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c74c3bf1b3
gst_adapter_masked_scan_uint32 could return values smaller than offset if the first byte(s) of the mask are 0 and the pattern matches the beginning of the adapter. Added examples to documentation of gst_adapter_masked_scan_uint32(). Also added some more masked boundary tests. Fixes #584118
625 lines
18 KiB
C
625 lines
18 KiB
C
/* GStreamer
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*
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* unit test for adapter
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*
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* Copyright (C) <2005> Wim Taymans <wim at fluendo dot com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <gst/check/gstcheck.h>
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#include <gst/base/gstadapter.h>
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/* does some implementation dependent checking that should
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* also be optimal
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*/
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/*
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* Start peeking on an adapter with 1 buffer pushed.
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*/
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GST_START_TEST (test_peek1)
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{
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GstAdapter *adapter;
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GstBuffer *buffer;
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guint avail;
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const guint8 *bufdata, *data1, *data2;
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adapter = gst_adapter_new ();
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fail_if (adapter == NULL);
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/* push single buffer in adapter */
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buffer = gst_buffer_new_and_alloc (512);
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bufdata = GST_BUFFER_DATA (buffer);
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fail_if (buffer == NULL);
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gst_adapter_push (adapter, buffer);
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/* available and available_fast should return the size of the
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* buffer */
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avail = gst_adapter_available (adapter);
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fail_if (avail != 512);
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avail = gst_adapter_available_fast (adapter);
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fail_if (avail != 512);
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/* should g_critical with NULL as result */
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ASSERT_CRITICAL (data1 = gst_adapter_peek (adapter, 0));
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fail_if (data1 != NULL);
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/* should return NULL as result */
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data1 = gst_adapter_peek (adapter, 513);
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fail_if (data1 != NULL);
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/* this should work */
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data1 = gst_adapter_peek (adapter, 512);
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fail_if (data1 == NULL);
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/* it should point to the buffer data as well */
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fail_if (data1 != bufdata);
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data2 = gst_adapter_peek (adapter, 512);
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fail_if (data2 == NULL);
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/* second peek should return the same pointer */
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fail_if (data2 != data1);
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/* this should fail since we don't have that many bytes */
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ASSERT_CRITICAL (gst_adapter_flush (adapter, 513));
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/* this should work fine */
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gst_adapter_flush (adapter, 10);
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/* see if we have 10 bytes less available */
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avail = gst_adapter_available (adapter);
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fail_if (avail != 502);
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avail = gst_adapter_available_fast (adapter);
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fail_if (avail != 502);
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/* should return NULL as result */
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data2 = gst_adapter_peek (adapter, 503);
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fail_if (data2 != NULL);
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/* should work fine */
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data2 = gst_adapter_peek (adapter, 502);
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fail_if (data2 == NULL);
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/* peek should return the same old pointer + 10 */
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fail_if (data2 != data1 + 10);
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fail_if (data2 != bufdata + 10);
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/* flush some more */
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gst_adapter_flush (adapter, 500);
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/* see if we have 2 bytes available */
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avail = gst_adapter_available (adapter);
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fail_if (avail != 2);
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avail = gst_adapter_available_fast (adapter);
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fail_if (avail != 2);
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data2 = gst_adapter_peek (adapter, 2);
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fail_if (data2 == NULL);
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fail_if (data2 != data1 + 510);
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fail_if (data2 != bufdata + 510);
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/* flush some more */
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gst_adapter_flush (adapter, 2);
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/* see if we have 0 bytes available */
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avail = gst_adapter_available (adapter);
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fail_if (avail != 0);
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avail = gst_adapter_available_fast (adapter);
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fail_if (avail != 0);
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/* silly clear just for fun */
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gst_adapter_clear (adapter);
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g_object_unref (adapter);
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}
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GST_END_TEST;
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/* Start peeking on an adapter with 2 non-mergeable buffers
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* pushed.
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*/
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GST_START_TEST (test_peek2)
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{
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}
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GST_END_TEST;
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/* Start peeking on an adapter with 2 mergeable buffers
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* pushed.
