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videofilter: Really add a buffer pool if none was provided

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And also use the allocation parameters from the query if any
and if there are none set our own (16-byte alignment) on the
query.
This commit is contained in:
Sebastian Dröge 2012-08-08 12:19:31 +02:00
parent 8707546345
commit 8b916da6d7
1 changed files with 12 additions and 3 deletions
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15
gst-libs/gst/video/gstvideofilter.c
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@ -79,15 +79,24 @@ gst_video_filter_propose_allocation (GstBaseTransform * trans,
size = GST_VIDEO_INFO_SIZE (&info);
if (gst_query_get_n_allocation_pools (query) < 0) {
if (gst_query_get_n_allocation_pools (query) == 0) {
GstStructure *structure;
static GstAllocationParams params = { 0, 0, 0, 15, };
GstAllocator *allocator = NULL;
GstAllocationParams params = { 0, 0, 0, 15, };
if (gst_query_get_n_allocation_params (query) > 0)
gst_query_parse_nth_allocation_param (query, 0, &allocator, &params);
else
gst_query_add_allocation_param (query, allocator, &params);
pool = gst_video_buffer_pool_new ();
structure = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_set_params (structure, caps, size, 0, 0);
gst_buffer_pool_config_set_allocator (structure, NULL, &params);
gst_buffer_pool_config_set_allocator (structure, allocator, &params);
if (allocator)
gst_object_unref (allocator);
if (!gst_buffer_pool_set_config (pool, structure))
goto config_failed;