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gstreamer/tests/check/elements/avtpcvfdepay.c

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tests: Add AVTP CVF depayloader tests In these tests, some specially crafted buffers are sent to the depayloader, simulating some scenarios and checking what comes out from it.
2019-03-26 21:25:56 +00:00
/*
* GStreamer AVTP Plugin
* Copyright (C) 2019 Intel Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
#include <gst/check/gstcheck.h>
#include <gst/check/gstharness.h>
#include <avtp.h>
#include <avtp_cvf.h>
#define AVTP_CVF_H264_HEADER_SIZE (sizeof(struct avtp_stream_pdu) + sizeof(guint32))
#define STREAM_ID 0xAABBCCDDEEFF0000
static gboolean
check_nal_filling (GstBuffer * buffer, guint8 first)
{
GstMapInfo map;
gboolean result = TRUE;
gsize offset = 5; /* 4 bytes for the nal size and one with nal type */
int i;
gst_buffer_map (buffer, &map, GST_MAP_READ);
for (i = offset; i < map.size; i++) {
if (map.data[i] != first++) {
result = FALSE;
break;
}
}
return result;
}
static void
fill_nal (guint8 * buf, gsize size, guint8 first)
{
while (size--) {
*buf++ = first++;
}
}
static gsize
nal_size (GstBuffer * buffer)
{
guint8 nal_size[4];
gst_buffer_extract (buffer, 0, nal_size, 4);
return (nal_size[0] << 24) | (nal_size[1] << 16) | (nal_size[2] << 8) |
nal_size[3];
}
static gsize
nal_type (GstBuffer * buffer)
{
guint8 nal_type;
gst_buffer_extract (buffer, 4, &nal_type, 1);
return nal_type & 0x1f;
}
static GstBuffer *
fetch_nal (GstBuffer * buffer, gsize * offset)
{
gsize nal_size;
GstBuffer *ret;
guint8 buf[4];
if (*offset >= (gst_buffer_get_size (buffer) - 4))
return NULL;
gst_buffer_extract (buffer, *offset, buf, 4);
nal_size = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3];
ret =
gst_buffer_copy_region (buffer, GST_BUFFER_COPY_MEMORY, *offset,
nal_size + 4);
*offset += nal_size + 4;
return ret;
}
avtpcvfdepay: Don't hide gst_pad_push return avtpcvfdepay was effectively hiding any return from gst_pad_push, so no errors or GST_FLOW_EOS would be propagated upstream. Tests also added.
2019-11-01 22:58:47 +00:00
GST_START_TEST (test_depayloader_fragment_and_single)
{
GstHarness *h;
GstBuffer *in;
const gint DATA_LEN = sizeof (guint32) + 10;
struct avtp_stream_pdu *pdu;
GstMapInfo map;
/* Create the harness for the avtpcvfpay */
h = gst_harness_new_parse ("avtpcvfdepay ! fakesink num-buffers=1");
gst_harness_set_src_caps_str (h, "application/x-avtp");
/* Create the input AVTPDU */
in = gst_harness_create_buffer (h, AVTP_CVF_H264_HEADER_SIZE + 10);
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
/* Start with a single NAL */
avtp_cvf_pdu_init (pdu, AVTP_CVF_FORMAT_SUBTYPE_H264);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_ID, STREAM_ID);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TV, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TIMESTAMP, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_PTV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_TIMESTAMP, 2000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_DATA_LEN, DATA_LEN);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 0x1;
gst_buffer_unmap (in, &map);
/* We push a copy so that we can change only what is necessary on our buffer */
fail_unless_equals_int (gst_harness_push (h, gst_buffer_copy (in)),
GST_FLOW_OK);
fail_unless (gst_harness_try_pull (h) == NULL);
/* Then a fragment */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SEQ_NUM, 1);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 3 << 5 | 28; /* NAL type FU-A, NRI 3 */
map.data[AVTP_CVF_H264_HEADER_SIZE + 1] = (1 << 7) | 4; /* S = 1, type 4 */
gst_buffer_unmap (in, &map);
fail_unless_equals_int (gst_harness_push (h, gst_buffer_copy (in)),
GST_FLOW_OK);
/* Third and last AVTPDU, again a single NAL */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TIMESTAMP, 1000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SEQ_NUM, 2);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 0x1;
gst_buffer_unmap (in, &map);
fail_unless_equals_int (gst_harness_push (h, gst_buffer_copy (in)),
GST_FLOW_EOS);
gst_buffer_unref (in);
gst_harness_teardown (h);
}
GST_END_TEST;
GST_START_TEST (test_depayloader_fragmented_two_start_eos)
{
GstHarness *h;
GstBuffer *in;
const gint DATA_LEN = sizeof (guint32) + 10;
struct avtp_stream_pdu *pdu;
GstMapInfo map;
/* Create the harness for the avtpcvfpay */
h = gst_harness_new_parse ("avtpcvfdepay ! fakesink num-buffers=1");
gst_harness_set_src_caps_str (h, "application/x-avtp");
/* Create the input AVTPDU */
in = gst_harness_create_buffer (h, AVTP_CVF_H264_HEADER_SIZE + 10);
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
/* Start with a single NAL */
avtp_cvf_pdu_init (pdu, AVTP_CVF_FORMAT_SUBTYPE_H264);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_ID, STREAM_ID);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TV, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TIMESTAMP, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_PTV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_TIMESTAMP, 2000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_DATA_LEN, DATA_LEN);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 0x1;
gst_buffer_unmap (in, &map);
/* We push a copy so that we can change only what is necessary on our buffer */
fail_unless_equals_int (gst_harness_push (h, gst_buffer_copy (in)),
GST_FLOW_OK);
fail_unless (gst_harness_try_pull (h) == NULL);
/* Then a fragment */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SEQ_NUM, 1);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 3 << 5 | 28; /* NAL type FU-A, NRI 3 */
