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tests: meta: add test for gst_buffer_iterate_meta*()

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https://bugzilla.gnome.org/show_bug.cgi?id=775727
This commit is contained in:
Tim-Philipp Müller 2016-12-14 18:19:00 +00:00
parent ca4ac71555
commit 3d283665cc
1 changed files with 171 additions and 0 deletions
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171
tests/check/gst/gstmeta.c
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@ -46,6 +46,20 @@ static const GstMetaInfo *gst_meta_test_get_info (void);
#define GST_META_TEST_GET(buf) ((GstMetaTest *)gst_buffer_get_meta(buf,GST_META_TEST_API_TYPE))
#define GST_META_TEST_ADD(buf) ((GstMetaTest *)gst_buffer_add_meta(buf,GST_META_TEST_INFO,NULL))
typedef struct
{
GstMeta meta;
} GstMetaFoo;
static GType gst_meta_foo_api_get_type (void);
#define GST_META_FOO_API_TYPE (gst_meta_foo_api_get_type())
static const GstMetaInfo *gst_meta_foo_get_info (void);
#define GST_META_FOO_INFO (gst_meta_foo_get_info())
#define GST_META_FOO_GET(buf) ((GstMetaFoo *)gst_buffer_get_meta(buf,GST_META_FOO_API_TYPE))
#define GST_META_FOO_ADD(buf) ((GstMetaFoo *)gst_buffer_add_meta(buf,GST_META_FOO_INFO,NULL))
#if 0
/* unused currently. This is a user function to fill the metadata with default
* values. We don't call this from the init function because the user is mostly
@ -131,6 +145,20 @@ gst_meta_test_api_get_type (void)
return type;
}
static gboolean
foo_init_func (GstMeta * meta, gpointer params, GstBuffer * buffer)
{
GST_DEBUG ("init called on buffer %p, foo meta %p", buffer, meta);
return TRUE;
}
static void
foo_free_func (GstMeta * meta, GstBuffer * buffer)
{
GST_DEBUG ("free called on buffer %p, foo meta %p", buffer, meta);
}
static const GstMetaInfo *
gst_meta_test_get_info (void)
{
@ -146,6 +174,50 @@ gst_meta_test_get_info (void)
return meta_test_info;
}
static gboolean
foo_transform_func (GstBuffer * transbuf, GstMeta * meta,
GstBuffer * buffer, GQuark type, gpointer data)
{
GST_DEBUG ("transform %s called from buffer %p to %p, meta %p",
g_quark_to_string (type), buffer, transbuf, meta);
if (GST_META_TRANSFORM_IS_COPY (type)) {
GST_META_FOO_ADD (transbuf);
} else {
/* return FALSE, if transform type is not supported */
return FALSE;
}
return TRUE;
}
static GType
gst_meta_foo_api_get_type (void)
{
static volatile GType type;
static const gchar *tags[] = { NULL };
if (g_once_init_enter (&type)) {
GType _type = gst_meta_api_type_register ("GstMetaFooAPI", tags);
g_once_init_leave (&type, _type);
}
return type;
}
static const GstMetaInfo *
gst_meta_foo_get_info (void)
{
static const GstMetaInfo *meta_foo_info = NULL;
if (g_once_init_enter (&meta_foo_info)) {
const GstMetaInfo *mi = gst_meta_register (GST_META_FOO_API_TYPE,
"GstMetaFoo",
sizeof (GstMetaFoo),
foo_init_func, foo_free_func, foo_transform_func);
g_once_init_leave (&meta_foo_info, mi);
}
return meta_foo_info;
}
GST_START_TEST (test_meta_test)
{
GstBuffer *buffer, *copy, *subbuf;
@ -242,6 +314,104 @@ GST_START_TEST (test_meta_locked)
GST_END_TEST;
GST_START_TEST (test_meta_iterate)
{
GstBuffer *buffer;
GstMeta *m1, *m2, *m3, *m_found;
GList *metas;
gpointer state;
