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/*
* GStreamer
*
* unit test for h264parse
*
* 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/x-h264, parsed=(boolean)false"
#define SINK_CAPS_TMPL "video/x-h264, parsed=(boolean)true"
GstStaticPadTemplate sinktemplate_bs_nal = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (SINK_CAPS_TMPL
", stream-format = (string) byte-stream, alignment = (string) nal")
);
GstStaticPadTemplate sinktemplate_avc_au = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (SINK_CAPS_TMPL
", stream-format = (string) avc, alignment = (string) au")
);
GstStaticPadTemplate sinktemplate_avc3_au = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (SINK_CAPS_TMPL
", stream-format = (string) avc3, alignment = (string) au")
);
GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (SRC_CAPS_TMPL)
);
/* some data */
/* SPS */
static guint8 h264_sps[] = {
0x00, 0x00, 0x00, 0x01, 0x67, 0x4d, 0x40, 0x15,
0xec, 0xa4, 0xbf, 0x2e, 0x02, 0x20, 0x00, 0x00,
0x03, 0x00, 0x2e, 0xe6, 0xb2, 0x80, 0x01, 0xe2,
0xc5, 0xb2, 0xc0
};
/* PPS */
static guint8 h264_pps[] = {
0x00, 0x00, 0x00, 0x01, 0x68, 0xeb, 0xec, 0xb2
};
/* combines to this codec-data */
static guint8 h264_avc_codec_data[] = {
0x01, 0x4d, 0x40, 0x15, 0xff, 0xe1, 0x00, 0x17,
0x67, 0x4d, 0x40, 0x15, 0xec, 0xa4, 0xbf, 0x2e,
0x02, 0x20, 0x00, 0x00, 0x03, 0x00, 0x2e, 0xe6,
0xb2, 0x80, 0x01, 0xe2, 0xc5, 0xb2, 0xc0, 0x01,
0x00, 0x04, 0x68, 0xeb, 0xec, 0xb2
};
/* codec-data for avc3 where there are no SPS/PPS in the codec_data */
static guint8 h264_avc3_codec_data[] = {
0x01, /* config version, always == 1 */
0x4d, /* profile */
0x40, /* profile compatibility */
0x15, 0xff, /* 6 reserved bits, lengthSizeMinusOne */
0xe0, /* 3 reserved bits, numSPS */
0x00 /* numPPS */
};
static guint8 *h264_codec_data = NULL;
static guint8 h264_codec_data_size = 0;
/* keyframes all around */
static guint8 h264_idrframe[] = {
0x00, 0x00, 0x00, 0x01, 0x65, 0x88, 0x84, 0x00,
0x10, 0xff, 0xfe, 0xf6, 0xf0, 0xfe, 0x05, 0x36,
0x56, 0x04, 0x50, 0x96, 0x7b, 0x3f, 0x53, 0xe1
};
/* truncated nal */
static guint8 garbage_frame[] = {
0x00, 0x00, 0x00, 0x01, 0x05
};
/* context to tweak tests */
static const gchar *ctx_suite;
static gboolean ctx_codec_data;
static gboolean
verify_buffer (buffer_verify_data_s * vdata, GstBuffer * buffer)
{
if (vdata->discard) {
/* check separate header NALs */
gint i = vdata->buffer_counter;
fail_unless (i <= 1);
fail_unless (gst_buffer_get_size (buffer) == ctx_headers[i].size);
fail_unless (gst_buffer_memcmp (buffer, 0, ctx_headers[i].data,
gst_buffer_get_size (buffer)) == 0);
} else {
GstMapInfo map;
gst_buffer_map (buffer, &map, GST_MAP_READ);
fail_unless (map.size > 4);
/* only need to check avc and bs-to-nal output case */
if (GST_READ_UINT24_BE (map.data) == 0x01) {
/* in bs-to-nal, a leading 0x00 is stripped from output */
fail_unless (gst_buffer_get_size (buffer) ==
vdata->data_to_verify_size - 1);
fail_unless (gst_buffer_memcmp (buffer, 0, vdata->data_to_verify + 1,
vdata->data_to_verify_size - 1) == 0);
return TRUE;
} else if (GST_READ_UINT32_BE (map.data) == 0x01) {
/* this is not avc, use default tests from parser.c */
gst_buffer_unmap (buffer, &map);
return FALSE;
}
/* header is merged in initial frame */
if (vdata->buffer_counter == 0) {
guint8 *data = map.data;
fail_unless (map.size == vdata->data_to_verify_size +
ctx_headers[0].size + ctx_headers[1].size);
fail_unless (GST_READ_UINT32_BE (data) == ctx_headers[0].size - 4);
