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gstreamer/tests/check/elements/textoverlay.c
Thiago Santos 2157497405 tests: textoverlay: add test to reproduce fakesink scenario 
Adds a new test to textoverlay to make sure it can properly handle
elements that have ANY caps but fail to add the overlay meta in
the allocation query.

This test verifies that textoverlay won't use the caps features even
knowing that the overlay meta is accepted when querying the downstream
caps because it also needs downstream to confirm by putting the meta
in the allocation query.

https://bugzilla.gnome.org/show_bug.cgi?id=735800
2014-09-01 15:25:56 -03:00

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/* GStreamer unit tests for textoverlay
*
* 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.
*/
#include <unistd.h>
#include <gst/check/gstcheck.h>
#include <gst/video/video-overlay-composition.h>
#define I420_Y_ROWSTRIDE(width) (GST_ROUND_UP_4(width))
#define I420_U_ROWSTRIDE(width) (GST_ROUND_UP_8(width)/2)
#define I420_V_ROWSTRIDE(width) ((GST_ROUND_UP_8(I420_Y_ROWSTRIDE(width)))/2)
#define I420_Y_OFFSET(w,h) (0)
#define I420_U_OFFSET(w,h) (I420_Y_OFFSET(w,h)+(I420_Y_ROWSTRIDE(w)*GST_ROUND_UP_2(h)))
#define I420_V_OFFSET(w,h) (I420_U_OFFSET(w,h)+(I420_U_ROWSTRIDE(w)*GST_ROUND_UP_2(h)/2))
#define I420_SIZE(w,h) (I420_V_OFFSET(w,h)+(I420_V_ROWSTRIDE(w)*GST_ROUND_UP_2(h)/2))
#define WIDTH 240
#define HEIGHT 120
/* 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 *myvideosrcpad, *mytextsrcpad, *mysinkpad;
#define VIDEO_CAPS_STRING \
"video/x-raw, " \
"format = (string) I420, " \
"framerate = (fraction) 1/1, " \
"width = (int) 240, " \
"height = (int) 120"
#define VIDEO_CAPS_TEMPLATE_STRING \
"video/x-raw, " \
"format = (string) I420"
#define VIDEO_CAPS_TEMPLATE_WITH_FEATURE_STRING \
"video/x-raw(" GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY ", " \
GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION "), " \
"format = (string) I420;" \
"video/x-raw, " \
"format = (string) I420;"
#define UNSUPPORTED_VIDEO_CAPS_STRING \
"video/x-raw(" GST_CAPS_FEATURE_META_GST_VIDEO_GL_TEXTURE_UPLOAD_META "), " \
"format = (string) I420, " \
"framerate = (fraction) 1/1, " \
"width = (int) 240, " \
"height = (int) 120"
#define UNSUPPORTED_VIDEO_CAPS_TEMPLATE_STRING \
"video/x-raw(" GST_CAPS_FEATURE_META_GST_VIDEO_GL_TEXTURE_UPLOAD_META "), " \
"format = (string) I420"
#define UNSUPPORTED_VIDEO_CAPS_TEMPLATE_WITH_FEATURE_STRING \
"video/x-raw(" GST_CAPS_FEATURE_META_GST_VIDEO_GL_TEXTURE_UPLOAD_META "," \
GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION "), " \
"format = (string) I420;" \
"video/x-raw(" GST_CAPS_FEATURE_META_GST_VIDEO_GL_TEXTURE_UPLOAD_META "), " \
"format = (string) I420"
static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (VIDEO_CAPS_TEMPLATE_STRING)
);
static GstStaticPadTemplate sinktemplate_with_features =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (VIDEO_CAPS_TEMPLATE_WITH_FEATURE_STRING)
);
static GstStaticPadTemplate text_srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("text/x-raw, format=utf8")
);
static GstStaticPadTemplate video_srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (VIDEO_CAPS_TEMPLATE_STRING)
);
static GstStaticPadTemplate unsupported_sinktemplate_with_features =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (UNSUPPORTED_VIDEO_CAPS_TEMPLATE_WITH_FEATURE_STRING)
);
static GstStaticPadTemplate sinktemplate_any = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS_ANY);
static GstStaticPadTemplate unsupported_video_srctemplate =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (UNSUPPORTED_VIDEO_CAPS_TEMPLATE_STRING)
);
static void
gst_check_setup_events_textoverlay (GstPad * srcpad, GstElement * element,
GstCaps * caps, GstFormat format, const gchar * stream_id)
{
GstSegment segment;
gst_segment_init (&segment, format);
fail_unless (gst_pad_push_event (srcpad,
gst_event_new_stream_start (stream_id)));
if (caps)
fail_unless (gst_pad_push_event (srcpad, gst_event_new_caps (caps)));
fail_unless (gst_pad_push_event (srcpad, gst_event_new_segment (&segment)));
}
static gboolean
sink_query_handler (GstPad * pad, GstObject * parent, GstQuery * query)
{
gboolean ret = FALSE;
GstQueryType type = GST_QUERY_TYPE (query);
switch (type) {
case GST_QUERY_ALLOCATION:{
gst_query_add_allocation_meta (query,
GST_VIDEO_OVERLAY_COMPOSITION_META_API_TYPE, NULL);
ret = TRUE;
break;
}
default:{
ret = gst_pad_query_default (pad, parent, query);