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*/
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GST_START_TEST (test_peek3)
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{
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}
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GST_END_TEST;
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/* take data from an adapter with 1 buffer pushed.
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*/
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GST_START_TEST (test_take1)
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{
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GstAdapter *adapter;
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GstBuffer *buffer, *buffer2;
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guint avail;
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guint8 *data, *data2;
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adapter = gst_adapter_new ();
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fail_unless (adapter != NULL);
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buffer = gst_buffer_new_and_alloc (100);
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fail_unless (buffer != NULL);
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fail_unless (GST_BUFFER_DATA (buffer) != NULL);
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fail_unless (GST_BUFFER_SIZE (buffer) == 100);
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data = GST_BUFFER_DATA (buffer);
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/* push in the adapter */
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gst_adapter_push (adapter, buffer);
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avail = gst_adapter_available (adapter);
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fail_unless (avail == 100);
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/* take out buffer */
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buffer2 = gst_adapter_take_buffer (adapter, 100);
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fail_unless (buffer2 != NULL);
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fail_unless (GST_BUFFER_DATA (buffer2) != NULL);
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fail_unless (GST_BUFFER_SIZE (buffer2) == 100);
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data2 = GST_BUFFER_DATA (buffer2);
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avail = gst_adapter_available (adapter);
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fail_unless (avail == 0);
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/* the buffer should be the same */
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fail_unless (buffer == buffer2);
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fail_unless (data == data2);
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gst_buffer_unref (buffer2);
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g_object_unref (adapter);
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}
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GST_END_TEST;
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/* take data from an adapter with 2 non-mergeable buffers
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* pushed.
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*/
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GST_START_TEST (test_take2)
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{
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}
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GST_END_TEST;
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/* take data from an adapter with 2 mergeable buffers
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* pushed.
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*/
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GST_START_TEST (test_take3)
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{
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}
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GST_END_TEST;
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static GstAdapter *
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create_and_fill_adapter (void)
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{
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GstAdapter *adapter;
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gint i, j;
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adapter = gst_adapter_new ();
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fail_unless (adapter != NULL);
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for (i = 0; i < 10000; i += 4) {
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GstBuffer *buf = gst_buffer_new_and_alloc (sizeof (guint32) * 4);
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guint8 *data;
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fail_unless (buf != NULL);
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data = GST_BUFFER_DATA (buf);
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for (j = 0; j < 4; j++) {
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GST_WRITE_UINT32_LE (data, i + j);
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data += sizeof (guint32);
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}
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gst_adapter_push (adapter, buf);
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}
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return adapter;
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}
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/* Fill a buffer with a sequence of 32 bit ints and read them back out,
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* checking that they're still in the right order */
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GST_START_TEST (test_take_order)
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{
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GstAdapter *adapter;
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int i = 0;
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adapter = create_and_fill_adapter ();
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while (gst_adapter_available (adapter) >= sizeof (guint32)) {
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guint8 *data = gst_adapter_take (adapter, sizeof (guint32));
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fail_unless (GST_READ_UINT32_LE (data) == i);
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i++;
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g_free (data);
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}
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fail_unless (gst_adapter_available (adapter) == 0,
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"Data was left in the adapter");
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g_object_unref (adapter);
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}
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GST_END_TEST;
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/* Fill a buffer with a sequence of 32 bit ints and read them back out
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* using take_buffer, checking that they're still in the right order */
