gstreamer/subprojects/gst-plugins-bad/tests/check/elements/ccextractor.c

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/* 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 <gst/video/video.h>
#include <string.h>
#define VIDEO_CAPS_STR "video/x-raw, " \
"format = (string) UYVY, " \
"width = (int) 1920, " \
"height = (int) 1080, " \
"framerate = (fraction) 30/1"
static GstStaticCaps video_caps = GST_STATIC_CAPS (VIDEO_CAPS_STR);
static GstStaticCaps cea708_cc_data_caps =
GST_STATIC_CAPS
("closedcaption/x-cea-708,format=(string) cc_data, framerate = (fraction) 30/1");
static GstStaticCaps cea708_cdp_caps =
GST_STATIC_CAPS
("closedcaption/x-cea-708,format=(string) cdp, framerate = (fraction) 30/1");
GST_START_TEST (no_captions)
{
GstHarness *h;
GstBuffer *buf, *outbuf;
GstCaps *caps;
h = gst_harness_new ("ccextractor");
gst_harness_set_src_caps_str (h, VIDEO_CAPS_STR);
buf = gst_buffer_new_and_alloc (128);
outbuf = gst_harness_push_and_pull (h, gst_buffer_ref (buf));
fail_unless (outbuf != NULL);
fail_unless (outbuf == buf);
fail_unless (gst_element_get_static_pad (h->element, "caption") == NULL);
caps = gst_pad_get_current_caps (h->sinkpad);
fail_unless (caps != NULL);
fail_unless (gst_caps_can_intersect (caps,
gst_static_caps_get (&video_caps)));
gst_caps_unref (caps);
gst_buffer_unref (buf);
gst_buffer_unref (outbuf);
gst_harness_teardown (h);
}
GST_END_TEST;
static void
on_caption_pad_added (GstElement * ccextractor, GstPad * pad, GstHarness * h)
{
fail_unless (strcmp (GST_OBJECT_NAME (pad), "caption") == 0);
gst_harness_add_element_src_pad (h, pad);
}
GST_START_TEST (captions)
{
GstHarness *h, *h2;
GstBuffer *buf, *outbuf;
const guint8 caption_data[] = { 0, 1, 2, 3, 4, 5, 6, 7 };
GstCaps *caps;
GstVideoTimeCode *tc;
GstVideoTimeCodeMeta *tc_meta;
h = gst_harness_new ("ccextractor");
h2 = gst_harness_new_with_element (h->element, NULL, NULL);
g_signal_connect (h->element, "pad-added", G_CALLBACK (on_caption_pad_added),
h2);
gst_harness_set_src_caps_str (h, VIDEO_CAPS_STR);
buf = gst_buffer_new_and_alloc (128);
gst_buffer_add_video_caption_meta (buf, GST_VIDEO_CAPTION_TYPE_CEA708_RAW,
caption_data, sizeof (caption_data));
tc = gst_video_time_code_new (30, 1, NULL, GST_VIDEO_TIME_CODE_FLAGS_NONE, 0,
0, 0, 0, 0);
gst_buffer_add_video_time_code_meta (buf, tc);
outbuf = gst_harness_push_and_pull (h, gst_buffer_ref (buf));
fail_unless (outbuf != NULL);
fail_unless (outbuf == buf);
tc_meta = gst_buffer_get_video_time_code_meta (outbuf);
fail_unless (tc_meta != NULL);
fail_unless_equals_int (gst_video_time_code_compare (&tc_meta->tc, tc), 0);
gst_buffer_unref (outbuf);
gst_buffer_unref (buf);
fail_unless (h2->sinkpad != NULL);
outbuf = gst_harness_pull (h2);
fail_unless (outbuf != NULL);
fail_unless (gst_buffer_memcmp (outbuf, 0, caption_data,
sizeof (caption_data)) == 0);
tc_meta = gst_buffer_get_video_time_code_meta (outbuf);
fail_unless (tc_meta != NULL);
fail_unless_equals_int (gst_video_time_code_compare (&tc_meta->tc, tc), 0);
gst_video_time_code_free (tc);
gst_buffer_unref (outbuf);
caps = gst_pad_get_current_caps (h->sinkpad);
fail_unless (caps != NULL);
fail_unless (gst_caps_can_intersect (caps,
gst_static_caps_get (&video_caps)));
gst_caps_unref (caps);
caps = gst_pad_get_current_caps (h2->sinkpad);
