gstreamer/tests/check/elements/mpegvideoparse.c

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/*
* GStreamer
*
* unit test for mpegvideoparse
*
* Copyright (C) 2011 Nokia Corporation. All rights reserved.
*
* Contact: Stefan Kost <stefan.kost@nokia.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.
*/
#include <gst/check/gstcheck.h>
#include "parser.h"
#define SRC_CAPS_TMPL "video/mpeg, mpegversion=(int)2, systemstream=(boolean)false, parsed=(boolean)false"
#define SINK_CAPS_TMPL "video/mpeg, mpegversion=(int){1, 2}, systemstream=(boolean)false, parsed=(boolean)true"
GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (SINK_CAPS_TMPL)
);
GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (SRC_CAPS_TMPL)
);
/* some data */
/* actually seq + gop */
static guint8 mpeg2_seq[] = {
0x00, 0x00, 0x01, 0xb3, 0x02, 0x00, 0x18, 0x15,
0xff, 0xff, 0xe0, 0x28, 0x00, 0x00, 0x01, 0xb5,
0x14, 0x8a, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
0x01, 0xb8, 0x00, 0x08, 0x00, 0x00
};
/* actually seq + gop */
static guint8 mpeg1_seq[] = {
0x00, 0x00, 0x01, 0xb3, 0x02, 0x00, 0x18, 0x15,
0xff, 0xff, 0xe0, 0x28, 0x00, 0x00, 0x01, 0xb8,
0x00, 0x08, 00, 00
};
/* keyframes all around */
static guint8 mpeg2_iframe[] = {
0x00, 0x00, 0x01, 0x00, 0x00, 0x0f, 0xff, 0xf8,
0x00, 0x00, 0x01, 0xb5, 0x8f, 0xff, 0xf3, 0x41,
0x80, 0x00, 0x00, 0x01, 0x01, 0x23, 0xf8, 0x7d,
0x29, 0x48, 0x8b, 0x94, 0xa5, 0x22, 0x20, 0x00,
0x00, 0x01, 0x02, 0x23, 0xf8, 0x7d, 0x29, 0x48,
0x8b, 0x94, 0xa5, 0x22, 0x20
};
static guint8 mpeg1_iframe[] = {
0x00, 0x00, 0x01, 0x00, 0x00, 0x0f, 0xff, 0xf8,
0x00, 0x00, 0x01, 0x01, 0x23, 0xf8, 0x7d,
0x29, 0x48, 0x8b, 0x94, 0xa5, 0x22, 0x20, 0x00,
0x00, 0x01, 0x02, 0x23, 0xf8, 0x7d, 0x29, 0x48,
0x8b, 0x94, 0xa5, 0x22, 0x20
};
static gboolean
verify_buffer (buffer_verify_data_s * vdata, GstBuffer * buffer)
{
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GstMapInfo map;
gst_buffer_map (buffer, &map, GST_MAP_READ);
/* check initial header special case, otherwise delegate to default */
if (vdata->discard) {
/* header is separate */
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fail_unless (map.size == ctx_headers[0].size - 8);
fail_unless (memcmp (map.data, ctx_headers[0].data, map.size) == 0);
} else {
/* header is merged in initial frame */
if (vdata->buffer_counter == 0) {
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fail_unless (map.size > 4);
if (GST_READ_UINT32_BE (map.data) == 0x1b3) {
/* the whole sequence header is included */
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fail_unless (map.size ==
ctx_headers[0].size + vdata->data_to_verify_size);
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fail_unless (memcmp (map.data, ctx_headers[0].data,
ctx_headers[0].size) == 0);
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fail_unless (memcmp (map.data + ctx_headers[0].size,
vdata->data_to_verify, vdata->data_to_verify_size) == 0);
} else {
/* sequence was separate, only gop here */
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fail_unless (map.size == 8 + vdata->data_to_verify_size);
fail_unless (memcmp (map.data,
ctx_headers[0].data + ctx_headers[0].size - 8, 8) == 0);
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fail_unless (memcmp (map.data + 8,
vdata->data_to_verify, vdata->data_to_verify_size) == 0);
}
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gst_buffer_unmap (buffer, &map);
return TRUE;
}
}
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gst_buffer_unmap (buffer, &map);
return FALSE;
}
#define GOP_SPLIT "gop-split"
static GstElement *
setup_element (const gchar * desc)
{
GstElement *element;
if (strcmp (desc, GOP_SPLIT) == 0) {