map.data[AVTP_CVF_H264_HEADER_SIZE + 1] = (1 << 7) | 4; /* S = 1, type 4 */
gst_buffer_unmap (in, &map);
fail_unless_equals_int (gst_harness_push (h, gst_buffer_copy (in)),
GST_FLOW_OK);
/* Third and last AVTPDU, another fragment with start bit set */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TIMESTAMP, 1000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SEQ_NUM, 2);
map.data[AVTP_CVF_H264_HEADER_SIZE + 1] = (1 << 7) | 4; /* S = 1, type 4 */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 2], 8, 16);
gst_buffer_unmap (in, &map);
fail_unless_equals_int (gst_harness_push (h, gst_buffer_copy (in)),
GST_FLOW_EOS);
gst_buffer_unref (in);
gst_harness_teardown (h);
}
GST_END_TEST;
GST_START_TEST (test_depayloader_multiple_lost_eos)
{
GstHarness *h;
GstBuffer *in;
const gint DATA_LEN = sizeof (guint32) + 4;
struct avtp_stream_pdu *pdu;
GstMapInfo map;
/* Create the harness for the avtpcvfpay */
h = gst_harness_new_parse ("avtpcvfdepay ! fakesink num-buffers=1");
gst_harness_set_src_caps_str (h, "application/x-avtp");
/* Create the input AVTPDU header */
in = gst_harness_create_buffer (h, AVTP_CVF_H264_HEADER_SIZE + 4);
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_init (pdu, AVTP_CVF_FORMAT_SUBTYPE_H264);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_ID, STREAM_ID);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TIMESTAMP, 1000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_PTV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_TIMESTAMP, 2000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_DATA_LEN, DATA_LEN);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 0x7; /* Add NAL type */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 1], 3, 0);
gst_buffer_unmap (in, &map);
/* We push a copy so that we can change only what is necessary on our buffer */
gst_harness_push (h, gst_buffer_copy (in));
fail_unless (gst_harness_try_pull (h) == NULL);
/* Send second AVTPDU, but skipping one seqnum */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SEQ_NUM, 2);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 0x1; /* Add NAL type */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 1], 3, 0);
gst_buffer_unmap (in, &map);
fail_unless_equals_int (gst_harness_push (h, gst_buffer_copy (in)),
GST_FLOW_EOS);
gst_buffer_unref (in);
gst_harness_teardown (h);
}
GST_END_TEST;
GST_START_TEST (test_depayloader_fragmented_eos)
{
GstHarness *h;
GstBuffer *in;
const gint DATA_LEN = sizeof (guint32) + 10;
struct avtp_stream_pdu *pdu;
GstMapInfo map;
/* Create the harness for the avtpcvfpay */
h = gst_harness_new_parse ("avtpcvfdepay ! fakesink num-buffers=1");
gst_harness_set_src_caps_str (h, "application/x-avtp");
/* Create the input AVTPDU */
in = gst_harness_create_buffer (h, AVTP_CVF_H264_HEADER_SIZE + 10);
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_init (pdu, AVTP_CVF_FORMAT_SUBTYPE_H264);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_ID, STREAM_ID);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TV, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TIMESTAMP, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_PTV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_TIMESTAMP, 2000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_DATA_LEN, DATA_LEN);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 3 << 5 | 28; /* NAL type FU-A, NRI 3 */
map.data[AVTP_CVF_H264_HEADER_SIZE + 1] = (1 << 7) | 4; /* S = 1, type 4 */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 2], 8, 0);
gst_buffer_unmap (in, &map);
/* We push a copy so that we can change only what is necessary on our buffer */
fail_unless_equals_int (gst_harness_push (h, gst_buffer_copy (in)),
GST_FLOW_OK);
fail_unless (gst_harness_try_pull (h) == NULL);
/* Send second and last AVTPDU */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TIMESTAMP, 1000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SEQ_NUM, 1);
map.data[AVTP_CVF_H264_HEADER_SIZE + 1] = (1 << 6) | 4; /* E = 1, type 4 */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 2], 8, 16);
gst_buffer_unmap (in, &map);
fail_unless_equals_int (gst_harness_push (h, gst_buffer_copy (in)),
GST_FLOW_EOS);
gst_buffer_unref (in);
gst_harness_teardown (h);
}
GST_END_TEST;
/* Tests a big fragmented NAL scenario */
GST_START_TEST (test_depayloader_single_eos)
{
GstHarness *h;
GstBuffer *in;
const gint DATA_LEN = sizeof (guint32) + 4;
struct avtp_stream_pdu *pdu;
GstMapInfo map;
/* Create the harness for the avtpcvfpay */
h = gst_harness_new_parse ("avtpcvfdepay ! fakesink num-buffers=1");
gst_harness_set_src_caps_str (h, "application/x-avtp");
/* Create the input AVTPDU header */
in = gst_harness_create_buffer (h, AVTP_CVF_H264_HEADER_SIZE + 4);
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_init (pdu, AVTP_CVF_FORMAT_SUBTYPE_H264);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_ID, STREAM_ID);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TIMESTAMP, 1000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_PTV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_TIMESTAMP, 2000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_DATA_LEN, DATA_LEN);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 0x1; /* Add NAL type */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 1], 3, 0);
gst_buffer_unmap (in, &map);
fail_unless_equals_int (gst_harness_push (h, in), GST_FLOW_EOS);
gst_harness_teardown (h);
}
GST_END_TEST;
tests: Add AVTP CVF depayloader tests In these tests, some specially crafted buffers are sent to the depayloader, simulating some scenarios and checking what comes out from it.
