gstreamer/tests/check/elements/nvenc.c

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2018-12-13 13:19:30 +00:00
/* 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>
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static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-h264, "
"width = (int) [1, MAX], "
"height = (int) [1, MAX], " "framerate = (fraction) [0, MAX]"));
static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-raw, "
"format = (string) NV12, "
"width = (int) [1, MAX], "
"height = (int) [1, MAX], " "framerate = (fraction) [0, MAX]"));
static GstPad *sinkpad, *srcpad;
static GstElement *
setup_nvenc (const gchar * src_caps_str, GstCaps ** srccaps)
{
GstElement *nvenc;
GstCaps *caps = NULL;
GstBus *bus;
caps = gst_caps_from_string (src_caps_str);
fail_unless (caps != NULL);
nvenc = gst_check_setup_element ("nvh264enc");
fail_unless (nvenc != NULL);
srcpad = gst_check_setup_src_pad (nvenc, &srctemplate);
sinkpad = gst_check_setup_sink_pad (nvenc, &sinktemplate);
gst_pad_set_active (srcpad, TRUE);
gst_pad_set_active (sinkpad, TRUE);
bus = gst_bus_new ();
gst_element_set_bus (nvenc, bus);
*srccaps = caps;
buffers = NULL;
return nvenc;
}
static void
cleanup_nvenc (GstElement * nvenc)
{
GstBus *bus;
/* Free parsed buffers */
gst_check_drop_buffers ();
bus = GST_ELEMENT_BUS (nvenc);
gst_bus_set_flushing (bus, TRUE);
gst_object_unref (bus);
gst_pad_set_active (srcpad, FALSE);
gst_pad_set_active (sinkpad, FALSE);
gst_check_teardown_src_pad (nvenc);
gst_check_teardown_sink_pad (nvenc);
gst_check_teardown_element (nvenc);
}
GST_START_TEST (test_encode_simple)
{
GstElement *nvenc;
GstBuffer *buffer;
gint i;
GList *iter;
GstCaps *outcaps, *sinkcaps, *srccaps;
GstSegment seg;
nvenc =
setup_nvenc
("video/x-raw,format=(string)NV12,width=(int)320,height=(int)240,"
"framerate=(fraction)25/1,interlace-mode=(string)progressive", &srccaps);
ASSERT_SET_STATE (nvenc, GST_STATE_PLAYING, GST_STATE_CHANGE_SUCCESS);
gst_segment_init (&seg, GST_FORMAT_TIME);
seg.stop = gst_util_uint64_scale (10, GST_SECOND, 25);
gst_check_setup_events (srcpad, nvenc, srccaps, GST_FORMAT_TIME);
fail_unless (gst_pad_push_event (srcpad, gst_event_new_segment (&seg)));
buffer = gst_buffer_new_allocate (NULL, 320 * 240 + 2 * 160 * 120, NULL);
gst_buffer_memset (buffer, 0, 0, -1);
for (i = 0; i < 10; i++) {
GST_BUFFER_TIMESTAMP (buffer) = gst_util_uint64_scale (i, GST_SECOND, 25);
GST_BUFFER_DURATION (buffer) = gst_util_uint64_scale (1, GST_SECOND, 25);
fail_unless (gst_pad_push (srcpad, gst_buffer_ref (buffer)) == GST_FLOW_OK);
}
gst_buffer_unref (buffer);
fail_unless (gst_pad_push_event (srcpad, gst_event_new_eos ()));
/* All buffers must be there now */
fail_unless_equals_int (g_list_length (buffers), 10);
outcaps =
gst_caps_from_string
("video/x-h264,width=(int)320,height=(int)240,framerate=(fraction)25/1");
for (iter = buffers; iter; iter = g_list_next (iter)) {
buffer = iter->data;
fail_unless_equals_uint64 (GST_BUFFER_DURATION (buffer),
gst_util_uint64_scale (1, GST_SECOND, 25));
sinkcaps = gst_pad_get_current_caps (sinkpad);
fail_unless (gst_caps_can_intersect (sinkcaps, outcaps));
gst_caps_unref (sinkcaps);
}
gst_caps_unref (outcaps);
gst_caps_unref (srccaps);
cleanup_nvenc (nvenc);
}
GST_END_TEST;
GST_START_TEST (test_reuse)
{
GstElement *nvenc;
GstBuffer *buffer;
gint i, loop;
GList *iter;
GstCaps *outcaps, *sinkcaps;
GstSegment seg;
GstCaps *srccaps;
nvenc =
setup_nvenc
("video/x-raw,format=(string)NV12,width=(int)320,height=(int)240,"
"framerate=(fraction)25/1,interlace-mode=(string)progressive", &srccaps);
for (loop = 0; loop < 2; loop++) {