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GST_START_TEST (test_take_buf_order)
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{
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GstAdapter *adapter;
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int i = 0;
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adapter = create_and_fill_adapter ();
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while (gst_adapter_available (adapter) >= sizeof (guint32)) {
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GstBuffer *buf = gst_adapter_take_buffer (adapter, sizeof (guint32));
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fail_unless (GST_READ_UINT32_LE (GST_BUFFER_DATA (buf)) == i);
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i++;
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gst_buffer_unref (buf);
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}
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fail_unless (gst_adapter_available (adapter) == 0,
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"Data was left in the adapter");
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g_object_unref (adapter);
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}
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GST_END_TEST;
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GST_START_TEST (test_timestamp)
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{
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GstAdapter *adapter;
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GstBuffer *buffer;
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guint avail;
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GstClockTime timestamp;
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guint64 dist;
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adapter = gst_adapter_new ();
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fail_unless (adapter != NULL);
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buffer = gst_buffer_new_and_alloc (100);
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/* push in the adapter */
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gst_adapter_push (adapter, buffer);
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avail = gst_adapter_available (adapter);
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fail_unless (avail == 100);
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/* timestamp is now undefined */
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timestamp = gst_adapter_prev_timestamp (adapter, &dist);
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fail_unless (timestamp == GST_CLOCK_TIME_NONE);
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fail_unless (dist == 0);
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gst_adapter_flush (adapter, 50);
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avail = gst_adapter_available (adapter);
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fail_unless (avail == 50);
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/* still undefined, dist changed, though */
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timestamp = gst_adapter_prev_timestamp (adapter, &dist);
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fail_unless (timestamp == GST_CLOCK_TIME_NONE);
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fail_unless (dist == 50);
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buffer = gst_buffer_new_and_alloc (100);
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GST_BUFFER_TIMESTAMP (buffer) = 1 * GST_SECOND;
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/* push in the adapter */
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gst_adapter_push (adapter, buffer);
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avail = gst_adapter_available (adapter);
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fail_unless (avail == 150);
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/* timestamp is still undefined */
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timestamp = gst_adapter_prev_timestamp (adapter, &dist);
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fail_unless (timestamp == GST_CLOCK_TIME_NONE);
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fail_unless (dist == 50);
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/* flush out first buffer we are now at the second buffer timestamp */
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gst_adapter_flush (adapter, 50);
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avail = gst_adapter_available (adapter);
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fail_unless (avail == 100);
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timestamp = gst_adapter_prev_timestamp (adapter, &dist);
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fail_unless (timestamp == 1 * GST_SECOND);
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fail_unless (dist == 0);
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/* move some more, still the same timestamp but further away */
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gst_adapter_flush (adapter, 50);
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avail = gst_adapter_available (adapter);
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fail_unless (avail == 50);
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timestamp = gst_adapter_prev_timestamp (adapter, &dist);
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fail_unless (timestamp == 1 * GST_SECOND);
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fail_unless (dist == 50);
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/* push a buffer without timestamp in the adapter */
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buffer = gst_buffer_new_and_alloc (100);
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gst_adapter_push (adapter, buffer);
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avail = gst_adapter_available (adapter);
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fail_unless (avail == 150);
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/* push a buffer with timestamp in the adapter */
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buffer = gst_buffer_new_and_alloc (100);
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GST_BUFFER_TIMESTAMP (buffer) = 2 * GST_SECOND;
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gst_adapter_push (adapter, buffer);
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avail = gst_adapter_available (adapter);
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fail_unless (avail == 250);
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/* timestamp still as it was before the push */
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timestamp = gst_adapter_prev_timestamp (adapter, &dist);
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fail_unless (timestamp == 1 * GST_SECOND);
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fail_unless (dist == 50);
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/* flush away buffer with the timestamp */
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gst_adapter_flush (adapter, 50);
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avail = gst_adapter_available (adapter);
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fail_unless (avail == 200);
