gstreamer/subprojects/gst-plugins-good/tests/check/elements/jpegdec.c

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/* GStreamer
* unit test for jpegdec
* Copyright (C) <2010> Thiago Santos <thiago.sousa.santos@collabora.co.uk>
* Copyright (C) <2012> Mathias Hasselmann <mathias@openismus.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 <unistd.h>
#include <gio/gio.h>
#include <gst/check/gstcheck.h>
#include <gst/app/gstappsink.h>
#include <gst/pbutils/gstdiscoverer.h>
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/* Verify jpegdec is working when explicitly requested by a pipeline. */
GST_START_TEST (test_jpegdec_explicit)
{
GstElement *pipeline, *source, *dec, *sink;
GstSample *sample;
/* construct a pipeline that explicitly uses jpegdec */
pipeline = gst_pipeline_new (NULL);
source = gst_element_factory_make ("filesrc", NULL);
dec = gst_element_factory_make ("jpegdec", NULL);
sink = gst_element_factory_make ("appsink", NULL);
gst_bin_add_many (GST_BIN (pipeline), source, dec, sink, NULL);
gst_element_link_many (source, dec, sink, NULL);
/* 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));
/* 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);
/* wait for EOS */
sample = gst_app_sink_pull_sample (GST_APP_SINK (sink));
fail_unless (sample == NULL);
fail_unless (gst_app_sink_is_eos (GST_APP_SINK (sink)));
gst_element_set_state (pipeline, GST_STATE_NULL);
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 (60 * 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 (video);
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;
}
GST_CHECK_MAIN (jpegdec);