG_OBJECT (pad, "Invalidating pad cache");
/* we hold the pad lock here so we can get the peer and it stays
* alive during this call */
if (GST_PAD_IS_SINK (pad)) {
if (!(pad = GST_PAD_PEER (pad)))
return;
}
cache_ptr = (gpointer *) & pad->abidata.ABI.priv->cache_ptr;
/* try to get the cached data */
@ -5069,6 +5083,7 @@ gst_pad_push_event (GstPad * pad, GstEvent * event)
* . handle pad blocking */
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_START:
pad_invalidate_cache (pad);
GST_PAD_SET_FLUSHING (pad);
if (G_UNLIKELY (GST_PAD_IS_BLOCKED (pad))) {
@ -5228,6 +5243,8 @@ gst_pad_send_event (GstPad * pad, GstEvent * event)
/* can't even accept a flush begin event when flushing */
if (GST_PAD_IS_FLUSHING (pad))
goto flushing;
pad_invalidate_cache (pad);
GST_PAD_SET_FLUSHING (pad);
GST_CAT_DEBUG_OBJECT (GST_CAT_EVENT, pad, "set flush flag");
break;