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query: add some more checks

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Make sure that the alignment is valid.
When we have a 0 size (variable buffer size), we can't have a bufferpool.
This commit is contained in:
Wim Taymans 2011-06-11 20:45:42 +02:00
parent bb2d7241fa
commit a14623f925
1 changed files with 10 additions and 4 deletions
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14
gst/gstquery.c
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@ -1604,9 +1604,11 @@ gst_query_parse_allocation (GstQuery * query, GstCaps ** caps,
/**
* gst_query_set_allocation_params
* @query: A valid #GstQuery of type GST_QUERY_ALLOCATION.
* @alignment: the alignment
* @prefix: the prefix
* @size: the size
* @min_buffers: the min buffers
* @max_buffers: the max buffers
* @prefix: the prefix
* @alignment: the alignment
* @pool: the #GstBufferPool
*
* Set the allocation parameters in @query.
@ -1620,6 +1622,8 @@ gst_query_set_allocation_params (GstQuery * query, guint size,
g_return_if_fail (GST_QUERY_TYPE (query) == GST_QUERY_ALLOCATION);
g_return_if_fail (gst_query_is_writable (query));
g_return_if_fail (((alignment + 1) & alignment) == 0);
g_return_if_fail (size != 0 || pool == NULL);
structure = GST_QUERY_STRUCTURE (query);
gst_structure_id_set (structure,
@ -1634,9 +1638,11 @@ gst_query_set_allocation_params (GstQuery * query, guint size,
/**
* gst_query_parse_allocation_params
* @query: A valid #GstQuery of type GST_QUERY_ALLOCATION.
* @alignment: the alignment
* @prefix: the prefix
* @size: the size
* @min_buffers: the min buffers
* @max_buffers: the max buffers
* @prefix: the prefix
* @alignment: the alignment
* @pool: the #GstBufferPool
*
* Get the allocation parameters in @query.