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timestamp = gst_adapter_prev_timestamp (adapter, &dist);
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fail_unless (timestamp == 1 * GST_SECOND);
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fail_unless (dist == 100);
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/* move into the second buffer */
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gst_adapter_flush (adapter, 50);
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avail = gst_adapter_available (adapter);
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fail_unless (avail == 150);
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timestamp = gst_adapter_prev_timestamp (adapter, &dist);
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fail_unless (timestamp == 1 * GST_SECOND);
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fail_unless (dist == 150);
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/* move to third buffer we move to the new timestamp */
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gst_adapter_flush (adapter, 50);
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avail = gst_adapter_available (adapter);
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fail_unless (avail == 100);
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timestamp = gst_adapter_prev_timestamp (adapter, &dist);
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fail_unless (timestamp == 2 * GST_SECOND);
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fail_unless (dist == 0);
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/* move everything out */
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gst_adapter_flush (adapter, 100);
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avail = gst_adapter_available (adapter);
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fail_unless (avail == 0);
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timestamp = gst_adapter_prev_timestamp (adapter, &dist);
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fail_unless (timestamp == 2 * GST_SECOND);
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fail_unless (dist == 100);
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/* clear everything */
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gst_adapter_clear (adapter);
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avail = gst_adapter_available (adapter);
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fail_unless (avail == 0);
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timestamp = gst_adapter_prev_timestamp (adapter, &dist);
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fail_unless (timestamp == GST_CLOCK_TIME_NONE);
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fail_unless (dist == 0);
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g_object_unref (adapter);
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}
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GST_END_TEST;
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GST_START_TEST (test_scan)
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{
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GstAdapter *adapter;
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GstBuffer *buffer;
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guint8 *data;
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guint offset;
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guint i;
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adapter = gst_adapter_new ();
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fail_unless (adapter != NULL);
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buffer = gst_buffer_new_and_alloc (100);
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data = GST_BUFFER_DATA (buffer);
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/* fill with pattern */
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for (i = 0; i < 100; i++)
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data[i] = i;
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gst_adapter_push (adapter, buffer);
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/* find first bytes */
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offset =
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gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x00010203, 0, 100);
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fail_unless (offset == 0);
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offset =
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gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x01020304, 0, 100);
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fail_unless (offset == 1);
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offset =
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gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x01020304, 1, 99);
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fail_unless (offset == 1);
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/* offset is past the pattern start */
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offset =
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gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x01020304, 2, 98);
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fail_unless (offset == -1);
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/* not enough bytes to find the pattern */
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offset =
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gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x02030405, 2, 3);
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fail_unless (offset == -1);
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offset =
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gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x02030405, 2, 4);
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fail_unless (offset == 2);
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/* size does not include the last scanned byte */
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offset =
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gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x40414243, 0, 0x41);
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fail_unless (offset == -1);
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offset =
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gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x40414243, 0, 0x43);
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fail_unless (offset == -1);
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offset =
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gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x40414243, 0, 0x44);
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fail_unless (offset == 0x40);
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/* past the start */
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offset =
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gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x40414243, 65, 10);
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fail_unless (offset == -1);
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offset =
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gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x40414243, 64, 5);
