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tests: add test for switching video effects at run time

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Bases on test app in bug #614296. Doesn't work reliably yet,
leads to not-negotiated errors sooner or later, even when
it's the same element being re-plugged.
This commit is contained in:
Tim-Philipp Müller 2012-06-30 16:50:10 +01:00
parent 0fba95a7b1
commit 1046936be5
2 changed files with 236 additions and 1 deletions
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6
tests/icles/Makefile.am
View file

@ -72,6 +72,10 @@ stress_playbin_SOURCES = stress-playbin.c
stress_playbin_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS)
stress_playbin_LDADD = $(GST_LIBS) $(LIBM)
test_effect_switch_SOURCES = test-effect-switch.c
test_effect_switch_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS)
test_effect_switch_LDADD = $(GST_LIBS)
test_scale_SOURCES = test-scale.c
test_scale_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS)
test_scale_LDADD = $(GST_LIBS) $(LIBM)
@ -82,4 +86,4 @@ test_box_LDADD = $(GST_LIBS) $(LIBM)
noinst_PROGRAMS = $(X_TESTS) $(PANGO_TESTS) \
audio-trickplay playbin-text position-formats stress-playbin \
test-scale test-box
test-scale test-box test-effect-switch

231
tests/icles/test-effect-switch.c Normal file
View file

@ -0,0 +1,231 @@
/* GStreamer dynamic effect change test app
* Copyright (C) 2012 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Based on python script by Thiago Sousa Santos
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
static gchar *opt_effects = NULL;
#define DEFAULT_EFFECTS "identity,exclusion,navigationtest," \
"agingtv,videoflip,vertigotv,gaussianblur,identity"
static GstElement *conv_before;
static GstElement *conv_after;
static GstElement *cur_effect;
static GstElement *pipeline;
static GQueue effects = G_QUEUE_INIT;
#if 0
static GstPadProbeReturn
pad_probe_cb (GstPad * pad, GstPadProbeInfo * info, gpointer user_data)
{
GstElement *next = user_data;
GST_ERROR_OBJECT (pad, "pad is idle now");
gst_element_set_state (cur_effect, GST_STATE_NULL);
/* remove unlinks automatically */
GST_ERROR_OBJECT (pipeline, "removing %" GST_PTR_FORMAT, cur_effect);
gst_bin_remove (GST_BIN (pipeline), cur_effect);
GST_ERROR_OBJECT (pipeline, "adding %" GST_PTR_FORMAT, next);
gst_bin_add (GST_BIN (pipeline), next);
GST_ERROR_OBJECT (pipeline, "linking..");
gst_element_link_many (conv_before, next, conv_after, NULL);
gst_element_set_state (next, GST_STATE_PLAYING);
cur_effect = next;
/* FIXME: this seems to not work */
gst_pad_remove_probe (pad, info->id);
g_print ("Done\n");
/* FIXME: returning PROBE_REMOVE from an idle probe seems to do nothing */
return GST_PAD_PROBE_REMOVE;
}
#endif
static gboolean
timeout_cb (gpointer user_data)
{
GMainLoop *loop = user_data;
GstElement *next;
gulong block_id;
GstPad *pad;
g_queue_push_tail (&effects, gst_object_ref (cur_effect));
next = g_queue_pop_head (&effects);
if (next == NULL) {
g_main_loop_quit (loop);
return FALSE;
}
g_print ("Switching from '%s' to '%s'..\n", GST_OBJECT_NAME (cur_effect),
GST_OBJECT_NAME (next));
pad = gst_element_get_static_pad (conv_before, "src");
block_id =
gst_pad_add_probe (pad, GST_PAD_PROBE_TYPE_BLOCK, NULL, NULL, NULL);
g_print ("Blocked\n");
gst_pad_remove_probe (pad, block_id);
gst_element_set_state (cur_effect, GST_STATE_NULL);
/* remove unlinks automatically */
gst_bin_remove (GST_BIN (pipeline), cur_effect);
g_print ("Removed\n");
gst_bin_add (GST_BIN (pipeline), next);
g_print ("Added\n");
gst_element_link_many (conv_before, next, conv_after, NULL);
