gstreamer/tests/check/gst/gstmeta.c
Wim Taymans fa0d993372 meta: implement transform function
Replace subbuffer and copy vmethods by a more generic transform function that
can then be parametrised by transform specific data. This should allow us to
implement make-writable and more future transform functions.
2011-03-08 17:11:23 +00:00

275 lines
7.3 KiB
C

/* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef HAVE_VALGRIND_H
# include <valgrind/valgrind.h>
#else
# define RUNNING_ON_VALGRIND FALSE
#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;
} GstMetaTest;
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_INFO))
#define GST_META_TEST_ADD(buf) ((GstMetaTest *)gst_buffer_add_meta(buf,GST_META_TEST_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
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 void
test_init_func (GstMetaTest * meta, 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*/
}
static void
test_free_func (GstMetaTest * meta, GstBuffer * buffer)
{
GST_DEBUG ("free called on buffer %p, meta %p", buffer, meta);
/* nothing to free really */
}
static void
test_transform_func (GstBuffer * transbuf, GstMetaTest * meta,
GstBuffer * buffer, GstMetaTransformData * data)
{
GstMetaTest *test;
guint offset;
guint size;
if (data->type == GST_META_TRANSFORM_TRIM) {
GstMetaTransformSubbuffer *subdata = (GstMetaTransformSubbuffer *) data;
offset = subdata->offset;
size = subdata->size;
} else {
offset = 0;
size = GST_BUFFER_SIZE (buffer);
}
GST_DEBUG ("trans called from buffer %p to %p, meta %p, %u-%u", buffer,
transbuf, meta, offset, size);
test = GST_META_TEST_ADD (transbuf);
if (offset == 0) {
/* same offset, copy timestamps */
test->pts = meta->pts;
test->dts = meta->dts;
if (size == GST_BUFFER_SIZE (buffer)) {
/* same size, copy duration */
test->duration = meta->duration;
} else {
/* else clear */
test->duration = GST_CLOCK_TIME_NONE;
}
} else {
test->pts = -1;
test->dts = -1;
test->duration = -1;
}
test->clock_rate = meta->clock_rate;
}
static const GstMetaInfo *
gst_meta_test_get_info (void)
{
static const GstMetaInfo *meta_test_info = NULL;
if (meta_test_info == NULL) {
meta_test_info = gst_meta_register ("GstMetaTest", "GstMetaTest",
sizeof (GstMetaTest),
(GstMetaInitFunction) test_init_func,
(GstMetaFreeFunction) test_free_func,
(GstMetaTransformFunction) test_transform_func, NULL, NULL);
}
return meta_test_info;
}
GST_START_TEST (test_meta_test)
{
GstBuffer *buffer, *copy, *subbuf;
GstMetaTest *meta;
buffer = gst_buffer_new_and_alloc (4);
memset (GST_BUFFER_DATA (buffer), 0, 4);
/* add some metadata */
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 */
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_create_sub (buffer, 0, 1);
/* get metadata of the buffer */
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_create_sub (buffer, 1, 3);
/* get metadata of the buffer */
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;
GST_START_TEST (test_meta_memory)
{
GstBuffer *buffer, *copy;
GstMetaMemory *meta;
guint8 *data;
gsize size;
guint i;
buffer = gst_buffer_new ();
/* add some memory metadata */
meta = gst_buffer_add_meta_memory (buffer, g_malloc (4), g_free, 4, 0);
fail_if (meta == NULL);
fail_if (meta->mmap_func == NULL);
fail_if (meta->munmap_func == NULL);
/* prepare for writing */
data = gst_meta_memory_map (meta, 0, &size, GST_META_MAP_WRITE);
fail_if (data == NULL);
fail_if (size != 4);
for (i = 0; i < 4; i++)
data[i] = i;
gst_meta_memory_unmap (meta, data, size);
/* reading */
meta = gst_buffer_get_meta_memory (buffer);
fail_if (meta == NULL);
data = gst_meta_memory_map (meta, 0, &size, GST_META_MAP_READ);
fail_if (data == NULL);
fail_if (size != 4);
for (i = 0; i < 4; i++)
fail_if (data[i] != i);
gst_meta_memory_unmap (meta, data, size);
/* copy of the buffer */
copy = gst_buffer_copy (buffer);
/* get metadata of the buffer */
meta = gst_buffer_get_meta_memory (copy);
fail_if (meta == NULL);
data = gst_meta_memory_map (meta, 0, &size, GST_META_MAP_READ);
fail_if (data == NULL);
fail_if (size != 4);
for (i = 0; i < 4; i++)
fail_if (data[i] != i);
gst_meta_memory_unmap (meta, data, size);
gst_buffer_unref (copy);
#if 0
/* FIXME, does not work yet */
/* make a subbuffer */
subbuf = gst_buffer_create_sub (buffer, 1, 3);
meta = gst_buffer_get_meta_memory (subbuf);
fail_if (meta == NULL);
data = gst_meta_memory_map (meta, 0, &size, GST_META_MAP_READ);
fail_if (data == NULL);
fail_if (size != 3);
for (i = 0; i < 3; i++)
fail_if (data[i] != i + 1);
gst_meta_memory_unmap (meta, data, size);
gst_buffer_unref (subbuf);
#endif
/* clean up */
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);
tcase_add_test (tc_chain, test_meta_test);
tcase_add_test (tc_chain, test_meta_memory);
return s;
}
GST_CHECK_MAIN (gst_buffermeta);