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gstreamer/subprojects/gst-plugins-base/tests/check/elements/videotestsrc.c

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/* GStreamer
*
* unit test for videotestsrc
*
* Copyright (C) <2005> Thomas Vander Stichele <thomas at apestaart dot org>
* Copyright (C) <2006> Tim-Philipp Müller <tim centricular net>
*
* 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.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifdef HAVE_VALGRIND
# include <valgrind/valgrind.h>
#endif
#include <gst/check/gstcheck.h>
#include <gst/check/gstharness.h>
/* For ease of programming we use globals to keep refs for our floating
* src and 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;
#define CAPS_TEMPLATE_STRING \
"video/x-raw, " \
"format = (string) UYVY, " \
"width = (int) [ 1, MAX ], " \
"height = (int) [ 1, MAX ], " \
"framerate = (fraction) [ 0/1, MAX ]"
static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (CAPS_TEMPLATE_STRING)
);
static GstElement *
setup_videotestsrc (void)
{
GstElement *videotestsrc;
GST_DEBUG ("setup_videotestsrc");
videotestsrc = gst_check_setup_element ("videotestsrc");
mysinkpad = gst_check_setup_sink_pad (videotestsrc, &sinktemplate);
gst_pad_set_active (mysinkpad, TRUE);
return videotestsrc;
}
static void
cleanup_videotestsrc (GstElement * videotestsrc)
{
GST_DEBUG ("cleanup_videotestsrc");
gst_check_drop_buffers ();
gst_pad_set_active (mysinkpad, FALSE);
gst_check_teardown_sink_pad (videotestsrc);
gst_check_teardown_element (videotestsrc);
}
GST_START_TEST (test_all_patterns)
{
GstElement *videotestsrc;
GObjectClass *oclass;
GParamSpec *property;
GEnumValue *values;
guint j = 0;
videotestsrc = setup_videotestsrc ();
oclass = G_OBJECT_GET_CLASS (videotestsrc);
property = g_object_class_find_property (oclass, "pattern");
fail_unless (G_IS_PARAM_SPEC_ENUM (property));
values = G_ENUM_CLASS (g_type_class_ref (property->value_type))->values;
while (values[j].value_name) {
GST_DEBUG_OBJECT (videotestsrc, "testing pattern %s", values[j].value_name);
g_object_set (videotestsrc, "pattern", j, NULL);
fail_unless (gst_element_set_state (videotestsrc,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
g_mutex_lock (&check_mutex);
while (g_list_length (buffers) < 10) {
GST_DEBUG_OBJECT (videotestsrc, "Waiting for more buffers");
g_cond_wait (&check_cond, &check_mutex);
}
g_mutex_unlock (&check_mutex);
gst_element_set_state (videotestsrc, GST_STATE_READY);
gst_check_drop_buffers ();
++j;
}
/* cleanup */
cleanup_videotestsrc (videotestsrc);
}
GST_END_TEST;
static guint32
right_shift_colour (guint32 mask, guint32 pixel)
{
if (mask == 0)
return 0;
pixel = pixel & mask;
while ((mask & 0x01) == 0) {
mask = mask >> 1;
pixel = pixel >> 1;
}
return pixel;
}
static guint8
fix_expected_colour (guint32 col_mask, guint8 col_expected)
{
guint32 mask;
gint last = g_bit_nth_msf (col_mask, -1);
gint first = g_bit_nth_lsf (col_mask, -1);
mask = 1 << (last - first + 1);
mask -= 1;
g_assert (col_expected == 0x00 || col_expected == 0xff);
/* this only works because we only check for all-bits-set or no-bits-set */
return col_expected & mask;
}
static void
check_rgb_buf (const guint8 * pixels, guint32 r_mask, guint32 g_mask,
guint32 b_mask, guint32 a_mask, guint8 r_expected, guint8 g_expected,
guint8 b_expected, guint bpp, guint depth)
{