break;
}
}
return ret;
}
/* much like gst_check_setup_src_pad(), but with possibility to give a hint
* which sink template of the element to use, if there are multiple ones */
static GstPad *
notgst_check_setup_src_pad2 (GstElement * element,
GstStaticPadTemplate * template, GstCaps * caps,
const gchar * sink_template_name)
{
GstPad *srcpad, *sinkpad;
if (sink_template_name == NULL)
sink_template_name = "sink";
/* sending pad */
srcpad = gst_pad_new_from_static_template (template, "src");
GST_DEBUG_OBJECT (element, "setting up sending pad %p", srcpad);
fail_if (srcpad == NULL, "Could not create a srcpad");
ASSERT_OBJECT_REFCOUNT (srcpad, "srcpad", 1);
if (!(sinkpad = gst_element_get_static_pad (element, sink_template_name)))
sinkpad = gst_element_get_request_pad (element, sink_template_name);
fail_if (sinkpad == NULL, "Could not get sink pad from %s",
GST_ELEMENT_NAME (element));
ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 2);
if (caps)
fail_unless (gst_pad_set_caps (srcpad, caps));
fail_unless (gst_pad_link (srcpad, sinkpad) == GST_PAD_LINK_OK,
"Could not link source and %s sink pads", GST_ELEMENT_NAME (element));
gst_object_unref (sinkpad); /* because we got it higher up */
ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 1);
return srcpad;
}
static void
notgst_check_teardown_src_pad2 (GstElement * element,
const gchar * sink_template_name)
{
GstPad *srcpad, *sinkpad;
if (sink_template_name == NULL)
sink_template_name = "sink";
/* clean up floating src pad */
if (!(sinkpad = gst_element_get_static_pad (element, sink_template_name)))
sinkpad = gst_element_get_request_pad (element, sink_template_name);
ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 2);
srcpad = gst_pad_get_peer (sinkpad);
gst_pad_unlink (srcpad, sinkpad);
/* pad refs held by both creator and this function (through _get) */
ASSERT_OBJECT_REFCOUNT (sinkpad, "element sinkpad", 2);
gst_object_unref (sinkpad);
/* one more ref is held by element itself */
/* pad refs held by both creator and this function (through _get_peer) */
ASSERT_OBJECT_REFCOUNT (srcpad, "check srcpad", 2);
gst_object_unref (srcpad);
gst_object_unref (srcpad);
}
static GstElement *
setup_textoverlay_with_templates (GstStaticPadTemplate * srcpad_template,
GstStaticPadTemplate * textpad_template,
GstStaticPadTemplate * sinkpad_template, gboolean enable_allocation_query)
{
GstElement *textoverlay;
GST_DEBUG ("setup_textoverlay");
textoverlay = gst_check_setup_element ("textoverlay");
mysinkpad = gst_check_setup_sink_pad (textoverlay, sinkpad_template);
if (enable_allocation_query) {
GST_PAD_SET_PROXY_ALLOCATION (mysinkpad);
gst_pad_set_query_function (mysinkpad, sink_query_handler);
}
myvideosrcpad =
notgst_check_setup_src_pad2 (textoverlay, srcpad_template, NULL,
"video_sink");
if (textpad_template) {
mytextsrcpad =
notgst_check_setup_src_pad2 (textoverlay, textpad_template, NULL,
"text_sink");
gst_pad_set_active (mytextsrcpad, TRUE);
} else {
mytextsrcpad = NULL;
}
gst_pad_set_active (myvideosrcpad, TRUE);
gst_pad_set_active (mysinkpad, TRUE);
return textoverlay;
}
static GstElement *
setup_textoverlay (gboolean video_only_no_text)
{
GstStaticPadTemplate *srcpad_template = NULL;
GstStaticPadTemplate *textpad_template = NULL;
GstStaticPadTemplate *sinkpad_template = NULL;
srcpad_template = &video_srctemplate;
if (!video_only_no_text)
textpad_template = &text_srctemplate;
sinkpad_template = &sinktemplate;
return setup_textoverlay_with_templates (srcpad_template,
textpad_template, sinkpad_template, FALSE);
}
static gboolean
buffer_is_all_black (GstBuffer * buf, GstCaps * caps)
{
GstStructure *s;
gint x, y, w, h;
GstMapInfo map;
fail_unless (buf != NULL);
fail_unless (caps != NULL);
s = gst_caps_get_structure (caps, 0);
fail_unless (s != NULL);
fail_unless (gst_structure_get_int (s, "width", &w));
fail_unless (gst_structure_get_int (s, "height", &h));
gst_buffer_map (buf, &map, GST_MAP_READ);
for (y = 0; y < h; ++y) {
guint8 *ptr = map.data + (y * GST_ROUND_UP_4 (w));
for (x = 0; x < w; ++x) {
if (ptr[x] != 0x00) {
GST_LOG ("non-black pixel (%d) at (x,y) %d,%d", ptr[x], x, y);
gst_buffer_unmap (buf, &map);
return FALSE;
}
}
}
gst_buffer_unmap (buf, &map);
return TRUE;
}
static GstCaps *
create_video_caps (const gchar * caps_string)
{
GstCaps *caps;
caps = gst_caps_from_string (caps_string);
fail_unless (caps != NULL);
fail_unless (gst_caps_is_fixed (caps));
return caps;
}
static GstBuffer *
create_black_buffer (GstCaps * caps)
{
