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474 lines
16 KiB
C
474 lines
16 KiB
C
/* GStreamer
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*
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* unit test for GstBuffer
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*
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* Copyright (C) <2005> Thomas Vander Stichele <thomas at apestaart dot org>
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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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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_VALGRIND_H
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# include <valgrind/valgrind.h>
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#else
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# define RUNNING_ON_VALGRIND FALSE
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#endif
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#include <gst/check/gstcheck.h>
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GST_START_TEST (test_caps)
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{
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GstBuffer *buffer;
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GstCaps *caps, *caps2;
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buffer = gst_buffer_new_and_alloc (4);
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caps = gst_caps_from_string ("audio/x-raw-int");
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ASSERT_CAPS_REFCOUNT (caps, "caps", 1);
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fail_unless (GST_BUFFER_CAPS (buffer) == NULL);
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gst_buffer_set_caps (buffer, caps);
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ASSERT_CAPS_REFCOUNT (caps, "caps", 2);
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fail_unless (GST_BUFFER_CAPS (buffer) == caps);
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ASSERT_CAPS_REFCOUNT (caps, "caps", 2);
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fail_unless (gst_buffer_get_caps (buffer) == caps);
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gst_caps_unref (caps);
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ASSERT_CAPS_REFCOUNT (caps, "caps", 2);
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caps2 = gst_caps_from_string ("audio/x-raw-float");
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ASSERT_CAPS_REFCOUNT (caps2, "caps2", 1);
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gst_buffer_set_caps (buffer, caps2);
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ASSERT_CAPS_REFCOUNT (caps, "caps", 1);
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ASSERT_CAPS_REFCOUNT (caps2, "caps2", 2);
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gst_buffer_set_caps (buffer, NULL);
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ASSERT_CAPS_REFCOUNT (caps, "caps", 1);
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ASSERT_CAPS_REFCOUNT (caps2, "caps2", 1);
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/* clean up, with caps2 still set as caps */
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gst_buffer_set_caps (buffer, caps2);
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ASSERT_CAPS_REFCOUNT (caps2, "caps2", 2);
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gst_buffer_unref (buffer);
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ASSERT_CAPS_REFCOUNT (caps2, "caps2", 1);
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gst_caps_unref (caps);
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gst_caps_unref (caps2);
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}
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GST_END_TEST;
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GST_START_TEST (test_subbuffer)
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{
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GstBuffer *buffer, *sub;
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buffer = gst_buffer_new_and_alloc (4);
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memset (GST_BUFFER_DATA (buffer), 0, 4);
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/* set some metadata */
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GST_BUFFER_TIMESTAMP (buffer) = 1;
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GST_BUFFER_DURATION (buffer) = 2;
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GST_BUFFER_OFFSET (buffer) = 3;
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GST_BUFFER_OFFSET_END (buffer) = 4;
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sub = gst_buffer_create_sub (buffer, 1, 2);
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fail_if (sub == NULL, "create_sub of buffer returned NULL");
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fail_unless (GST_BUFFER_SIZE (sub) == 2, "subbuffer has wrong size");
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fail_unless (memcmp (GST_BUFFER_DATA (buffer) + 1, GST_BUFFER_DATA (sub),
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2) == 0, "subbuffer contains the wrong data");
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ASSERT_BUFFER_REFCOUNT (buffer, "parent", 2);
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ASSERT_BUFFER_REFCOUNT (sub, "subbuffer", 1);
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fail_unless (GST_BUFFER_TIMESTAMP (sub) == -1,
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"subbuffer has wrong timestamp");
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fail_unless (GST_BUFFER_DURATION (sub) == -1, "subbuffer has wrong duration");
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fail_unless (GST_BUFFER_OFFSET (sub) == -1, "subbuffer has wrong offset");
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fail_unless (GST_BUFFER_OFFSET_END (sub) == -1,
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"subbuffer has wrong offset end");
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gst_buffer_unref (sub);
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/* create a subbuffer of size 0 */
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sub = gst_buffer_create_sub (buffer, 1, 0);
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fail_if (sub == NULL, "create_sub of buffer returned NULL");
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fail_unless (GST_BUFFER_SIZE (sub) == 0, "subbuffer has wrong size");