fail_unless (caps != NULL);
fail_unless (gst_caps_can_intersect (caps,
gst_static_caps_get (&cea708_cc_data_caps)));
gst_caps_unref (caps);
buf = gst_buffer_new_and_alloc (128);
gst_buffer_add_video_caption_meta (buf, GST_VIDEO_CAPTION_TYPE_CEA708_RAW,
caption_data, sizeof (caption_data));
tc = gst_video_time_code_new (30, 1, NULL, GST_VIDEO_TIME_CODE_FLAGS_NONE, 0,
0, 0, 1, 0);
gst_buffer_add_video_time_code_meta (buf, tc);
outbuf = gst_harness_push_and_pull (h, gst_buffer_ref (buf));
fail_unless (outbuf != NULL);
fail_unless (outbuf == buf);
tc_meta = gst_buffer_get_video_time_code_meta (outbuf);
fail_unless (tc_meta != NULL);
fail_unless_equals_int (gst_video_time_code_compare (&tc_meta->tc, tc), 0);
gst_buffer_unref (outbuf);
gst_buffer_unref (buf);
fail_unless (h2->sinkpad != NULL);
outbuf = gst_harness_pull (h2);
fail_unless (outbuf != NULL);
fail_unless (gst_buffer_memcmp (outbuf, 0, caption_data,
sizeof (caption_data)) == 0);
tc_meta = gst_buffer_get_video_time_code_meta (outbuf);
fail_unless (tc_meta != NULL);
fail_unless_equals_int (gst_video_time_code_compare (&tc_meta->tc, tc), 0);
gst_video_time_code_free (tc);
gst_buffer_unref (outbuf);
caps = gst_pad_get_current_caps (h->sinkpad);
fail_unless (caps != NULL);
fail_unless (gst_caps_can_intersect (caps,
gst_static_caps_get (&video_caps)));
gst_caps_unref (caps);
caps = gst_pad_get_current_caps (h2->sinkpad);
fail_unless (caps != NULL);
fail_unless (gst_caps_can_intersect (caps,
gst_static_caps_get (&cea708_cc_data_caps)));
gst_caps_unref (caps);
gst_harness_teardown (h);
gst_harness_teardown (h2);
}
GST_END_TEST;
GST_START_TEST (no_captions_at_beginning_and_end)
{
GstHarness *h, *h2;
GstBuffer *buf, *outbuf;
const guint8 caption_data[] = { 0, 1, 2, 3, 4, 5, 6, 7 };
GstCaps *caps;
h = gst_harness_new ("ccextractor");
h2 = gst_harness_new_with_element (h->element, NULL, NULL);
g_signal_connect (h->element, "pad-added", G_CALLBACK (on_caption_pad_added),
h2);
gst_harness_set_src_caps_str (h, VIDEO_CAPS_STR);
buf = gst_buffer_new_and_alloc (128);
outbuf = gst_harness_push_and_pull (h, gst_buffer_ref (buf));
fail_unless (outbuf != NULL);
fail_unless (outbuf == buf);
gst_buffer_unref (outbuf);
gst_buffer_unref (buf);
buf = gst_buffer_new_and_alloc (128);
gst_buffer_add_video_caption_meta (buf, GST_VIDEO_CAPTION_TYPE_CEA708_RAW,
caption_data, sizeof (caption_data));
outbuf = gst_harness_push_and_pull (h, gst_buffer_ref (buf));
fail_unless (outbuf != NULL);
fail_unless (outbuf == buf);
gst_buffer_unref (outbuf);
gst_buffer_unref (buf);
caps = gst_pad_get_current_caps (h->sinkpad);
fail_unless (caps != NULL);
fail_unless (gst_caps_can_intersect (caps,
gst_static_caps_get (&video_caps)));
gst_caps_unref (caps);
fail_unless (h2->sinkpad != NULL);
outbuf = gst_harness_pull (h2);
fail_unless (outbuf != NULL);
fail_unless (gst_buffer_memcmp (outbuf, 0, caption_data,
sizeof (caption_data)) == 0);
gst_buffer_unref (outbuf);
caps = gst_pad_get_current_caps (h->sinkpad);
fail_unless (caps != NULL);
fail_unless (gst_caps_can_intersect (caps,
gst_static_caps_get (&video_caps)));
gst_caps_unref (caps);
caps = gst_pad_get_current_caps (h2->sinkpad);
fail_unless (caps != NULL);
fail_unless (gst_caps_can_intersect (caps,
gst_static_caps_get (&cea708_cc_data_caps)));
gst_caps_unref (caps);
