debugutils: Introduce videocodectestsink

This is a video specific sink used to test video CODEC conformance. This is similar
to a combination of filesink and testsink, but will skip over any type of
padding that GStreamer Video library introduces. This is needed in order to obtain the
correct checksum or raw yuv data.

This element currently support writing back non-padded raw I420 through the
location property and will calculate an MD5 and post it as an element message
of type conformance/checksum. More output format or checksum type could be
added in the future as needed.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2287>

1 files changed, 32 insertions, 0 deletions

diff --git a/gst/debugutils/gstvideocodectestsink.h b/gst/debugutils/gstvideocodectestsink.h
new file mode 100644
index 000000000..df9c4328f
--- /dev/null
+++ b/gst/debugutils/gstvideocodectestsink.h
@@ -0,0 +1,32 @@
+/* GStreamer
+ * Copyright (C) 2021 Collabora Ltd.
+ *   Author: Nicolas Dufresne <nicolas.dufresne@collabora.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.
+ */
+
+#pragma once
+
+#include <gst/gst.h>
+#include <gst/base/gstbasesink.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_VIDEO_CODEC_TEST_SINK  gst_video_codec_test_sink_get_type ()
+G_DECLARE_FINAL_TYPE (GstVideoCodecTestSink, gst_video_codec_test_sink, GST,
+    VIDEO_CODEC_TEST_SINK, GstBaseSink);
+
+G_END_DECLS