element = gst_check_setup_element ("mpegvideoparse");
g_object_set (G_OBJECT (element), "gop-split", TRUE, NULL);
} else {
element = gst_check_setup_element ("mpegvideoparse");
}
return element;
}
GST_START_TEST (test_parse_normal)
{
gst_parser_test_normal (mpeg2_iframe, sizeof (mpeg2_iframe));
}
GST_END_TEST;
GST_START_TEST (test_parse_drain_single)
{
gst_parser_test_drain_single (mpeg2_iframe, sizeof (mpeg2_iframe));
}
GST_END_TEST;
GST_START_TEST (test_parse_split)
{
gst_parser_test_split (mpeg2_iframe, sizeof (mpeg2_iframe));
}
GST_END_TEST;
#define structure_get_int(s,f) \
(g_value_get_int(gst_structure_get_value(s,f)))
#define fail_unless_structure_field_int_equals(s,field,num) \
fail_unless_equals_int (structure_get_int(s,field), num)
static void
mpeg_video_parse_check_caps (guint version, guint8 * seq, gint size)
{
GstCaps *caps;
GstStructure *s;
GstBuffer *buf;
const GValue *val;
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GstMapInfo map;
ctx_headers[0].data = seq;
ctx_headers[0].size = size;
if (version == 1)
caps = gst_parser_test_get_output_caps (mpeg1_iframe, sizeof (mpeg1_iframe),
NULL);
else
caps = gst_parser_test_get_output_caps (mpeg2_iframe, sizeof (mpeg2_iframe),
NULL);
fail_unless (caps != NULL);
/* Check that the negotiated caps are as expected */
/* When codec_data is present, parser assumes that data is version 4 */
GST_LOG ("mpegvideo output caps: %" GST_PTR_FORMAT, caps);
s = gst_caps_get_structure (caps, 0);
fail_unless (gst_structure_has_name (s, "video/mpeg"));
fail_unless_structure_field_int_equals (s, "mpegversion", version);
fail_unless_structure_field_int_equals (s, "width", 32);
fail_unless_structure_field_int_equals (s, "height", 24);
fail_unless (gst_structure_has_field (s, "codec_data"));
/* check codec-data in more detail */
val = gst_structure_get_value (s, "codec_data");
fail_unless (val != NULL);
buf = gst_value_get_buffer (val);
fail_unless (buf != NULL);
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gst_buffer_map (buf, &map, GST_MAP_READ);
/* codec-data = header - GOP */
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assert_equals_int (map.size, size - 8);
fail_unless (memcmp (map.data, seq, map.size) == 0);
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gst_buffer_unmap (buf, &map);
gst_caps_unref (caps);
}
GST_START_TEST (test_parse_detect_stream_mpeg2)
{
mpeg_video_parse_check_caps (2, mpeg2_seq, sizeof (mpeg2_seq));
}
GST_END_TEST;
GST_START_TEST (test_parse_detect_stream_mpeg1)
{
mpeg_video_parse_check_caps (1, mpeg1_seq, sizeof (mpeg1_seq));
}
GST_END_TEST;
GST_START_TEST (test_parse_gop_split)
{
ctx_factory = GOP_SPLIT;
ctx_discard = 1;
gst_parser_test_normal (mpeg2_iframe, sizeof (mpeg2_iframe));
ctx_factory = "mpegvideoparse";
ctx_discard = 0;
}
GST_END_TEST;
static Suite *
mpegvideoparse_suite (void)
{
Suite *s = suite_create ("mpegvideoparse");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_parse_normal);
tcase_add_test (tc_chain, test_parse_drain_single);
tcase_add_test (tc_chain, test_parse_split);
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);
return s;
}
/*
* TODO:
* - Both push- and pull-modes need to be tested
* * Pull-mode & EOS
*/
int
main (int argc, char **argv)
{
int nf;
Suite *s = mpegvideoparse_suite ();
SRunner *sr = srunner_create (s);
gst_check_init (&argc, &argv);
/* init test context */
ctx_factory = "mpegvideoparse";
ctx_sink_template = &sinktemplate;
ctx_src_template = &srctemplate;
ctx_headers[0].data = mpeg2_seq;
ctx_headers[0].size = sizeof (mpeg2_seq);
ctx_verify_buffer = verify_buffer;
ctx_setup = setup_element;
srunner_run_all (sr, CK_NORMAL);
nf = srunner_ntests_failed (sr);
srunner_free (sr);
return nf;
}