fail_unless (memcmp (data + 4, ctx_headers[0].data + 4,
ctx_headers[0].size - 4) == 0);
data += ctx_headers[0].size;
fail_unless (GST_READ_UINT32_BE (data) == ctx_headers[1].size - 4);
fail_unless (memcmp (data + 4, ctx_headers[1].data + 4,
ctx_headers[1].size - 4) == 0);
data += ctx_headers[1].size;
fail_unless (GST_READ_UINT32_BE (data) == vdata->data_to_verify_size - 4);
fail_unless (memcmp (data + 4, vdata->data_to_verify + 4,
vdata->data_to_verify_size - 4) == 0);
} else {
fail_unless (GST_READ_UINT32_BE (map.data) == map.size - 4);
fail_unless (map.size == vdata->data_to_verify_size);
fail_unless (memcmp (map.data + 4, vdata->data_to_verify + 4,
map.size - 4) == 0);
}
gst_buffer_unmap (buffer, &map);
return TRUE;
}
return FALSE;
}
GST_START_TEST (test_parse_normal)
{
gst_parser_test_normal (h264_idrframe, sizeof (h264_idrframe));
}
GST_END_TEST;
GST_START_TEST (test_parse_drain_single)
{
gst_parser_test_drain_single (h264_idrframe, sizeof (h264_idrframe));
}
GST_END_TEST;
GST_START_TEST (test_parse_drain_garbage)
{
gst_parser_test_drain_garbage (h264_idrframe, sizeof (h264_idrframe),
garbage_frame, sizeof (garbage_frame));
}
GST_END_TEST
GST_START_TEST (test_parse_split)
{
gst_parser_test_split (h264_idrframe, sizeof (h264_idrframe));
}
GST_END_TEST;
GST_START_TEST (test_parse_skip_garbage)
{
gst_parser_test_skip_garbage (h264_idrframe, sizeof (h264_idrframe),
garbage_frame, sizeof (garbage_frame));
}
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)
GST_START_TEST (test_parse_detect_stream)
{
GstCaps *caps;
GstStructure *s;
GstBuffer *buf;
const GValue *val;
/* parser does not really care that mpeg1 and mpeg2 frame data
* should be a bit different */
caps = gst_parser_test_get_output_caps (h264_idrframe, sizeof (h264_idrframe),
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 ("h264 output caps: %" GST_PTR_FORMAT, caps);
s = gst_caps_get_structure (caps, 0);
fail_unless (gst_structure_has_name (s, "video/x-h264"));
fail_unless_structure_field_int_equals (s, "width", 32);
fail_unless_structure_field_int_equals (s, "height", 24);
if (ctx_codec_data) {
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);
fail_unless (gst_buffer_get_size (buf) == h264_codec_data_size);
fail_unless (gst_buffer_memcmp (buf, 0, h264_codec_data,
gst_buffer_get_size (buf)) == 0);
}
gst_caps_unref (caps);
}
GST_END_TEST;
static Suite *
h264parse_suite (void)
{
Suite *s = suite_create (ctx_suite);
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_drain_garbage);
tcase_add_test (tc_chain, test_parse_split);
tcase_add_test (tc_chain, test_parse_skip_garbage);
tcase_add_test (tc_chain, test_parse_detect_stream);
return s;
}
static gboolean
verify_buffer_packetized (buffer_verify_data_s * vdata, GstBuffer * buffer)
{
GstMapInfo map;
gst_buffer_map (buffer, &map, GST_MAP_READ);
fail_unless (map.size > 4);
fail_unless (GST_READ_UINT32_BE (map.data) == 0x01);
if (vdata->discard) {
/* check separate header NALs */
guint8 *data;
gint size;
if (vdata->buffer_counter == 0) {
data = h264_sps;
size = sizeof (h264_sps);
} else {
data = h264_pps;
size = sizeof (h264_pps);
}
fail_unless (map.size == size);
fail_unless (memcmp (map.data + 4, data + 4, size - 4) == 0);
} else {
fail_unless (map.size == vdata->data_to_verify_size);
fail_unless (memcmp (map.data + 4,
vdata->data_to_verify + 4, map.size - 4) == 0);
}
gst_buffer_unmap (buffer, &map);
return TRUE;
}
GST_START_TEST (test_parse_packetized)
{
guint8 *frame;
GstCaps *caps;
GstBuffer *cdata;
