gstreamer/tests/check/elements/deinterlace.c

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/* GStreamer unit tests for the deinterlace element
* 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.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdio.h>
#include <gst/check/gstcheck.h>
#include <gst/video/video.h>
static gboolean
gst_caps_is_interlaced (GstCaps * caps)
{
GstStructure *structure;
gboolean interlaced = FALSE;
fail_unless (gst_caps_is_fixed (caps));
structure = gst_caps_get_structure (caps, 0);
fail_unless (gst_video_format_parse_caps_interlaced (caps, &interlaced));
return interlaced;
}
GST_START_TEST (test_create_and_unref)
{
GstElement *deinterlace;
deinterlace = gst_element_factory_make ("deinterlace", NULL);
fail_unless (deinterlace != NULL);
gst_element_set_state (deinterlace, GST_STATE_NULL);
gst_object_unref (deinterlace);
}
GST_END_TEST;
#define CAPS_VIDEO_COMMON \
"width=(int)800, height=(int)600, framerate=(fraction)15/1"
#define CAPS_IMAGE_COMMON \
"width=(int)3200, height=(int)3400, framerate=(fraction)0/1"
#define CAPS_YUY2 \
"video/x-raw-yuv, " \
CAPS_VIDEO_COMMON ", " \
"format=(fourcc)YUY2"
#define CAPS_YUY2_INTERLACED \
CAPS_YUY2 ", " \
"interlaced=(boolean)true"
#define CAPS_YVYU \
"video/x-raw-yuv, " \
CAPS_VIDEO_COMMON ", " \
"format=(fourcc)YVYU"
#define CAPS_YVYU_INTERLACED \
CAPS_YVYU ", " \
"interlaced=(boolean)true"
#define CAPS_YUY2_IMAGE \
"video/x-raw-yuv, " \
CAPS_IMAGE_COMMON ", " \
"format=(fourcc)YUY2"
#define CAPS_YUY2_INTERLACED_IMAGE \
CAPS_YUY2_IMAGE ", " \
"interlaced=(boolean)true"
#define CAPS_YVYU_IMAGE \
"video/x-raw-yuv, " \
CAPS_IMAGE_COMMON ", " \
"format=(fourcc)YVYU"
#define CAPS_YVYU_INTERLACED_IMAGE \
CAPS_YVYU_IMAGE ", " \
"interlaced=(boolean)true"
static GstElement *deinterlace;
static GstPad *srcpad;
static GstPad *sinkpad;
static GstElement *pipeline;
/* sets up deinterlace and shortcut pointers to its pads */
static void
setup_deinterlace (void)
{
deinterlace = gst_element_factory_make ("deinterlace", NULL);
fail_unless (deinterlace != NULL);
sinkpad = gst_element_get_static_pad (deinterlace, "sink");
fail_unless (sinkpad != NULL);
srcpad = gst_element_get_static_pad (deinterlace, "src");
fail_unless (srcpad != NULL);
}
/* sets up a basic test pipeline containing:
*
* videotestsrc ! capsfilter ! deinterlace ! fakesink
*
* The parameters set the capsfilter caps and the num-buffers
* property of videotestsrc
*
* It is useful for adding buffer probes to deinterlace pads
* and validating inputs/outputs
*/
static void
setup_test_pipeline (gint mode, GstCaps * infiltercaps, GstCaps * outfiltercaps,
gint numbuffers)
{
GstElement *src;
GstElement *infilter;
GstElement *outfilter;
GstElement *sink;
setup_deinterlace ();
pipeline = gst_pipeline_new ("pipeline");
src = gst_element_factory_make ("videotestsrc", NULL);
infilter = gst_element_factory_make ("capsfilter", "infilter");
outfilter = gst_element_factory_make ("capsfilter", "outfilter");