/* buffer with single meta */
buffer = gst_buffer_new_and_alloc (4);
m1 = (GstMeta *) GST_META_TEST_ADD (buffer);
fail_unless (m1 != NULL);
state = NULL;
fail_unless (gst_buffer_iterate_meta (buffer, &state) != NULL);
fail_unless (gst_buffer_iterate_meta (buffer, &state) == NULL);
state = NULL;
fail_unless (gst_buffer_iterate_meta_filtered (buffer, &state,
GST_META_TEST_API_TYPE) != NULL);
fail_unless (gst_buffer_iterate_meta_filtered (buffer, &state,
GST_META_TEST_API_TYPE) == NULL);
state = NULL;
fail_unless (gst_buffer_iterate_meta_filtered (buffer, &state,
GST_META_FOO_API_TYPE) == NULL);
state = NULL;
fail_unless (gst_buffer_iterate_meta_filtered (buffer, &state,
GST_META_TEST_API_TYPE) != NULL);
fail_unless (gst_buffer_iterate_meta_filtered (buffer, &state,
GST_META_TEST_API_TYPE) == NULL);
/* buffer with multiple metas */
m2 = (GstMeta *) GST_META_FOO_ADD (buffer);
fail_unless (m2 != NULL);
m3 = (GstMeta *) GST_META_TEST_ADD (buffer);
fail_unless (m3 != NULL);
/* create a list with metas, we don't know what order buffer_iterate has */
metas = g_list_prepend (g_list_prepend (g_list_prepend (NULL, m1), m2), m3);
state = NULL;
m_found = gst_buffer_iterate_meta (buffer, &state);
fail_unless (m_found != NULL);
metas = g_list_remove (metas, m_found);
m_found = gst_buffer_iterate_meta (buffer, &state);
fail_unless (m_found != NULL);
metas = g_list_remove (metas, m_found);
m_found = gst_buffer_iterate_meta (buffer, &state);
fail_unless (m_found != NULL);
metas = g_list_remove (metas, m_found);
/* should only have 3 metas, so the 4th time we should get NULL back */
fail_unless (gst_buffer_iterate_meta (buffer, &state) == NULL);
/* list should be empty now, we should have seen each meta once */
fail_unless (metas == NULL);
/* same test as above with iterate_filtered */
/* create a list with metas, we don't know what order buffer_iterate has */
metas = g_list_prepend (g_list_prepend (g_list_prepend (NULL, m1), m2), m3);
state = NULL;
m_found =
gst_buffer_iterate_meta_filtered (buffer, &state, GST_META_TEST_API_TYPE);
fail_unless (m_found != NULL);
metas = g_list_remove (metas, m_found);
m_found =
gst_buffer_iterate_meta_filtered (buffer, &state, GST_META_TEST_API_TYPE);
fail_unless (m_found != NULL);
metas = g_list_remove (metas, m_found);
/* should only have 2 Test metas, so now we should get NULL back */
fail_unless (gst_buffer_iterate_meta_filtered (buffer, &state,
GST_META_TEST_API_TYPE) == NULL);
/* but there should also still be a Foo meta */
fail_unless_equals_int (g_list_length (metas), 1);
fail_unless (metas->data == m2);
metas = g_list_remove (metas, m2);
state = NULL;
m_found =
gst_buffer_iterate_meta_filtered (buffer, &state, GST_META_FOO_API_TYPE);
fail_unless (m_found == m2);
/* only have 1 Foo meta, so now we should get NULL back */
fail_unless (gst_buffer_iterate_meta_filtered (buffer, &state,
GST_META_FOO_API_TYPE) == NULL);
gst_buffer_unref (buffer);
}
GST_END_TEST;
static Suite *
gst_buffermeta_suite (void)
{
@ -251,6 +421,7 @@ gst_buffermeta_suite (void)
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_meta_test);
tcase_add_test (tc_chain, test_meta_locked);
tcase_add_test (tc_chain, test_meta_iterate);
return s;
}