gstreamer/tests/check/elements/ccconverter.c

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2018-12-13 12:27:25 +00:00
/* GStreamer
*
* Copyright (C) 2018 Sebastian Dröge <sebastian@centricular.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/check/gstharness.h>
#include <string.h>
GST_START_TEST (cdp_requires_framerate)
{
GstHarness *h;
GstBuffer *buffer;
GstMapInfo map;
h = gst_harness_new ("ccconverter");
/* Enforce conversion to CDP */
gst_harness_set_sink_caps_str (h,
"closedcaption/x-cea-708,format=(string)cdp");
/* Try without a framerate first, this has to fail */
gst_harness_set_src_caps_str (h,
"closedcaption/x-cea-708,format=(string)cc_data");
buffer = gst_buffer_new_and_alloc (3);
gst_buffer_map (buffer, &map, GST_MAP_WRITE);
map.data[0] = 0xfc;
map.data[1] = 0x80;
map.data[2] = 0x80;
gst_buffer_unmap (buffer, &map);
fail_unless_equals_int (gst_harness_push (h, gst_buffer_ref (buffer)),
GST_FLOW_NOT_NEGOTIATED);
/* Now set a framerate only on the sink caps, this should still fail:
* We can't do framerate conversion!
*/
gst_harness_set_sink_caps_str (h,
"closedcaption/x-cea-708,format=(string)cdp,framerate=(fraction)30/1");
fail_unless_equals_int (gst_harness_push (h, gst_buffer_ref (buffer)),
GST_FLOW_NOT_NEGOTIATED);
/* Then try with a framerate, this should work now */
gst_harness_set_sink_caps_str (h,
"closedcaption/x-cea-708,format=(string)cdp");
gst_harness_set_src_caps_str (h,
"closedcaption/x-cea-708,format=(string)cc_data,framerate=(fraction)30/1");
fail_unless_equals_int (gst_harness_push (h, buffer), GST_FLOW_OK);
gst_harness_teardown (h);
}
GST_END_TEST;
GST_START_TEST (framerate_passthrough)
{
GstHarness *h;
GstBuffer *buffer;
GstMapInfo map;
GstCaps *caps, *expected_caps;
h = gst_harness_new ("ccconverter");
gst_harness_set_src_caps_str (h,
"closedcaption/x-cea-608,format=(string)s334-1a,framerate=(fraction)30/1");
gst_harness_set_sink_caps_str (h,
"closedcaption/x-cea-708,format=(string)cc_data");
buffer = gst_buffer_new_and_alloc (3);
gst_buffer_map (buffer, &map, GST_MAP_WRITE);
map.data[0] = 0x00;
map.data[1] = 0x80;
map.data[2] = 0x80;
gst_buffer_unmap (buffer, &map);
fail_unless_equals_int (gst_harness_push (h, gst_buffer_ref (buffer)),
GST_FLOW_OK);
caps = gst_pad_get_current_caps (h->sinkpad);
fail_unless (caps);
expected_caps =
gst_caps_from_string
("closedcaption/x-cea-708,format=(string)cc_data,framerate=(fraction)30/1");
gst_check_caps_equal (caps, expected_caps);
gst_caps_unref (caps);
gst_caps_unref (expected_caps);
/* Now try between the same formats, should still pass through */
gst_harness_set_src_caps_str (h,
"closedcaption/x-cea-708,format=(string)cc_data,framerate=(fraction)30/1");
gst_harness_set_sink_caps_str (h,
"closedcaption/x-cea-708,format=(string)cc_data");
fail_unless_equals_int (gst_harness_push (h, gst_buffer_ref (buffer)),
GST_FLOW_OK);
caps = gst_pad_get_current_caps (h->sinkpad);
fail_unless (caps);
expected_caps =
gst_caps_from_string
("closedcaption/x-cea-708,format=(string)cc_data,framerate=(fraction)30/1");
gst_check_caps_equal (caps, expected_caps);
gst_caps_unref (caps);
gst_caps_unref (expected_caps);
/* And another time with the same format but only framerate on the output
* side. This should fail as we can't just come up with a framerate! */
gst_harness_set_src_caps_str (h,
"closedcaption/x-cea-708,format=(string)cc_data");
gst_harness_set_sink_caps_str (h,
