mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-24 17:20:36 +00:00
04fe2233f0
More convenient and discoverable variant of the fairly widely-used gst_buffer_new_wrapped(g_memdup(data,size),size). Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/826>
977 lines
30 KiB
C
977 lines
30 KiB
C
/* GStreamer
|
|
*
|
|
* unit test for GstBuffer
|
|
*
|
|
* Copyright (C) <2005> Thomas Vander Stichele <thomas at apestaart dot org>
|
|
*
|
|
* 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>
|
|
|
|
GST_START_TEST (test_subbuffer)
|
|
{
|
|
GstBuffer *buffer, *sub;
|
|
GstMapInfo info, sinfo;
|
|
|
|
buffer = gst_buffer_new_and_alloc (4);
|
|
|
|
/* check sizes, buffer starts out empty */
|
|
fail_unless (gst_buffer_map (buffer, &info, GST_MAP_WRITE));
|
|
fail_unless (info.size == 4, "buffer has wrong size");
|
|
fail_unless (info.maxsize >= 4, "buffer has wrong size");
|
|
memset (info.data, 0, 4);
|
|
gst_buffer_unmap (buffer, &info);
|
|
|
|
fail_unless (gst_buffer_map (buffer, &info, GST_MAP_READ));
|
|
/* set some metadata */
|
|
GST_BUFFER_TIMESTAMP (buffer) = 1;
|
|
GST_BUFFER_DURATION (buffer) = 2;
|
|
GST_BUFFER_OFFSET (buffer) = 3;
|
|
GST_BUFFER_OFFSET_END (buffer) = 4;
|
|
|
|
sub = gst_buffer_copy_region (buffer, GST_BUFFER_COPY_ALL, 1, 2);
|
|
fail_if (sub == NULL, "copy region of buffer returned NULL");
|
|
|
|
fail_unless (gst_buffer_map (sub, &sinfo, GST_MAP_READ));
|
|
fail_unless (sinfo.size == 2, "subbuffer has wrong size");
|
|
fail_unless (memcmp (info.data + 1, sinfo.data, 2) == 0,
|
|
"subbuffer contains the wrong data");
|
|
ASSERT_BUFFER_REFCOUNT (sub, "subbuffer", 1);
|
|
fail_unless (GST_BUFFER_TIMESTAMP (sub) == -1,
|
|
"subbuffer has wrong timestamp");
|
|
fail_unless (GST_BUFFER_DURATION (sub) == -1, "subbuffer has wrong duration");
|
|
fail_unless (GST_BUFFER_OFFSET (sub) == -1, "subbuffer has wrong offset");
|
|
fail_unless (GST_BUFFER_OFFSET_END (sub) == -1,
|
|
"subbuffer has wrong offset end");
|
|
gst_buffer_unmap (sub, &sinfo);
|
|
gst_buffer_unref (sub);
|
|
|
|
/* create a subbuffer of size 0 */
|
|
sub = gst_buffer_copy_region (buffer, GST_BUFFER_COPY_ALL, 1, 0);
|
|
fail_if (sub == NULL, "copy_region of buffer returned NULL");
|
|
fail_unless (gst_buffer_map (sub, &sinfo, GST_MAP_READ));
|
|
fail_unless (sinfo.size == 0, "subbuffer has wrong size");
|
|
ASSERT_BUFFER_REFCOUNT (sub, "subbuffer", 1);
|
|
gst_buffer_unmap (sub, &sinfo);
|
|
gst_buffer_unref (sub);
|
|
|
|
/* test if metadata is copied, not a complete buffer copy so only the
|
|
* timestamp and offset fields are copied. */
|
|
sub = gst_buffer_copy_region (buffer, GST_BUFFER_COPY_ALL, 0, 1);
|
|
fail_if (sub == NULL, "copy_region of buffer returned NULL");
|
|
fail_unless (gst_buffer_get_size (sub) == 1, "subbuffer has wrong size");
|
|
fail_unless (GST_BUFFER_TIMESTAMP (sub) == 1,
|
|
"subbuffer has wrong timestamp");
|
|
fail_unless (GST_BUFFER_OFFSET (sub) == 3, "subbuffer has wrong offset");
|
|
fail_unless (GST_BUFFER_DURATION (sub) == -1, "subbuffer has wrong duration");
|
|
fail_unless (GST_BUFFER_OFFSET_END (sub) == -1,
|
|
"subbuffer has wrong offset end");
|
|
gst_buffer_unref (sub);
|
|
|
|
/* test if metadata is copied, a complete buffer is copied so all the timing
|
|
* fields should be copied. */
|
|
sub = gst_buffer_copy_region (buffer, GST_BUFFER_COPY_ALL, 0, 4);
|
|
fail_if (sub == NULL, "copy_region of buffer returned NULL");
|
|
fail_unless (gst_buffer_get_size (sub) == 4, "subbuffer has wrong size");
|
|
fail_unless (GST_BUFFER_TIMESTAMP (sub) == 1,
|
|
"subbuffer has wrong timestamp");
|
|
fail_unless (GST_BUFFER_DURATION (sub) == 2, "subbuffer has wrong duration");
|
|
fail_unless (GST_BUFFER_OFFSET (sub) == 3, "subbuffer has wrong offset");
|
|
fail_unless (GST_BUFFER_OFFSET_END (sub) == 4,
|
|
"subbuffer has wrong offset end");
|
|
|
|
/* clean up */
|
|
gst_buffer_unref (sub);
|
|
|
|
gst_buffer_unmap (buffer, &info);
|
|
gst_buffer_unref (buffer);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_span)
|
|
{
|
|
GstBuffer *buffer, *sub1, *sub2, *span;
|
|
GstMapInfo info;
|
|
|
|