sink = gst_element_factory_make ("fakesink", NULL);
fail_if (src == NULL);
fail_if (infilter == NULL);
fail_if (outfilter == NULL);
fail_if (sink == NULL);
fail_unless (gst_bin_add (GST_BIN (pipeline), src));
fail_unless (gst_bin_add (GST_BIN (pipeline), infilter));
fail_unless (gst_bin_add (GST_BIN (pipeline), deinterlace));
fail_unless (gst_bin_add (GST_BIN (pipeline), outfilter));
fail_unless (gst_bin_add (GST_BIN (pipeline), sink));
/* set the properties */
g_object_set (deinterlace, "mode", mode, NULL);
if (numbuffers > 0)
g_object_set (src, "num-buffers", numbuffers, NULL);
if (infiltercaps)
g_object_set (infilter, "caps", infiltercaps, NULL);
if (outfiltercaps)
g_object_set (outfilter, "caps", outfiltercaps, NULL);
fail_unless (gst_element_link_many (src, infilter, deinterlace, outfilter,
sink, NULL));
if (infiltercaps)
gst_caps_unref (infiltercaps);
if (outfiltercaps)
gst_caps_unref (outfiltercaps);
}
/*
* Checks if 2 buffers are equal
*
* Equals means same caps and same data
*/
static gboolean
test_buffer_equals (GstBuffer * buf_a, GstBuffer * buf_b)
{
GstCaps *caps_a;
GstCaps *caps_b;
if (GST_BUFFER_SIZE (buf_a) != GST_BUFFER_SIZE (buf_b))
return FALSE;
caps_a = gst_buffer_get_caps (buf_a);
caps_b = gst_buffer_get_caps (buf_b);
if (!gst_caps_is_equal (caps_a, caps_b))
return FALSE;
gst_caps_unref (caps_a);
gst_caps_unref (caps_b);
return memcmp (GST_BUFFER_DATA (buf_a), GST_BUFFER_DATA (buf_b),
GST_BUFFER_SIZE (buf_a)) == 0;
}
static gboolean
sinkpad_enqueue_buffer (GstPad * pad, GstBuffer * buf, gpointer data)
{
GQueue *queue = (GQueue *) data;
/* enqueue a copy for being compared later */
g_queue_push_tail (queue, gst_buffer_copy (buf));
return TRUE;
}
/*
* pad buffer probe that compares the buffer with the top one
* in the GQueue passed as the user data
*/
static gboolean
srcpad_dequeue_and_compare_buffer (GstPad * pad, GstBuffer * buf, gpointer data)
{
GQueue *queue = (GQueue *) data;
GstBuffer *queue_buf;
queue_buf = (GstBuffer *) g_queue_pop_head (queue);
fail_if (queue_buf == NULL);
fail_unless (test_buffer_equals (buf, queue_buf));
gst_buffer_unref (queue_buf);
return TRUE;
}
/*
* Utility function that sets up a pipeline with deinterlace for
* validanting that it operates in passthrough mode when receiving
* data with 'infiltercaps' as the input caps and operating in 'mode' mode
*/
static void
deinterlace_check_passthrough (gint mode, const gchar * infiltercaps)
{
GstMessage *msg;
GQueue *queue;
GstCaps *incaps = NULL;
if (infiltercaps)
incaps = gst_caps_from_string (infiltercaps);
setup_test_pipeline (mode, incaps, NULL, 20);
queue = g_queue_new ();
/* set up probes for testing */
gst_pad_add_buffer_probe (sinkpad, (GCallback) sinkpad_enqueue_buffer, queue);
gst_pad_add_buffer_probe (srcpad,
(GCallback) srcpad_dequeue_and_compare_buffer, queue);
fail_unless (gst_element_set_state (pipeline, GST_STATE_PLAYING) !=
GST_STATE_CHANGE_FAILURE);