"closedcaption/x-cea-708,format=(string)cc_data,framerate=(fraction)30/1");
fail_unless_equals_int (gst_harness_push (h, buffer),
GST_FLOW_NOT_NEGOTIATED);
gst_harness_teardown (h);
}
GST_END_TEST;
static void
check_conversion (const guint8 * in, guint in_len, const guint8 * out,
guint out_len, const gchar * in_caps, const gchar * out_caps)
{
GstHarness *h;
GstBuffer *buffer;
h = gst_harness_new ("ccconverter");
gst_harness_set_src_caps_str (h, in_caps);
gst_harness_set_sink_caps_str (h, out_caps);
buffer =
gst_buffer_new_wrapped_full (GST_MEMORY_FLAG_READONLY, (gpointer) in,
in_len, 0, in_len, NULL, NULL);
buffer = gst_harness_push_and_pull (h, buffer);
fail_unless (buffer != NULL);
gst_check_buffer_data (buffer, out, out_len);
gst_buffer_unref (buffer);
gst_harness_teardown (h);
}
GST_START_TEST (convert_cea608_raw_cea608_s334_1a)
{
const guint8 in[] = { 0x80, 0x80 };
const guint8 out[] = { 0x80, 0x80, 0x80 };
check_conversion (in, sizeof (in), out, sizeof (out),
"closedcaption/x-cea-608,format=(string)raw",
"closedcaption/x-cea-608,format=(string)s334-1a");
}
GST_END_TEST;
GST_START_TEST (convert_cea608_raw_cea708_cc_data)
{
const guint8 in[] = { 0x80, 0x80 };
const guint8 out[] = { 0xfc, 0x80, 0x80 };
check_conversion (in, sizeof (in), out, sizeof (out),
"closedcaption/x-cea-608,format=(string)raw",
"closedcaption/x-cea-708,format=(string)cc_data");
}
GST_END_TEST;
GST_START_TEST (convert_cea608_raw_cea708_cdp)
{
const guint8 in[] = { 0x80, 0x80 };
const guint8 out[] =
{ 0x96, 0x69, 0x2b, 0x8f, 0x43, 0x00, 0x00, 0x72, 0xea, 0xfc, 0x80, 0x80,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x74, 0x00, 0x00, 0x38
};
check_conversion (in, sizeof (in), out, sizeof (out),
"closedcaption/x-cea-608,format=(string)raw,framerate=(fraction)60/1",
"closedcaption/x-cea-708,format=(string)cdp");
}
GST_END_TEST;
GST_START_TEST (convert_cea608_s334_1a_cea608_raw)
{
const guint8 in[] = { 0x80, 0x80, 0x80, 0x00, 0x80, 0x80 };
const guint8 out[] = { 0x80, 0x80 };
check_conversion (in, sizeof (in), out, sizeof (out),
"closedcaption/x-cea-608,format=(string)s334-1a",
"closedcaption/x-cea-608,format=(string)raw");
}
GST_END_TEST;
GST_START_TEST (convert_cea608_s334_1a_cea608_raw_too_big)
{
const guint8 in[] =
{ 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x80, 0x80, 0x00, 0x80,
0x80
};
const guint8 out[] = { 0x80, 0x80, 0x80, 0x80 };
check_conversion (in, sizeof (in), out, sizeof (out),
"closedcaption/x-cea-608,format=(string)s334-1a",
"closedcaption/x-cea-608,format=(string)raw");
}
GST_END_TEST;
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GST_START_TEST (convert_cea608_s334_1a_cea708_cc_data)
{
const guint8 in[] = { 0x80, 0x80, 0x80, 0x00, 0x80, 0x80 };
const guint8 out[] = { 0xfc, 0x80, 0x80, 0xfd, 0x80, 0x80 };
check_conversion (in, sizeof (in), out, sizeof (out),
"closedcaption/x-cea-608,format=(string)s334-1a",
"closedcaption/x-cea-708,format=(string)cc_data");
}
GST_END_TEST;
GST_START_TEST (convert_cea608_s334_1a_cea708_cdp)
{
const guint8 in[] = { 0x80, 0x80, 0x80, 0x00, 0x80, 0x80 };
const guint8 out[] =
{ 0x96, 0x69, 0x2b, 0x8f, 0x43, 0x00, 0x00, 0x72, 0xea, 0xfc, 0x80, 0x80,
0xfd, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x74, 0x00, 0x00, 0x3b
};
check_conversion (in, sizeof (in), out, sizeof (out),
"closedcaption/x-cea-608,format=(string)s334-1a,framerate=(fraction)60/1",
"closedcaption/x-cea-708,format=(string)cdp");
}
GST_END_TEST;