buffer = gst_buffer_new_and_alloc (4);
|
|
|
|
fail_unless (gst_buffer_map (buffer, &info, GST_MAP_WRITE));
|
|
memcpy (info.data, "data", 4);
|
|
gst_buffer_unmap (buffer, &info);
|
|
|
|
ASSERT_CRITICAL (gst_buffer_append (NULL, NULL));
|
|
ASSERT_CRITICAL (gst_buffer_append (buffer, NULL));
|
|
ASSERT_CRITICAL (gst_buffer_append (NULL, buffer));
|
|
|
|
sub1 = gst_buffer_copy_region (buffer, GST_BUFFER_COPY_ALL, 0, 2);
|
|
fail_if (sub1 == NULL, "copy_region of buffer returned NULL");
|
|
|
|
sub2 = gst_buffer_copy_region (buffer, GST_BUFFER_COPY_ALL, 2, 2);
|
|
fail_if (sub2 == NULL, "copy_region of buffer returned NULL");
|
|
|
|
ASSERT_BUFFER_REFCOUNT (buffer, "parent", 1);
|
|
ASSERT_BUFFER_REFCOUNT (sub1, "sub1", 1);
|
|
ASSERT_BUFFER_REFCOUNT (sub2, "sub2", 1);
|
|
|
|
/* span will create a new subbuffer from the parent */
|
|
gst_buffer_ref (sub1);
|
|
gst_buffer_ref (sub2);
|
|
span = gst_buffer_append (sub1, sub2);
|
|
fail_unless (gst_buffer_map (span, &info, GST_MAP_READ));
|
|
fail_unless (info.size == 4, "spanned buffer is wrong size");
|
|
ASSERT_BUFFER_REFCOUNT (buffer, "parent", 1);
|
|
ASSERT_BUFFER_REFCOUNT (sub1, "sub1", 1);
|
|
ASSERT_BUFFER_REFCOUNT (sub2, "sub2", 1);
|
|
ASSERT_BUFFER_REFCOUNT (span, "span", 1);
|
|
fail_unless (memcmp (info.data, "data", 4) == 0,
|
|
"spanned buffer contains the wrong data");
|
|
gst_buffer_unmap (span, &info);
|
|
gst_buffer_unref (span);
|
|
ASSERT_BUFFER_REFCOUNT (buffer, "parent", 1);
|
|
|
|
/* span from non-contiguous buffers will create new buffers */
|
|
gst_buffer_ref (sub1);
|
|
gst_buffer_ref (sub2);
|
|
span = gst_buffer_append (sub2, sub1);
|
|
fail_unless (gst_buffer_map (span, &info, GST_MAP_READ));
|
|
fail_unless (info.size == 4, "spanned buffer is wrong size");
|
|
ASSERT_BUFFER_REFCOUNT (buffer, "parent", 1);
|
|
ASSERT_BUFFER_REFCOUNT (sub1, "sub1", 1);
|
|
ASSERT_BUFFER_REFCOUNT (sub2, "sub2", 1);
|
|
ASSERT_BUFFER_REFCOUNT (span, "span", 1);
|
|
fail_unless (memcmp (info.data, "tada", 4) == 0,
|
|
"spanned buffer contains the wrong data");
|
|
gst_buffer_unmap (span, &info);
|
|
gst_buffer_unref (span);
|
|
ASSERT_BUFFER_REFCOUNT (buffer, "parent", 1);
|
|
|
|
/* clean up */
|
|
gst_buffer_unref (sub1);
|
|
gst_buffer_unref (sub2);
|
|
gst_buffer_unref (buffer);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
|
|
static const char ro_memory[] = "abcdefghijklmnopqrstuvwxyz";
|
|
|
|
static GstBuffer *
|
|
create_read_only_buffer (void)
|
|
{
|
|
GstBuffer *buf;
|
|
|
|
buf = gst_buffer_new ();
|
|
|
|
/* assign some read-only data to the new buffer */
|
|
gst_buffer_insert_memory (buf, -1,
|
|
gst_memory_new_wrapped (GST_MEMORY_FLAG_READONLY,
|
|
(gpointer) ro_memory, sizeof (ro_memory),
|
|
0, sizeof (ro_memory), NULL, NULL));
|
|
|
|
return buf;
|
|
}
|
|
|
|
GST_START_TEST (test_make_writable)
|
|
{
|
|
GstBuffer *buf, *buf2;
|
|
GstMapInfo info;
|
|
|
|
/* create read-only buffer and make it writable */
|
|
buf = create_read_only_buffer ();
|
|
|
|
fail_unless (gst_buffer_map (buf, &info, GST_MAP_WRITE));
|
|
info.data[4] = 'a';
|
|
gst_buffer_unmap (buf, &info);
|
|
gst_buffer_unref (buf);
|
|
|
|
/* alloc'ed buffer with refcount 1 should be writable */
|
|
buf = gst_buffer_new_and_alloc (32);
|
|
buf2 = gst_buffer_make_writable (buf);
|
|
fail_unless (buf == buf2,
|
|
"_make_writable() should have returned same buffer");
|
|
gst_buffer_unref (buf2);
|
|
|
|
/* alloc'ed buffer with refcount >1 should be copied */
|
|
buf = gst_buffer_new_and_alloc (32);
|
|
gst_buffer_ref (buf);
|
|
buf2 = gst_buffer_make_writable (buf);
|
|
fail_unless (buf != buf2, "_make_writable() should have returned a copy!");
|
|
gst_buffer_unref (buf2);
|
|
gst_buffer_unref (buf);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_subbuffer_make_writable)
|
|
{
|
|
GstBuffer *buf, *sub_buf;
|
|
GstMapInfo info;
|
|
|
|
/* create sub-buffer of read-only buffer and make it writable */
|
|
buf = create_read_only_buffer ();
|
|
|
|
sub_buf = gst_buffer_copy_region (buf, GST_BUFFER_COPY_ALL, 0, 8);
|
|
|
|
fail_unless (gst_buffer_map (sub_buf, &info, GST_MAP_WRITE));
|
|