buf = gst_buffer_new_and_alloc (128);
outbuf = gst_harness_push_and_pull (h, gst_buffer_ref (buf));
fail_unless (outbuf != NULL);
fail_unless (outbuf == buf);
gst_buffer_unref (outbuf);
gst_buffer_unref (buf);
fail_if (gst_harness_try_pull (h2) != NULL);
caps = gst_pad_get_current_caps (h->sinkpad);
fail_unless (caps != NULL);
fail_unless (gst_caps_can_intersect (caps,
gst_static_caps_get (&video_caps)));
gst_caps_unref (caps);
caps = gst_pad_get_current_caps (h2->sinkpad);
fail_unless (caps != NULL);
fail_unless (gst_caps_can_intersect (caps,
gst_static_caps_get (&cea708_cc_data_caps)));
gst_caps_unref (caps);
gst_harness_teardown (h);
gst_harness_teardown (h2);
}
GST_END_TEST;
GST_START_TEST (captions_format_change)
{
GstHarness *h, *h2;
GstBuffer *buf, *outbuf;
const guint8 caption_data[] = { 0, 1, 2, 3, 4, 5, 6, 7 };
GstCaps *caps;
h = gst_harness_new ("ccextractor");
h2 = gst_harness_new_with_element (h->element, NULL, NULL);
g_signal_connect (h->element, "pad-added", G_CALLBACK (on_caption_pad_added),
h2);
gst_harness_set_src_caps_str (h, VIDEO_CAPS_STR);
buf = gst_buffer_new_and_alloc (128);
gst_buffer_add_video_caption_meta (buf, GST_VIDEO_CAPTION_TYPE_CEA708_RAW,
caption_data, sizeof (caption_data));
outbuf = gst_harness_push_and_pull (h, gst_buffer_ref (buf));
fail_unless (outbuf != NULL);
fail_unless (outbuf == buf);
gst_buffer_unref (outbuf);
gst_buffer_unref (buf);
fail_unless (h2->sinkpad != NULL);
outbuf = gst_harness_pull (h2);
fail_unless (outbuf != NULL);
fail_unless (gst_buffer_memcmp (outbuf, 0, caption_data,
sizeof (caption_data)) == 0);
gst_buffer_unref (outbuf);
caps = gst_pad_get_current_caps (h->sinkpad);
fail_unless (caps != NULL);
fail_unless (gst_caps_can_intersect (caps,
gst_static_caps_get (&video_caps)));
gst_caps_unref (caps);
caps = gst_pad_get_current_caps (h2->sinkpad);
fail_unless (caps != NULL);
fail_unless (gst_caps_can_intersect (caps,
gst_static_caps_get (&cea708_cc_data_caps)));
gst_caps_unref (caps);
buf = gst_buffer_new_and_alloc (128);
gst_buffer_add_video_caption_meta (buf, GST_VIDEO_CAPTION_TYPE_CEA708_CDP,
caption_data, sizeof (caption_data));
outbuf = gst_harness_push_and_pull (h, gst_buffer_ref (buf));
fail_unless (outbuf != NULL);
fail_unless (outbuf == buf);
gst_buffer_unref (outbuf);
gst_buffer_unref (buf);
fail_unless (h2->sinkpad != NULL);
outbuf = gst_harness_pull (h2);
fail_unless (outbuf != NULL);
fail_unless (gst_buffer_memcmp (outbuf, 0, caption_data,
sizeof (caption_data)) == 0);
gst_buffer_unref (outbuf);
caps = gst_pad_get_current_caps (h->sinkpad);
fail_unless (caps != NULL);
fail_unless (gst_caps_can_intersect (caps,
gst_static_caps_get (&video_caps)));
gst_caps_unref (caps);
caps = gst_pad_get_current_caps (h2->sinkpad);
fail_unless (caps != NULL);
fail_unless (gst_caps_can_intersect (caps,
gst_static_caps_get (&cea708_cdp_caps)));
gst_caps_unref (caps);
gst_harness_teardown (h);
gst_harness_teardown (h2);
}
GST_END_TEST;
static Suite *
ccextractor_suite (void)
{
Suite *s = suite_create ("ccextractor");
TCase *tc = tcase_create ("general");
suite_add_tcase (s, tc);
tcase_add_test (tc, no_captions);
tcase_add_test (tc, captions);
tcase_add_test (tc, no_captions_at_beginning_and_end);
tcase_add_test (tc, captions_format_change);
return s;
}
GST_CHECK_MAIN (ccextractor);