guint32 pixel, red, green, blue, alpha;
switch (bpp) {
case 32:
pixel = GST_READ_UINT32_BE (pixels);
break;
case 24:
pixel = (GST_READ_UINT8 (pixels) << 16) |
(GST_READ_UINT8 (pixels + 1) << 8) |
(GST_READ_UINT8 (pixels + 2) << 0);
break;
case 16:
if (G_BYTE_ORDER == G_LITTLE_ENDIAN)
pixel = GST_READ_UINT16_LE (pixels);
else
pixel = GST_READ_UINT16_BE (pixels);
break;
default:
g_return_if_reached ();
}
red = right_shift_colour (r_mask, pixel);
green = right_shift_colour (g_mask, pixel);
blue = right_shift_colour (b_mask, pixel);
alpha = right_shift_colour (a_mask, pixel);
/* can't enable this by default, valgrind will complain about accessing
* uninitialised memory for the depth=24,bpp=32 formats ... */
/* GST_LOG ("pixels: 0x%02x 0x%02x 0x%02x 0x%02x => pixel = 0x%08x",
pixels[0], (guint) pixels[1], pixels[2], pixels[3], pixel); */
/* fix up the mask (for rgb15/16) */
if (bpp == 16) {
r_expected = fix_expected_colour (r_mask, r_expected);
g_expected = fix_expected_colour (g_mask, g_expected);
b_expected = fix_expected_colour (b_mask, b_expected);
}
fail_unless (red == r_expected, "RED: expected 0x%02x, found 0x%02x",
r_expected, red);
fail_unless (green == g_expected, "GREEN: expected 0x%02x, found 0x%02x",
g_expected, green);
fail_unless (blue == b_expected, "BLUE: expected 0x%02x, found 0x%02x",
b_expected, blue);
fail_unless (a_mask == 0 || alpha != 0); /* better than nothing */
}
static void
got_buf_cb (GstElement * sink, GstBuffer * new_buf, GstPad * pad,
GstSample ** p_old_sample)
{
GstCaps *caps;
caps = gst_pad_get_current_caps (pad);
if (*p_old_sample)
gst_sample_unref (*p_old_sample);
*p_old_sample = gst_sample_new (new_buf, caps, NULL, NULL);
gst_caps_unref (caps);
}
/* tests the positioning of pixels within the various RGB pixel layouts */
GST_START_TEST (test_rgb_formats)
{
const struct
{
const gchar *pattern_name;
gint pattern_enum;
guint8 r_expected;
guint8 g_expected;
guint8 b_expected;
} test_patterns[] = {
{
"white", 3, 0xff, 0xff, 0xff}, {
"red", 4, 0xff, 0x00, 0x00}, {
"green", 5, 0x00, 0xff, 0x00}, {
"blue", 6, 0x00, 0x00, 0xff}, {
"black", 2, 0x00, 0x00, 0x00}
};
const struct
{
const gchar *nick;
guint bpp, depth;
guint32 red_mask, green_mask, blue_mask, alpha_mask;
} rgb_formats[] = {
{
"RGBA", 32, 32, 0xff000000, 0x00ff0000, 0x0000ff00, 0x000000ff}, {
"ARGB", 32, 32, 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000}, {
"BGRA", 32, 32, 0x0000ff00, 0x00ff0000, 0xff000000, 0x000000ff}, {
"ABGR", 32, 32, 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000}, {
"RGBx", 32, 24, 0xff000000, 0x00ff0000, 0x0000ff00, 0x00000000}, {
"xRGB", 32, 24, 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000}, {
"BGRx", 32, 24, 0x0000ff00, 0x00ff0000, 0xff000000, 0x00000000}, {
"xBGR", 32, 24, 0x000000ff, 0x0000ff00, 0x00ff0000, 0x00000000}, {
"RGB", 24, 24, 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000}, {
"BGR", 24, 24, 0x000000ff, 0x0000ff00, 0x00ff0000, 0x00000000}, {
"RGB16", 16, 16, 0x0000f800, 0x000007e0, 0x0000001f, 0x00000000}, {
"RGB15", 16, 15, 0x00007c00, 0x000003e0, 0x0000001f, 0x0000000}
};
GstElement *pipeline, *src, *filter, *sink;
GstCaps *template_caps;
GstSample *sample = NULL;
GstPad *srcpad;
gint p, i, e;
/* test check function */
fail_unless (right_shift_colour (0x00ff0000, 0x11223344) == 0x22);
pipeline = gst_pipeline_new ("pipeline");
src = gst_check_setup_element ("videotestsrc");