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fail_unless (memcmp (GST_BUFFER_DATA (buffer) + 1, GST_BUFFER_DATA (sub),
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0) == 0, "subbuffer contains the wrong data");
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ASSERT_BUFFER_REFCOUNT (buffer, "parent", 2);
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ASSERT_BUFFER_REFCOUNT (sub, "subbuffer", 1);
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gst_buffer_unref (sub);
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/* test if metadata is coppied, not a complete buffer copy so only the
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* timestamp and offset fields are copied. */
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sub = gst_buffer_create_sub (buffer, 0, 1);
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fail_if (sub == NULL, "create_sub of buffer returned NULL");
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fail_unless (GST_BUFFER_SIZE (sub) == 1, "subbuffer has wrong size");
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fail_unless (GST_BUFFER_TIMESTAMP (sub) == 1,
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"subbuffer has wrong timestamp");
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fail_unless (GST_BUFFER_OFFSET (sub) == 3, "subbuffer has wrong offset");
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fail_unless (GST_BUFFER_DURATION (sub) == -1, "subbuffer has wrong duration");
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fail_unless (GST_BUFFER_OFFSET_END (sub) == -1,
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"subbuffer has wrong offset end");
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gst_buffer_unref (sub);
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/* test if metadata is coppied, a complete buffer is copied so all the timing
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* fields should be copied. */
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sub = gst_buffer_create_sub (buffer, 0, 4);
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fail_if (sub == NULL, "create_sub of buffer returned NULL");
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fail_unless (GST_BUFFER_SIZE (sub) == 4, "subbuffer has wrong size");
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fail_unless (GST_BUFFER_TIMESTAMP (sub) == 1,
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"subbuffer has wrong timestamp");
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fail_unless (GST_BUFFER_DURATION (sub) == 2, "subbuffer has wrong duration");
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fail_unless (GST_BUFFER_OFFSET (sub) == 3, "subbuffer has wrong offset");
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fail_unless (GST_BUFFER_OFFSET_END (sub) == 4,
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"subbuffer has wrong offset end");
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/* clean up */
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gst_buffer_unref (sub);
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gst_buffer_unref (buffer);
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}
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GST_END_TEST;
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GST_START_TEST (test_is_span_fast)
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{
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GstBuffer *buffer, *sub1, *sub2;
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buffer = gst_buffer_new_and_alloc (4);
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sub1 = gst_buffer_create_sub (buffer, 0, 2);
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fail_if (sub1 == NULL, "create_sub of buffer returned NULL");
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sub2 = gst_buffer_create_sub (buffer, 2, 2);
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fail_if (sub2 == NULL, "create_sub of buffer returned NULL");
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fail_if (gst_buffer_is_span_fast (buffer, sub2) == TRUE,
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"a parent buffer can't be span_fasted");
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fail_if (gst_buffer_is_span_fast (sub1, buffer) == TRUE,
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"a parent buffer can't be span_fasted");
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fail_if (gst_buffer_is_span_fast (sub1, sub2) == FALSE,
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"two subbuffers next to each other should be span_fast");
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/* clean up */
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gst_buffer_unref (sub1);
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gst_buffer_unref (sub2);
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gst_buffer_unref (buffer);
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}
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GST_END_TEST;
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GST_START_TEST (test_span)
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{
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GstBuffer *buffer, *sub1, *sub2, *span;
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buffer = gst_buffer_new_and_alloc (4);
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memcpy (GST_BUFFER_DATA (buffer), "data", 4);
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ASSERT_CRITICAL (gst_buffer_span (NULL, 1, NULL, 2));
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ASSERT_CRITICAL (gst_buffer_span (buffer, 1, NULL, 2));
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ASSERT_CRITICAL (gst_buffer_span (NULL, 1, buffer, 2));
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ASSERT_CRITICAL (gst_buffer_span (buffer, 0, buffer, 10));
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sub1 = gst_buffer_create_sub (buffer, 0, 2);
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fail_if (sub1 == NULL, "create_sub of buffer returned NULL");
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sub2 = gst_buffer_create_sub (buffer, 2, 2);
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fail_if (sub2 == NULL, "create_sub of buffer returned NULL");
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ASSERT_BUFFER_REFCOUNT (buffer, "parent", 3);