2019-03-26 21:25:56 +00:00
GST_START_TEST (test_depayloader_invalid_avtpdu)
{
GstHarness *h;
GstBuffer *in, *small;
const gint DATA_LEN = sizeof (guint32) + 4;
struct avtp_stream_pdu *pdu;
GstMapInfo map;
/* Create the harness for the avtpcvfpay */
h = gst_harness_new ("avtpcvfdepay");
gst_harness_set_src_caps_str (h, "application/x-avtp");
/* Create the input AVTPDU header */
in = gst_harness_create_buffer (h, AVTP_CVF_H264_HEADER_SIZE + 4);
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_init (pdu, AVTP_CVF_FORMAT_SUBTYPE_MJPEG);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_ID, STREAM_ID);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TIMESTAMP, 1000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_PTV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_TIMESTAMP, 2000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_DATA_LEN, DATA_LEN);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 0x1; /* Add NAL type */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 1], 3, 0);
gst_buffer_unmap (in, &map);
/* Invalid CVF subtype */
gst_harness_push (h, gst_buffer_copy (in));
fail_unless_equals_uint64 (gst_harness_buffers_received (h), 0);
/* Invalid subtype */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_FORMAT_SUBTYPE,
AVTP_CVF_FORMAT_SUBTYPE_H264);
avtp_pdu_set ((struct avtp_common_pdu *) pdu, AVTP_FIELD_SUBTYPE,
AVTP_SUBTYPE_CRF);
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
fail_unless_equals_uint64 (gst_harness_buffers_received (h), 0);
/* Invalid CVF type */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_pdu_set ((struct avtp_common_pdu *) pdu, AVTP_FIELD_SUBTYPE,
AVTP_SUBTYPE_CVF);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_FORMAT, 0);
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
fail_unless_equals_uint64 (gst_harness_buffers_received (h), 0);
/* Invalid AVTP version */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_FORMAT, AVTP_CVF_FORMAT_RFC);
avtp_pdu_set ((struct avtp_common_pdu *) pdu, AVTP_FIELD_VERSION, 3);
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
fail_unless_equals_uint64 (gst_harness_buffers_received (h), 0);
/* Invalid SV */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_pdu_set ((struct avtp_common_pdu *) pdu, AVTP_FIELD_VERSION, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SV, 0);
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
fail_unless_equals_uint64 (gst_harness_buffers_received (h), 0);
/* Invalid stream id */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_ID, 0xAABBCCDDEEFF0001);
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
fail_unless_equals_uint64 (gst_harness_buffers_received (h), 0);
/* Invalid stream data len */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_ID, STREAM_ID);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_DATA_LEN, 100);
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
fail_unless_equals_uint64 (gst_harness_buffers_received (h), 0);
/* Invalid NAL type (STAP-A) */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_DATA_LEN, DATA_LEN);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 24;
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
fail_unless_equals_uint64 (gst_harness_buffers_received (h), 0);
/* Invalid NAL type (STAP-B) */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_DATA_LEN, DATA_LEN);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 25;
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
fail_unless_equals_uint64 (gst_harness_buffers_received (h), 0);
/* Invalid NAL type (MTAP16) */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_DATA_LEN, DATA_LEN);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 26;
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
fail_unless_equals_uint64 (gst_harness_buffers_received (h), 0);
/* Invalid NAL type (MTAP24) */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_DATA_LEN, DATA_LEN);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 27;
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
fail_unless_equals_uint64 (gst_harness_buffers_received (h), 0);
/* Invalid NAL type (FU-B) */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_DATA_LEN, DATA_LEN);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 29;
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
fail_unless_equals_uint64 (gst_harness_buffers_received (h), 0);
/* Invalid NAL type (STAP-A) */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_DATA_LEN, DATA_LEN);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 24;
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
fail_unless_equals_uint64 (gst_harness_buffers_received (h), 0);
/* Invalid buffer size (too small to fit an AVTP header) */
small = gst_harness_create_buffer (h, AVTP_CVF_H264_HEADER_SIZE / 2);
gst_harness_push (h, small);
fail_unless_equals_uint64 (gst_harness_buffers_received (h), 0);
/* Invalid buffer size (too small to fit a fragment header) */
small = gst_harness_create_buffer (h, AVTP_CVF_H264_HEADER_SIZE + 1);
gst_buffer_map (small, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_init (pdu, AVTP_CVF_FORMAT_SUBTYPE_H264);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_ID, STREAM_ID);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TV, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TIMESTAMP, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_PTV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_TIMESTAMP, 2000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_DATA_LEN, sizeof (guint32) + 1);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 28;
gst_harness_push (h, small);
fail_unless_equals_uint64 (gst_harness_buffers_received (h), 0);
gst_buffer_unref (in);
gst_harness_teardown (h);
}
GST_END_TEST;
/*
* This test will send some invalid fragments, but with valid seqnum
* (misbehaving payloader).*/
GST_START_TEST (test_depayloader_lost_fragments)
{
GstHarness *h;
GstBuffer *in, *out, *nal;
const gint DATA_LEN = sizeof (guint32) + 10;
struct avtp_stream_pdu *pdu;
GstMapInfo map;
gsize offset;
/* Create the harness for the avtpcvfpay */
h = gst_harness_new ("avtpcvfdepay");
gst_harness_set_src_caps_str (h, "application/x-avtp");
/* Create the input AVTPDU */
in = gst_harness_create_buffer (h, AVTP_CVF_H264_HEADER_SIZE + 10);
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
/* First fragment doesn't have start bit set, so it should be ignored */
avtp_cvf_pdu_init (pdu, AVTP_CVF_FORMAT_SUBTYPE_H264);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_ID, STREAM_ID);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TV, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TIMESTAMP, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_PTV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_TIMESTAMP, 2000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_DATA_LEN, DATA_LEN);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 3 << 5 | 28; /* NAL type FU-A, NRI 3 */
map.data[AVTP_CVF_H264_HEADER_SIZE + 1] = 4; /* S = 0, type 4 */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 2], 8, 0);
gst_buffer_unmap (in, &map);
/* We push a copy so that we can change only what is necessary on our buffer */
gst_harness_push (h, gst_buffer_copy (in));
fail_unless (gst_harness_try_pull (h) == NULL);
/* Send second AVTPDU - but this should be also ignored as it doesn't have the
* start bit set */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SEQ_NUM, 1);
map.data[AVTP_CVF_H264_HEADER_SIZE + 1] = 4; /* type 4 */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 2], 8, 8);
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
fail_unless (gst_harness_try_pull (h) == NULL);
/* Send third AVTPDU, with end bit set, but it should be discarded as there
* was no start fragment */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TIMESTAMP, 1000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SEQ_NUM, 2);
map.data[AVTP_CVF_H264_HEADER_SIZE + 1] = (1 << 6) | 4; /* E = 1, type 4 */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 2], 8, 16);
