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

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/* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <unistd.h>
#include <gst/check/gstcheck.h>
#include <gst/app/gstappsink.h>
/* For ease of programming we use globals to keep refs for our floating
* sink pads we create; otherwise we always have to do get_pad,
* get_peer, and then remove references in every test function */
static GstPad *mysinkpad;
static GstPad *mysrcpad;
#define JPEG_CAPS_STRING "image/jpeg"
#define JPEG_CAPS_RESTRICTIVE "image/jpeg, " \
"width = (int) [100, 200], " \
"framerate = (fraction) 25/1, " \
"extraparameter = (string) { abc, def }"
static GstStaticPadTemplate jpeg_sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (JPEG_CAPS_STRING));
static GstStaticPadTemplate any_sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS_ANY);
static GstStaticPadTemplate jpeg_restrictive_sinktemplate =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (JPEG_CAPS_RESTRICTIVE));
static GstStaticPadTemplate any_srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS_ANY);
static GstElement *
setup_jpegenc (GstStaticPadTemplate * sinktemplate)
{
GstElement *jpegenc;
GST_DEBUG ("setup_jpegenc");
jpegenc = gst_check_setup_element ("jpegenc");
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mysinkpad = gst_check_setup_sink_pad (jpegenc, sinktemplate);
mysrcpad = gst_check_setup_src_pad (jpegenc, &any_srctemplate);
gst_pad_set_active (mysrcpad, TRUE);
gst_pad_set_active (mysinkpad, TRUE);
return jpegenc;
}
static void
cleanup_jpegenc (GstElement * jpegenc)
{
GST_DEBUG ("cleanup_jpegenc");
gst_element_set_state (jpegenc, GST_STATE_NULL);
gst_check_drop_buffers ();
gst_pad_set_active (mysrcpad, FALSE);
gst_pad_set_active (mysinkpad, FALSE);
gst_check_teardown_sink_pad (jpegenc);
gst_check_teardown_src_pad (jpegenc);
gst_check_teardown_element (jpegenc);
}
static GstBuffer *
create_video_buffer (GstCaps * caps)
{
GstElement *pipeline;
GstElement *cf;
GstElement *sink;
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GstSample *sample;
GstBuffer *buffer;
pipeline =
gst_parse_launch
("videotestsrc num-buffers=1 ! capsfilter name=cf ! appsink name=sink",
NULL);
g_assert (pipeline != NULL);
cf = gst_bin_get_by_name (GST_BIN (pipeline), "cf");
sink = gst_bin_get_by_name (GST_BIN (pipeline), "sink");
g_object_set (G_OBJECT (cf), "caps", caps, NULL);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
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sample = gst_app_sink_pull_sample (GST_APP_SINK (sink));
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_object_unref (pipeline);
gst_object_unref (sink);
gst_object_unref (cf);
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buffer = gst_sample_get_buffer (sample);
gst_buffer_ref (buffer);
gst_sample_unref (sample);
return buffer;
}
GST_START_TEST (test_jpegenc_getcaps)
{
GstElement *jpegenc;
GstPad *sinkpad;
GstCaps *caps;
GstStructure *structure;
gint fps_n;
gint fps_d;
const GValue *value;
/* we are going to do some get caps to confirm it doesn't return non-subset
* caps */
jpegenc = setup_jpegenc (&any_sinktemplate);
sinkpad = gst_element_get_static_pad (jpegenc, "sink");
/* this should assert if non-subset */
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caps = gst_pad_query_caps (sinkpad, NULL);
gst_caps_unref (caps);
gst_object_unref (sinkpad);
cleanup_jpegenc (jpegenc);
jpegenc = setup_jpegenc (&jpeg_sinktemplate);
sinkpad = gst_element_get_static_pad (jpegenc, "sink");
/* this should assert if non-subset */
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caps = gst_pad_query_caps (sinkpad, NULL);
gst_caps_unref (caps);
gst_object_unref (sinkpad);
cleanup_jpegenc (jpegenc);
/* now use a more restricted one and check the resulting caps */
jpegenc = setup_jpegenc (&jpeg_restrictive_sinktemplate);
sinkpad = gst_element_get_static_pad (jpegenc, "sink");
/* this should assert if non-subset */
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caps = gst_pad_query_caps (sinkpad, NULL);
structure = gst_caps_get_structure (caps, 0);
/* check the width */
value = gst_structure_get_value (structure, "width");
fail_unless (gst_value_get_int_range_min (value) == 100);
fail_unless (gst_value_get_int_range_max (value) == 200);
fail_unless (gst_structure_get_fraction (structure, "framerate", &fps_n,
&fps_d));
fail_unless (fps_n == 25);
fail_unless (fps_d == 1);
gst_caps_unref (caps);
gst_object_unref (sinkpad);
cleanup_jpegenc (jpegenc);
}
GST_END_TEST;
GST_START_TEST (test_jpegenc_different_caps)
{
GstElement *jpegenc;
GstBuffer *buffer;
GstCaps *caps;
GstCaps *allowed_caps;
/* now use a more restricted one and check the resulting caps */
jpegenc = setup_jpegenc (&any_sinktemplate);
gst_element_set_state (jpegenc, GST_STATE_PLAYING);
/* push first buffer with 800x600 resolution */
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caps = gst_caps_new_simple ("video/x-raw", "width", G_TYPE_INT,
800, "height", G_TYPE_INT, 600, "framerate",
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GST_TYPE_FRACTION, 1, 1, "format", G_TYPE_STRING, "I420", NULL);
gst_check_setup_events (mysrcpad, jpegenc, caps, GST_FORMAT_TIME);
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fail_unless ((buffer = create_video_buffer (caps)) != NULL);
gst_caps_unref (caps);
fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
/* check the allowed caps to see if a second buffer with a different
* caps could be negotiated */
allowed_caps = gst_pad_get_allowed_caps (mysrcpad);
/* the caps we want to negotiate to */
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caps = gst_caps_new_simple ("video/x-raw", "width", G_TYPE_INT,
640, "height", G_TYPE_INT, 480, "framerate",
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GST_TYPE_FRACTION, 1, 1, "format", G_TYPE_STRING, "I420", NULL);
fail_unless (gst_caps_can_intersect (allowed_caps, caps));
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fail_unless (gst_pad_set_caps (mysrcpad, caps));
/* push second buffer with 640x480 resolution */
buffer = create_video_buffer (caps);
gst_caps_unref (caps);
fail_unless (gst_pad_push (mysrcpad, buffer) == GST_FLOW_OK);
gst_caps_unref (allowed_caps);
gst_element_set_state (jpegenc, GST_STATE_NULL);
cleanup_jpegenc (jpegenc);
}
GST_END_TEST;
static Suite *
jpegenc_suite (void)
{
Suite *s = suite_create ("jpegenc");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_jpegenc_getcaps);
tcase_add_test (tc_chain, test_jpegenc_different_caps);
return s;
}
GST_CHECK_MAIN (jpegenc);