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check/gst/gstutils.c: New file.
Original commit message from CVS: 2005-09-21 Andy Wingo <wingo@pobox.com> * check/gst/gstutils.c: New file. (test_buffer_probe_n_times): A simple buffer probe test. More to come, foolios. * gst/gstutils.c (gst_pad_add_buffer_probe): Connect to have-data::buffer, not have-data. (gst_pad_add_event_probe): Likewise for have-data::event. (gst_pad_add_data_probe): More docs. The part about 'resolving the peer' isn't quite right yet though. (gst_pad_remove_buffer_probe, gst_pad_remove_event_probe) (gst_pad_remove_data_probe): Change to take the guint handler_id as their arg, not the function+data, which is more glib-like. * gst/gstpad.c (gst_pad_emit_have_data_signal): Add a detail to the signal emission to indicate if the data is a buffer or an event. (gst_pad_get_type): Initialize buffer and event quarks. (gst_pad_class_init): have-data is now a detailed signal, yes it is.
This commit is contained in:
Andy Wingo
parent
9894c90109
commit
5b77a67125
9 changed files with 273 additions and 69 deletions
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@ -45,6 +45,7 @@ check_PROGRAMS = \
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gst/gstsystemclock \
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gst/gststructure \
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gst/gsttag \
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gst/gstutils \
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gst/gstvalue \
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elements/fakesrc \
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elements/identity \
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96
check/gst/gstutils.c
Normal file
96
check/gst/gstutils.c
Normal file
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@ -0,0 +1,96 @@
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/* GStreamer
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* Copyright (C) <2005> Thomas Vander Stichele <thomas at apestaart dot org>
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*
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* gstutils.c: Unit test for functions in gstutils
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include <gst/check/gstcheck.h>
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#define SPECIAL_POINTER (void*)19283847
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static int n_buffer_probes = 0;
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static gboolean
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buffer_probe (GstPad * pad, GstBuffer * obj, gpointer data)
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{
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n_buffer_probes++;
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g_assert (data == SPECIAL_POINTER);
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return TRUE;
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}
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GST_START_TEST (test_buffer_probe_n_times)
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{
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GstElement *pipeline, *fakesrc, *fakesink;
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GstBus *bus;
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GstMessage *message;
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GstPad *pad;
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guint id;
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pipeline = gst_element_factory_make ("pipeline", NULL);
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fakesrc = gst_element_factory_make ("fakesrc", NULL);
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fakesink = gst_element_factory_make ("fakesink", NULL);
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g_object_set (fakesrc, "num-buffers", (int) 10, NULL);
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gst_bin_add_many (GST_BIN (pipeline), fakesrc, fakesink, NULL);
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gst_element_link (fakesrc, fakesink);
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pad = gst_element_get_pad (fakesink, "sink");
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id = gst_pad_add_buffer_probe (pad, G_CALLBACK (buffer_probe),
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SPECIAL_POINTER);
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gst_object_unref (pad);
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gst_element_set_state (pipeline, GST_STATE_PLAYING);
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bus = gst_element_get_bus (pipeline);
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message = gst_bus_poll (bus, GST_MESSAGE_EOS, -1);
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gst_message_unref (message);
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gst_object_unref (bus);
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gst_element_set_state (pipeline, GST_STATE_NULL);
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gst_object_unref (pipeline);
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g_assert (n_buffer_probes == 10);
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} GST_END_TEST;
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Suite *
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gst_utils_suite (void)
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{
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Suite *s = suite_create ("GstUtils");
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TCase *tc_chain = tcase_create ("general");
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suite_add_tcase (s, tc_chain);
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tcase_add_test (tc_chain, test_buffer_probe_n_times);
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return s;
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}
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int
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main (int argc, char **argv)
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{
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int nf;
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Suite *s = gst_utils_suite ();
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SRunner *sr = srunner_create (s);
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gst_check_init (&argc, &argv);
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srunner_run_all (sr, CK_NORMAL);
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nf = srunner_ntests_failed (sr);
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srunner_free (sr);
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return nf;
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}
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@ -1306,6 +1306,8 @@ gst_element_request_pad_by_name() or gst_element_request_compatible_pad().