msg = gst_bus_poll (GST_ELEMENT_BUS (pipeline), GST_MESSAGE_EOS, -1);
gst_message_unref (msg);
/* queue should be empty */
fail_unless (g_queue_is_empty (queue));
fail_unless (gst_element_set_state (pipeline, GST_STATE_NULL) ==
GST_STATE_CHANGE_SUCCESS);
gst_object_unref (pipeline);
g_queue_free (queue);
}
/*
* Sets the caps on deinterlace sinkpad and validates the
* caps that is set on the srcpad
*/
static void
deinterlace_set_caps_and_check (GstCaps * input, gboolean must_deinterlace)
{
GstCaps *othercaps = NULL;
fail_unless (gst_pad_set_caps (sinkpad, input));
g_object_get (srcpad, "caps", &othercaps, NULL);
if (must_deinterlace) {
fail_if (gst_caps_is_interlaced (othercaps));
} else {
GstStructure *s;
fail_unless (gst_caps_is_interlaced (input) ==
gst_caps_is_interlaced (othercaps));
othercaps = gst_caps_make_writable (othercaps);
s = gst_caps_get_structure (othercaps, 0);
gst_structure_remove_field (s, "interlaced");
input = gst_caps_make_writable (input);
s = gst_caps_get_structure (input, 0);
gst_structure_remove_field (s, "interlaced");
fail_unless (gst_caps_is_equal (input, othercaps));
}
gst_caps_unref (input);
gst_caps_unref (othercaps);
}
static void
deinterlace_set_string_caps_and_check (const gchar * input,
gboolean must_deinterlace)
{
deinterlace_set_caps_and_check (gst_caps_from_string (input),
must_deinterlace);
}
GST_START_TEST (test_mode_auto_accept_caps)
{
setup_deinterlace ();
/* auto mode */
g_object_set (deinterlace, "mode", 0, NULL);
fail_unless (gst_element_set_state (deinterlace, GST_STATE_PLAYING) ==
GST_STATE_CHANGE_SUCCESS);
/* try to set non interlaced caps */
deinterlace_set_string_caps_and_check (CAPS_YVYU, FALSE);
deinterlace_set_string_caps_and_check (CAPS_YUY2, FALSE);
deinterlace_set_string_caps_and_check (CAPS_YVYU_IMAGE, FALSE);
deinterlace_set_string_caps_and_check (CAPS_YUY2_IMAGE, FALSE);
/* now try to set interlaced caps */
deinterlace_set_string_caps_and_check (CAPS_YVYU_INTERLACED, TRUE);
deinterlace_set_string_caps_and_check (CAPS_YUY2_INTERLACED, TRUE);
deinterlace_set_string_caps_and_check (CAPS_YVYU_INTERLACED_IMAGE, TRUE);
deinterlace_set_string_caps_and_check (CAPS_YUY2_INTERLACED_IMAGE, TRUE);
/* cleanup */
gst_object_unref (sinkpad);
gst_object_unref (srcpad);
fail_unless (gst_element_set_state (deinterlace, GST_STATE_NULL) ==
GST_STATE_CHANGE_SUCCESS);
gst_object_unref (deinterlace);
}
GST_END_TEST;
GST_START_TEST (test_mode_forced_accept_caps)
{
setup_deinterlace ();
/* forced mode */
g_object_set (deinterlace, "mode", 1, NULL);
fail_unless (gst_element_set_state (deinterlace, GST_STATE_PLAYING) ==
GST_STATE_CHANGE_SUCCESS);
/* try to set non interlaced caps */
deinterlace_set_string_caps_and_check (CAPS_YVYU, TRUE);
deinterlace_set_string_caps_and_check (CAPS_YUY2, TRUE);
deinterlace_set_string_caps_and_check (CAPS_YVYU_IMAGE, TRUE);
deinterlace_set_string_caps_and_check (CAPS_YUY2_IMAGE, TRUE);
/* now try to set interlaced caps */
