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gstreamer/tests/check/elements/textoverlay.c

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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_MINI_OBJECT_REFCOUNT (gst_buffer_peek_memory (tbuf, 0), "tbuf-mem", 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_MINI_OBJECT_REFCOUNT (gst_buffer_peek_memory (tbuf, 0), "tbuf-mem", 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_MINI_OBJECT_REFCOUNT (gst_buffer_peek_memory (tbuf, 0), "tbuf-mem", 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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