fail_if (info.data == NULL);
|
|
info.data[4] = 'a';
|
|
gst_buffer_unmap (sub_buf, &info);
|
|
gst_buffer_unref (sub_buf);
|
|
gst_buffer_unref (buf);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_metadata_writable)
|
|
{
|
|
GstBuffer *buffer, *sub1;
|
|
|
|
buffer = gst_buffer_new_and_alloc (4);
|
|
GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DISCONT);
|
|
GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT);
|
|
|
|
/* Buffer with refcount 1 should have writable metadata */
|
|
fail_unless (gst_buffer_is_writable (buffer) == TRUE);
|
|
|
|
/* Check that a buffer with refcount 2 does not have writable metadata */
|
|
gst_buffer_ref (buffer);
|
|
ASSERT_BUFFER_REFCOUNT (buffer, "buffer", 2);
|
|
fail_unless (gst_buffer_is_writable (buffer) == FALSE);
|
|
|
|
/* Check that make_metadata_writable produces a new sub-buffer with
|
|
* writable metadata. */
|
|
sub1 = gst_buffer_make_writable (buffer);
|
|
fail_if (sub1 == buffer);
|
|
fail_unless (gst_buffer_is_writable (sub1) == TRUE);
|
|
|
|
/* Check that make_metadata_writable() maintains the buffer flags */
|
|
fail_unless (GST_BUFFER_FLAG_IS_SET (sub1, GST_BUFFER_FLAG_DISCONT));
|
|
fail_unless (GST_BUFFER_FLAG_IS_SET (sub1, GST_BUFFER_FLAG_DELTA_UNIT));
|
|
|
|
/* Unset flags on writable buffer, then make sure they're still
|
|
* set on the original buffer */
|
|
GST_BUFFER_FLAG_UNSET (sub1, GST_BUFFER_FLAG_DISCONT);
|
|
GST_BUFFER_FLAG_UNSET (sub1, GST_BUFFER_FLAG_DELTA_UNIT);
|
|
fail_unless (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DISCONT));
|
|
fail_unless (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT));
|
|
|
|
/* Drop the subbuffer and check that the metadata is now writable again */
|
|
ASSERT_BUFFER_REFCOUNT (sub1, "sub1", 1);
|
|
gst_buffer_unref (sub1);
|
|
fail_unless (gst_buffer_is_writable (buffer) == TRUE);
|
|
|
|
ASSERT_BUFFER_REFCOUNT (buffer, "buffer", 1);
|
|
gst_buffer_unref (buffer);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_memcmp)
|
|
{
|
|
GstBuffer *buffer;
|
|
char buf[3] = { 0, 0, 0 };
|
|
|
|
buffer = gst_buffer_new_and_alloc (2);
|
|
gst_buffer_memset (buffer, 0, 0, 2);
|
|
|
|
fail_unless (gst_buffer_memcmp (buffer, 0, buf, 2) == 0);
|
|
fail_unless (gst_buffer_memcmp (buffer, 0, buf, 1) == 0);
|
|
fail_unless (gst_buffer_memcmp (buffer, 1, buf, 1) == 0);
|
|
fail_unless (gst_buffer_memcmp (buffer, 0, buf, 3) != 0);
|
|
fail_unless (gst_buffer_memcmp (buffer, 2, buf, 1) != 0);
|
|
fail_unless (gst_buffer_memcmp (buffer, 4, buf, 1) != 0);
|
|
|
|
gst_buffer_memset (buffer, 0, 0x20, 2);
|
|
fail_unless (gst_buffer_memcmp (buffer, 0, buf, 2) != 0);
|
|
fail_unless (gst_buffer_memcmp (buffer, 0, buf, 1) != 0);
|
|
fail_unless (gst_buffer_memcmp (buffer, 1, buf, 1) != 0);
|
|
fail_unless (gst_buffer_memcmp (buffer, 0, buf, 3) != 0);
|
|
fail_unless (gst_buffer_memcmp (buffer, 2, buf, 1) != 0);
|
|
|
|
gst_buffer_unref (buffer);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_copy)
|
|
{
|
|
GstBuffer *buffer, *copy;
|
|
GstMapInfo info, sinfo;
|
|
|
|
buffer = gst_buffer_new_and_alloc (4);
|
|
ASSERT_BUFFER_REFCOUNT (buffer, "buffer", 1);
|
|
|
|
copy = gst_buffer_copy (buffer);
|
|
ASSERT_BUFFER_REFCOUNT (buffer, "buffer", 1);
|
|
ASSERT_BUFFER_REFCOUNT (copy, "copy", 1);
|
|
/* buffers are copied and must point to different memory */
|
|
fail_if (buffer == copy);
|
|
|
|
fail_unless (gst_buffer_map (buffer, &info, GST_MAP_READ));
|
|
fail_unless (gst_buffer_map (copy, &sinfo, GST_MAP_READ));
|
|
|
|
/* NOTE that data is refcounted */
|
|
fail_unless (info.size == sinfo.size);
|
|
/* GstBuffer was copied but the underlying GstMemory should be the same */
|
|
fail_unless (info.data == sinfo.data);
|
|
|
|
gst_buffer_unmap (copy, &sinfo);
|
|
gst_buffer_unmap (buffer, &info);
|
|
|
|
gst_buffer_unref (copy);
|
|
gst_buffer_unref (buffer);
|
|
|
|
/* a 0-sized buffer has NULL data as per docs */
|
|
buffer = gst_buffer_new_and_alloc (0);
|
|
fail_unless (gst_buffer_map (buffer, &info, GST_MAP_READ));
|
|
fail_unless (info.data == NULL);
|
|
gst_buffer_unmap (buffer, &info);
|
|
|
|