gst_buffer_unmap (in, &map);
/* Ensure no buffer came out */
gst_harness_push (h, gst_buffer_copy (in));
fail_unless (gst_harness_try_pull (h) == NULL);
/* Now, let's send an invalid one, with both start and end bits set */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SEQ_NUM, 3);
map.data[AVTP_CVF_H264_HEADER_SIZE + 1] = (3 << 6) | 4; /* S = E = 1, type 4 */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 2], 8, 24);
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
fail_unless (gst_harness_try_pull (h) == NULL);
/* Send a fragment with proper start */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SEQ_NUM, 4);
map.data[AVTP_CVF_H264_HEADER_SIZE + 1] = (1 << 7) | 4; /* S = 1, type 4 */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 2], 8, 32);
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
fail_unless (gst_harness_try_pull (h) == NULL);
/* But send start again. Previous one should be dropped */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SEQ_NUM, 5);
map.data[AVTP_CVF_H264_HEADER_SIZE + 1] = (1 << 7) | 4; /* S = 1, type 4 */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 2], 8, 40);
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
fail_unless (gst_harness_try_pull (h) == NULL);
/* Finally, send ending fragment. It should come out a buffer
* whose content starts on 40 (starting of start fragment) */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SEQ_NUM, 6);
map.data[AVTP_CVF_H264_HEADER_SIZE + 1] = (1 << 6) | 4; /* E = 1, type 4 */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 2], 8, 48);
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
out = gst_harness_pull (h);
fail_unless_equals_uint64 (GST_BUFFER_DTS (out), 1000000);
fail_unless_equals_uint64 (GST_BUFFER_PTS (out), 2000000);
/* NAL is composed of 8 bytes fragment + reconstructed NAL header, so 17 bytes */
offset = 0;
nal = fetch_nal (out, &offset);
fail_unless_equals_uint64 (nal_size (nal), 17);
fail_unless (check_nal_filling (nal, 40) == TRUE);
fail_unless_equals_uint64 (nal_type (nal), 4);
/* Ensure no other NAL units are present */
nal = fetch_nal (out, &offset);
fail_unless (nal == NULL);
gst_buffer_unref (out);
gst_buffer_unref (in);
gst_harness_teardown (h);
}
GST_END_TEST;
/* This test jumps one seq_num, thus simulating a lost packet */
GST_START_TEST (test_depayloader_lost_packet)
{
GstHarness *h;
GstBuffer *in, *out, *nal;
const gint DATA_LEN = sizeof (guint32) + 4;
struct avtp_stream_pdu *pdu;
GstMapInfo map;
gsize offset;
/* Create the harness for the avtpcvfpay */
h = gst_harness_new ("avtpcvfdepay");
gst_harness_set_src_caps_str (h, "application/x-avtp");
/* Create the input AVTPDU header */
in = gst_harness_create_buffer (h, AVTP_CVF_H264_HEADER_SIZE + 4);
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_init (pdu, AVTP_CVF_FORMAT_SUBTYPE_H264);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_ID, STREAM_ID);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TIMESTAMP, 1000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_PTV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_TIMESTAMP, 2000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_DATA_LEN, DATA_LEN);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 0x7; /* Add NAL type */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 1], 3, 0);
gst_buffer_unmap (in, &map);
/* We push a copy so that we can change only what is necessary on our buffer */
gst_harness_push (h, gst_buffer_copy (in));
fail_unless (gst_harness_try_pull (h) == NULL);
/* Send second AVTPDU */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SEQ_NUM, 1);
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 1], 3, 0);
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
fail_unless (gst_harness_try_pull (h) == NULL);
/* Send third and last AVTPDU, but jumping one SEQ_NUM.
* This should make the first two NAL units to be flushed,
* despite M not being set on this third packet.
* Also, this NAL is not filled from 0, so if it somehow
* leaks - it's not supposed to go outside of the avtpcvdepay
* as it doesn't have M bit set - we can catch on checks below */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SEQ_NUM, 3);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 0x1; /* Add NAL type */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 1], 3, 5);
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
fail_unless_equals_int (gst_harness_buffers_received (h), 1);
out = gst_harness_pull (h);
fail_unless_equals_uint64 (GST_BUFFER_DTS (out), 1000000);
fail_unless_equals_uint64 (GST_BUFFER_PTS (out), 2000000);
/* Validate each NAL unit size and content */
offset = 0;
nal = fetch_nal (out, &offset);
fail_unless_equals_uint64 (nal_size (nal), 4);
fail_unless (check_nal_filling (nal, 0) == TRUE);
fail_unless_equals_uint64 (nal_type (nal), 7);
nal = fetch_nal (out, &offset);
fail_unless_equals_uint64 (nal_size (nal), 4);
fail_unless (check_nal_filling (nal, 0) == TRUE);
fail_unless_equals_uint64 (nal_type (nal), 7);
/* Ensure no other NAL units are present */
nal = fetch_nal (out, &offset);
fail_unless (nal == NULL);
gst_buffer_unref (out);
gst_buffer_unref (in);
gst_harness_teardown (h);
}
GST_END_TEST;
/* This test simulates a scenario in which one single NAL unit is sent,
* followed by a fragment without start bit set, so fragment is discarded
* and previous single NAL is sent to the pipeline, as avtpcvfdepay is not
* sure about the sanity of the data anymore - but hopes h264decoder knows
* what to do. This scenario emerges from misbehaving payloaders. */
GST_START_TEST (test_depayloader_single_and_messed_fragments)
{
GstHarness *h;
GstBuffer *in, *out, *nal;
const gint DATA_LEN = sizeof (guint32) + 4;
struct avtp_stream_pdu *pdu;
GstMapInfo map;
gsize offset;
/* Create the harness for the avtpcvfpay */
h = gst_harness_new ("avtpcvfdepay");
gst_harness_set_src_caps_str (h, "application/x-avtp");
/* Create the input AVTPDU header */
in = gst_harness_create_buffer (h, AVTP_CVF_H264_HEADER_SIZE + 4);
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_init (pdu, AVTP_CVF_FORMAT_SUBTYPE_H264);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_ID, STREAM_ID);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TIMESTAMP, 1000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_PTV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_TIMESTAMP, 2000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_DATA_LEN, DATA_LEN);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 0x1; /* Add NAL type */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 1], 3, 0);
gst_buffer_unmap (in, &map);
/* First, we send a single NAL with M = 0, so nothing should come out */
gst_harness_push (h, gst_buffer_copy (in));
fail_unless (gst_harness_try_pull (h) == NULL);
/* Then, we send invalid fragment */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SEQ_NUM, 1);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 3 << 5 | 28; /* NAL type FU-A, NRI 3 */
map.data[AVTP_CVF_H264_HEADER_SIZE + 1] = 4; /* S = 0, type 4 */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 2], 2, 0);
gst_buffer_unmap (in, &map);
/* When we push it, it should be discarded, but previous single NAL
* should come out */
out = gst_harness_push_and_pull (h, gst_buffer_copy (in));
/* Check that we got the right one */
fail_unless_equals_uint64 (GST_BUFFER_DTS (out), 1000000);
fail_unless_equals_uint64 (GST_BUFFER_PTS (out), 2000000);
offset = 0;
nal = fetch_nal (out, &offset);
fail_unless_equals_uint64 (nal_size (nal), 4);
fail_unless_equals_uint64 (nal_type (nal), 1);
fail_unless (check_nal_filling (nal, 0) == TRUE);
/* Ensure no other NAL units are present */
nal = fetch_nal (out, &offset);
fail_unless (nal == NULL);
gst_buffer_unref (out);
gst_buffer_unref (in);
gst_harness_teardown (h);
}
GST_END_TEST;
/* This test explores the case in which a fragment is followed by
* a single NAL - and not by an ending fragment. Fragments stored
* so far are dropped, and things shall flow normally for the single NAL.
