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gl/bufferpool: add api for retrieving the configure gl allocation params

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/1071>
This commit is contained in:
Matthew Waters 2021-03-17 13:54:17 +11:00
parent 2f35aeca8c
commit 94f0d9c69b
2 changed files with 28 additions and 0 deletions
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25
gst-libs/gst/gl/gstglbufferpool.c
View file

@ -379,6 +379,31 @@ gst_gl_buffer_pool_finalize (GObject * object)
priv->gl_params = NULL;
}
/**
* gst_gl_buffer_pool_get_gl_allocation_params:
* @pool: the #GstGLBufferPool
*
* The returned #GstGLAllocationParams will by %NULL before the first successful
* call to gst_buffer_pool_set_config(). Subsequent successful calls to
* gst_buffer_pool_set_config() will cause this function to return a new
* #GstGLAllocationParams which may or may not contain the same information.
*
* Returns: (transfer full): a copy of the #GstGLAllocationParams being used by the @pool
*
* Since: 1.20
*/
GstGLAllocationParams *
gst_gl_buffer_pool_get_gl_allocation_params (GstGLBufferPool * pool)
{
g_return_val_if_fail (GST_IS_GL_BUFFER_POOL (pool), NULL);
if (pool->priv->gl_params)
return gst_gl_allocation_params_copy ((GstGLAllocationParams *) pool->
priv->gl_params);
else
return NULL;
}
/**
* gst_buffer_pool_config_get_gl_allocation_params:
* @config: a buffer pool config

3
gst-libs/gst/gl/gstglbufferpool.h
View file

@ -69,6 +69,9 @@ struct _GstGLBufferPoolClass
GST_GL_API
GstBufferPool *gst_gl_buffer_pool_new (GstGLContext * context);
GST_GL_API
GstGLAllocationParams * gst_gl_buffer_pool_get_gl_allocation_params (GstGLBufferPool * pool);
GST_GL_API
GstGLAllocationParams * gst_buffer_pool_config_get_gl_allocation_params (GstStructure * config);
GST_GL_API