GstStructure *s;
gchar *desc;
/* make AVC frame */
frame = g_malloc (sizeof (h264_idrframe));
GST_WRITE_UINT32_BE (frame, sizeof (h264_idrframe) - 4);
memcpy (frame + 4, h264_idrframe + 4, sizeof (h264_idrframe) - 4);
/* some caps messing */
caps = gst_caps_from_string (SRC_CAPS_TMPL);
cdata =
gst_buffer_new_wrapped_full (GST_MEMORY_FLAG_READONLY, h264_codec_data,
h264_codec_data_size, 0, h264_codec_data_size, NULL, NULL);
gst_caps_set_simple (caps, "codec_data", GST_TYPE_BUFFER, cdata, NULL);
gst_buffer_unref (cdata);
desc = gst_caps_to_string (caps);
gst_caps_unref (caps);
caps = gst_parser_test_get_output_caps (frame, sizeof (h264_idrframe), desc);
g_free (desc);
g_free (frame);
/* minor caps checks */
GST_LOG ("h264 output caps: %" GST_PTR_FORMAT, caps);
s = gst_caps_get_structure (caps, 0);
fail_unless (gst_structure_has_name (s, "video/x-h264"));
fail_unless_structure_field_int_equals (s, "width", 32);
fail_unless_structure_field_int_equals (s, "height", 24);
gst_caps_unref (caps);
}
GST_END_TEST;
static Suite *
h264parse_packetized_suite (void)
{
Suite *s = suite_create (ctx_suite);
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_parse_packetized);
return s;
}
/*
* TODO:
* - Both push- and pull-modes need to be tested
* * Pull-mode & EOS
*/
int
main (int argc, char **argv)
{
int nf = 0;
Suite *s;
SRunner *sr;
gst_check_init (&argc, &argv);
/* globabl init test context */
ctx_factory = "h264parse";
ctx_sink_template = &sinktemplate_bs_nal;
ctx_src_template = &srctemplate;
ctx_headers[0].data = h264_sps;
ctx_headers[0].size = sizeof (h264_sps);
ctx_headers[1].data = h264_pps;
ctx_headers[1].size = sizeof (h264_pps);
ctx_verify_buffer = verify_buffer;
/* discard initial sps/pps buffers */
ctx_discard = 2;
/* no timing info to parse */
ctx_no_metadata = TRUE;
ctx_codec_data = FALSE;
h264_codec_data = h264_avc_codec_data;
h264_codec_data_size = sizeof (h264_avc_codec_data);
ctx_suite = "h264parse_to_bs_nal";
s = h264parse_suite ();
sr = srunner_create (s);
srunner_run_all (sr, CK_NORMAL);
nf += srunner_ntests_failed (sr);
srunner_free (sr);
/* setup and tweak to handle avc au output */
ctx_suite = "h264parse_to_avc_au";
ctx_sink_template = &sinktemplate_avc_au;
ctx_discard = 0;
ctx_codec_data = TRUE;
s = h264parse_suite ();
sr = srunner_create (s);
srunner_run_all (sr, CK_NORMAL);
nf += srunner_ntests_failed (sr);
srunner_free (sr);
/* setup and tweak to handle avc3 au output */
h264_codec_data = h264_avc3_codec_data;
h264_codec_data_size = sizeof (h264_avc3_codec_data);
ctx_suite = "h264parse_to_avc3_au";
ctx_sink_template = &sinktemplate_avc3_au;
ctx_discard = 0;
ctx_codec_data = TRUE;
s = h264parse_suite ();
sr = srunner_create (s);
srunner_run_all (sr, CK_NORMAL);
nf += srunner_ntests_failed (sr);
srunner_free (sr);
/* setup and tweak to handle avc packetized input */
h264_codec_data = h264_avc_codec_data;
h264_codec_data_size = sizeof (h264_avc_codec_data);
ctx_suite = "h264parse_packetized";
/* turn into separate byte stream NALs */
ctx_sink_template = &sinktemplate_bs_nal;
/* and ignore inserted codec-data NALs */
ctx_discard = 2;
/* no more config headers */
ctx_headers[0].data = NULL;
ctx_headers[1].data = NULL;
ctx_headers[0].size = 0;
ctx_headers[1].size = 0;
/* and need adapter buffer check */
ctx_verify_buffer = verify_buffer_packetized;
s = h264parse_packetized_suite ();
sr = srunner_create (s);
srunner_run_all (sr, CK_NORMAL);
nf += srunner_ntests_failed (sr);
srunner_free (sr);
return nf;
}