ASSERT_SET_STATE (nvenc, GST_STATE_PLAYING, GST_STATE_CHANGE_SUCCESS);
gst_segment_init (&seg, GST_FORMAT_TIME);
seg.stop = gst_util_uint64_scale (10, GST_SECOND, 25);
gst_check_setup_events (srcpad, nvenc, srccaps, GST_FORMAT_TIME);
fail_unless (gst_pad_push_event (srcpad, gst_event_new_segment (&seg)));
gst_segment_init (&seg, GST_FORMAT_TIME);
seg.stop = gst_util_uint64_scale (10, GST_SECOND, 25);
fail_unless (gst_pad_push_event (srcpad, gst_event_new_segment (&seg)));
buffer = gst_buffer_new_allocate (NULL, 320 * 240 + 2 * 160 * 120, NULL);
gst_buffer_memset (buffer, 0, 0, -1);
for (i = 0; i < 10; i++) {
GST_BUFFER_TIMESTAMP (buffer) = gst_util_uint64_scale (i, GST_SECOND, 25);
GST_BUFFER_DURATION (buffer) = gst_util_uint64_scale (1, GST_SECOND, 25);
fail_unless (gst_pad_push (srcpad,
gst_buffer_ref (buffer)) == GST_FLOW_OK);
}
gst_buffer_unref (buffer);
fail_unless (gst_pad_push_event (srcpad, gst_event_new_eos ()));
/* All buffers must be there now */
fail_unless_equals_int (g_list_length (buffers), 10);
outcaps =
gst_caps_from_string
("video/x-h264,width=(int)320,height=(int)240,framerate=(fraction)25/1");
for (iter = buffers; iter; iter = g_list_next (iter)) {
buffer = iter->data;
fail_unless_equals_uint64 (GST_BUFFER_DURATION (buffer),
gst_util_uint64_scale (1, GST_SECOND, 25));
sinkcaps = gst_pad_get_current_caps (sinkpad);
fail_unless (gst_caps_can_intersect (sinkcaps, outcaps));
gst_caps_unref (sinkcaps);
}
gst_check_drop_buffers ();
gst_caps_unref (outcaps);
ASSERT_SET_STATE (nvenc, GST_STATE_READY, GST_STATE_CHANGE_SUCCESS);
}
gst_caps_unref (srccaps);
cleanup_nvenc (nvenc);
}
GST_END_TEST;
GST_START_TEST (test_caps_interlace_mode)
{
GstElement *nvenc;
GstBuffer *buffer;
GstCaps *caps, *srccaps;
GstSegment seg;
nvenc =
setup_nvenc
("video/x-raw,format=(string)NV12,width=(int)320,height=(int)240,"
"framerate=(fraction)25/1", &srccaps);
ASSERT_SET_STATE (nvenc, GST_STATE_PLAYING, GST_STATE_CHANGE_SUCCESS);
gst_check_setup_events (srcpad, nvenc, srccaps, GST_FORMAT_TIME);
gst_segment_init (&seg, GST_FORMAT_TIME);
fail_unless (gst_pad_push_event (srcpad, gst_event_new_segment (&seg)));
buffer = gst_buffer_new_allocate (NULL, 320 * 240 + 2 * 160 * 120, NULL);
gst_buffer_memset (buffer, 0, 0, -1);
/* empty interlace-mode */
GST_BUFFER_TIMESTAMP (buffer) = 0;
GST_BUFFER_DURATION (buffer) = gst_util_uint64_scale (1, GST_SECOND, 25);
fail_unless (gst_pad_push (srcpad, gst_buffer_ref (buffer)) == GST_FLOW_OK);
/* always valid interlace mode */
caps =
gst_caps_from_string
("video/x-raw,format=(string)NV12,width=(int)320,height=(int)240,"
"framerate=(fraction)25/1,interlace-mode=(string)progressive");
fail_unless (gst_pad_push_event (srcpad, gst_event_new_caps (caps)));
gst_caps_unref (caps);
GST_BUFFER_TIMESTAMP (buffer) = gst_util_uint64_scale (1, GST_SECOND, 25);
GST_BUFFER_DURATION (buffer) = gst_util_uint64_scale (1, GST_SECOND, 25);
fail_unless (gst_pad_push (srcpad, gst_buffer_ref (buffer)) == GST_FLOW_OK);
/* not-supported interlace mode */
caps =
gst_caps_from_string
("video/x-raw,format=(string)NV12,width=(int)320,height=(int)240,"
"framerate=(fraction)25/1,interlace-mode=(string)alternate");
fail_unless (gst_pad_push_event (srcpad, gst_event_new_caps (caps)));
gst_caps_unref (caps);
GST_BUFFER_TIMESTAMP (buffer) = gst_util_uint64_scale (2, GST_SECOND, 25);
GST_BUFFER_DURATION (buffer) = gst_util_uint64_scale (1, GST_SECOND, 25);
fail_if (gst_pad_push (srcpad, gst_buffer_ref (buffer)) == GST_FLOW_OK);
gst_buffer_unref (buffer);
gst_caps_unref (srccaps);
cleanup_nvenc (nvenc);
}
GST_END_TEST;
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#define MAX_PUSH_BUFFER 64
static void
