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plugin: Ensure allocation using the same importer

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Instead of locking mutex twice and praying that importer will not change in between, just ref it to ensure that
This commit is contained in:
Rafał Dzięgiel
2023-02-12 13:16:18 +01:00
parent bd8f0280e2
commit 9556ec4da2
1 changed files with 15 additions and 12 deletions
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27
lib/gst/plugin/gstclappersink.c
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@@ -426,16 +426,12 @@ static gboolean
gst_clapper_sink_propose_allocation (GstBaseSink *bsink, GstQuery *query)
{
GstClapperSink *self = GST_CLAPPER_SINK_CAST (bsink);
GstClapperImporter *importer = NULL;
GstCaps *caps;
GstVideoInfo info;
guint size, min_buffers;
gboolean need_pool;
if (!self->importer) {
GST_DEBUG_OBJECT (self, "No importer to propose allocation");
return FALSE;
}
gst_query_parse_allocation (query, &caps, &need_pool);
if (!caps) {
@@ -448,6 +444,16 @@ gst_clapper_sink_propose_allocation (GstBaseSink *bsink, GstQuery *query)
return FALSE;
}
GST_CLAPPER_SINK_LOCK (self);
if (self->importer)
importer = gst_object_ref (self->importer);
GST_CLAPPER_SINK_UNLOCK (self);
if (!importer) {
GST_DEBUG_OBJECT (self, "No importer to propose allocation");
return FALSE;
}
/* Normal size of a frame */
size = GST_VIDEO_INFO_SIZE (&info);
@@ -459,10 +465,7 @@ gst_clapper_sink_propose_allocation (GstBaseSink *bsink, GstQuery *query)
GstStructure *config = NULL;
GST_DEBUG_OBJECT (self, "Need to create buffer pool");
GST_CLAPPER_SINK_LOCK (self);
pool = gst_clapper_importer_create_pool (self->importer, &config);
GST_CLAPPER_SINK_UNLOCK (self);
pool = gst_clapper_importer_create_pool (importer, &config);
if (pool) {
/* If we did not get config, use default one */
@@ -473,6 +476,7 @@ gst_clapper_sink_propose_allocation (GstBaseSink *bsink, GstQuery *query)
if (!gst_buffer_pool_set_config (pool, config)) {
gst_object_unref (pool);
gst_object_unref (importer);
GST_ERROR_OBJECT (self, "Failed to set config");
return FALSE;
@@ -486,9 +490,8 @@ gst_clapper_sink_propose_allocation (GstBaseSink *bsink, GstQuery *query)
}
}
GST_CLAPPER_SINK_LOCK (self);
gst_clapper_importer_add_allocation_metas (self->importer, query);
GST_CLAPPER_SINK_UNLOCK (self);
gst_clapper_importer_add_allocation_metas (importer, query);
gst_object_unref (importer);
return TRUE;
}