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ASSERT_BUFFER_REFCOUNT (sub1, "sub1", 1);
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ASSERT_BUFFER_REFCOUNT (sub2, "sub2", 1);
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/* span will create a new subbuffer from the parent */
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span = gst_buffer_span (sub1, 0, sub2, 4);
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fail_unless (GST_BUFFER_SIZE (span) == 4, "spanned buffer is wrong size");
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ASSERT_BUFFER_REFCOUNT (buffer, "parent", 4);
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ASSERT_BUFFER_REFCOUNT (sub1, "sub1", 1);
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ASSERT_BUFFER_REFCOUNT (sub2, "sub2", 1);
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ASSERT_BUFFER_REFCOUNT (span, "span", 1);
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fail_unless (memcmp (GST_BUFFER_DATA (span), "data", 4) == 0,
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"spanned buffer contains the wrong data");
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gst_buffer_unref (span);
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ASSERT_BUFFER_REFCOUNT (buffer, "parent", 3);
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/* span from non-contiguous buffers will create new buffers */
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span = gst_buffer_span (sub2, 0, sub1, 4);
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fail_unless (GST_BUFFER_SIZE (span) == 4, "spanned buffer is wrong size");
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ASSERT_BUFFER_REFCOUNT (buffer, "parent", 3);
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ASSERT_BUFFER_REFCOUNT (sub1, "sub1", 1);
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ASSERT_BUFFER_REFCOUNT (sub2, "sub2", 1);
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ASSERT_BUFFER_REFCOUNT (span, "span", 1);
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fail_unless (memcmp (GST_BUFFER_DATA (span), "tada", 4) == 0,
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"spanned buffer contains the wrong data");
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gst_buffer_unref (span);
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ASSERT_BUFFER_REFCOUNT (buffer, "parent", 3);
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/* span with different sizes */
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span = gst_buffer_span (sub1, 1, sub2, 3);
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fail_unless (GST_BUFFER_SIZE (span) == 3, "spanned buffer is wrong size");
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ASSERT_BUFFER_REFCOUNT (buffer, "parent", 4);
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ASSERT_BUFFER_REFCOUNT (sub1, "sub1", 1);
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ASSERT_BUFFER_REFCOUNT (sub2, "sub2", 1);
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ASSERT_BUFFER_REFCOUNT (span, "span", 1);
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fail_unless (memcmp (GST_BUFFER_DATA (span), "ata", 3) == 0,
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"spanned buffer contains the wrong data");
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gst_buffer_unref (span);
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ASSERT_BUFFER_REFCOUNT (buffer, "parent", 3);
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span = gst_buffer_span (sub2, 0, sub1, 3);
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fail_unless (GST_BUFFER_SIZE (span) == 3, "spanned buffer is wrong size");
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ASSERT_BUFFER_REFCOUNT (buffer, "parent", 3);
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ASSERT_BUFFER_REFCOUNT (sub1, "sub1", 1);
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ASSERT_BUFFER_REFCOUNT (sub2, "sub2", 1);
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ASSERT_BUFFER_REFCOUNT (span, "span", 1);
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fail_unless (memcmp (GST_BUFFER_DATA (span), "tad", 3) == 0,
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"spanned buffer contains the wrong data");
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gst_buffer_unref (span);
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ASSERT_BUFFER_REFCOUNT (buffer, "parent", 3);
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/* clean up */
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gst_buffer_unref (sub1);
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gst_buffer_unref (sub2);
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gst_buffer_unref (buffer);
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}
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GST_END_TEST;
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static const char ro_memory[] = "abcdefghijklmnopqrstuvwxyz";
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static GstBuffer *
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create_read_only_buffer (void)
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{
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GstBuffer *buf;
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buf = gst_buffer_new ();
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/* assign some read-only data to the new buffer */
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GST_BUFFER_DATA (buf) = (guint8 *) ro_memory;
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GST_BUFFER_SIZE (buf) = sizeof (ro_memory);
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GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_READONLY);
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return buf;
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}
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GST_START_TEST (test_make_writable)
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{
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GstBuffer *buf, *buf2;
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/* create read-only buffer and make it writable */
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buf = create_read_only_buffer ();
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fail_unless (GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_READONLY),