* This can be created by a misbehaving payloader */
GST_START_TEST (test_depayloader_single_and_messed_fragments_2)
{
GstHarness *h;
GstBuffer *in, *out, *nal;
const gint DATA_LEN = sizeof (guint32) + 4;
struct avtp_stream_pdu *pdu;
GstMapInfo map;
gsize offset;
/* Create the harness for the avtpcvfpay */
h = gst_harness_new ("avtpcvfdepay");
gst_harness_set_src_caps_str (h, "application/x-avtp");
/* Create the input AVTPDU header */
in = gst_harness_create_buffer (h, AVTP_CVF_H264_HEADER_SIZE + 4);
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_init (pdu, AVTP_CVF_FORMAT_SUBTYPE_H264);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_ID, STREAM_ID);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TIMESTAMP, 1000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_PTV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_TIMESTAMP, 2000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_DATA_LEN, DATA_LEN);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 3 << 5 | 28; /* NAL type FU-A, NRI 3 */
map.data[AVTP_CVF_H264_HEADER_SIZE + 1] = (1 << 7) | 4; /* S = 1, type 4 */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 2], 2, 0);
gst_buffer_unmap (in, &map);
/* Send a perfectly valid start fragment */
gst_harness_push (h, gst_buffer_copy (in));
fail_unless (gst_harness_try_pull (h) == NULL);
/* Then, we send a single NAL. Previous fragment should be dropped */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SEQ_NUM, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 1);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 0x2; /* Add NAL type */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 1], 3, 5);
gst_buffer_unmap (in, &map);
/* When we push it, it should come out as it has M = 1 */
out = gst_harness_push_and_pull (h, gst_buffer_copy (in));
/* Check that we got the right one - its NAL filling should start with 5 */
fail_unless_equals_uint64 (GST_BUFFER_DTS (out), 1000000);
fail_unless_equals_uint64 (GST_BUFFER_PTS (out), 2000000);
offset = 0;
nal = fetch_nal (out, &offset);
fail_unless_equals_uint64 (nal_size (nal), 4);
fail_unless_equals_uint64 (nal_type (nal), 2);
fail_unless (check_nal_filling (nal, 5) == TRUE);
/* Ensure no other NAL units are present */
nal = fetch_nal (out, &offset);
fail_unless (nal == NULL);
/* To be really sure, send an ending fragment. It should be dropped,
* as there should not be any previous fragment on the wait */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SEQ_NUM, 2);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 1);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 3 << 5 | 28; /* NAL type FU-A, NRI 3 */
map.data[AVTP_CVF_H264_HEADER_SIZE + 1] = (1 << 6) | 4; /* E = 1, type 4 */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 2], 2, 2);
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
fail_unless (gst_harness_try_pull (h) == NULL);
gst_buffer_unref (out);
gst_buffer_unref (in);
gst_harness_teardown (h);
}
GST_END_TEST;
/* This test ensures that, if a fragment is dropped due arrival of a single
* NAL (and fragment was never completed), any previous single NAL waiting
* for M set NAL are flushed to the pipeline. avtpcvfdepay never sents known
* incomplete NAL units to the pipeline, but should not hold forever NALs
* waiting for an M set NAL - specially after something wrong already happened */
GST_START_TEST (test_depayloader_single_and_messed_fragments_3)
{
GstHarness *h;
GstBuffer *in, *out, *nal;
const gint DATA_LEN = sizeof (guint32) + 4;
struct avtp_stream_pdu *pdu;
GstMapInfo map;
gsize offset;
/* Create the harness for the avtpcvfpay */
h = gst_harness_new ("avtpcvfdepay");
gst_harness_set_src_caps_str (h, "application/x-avtp");
/* Create the input AVTPDU header */
in = gst_harness_create_buffer (h, AVTP_CVF_H264_HEADER_SIZE + 4);
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_init (pdu, AVTP_CVF_FORMAT_SUBTYPE_H264);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_ID, STREAM_ID);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TIMESTAMP, 1000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_PTV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_TIMESTAMP, 2000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_DATA_LEN, DATA_LEN);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 0x2; /* Add NAL type */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 1], 3, 0);
gst_buffer_unmap (in, &map);
/* Send a single NAL with M = 0, so nothing will come out */
gst_harness_push (h, gst_buffer_copy (in));
fail_unless (gst_harness_try_pull (h) == NULL);
/* Send a valid start fragment */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SEQ_NUM, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 0);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 3 << 5 | 28; /* NAL type FU-A, NRI 3 */
map.data[AVTP_CVF_H264_HEADER_SIZE + 1] = (1 << 7) | 4; /* S = 1, type 4 */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 2], 2, 0);
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
fail_unless (gst_harness_try_pull (h) == NULL);
/* Send a single NAL without ending fragment. So, both first NAL and second should
* come out, on two different buffers. Fragment should be gone. */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SEQ_NUM, 2);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 1);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 0x3; /* Add NAL type */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 1], 3, 7);
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
fail_unless_equals_uint64 (gst_harness_buffers_received (h), 2);
/* Check that we got the right ones. First has nal_type 2, and second 3.