GST_START_TEST (convert_cea708_cc_data_cea608_raw)
{
const guint8 in[] = { 0xfc, 0x80, 0x80, 0xfe, 0x80, 0x80 };
const guint8 out[] = { 0x80, 0x80 };
check_conversion (in, sizeof (in), out, sizeof (out),
"closedcaption/x-cea-708,format=(string)cc_data",
"closedcaption/x-cea-608,format=(string)raw");
}
GST_END_TEST;
GST_START_TEST (convert_cea708_cc_data_cea608_s334_1a)
{
const guint8 in[] = { 0xfc, 0x80, 0x80, 0xfe, 0x80, 0x80 };
const guint8 out[] = { 0x80, 0x80, 0x80 };
check_conversion (in, sizeof (in), out, sizeof (out),
"closedcaption/x-cea-708,format=(string)cc_data",
"closedcaption/x-cea-608,format=(string)s334-1a");
}
GST_END_TEST;
GST_START_TEST (convert_cea708_cc_data_cea708_cdp)
{
const guint8 in[] = { 0xfc, 0x80, 0x80, 0xfe, 0x80, 0x80 };
const guint8 out[] =
{ 0x96, 0x69, 0x2b, 0x8f, 0x43, 0x00, 0x00, 0x72, 0xea, 0xfc, 0x80, 0x80,
0xfe, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x74, 0x00, 0x00, 0x3a
};
check_conversion (in, sizeof (in), out, sizeof (out),
"closedcaption/x-cea-708,format=(string)cc_data,framerate=(fraction)60/1",
"closedcaption/x-cea-708,format=(string)cdp");
}
GST_END_TEST;
GST_START_TEST (convert_cea708_cdp_cea608_raw)
{
const guint8 in[] =
{ 0x96, 0x69, 0x13, 0x5f, 0x43, 0x00, 0x00, 0x72, 0xe2, 0xfc, 0x80, 0x80,
0xfe, 0x80, 0x80, 0x74, 0x00, 0x00, 0x8a
};
const guint8 out[] = { 0x80, 0x80 };
check_conversion (in, sizeof (in), out, sizeof (out),
"closedcaption/x-cea-708,format=(string)cdp",
"closedcaption/x-cea-608,format=(string)raw");
}
GST_END_TEST;
GST_START_TEST (convert_cea708_cdp_cea608_s334_1a)
{
const guint8 in[] =
{ 0x96, 0x69, 0x13, 0x5f, 0x43, 0x00, 0x00, 0x72, 0xe2, 0xfc, 0x80, 0x80,
0xfe, 0x80, 0x80, 0x74, 0x00, 0x00, 0x8a
};
const guint8 out[] = { 0x80, 0x80, 0x80 };
check_conversion (in, sizeof (in), out, sizeof (out),
"closedcaption/x-cea-708,format=(string)cdp",
"closedcaption/x-cea-608,format=(string)s334-1a");
}
GST_END_TEST;
GST_START_TEST (convert_cea708_cdp_cea708_cc_data)
{
const guint8 in[] =
{ 0x96, 0x69, 0x13, 0x5f, 0x43, 0x00, 0x00, 0x72, 0xe2, 0xfc, 0x80, 0x80,
0xfe, 0x80, 0x80, 0x74, 0x00, 0x00, 0x8a
};
const guint8 out[] = { 0xfc, 0x80, 0x80, 0xfe, 0x80, 0x80 };
check_conversion (in, sizeof (in), out, sizeof (out),
"closedcaption/x-cea-708,format=(string)cdp",
"closedcaption/x-cea-708,format=(string)cc_data");
}
GST_END_TEST;
static Suite *
ccextractor_suite (void)
{
Suite *s = suite_create ("ccconverter");
TCase *tc = tcase_create ("general");
suite_add_tcase (s, tc);
tcase_add_test (tc, cdp_requires_framerate);
tcase_add_test (tc, framerate_passthrough);
tcase_add_test (tc, convert_cea608_raw_cea608_s334_1a);
tcase_add_test (tc, convert_cea608_raw_cea708_cc_data);
tcase_add_test (tc, convert_cea608_raw_cea708_cdp);
tcase_add_test (tc, convert_cea608_s334_1a_cea608_raw);
tcase_add_test (tc, convert_cea608_s334_1a_cea608_raw_too_big);
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tcase_add_test (tc, convert_cea608_s334_1a_cea708_cc_data);
tcase_add_test (tc, convert_cea608_s334_1a_cea708_cdp);
tcase_add_test (tc, convert_cea708_cc_data_cea608_raw);
tcase_add_test (tc, convert_cea708_cc_data_cea608_s334_1a);
tcase_add_test (tc, convert_cea708_cc_data_cea708_cdp);
tcase_add_test (tc, convert_cea708_cdp_cea608_raw);
tcase_add_test (tc, convert_cea708_cdp_cea608_s334_1a);
tcase_add_test (tc, convert_cea708_cdp_cea708_cc_data);
return s;
}
GST_CHECK_MAIN (ccextractor);