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basesrc: fix deadlock

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Only go into LIVE_WAIT when the are not live_running and only stop waiting when
live_running is TRUE. If we don't loop, we could deadlock when called from
outside of basesrc, such as baseaudiosrc.

Fixes #635785
This commit is contained in:
Wim Taymans 2010-12-29 11:48:18 +01:00
parent 17bb26b529
commit e444ffecf7
1 changed files with 9 additions and 8 deletions
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17
libs/gst/base/gstbasesrc.c
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@ -490,13 +490,14 @@ gst_base_src_wait_playing (GstBaseSrc * src)
{ {
g_return_val_if_fail (GST_IS_BASE_SRC (src), GST_FLOW_ERROR); g_return_val_if_fail (GST_IS_BASE_SRC (src), GST_FLOW_ERROR);
/* block until the state changes, or we get a flush, or something */ while (G_UNLIKELY (!src->live_running)) {
GST_DEBUG_OBJECT (src, "live source waiting for running state"); /* block until the state changes, or we get a flush, or something */
GST_LIVE_WAIT (src); GST_DEBUG_OBJECT (src, "live source waiting for running state");
if (src->priv->flushing) GST_LIVE_WAIT (src);
goto flushing; GST_DEBUG_OBJECT (src, "live source unlocked");
GST_DEBUG_OBJECT (src, "live source unlocked"); if (src->priv->flushing)
goto flushing;
}
return GST_FLOW_OK; return GST_FLOW_OK;
/* ERRORS */ /* ERRORS */
@ -2096,7 +2097,7 @@ gst_base_src_get_range (GstBaseSrc * src, guint64 offset, guint length,
again: again:
if (src->is_live) { if (src->is_live) {
while (G_UNLIKELY (!src->live_running)) { if (G_UNLIKELY (!src->live_running)) {
ret = gst_base_src_wait_playing (src); ret = gst_base_src_wait_playing (src);
if (ret != GST_FLOW_OK) if (ret != GST_FLOW_OK)
goto stopped; goto stopped;