GstStructure *s;
GstBuffer *buffer;
gint w, h, size;
fail_unless (caps != NULL);
s = gst_caps_get_structure (caps, 0);
fail_unless (gst_structure_get_int (s, "width", &w));
fail_unless (gst_structure_get_int (s, "height", &h));
GST_LOG ("creating buffer (%dx%d)", w, h);
size = I420_SIZE (w, h);
buffer = gst_buffer_new_and_alloc (size);
/* we're only checking the Y plane later, so just zero it all out,
* even if it's not the blackest black there is */
gst_buffer_memset (buffer, 0, 0, size);
/* double check to make sure it's been created right */
fail_unless (buffer_is_all_black (buffer, caps));
return buffer;
}
static GstBuffer *
create_text_buffer (const gchar * txt, GstClockTime ts, GstClockTime duration)
{
GstBuffer *buffer;
guint txt_len;
fail_unless (txt != NULL);
txt_len = strlen (txt);
buffer = gst_buffer_new_and_alloc (txt_len);
gst_buffer_fill (buffer, 0, txt, txt_len);
GST_BUFFER_TIMESTAMP (buffer) = ts;
GST_BUFFER_DURATION (buffer) = duration;
return buffer;
}
static gboolean
_test_textoverlay_check_caps_has_feature (GstElement * textoverlay,
const gchar * padname, const gchar * feature)
{
GstPad *pad;
GstCaps *caps;
GstCapsFeatures *f;
gboolean ret;
pad = gst_element_get_static_pad (textoverlay, padname);
fail_unless (pad != NULL);
caps = gst_pad_get_current_caps (pad);
fail_unless (caps != NULL);
gst_object_unref (pad);
f = gst_caps_get_features (caps, 0);
if (f != NULL) {
ret = gst_caps_features_contains (f, feature);
} else {
ret = FALSE;
}
gst_caps_unref (caps);
return ret;
}
static void
cleanup_textoverlay (GstElement * textoverlay)
{
GST_DEBUG ("cleanup_textoverlay");
g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
g_list_free (buffers);
buffers = NULL;
gst_element_set_state (textoverlay, GST_STATE_NULL);
gst_element_get_state (textoverlay, NULL, NULL, GST_CLOCK_TIME_NONE);
gst_pad_set_active (myvideosrcpad, FALSE);
gst_pad_set_active (mysinkpad, FALSE);
notgst_check_teardown_src_pad2 (textoverlay, "video_sink");
if (mytextsrcpad) {
notgst_check_teardown_src_pad2 (textoverlay, "text_sink");
}
gst_check_teardown_sink_pad (textoverlay);
gst_check_teardown_element (textoverlay);
}
GST_START_TEST (test_video_passthrough)
{
GstElement *textoverlay;
GstBuffer *inbuffer, *outbuffer;
GstCaps *incaps, *outcaps;
GstSegment segment;
textoverlay = setup_textoverlay (TRUE);
fail_unless (gst_element_set_state (textoverlay,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
incaps = create_video_caps (VIDEO_CAPS_STRING);
gst_check_setup_events_textoverlay (myvideosrcpad, textoverlay, incaps,
GST_FORMAT_TIME, "video");
inbuffer = create_black_buffer (incaps);
gst_caps_unref (incaps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* ========== (1) video buffer without timestamp => should be dropped ==== */
/* take additional ref to keep it alive */
gst_buffer_ref (inbuffer);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 2);
/* pushing gives away one of the two references we have ... */
fail_unless (gst_pad_push (myvideosrcpad, inbuffer) == GST_FLOW_OK);
/* should have been discarded as out-of-segment since it has no timestamp */
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
fail_unless_equals_int (g_list_length (buffers), 0);
/* ========== (2) buffer with 0 timestamp => simple passthrough ========== */
/* now try again, this time with timestamp (segment defaults to 0 start) */
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
GST_BUFFER_DURATION (inbuffer) = GST_CLOCK_TIME_NONE;
/* take additional ref to keep it alive */
gst_buffer_ref (inbuffer);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 2);
/* pushing gives away one of the two references we have ... */
fail_unless (gst_pad_push (myvideosrcpad, inbuffer) == GST_FLOW_OK);
/* text pad is not linked, timestamp is in segment, no static text to
* render, should have gone through right away without modification */
fail_unless_equals_int (g_list_length (buffers), 1);
outbuffer = GST_BUFFER_CAST (buffers->data);
fail_unless (outbuffer == inbuffer);
outcaps = gst_pad_get_current_caps (mysinkpad);
fail_unless (buffer_is_all_black (outbuffer, outcaps));
gst_caps_unref (outcaps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 2);
/* and clean up */
g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
g_list_free (buffers);
buffers = NULL;
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* ========== (3) buffer with 0 timestamp and no duration, with the
* segment starting from 1sec => should be discarded */
