gstreamer/tests/check/gst/gstmeta.c

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/* GStreamer
*
* unit test for GstMeta
*
* Copyright (C) <2009> Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <gst/check/gstcheck.h>
/* test metadata for PTS/DTS and duration */
typedef struct
{
GstMeta meta;
GstClockTime pts;
GstClockTime dts;
GstClockTime duration;
GstClockTime clock_rate;
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} GstMetaTest;
static GType gst_meta_test_api_get_type (void);
#define GST_META_TEST_API_TYPE (gst_meta_test_api_get_type())
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static const GstMetaInfo *gst_meta_test_get_info (void);
#define GST_META_TEST_INFO (gst_meta_test_get_info())
#define GST_META_TEST_GET(buf) ((GstMetaTest *)gst_buffer_get_meta(buf,GST_META_TEST_API_TYPE))
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#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
* likely going to override the values immediately after */
static void
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gst_meta_test_init (GstMetaTest * meta)
{
meta->pts = GST_CLOCK_TIME_NONE;
meta->dts = GST_CLOCK_TIME_NONE;
meta->duration = GST_CLOCK_TIME_NONE;
meta->clock_rate = GST_SECOND;
}
#endif
static gboolean
test_init_func (GstMeta * meta, gpointer params, GstBuffer * buffer)
{
GST_DEBUG ("init called on buffer %p, meta %p", buffer, meta);
/* nothing to init really, the init function is mostly for allocating
* additional memory or doing special setup as part of adding the metadata to
* the buffer*/
return TRUE;
}
static void
test_free_func (GstMeta * meta, GstBuffer * buffer)
{
GST_DEBUG ("free called on buffer %p, meta %p", buffer, meta);
/* nothing to free really */
}
static gboolean
test_transform_func (GstBuffer * transbuf, GstMeta * meta,
GstBuffer * buffer, GQuark type, gpointer data)
{
GstMetaTest *test, *tmeta = (GstMetaTest *) meta;
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)) {
GstMetaTransformCopy *copy_data = data;
test = GST_META_TEST_ADD (transbuf);
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if (copy_data->offset == 0) {
/* same offset, copy timestamps */
test->pts = tmeta->pts;
test->dts = tmeta->dts;
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if (!copy_data->region) {
fail_unless (gst_buffer_get_size (buffer) == copy_data->size);
/* same size, copy duration */
test->duration = tmeta->duration;
} else {
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fail_unless (gst_buffer_get_size (buffer) > copy_data->size);
/* else clear */
test->duration = GST_CLOCK_TIME_NONE;
}
} else {
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fail_unless (copy_data->region == TRUE);
test->pts = -1;
test->dts = -1;
test->duration = -1;
}
test->clock_rate = tmeta->clock_rate;
} else {
/* return FALSE, if transform type is not supported */
return FALSE;
}
return TRUE;
}
static GType
gst_meta_test_api_get_type (void)
{
static volatile GType type;
static const gchar *tags[] = { "timing", NULL };
if (g_once_init_enter (&type)) {
GType _type = gst_meta_api_type_register ("GstMetaTestAPI", tags);
g_once_init_leave (&type, _type);
}
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 *
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gst_meta_test_get_info (void)
{
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static const GstMetaInfo *meta_test_info = NULL;
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if (g_once_init_enter (&meta_test_info)) {
const GstMetaInfo *mi = gst_meta_register (GST_META_TEST_API_TYPE,
"GstMetaTest",
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sizeof (GstMetaTest),
test_init_func, test_free_func, test_transform_func);
g_once_init_leave (&meta_test_info, mi);
}
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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;
}
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GST_START_TEST (test_meta_test)
