mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-07-29 17:55:07 +00:00
c4751ec8c1
This reverts commit 9ef1346b1f.
Way to much for one commit and I'm not sure we want to get rid of the pad caps
just like that. It's nice to have the buffer and its type in onw nice bundle
without having to drag the complete context with it.
509 lines
16 KiB
C
509 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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gsize size, maxsize, ssize;
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guint8 *data, *sdata;
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buffer = gst_buffer_new_and_alloc (4);
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/* check sizes, buffer starts out empty */
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data = gst_buffer_map (buffer, &size, &maxsize, GST_MAP_WRITE);
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fail_unless (size == 4, "buffer has wrong size");
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fail_unless (maxsize >= 4, "buffer has wrong size");
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memset (data, 0, 4);
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gst_buffer_unmap (buffer, data, 4);
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data = gst_buffer_map (buffer, &size, NULL, GST_MAP_READ);
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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_copy_region (buffer, GST_BUFFER_COPY_ALL, 1, 2);
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fail_if (sub == NULL, "copy region of buffer returned NULL");
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sdata = gst_buffer_map (sub, &ssize, NULL, GST_MAP_READ);
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fail_unless (ssize == 2, "subbuffer has wrong size");
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fail_unless (memcmp (data + 1, sdata, 2) == 0,
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"subbuffer contains the wrong data");
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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_unmap (sub, sdata, ssize);
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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_copy_region (buffer, GST_BUFFER_COPY_ALL, 1, 0);
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fail_if (sub == NULL, "copy_region of buffer returned NULL");
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sdata = gst_buffer_map (sub, &ssize, NULL, GST_MAP_READ);
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fail_unless (ssize == 0, "subbuffer has wrong size");
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fail_unless (memcmp (data + 1, sdata, 0) == 0,
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"subbuffer contains the wrong data");
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ASSERT_BUFFER_REFCOUNT (sub, "subbuffer", 1);
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gst_buffer_unmap (sub, sdata, ssize);
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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_copy_region (buffer, GST_BUFFER_COPY_ALL, 0, 1);
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fail_if (sub == NULL, "copy_region of buffer returned NULL");
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fail_unless (gst_buffer_get_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_copy_region (buffer, GST_BUFFER_COPY_ALL, 0, 4);
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fail_if (sub == NULL, "copy_region of buffer returned NULL");
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fail_unless (gst_buffer_get_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_unmap (buffer, data, size);
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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_copy_region (buffer, GST_BUFFER_COPY_ALL, 0, 2);
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fail_if (sub1 == NULL, "copy_region of buffer returned NULL");
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sub2 = gst_buffer_copy_region (buffer, GST_BUFFER_COPY_ALL, 2, 2);
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fail_if (sub2 == NULL, "copy_region 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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guint8 *data;
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gsize size;
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buffer = gst_buffer_new_and_alloc (4);
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data = gst_buffer_map (buffer, &size, NULL, GST_MAP_WRITE);
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memcpy (data, "data", 4);
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gst_buffer_unmap (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_copy_region (buffer, GST_BUFFER_COPY_ALL, 0, 2);
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fail_if (sub1 == NULL, "copy_region of buffer returned NULL");
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sub2 = gst_buffer_copy_region (buffer, GST_BUFFER_COPY_ALL, 2, 2);
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fail_if (sub2 == NULL, "copy_region of buffer returned NULL");
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ASSERT_BUFFER_REFCOUNT (buffer, "parent", 1);
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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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data = gst_buffer_map (span, &size, NULL, GST_MAP_READ);
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fail_unless (size == 4, "spanned buffer is wrong size");
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ASSERT_BUFFER_REFCOUNT (buffer, "parent", 1);
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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 (data, "data", 4) == 0,
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"spanned buffer contains the wrong data");
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gst_buffer_unmap (span, data, size);
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gst_buffer_unref (span);
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ASSERT_BUFFER_REFCOUNT (buffer, "parent", 1);
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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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data = gst_buffer_map (span, &size, NULL, GST_MAP_READ);
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fail_unless (size == 4, "spanned buffer is wrong size");
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ASSERT_BUFFER_REFCOUNT (buffer, "parent", 1);
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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 (data, "tada", 4) == 0,
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"spanned buffer contains the wrong data");
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gst_buffer_unmap (span, data, size);
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gst_buffer_unref (span);
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ASSERT_BUFFER_REFCOUNT (buffer, "parent", 1);