* Second also has its nal filling starting from 7 */
out = gst_harness_pull (h);
fail_unless_equals_uint64 (GST_BUFFER_DTS (out), 1000000);
fail_unless_equals_uint64 (GST_BUFFER_PTS (out), 2000000);
offset = 0;
nal = fetch_nal (out, &offset);
fail_unless_equals_uint64 (nal_size (nal), 4);
fail_unless_equals_uint64 (nal_type (nal), 2);
fail_unless (check_nal_filling (nal, 0) == TRUE);
/* Ensure no other NAL units are present */
nal = fetch_nal (out, &offset);
fail_unless (nal == NULL);
gst_buffer_unref (out);
out = gst_harness_pull (h);
fail_unless_equals_uint64 (GST_BUFFER_DTS (out), 1000000);
fail_unless_equals_uint64 (GST_BUFFER_PTS (out), 2000000);
offset = 0;
nal = fetch_nal (out, &offset);
fail_unless_equals_uint64 (nal_size (nal), 4);
fail_unless_equals_uint64 (nal_type (nal), 3);
fail_unless (check_nal_filling (nal, 7) == TRUE);
/* Ensure no other NAL units are present */
nal = fetch_nal (out, &offset);
fail_unless (nal == NULL);
gst_buffer_unref (out);
/* To be really sure, send an ending fragment. It should be dropped,
* as there should not be any previous fragment on the wait */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SEQ_NUM, 3);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 1);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 3 << 5 | 28; /* NAL type FU-A, NRI 3 */
map.data[AVTP_CVF_H264_HEADER_SIZE + 1] = (1 << 6) | 4; /* E = 1, type 4 */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 2], 2, 2);
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
fail_unless (gst_harness_try_pull (h) == NULL);
gst_buffer_unref (in);
gst_harness_teardown (h);
}
GST_END_TEST;
GST_START_TEST (test_depayloader_property)
{
GstHarness *h;
GstElement *element;
guint64 streamid;
/* Create the harness for the avtpcvfpay */
h = gst_harness_new_parse ("avtpcvfdepay streamid=0xAABBCCDDEEFF0001");
/* Check if property was properly set up */
element = gst_harness_find_element (h, "avtpcvfdepay");
g_object_get (G_OBJECT (element), "streamid", &streamid, NULL);
fail_unless_equals_uint64 (streamid, 0xAABBCCDDEEFF0001);
gst_harness_teardown (h);
}
GST_END_TEST;
/* Tests if everything goes right when a single NAL unit without M bit is
* followed by fragments that, when merged, have the M bit set */
GST_START_TEST (test_depayloader_single_and_fragmented)
{
GstHarness *h;
GstBuffer *in, *out, *nal;
const gint DATA_LEN = sizeof (guint32) + 4;
struct avtp_stream_pdu *pdu;
GstMapInfo map;
gsize offset;
/* Create the harness for the avtpcvfpay */
h = gst_harness_new ("avtpcvfdepay");
gst_harness_set_src_caps_str (h, "application/x-avtp");
/* Create the input AVTPDU header */
in = gst_harness_create_buffer (h, AVTP_CVF_H264_HEADER_SIZE + 4);
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_init (pdu, AVTP_CVF_FORMAT_SUBTYPE_H264);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_ID, STREAM_ID);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TIMESTAMP, 1000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_PTV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_TIMESTAMP, 2000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_DATA_LEN, DATA_LEN);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 0x1; /* Add NAL type */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 1], 3, 0);
gst_buffer_unmap (in, &map);
/* First, we send a single NAL with M = 0, so nothing should come out */
gst_harness_push (h, gst_buffer_copy (in));
fail_unless (gst_harness_try_pull (h) == NULL);
/* Then, we send first fragment */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SEQ_NUM, 1);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 3 << 5 | 28; /* NAL type FU-A, NRI 3 */
map.data[AVTP_CVF_H264_HEADER_SIZE + 1] = (1 << 7) | 4; /* S = 1, type 4 */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 2], 2, 0);
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
fail_unless (gst_harness_try_pull (h) == NULL);
/* And last */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SEQ_NUM, 2);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 1);
map.data[AVTP_CVF_H264_HEADER_SIZE + 1] = (1 << 6) | 4; /* E = 1, type 4 */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 2], 2, 2);
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
fail_unless_equals_int (gst_harness_buffers_received (h), 1);
out = gst_harness_pull (h);
fail_unless_equals_uint64 (GST_BUFFER_DTS (out), 1000000);
fail_unless_equals_uint64 (GST_BUFFER_PTS (out), 2000000);
/* Validate each NAL unit size and content */
offset = 0;
nal = fetch_nal (out, &offset);
fail_unless_equals_uint64 (nal_size (nal), 4);
fail_unless (check_nal_filling (nal, 0) == TRUE);
fail_unless_equals_uint64 (nal_type (nal), 1);
nal = fetch_nal (out, &offset);
fail_unless_equals_uint64 (nal_size (nal), 5);
fail_unless (check_nal_filling (nal, 0) == TRUE);
fail_unless_equals_uint64 (nal_type (nal), 4);
/* Ensure no other NAL units are present */
nal = fetch_nal (out, &offset);
fail_unless (nal == NULL);
gst_buffer_unref (out);
gst_buffer_unref (in);
gst_harness_teardown (h);
}
GST_END_TEST;
/* Tests a simple fragmented NAL scenario */
GST_START_TEST (test_depayloader_fragmented)
{
GstHarness *h;
GstBuffer *in, *out, *nal;
const gint DATA_LEN = sizeof (guint32) + 10;
struct avtp_stream_pdu *pdu;
GstMapInfo map;
gsize offset;
/* Create the harness for the avtpcvfpay */
h = gst_harness_new ("avtpcvfdepay");
gst_harness_set_src_caps_str (h, "application/x-avtp");
/* Create the input AVTPDU */
in = gst_harness_create_buffer (h, AVTP_CVF_H264_HEADER_SIZE + 10);