/* copying a 0-sized buffer should not crash and also set
|
|
* the data member NULL. */
|
|
copy = gst_buffer_copy (buffer);
|
|
fail_unless (gst_buffer_map (copy, &info, GST_MAP_READ));
|
|
fail_unless (info.data == NULL);
|
|
gst_buffer_unmap (copy, &info);
|
|
|
|
gst_buffer_unref (copy);
|
|
gst_buffer_unref (buffer);
|
|
|
|
/* check if copy is an independent copy when written to */
|
|
buffer = gst_buffer_new_and_alloc (4);
|
|
gst_buffer_memset (buffer, 0, 0, 4);
|
|
copy = gst_buffer_copy (buffer);
|
|
fail_unless (gst_buffer_is_writable (copy));
|
|
gst_buffer_memset (copy, 0, 0x80, 4);
|
|
gst_buffer_map (buffer, &info, GST_MAP_READ);
|
|
fail_if (gst_buffer_memcmp (copy, 0, info.data, info.size) == 0);
|
|
gst_buffer_unmap (buffer, &info);
|
|
|
|
gst_buffer_unref (copy);
|
|
gst_buffer_unref (buffer);
|
|
|
|
/* copy should still be independent if copied when mapped */
|
|
buffer = gst_buffer_new_and_alloc (4);
|
|
gst_buffer_memset (buffer, 0, 0, 4);
|
|
fail_unless (gst_buffer_map (buffer, &info, GST_MAP_WRITE));
|
|
copy = gst_buffer_copy (buffer);
|
|
fail_unless (gst_buffer_is_writable (copy));
|
|
gst_buffer_memset (copy, 0, 0x80, 4);
|
|
gst_buffer_unmap (buffer, &info);
|
|
fail_unless (gst_buffer_map (buffer, &info, GST_MAP_READ));
|
|
fail_if (gst_buffer_memcmp (copy, 0, info.data, info.size) == 0);
|
|
gst_buffer_unmap (buffer, &info);
|
|
|
|
gst_buffer_unref (copy);
|
|
gst_buffer_unref (buffer);
|
|
|
|
/* check if a writable clone of a buffer is independent when written to */
|
|
buffer = gst_buffer_new_and_alloc (4);
|
|
gst_buffer_memset (buffer, 0, 0, 4);
|
|
copy = gst_buffer_ref (buffer);
|
|
copy = gst_buffer_make_writable (copy);
|
|
fail_unless (gst_buffer_is_writable (copy));
|
|
gst_buffer_memset (copy, 0, 0x80, 4);
|
|
gst_buffer_map (buffer, &info, GST_MAP_READ);
|
|
fail_if (gst_buffer_memcmp (copy, 0, info.data, info.size) == 0);
|
|
gst_buffer_unmap (buffer, &info);
|
|
|
|
gst_buffer_unref (copy);
|
|
gst_buffer_unref (buffer);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_copy_deep)
|
|
{
|
|
GstBuffer *buffer, *copy;
|
|
GstMapInfo info, sinfo;
|
|
|
|
buffer = gst_buffer_new_and_alloc (4);
|
|
ASSERT_BUFFER_REFCOUNT (buffer, "buffer", 1);
|
|
|
|
copy = gst_buffer_copy_deep (buffer);
|
|
ASSERT_BUFFER_REFCOUNT (buffer, "buffer", 1);
|
|
ASSERT_BUFFER_REFCOUNT (copy, "copy", 1);
|
|
/* buffers are copied and must point to different memory */
|
|
fail_if (buffer == copy);
|
|
|
|
fail_unless (gst_buffer_map (buffer, &info, GST_MAP_READ));
|
|
fail_unless (gst_buffer_map (copy, &sinfo, GST_MAP_READ));
|
|
|
|
/* NOTE that data is refcounted */
|
|
fail_unless (info.size == sinfo.size);
|
|
/* copy_deep() forces new GstMemory to be used */
|
|
fail_unless (info.data != sinfo.data);
|
|
|
|
gst_buffer_unmap (copy, &sinfo);
|
|
gst_buffer_unmap (buffer, &info);
|
|
|
|
gst_buffer_unref (copy);
|
|
gst_buffer_unref (buffer);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_try_new_and_alloc)
|
|
{
|
|
GstBuffer *buf;
|
|
GstMapInfo info;
|
|
|
|
/* special case: alloc of 0 bytes results in new buffer with NULL data */
|
|
buf = gst_buffer_new_and_alloc (0);
|
|
fail_unless (buf != NULL);
|
|
fail_unless (GST_IS_BUFFER (buf));
|
|
fail_unless (gst_buffer_map (buf, &info, GST_MAP_READ));
|
|
fail_unless (info.data == NULL);
|
|
gst_buffer_unmap (buf, &info);
|
|
gst_buffer_unref (buf);
|
|
|
|
/* normal alloc should still work */
|
|
buf = gst_buffer_new_and_alloc (640 * 480 * 4);
|
|
fail_unless (buf != NULL);
|
|
fail_unless (GST_IS_BUFFER (buf));
|
|
fail_unless (gst_buffer_map (buf, &info, GST_MAP_WRITE));
|
|
fail_unless (info.data != NULL);
|
|
fail_unless (info.size == (640 * 480 * 4));
|
|
info.data[640 * 479 * 4 + 479] = 0xff;
|
|
gst_buffer_unmap (buf, &info);
|
|
|
|
gst_buffer_unref (buf);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_size)
|
|
{
|
|
GstBuffer *buf;
|
|
GstMemory *mem;
|
|
gsize maxalloc, maxalloc2, maxalloc3, maxalloc4;
|
|
gsize size, maxsize, offset;
|
|
|
|
/* one memory block */
|
|
buf = gst_buffer_new_allocate (NULL, 100, NULL);
|
|
|
|
