Commit fa969700 authored by Tim-Philipp Müller's avatar Tim-Philipp Müller 🐠
Browse files

tests: mpegvideoparse: add unit test for CEA-708 closed captions extraction

parent 1b0e150d
......@@ -334,7 +334,10 @@ libparser_la_CFLAGS = \
-I$(top_srcdir)/tests/check \
$(GST_CFLAGS) $(GST_CHECK_CFLAGS) $(GST_OPTION_CFLAGS)
elements_mpegvideoparse_LDADD = libparser.la $(LDADD)
elements_mpegvideoparse_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) \
$(GST_BASE_CFLAGS) $(GST_CFLAGS) $(AM_CFLAGS)
elements_mpegvideoparse_LDADD = libparser.la \
$(GST_PLUGINS_BASE_LIBS) -lgstvideo-$(GST_API_VERSION) $(LDADD)
elements_mpeg4videoparse_LDADD = libparser.la $(LDADD)
......
......@@ -4,8 +4,8 @@
* unit test for mpegvideoparse
*
* Copyright (C) 2011 Nokia Corporation. All rights reserved.
*
* Contact: Stefan Kost <stefan.kost@nokia.com>
* Contact: Stefan Kost <stefan.kost@nokia.com>
* Copyright (C) 2018 Tim-Philipp Müller <tim centricular com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
......@@ -23,7 +23,8 @@
* Boston, MA 02110-1301, USA.
*/
#include <gst/check/gstcheck.h>
#include <gst/check/check.h>
#include <gst/video/video.h>
#include "parser.h"
#define SRC_CAPS_TMPL "video/mpeg, mpegversion=(int)2, systemstream=(boolean)false, parsed=(boolean)false"
......@@ -233,6 +234,65 @@ GST_START_TEST (test_parse_gop_split)
GST_END_TEST;
GST_START_TEST (test_parse_cea708_captions)
{
GstClockTime last_ts = 0;
GstHarness *h;
GstBuffer *buf;
gchar *fn;
gint i, j;
h = gst_harness_new_parse ("filesrc name=filesrc ! mpegvideoparse");
/* Minimal stripped down MPEG-2 video elementary stream with truncated slices.
* Created via mpegvideoparse ! multifilesink and then truncating all files
* to 80-100 bytes or such and concatenating them back together. */
fn = g_build_filename (GST_TEST_FILES_PATH, "mpeg2-es-with-cea708-cc.dat",
NULL);
gst_harness_set (h, "filesrc", "location", fn, NULL);
g_free (fn);
gst_harness_play (h);
for (i = 0; i < 50; ++i) {
GstVideoCaptionMeta *caption_meta;
buf = gst_harness_pull (h);
GST_LOG ("pulled buffer %" GST_PTR_FORMAT, buf);
caption_meta = gst_buffer_get_video_caption_meta (buf);
fail_unless (caption_meta != NULL);
fail_unless_equals_int (caption_meta->caption_type,
GST_VIDEO_CAPTION_TYPE_CEA708_RAW);
fail_unless_equals_int (caption_meta->size, 60);
/* iterate over triplets */
for (j = 0; j < 20; ++j) {
guint8 cc_type = caption_meta->data[3 * j] & 0x03;
/* first triplet always CEA-608 line 21 field 2 in our sample */
if (j == 0)
fail_unless_equals_int (cc_type, 1);
/* second triplet always CEA-608 line 21 field 1 in our sample */
if (j == 1)
fail_unless_equals_int (cc_type, 0);
if (j > 2)
fail_unless (cc_type == 2 || cc_type == 3);
/* first packet starts with a CCP header */
if (i == 0 && j == 2)
fail_unless (cc_type == 3);
}
/* buffer sanity check */
if (i > 0)
fail_unless (GST_BUFFER_DTS (buf) > last_ts);
last_ts = GST_BUFFER_DTS (buf);
gst_buffer_unref (buf);
}
gst_harness_teardown (h);
}
GST_END_TEST;
static Suite *
mpegvideoparse_suite (void)
......@@ -257,6 +317,7 @@ mpegvideoparse_suite (void)
tcase_add_test (tc_chain, test_parse_detect_stream_mpeg1);
tcase_add_test (tc_chain, test_parse_detect_stream_mpeg2);
tcase_add_test (tc_chain, test_parse_gop_split);
tcase_add_test (tc_chain, test_parse_cea708_captions);
return s;
}
......
EXTRA_DIST = \
barcode.png \
blue-square.png \
mpeg2-es-with-cea708-cc.dat \
s16be-id3v2.aiff
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