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v4l2transform: don't segfault if flushed without pools

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The v4l2output and v4l2capture v4l2objects can have pool == NULL if they
have been stopped before.
This commit is contained in:
Philipp Zabel 2019-03-01 14:58:24 +01:00 committed by Nicolas Dufresne
parent 39d32b2394
commit cdf15e9032
1 changed files with 4 additions and 2 deletions
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6
sys/v4l2/gstv4l2transform.c
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@ -991,8 +991,10 @@ gst_v4l2_transform_sink_event (GstBaseTransform * trans, GstEvent * event)
GST_DEBUG_OBJECT (self, "flush stop"); GST_DEBUG_OBJECT (self, "flush stop");
gst_v4l2_object_unlock_stop (self->v4l2capture); gst_v4l2_object_unlock_stop (self->v4l2capture);
gst_v4l2_object_unlock_stop (self->v4l2output); gst_v4l2_object_unlock_stop (self->v4l2output);
gst_v4l2_buffer_pool_flush (self->v4l2output->pool); if (self->v4l2output->pool)
gst_v4l2_buffer_pool_flush (self->v4l2capture->pool); gst_v4l2_buffer_pool_flush (self->v4l2output->pool);
if (self->v4l2capture->pool)
gst_v4l2_buffer_pool_flush (self->v4l2capture->pool);
break; break;
default: default:
break; break;