gst_segment_init (&segment, GST_FORMAT_TIME);
segment.start = 1 * GST_SECOND;
segment.stop = -1;
segment.time = 0;
gst_pad_push_event (myvideosrcpad, gst_event_new_segment (&segment));
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
GST_BUFFER_DURATION (inbuffer) = GST_CLOCK_TIME_NONE;
/* take additional ref to keep it alive */
gst_buffer_ref (inbuffer);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 2);
/* pushing gives away one of the two references we have ... */
fail_unless (gst_pad_push (myvideosrcpad, inbuffer) == GST_FLOW_OK);
/* should have been discarded as out-of-segment */
fail_unless_equals_int (g_list_length (buffers), 0);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* ========== (4) buffer with 0 timestamp and small defined duration, with
* segment starting from 1sec => should be discarded */
gst_pad_push_event (myvideosrcpad, gst_event_new_segment (&segment));
GST_BUFFER_DURATION (inbuffer) = GST_SECOND / 10;
/* take additional ref to keep it alive */
gst_buffer_ref (inbuffer);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 2);
/* pushing gives away one of the two references we have ... */
fail_unless (gst_pad_push (myvideosrcpad, inbuffer) == GST_FLOW_OK);
/* should have been discarded as out-of-segment since it has no timestamp */
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
fail_unless_equals_int (g_list_length (buffers), 0);
/* ========== (5) buffer partially overlapping into the segment => should
* be pushed through, but with adjusted stamp values */
gst_pad_push_event (myvideosrcpad, gst_event_new_segment (&segment));
GST_BUFFER_TIMESTAMP (inbuffer) = GST_SECOND / 4;
GST_BUFFER_DURATION (inbuffer) = GST_SECOND;
/* take additional ref to keep it alive */
gst_buffer_ref (inbuffer);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 2);
/* pushing gives away one of the two references we have ... */
fail_unless (gst_pad_push (myvideosrcpad, inbuffer) == GST_FLOW_OK);
/* should be a new buffer for the stamp fix-up */
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
fail_unless_equals_int (g_list_length (buffers), 1);
outbuffer = GST_BUFFER_CAST (buffers->data);
outcaps = gst_pad_get_current_caps (mysinkpad);
fail_unless (outbuffer != inbuffer);
fail_unless (GST_BUFFER_TIMESTAMP (outbuffer) == GST_SECOND);
fail_unless (GST_BUFFER_DURATION (outbuffer) == (GST_SECOND / 4));
fail_unless (buffer_is_all_black (outbuffer, outcaps));
gst_caps_unref (outcaps);
/* and clean up */
g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
g_list_free (buffers);
buffers = NULL;
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* cleanup */
cleanup_textoverlay (textoverlay);
gst_buffer_unref (inbuffer);
}
GST_END_TEST;
GST_START_TEST (test_video_passthrough_with_feature)
{
GstElement *textoverlay;
GstBuffer *inbuffer, *outbuffer;
GstCaps *incaps, *outcaps;
GstVideoOverlayCompositionMeta *comp_meta;
textoverlay = setup_textoverlay_with_templates (&video_srctemplate,
NULL, &sinktemplate_with_features, TRUE);
/* set static text to render */
g_object_set (textoverlay, "text", "XLX", NULL);
fail_unless (gst_element_set_state (textoverlay,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
incaps = create_video_caps (VIDEO_CAPS_STRING);
gst_check_setup_events_textoverlay (myvideosrcpad, textoverlay, incaps,
GST_FORMAT_TIME, "video");
inbuffer = create_black_buffer (incaps);
gst_caps_unref (incaps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
GST_BUFFER_DURATION (inbuffer) = GST_SECOND / 10;
/* take additional ref to keep it alive */
gst_buffer_ref (inbuffer);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 2);
/* pushing gives away one of the two references we have ... */
fail_unless (gst_pad_push (myvideosrcpad, inbuffer) == GST_FLOW_OK);
/* should have been dropped in favour of a new writable buffer */
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
fail_unless_equals_int (g_list_length (buffers), 1);
outbuffer = GST_BUFFER_CAST (buffers->data);
outcaps = gst_pad_get_current_caps (mysinkpad);
fail_unless (outbuffer != inbuffer);
/* output buffer should be black */
fail_unless (buffer_is_all_black (outbuffer, outcaps) == TRUE);
gst_caps_unref (outcaps);
/* output buffer should have the composition meta */
comp_meta = gst_buffer_get_video_overlay_composition_meta (outbuffer);
fail_unless (comp_meta != NULL);
fail_unless (GST_BUFFER_TIMESTAMP (outbuffer) == 0);
fail_unless (GST_BUFFER_DURATION (outbuffer) == (GST_SECOND / 10));
/* and clean up */