deinterlace_set_string_caps_and_check (CAPS_YVYU_INTERLACED, TRUE);
deinterlace_set_string_caps_and_check (CAPS_YUY2_INTERLACED, TRUE);
deinterlace_set_string_caps_and_check (CAPS_YVYU_INTERLACED_IMAGE, TRUE);
deinterlace_set_string_caps_and_check (CAPS_YUY2_INTERLACED_IMAGE, TRUE);
/* cleanup */
gst_object_unref (sinkpad);
gst_object_unref (srcpad);
fail_unless (gst_element_set_state (deinterlace, GST_STATE_NULL) ==
GST_STATE_CHANGE_SUCCESS);
gst_object_unref (deinterlace);
}
GST_END_TEST;
GST_START_TEST (test_mode_disabled_accept_caps)
{
setup_deinterlace ();
/* disabled mode */
g_object_set (deinterlace, "mode", 2, NULL);
fail_unless (gst_element_set_state (deinterlace, GST_STATE_PLAYING) ==
GST_STATE_CHANGE_SUCCESS);
/* try to set non interlaced caps */
deinterlace_set_string_caps_and_check (CAPS_YVYU, FALSE);
deinterlace_set_string_caps_and_check (CAPS_YUY2, FALSE);
deinterlace_set_string_caps_and_check (CAPS_YVYU_IMAGE, FALSE);
deinterlace_set_string_caps_and_check (CAPS_YUY2_IMAGE, FALSE);
/* now try to set interlaced caps */
deinterlace_set_string_caps_and_check (CAPS_YVYU_INTERLACED, FALSE);
deinterlace_set_string_caps_and_check (CAPS_YUY2_INTERLACED, FALSE);
deinterlace_set_string_caps_and_check (CAPS_YVYU_INTERLACED_IMAGE, FALSE);
deinterlace_set_string_caps_and_check (CAPS_YUY2_INTERLACED_IMAGE, FALSE);
/* cleanup */
gst_object_unref (sinkpad);
gst_object_unref (srcpad);
fail_unless (gst_element_set_state (deinterlace, GST_STATE_NULL) ==
GST_STATE_CHANGE_SUCCESS);
gst_object_unref (deinterlace);
}
GST_END_TEST;
GST_START_TEST (test_mode_disabled_passthrough)
{
/* 2 is disabled mode */
deinterlace_check_passthrough (2, CAPS_YUY2_INTERLACED);
deinterlace_check_passthrough (2, CAPS_YVYU_INTERLACED);
deinterlace_check_passthrough (2, CAPS_YUY2);
deinterlace_check_passthrough (2, CAPS_YVYU);
deinterlace_check_passthrough (2, CAPS_YUY2_INTERLACED_IMAGE);
deinterlace_check_passthrough (2, CAPS_YVYU_INTERLACED_IMAGE);
deinterlace_check_passthrough (2, CAPS_YUY2_IMAGE);
deinterlace_check_passthrough (2, CAPS_YVYU_IMAGE);
}
GST_END_TEST;
GST_START_TEST (test_mode_auto_deinterlaced_passthrough)
{
/* 0 is auto mode */
deinterlace_check_passthrough (0, CAPS_YUY2);
deinterlace_check_passthrough (0, CAPS_YVYU);
deinterlace_check_passthrough (0, CAPS_YUY2_IMAGE);
deinterlace_check_passthrough (0, CAPS_YVYU_IMAGE);
}
GST_END_TEST;
static Suite *
deinterlace_suite (void)
{
Suite *s = suite_create ("deinterlace");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_set_timeout (tc_chain, 180);
tcase_add_test (tc_chain, test_create_and_unref);
tcase_add_test (tc_chain, test_mode_auto_accept_caps);
tcase_add_test (tc_chain, test_mode_forced_accept_caps);
tcase_add_test (tc_chain, test_mode_disabled_accept_caps);
tcase_add_test (tc_chain, test_mode_disabled_passthrough);
tcase_add_test (tc_chain, test_mode_auto_deinterlaced_passthrough);
return s;
}
GST_CHECK_MAIN (deinterlace);