3 * unit test for GstBitWriter
5 * Copyright (C) <2014> Intel Corporation
6 * Copyright (C) <2014> Sreerenj Balachandran <sreerenj.balachandran@intel.com>
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library; if not, write to the
20 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
21 * Boston, MA 02110-1301, USA.
29 #include <gst/check/gstcheck.h>
30 #include <gst/base/gstbitwriter.h>
31 #include <gst/base/gstbitreader.h>
32 #include "gst/glib-compat-private.h"
34 GST_START_TEST (test_initialization)
39 static guint8 sdata[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
41 gst_bit_writer_init_with_size (&writer, 4, FALSE);
42 /* should be aligned to 256 bytes */
43 fail_unless_equals_int (gst_bit_writer_get_remaining (&writer), 2048);
44 fail_unless_equals_int (gst_bit_writer_get_size (&writer), 0);
45 fail_unless_equals_int (gst_bit_writer_set_pos (&writer, 32), 1);
46 fail_unless_equals_int (gst_bit_writer_get_size (&writer), 32);
47 fail_unless_equals_int (gst_bit_writer_get_remaining (&writer), 2048 - 32);
48 gst_bit_writer_reset (&writer);
50 gst_bit_writer_init_with_data (&writer, sdata, 8, FALSE);
51 gst_bit_reader_init (&reader, sdata, 8);
52 fail_unless_equals_int (gst_bit_reader_get_size (&reader), 64);
53 fail_unless_equals_int (gst_bit_reader_get_remaining (&reader), 64);
54 gst_bit_writer_reset (&writer);
59 GST_START_TEST (test_data)
64 guint16 val_uint16 = 0;
65 guint32 val_uint32 = 0;
66 guint64 val_uint64 = 0;
67 static guint8 sdata[] = { 0xff, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 };
70 gst_bit_writer_init_with_size (&writer, 32, TRUE);
71 fail_unless_equals_int (gst_bit_writer_get_remaining (&writer), 2048);
73 fail_unless (gst_bit_writer_put_bits_uint8 (&writer, 0x3f, 6));
74 fail_unless (gst_bit_writer_put_bits_uint8 (&writer, 0x3, 2));
75 fail_unless (gst_bit_writer_put_bits_uint16 (&writer, 0x15, 5));
76 fail_unless (gst_bit_writer_put_bits_uint32 (&writer, 0x31, 10));
77 fail_unless (gst_bit_writer_put_bits_uint64 (&writer, 0x45, 48));
78 fail_unless_equals_int (gst_bit_writer_get_remaining (&writer), 2048 - 71);
79 fail_unless (gst_bit_writer_align_bytes (&writer, 0));
80 data = g_memdup2 (sdata, sizeof (sdata));
81 fail_unless (gst_bit_writer_put_bytes (&writer, data, sizeof (sdata)));
83 gst_bit_reader_init (&reader, gst_bit_writer_get_data (&writer), 256);
84 fail_unless_equals_int (gst_bit_reader_get_size (&reader), 256 * 8);
85 fail_unless (gst_bit_reader_get_bits_uint8 (&reader, &val_uint8, 6));
86 fail_unless_equals_int (val_uint8, 0x3f);
87 fail_unless (gst_bit_reader_get_bits_uint8 (&reader, &val_uint8, 2));
88 fail_unless_equals_int (val_uint8, 0x3);
89 fail_unless (gst_bit_reader_get_bits_uint16 (&reader, &val_uint16, 5));
90 fail_unless_equals_int_hex (val_uint16, 0x15);
91 fail_unless (gst_bit_reader_get_bits_uint32 (&reader, &val_uint32, 10));
92 fail_unless_equals_int_hex (val_uint32, 0x31);
93 fail_unless (gst_bit_reader_get_bits_uint64 (&reader, &val_uint64, 48));
94 fail_unless_equals_int_hex (val_uint64, 0x45);
95 fail_unless (gst_bit_reader_set_pos (&reader, 72));
97 for (i = 0; i < 8; i++) {
98 fail_unless (gst_bit_reader_get_bits_uint8 (&reader, &val_uint8, 8));
99 fail_unless (memcmp (&val_uint8, &data[i], 1) == 0);
103 gst_bit_writer_reset (&writer);
108 GST_START_TEST (test_reset)
110 GstBitWriter writer, *writer2;
114 static guint8 sdata[] = { 0xff, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 };
116 guint8 val_uint8 = 0;
118 gst_bit_writer_init_with_data (&writer, sdata, sizeof (sdata), TRUE);
119 data = gst_bit_writer_reset_and_get_data (&writer);
120 fail_unless (data != NULL);
122 gst_bit_writer_init_with_data (&writer, sdata, sizeof (sdata), TRUE);
123 buf = gst_bit_writer_reset_and_get_buffer (&writer);
124 fail_unless (buf != NULL);
125 fail_unless (gst_buffer_map (buf, &info, GST_MAP_READWRITE));
126 fail_unless (info.data);
127 fail_unless_equals_int (info.size, 8);
128 gst_bit_reader_init (&reader, info.data, 8);
129 fail_unless (gst_bit_reader_set_pos (&reader, 64 - 10));
130 fail_unless (gst_bit_reader_get_bits_uint8 (&reader, &val_uint8, 8));
131 fail_unless_equals_int_hex (val_uint8, 0xbd);
132 fail_unless (gst_bit_reader_get_bits_uint8 (&reader, &val_uint8, 2));
133 fail_unless_equals_int_hex (val_uint8, 0x3);
134 gst_buffer_unmap (buf, &info);
135 gst_buffer_unref (buf);
137 writer2 = gst_bit_writer_new_with_size (3, TRUE);
138 data = gst_bit_writer_free_and_get_data (writer2);
139 /* no data, no buffer allocated */
140 fail_unless (data == NULL);
142 writer2 = gst_bit_writer_new_with_size (1, FALSE);
143 fail_unless (gst_bit_writer_put_bits_uint8 (writer2, 0xff, 8));
144 data = gst_bit_writer_free_and_get_data (writer2);
145 fail_unless (data != NULL);
146 fail_unless_equals_int_hex (*data, 0xff);
154 gst_bit_writer_suite (void)
156 Suite *s = suite_create ("GstBitWriter");
157 TCase *tc_chain = tcase_create ("general");
159 suite_add_tcase (s, tc_chain);
161 tcase_add_test (tc_chain, test_initialization);
162 tcase_add_test (tc_chain, test_data);
163 tcase_add_test (tc_chain, test_reset);
168 GST_CHECK_MAIN (gst_bit_writer);