tests: Add nvenc unit test

tests/check/Makefile.am

@@ -223,6 +223,12 @@ else
 check_msdk=
 endif
 
+if USE_NVENC
+check_nvenc=elements/nvenc
+else
+check_nvenc=
+endif
+
 VALGRIND_TO_FIX = \
 	elements/mpeg2enc \
 	elements/mplex    \
@@ -306,6 +312,7 @@ check_PROGRAMS = \
 	$(check_player) \
 	$(check_webrtc) \
 	$(check_msdk) \
+	$(check_nvenc) \
 	$(EXPERIMENTAL_CHECKS)
 
 noinst_HEADERS = elements/mxfdemux.h libs/isoff.h

tests/check/elements/nvenc.c

@@ -0,0 +1,271 @@
+/* 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>
+
+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;
+
+
+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);
+
+end:
+  return s;
+}
+
+GST_CHECK_MAIN (nvenc);

tests/check/meson.build

@@ -14,6 +14,15 @@ exif_dep = dependency('libexif', version : '>= 0.6.16', required : false)
 
 enable_gst_player_tests = get_option('gst_player_tests')
 
+# Need explicit dependency listing for nvenc on Windows
+nvenc_test_deps = []
+if cuda_dep.found() and cudart_dep.found()
+  nvenc_test_deps += [cuda_dep, cudart_dep, gmodule_dep, gstgl_dep]
+  if use_nvenc_gl
+    nvenc_test_deps += gstgl_dep
+  endif
+endif
+
 # name, condition when to skip the test and extra dependencies
 base_tests = [
   [['elements/aiffparse.c']],
@@ -33,6 +42,7 @@ base_tests = [
   [['elements/msdkh264enc.c'], not have_msdk, [msdk_dep]],
   [['elements/mxfdemux.c']],
   [['elements/mxfmux.c']],
+  [['elements/nvenc.c'], not cuda_dep.found() or not cudart_dep.found(), nvenc_test_deps],
   [['elements/pcapparse.c'], false, [libparser_dep]],
   [['elements/pnm.c']],
   [['elements/rtponvifparse.c']],