g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
g_list_free (buffers);
buffers = NULL;
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* cleanup */
cleanup_textoverlay (textoverlay);
gst_buffer_unref (inbuffer);
}
GST_END_TEST;
GST_START_TEST (test_video_passthrough_with_feature_and_unsupported_caps)
{
GstElement *textoverlay;
GstBuffer *inbuffer, *outbuffer;
GstCaps *incaps, *outcaps;
GstVideoOverlayCompositionMeta *comp_meta;
textoverlay =
setup_textoverlay_with_templates (&unsupported_video_srctemplate, NULL,
&unsupported_sinktemplate_with_features, TRUE);
/* set static text to render */
g_object_set (textoverlay, "text", "XLX", NULL);
fail_unless (gst_element_set_state (textoverlay,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
incaps = create_video_caps (UNSUPPORTED_VIDEO_CAPS_STRING);
gst_check_setup_events_textoverlay (myvideosrcpad, textoverlay, incaps,
GST_FORMAT_TIME, "video");
inbuffer = create_black_buffer (incaps);
gst_caps_unref (incaps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
GST_BUFFER_DURATION (inbuffer) = GST_SECOND / 10;
/* take additional ref to keep it alive */
gst_buffer_ref (inbuffer);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 2);
/* pushing gives away one of the two references we have ... */
fail_unless (gst_pad_push (myvideosrcpad, inbuffer) == GST_FLOW_OK);
/* should have been dropped in favour of a new writable buffer */
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
fail_unless_equals_int (g_list_length (buffers), 1);
outbuffer = GST_BUFFER_CAST (buffers->data);
outcaps = gst_pad_get_current_caps (mysinkpad);
fail_unless (outbuffer != inbuffer);
/* output buffer should be black */
fail_unless (buffer_is_all_black (outbuffer, outcaps) == TRUE);
gst_caps_unref (outcaps);
/* output buffer should have the composition meta */
comp_meta = gst_buffer_get_video_overlay_composition_meta (outbuffer);
fail_unless (comp_meta != NULL);
fail_unless (GST_BUFFER_TIMESTAMP (outbuffer) == 0);
fail_unless (GST_BUFFER_DURATION (outbuffer) == (GST_SECOND / 10));
/* and clean up */
g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
g_list_free (buffers);
buffers = NULL;
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* cleanup */
cleanup_textoverlay (textoverlay);
gst_buffer_unref (inbuffer);
}
GST_END_TEST;
GST_START_TEST (test_video_render_with_any_features_and_no_allocation_meta)
{
GstElement *textoverlay;
GstBuffer *inbuffer, *outbuffer;
GstCaps *incaps, *outcaps;
GstVideoOverlayCompositionMeta *comp_meta;
textoverlay =
setup_textoverlay_with_templates (&video_srctemplate,
NULL, &sinktemplate_any, FALSE);
/* set static text to render */
g_object_set (textoverlay, "text", "XLX", NULL);
fail_unless (gst_element_set_state (textoverlay,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
incaps = create_video_caps (VIDEO_CAPS_STRING);
gst_check_setup_events_textoverlay (myvideosrcpad, textoverlay, incaps,
GST_FORMAT_TIME, "video");
inbuffer = create_black_buffer (incaps);
gst_caps_unref (incaps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
GST_BUFFER_DURATION (inbuffer) = GST_SECOND / 10;
/* take additional ref to keep it alive */
gst_buffer_ref (inbuffer);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 2);
/* pushing gives away one of the two references we have ... */
fail_unless (gst_pad_push (myvideosrcpad, inbuffer) == GST_FLOW_OK);
/* should have been dropped in favour of a new writable buffer */
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
fail_unless_equals_int (g_list_length (buffers), 1);
outbuffer = GST_BUFFER_CAST (buffers->data);
outcaps = gst_pad_get_current_caps (mysinkpad);
fail_unless (outbuffer != inbuffer);
/* output buffer should have rendered text */
fail_if (buffer_is_all_black (outbuffer, outcaps));
gst_caps_unref (outcaps);
/* output buffer should not have the composition meta */
comp_meta = gst_buffer_get_video_overlay_composition_meta (outbuffer);
fail_unless (comp_meta == NULL);
fail_unless (GST_BUFFER_TIMESTAMP (outbuffer) == 0);
fail_unless (GST_BUFFER_DURATION (outbuffer) == (GST_SECOND / 10));
/* output caps shouldn't have the composition meta */
fail_if (_test_textoverlay_check_caps_has_feature (textoverlay, "src",
GST_CAPS_FEATURE_META_GST_VIDEO_OVERLAY_COMPOSITION));
/* and clean up */
g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
g_list_free (buffers);
buffers = NULL;
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* cleanup */
cleanup_textoverlay (textoverlay);