size = gst_buffer_get_sizes (buf, &offset, &maxalloc);
|
|
fail_unless (size == 100);
|
|
fail_unless (offset == 0);
|
|
fail_unless (maxalloc >= 100);
|
|
|
|
mem = gst_buffer_get_memory (buf, 0);
|
|
gst_memory_resize (mem, 10, 70);
|
|
gst_memory_unref (mem);
|
|
|
|
size = gst_buffer_get_sizes (buf, &offset, &maxsize);
|
|
fail_unless (size == 70);
|
|
fail_unless (offset == 10);
|
|
fail_unless (maxsize == maxalloc);
|
|
|
|
/* new memory */
|
|
mem = gst_allocator_alloc (NULL, 100, NULL);
|
|
size = gst_memory_get_sizes (mem, &offset, &maxalloc2);
|
|
fail_unless (size == 100);
|
|
fail_unless (offset == 0);
|
|
fail_unless (maxalloc2 >= 100);
|
|
|
|
gst_memory_resize (mem, 20, 60);
|
|
size = gst_memory_get_sizes (mem, &offset, &maxsize);
|
|
fail_unless (size == 60);
|
|
fail_unless (offset == 20);
|
|
fail_unless (maxsize == maxalloc2);
|
|
|
|
/* append */
|
|
gst_buffer_insert_memory (buf, -1, mem);
|
|
|
|
size = gst_buffer_get_sizes (buf, &offset, &maxalloc);
|
|
fail_unless (size == 130);
|
|
fail_unless (offset == 10);
|
|
/* the maxsize is the size of the first buffer plus the remaining size in the
|
|
* second buffer */
|
|
fail_unless (maxalloc == 80 + (maxalloc2 - 20));
|
|
|
|
/* appending an empty block */
|
|
mem = gst_allocator_alloc (NULL, 100, NULL);
|
|
size = gst_memory_get_sizes (mem, &offset, &maxalloc3);
|
|
gst_memory_resize (mem, 0, 0);
|
|
gst_buffer_insert_memory (buf, -1, mem);
|
|
|
|
size = gst_buffer_get_sizes (buf, &offset, &maxalloc);
|
|
fail_unless (size == 130);
|
|
fail_unless (offset == 10);
|
|
/* the maxsize is the size of the first buffer plus the remaining size in the
|
|
* second buffer and the last empty buffer*/
|
|
fail_unless (maxalloc == 80 + (maxalloc2 - 20) + maxalloc3);
|
|
|
|
/* prepending an empty block */
|
|
mem = gst_allocator_alloc (NULL, 100, NULL);
|
|
size = gst_memory_get_sizes (mem, &offset, &maxalloc4);
|
|
gst_memory_resize (mem, 0, 0);
|
|
gst_buffer_insert_memory (buf, 0, mem);
|
|
|
|
size = gst_buffer_get_sizes (buf, &offset, &maxalloc);
|
|
fail_unless (size == 130);
|
|
/* empty buffer maxsize can be used as offset */
|
|
fail_unless (offset == 10 + maxalloc4);
|
|
/* the maxsize is the size of the first buffer plus the remaining size in the
|
|
* second buffer and the last empty buffer*/
|
|
fail_unless (maxalloc == 80 + (maxalloc2 - 20) + maxalloc3 + maxalloc4);
|
|
|
|
gst_buffer_unref (buf);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_resize)
|
|
{
|
|
GstBuffer *buf;
|
|
gsize maxalloc;
|
|
gsize size, maxsize, offset;
|
|
|
|
/* one memory block */
|
|
buf = gst_buffer_new_allocate (NULL, 100, NULL);
|
|
|
|
size = gst_buffer_get_sizes (buf, &offset, &maxalloc);
|
|
fail_unless (size == 100);
|
|
fail_unless (offset == 0);
|
|
fail_unless (maxalloc >= 100);
|
|
|
|
ASSERT_CRITICAL (gst_buffer_resize (buf, 200, 50));
|
|
ASSERT_CRITICAL (gst_buffer_resize (buf, 0, 150));
|
|
ASSERT_CRITICAL (gst_buffer_resize (buf, 1, maxalloc));
|
|
ASSERT_CRITICAL (gst_buffer_resize (buf, maxalloc, 1));
|
|
|
|
/* this does nothing */
|
|
gst_buffer_resize (buf, 0, 100);
|
|
|
|
/* nothing should have changed */
|
|
size = gst_buffer_get_sizes (buf, &offset, &maxsize);
|
|
fail_unless (size == 100);
|
|
fail_unless (offset == 0);
|
|
fail_unless (maxsize == maxalloc);
|
|
|
|
gst_buffer_resize (buf, 0, 50);
|
|
size = gst_buffer_get_sizes (buf, &offset, &maxsize);
|
|
fail_unless (size == 50);
|
|
fail_unless (offset == 0);
|
|
fail_unless (maxsize == maxalloc);
|
|
|
|
gst_buffer_resize (buf, 0, 100);
|
|
size = gst_buffer_get_sizes (buf, &offset, &maxsize);
|
|
fail_unless (size == 100);
|
|
fail_unless (offset == 0);
|
|
fail_unless (maxsize == maxalloc);
|
|
|
|
gst_buffer_resize (buf, 1, 99);
|
|
size = gst_buffer_get_sizes (buf, &offset, &maxsize);
|
|
fail_unless (size == 99);
|
|
fail_unless (offset == 1);
|
|
fail_unless (maxsize == maxalloc);
|
|
|
|
ASSERT_CRITICAL (gst_buffer_resize (buf, 1, maxalloc - 1));
|
|
|
|
gst_buffer_resize (buf, 0, 99);
|
|
size = gst_buffer_get_sizes (buf, &offset, &maxsize);
|
|
fail_unless (size == 99);
|
|