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_init (pdu, AVTP_CVF_FORMAT_SUBTYPE_H264);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_ID, STREAM_ID);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TV, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TIMESTAMP, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_PTV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_TIMESTAMP, 2000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_DATA_LEN, DATA_LEN);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 3 << 5 | 28; /* NAL type FU-A, NRI 3 */
map.data[AVTP_CVF_H264_HEADER_SIZE + 1] = (1 << 7) | 4; /* S = 1, type 4 */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 2], 8, 0);
gst_buffer_unmap (in, &map);
/* We push a copy so that we can change only what is necessary on our buffer */
gst_harness_push (h, gst_buffer_copy (in));
fail_unless (gst_harness_try_pull (h) == NULL);
/* Send second AVTPDU */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SEQ_NUM, 1);
map.data[AVTP_CVF_H264_HEADER_SIZE + 1] = 4; /* type 4 */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 2], 8, 8);
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
fail_unless (gst_harness_try_pull (h) == NULL);
/* Send third and last AVTPDU */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TIMESTAMP, 1000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SEQ_NUM, 2);
map.data[AVTP_CVF_H264_HEADER_SIZE + 1] = (1 << 6) | 4; /* E = 1, type 4 */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 2], 8, 16);
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
fail_unless_equals_int (gst_harness_buffers_received (h), 1);
out = gst_harness_pull (h);
fail_unless_equals_uint64 (GST_BUFFER_DTS (out), 1000000);
fail_unless_equals_uint64 (GST_BUFFER_PTS (out), 2000000);
offset = 0;
nal = fetch_nal (out, &offset);
fail_unless_equals_uint64 (nal_size (nal), 25);
fail_unless (check_nal_filling (nal, 0) == TRUE);
fail_unless_equals_uint64 (nal_type (nal), 4);
gst_buffer_unref (out);
gst_buffer_unref (in);
gst_harness_teardown (h);
}
GST_END_TEST;
/* Tests a big fragmented NAL scenario */
GST_START_TEST (test_depayloader_fragmented_big)
{
GstHarness *h;
GstBuffer *in, *out, *nal;
const gint DATA_LEN = 1470;
struct avtp_stream_pdu *pdu;
/* 12000 * 1468 > 2^24 - so we can check if nal size is retrieved correctly */
const gint nal_count = 12000;
guint8 seq_num = 0;
GstMapInfo map;
gsize offset;
gint i;
/* Create the harness for the avtpcvfpay */
h = gst_harness_new ("avtpcvfdepay");
gst_harness_set_src_caps_str (h, "application/x-avtp");
/* Create the input AVTPDU */
in = gst_harness_create_buffer (h, AVTP_CVF_H264_HEADER_SIZE + DATA_LEN);
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_init (pdu, AVTP_CVF_FORMAT_SUBTYPE_H264);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_ID, STREAM_ID);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TV, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TIMESTAMP, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_PTV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_TIMESTAMP, 2000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_DATA_LEN,
DATA_LEN + sizeof (guint32));
map.data[AVTP_CVF_H264_HEADER_SIZE] = 3 << 5 | 28; /* NAL type FU-A, NRI 3 */
map.data[AVTP_CVF_H264_HEADER_SIZE + 1] = (1 << 7) | 4; /* S = 1, type 4 */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 2], DATA_LEN - 2, 0);
gst_buffer_unmap (in, &map);
/* We push a copy so that we can change only what is necessary on our buffer */
gst_harness_push (h, gst_buffer_copy (in));
fail_unless (gst_harness_try_pull (h) == NULL);
/* Loop sending fragments. The idea is to create a NAL unit big enough
* to use the 4 bytes of nal_length_size */
for (i = 0; i < nal_count - 1; i++) {
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SEQ_NUM, ++seq_num);
map.data[AVTP_CVF_H264_HEADER_SIZE + 1] = 4; /* type 4 */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 2], DATA_LEN - 2,
(guint8) ((DATA_LEN - 2) * seq_num));
/* Last one is special - need to set M and TV, etc */
if (i == nal_count - 2) {
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TIMESTAMP, 1000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 1);
map.data[AVTP_CVF_H264_HEADER_SIZE + 1] = (1 << 6) | 4; /* E = 1, type 4 */
}
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
if (i < nal_count - 2)
fail_unless (gst_harness_try_pull (h) == NULL);
}
/* After last one was sent, we check everything */
fail_unless_equals_int (gst_harness_buffers_received (h), 1);
out = gst_harness_pull (h);
fail_unless_equals_uint64 (GST_BUFFER_DTS (out), 1000000);
fail_unless_equals_uint64 (GST_BUFFER_PTS (out), 2000000);
offset = 0;
nal = fetch_nal (out, &offset);
fail_unless_equals_uint64 (nal_size (nal), (DATA_LEN - 2) * nal_count + 1);
fail_unless (check_nal_filling (nal, 0) == TRUE);
fail_unless_equals_uint64 (nal_type (nal), 4);
gst_buffer_unref (out);
gst_buffer_unref (in);
gst_harness_teardown (h);
}
GST_END_TEST;
/* Tests several single NAL units. They should be grouped and delivered
* to the pipeline only when one NAL unit with M bit set arrives */
GST_START_TEST (test_depayloader_multiple_single)
{
GstHarness *h;
GstBuffer *in, *out, *nal;
const gint DATA_LEN = sizeof (guint32) + 4;
struct avtp_stream_pdu *pdu;
GstMapInfo map;
gsize offset;
/* Create the harness for the avtpcvfpay */
h = gst_harness_new ("avtpcvfdepay");
gst_harness_set_src_caps_str (h, "application/x-avtp");
/* Create the input AVTPDU header */
in = gst_harness_create_buffer (h, AVTP_CVF_H264_HEADER_SIZE + 4);