filter = gst_check_setup_element ("capsfilter");
sink = gst_check_setup_element ("fakesink");
gst_bin_add_many (GST_BIN (pipeline), src, filter, sink, NULL);
fail_unless (gst_element_link (src, filter));
fail_unless (gst_element_link (filter, sink));
srcpad = gst_element_get_static_pad (src, "src");
template_caps = gst_pad_get_pad_template_caps (srcpad);
g_object_set (sink, "signal-handoffs", TRUE, NULL);
g_signal_connect (sink, "preroll-handoff", G_CALLBACK (got_buf_cb), &sample);
GST_LOG ("videotestsrc src template caps: %" GST_PTR_FORMAT, template_caps);
for (i = 0; i < G_N_ELEMENTS (rgb_formats); ++i) {
for (e = 0; e < 2; ++e) {
GstCaps *caps;
caps = gst_caps_new_simple ("video/x-raw",
"format", G_TYPE_STRING, rgb_formats[i].nick,
"width", G_TYPE_INT, 16, "height", G_TYPE_INT, 16,
"framerate", GST_TYPE_FRACTION, 1, 1, NULL);
if (gst_caps_is_subset (caps, template_caps)) {
/* caps are supported, let's run some tests then ... */
for (p = 0; p < G_N_ELEMENTS (test_patterns); ++p) {
GstStateChangeReturn state_ret;
GstMapInfo map;
g_object_set (src, "pattern", test_patterns[p].pattern_enum, NULL);
GST_INFO ("%5s %u/%u %08x %08x %08x %08x, pattern=%s",
rgb_formats[i].nick, rgb_formats[i].bpp, rgb_formats[i].depth,
rgb_formats[i].red_mask, rgb_formats[i].green_mask,
rgb_formats[i].blue_mask, rgb_formats[i].alpha_mask,
test_patterns[p].pattern_name);
/* now get videotestsrc to produce a buffer with the given caps */
g_object_set (filter, "caps", caps, NULL);
state_ret = gst_element_set_state (pipeline, GST_STATE_PAUSED);
fail_unless (state_ret != GST_STATE_CHANGE_FAILURE,
"pipeline _set_state() to PAUSED failed");
state_ret = gst_element_get_state (pipeline, NULL, NULL, -1);
fail_unless (state_ret == GST_STATE_CHANGE_SUCCESS,
"pipeline failed going to PAUSED state");
state_ret = gst_element_set_state (pipeline, GST_STATE_NULL);
fail_unless (state_ret == GST_STATE_CHANGE_SUCCESS);
fail_unless (sample != NULL);
/* check buffer caps */
{
GstBuffer *buf;
GstStructure *s;
GstCaps *caps;
const gchar *format;
buf = gst_sample_get_buffer (sample);
fail_unless (buf != NULL);
caps = gst_sample_get_caps (sample);
fail_unless (caps != NULL);
s = gst_caps_get_structure (caps, 0);
format = gst_structure_get_string (s, "format");
fail_unless (g_str_equal (format, rgb_formats[i].nick));
/* now check the first pixel */
gst_buffer_map (buf, &map, GST_MAP_READ);
check_rgb_buf (map.data, rgb_formats[i].red_mask,
rgb_formats[i].green_mask, rgb_formats[i].blue_mask,
rgb_formats[i].alpha_mask, test_patterns[p].r_expected,
test_patterns[p].g_expected, test_patterns[p].b_expected,
rgb_formats[i].bpp, rgb_formats[i].depth);
gst_buffer_unmap (buf, &map);
gst_sample_unref (sample);
sample = NULL;
}
}
} else {
GST_INFO ("videotestsrc doesn't support format %" GST_PTR_FORMAT, caps);
}
gst_caps_unref (caps);
}
}
gst_caps_unref (template_caps);
gst_object_unref (srcpad);
gst_object_unref (pipeline);
}
GST_END_TEST;
struct BackwardsPlaybackData
{
GstClockTime last_ts;
const gchar *error_msg;
};
static gboolean
eos_watch (GstBus * bus, GstMessage * message, GMainLoop * loop)
{
if (GST_MESSAGE_TYPE (message) == GST_MESSAGE_EOS) {
g_main_loop_quit (loop);
}
return TRUE;
}
static GstPadProbeReturn
backward_check_probe (GstPad * pad, GstPadProbeInfo * info, gpointer udata)
{
if (info->type & GST_PAD_PROBE_TYPE_BUFFER) {
GstBuffer *buf = info->data;