fail_unless (offset == 1);
|
|
fail_unless (maxsize == maxalloc);
|
|
|
|
gst_buffer_resize (buf, -1, 100);
|
|
size = gst_buffer_get_sizes (buf, &offset, &maxsize);
|
|
fail_unless (size == 100);
|
|
fail_unless (offset == 0);
|
|
fail_unless (maxsize == maxalloc);
|
|
|
|
ASSERT_CRITICAL (gst_buffer_resize (buf, -1, 100));
|
|
|
|
gst_buffer_resize (buf, 50, 40);
|
|
size = gst_buffer_get_sizes (buf, &offset, &maxsize);
|
|
fail_unless (size == 40);
|
|
fail_unless (offset == 50);
|
|
fail_unless (maxsize == maxalloc);
|
|
|
|
gst_buffer_resize (buf, -50, 100);
|
|
size = gst_buffer_get_sizes (buf, &offset, &maxsize);
|
|
fail_unless (size == 100);
|
|
fail_unless (offset == 0);
|
|
fail_unless (maxsize == maxalloc);
|
|
|
|
gst_buffer_resize (buf, 0, 0);
|
|
size = gst_buffer_get_sizes (buf, &offset, &maxsize);
|
|
fail_unless (size == 0);
|
|
fail_unless (offset == 0);
|
|
fail_unless (maxsize == maxalloc);
|
|
|
|
gst_buffer_resize (buf, 0, 100);
|
|
size = gst_buffer_get_sizes (buf, &offset, &maxsize);
|
|
fail_unless (size == 100);
|
|
fail_unless (offset == 0);
|
|
fail_unless (maxsize == maxalloc);
|
|
|
|
gst_buffer_resize (buf, 0, 100);
|
|
size = gst_buffer_get_sizes (buf, &offset, &maxsize);
|
|
fail_unless (size == 100);
|
|
fail_unless (offset == 0);
|
|
fail_unless (maxsize == maxalloc);
|
|
|
|
gst_buffer_unref (buf);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_map)
|
|
{
|
|
GstBuffer *buf;
|
|
GstMapInfo map, map2;
|
|
gsize maxalloc;
|
|
gsize size, offset;
|
|
|
|
buf = gst_buffer_new ();
|
|
gst_buffer_insert_memory (buf, -1, gst_allocator_alloc (NULL, 50, NULL));
|
|
gst_buffer_insert_memory (buf, -1, gst_allocator_alloc (NULL, 50, NULL));
|
|
|
|
size = gst_buffer_get_sizes (buf, &offset, &maxalloc);
|
|
fail_unless (size == 100);
|
|
fail_unless (offset == 0);
|
|
fail_unless (maxalloc >= 100);
|
|
fail_unless (gst_buffer_n_memory (buf) == 2);
|
|
|
|
/* make readonly */
|
|
gst_buffer_ref (buf);
|
|
/* map should merge */
|
|
gst_buffer_map (buf, &map, GST_MAP_READ);
|
|
/* merged memory is not stored */
|
|
fail_unless (gst_buffer_n_memory (buf) == 2);
|
|
gst_buffer_unmap (buf, &map);
|
|
|
|
fail_unless (gst_buffer_n_memory (buf) == 2);
|
|
|
|
/* can't map write on readonly buffer */
|
|
ASSERT_CRITICAL (gst_buffer_map (buf, &map, GST_MAP_WRITE));
|
|
/* make writable again */
|
|
gst_buffer_unref (buf);
|
|
|
|
/* should merge and store */
|
|
gst_buffer_map (buf, &map, GST_MAP_READ);
|
|
fail_unless (gst_buffer_n_memory (buf) == 1);
|
|
gst_buffer_unmap (buf, &map);
|
|
|
|
gst_buffer_map (buf, &map, GST_MAP_WRITE);
|
|
gst_buffer_unmap (buf, &map);
|
|
|
|
/* mapping same kind should be ok using same memory */
|
|
gst_buffer_map (buf, &map, GST_MAP_WRITE);
|
|
fail_unless (gst_buffer_map (buf, &map2, GST_MAP_WRITE));
|
|
fail_unless (map.memory == map2.memory);
|
|
gst_buffer_unmap (buf, &map2);
|
|
gst_buffer_unmap (buf, &map);
|
|
|
|
/* ... but different kind should give temporary memory */
|
|
gst_buffer_map (buf, &map, GST_MAP_WRITE);
|
|
fail_unless (gst_buffer_map (buf, &map2, GST_MAP_READ));
|
|
fail_if (map.memory == map2.memory);
|
|
gst_buffer_unmap (buf, &map2);
|
|
gst_buffer_unmap (buf, &map);
|
|
|
|
gst_buffer_unref (buf);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_map_range)
|
|
{
|
|
GstBuffer *buf;
|
|
GstMapInfo map;
|
|
gsize maxalloc;
|
|
gsize size, offset;
|
|
|
|
buf = gst_buffer_new ();
|
|
gst_buffer_insert_memory (buf, -1, gst_allocator_alloc (NULL, 50, NULL));
|
|
gst_buffer_insert_memory (buf, -1, gst_allocator_alloc (NULL, 50, NULL));
|
|
gst_buffer_insert_memory (buf, -1, gst_allocator_alloc (NULL, 50, NULL));
|
|
|
|
size = gst_buffer_get_sizes (buf, &offset, &maxalloc);
|
|
fail_unless (size == 150);
|
|
fail_unless (offset == 0);
|
|
fail_unless (maxalloc >= 150);
|
|
fail_unless (gst_buffer_n_memory (buf) == 3);
|
|
|
|
gst_buffer_ref (buf);
|
|
/* map should merge */
|
|
gst_buffer_map_range (buf, 1, 2, &map, GST_MAP_READ);
|
|
/* merged memory is not stored */
|
|
fail_unless (gst_buffer_n_memory (buf) == 3);
|
|
fail_unless (map.size == 100);