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_init (pdu, AVTP_CVF_FORMAT_SUBTYPE_H264);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_ID, STREAM_ID);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 0);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TIMESTAMP, 1000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_PTV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_TIMESTAMP, 2000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_DATA_LEN, DATA_LEN);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 0x7; /* Add NAL type */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 1], 3, 0);
gst_buffer_unmap (in, &map);
/* We push a copy so that we can change only what is necessary on our buffer */
gst_harness_push (h, gst_buffer_copy (in));
fail_unless (gst_harness_try_pull (h) == NULL);
/* Send second AVTPDU */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SEQ_NUM, 1);
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 1], 3, 0);
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
fail_unless (gst_harness_try_pull (h) == NULL);
/* Send third and last AVTPDU */
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_SEQ_NUM, 2);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 0x1; /* Add NAL type */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 1], 3, 0);
gst_buffer_unmap (in, &map);
gst_harness_push (h, gst_buffer_copy (in));
fail_unless_equals_int (gst_harness_buffers_received (h), 1);
out = gst_harness_pull (h);
fail_unless_equals_uint64 (GST_BUFFER_DTS (out), 1000000);
fail_unless_equals_uint64 (GST_BUFFER_PTS (out), 2000000);
/* Validate each NAL unit size and content */
offset = 0;
nal = fetch_nal (out, &offset);
fail_unless_equals_uint64 (nal_size (nal), 4);
fail_unless (check_nal_filling (nal, 0) == TRUE);
fail_unless_equals_uint64 (nal_type (nal), 7);
nal = fetch_nal (out, &offset);
fail_unless_equals_uint64 (nal_size (nal), 4);
fail_unless (check_nal_filling (nal, 0) == TRUE);
fail_unless_equals_uint64 (nal_type (nal), 7);
nal = fetch_nal (out, &offset);
fail_unless_equals_uint64 (nal_size (nal), 4);
fail_unless (check_nal_filling (nal, 0) == TRUE);
fail_unless_equals_uint64 (nal_type (nal), 1);
/* Ensure no other NAL units are present */
nal = fetch_nal (out, &offset);
fail_unless (nal == NULL);
gst_buffer_unref (out);
gst_buffer_unref (in);
gst_harness_teardown (h);
}
GST_END_TEST;
GST_START_TEST (test_depayloader_single)
{
GstHarness *h;
GstBuffer *in, *out;
const gint DATA_LEN = sizeof (guint32) + 4;
struct avtp_stream_pdu *pdu;
GstMapInfo map;
/* Create the harness for the avtpcvfpay */
h = gst_harness_new ("avtpcvfdepay");
gst_harness_set_src_caps_str (h, "application/x-avtp");
/* Create the input AVTPDU header */
in = gst_harness_create_buffer (h, AVTP_CVF_H264_HEADER_SIZE + 4);
gst_buffer_map (in, &map, GST_MAP_READWRITE);
pdu = (struct avtp_stream_pdu *) map.data;
avtp_cvf_pdu_init (pdu, AVTP_CVF_FORMAT_SUBTYPE_H264);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_ID, STREAM_ID);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_M, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_TIMESTAMP, 1000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_PTV, 1);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_H264_TIMESTAMP, 2000000);
avtp_cvf_pdu_set (pdu, AVTP_CVF_FIELD_STREAM_DATA_LEN, DATA_LEN);
map.data[AVTP_CVF_H264_HEADER_SIZE] = 0x1; /* Add NAL type */
fill_nal (&map.data[AVTP_CVF_H264_HEADER_SIZE + 1], 3, 0);
gst_buffer_unmap (in, &map);
out = gst_harness_push_and_pull (h, in);
fail_unless_equals_uint64 (GST_BUFFER_DTS (out), 1000000);
fail_unless_equals_uint64 (GST_BUFFER_PTS (out), 2000000);
fail_unless_equals_uint64 (nal_size (out), 4);
fail_unless_equals_uint64 (nal_type (out), 1);
fail_unless (check_nal_filling (out, 0) == TRUE);
gst_buffer_unref (out);
gst_harness_teardown (h);
}
GST_END_TEST;
static Suite *
avtpcvfdepay_suite (void)
{
Suite *s = suite_create ("avtpcvfdepay");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
/* 'fragmented_big' may take some time to run, so give it a bit more time */
tcase_set_timeout (tc_chain, 10);
tcase_add_test (tc_chain, test_depayloader_single);
tcase_add_test (tc_chain, test_depayloader_multiple_single);
tcase_add_test (tc_chain, test_depayloader_fragmented);
tcase_add_test (tc_chain, test_depayloader_fragmented_big);
tcase_add_test (tc_chain, test_depayloader_single_and_fragmented);
tcase_add_test (tc_chain, test_depayloader_property);
tcase_add_test (tc_chain, test_depayloader_lost_packet);
tcase_add_test (tc_chain, test_depayloader_lost_fragments);
tcase_add_test (tc_chain, test_depayloader_single_and_messed_fragments);
tcase_add_test (tc_chain, test_depayloader_single_and_messed_fragments_2);
tcase_add_test (tc_chain, test_depayloader_single_and_messed_fragments_3);
tcase_add_test (tc_chain, test_depayloader_invalid_avtpdu);
avtpcvfdepay: Don't hide gst_pad_push return avtpcvfdepay was effectively hiding any return from gst_pad_push, so no errors or GST_FLOW_EOS would be propagated upstream. Tests also added.
2019-11-01 22:58:47 +00:00
tcase_add_test (tc_chain, test_depayloader_single_eos);
tcase_add_test (tc_chain, test_depayloader_fragmented_eos);
tcase_add_test (tc_chain, test_depayloader_fragmented_two_start_eos);
tcase_add_test (tc_chain, test_depayloader_multiple_lost_eos);
tcase_add_test (tc_chain, test_depayloader_fragment_and_single);
tests: Add AVTP CVF depayloader tests In these tests, some specially crafted buffers are sent to the depayloader, simulating some scenarios and checking what comes out from it.
2019-03-26 21:25:56 +00:00
return s;
}
GST_CHECK_MAIN (avtpcvfdepay);
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