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168 lines
5.8 KiB
C
168 lines
5.8 KiB
C
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/* GStreamer
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*
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* unit test for GstBitWriter
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*
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* Copyright (C) <2014> Intel Corporation
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* Copyright (C) <2014> Sreerenj Balachandran <sreerenj.balachandran@intel.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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, 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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#include <gst/gst.h>
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#include <gst/check/gstcheck.h>
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#include <gst/base/gstbitwriter.h>
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#include <gst/base/gstbitreader.h>
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GST_START_TEST (test_initialization)
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{
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GstBitWriter writer;
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GstBitReader reader;
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static guint8 sdata[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
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gst_bit_writer_init_with_size (&writer, 4, FALSE);
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/* should be aligned to 256 bytes */
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fail_unless_equals_int (gst_bit_writer_get_remaining (&writer), 2048);
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fail_unless_equals_int (gst_bit_writer_get_size (&writer), 0);
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fail_unless_equals_int (gst_bit_writer_set_pos (&writer, 32), 1);
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fail_unless_equals_int (gst_bit_writer_get_size (&writer), 32);
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fail_unless_equals_int (gst_bit_writer_get_remaining (&writer), 2048 - 32);
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gst_bit_writer_reset (&writer);
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gst_bit_writer_init_with_data (&writer, sdata, 8, FALSE);
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gst_bit_reader_init (&reader, sdata, 8);
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fail_unless_equals_int (gst_bit_reader_get_size (&reader), 64);
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fail_unless_equals_int (gst_bit_reader_get_remaining (&reader), 64);
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gst_bit_writer_reset (&writer);
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}
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GST_END_TEST;
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GST_START_TEST (test_data)
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{
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GstBitWriter writer;
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GstBitReader reader;
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guint8 val_uint8 = 0;
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guint16 val_uint16 = 0;
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guint32 val_uint32 = 0;
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guint64 val_uint64 = 0;
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static guint8 sdata[] = { 0xff, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 };
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guint8 *data, i;
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gst_bit_writer_init_with_size (&writer, 32, TRUE);
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fail_unless_equals_int (gst_bit_writer_get_remaining (&writer), 2048);
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fail_unless (gst_bit_writer_put_bits_uint8 (&writer, 0x3f, 6));
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fail_unless (gst_bit_writer_put_bits_uint8 (&writer, 0x3, 2));
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fail_unless (gst_bit_writer_put_bits_uint16 (&writer, 0x15, 5));
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fail_unless (gst_bit_writer_put_bits_uint32 (&writer, 0x31, 10));
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fail_unless (gst_bit_writer_put_bits_uint64 (&writer, 0x45, 48));
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fail_unless_equals_int (gst_bit_writer_get_remaining (&writer), 2048 - 71);
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fail_unless (gst_bit_writer_align_bytes (&writer, 0));
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data = g_memdup (sdata, sizeof (sdata));
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fail_unless (gst_bit_writer_put_bytes (&writer, data, sizeof (sdata)));
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gst_bit_reader_init (&reader, gst_bit_writer_get_data (&writer), 256);
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fail_unless_equals_int (gst_bit_reader_get_size (&reader), 256 * 8);
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fail_unless (gst_bit_reader_get_bits_uint8 (&reader, &val_uint8, 6));
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fail_unless_equals_int (val_uint8, 0x3f);
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fail_unless (gst_bit_reader_get_bits_uint8 (&reader, &val_uint8, 2));
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fail_unless_equals_int (val_uint8, 0x3);
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fail_unless (gst_bit_reader_get_bits_uint16 (&reader, &val_uint16, 5));
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fail_unless_equals_int_hex (val_uint16, 0x15);
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fail_unless (gst_bit_reader_get_bits_uint32 (&reader, &val_uint32, 10));
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fail_unless_equals_int_hex (val_uint32, 0x31);
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fail_unless (gst_bit_reader_get_bits_uint64 (&reader, &val_uint64, 48));
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fail_unless_equals_int_hex (val_uint64, 0x45);
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fail_unless (gst_bit_reader_set_pos (&reader, 72));
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for (i = 0; i < 8; i++) {
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fail_unless (gst_bit_reader_get_bits_uint8 (&reader, &val_uint8, 8));
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fail_unless (memcmp (&val_uint8, &data[i], 1) == 0);
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}
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g_free (data);
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gst_bit_writer_reset (&writer);
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}
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GST_END_TEST;
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GST_START_TEST (test_reset)
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{
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GstBitWriter writer, *writer2;
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GstBitReader reader;
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GstBuffer *buf;
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GstMapInfo info;
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static guint8 sdata[] = { 0xff, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 };
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guint8 *data;
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guint8 val_uint8 = 0;
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gst_bit_writer_init_with_data (&writer, sdata, sizeof (sdata), TRUE);
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data = gst_bit_writer_reset_and_get_data (&writer);
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fail_unless (data != NULL);
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gst_bit_writer_init_with_data (&writer, sdata, sizeof (sdata), TRUE);
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buf = gst_bit_writer_reset_and_get_buffer (&writer);
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fail_unless (buf != NULL);
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fail_unless (gst_buffer_map (buf, &info, GST_MAP_READWRITE));
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fail_unless (info.data);
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fail_unless_equals_int (info.size, 8);
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gst_bit_reader_init (&reader, info.data, 8);
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fail_unless (gst_bit_reader_set_pos (&reader, 64 - 10));
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fail_unless (gst_bit_reader_get_bits_uint8 (&reader, &val_uint8, 8));
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fail_unless_equals_int_hex (val_uint8, 0xbd);
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fail_unless (gst_bit_reader_get_bits_uint8 (&reader, &val_uint8, 2));
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fail_unless_equals_int_hex (val_uint8, 0x3);
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gst_buffer_unmap (buf, &info);
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gst_buffer_unref (buf);
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writer2 = gst_bit_writer_new_with_size (3, TRUE);
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data = gst_bit_writer_free_and_get_data (writer2);
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/* no data, no buffer allocated */
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fail_unless (data == NULL);
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writer2 = gst_bit_writer_new_with_size (1, FALSE);
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fail_unless (gst_bit_writer_put_bits_uint8 (writer2, 0xff, 8));
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data = gst_bit_writer_free_and_get_data (writer2);
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fail_unless (data != NULL);
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fail_unless_equals_int_hex (*data, 0xff);
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g_free (data);
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}
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GST_END_TEST;
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static Suite *
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gst_bit_writer_suite (void)
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{
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Suite *s = suite_create ("GstBitWriter");
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TCase *tc_chain = tcase_create ("general");
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suite_add_tcase (s, tc_chain);
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tcase_add_test (tc_chain, test_initialization);
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tcase_add_test (tc_chain, test_data);
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tcase_add_test (tc_chain, test_reset);
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return s;
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}
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GST_CHECK_MAIN (gst_bit_writer);
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