|
|
gst_buffer_unmap (buf, &map);
|
|
|
|
fail_unless (gst_buffer_n_memory (buf) == 3);
|
|
|
|
gst_buffer_unref (buf);
|
|
|
|
/* map should merge */
|
|
gst_buffer_map_range (buf, 1, 2, &map, GST_MAP_READ);
|
|
/* merged memory is stored */
|
|
fail_unless (gst_buffer_n_memory (buf) == 2);
|
|
fail_unless (map.size == 100);
|
|
gst_buffer_unmap (buf, &map);
|
|
|
|
fail_unless (gst_buffer_n_memory (buf) == 2);
|
|
|
|
/* should merge and store */
|
|
gst_buffer_map (buf, &map, GST_MAP_READ);
|
|
fail_unless (gst_buffer_n_memory (buf) == 1);
|
|
gst_buffer_unmap (buf, &map);
|
|
|
|
gst_buffer_unref (buf);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_find)
|
|
{
|
|
GstBuffer *buf;
|
|
gsize maxalloc;
|
|
gsize size, offset;
|
|
guint idx, length;
|
|
|
|
buf = gst_buffer_new ();
|
|
gst_buffer_append_memory (buf, gst_allocator_alloc (NULL, 0, NULL));
|
|
gst_buffer_append_memory (buf, gst_allocator_alloc (NULL, 10, NULL));
|
|
gst_buffer_append_memory (buf, gst_allocator_alloc (NULL, 15, NULL));
|
|
gst_buffer_append_memory (buf, gst_allocator_alloc (NULL, 0, NULL));
|
|
|
|
size = gst_buffer_get_sizes (buf, &offset, &maxalloc);
|
|
fail_unless (size == 25);
|
|
fail_unless (offset >= 0);
|
|
fail_unless (maxalloc >= 25);
|
|
fail_unless (gst_buffer_n_memory (buf) == 4);
|
|
|
|
fail_unless (gst_buffer_find_memory (buf, 0, 5, &idx, &length, &offset));
|
|
fail_unless (idx == 1);
|
|
fail_unless (length == 1);
|
|
fail_unless (offset == 0);
|
|
|
|
fail_unless (gst_buffer_find_memory (buf, 0, 10, &idx, &length, &offset));
|
|
fail_unless (idx == 1);
|
|
fail_unless (length == 1);
|
|
fail_unless (offset == 0);
|
|
|
|
fail_unless (gst_buffer_find_memory (buf, 5, 4, &idx, &length, &offset));
|
|
fail_unless (idx == 1);
|
|
fail_unless (length == 1);
|
|
fail_unless (offset == 5);
|
|
|
|
fail_unless (gst_buffer_find_memory (buf, 5, 5, &idx, &length, &offset));
|
|
fail_unless (idx == 1);
|
|
fail_unless (length == 1);
|
|
fail_unless (offset == 5);
|
|
|
|
fail_unless (gst_buffer_find_memory (buf, 5, 6, &idx, &length, &offset));
|
|
fail_unless (idx == 1);
|
|
fail_unless (length == 2);
|
|
fail_unless (offset == 5);
|
|
|
|
fail_unless (gst_buffer_find_memory (buf, 10, 6, &idx, &length, &offset));
|
|
fail_unless (idx == 2);
|
|
fail_unless (length == 1);
|
|
fail_unless (offset == 0);
|
|
|
|
fail_unless (gst_buffer_find_memory (buf, 10, 15, &idx, &length, &offset));
|
|
fail_unless (idx == 2);
|
|
fail_unless (length == 1);
|
|
fail_unless (offset == 0);
|
|
|
|
fail_unless (gst_buffer_find_memory (buf, 11, 14, &idx, &length, &offset));
|
|
fail_unless (idx == 2);
|
|
fail_unless (length == 1);
|
|
fail_unless (offset == 1);
|
|
|
|
fail_unless (gst_buffer_find_memory (buf, 0, 25, &idx, &length, &offset));
|
|
fail_unless (idx == 1);
|
|
fail_unless (length == 2);
|
|
fail_unless (offset == 0);
|
|
|
|
fail_unless (gst_buffer_find_memory (buf, 24, 0, &idx, &length, &offset));
|
|
fail_unless (idx == 2);
|
|
fail_unless (length == 1);
|
|
fail_unless (offset == 14);
|
|
|
|
fail_if (gst_buffer_find_memory (buf, 11, 15, &idx, &length, &offset));
|
|
fail_if (gst_buffer_find_memory (buf, 0, 26, &idx, &length, &offset));
|
|
fail_if (gst_buffer_find_memory (buf, 25, 0, &idx, &length, &offset));
|
|
|
|
fail_unless (gst_buffer_find_memory (buf, 1, -1, &idx, &length, &offset));
|
|
fail_unless (idx == 1);
|
|
fail_unless (length == 3);
|
|
fail_unless (offset == 1);
|
|
|
|
gst_buffer_unref (buf);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_fill)
|
|
{
|
|
GstBuffer *buf;
|
|
guint8 data[1024], data2[25];
|
|
gint i;
|
|
|
|
buf = gst_buffer_new ();
|
|
gst_buffer_append_memory (buf, gst_allocator_alloc (NULL, 0, NULL));
|
|
gst_buffer_append_memory (buf, gst_allocator_alloc (NULL, 10, NULL));
|
|
gst_buffer_append_memory (buf, gst_allocator_alloc (NULL, 15, NULL));
|
|
gst_buffer_append_memory (buf, gst_allocator_alloc (NULL, 0, NULL));
|
|
|
|
for (i = 0; i < G_N_ELEMENTS (data); ++i)
|
|
data[i] = i & 0xff;
|
|
|
|
/* a NULL src pointer should be ok if the src length is 0 bytes */
|
|
