gstreamer/tests/check/elements/nvdec.c
2019-11-05 09:11:25 -05:00

227 lines
9.2 KiB
C

/* GStreamer
* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.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 <gst/check/gstharness.h>
#include <string.h>
/* 64x64 h264 byte-stream format keyframe with sps/pps
* encoded using x264enc with videotestsrc */
static guint8 h264_frame[] = {
0x00, 0x00, 0x00, 0x01, 0x09, 0x10, 0x00, 0x00, 0x00, 0x01, 0x67, 0x64,
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0x07, 0x22, 0xb6, 0x0b, 0xa8, 0xf7, 0xa2, 0x9c, 0x8c, 0x81, 0xee, 0x0c,
0x19, 0x51, 0xa2, 0x7c, 0x81, 0xbd, 0x7b, 0x46, 0xcd
};
static guint h264_frame_len = 849;
#define MAX_PUSH_BUFFER 64
GST_START_TEST (test_downstream_reconfigure)
{
GstHarness *h;
GstElement *capsfilter;
GstCaps *caps;
GstBuffer *in_buf, *out_buf = NULL;
GstMapInfo map;
GstFlowReturn ret;
gint i = 0;
h = gst_harness_new_parse ("h264parse ! nvh264dec ! capsfilter");
fail_unless (h != NULL);
capsfilter = gst_harness_find_element (h, "capsfilter");
gst_harness_play (h);
gst_harness_set_src_caps_str (h, "video/x-h264,width=64,height=64,"
"stream-format=byte-stream,alignment=au");
/* enforce system memory */
caps = gst_caps_from_string ("video/x-raw");
g_object_set (capsfilter, "caps", caps, NULL);
gst_caps_unref (caps);
in_buf = gst_buffer_new_and_alloc (h264_frame_len);
gst_buffer_map (in_buf, &map, GST_MAP_WRITE);
memcpy (map.data, h264_frame, h264_frame_len);
gst_buffer_unmap (in_buf, &map);
GST_BUFFER_DURATION (in_buf) = GST_SECOND;
/* Push buffers until get decoder output */
do {
fail_if (i > MAX_PUSH_BUFFER);
GST_BUFFER_PTS (in_buf) = GST_BUFFER_DTS (in_buf) = i * GST_SECOND;
ret = gst_harness_push (h, gst_buffer_ref (in_buf));
fail_unless (ret == GST_FLOW_OK, "GstFlowReturn was %s",
gst_flow_get_name (ret));
out_buf = gst_harness_try_pull (h);
i++;
} while (out_buf == NULL);
gst_buffer_unref (out_buf);
/* Use opengl memory */
caps = gst_caps_from_string ("video/x-raw(memory:GLMemory)");
g_object_set (capsfilter, "caps", caps, NULL);
gst_caps_unref (caps);
do {
fail_if (i > 2 * MAX_PUSH_BUFFER);
GST_BUFFER_PTS (in_buf) = GST_BUFFER_DTS (in_buf) = i * GST_SECOND;
ret = gst_harness_push (h, gst_buffer_ref (in_buf));
fail_unless (ret == GST_FLOW_OK, "GstFlowReturn was %s",
gst_flow_get_name (ret));
out_buf = gst_harness_try_pull (h);
i++;
} while (out_buf == NULL);
gst_buffer_unref (in_buf);
gst_buffer_unref (out_buf);
gst_object_unref (capsfilter);
gst_harness_teardown (h);
}
GST_END_TEST;
static gboolean
check_nvcodec_available (void)
{
gboolean ret = TRUE;
GstElement *nvdec;
nvdec = gst_element_factory_make ("nvh264dec", NULL);
if (!nvdec) {
GST_WARNING ("nvh264dec is not available, possibly driver load failure");
return FALSE;
}
/* GST_STATE_READY is meaning that driver could be loaded */
if (gst_element_set_state (nvdec,
GST_STATE_PAUSED) != GST_STATE_CHANGE_SUCCESS) {
GST_WARNING ("cannot open device");
ret = FALSE;
}
gst_element_set_state (nvdec, GST_STATE_NULL);
gst_object_unref (nvdec);
return ret;
}
static Suite *
nvdec_suite (void)
{
Suite *s;
TCase *tc_chain;
/* HACK: cuda device init/deinit with fork seems to problematic */
g_setenv ("CK_FORK", "no", TRUE);
s = suite_create ("nvdec");
tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
if (!check_nvcodec_available ()) {
GST_DEBUG ("Skip nvdec test since cannot open device");
goto end;
}
tcase_add_test (tc_chain, test_downstream_reconfigure);
end:
return s;
}
GST_CHECK_MAIN (nvdec);