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"read-only buffer should have read-only flag set");
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buf = gst_buffer_make_writable (buf);
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fail_unless (!GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_READONLY),
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"writable buffer must not have read-only flag set");
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GST_BUFFER_DATA (buf)[4] = 'a';
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gst_buffer_unref (buf);
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/* alloc'ed buffer with refcount 1 should be writable */
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buf = gst_buffer_new_and_alloc (32);
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fail_unless (!GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_READONLY),
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"_new_and_alloc'ed buffer must not have read-only flag set");
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buf2 = gst_buffer_make_writable (buf);
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fail_unless (buf == buf2,
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"_make_writable() should have returned same buffer");
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gst_buffer_unref (buf2);
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/* alloc'ed buffer with refcount >1 should be copied */
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buf = gst_buffer_new_and_alloc (32);
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fail_unless (!GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_READONLY),
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"_new_and_alloc'ed buffer must not have read-only flag set");
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gst_buffer_ref (buf);
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buf2 = gst_buffer_make_writable (buf);
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fail_unless (buf != buf2, "_make_writable() should have returned a copy!");
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gst_buffer_unref (buf2);
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gst_buffer_unref (buf);
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}
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GST_END_TEST;
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GST_START_TEST (test_subbuffer_make_writable)
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{
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GstBuffer *buf, *sub_buf;
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/* create sub-buffer of read-only buffer and make it writable */
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buf = create_read_only_buffer ();
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fail_unless (GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_READONLY),
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"read-only buffer should have read-only flag set");
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sub_buf = gst_buffer_create_sub (buf, 0, 8);
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fail_unless (GST_BUFFER_FLAG_IS_SET (sub_buf, GST_BUFFER_FLAG_READONLY),
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"sub-buffer of read-only buffer should have read-only flag set");
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sub_buf = gst_buffer_make_writable (sub_buf);
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fail_unless (!GST_BUFFER_FLAG_IS_SET (sub_buf, GST_BUFFER_FLAG_READONLY),
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"writable buffer must not have read-only flag set");
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GST_BUFFER_DATA (sub_buf)[4] = 'a';
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gst_buffer_unref (sub_buf);
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gst_buffer_unref (buf);
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}
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GST_END_TEST;
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GST_START_TEST (test_metadata_writable)
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{
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GstBuffer *buffer, *sub1;
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buffer = gst_buffer_new_and_alloc (4);
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GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DISCONT);
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GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT);
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/* Buffer with refcount 1 should have writable metadata */
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fail_unless (gst_buffer_is_metadata_writable (buffer) == TRUE);
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/* Check that a buffer with refcount 2 does not have writable metadata */
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gst_buffer_ref (buffer);
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ASSERT_BUFFER_REFCOUNT (buffer, "buffer", 2);
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fail_unless (gst_buffer_is_metadata_writable (buffer) == FALSE);
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/* Check that make_metadata_writable produces a new sub-buffer with
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* writable metadata. */
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sub1 = gst_buffer_make_metadata_writable (buffer);
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fail_if (sub1 == buffer);
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fail_unless (gst_buffer_is_metadata_writable (sub1) == TRUE);
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/* Check that the original metadata is still not writable
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* (subbuffer should be holding a reference, and so should we) */
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ASSERT_BUFFER_REFCOUNT (buffer, "buffer", 2);
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fail_unless (gst_buffer_is_metadata_writable (buffer) == FALSE);
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/* Check that make_metadata_writable() maintains the buffer flags */
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fail_unless (GST_BUFFER_FLAG_IS_SET (sub1, GST_BUFFER_FLAG_DISCONT));