gst_buffer_unref (inbuffer);
}
GST_END_TEST;
GST_START_TEST (test_video_render_static_text)
{
GstElement *textoverlay;
GstBuffer *inbuffer, *outbuffer;
GstCaps *incaps, *outcaps;
textoverlay = setup_textoverlay (TRUE);
/* set static text to render */
g_object_set (textoverlay, "text", "XLX", NULL);
fail_unless (gst_element_set_state (textoverlay,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
incaps = create_video_caps (VIDEO_CAPS_STRING);
gst_check_setup_events_textoverlay (myvideosrcpad, textoverlay, incaps,
GST_FORMAT_TIME, "video");
inbuffer = create_black_buffer (incaps);
gst_caps_unref (incaps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
GST_BUFFER_DURATION (inbuffer) = GST_SECOND / 10;
/* take additional ref to keep it alive */
gst_buffer_ref (inbuffer);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 2);
/* pushing gives away one of the two references we have ... */
fail_unless (gst_pad_push (myvideosrcpad, inbuffer) == GST_FLOW_OK);
/* should have been dropped in favour of a new writable buffer */
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
fail_unless_equals_int (g_list_length (buffers), 1);
outbuffer = GST_BUFFER_CAST (buffers->data);
outcaps = gst_pad_get_current_caps (mysinkpad);
fail_unless (outbuffer != inbuffer);
/* there should be text rendered */
fail_unless (buffer_is_all_black (outbuffer, outcaps) == FALSE);
gst_caps_unref (outcaps);
fail_unless (GST_BUFFER_TIMESTAMP (outbuffer) == 0);
fail_unless (GST_BUFFER_DURATION (outbuffer) == (GST_SECOND / 10));
/* and clean up */
g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
g_list_free (buffers);
buffers = NULL;
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* cleanup */
cleanup_textoverlay (textoverlay);
gst_buffer_unref (inbuffer);
}
GST_END_TEST;
static gpointer
test_video_waits_for_text_send_text_newsegment_thread (gpointer data)
{
GstSegment segment;
g_usleep (1 * G_USEC_PER_SEC);
/* send an update newsegment; the video buffer should now be pushed through
* even though there is no text buffer queued at the moment */
GST_INFO ("Sending newsegment update on text pad");
gst_segment_init (&segment, GST_FORMAT_TIME);
segment.base = 35 * GST_SECOND;
segment.start = 35 * GST_SECOND;
segment.time = 35 * GST_SECOND;
gst_pad_push_event (mytextsrcpad, gst_event_new_segment (&segment));
return NULL;
}
static gpointer
test_video_waits_for_text_shutdown_element (gpointer data)
{
g_usleep (1 * G_USEC_PER_SEC);
GST_INFO ("Trying to shut down textoverlay element ...");
/* set to NULL state to make sure we can shut it down while it's
* blocking in the video chain function waiting for a text buffer */
gst_element_set_state (GST_ELEMENT (data), GST_STATE_NULL);
GST_INFO ("Done.");
return NULL;
}
GST_START_TEST (test_video_waits_for_text)
{
GstElement *textoverlay;
GstBuffer *inbuffer, *outbuffer, *tbuf;
GstCaps *caps, *incaps, *outcaps;
GThread *thread;
textoverlay = setup_textoverlay (FALSE);
fail_unless (gst_element_set_state (textoverlay,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
caps = gst_caps_new_simple ("text/x-raw", "format", G_TYPE_STRING, "utf8",
NULL);
gst_check_setup_events_textoverlay (mytextsrcpad, textoverlay, caps,
GST_FORMAT_TIME, "text");
gst_caps_unref (caps);
tbuf = create_text_buffer ("XLX", 1 * GST_SECOND, 5 * GST_SECOND);
gst_buffer_ref (tbuf);
ASSERT_BUFFER_REFCOUNT (tbuf, "tbuf", 2);
GST_LOG ("pushing text buffer");
fail_unless (gst_pad_push (mytextsrcpad, tbuf) == GST_FLOW_OK);
/* it should be stuck in textoverlay until it gets a text buffer or a
* newsegment event that indicates it's not needed any longer */
fail_unless_equals_int (g_list_length (buffers), 0);
incaps = create_video_caps (VIDEO_CAPS_STRING);
gst_check_setup_events_textoverlay (myvideosrcpad, textoverlay, incaps,
GST_FORMAT_TIME, "video");
inbuffer = create_black_buffer (incaps);
gst_caps_unref (incaps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
GST_BUFFER_TIMESTAMP (inbuffer) = 0;
GST_BUFFER_DURATION (inbuffer) = GST_SECOND / 2;
/* pushing gives away one of the two references we have ... */
GST_LOG ("pushing video buffer 1");
fail_unless (gst_pad_push (myvideosrcpad, inbuffer) == GST_FLOW_OK);
/* video buffer should have gone through untainted, since the text is later */
fail_unless_equals_int (g_list_length (buffers), 1);
/* text should still be stuck in textoverlay */
ASSERT_BUFFER_REFCOUNT (tbuf, "tbuf", 2);
/* there should be no text rendered */
outbuffer = GST_BUFFER_CAST (buffers->data);
ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
outcaps = gst_pad_get_current_caps (mysinkpad);
fail_unless (buffer_is_all_black (outbuffer, outcaps));
gst_caps_unref (outcaps);
/* now, another video buffer */
inbuffer = create_black_buffer (incaps);
GST_BUFFER_TIMESTAMP (inbuffer) = GST_SECOND;
GST_BUFFER_DURATION (inbuffer) = GST_SECOND / 2;
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* pushing gives away one of the two references we have ... */
GST_LOG ("pushing video buffer 2");
fail_unless (gst_pad_push (myvideosrcpad, inbuffer) == GST_FLOW_OK);
/* video buffer should have gone right away, with text rendered on it */
fail_unless_equals_int (g_list_length (buffers), 2);
/* text should still be stuck in textoverlay */
ASSERT_BUFFER_REFCOUNT (tbuf, "tbuf", 2);
/* there should be text rendered */
outbuffer = GST_BUFFER_CAST (buffers->next->data);
ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
outcaps = gst_pad_get_current_caps (mysinkpad);
fail_unless (buffer_is_all_black (outbuffer, outcaps) == FALSE);
gst_caps_unref (outcaps);
/* a third video buffer */
inbuffer = create_black_buffer (incaps);
GST_BUFFER_TIMESTAMP (inbuffer) = 30 * GST_SECOND;
GST_BUFFER_DURATION (inbuffer) = GST_SECOND / 2;
/* video buffer #3: should not go through, it should discard the current
* text buffer as too old and then wait for the next text buffer (or a
* newsegment event to arrive); we spawn a background thread to send such
* a newsegment event after a second or so so we get back control */
thread =
g_thread_try_new ("gst-check",
test_video_waits_for_text_send_text_newsegment_thread, NULL, NULL);
fail_unless (thread != NULL);
g_thread_unref (thread);
GST_LOG ("pushing video buffer 3");
fail_unless (gst_pad_push (myvideosrcpad, inbuffer) == GST_FLOW_OK);
/* but the text should no longer be stuck in textoverlay */
ASSERT_BUFFER_REFCOUNT (tbuf, "tbuf", 1);
/* video buffer should have gone through after newsegment event */
fail_unless_equals_int (g_list_length (buffers), 3);
/* ... and there should not be any text rendered on it */
outbuffer = GST_BUFFER_CAST (buffers->next->next->data);
ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
outcaps = gst_pad_get_current_caps (mysinkpad);
fail_unless (buffer_is_all_black (outbuffer, outcaps));
gst_caps_unref (outcaps);
/* a fourth video buffer */
inbuffer = create_black_buffer (incaps);
GST_BUFFER_TIMESTAMP (inbuffer) = 35 * GST_SECOND;
GST_BUFFER_DURATION (inbuffer) = GST_SECOND;
/* video buffer #4: should not go through, it should wait for the next
* text buffer (or a newsegment event) to arrive; we spawn a background
* thread to shut down the element while it's waiting to make sure that
* works ok */
thread = g_thread_try_new ("gst-check",
test_video_waits_for_text_shutdown_element, textoverlay, NULL);
fail_unless (thread != NULL);
g_thread_unref (thread);
GST_LOG ("pushing video buffer 4");
fail_unless (gst_pad_push (myvideosrcpad, inbuffer) == GST_FLOW_FLUSHING);
/* and clean up */
g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
g_list_free (buffers);
buffers = NULL;
/* cleanup */
cleanup_textoverlay (textoverlay);
/* give up our ref, textoverlay should've cleared its queued buffer by now */
ASSERT_BUFFER_REFCOUNT (tbuf, "tbuf", 1);
gst_buffer_unref (tbuf);
}
GST_END_TEST;
static gpointer
test_render_continuity_push_video_buffers_thread (gpointer data)
{
/* push video buffers at 1fps */
guint frame_count = 0;
GstCaps *vcaps;
vcaps = create_video_caps (VIDEO_CAPS_STRING);
gst_check_setup_events_textoverlay (myvideosrcpad, data, vcaps,
GST_FORMAT_TIME, "video");
do {
GstBuffer *vbuf;
vbuf = create_black_buffer (vcaps);
ASSERT_BUFFER_REFCOUNT (vbuf, "vbuf", 1);
GST_BUFFER_TIMESTAMP (vbuf) = frame_count * GST_SECOND;
GST_BUFFER_DURATION (vbuf) = GST_SECOND;
/* pushing gives away one of the two references we have ... */
GST_LOG ("pushing video buffer %u @ %" GST_TIME_FORMAT, frame_count,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (vbuf)));
fail_unless (gst_pad_push (myvideosrcpad, vbuf) == GST_FLOW_OK);
++frame_count;
} while (frame_count < 15);
gst_caps_unref (vcaps);
return NULL;
}
GST_START_TEST (test_render_continuity)
{
GThread *thread;
GstElement *textoverlay;
GstBuffer *tbuf;
GstCaps *caps, *outcaps;
textoverlay = setup_textoverlay (FALSE);
fail_unless (gst_element_set_state (textoverlay,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
thread = g_thread_try_new ("gst-check",