struct BackwardsPlaybackData *pdata = udata;
if (GST_BUFFER_TIMESTAMP_IS_VALID (buf)) {
if (GST_CLOCK_TIME_IS_VALID (pdata->last_ts) &&
pdata->last_ts < GST_BUFFER_TIMESTAMP (buf)) {
pdata->error_msg = "Received buffer with increasing timestamp";
}
pdata->last_ts = GST_BUFFER_TIMESTAMP (buf);
} else {
pdata->error_msg = "Received buffer without timestamp";
}
}
return GST_PAD_PROBE_OK;
}
GST_START_TEST (test_backward_playback)
{
GstBus *bus;
GstElement *bin;
GError *error = NULL;
GMainLoop *loop;
guint bus_watch = 0;
GstStateChangeReturn ret;
GstElement *src;
GstPad *pad;
gulong pad_probe;
struct BackwardsPlaybackData pdata;
pdata.last_ts = GST_CLOCK_TIME_NONE;
pdata.error_msg = NULL;
bin = gst_parse_launch ("videotestsrc name=src ! fakesink name=sink "
"sync=true", &error);
/* run until we receive EOS */
loop = g_main_loop_new (NULL, FALSE);
bus = gst_element_get_bus (bin);
bus_watch = gst_bus_add_watch (bus, (GstBusFunc) eos_watch, loop);
gst_object_unref (bus);
ret = gst_element_set_state (bin, GST_STATE_PAUSED);
if (ret == GST_STATE_CHANGE_ASYNC) {
ret = gst_element_get_state (bin, NULL, NULL, GST_CLOCK_TIME_NONE);
fail_if (ret != GST_STATE_CHANGE_SUCCESS, "Could not start test pipeline");
}
src = gst_bin_get_by_name (GST_BIN (bin), "src");
pad = gst_element_get_static_pad (src, "src");
pad_probe = gst_pad_add_probe (pad, GST_PAD_PROBE_TYPE_BUFFER,
(GstPadProbeCallback) backward_check_probe, &pdata, NULL);
gst_element_seek (bin, -1.0, GST_FORMAT_TIME,
GST_SEEK_FLAG_ACCURATE | GST_SEEK_FLAG_FLUSH, GST_SEEK_TYPE_SET,
0, GST_SEEK_TYPE_SET, 1 * GST_SECOND);
ret = gst_element_set_state (bin, GST_STATE_PLAYING);
fail_if (ret == GST_STATE_CHANGE_FAILURE, "Could not start test pipeline");
if (ret == GST_STATE_CHANGE_ASYNC) {
ret = gst_element_get_state (bin, NULL, NULL, GST_CLOCK_TIME_NONE);
fail_if (ret != GST_STATE_CHANGE_SUCCESS, "Could not start test pipeline");
}
g_main_loop_run (loop);
ret = gst_element_set_state (bin, GST_STATE_NULL);
fail_if (ret == GST_STATE_CHANGE_FAILURE, "Could not stop test pipeline");
if (ret == GST_STATE_CHANGE_ASYNC) {
ret = gst_element_get_state (bin, NULL, NULL, GST_CLOCK_TIME_NONE);
fail_if (ret != GST_STATE_CHANGE_SUCCESS, "Could not stop test pipeline");
}
if (pdata.error_msg)
fail ("%s", pdata.error_msg);
/* clean up */
gst_pad_remove_probe (pad, pad_probe);
gst_object_unref (pad);
gst_object_unref (src);
g_main_loop_unref (loop);
g_source_remove (bus_watch);
gst_object_unref (bin);
}
GST_END_TEST;
GST_START_TEST (test_duration_query)
{
GstElement *bin;
GError *error = NULL;
GstStateChangeReturn ret;
gboolean queryret;
gint64 duration = -1;
bin =
gst_parse_launch ("videotestsrc ! fakesink name=sink sync=true", &error);
ret = gst_element_set_state (bin, GST_STATE_PAUSED);
if (ret == GST_STATE_CHANGE_ASYNC) {
ret = gst_element_get_state (bin, NULL, NULL, GST_CLOCK_TIME_NONE);
fail_if (ret != GST_STATE_CHANGE_SUCCESS, "Could not start test pipeline");
}
queryret = gst_element_query_duration (bin, GST_FORMAT_TIME, &duration);
/* should have unknown duration */
if (queryret && duration != -1) {
fail ("Should return false on duration query");
}
gst_element_set_state (bin, GST_STATE_NULL);
gst_object_unref (bin);
bin = gst_parse_launch ("videotestsrc num-buffers=100 ! capsfilter "
"caps=\"video/x-raw,framerate=(fraction)10/1\" ! "
"fakesink name=sink sync=true", &error);
