tests: Add some basic tests for jpegdec

https://bugzilla.gnome.org/show_bug.cgi?id=676302

tests/check/Makefile.am

@@ -48,7 +48,9 @@ check_gdkpixbuf =
 endif
 
 if USE_JPEG
-check_jpeg = elements/jpegenc
+check_jpeg = \
+        elements/jpegdec \
+        elements/jpegenc
 else
 check_jpeg =
 endif
@@ -254,6 +256,9 @@ elements_level_LDADD = $(GST_PLUGINS_BASE_LIBS) -lgstaudio-$(GST_API_VERSION) $(
 elements_imagefreeze_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) $(AM_CFLAGS)
 elements_imagefreeze_LDADD = $(GST_PLUGINS_BASE_LIBS) -lgstvideo-$(GST_API_VERSION) $(GST_BASE_LIBS) $(LDADD)
 
+elements_jpegdec_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) $(GIO_CFLAGS) $(AM_CFLAGS)
+elements_jpegdec_LDADD = $(GST_PLUGINS_BASE_LIBS) -lgstapp-$(GST_API_VERSION) -lgstpbutils-$(GST_API_VERSION) $(GST_BASE_LIBS) $(GIO_LIBS) $(LDADD)
+
 elements_jpegenc_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) $(AM_CFLAGS)
 elements_jpegenc_LDADD = $(GST_PLUGINS_BASE_LIBS) -lgstapp-$(GST_API_VERSION) $(GST_BASE_LIBS) $(LDADD)
 

tests/check/elements/.gitignore

@@ -32,6 +32,7 @@ id3demux
 id3v2mux
 imagefreeze
 interleave
+jpegdec
 jpegenc
 level
 matroskamux

tests/check/elements/jpegdec.c

@@ -0,0 +1,162 @@
+/* GStreamer
+ *
+ * unit test for jpegenc
+ *
+ * Copyright (C) <2010> Thiago Santos <thiago.sousa.santos@collabora.co.uk>
+ *
+ * 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <unistd.h>
+
+#include <gio/gio.h>
+#include <gst/check/gstcheck.h>
+#include <gst/app/gstappsink.h>
+#include <gst/pbutils/gstdiscoverer.h>
+
+/* Verify jpegdec is working when explictly requested by a pipeline. */
+GST_START_TEST (test_jpegdec_explicit)
+{
+  GError *error = NULL;
+  GstElement *pipeline;
+  GstElement *source;
+  GstElement *sink;
+  GstSample *sample;
+
+  /* construct a pipeline that explicitly uses jpegdec */
+  pipeline = gst_parse_launch
+      ("filesrc name=source ! jpegdec ! appsink name=sink", &error);
+  fail_unless (GST_IS_PIPELINE (pipeline));
+  fail_unless (error == NULL, "%s", (error ? error->message : ""));
+
+  source = gst_bin_get_by_name (GST_BIN (pipeline), "source");
+  sink = gst_bin_get_by_name (GST_BIN (pipeline), "sink");
+
+  fail_unless (GST_IS_ELEMENT (source));
+  fail_unless (GST_IS_APP_SINK (sink));
+
+  /* point that pipeline to our test image */
+  {
+    char *filename = g_build_filename (GST_TEST_FILES_PATH, "image.jpg", NULL);
+    g_object_set (G_OBJECT (source), "location", filename, NULL);
+    g_free (filename);
+  }
+
+  gst_element_set_state (pipeline, GST_STATE_PLAYING);
+
+  sample = gst_app_sink_pull_sample (GST_APP_SINK (sink));
+
+  fail_unless (GST_IS_SAMPLE (sample));
+  fail_unless (gst_app_sink_is_eos (GST_APP_SINK (sink)));
+
+  gst_element_set_state (pipeline, GST_STATE_NULL);
+
+  /* do some basic checks to verify image decoding */
+  {
+    GstCaps *decoded;
+    GstCaps *expected;
+
+    decoded = gst_sample_get_caps (sample);
+    expected = gst_caps_from_string ("video/x-raw, width=120, height=160");
+
+    fail_unless (gst_caps_is_always_compatible (decoded, expected));
+
+    gst_caps_unref (expected);
+  }
+
+  gst_sample_unref (sample);
+  gst_object_unref (sink);
+  gst_object_unref (source);
+  gst_object_unref (pipeline);
+}
+
+GST_END_TEST;
+
+/* Verify JPEG discovery is working. Right now jpegdec would be used,
+ * but I have no idea how to actually verify this. */
+GST_START_TEST (test_jpegdec_discover)
+{
+  GstDiscoverer *disco;
+  GError *error = NULL;
+  char *uri;
+  GstDiscovererInfo *info;
+  GstDiscovererVideoInfo *video;
+
+  disco = gst_discoverer_new (5 * GST_SECOND, &error);
+
+  fail_unless (GST_IS_DISCOVERER (disco));
+  fail_unless (error == NULL, "%s", (error ? error->message : ""));
+
+  {
+    GFile *testdir = g_file_new_for_path (GST_TEST_FILES_PATH);
+    GFile *testfile = g_file_resolve_relative_path (testdir, "image.jpg");
+    uri = g_file_get_uri (testfile);
+    g_object_unref (testfile);
+    g_object_unref (testdir);
+  }
+
+  info = gst_discoverer_discover_uri (disco, uri, &error);
+  fail_unless (GST_IS_DISCOVERER_INFO (info));
+  fail_unless (error == NULL, "%s: %s", uri, (error ? error->message : ""));
+
+  fail_unless_equals_string (gst_discoverer_info_get_uri (info), uri);
+  fail_unless_equals_int (gst_discoverer_info_get_result (info),
+      GST_DISCOVERER_OK);
+
+  video =
+      GST_DISCOVERER_VIDEO_INFO (gst_discoverer_info_get_stream_info (info));
+  fail_unless (video != NULL);
+
+  fail_unless (gst_discoverer_video_info_is_image (video));
+  fail_unless_equals_int (gst_discoverer_video_info_get_width (video), 120);
+  fail_unless_equals_int (gst_discoverer_video_info_get_height (video), 160);
+
+  gst_discoverer_info_unref (info);
+  g_free (uri);
+  g_object_unref (disco);
+}
+
+GST_END_TEST;
+
+static Suite *
+jpegdec_suite (void)
+{
+  Suite *s = suite_create ("jpegdec");
+  TCase *tc_chain = tcase_create ("general");
+
+  suite_add_tcase (s, tc_chain);
+  tcase_add_test (tc_chain, test_jpegdec_explicit);
+  tcase_add_test (tc_chain, test_jpegdec_discover);
+
+  return s;
+}
+
+int
+main (int argc, char **argv)
+{
+  int nf;
+
+  Suite *s = jpegdec_suite ();
+  SRunner *sr = srunner_create (s);
+
+  gst_check_init (&argc, &argv);
+
+  srunner_run_all (sr, CK_NORMAL);
+  nf = srunner_ntests_failed (sr);
+  srunner_free (sr);
+
+  return nf;
+}