{
GstBuffer *buffer, *copy, *subbuf;
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GstMetaTest *meta;
GstMapInfo info;
buffer = gst_buffer_new_and_alloc (4);
fail_if (buffer == NULL);
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fail_unless (gst_buffer_map (buffer, &info, GST_MAP_WRITE));
fail_if (info.data == NULL);
memset (info.data, 0, 4);
gst_buffer_unmap (buffer, &info);
/* add some metadata */
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meta = GST_META_TEST_ADD (buffer);
fail_if (meta == NULL);
/* fill some values */
meta->pts = 1000;
meta->dts = 2000;
meta->duration = 1000;
meta->clock_rate = 1000;
/* copy of the buffer */
copy = gst_buffer_copy (buffer);
/* get metadata of the buffer */
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meta = GST_META_TEST_GET (copy);
fail_if (meta == NULL);
fail_if (meta->pts != 1000);
fail_if (meta->dts != 2000);
fail_if (meta->duration != 1000);
fail_if (meta->clock_rate != 1000);
gst_buffer_unref (copy);
/* make subbuffer */
subbuf = gst_buffer_copy_region (buffer, GST_BUFFER_COPY_ALL, 0, 1);
/* get metadata of the buffer */
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meta = GST_META_TEST_GET (subbuf);
fail_if (meta == NULL);
fail_if (meta->pts != 1000);
fail_if (meta->dts != 2000);
fail_if (meta->duration != -1);
fail_if (meta->clock_rate != 1000);
gst_buffer_unref (subbuf);
/* make another subbuffer */
subbuf = gst_buffer_copy_region (buffer, GST_BUFFER_COPY_ALL, 1, 3);
/* get metadata of the buffer */
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meta = GST_META_TEST_GET (subbuf);
fail_if (meta == NULL);
fail_if (meta->pts != -1);
fail_if (meta->dts != -1);
fail_if (meta->duration != -1);
fail_if (meta->clock_rate != 1000);
gst_buffer_unref (subbuf);
/* clean up */
gst_buffer_unref (buffer);
}
GST_END_TEST;
static gboolean
foreach_meta (GstBuffer * buffer, GstMeta ** meta, gpointer user_data)
{
/* try to remove */
*meta = NULL;
return TRUE;
}
GST_START_TEST (test_meta_locked)
{
GstBuffer *buffer;
GstMetaTest *meta;
buffer = gst_buffer_new_and_alloc (4);
fail_if (buffer == NULL);
/* add some metadata */
meta = GST_META_TEST_ADD (buffer);
fail_if (meta == NULL);
GST_META_FLAG_SET (meta, GST_META_FLAG_LOCKED);
ASSERT_CRITICAL (gst_buffer_remove_meta (buffer, (GstMeta *) meta));
ASSERT_CRITICAL (gst_buffer_foreach_meta (buffer, foreach_meta, NULL));
GST_META_FLAG_UNSET (meta, GST_META_FLAG_LOCKED);
gst_buffer_remove_meta (buffer, (GstMeta *) meta);
/* clean up */
gst_buffer_unref (buffer);
}
GST_END_TEST;
static gboolean
foreach_meta_remove_one (GstBuffer * buffer, GstMeta ** meta,
gpointer to_remove)
{
if (*meta == to_remove) {
*meta = NULL;
}
return TRUE;
}
static gint
count_buffer_meta (GstBuffer * buffer)
{
gint ret = 0;
gpointer state = NULL;
while (gst_buffer_iterate_meta (buffer, &state))
ret++;
return ret;
}
GST_START_TEST (test_meta_foreach_remove_one)
{
GstBuffer *buffer;
GstMetaTest *meta1, *meta2, *meta3;
buffer = gst_buffer_new_and_alloc (4);
fail_if (buffer == NULL);
/* add some metadata */
meta1 = GST_META_TEST_ADD (buffer);
fail_if (meta1 == NULL);
meta2 = GST_META_TEST_ADD (buffer);
fail_if (meta2 == NULL);
meta3 = GST_META_TEST_ADD (buffer);
fail_if (meta3 == NULL);
fail_unless_equals_int (count_buffer_meta (buffer), 3);
gst_buffer_foreach_meta (buffer, foreach_meta_remove_one, meta1);
fail_unless_equals_int (count_buffer_meta (buffer), 2);
/* clean up */
gst_buffer_unref (buffer);
}
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)
{
Suite *s = suite_create ("GstMeta");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
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tcase_add_test (tc_chain, test_meta_test);
tcase_add_test (tc_chain, test_meta_locked);
tcase_add_test (tc_chain, test_meta_foreach_remove_one);
tcase_add_test (tc_chain, test_meta_iterate);
return s;
}
GST_CHECK_MAIN (gst_buffermeta);