ret = gst_element_set_state (bin, GST_STATE_PAUSED);
if (ret == GST_STATE_CHANGE_ASYNC) {
ret = gst_element_get_state (bin, NULL, NULL, GST_CLOCK_TIME_NONE);
fail_if (ret != GST_STATE_CHANGE_SUCCESS, "Could not start test pipeline");
}
queryret = gst_element_query_duration (bin, GST_FORMAT_TIME, &duration);
fail_unless (queryret, "Duration should be returned");
fail_unless (duration == GST_SECOND * 10, "Expected duration didn't match");
/* reverse playback should have no impact on duration */
gst_element_seek (bin, -1.0, GST_FORMAT_TIME,
GST_SEEK_FLAG_ACCURATE | GST_SEEK_FLAG_FLUSH, GST_SEEK_TYPE_SET,
0, GST_SEEK_TYPE_SET, 1 * GST_SECOND);
queryret = gst_element_query_duration (bin, GST_FORMAT_TIME, &duration);
fail_unless (queryret, "Duration should be returned");
fail_unless (duration == GST_SECOND * 10, "Expected duration didn't match");
gst_element_set_state (bin, GST_STATE_NULL);
gst_object_unref (bin);
}
GST_END_TEST;
static gchar *
get_buffer_checksum (GstBuffer * buf)
{
GstMapInfo map = GST_MAP_INFO_INIT;
GChecksum *md5 = g_checksum_new (G_CHECKSUM_MD5);
gchar *ret;
gst_buffer_map (buf, &map, GST_MAP_READ);
g_checksum_update (md5, map.data, map.size);
gst_buffer_unmap (buf, &map);
ret = g_strdup (g_checksum_get_string (md5));
g_checksum_free (md5);
return ret;
}
GST_START_TEST (test_patterns_are_deterministic)
{
GType type;
GEnumClass *enum_class;
gint num_patterns;
GstHarness *h[2];
const gint num_instances = G_N_ELEMENTS (h);
const gint num_frames = 2;
gint pattern, i, frame;
/* Create an element to register types used below */
gst_object_unref (gst_element_factory_make ("videotestsrc", NULL));
/* Find number of patterns to check */
type = g_type_from_name ("GstVideoTestSrcPattern");
fail_unless (type != 0);
enum_class = g_type_class_ref (type);
num_patterns = enum_class->n_values;
fail_unless (num_patterns > 0);
g_type_class_unref (enum_class);
/* For each pattern, make sure that all instances produce identical
* frames */
for (pattern = 0; pattern < num_patterns; pattern++) {
for (i = 0; i < G_N_ELEMENTS (h); i++) {
h[i] = gst_harness_new ("videotestsrc");
g_object_set (h[i]->element, "pattern", pattern, NULL);
gst_harness_set_blocking_push_mode (h[i]);
gst_harness_play (h[i]);
}
for (frame = 0; frame < num_frames; frame++) {
gchar *ref_checksum = NULL;
for (i = 0; i < num_instances; i++) {
GstBuffer *buffer = gst_harness_pull (h[i]);
gchar *checksum = get_buffer_checksum (buffer);
if (i == 0)
ref_checksum = g_strdup (checksum);
fail_unless_equals_string (ref_checksum, checksum);
g_free (checksum);
gst_buffer_unref (buffer);
}
g_free (ref_checksum);
}
for (i = 0; i < G_N_ELEMENTS (h); i++)
gst_harness_teardown (h[i]);
}
}
GST_END_TEST;
/* FIXME: add tests for YUV formats */
static Suite *
videotestsrc_suite (void)
{
Suite *s = suite_create ("videotestsrc");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
#ifdef HAVE_VALGRIND
if (RUNNING_ON_VALGRIND) {
/* test_rgb_formats takes a bit longer, so increase timeout */
tcase_set_timeout (tc_chain, 5 * 60);
}
#endif
tcase_add_test (tc_chain, test_all_patterns);
tcase_add_test (tc_chain, test_rgb_formats);
tcase_add_test (tc_chain, test_backward_playback);
tcase_add_test (tc_chain, test_duration_query);
tcase_add_test (tc_chain, test_patterns_are_deterministic);
return s;
}
GST_CHECK_MAIN (videotestsrc);
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