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bufferpool: Don't check size in config validation

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Pools are allowed to change the size in order to adapt padding. So
don't check the size. Normally pool will change the size without
failing set_config(), but it they endup changing the size before
the validate method may fail on a false positive.

https://bugzilla.gnome.org/show_bug.cgi?id=741420
This commit is contained in:
Nicolas Dufresne 2014-12-16 10:13:03 -05:00
parent 6f136b5399
commit a8d6653037
2 changed files with 7 additions and 5 deletions
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10
gst/gstbufferpool.c
View file

@ -1049,9 +1049,11 @@ gst_buffer_pool_config_get_allocator (GstStructure * config,
* Validate that changes made to @config are still valid in the context of the
* expected parameters. This function is a helper that can be used to validate
* changes made by a pool to a config when gst_buffer_pool_set_config()
* returns %FALSE. This expects that @caps and @size haven't changed, and that
* @min_buffers aren't lower then what we initially expected. This does not check
* if options or allocator parameters.
* returns %FALSE. This expects that @caps haven't changed and that
* @min_buffers aren't lower then what we initially expected.
* This does not check if options or allocator parameters are still valid,
* won't check if size have changed, since changing the size is valid to adapt
* padding.
*
* Since: 1.4
*
@ -1069,7 +1071,7 @@ gst_buffer_pool_config_validate_params (GstStructure * config, GstCaps * caps,
gst_buffer_pool_config_get_params (config, &newcaps, &newsize, &newmin, NULL);
if (gst_caps_is_equal (caps, newcaps) && (size == newsize)
if (gst_caps_is_equal (caps, newcaps) && (newsize >= size)
&& (newmin >= min_buffers))
ret = TRUE;

2
tests/check/gst/gstbufferpool.c
View file

@ -228,8 +228,8 @@ GST_START_TEST (test_pool_config_validate)
fail_unless (gst_buffer_pool_config_validate_params (config, caps, 5, 4, 0));
fail_unless (gst_buffer_pool_config_validate_params (config, caps, 5, 2, 0));
fail_unless (gst_buffer_pool_config_validate_params (config, caps, 4, 4, 0));
fail_if (gst_buffer_pool_config_validate_params (config, caps, 5, 6, 0));
fail_if (gst_buffer_pool_config_validate_params (config, caps, 4, 4, 0));
gst_caps_unref (caps);
caps = gst_caps_new_empty_simple ("test/data2");