resolution_change_common (gint from_width, gint from_height, gint to_width,
gint to_height)
{
GstHarness *h;
GstCaps *caps;
GstEvent *event;
GstBuffer *in_buf, *out_buf = NULL;
GstFlowReturn ret;
gint i = 0;
h = gst_harness_new_parse ("nvh264enc ! h264parse");
fail_unless (h != NULL);
gst_harness_play (h);
caps = gst_caps_from_string ("video/x-raw,format=NV12");
gst_caps_set_simple (caps, "width", G_TYPE_INT, from_width,
"height", G_TYPE_INT, from_height, NULL);
gst_harness_set_src_caps (h, caps);
in_buf = gst_buffer_new_and_alloc ((from_width * from_height) * 3 / 2);
gst_buffer_memset (in_buf, 0, 0, -1);
GST_BUFFER_DURATION (in_buf) = GST_SECOND;
GST_BUFFER_DTS (in_buf) = GST_CLOCK_TIME_NONE;
/* Push buffers until get encoder output */
do {
fail_if (i > MAX_PUSH_BUFFER);
GST_BUFFER_PTS (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);
gst_buffer_unref (in_buf);
/* change resolution */
caps = gst_caps_from_string ("video/x-raw,format=NV12");
gst_caps_set_simple (caps, "width", G_TYPE_INT, to_width,
"height", G_TYPE_INT, to_width, NULL);
GST_DEBUG ("Set new resolution %dx%d", to_width, to_height);
gst_harness_set_src_caps (h, caps);
in_buf = gst_buffer_new_and_alloc ((to_width * to_height) * 3 / 2);
gst_buffer_memset (in_buf, 0, 0, -1);
GST_BUFFER_PTS (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));
/* push EOS to drain all buffers */
fail_unless (gst_harness_push_event (h, gst_event_new_eos ()));
do {
gboolean term = FALSE;
event = gst_harness_pull_event (h);
/* wait until get EOS event */
if (event) {
if (GST_EVENT_TYPE (event) == GST_EVENT_EOS)
term = TRUE;
gst_event_unref (event);
if (term)
break;
}
} while (out_buf == NULL);
/* check the last resolution from caps */
caps = gst_pad_get_current_caps (h->sinkpad);
fail_unless (caps != NULL);
GST_DEBUG ("last encoder src caps %" GST_PTR_FORMAT, caps);
{
gint val;
GstStructure *s;
s = gst_caps_get_structure (caps, 0);
fail_unless_equals_string (gst_structure_get_name (s), "video/x-h264");
fail_unless (gst_structure_get_int (s, "width", &val));
fail_unless_equals_int (val, to_width);
fail_unless (gst_structure_get_int (s, "height", &val));
fail_unless_equals_int (val, to_height);
}
gst_caps_unref (caps);
gst_harness_teardown (h);
}
GST_START_TEST (test_resolution_change_to_larger)
{
resolution_change_common (64, 64, 128, 128);
}
GST_END_TEST;
GST_START_TEST (test_resolution_change_to_smaller)
{
resolution_change_common (128, 128, 64, 64);
}
GST_END_TEST;
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static gboolean
check_nvenc_available (void)
{
gboolean ret = TRUE;
GstElement *nvenc;
nvenc = gst_element_factory_make ("nvh264enc", NULL);
if (!nvenc) {
GST_WARNING ("nvh264enc is not available, possibly driver load failure");
return FALSE;
}
/* GST_STATE_READY is meaning that driver could be loaded */
if (gst_element_set_state (nvenc,
GST_STATE_PAUSED) != GST_STATE_CHANGE_SUCCESS) {
GST_WARNING ("cannot open device");
ret = FALSE;
}
gst_element_set_state (nvenc, GST_STATE_NULL);
gst_object_unref (nvenc);
return ret;
}
static Suite *
nvenc_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 ("nvenc");
tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
if (!check_nvenc_available ()) {
GST_DEBUG ("Skip nvenc test since cannot open device");
goto end;
}
tcase_add_test (tc_chain, test_encode_simple);
tcase_add_test (tc_chain, test_reuse);
tcase_add_test (tc_chain, test_caps_interlace_mode);
tcase_add_test (tc_chain, test_resolution_change_to_larger);
tcase_add_test (tc_chain, test_resolution_change_to_smaller);
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end:
return s;
}
GST_CHECK_MAIN (nvenc);