g_print ("Re-linked\n");
gst_element_set_state (next, GST_STATE_PLAYING);
cur_effect = next;
gst_element_set_state (pipeline, GST_STATE_PLAYING);
/* FIXME: we have to remove the block before we link, otherwise the
* caps queries on linking will deadlock us - check if that's intentional */
#if 0
gst_pad_remove_probe (pad, block_id);
#endif
g_print ("Done\n\n\n");
/* FIXME: waiting for the pad to be idle, and then relinking from there
* doesn't seem to work very well either for some reason, and returning
* GST_PAD_PROBE_REMOVE does not seem to work. Doing the same from a
* BLOCKING callback has the same problem as above */
#if 0
gst_pad_add_probe (pad, GST_PAD_PROBE_TYPE_IDLE, pad_probe_cb, next, NULL);
#endif
return TRUE;
}
static gboolean
bus_cb (GstBus * bus, GstMessage * msg, gpointer user_data)
{
GMainLoop *loop = user_data;
switch (GST_MESSAGE_TYPE (msg)) {
case GST_MESSAGE_ERROR:{
GError *err = NULL;
gchar *dbg;
gst_message_parse_error (msg, &err, &dbg);
gst_object_default_error (msg->src, err, dbg);
g_error_free (err);
g_free (dbg);
g_main_loop_quit (loop);
break;
}
default:
break;
}
return TRUE;
}
int
main (int argc, char **argv)
{
GOptionEntry options[] = {
{"effects", 'e', 0, G_OPTION_ARG_STRING, &opt_effects,
"Effects to use (comma-separated list of element names)", NULL},
{NULL}
};
GOptionContext *ctx;
GError *err = NULL;
GMainLoop *loop;
GstElement *src, *q1, *q2, *effect, *filter1, *filter2, *sink;
gchar **effect_names, **e;
ctx = g_option_context_new ("");
g_option_context_add_main_entries (ctx, options, GETTEXT_PACKAGE);
g_option_context_add_group (ctx, gst_init_get_option_group ());
if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
g_print ("Error initializing: %s\n", err->message);
return 1;
}
g_option_context_free (ctx);
GST_FIXME ("Multiple things to check/fix, see source code");
if (opt_effects != NULL)
effect_names = g_strsplit (opt_effects, ",", -1);
else
effect_names = g_strsplit (DEFAULT_EFFECTS, ",", -1);
for (e = effect_names; e != NULL && *e != NULL; ++e) {
g_print ("Adding effect '%s'\n", *e);
g_queue_push_tail (&effects, gst_element_factory_make (*e, NULL));
}
pipeline = gst_pipeline_new ("pipeline");
src = gst_element_factory_make ("videotestsrc", NULL);
g_object_set (src, "is-live", TRUE, NULL);
filter1 = gst_element_factory_make ("capsfilter", NULL);
gst_util_set_object_arg (G_OBJECT (filter1), "caps",
"video/x-raw, format=I420, width=320, height=240, "
"format={ I420, YV12, YUY2, UYVY, AYUV, Y41B, Y42B, "
"YVYU, Y444, v210, v216, NV12, NV21, UYVP, A420, YUV9, YVU9, IYU1 }");
q1 = gst_element_factory_make ("queue", NULL);
conv_before = gst_element_factory_make ("videoconvert", NULL);
effect = g_queue_pop_head (&effects);
cur_effect = effect;
conv_after = gst_element_factory_make ("videoconvert", NULL);
q2 = gst_element_factory_make ("queue", NULL);
filter2 = gst_element_factory_make ("capsfilter", NULL);
gst_util_set_object_arg (G_OBJECT (filter2), "caps",
"video/x-raw, width=320, height=240, "
"format={ RGBx, BGRx, xRGB, xBGR, RGBA, BGRA, ARGB, ABGR, RGB, BGR }");
sink = gst_element_factory_make ("ximagesink", NULL);
gst_bin_add_many (GST_BIN (pipeline), src, filter1, q1, conv_before, effect,
conv_after, q2, sink, NULL);
gst_element_link_many (src, filter1, q1, conv_before, effect, conv_after,
q2, sink, NULL);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
loop = g_main_loop_new (NULL, FALSE);
gst_bus_add_watch (GST_ELEMENT_BUS (pipeline), bus_cb, loop);
g_timeout_add_seconds (1, timeout_cb, loop);
g_main_loop_run (loop);
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_object_unref (pipeline);
return 0;
}