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fail_unless (GST_BUFFER_FLAG_IS_SET (sub1, GST_BUFFER_FLAG_DELTA_UNIT));
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/* Unset flags on writable buffer, then make sure they're still
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* set on the original buffer */
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GST_BUFFER_FLAG_UNSET (sub1, GST_BUFFER_FLAG_DISCONT);
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GST_BUFFER_FLAG_UNSET (sub1, GST_BUFFER_FLAG_DELTA_UNIT);
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fail_unless (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DISCONT));
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fail_unless (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT));
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/* Drop the subbuffer and check that the metadata is now writable again */
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ASSERT_BUFFER_REFCOUNT (sub1, "sub1", 1);
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gst_buffer_unref (sub1);
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fail_unless (gst_buffer_is_metadata_writable (buffer) == TRUE);
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ASSERT_BUFFER_REFCOUNT (buffer, "buffer", 1);
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gst_buffer_unref (buffer);
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}
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GST_END_TEST;
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GST_START_TEST (test_copy)
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{
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GstBuffer *buffer, *copy;
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buffer = gst_buffer_new_and_alloc (4);
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ASSERT_BUFFER_REFCOUNT (buffer, "buffer", 1);
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copy = gst_buffer_copy (buffer);
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ASSERT_BUFFER_REFCOUNT (buffer, "buffer", 1);
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ASSERT_BUFFER_REFCOUNT (copy, "copy", 1);
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/* data must be copied and thus point to different memory */
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fail_if (GST_BUFFER_DATA (buffer) == GST_BUFFER_DATA (copy));
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gst_buffer_unref (copy);
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gst_buffer_unref (buffer);
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/* a 0-sized buffer has NULL data as per docs */
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buffer = gst_buffer_new_and_alloc (0);
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fail_unless (GST_BUFFER_DATA (buffer) == NULL);
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fail_unless (GST_BUFFER_SIZE (buffer) == 0);
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/* copying a 0-sized buffer should not crash and also set
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* the data member NULL. */
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copy = gst_buffer_copy (buffer);
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fail_unless (GST_BUFFER_DATA (copy) == NULL);
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fail_unless (GST_BUFFER_SIZE (copy) == 0);
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gst_buffer_unref (copy);
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gst_buffer_unref (buffer);
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}
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GST_END_TEST;
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GST_START_TEST (test_try_new_and_alloc)
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{
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GstBuffer *buf;
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/* special case: alloc of 0 bytes results in new buffer with NULL data */
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buf = gst_buffer_try_new_and_alloc (0);
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fail_unless (buf != NULL);
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fail_unless (GST_IS_BUFFER (buf));
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fail_unless (GST_BUFFER_SIZE (buf) == 0);
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fail_unless (GST_BUFFER_DATA (buf) == NULL);
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fail_unless (GST_BUFFER_MALLOCDATA (buf) == NULL);
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gst_buffer_unref (buf);
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/* normal alloc should still work */
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buf = gst_buffer_try_new_and_alloc (640 * 480 * 4);
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fail_unless (buf != NULL);
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fail_unless (GST_IS_BUFFER (buf));
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fail_unless (GST_BUFFER_SIZE (buf) == (640 * 480 * 4));
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fail_unless (GST_BUFFER_DATA (buf) != NULL);
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fail_unless (GST_BUFFER_MALLOCDATA (buf) != NULL);
|
|
GST_BUFFER_DATA (buf)[640 * 479 * 4 + 479] = 0xff;
|
|
gst_buffer_unref (buf);
|
|
|
|
#if 0
|
|
/* Disabled this part of the test, because it happily succeeds on 64-bit
|
|
* machines that have enough memory+swap, because the address space is large
|
|
* enough. There's not really any way to test the failure case except by
|
|
* allocating chunks of memory until it fails, which would suck. */
|
|
|
|
/* now this better fail (don't run in valgrind, it will abort
|
|
* or warn when passing silly arguments to malloc) */
|
|
if (!RUNNING_ON_VALGRIND) {
|
|
buf = gst_buffer_try_new_and_alloc ((guint) - 1);
|
|
fail_unless (buf == NULL);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
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_caps);
|
|
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_is_span_fast);
|
|
tcase_add_test (tc_chain, test_span);
|
|
tcase_add_test (tc_chain, test_metadata_writable);
|
|
tcase_add_test (tc_chain, test_copy);
|
|
tcase_add_test (tc_chain, test_try_new_and_alloc);
|
|
|
|
return s;
|
|
}
|
|
|
|
GST_CHECK_MAIN (gst_buffer);
|