fail_unless_equals_int (gst_buffer_fill (buf, 0, NULL, 0), 0);
|
|
fail_unless_equals_int (gst_buffer_fill (buf, 20, NULL, 0), 0);
|
|
fail_unless_equals_int (gst_buffer_fill (buf, 0, data, 0), 0);
|
|
|
|
fail_unless_equals_int (gst_buffer_fill (buf, 0, data, 1), 1);
|
|
fail_unless_equals_int (gst_buffer_fill (buf, 0, data, 11), 11);
|
|
fail_unless_equals_int (gst_buffer_fill (buf, 0, data, 15), 15);
|
|
fail_unless_equals_int (gst_buffer_fill (buf, 0, data, 25), 25);
|
|
fail_unless_equals_int (gst_buffer_fill (buf, 0, data, 26), 25);
|
|
fail_unless_equals_int (gst_buffer_fill (buf, 1, data, 26), 24);
|
|
fail_unless_equals_int (gst_buffer_fill (buf, 10, data, 100), 15);
|
|
fail_unless_equals_int (gst_buffer_fill (buf, 11, data, 100), 14);
|
|
fail_unless_equals_int (gst_buffer_fill (buf, 25, data, 100), 0);
|
|
|
|
fail_unless_equals_int (gst_buffer_fill (buf, 0, data + 10, 25), 25);
|
|
fail_unless_equals_int (gst_buffer_extract (buf, 0, data2, 25), 25);
|
|
fail_unless (memcmp (data2, data + 10, 25) == 0);
|
|
|
|
gst_buffer_unref (buf);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_parent_buffer_meta)
|
|
{
|
|
GstBuffer *buf, *parent;
|
|
GstParentBufferMeta *meta;
|
|
|
|
buf = gst_buffer_new ();
|
|
parent = gst_buffer_new ();
|
|
|
|
gst_buffer_add_parent_buffer_meta (buf, parent);
|
|
meta = gst_buffer_get_parent_buffer_meta (buf);
|
|
fail_unless (meta);
|
|
fail_unless (parent == meta->buffer);
|
|
|
|
gst_buffer_unref (buf);
|
|
gst_buffer_unref (parent);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_writable_memory)
|
|
{
|
|
GstBuffer *buf;
|
|
GstMemory *mem;
|
|
|
|
buf = gst_buffer_new_and_alloc (10);
|
|
/* make buffer read-only */
|
|
gst_buffer_ref (buf);
|
|
|
|
mem = gst_buffer_peek_memory (buf, 0);
|
|
fail_if (gst_memory_is_writable (mem));
|
|
|
|
gst_buffer_unref (buf);
|
|
gst_buffer_unref (buf);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_wrapped_bytes)
|
|
{
|
|
GBytes *bytes = g_bytes_new_static (ro_memory, sizeof (ro_memory));
|
|
GstBuffer *buf;
|
|
GstMemory *mem;
|
|
|
|
buf = gst_buffer_new_wrapped_bytes (bytes);
|
|
|
|
/* the memory should not be writable */
|
|
mem = gst_buffer_peek_memory (buf, 0);
|
|
fail_unless (GST_MEMORY_IS_READONLY (mem));
|
|
|
|
gst_buffer_unref (buf);
|
|
g_bytes_unref (bytes);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_new_copy)
|
|
{
|
|
GstBuffer *buf;
|
|
GstMemory *mem;
|
|
|
|
buf = gst_buffer_new_copy (ro_memory, sizeof (ro_memory));
|
|
|
|
fail_if (gst_buffer_memcmp (buf, 0, ro_memory, sizeof (ro_memory)));
|
|
fail_unless_equals_int (gst_buffer_get_size (buf), sizeof (ro_memory));
|
|
|
|
/* the memory should be writable */
|
|
mem = gst_buffer_peek_memory (buf, 0);
|
|
fail_unless (gst_memory_is_writable (mem));
|
|
fail_unless (gst_buffer_is_writable (buf));
|
|
gst_buffer_memset (buf, 0, 0xaa, sizeof (ro_memory));
|
|
|
|
gst_buffer_unref (buf);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
static Suite *
|
|
gst_buffer_suite (void)
|
|
{
|
|
Suite *s = suite_create ("GstBuffer");
|
|
TCase *tc_chain = tcase_create ("general");
|
|
|
|
suite_add_tcase (s, tc_chain);
|
|
tcase_add_test (tc_chain, test_subbuffer);
|
|
tcase_add_test (tc_chain, test_subbuffer_make_writable);
|
|
tcase_add_test (tc_chain, test_make_writable);
|
|
tcase_add_test (tc_chain, test_span);
|
|
tcase_add_test (tc_chain, test_metadata_writable);
|
|
tcase_add_test (tc_chain, test_memcmp);
|
|
tcase_add_test (tc_chain, test_copy);
|
|
tcase_add_test (tc_chain, test_copy_deep);
|
|
tcase_add_test (tc_chain, test_try_new_and_alloc);
|
|
tcase_add_test (tc_chain, test_size);
|
|
tcase_add_test (tc_chain, test_resize);
|
|
tcase_add_test (tc_chain, test_map);
|
|
tcase_add_test (tc_chain, test_map_range);
|
|
tcase_add_test (tc_chain, test_find);
|
|
tcase_add_test (tc_chain, test_fill);
|
|
tcase_add_test (tc_chain, test_parent_buffer_meta);
|
|
tcase_add_test (tc_chain, test_writable_memory);
|
|
tcase_add_test (tc_chain, test_wrapped_bytes);
|
|
tcase_add_test (tc_chain, test_new_copy);
|
|
|
|
return s;
|
|
}
|
|
|
|
GST_CHECK_MAIN (gst_buffer);
|