test_render_continuity_push_video_buffers_thread, textoverlay, NULL);
fail_unless (thread != NULL);
g_thread_unref (thread);
caps = gst_caps_new_simple ("text/x-raw", "format", G_TYPE_STRING, "utf8",
NULL);
gst_check_setup_events_textoverlay (mytextsrcpad, textoverlay, caps,
GST_FORMAT_TIME, "text");
gst_caps_unref (caps);
tbuf = create_text_buffer ("XLX", 2 * GST_SECOND, GST_SECOND);
GST_LOG ("pushing text buffer @ %" GST_TIME_FORMAT,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (tbuf)));
fail_unless (gst_pad_push (mytextsrcpad, tbuf) == GST_FLOW_OK);
tbuf = create_text_buffer ("XLX", 3 * GST_SECOND, 2 * GST_SECOND);
GST_LOG ("pushing text buffer @ %" GST_TIME_FORMAT,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (tbuf)));
fail_unless (gst_pad_push (mytextsrcpad, tbuf) == GST_FLOW_OK);
tbuf = create_text_buffer ("XLX", 7 * GST_SECOND, GST_SECOND);
GST_LOG ("pushing text buffer @ %" GST_TIME_FORMAT,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (tbuf)));
fail_unless (gst_pad_push (mytextsrcpad, tbuf) == GST_FLOW_OK);
tbuf = create_text_buffer ("XLX", 8 * GST_SECOND, GST_SECOND);
GST_LOG ("pushing text buffer @ %" GST_TIME_FORMAT,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (tbuf)));
fail_unless (gst_pad_push (mytextsrcpad, tbuf) == GST_FLOW_OK);
tbuf = create_text_buffer ("XLX", 9 * GST_SECOND, GST_SECOND);
GST_LOG ("pushing text buffer @ %" GST_TIME_FORMAT,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (tbuf)));
fail_unless (gst_pad_push (mytextsrcpad, tbuf) == GST_FLOW_OK);
tbuf = create_text_buffer ("XLX", 10 * GST_SECOND, 30 * GST_SECOND);
GST_LOG ("pushing text buffer @ %" GST_TIME_FORMAT,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (tbuf)));
fail_unless (gst_pad_push (mytextsrcpad, tbuf) == GST_FLOW_OK);
GST_LOG ("give the other thread some time to push through the remaining"
"video buffers");
g_usleep (G_USEC_PER_SEC);
GST_LOG ("done");
/* we should have 15 buffers each with one second length now */
fail_unless_equals_int (g_list_length (buffers), 15);
outcaps = gst_pad_get_current_caps (mysinkpad);
/* buffers 0 + 1 should be black */
fail_unless (buffer_is_all_black (GST_BUFFER (g_list_nth_data (buffers, 0)),
outcaps));
fail_unless (buffer_is_all_black (GST_BUFFER (g_list_nth_data (buffers, 1)),
outcaps));
/* buffers 2 - 4 should have text */
fail_unless (buffer_is_all_black (GST_BUFFER (g_list_nth_data (buffers,
2)), outcaps) == FALSE);
fail_unless (buffer_is_all_black (GST_BUFFER (g_list_nth_data (buffers,
3)), outcaps) == FALSE);
fail_unless (buffer_is_all_black (GST_BUFFER (g_list_nth_data (buffers,
4)), outcaps) == FALSE);
/* buffers 5 + 6 should be black */
fail_unless (buffer_is_all_black (GST_BUFFER (g_list_nth_data (buffers, 5)),
outcaps));
fail_unless (buffer_is_all_black (GST_BUFFER (g_list_nth_data (buffers, 6)),
outcaps));
/* buffers 7 - last should have text */
fail_unless (buffer_is_all_black (GST_BUFFER (g_list_nth_data (buffers,
7)), outcaps) == FALSE);
fail_unless (buffer_is_all_black (GST_BUFFER (g_list_nth_data (buffers,
8)), outcaps) == FALSE);
fail_unless (buffer_is_all_black (GST_BUFFER (g_list_nth_data (buffers,
9)), outcaps) == FALSE);
fail_unless (buffer_is_all_black (GST_BUFFER (g_list_nth_data (buffers,
10)), outcaps) == FALSE);
fail_unless (buffer_is_all_black (GST_BUFFER (g_list_nth_data (buffers,
11)), outcaps) == FALSE);
fail_unless (buffer_is_all_black (GST_BUFFER (g_list_nth_data (buffers,
12)), outcaps) == FALSE);
fail_unless (buffer_is_all_black (GST_BUFFER (g_list_nth_data (buffers,
13)), outcaps) == FALSE);
fail_unless (buffer_is_all_black (GST_BUFFER (g_list_nth_data (buffers,
14)), outcaps) == FALSE);
gst_caps_unref (outcaps);
/* and clean up */
g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
g_list_free (buffers);
buffers = NULL;
/* cleanup */
cleanup_textoverlay (textoverlay);
}
GST_END_TEST;
static Suite *
textoverlay_suite (void)
{
Suite *s = suite_create ("textoverlay");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_video_passthrough);
tcase_add_test (tc_chain, test_video_passthrough_with_feature);
tcase_add_test (tc_chain,
test_video_passthrough_with_feature_and_unsupported_caps);
tcase_add_test (tc_chain,
test_video_render_with_any_features_and_no_allocation_meta);
tcase_add_test (tc_chain, test_video_render_static_text);
tcase_add_test (tc_chain, test_render_continuity);
tcase_add_test (tc_chain, test_video_waits_for_text);
return s;
}
GST_CHECK_MAIN (textoverlay);
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