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fail_unless (offset == 64);
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offset =
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gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x60616263, 65, 35);
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fail_unless (offset == 0x60);
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offset =
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gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x60616263, 0x60, 4);
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fail_unless (offset == 0x60);
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/* past the start */
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offset =
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gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x60616263, 0x61, 3);
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fail_unless (offset == -1);
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offset =
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gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x60616263, 99, 1);
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fail_unless (offset == -1);
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/* add another buffer */
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buffer = gst_buffer_new_and_alloc (100);
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data = GST_BUFFER_DATA (buffer);
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/* fill with pattern */
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for (i = 0; i < 100; i++)
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data[i] = i + 100;
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gst_adapter_push (adapter, buffer);
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/* past the start */
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offset =
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gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x60616263, 0x61, 6);
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fail_unless (offset == -1);
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/* this should work */
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offset =
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gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x61626364, 0x61, 4);
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fail_unless (offset == 0x61);
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/* not enough data */
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offset =
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gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x62636465, 0x61, 4);
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fail_unless (offset == -1);
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offset =
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gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x62636465, 0x61, 5);
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fail_unless (offset == 0x62);
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offset =
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gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x62636465, 0, 120);
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fail_unless (offset == 0x62);
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/* border conditions */
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|
offset =
|
|
gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x62636465, 0, 200);
|
|
fail_unless (offset == 0x62);
|
|
offset =
|
|
gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x63646566, 0, 200);
|
|
fail_unless (offset == 0x63);
|
|
/* we completely searched the first list */
|
|
offset =
|
|
gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x64656667, 0, 200);
|
|
fail_unless (offset == 0x64);
|
|
/* skip first buffer */
|
|
offset =
|
|
gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x64656667, 0x64,
|
|
100);
|
|
fail_unless (offset == 0x64);
|
|
/* past the start */
|
|
offset =
|
|
gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x64656667, 0x65,
|
|
10);
|
|
fail_unless (offset == -1);
|
|
/* not enough data to scan */
|
|
offset =
|
|
gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x64656667, 0x63, 4);
|
|
fail_unless (offset == -1);
|
|
offset =
|
|
gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x64656667, 0x63, 5);
|
|
fail_unless (offset == 0x64);
|
|
offset =
|
|
gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0xc4c5c6c7, 0, 199);
|
|
fail_unless (offset == -1);
|
|
offset =
|
|
gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0xc4c5c6c7, 0x62,
|
|
102);
|
|
fail_unless (offset == 0xc4);
|
|
/* different masks */
|
|
offset =
|
|
gst_adapter_masked_scan_uint32 (adapter, 0x00ffffff, 0x00656667, 0x64,
|
|
100);
|
|
fail_unless (offset == 0x64);
|
|
offset =
|
|
gst_adapter_masked_scan_uint32 (adapter, 0x000000ff, 0x00000000, 0, 100);
|
|
fail_unless (offset == -1);
|
|
offset =
|
|
gst_adapter_masked_scan_uint32 (adapter, 0x000000ff, 0x00000003, 0, 100);
|
|
fail_unless (offset == 0);
|
|
offset =
|
|
gst_adapter_masked_scan_uint32 (adapter, 0x000000ff, 0x00000061, 0x61,
|
|
100);
|
|
fail_unless (offset == -1);
|
|
offset =
|
|
gst_adapter_masked_scan_uint32 (adapter, 0xff000000, 0x61000000, 0, 0x62);
|
|
fail_unless (offset == -1);
|
|
/* does not even exist */
|
|
offset =
|
|
gst_adapter_masked_scan_uint32 (adapter, 0x00ffffff, 0xffffffff, 0x65,
|
|
99);
|
|
fail_unless (offset == -1);
|
|
|
|
/* flush some bytes */
|
|
gst_adapter_flush (adapter, 0x20);
|
|
|
|
offset =
|
|
gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x20212223, 0, 100);
|
|
fail_unless (offset == 0);
|
|
offset =
|
|
gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x20212223, 0, 4);
|
|
fail_unless (offset == 0);
|
|
offset =
|
|
gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0xc4c5c6c7, 0x62,
|
|
70);
|
|
fail_unless (offset == 0xa4);
|
|
offset =
|
|
gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0xc4c5c6c7, 0, 168);
|
|
fail_unless (offset == 0xa4);
|
|
|
|
offset =
|
|
gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0xc4c5c6c7, 164, 4);
|
|
fail_unless (offset == 0xa4);
|
|
offset =
|
|
gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0xc4c5c6c7, 0x44,
|
|
100);
|
|
fail_unless (offset == 0xa4);
|
|
/* not enough bytes */
|
|
offset =
|
|
gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0xc4c5c6c7, 0x44,
|
|
99);
|
|
fail_unless (offset == -1);
|
|
|
|
g_object_unref (adapter);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
static Suite *
|
|
gst_adapter_suite (void)
|
|
{
|
|
Suite *s = suite_create ("adapter");
|
|
TCase *tc_chain = tcase_create ("general");
|
|
|
|
suite_add_tcase (s, tc_chain);
|
|
tcase_add_test (tc_chain, test_peek1);
|
|
tcase_add_test (tc_chain, test_peek2);
|
|
tcase_add_test (tc_chain, test_peek3);
|
|
tcase_add_test (tc_chain, test_take1);
|
|
tcase_add_test (tc_chain, test_take2);
|
|
tcase_add_test (tc_chain, test_take3);
|
|
tcase_add_test (tc_chain, test_take_order);
|
|
tcase_add_test (tc_chain, test_take_buf_order);
|
|
tcase_add_test (tc_chain, test_timestamp);
|
|
tcase_add_test (tc_chain, test_scan);
|
|
|
|
return s;
|
|
}
|
|
|
|
GST_CHECK_MAIN (gst_adapter);
|