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/* span with different sizes */
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span = gst_buffer_span (sub1, 1, sub2, 3);
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data = gst_buffer_map (span, &size, NULL, GST_MAP_READ);
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fail_unless (size == 3, "spanned buffer is wrong size");
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ASSERT_BUFFER_REFCOUNT (buffer, "parent", 1);
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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 (data, "ata", 3) == 0,
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"spanned buffer contains the wrong data");
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gst_buffer_unmap (span, data, size);
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gst_buffer_unref (span);
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ASSERT_BUFFER_REFCOUNT (buffer, "parent", 1);
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span = gst_buffer_span (sub2, 0, sub1, 3);
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data = gst_buffer_map (span, &size, NULL, GST_MAP_READ);
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fail_unless (size == 3, "spanned buffer is wrong size");
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ASSERT_BUFFER_REFCOUNT (buffer, "parent", 1);
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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 (data, "tad", 3) == 0,
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"spanned buffer contains the wrong data");
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gst_buffer_unmap (span, data, size);
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gst_buffer_unref (span);
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ASSERT_BUFFER_REFCOUNT (buffer, "parent", 1);
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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_take_memory (buf,
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gst_memory_new_wrapped (GST_MEMORY_FLAG_READONLY,
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(gpointer) ro_memory, NULL,
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sizeof (ro_memory), 0, sizeof (ro_memory)));
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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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guint8 *data;
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gsize size;
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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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data = gst_buffer_map (buf, &size, NULL, GST_MAP_WRITE);
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data[4] = 'a';
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gst_buffer_unmap (buf, data, size);
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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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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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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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guint8 *data;
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gsize size;
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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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sub_buf = gst_buffer_copy_region (buf, GST_BUFFER_COPY_ALL, 0, 8);
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data = gst_buffer_map (sub_buf, &size, NULL, GST_MAP_WRITE);
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fail_if (data == NULL);
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data[4] = 'a';
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gst_buffer_unmap (sub_buf, data, size);
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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_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_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_writable (buffer);
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fail_if (sub1 == buffer);
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fail_unless (gst_buffer_is_writable (sub1) == TRUE);
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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_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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gsize size, ssize;
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guint8 *data, *sdata;
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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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/* buffers are copied and must point to different memory */
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fail_if (buffer == copy);
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data = gst_buffer_map (buffer, &size, NULL, GST_MAP_READ);
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sdata = gst_buffer_map (copy, &ssize, NULL, GST_MAP_READ);
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/* NOTE that data is refcounted */
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fail_unless (size == ssize);
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gst_buffer_unmap (copy, sdata, ssize);
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gst_buffer_unmap (buffer, data, size);
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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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data = gst_buffer_map (buffer, &size, NULL, GST_MAP_READ);
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fail_unless (data == NULL);
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gst_buffer_unmap (buffer, data, size);
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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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data = gst_buffer_map (copy, &size, NULL, GST_MAP_READ);
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fail_unless (data == NULL);
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gst_buffer_unmap (copy, data, size);
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gst_buffer_unref (copy);
|
|
gst_buffer_unref (buffer);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
GST_START_TEST (test_try_new_and_alloc)
|
|
{
|
|
GstBuffer *buf;
|
|
gsize size;
|
|
guint8 *data;
|
|
|
|
/* 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));
|
|
data = gst_buffer_map (buf, &size, NULL, GST_MAP_READ);
|
|
fail_unless (data == NULL);
|
|
gst_buffer_unmap (buf, data, size);
|
|
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));
|
|
data = gst_buffer_map (buf, &size, NULL, GST_MAP_WRITE);
|
|
fail_unless (data != NULL);
|
|
fail_unless (size == (640 * 480 * 4));
|
|
data[640 * 479 * 4 + 479] = 0xff;
|
|
gst_buffer_unmap (buf, data, size);
|
|
|
|
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_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);
|