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/* GStreamer
*
* unit test for GstBitWriter
*
* Copyright (C) <2014> Intel Corporation
* Copyright (C) <2014> Sreerenj Balachandran <sreerenj.balachandran@intel.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include <gst/check/gstcheck.h>
#include <gst/base/gstbitwriter.h>
#include <gst/base/gstbitreader.h>
#include "gst/glib-compat-private.h"
GST_START_TEST (test_initialization)
{
GstBitWriter writer;
GstBitReader reader;
static guint8 sdata[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
gst_bit_writer_init_with_size (&writer, 4, FALSE);
/* should be aligned to 256 bytes */
fail_unless_equals_int (gst_bit_writer_get_remaining (&writer), 2048);
fail_unless_equals_int (gst_bit_writer_get_size (&writer), 0);
fail_unless_equals_int (gst_bit_writer_set_pos (&writer, 32), 1);
fail_unless_equals_int (gst_bit_writer_get_size (&writer), 32);
fail_unless_equals_int (gst_bit_writer_get_remaining (&writer), 2048 - 32);
gst_bit_writer_reset (&writer);
gst_bit_writer_init_with_data (&writer, sdata, 8, FALSE);
gst_bit_reader_init (&reader, sdata, 8);
fail_unless_equals_int (gst_bit_reader_get_size (&reader), 64);
fail_unless_equals_int (gst_bit_reader_get_remaining (&reader), 64);
gst_bit_writer_reset (&writer);
}
GST_END_TEST;
GST_START_TEST (test_data)
{
GstBitWriter writer;
GstBitReader reader;
guint8 val_uint8 = 0;
guint16 val_uint16 = 0;
guint32 val_uint32 = 0;
guint64 val_uint64 = 0;
static guint8 sdata[] = { 0xff, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 };
guint8 *data, i;
gst_bit_writer_init_with_size (&writer, 32, TRUE);
fail_unless_equals_int (gst_bit_writer_get_remaining (&writer), 2048);
fail_unless (gst_bit_writer_put_bits_uint8 (&writer, 0x3f, 6));
fail_unless (gst_bit_writer_put_bits_uint8 (&writer, 0x3, 2));
fail_unless (gst_bit_writer_put_bits_uint16 (&writer, 0x15, 5));
fail_unless (gst_bit_writer_put_bits_uint32 (&writer, 0x31, 10));
fail_unless (gst_bit_writer_put_bits_uint64 (&writer, 0x45, 48));
fail_unless_equals_int (gst_bit_writer_get_remaining (&writer), 2048 - 71);
fail_unless (gst_bit_writer_align_bytes (&writer, 0));
data = g_memdup2 (sdata, sizeof (sdata));
fail_unless (gst_bit_writer_put_bytes (&writer, data, sizeof (sdata)));
gst_bit_reader_init (&reader, gst_bit_writer_get_data (&writer), 256);
fail_unless_equals_int (gst_bit_reader_get_size (&reader), 256 * 8);
fail_unless (gst_bit_reader_get_bits_uint8 (&reader, &val_uint8, 6));
fail_unless_equals_int (val_uint8, 0x3f);
fail_unless (gst_bit_reader_get_bits_uint8 (&reader, &val_uint8, 2));
fail_unless_equals_int (val_uint8, 0x3);
fail_unless (gst_bit_reader_get_bits_uint16 (&reader, &val_uint16, 5));
fail_unless_equals_int_hex (val_uint16, 0x15);
fail_unless (gst_bit_reader_get_bits_uint32 (&reader, &val_uint32, 10));
fail_unless_equals_int_hex (val_uint32, 0x31);
fail_unless (gst_bit_reader_get_bits_uint64 (&reader, &val_uint64, 48));
fail_unless_equals_int_hex (val_uint64, 0x45);
fail_unless (gst_bit_reader_set_pos (&reader, 72));
for (i = 0; i < 8; i++) {
fail_unless (gst_bit_reader_get_bits_uint8 (&reader, &val_uint8, 8));
fail_unless (memcmp (&val_uint8, &data[i], 1) == 0);
}
g_free (data);
gst_bit_writer_reset (&writer);
}
GST_END_TEST;
GST_START_TEST (test_reset)
{
GstBitWriter writer, *writer2;
GstBitReader reader;
GstBuffer *buf;
GstMapInfo info;
static guint8 sdata[] = { 0xff, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 };
guint8 *data;
guint8 val_uint8 = 0;
gst_bit_writer_init_with_data (&writer, sdata, sizeof (sdata), TRUE);
data = gst_bit_writer_reset_and_get_data (&writer);
fail_unless (data != NULL);
gst_bit_writer_init_with_data (&writer, sdata, sizeof (sdata), TRUE);
buf = gst_bit_writer_reset_and_get_buffer (&writer);
fail_unless (buf != NULL);
fail_unless (gst_buffer_map (buf, &info, GST_MAP_READWRITE));
fail_unless (info.data);
fail_unless_equals_int (info.size, 8);
gst_bit_reader_init (&reader, info.data, 8);
fail_unless (gst_bit_reader_set_pos (&reader, 64 - 10));
fail_unless (gst_bit_reader_get_bits_uint8 (&reader, &val_uint8, 8));
fail_unless_equals_int_hex (val_uint8, 0xbd);
fail_unless (gst_bit_reader_get_bits_uint8 (&reader, &val_uint8, 2));
fail_unless_equals_int_hex (val_uint8, 0x3);
gst_buffer_unmap (buf, &info);
gst_buffer_unref (buf);
writer2 = gst_bit_writer_new_with_size (3, TRUE);
data = gst_bit_writer_free_and_get_data (writer2);
/* no data, no buffer allocated */
fail_unless (data == NULL);
writer2 = gst_bit_writer_new_with_size (1, FALSE);
fail_unless (gst_bit_writer_put_bits_uint8 (writer2, 0xff, 8));
data = gst_bit_writer_free_and_get_data (writer2);
fail_unless (data != NULL);
fail_unless_equals_int_hex (*data, 0xff);
g_free (data);
}
GST_END_TEST;
static Suite *
gst_bit_writer_suite (void)
{
Suite *s = suite_create ("GstBitWriter");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_initialization);
tcase_add_test (tc_chain, test_data);
tcase_add_test (tc_chain, test_reset);
return s;
}
GST_CHECK_MAIN (gst_bit_writer);
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