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</para>
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@pad:
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@handler_id:
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<!-- # Unused Parameters # -->
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@handler:
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@data:
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@ -1316,6 +1318,8 @@ gst_element_request_pad_by_name() or gst_element_request_compatible_pad().
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</para>
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@pad:
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@handler_id:
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<!-- # Unused Parameters # -->
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@handler:
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@data:
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@ -1326,6 +1330,8 @@ gst_element_request_pad_by_name() or gst_element_request_compatible_pad().
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</para>
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@pad:
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@handler_id:
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<!-- # Unused Parameters # -->
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@handler:
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@data:
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@ -27,6 +27,9 @@ network connections also need a protocol to do this.
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#GstBuffer, #GstCaps, #GstEvent
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</para>
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<!-- ##### SECTION Stability_Level ##### -->
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<!-- ##### ENUM GstDPHeaderFlag ##### -->
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<para>
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17
gst/gstpad.c
17
gst/gstpad.c
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@ -96,6 +96,9 @@ static xmlNodePtr gst_pad_save_thyself (GstObject * object, xmlNodePtr parent);
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static GstObjectClass *pad_parent_class = NULL;
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static guint gst_pad_signals[PAD_LAST_SIGNAL] = { 0 };
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static GQuark buffer_quark;
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static GQuark event_quark;
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GType
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gst_pad_get_type (void)
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{
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@ -111,6 +114,9 @@ gst_pad_get_type (void)
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_gst_pad_type = g_type_register_static (GST_TYPE_OBJECT, "GstPad",
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&pad_info, 0);
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buffer_quark = g_quark_from_static_string ("buffer");
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event_quark = g_quark_from_static_string ("event");
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GST_DEBUG_CATEGORY_INIT (debug_dataflow, "GST_DATAFLOW",
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GST_DEBUG_BOLD | GST_DEBUG_FG_GREEN, "dataflow inside pads");
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}
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@ -200,7 +206,8 @@ gst_pad_class_init (GstPadClass * klass)
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*/
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gst_pad_signals[PAD_HAVE_DATA] =
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g_signal_new ("have-data", G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstPadClass, have_data),
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G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED,
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G_STRUCT_OFFSET (GstPadClass, have_data),
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_gst_do_pass_data_accumulator,
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NULL, gst_marshal_BOOLEAN__POINTER, G_TYPE_BOOLEAN, 1,
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GST_TYPE_MINI_OBJECT);
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@ -2888,6 +2895,7 @@ gst_pad_emit_have_data_signal (GstPad * pad, GstMiniObject * obj)
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GValue ret = { 0 };
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GValue args[2] = { {0}, {0} };
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gboolean res;
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GQuark detail;
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/* init */
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g_value_init (&ret, G_TYPE_BOOLEAN);
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@ -2897,8 +2905,13 @@ gst_pad_emit_have_data_signal (GstPad * pad, GstMiniObject * obj)
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g_value_init (&args[1], GST_TYPE_MINI_OBJECT); // G_TYPE_POINTER);
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gst_value_set_mini_object (&args[1], obj);
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if (GST_IS_EVENT (obj))
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detail = event_quark;
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else
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detail = buffer_quark;
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/* actually emit */
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g_signal_emitv (args, gst_pad_signals[PAD_HAVE_DATA], 0, &ret);
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g_signal_emitv (args, gst_pad_signals[PAD_HAVE_DATA], detail, &ret);
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res = g_value_get_boolean (&ret);
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/* clean up */
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110
gst/gstutils.c
110
gst/gstutils.c
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@ -2431,13 +2431,29 @@ gst_atomic_int_set (gint * atomic_int, gint value)
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* @handler: function to call when data is passed over pad
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* @data: data to pass along with the handler
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*
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* Connects a signal handler to the pad's have-data signal, and increases
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* the do_{buffer,event}_signals number on the pads so that those
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* signals are actually fired.
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* Adds a "data probe" to a pad. This function will be called whenever data
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* passes through a pad. In this case data means both events and buffers. The
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* probe will be called with the data as an argument. Note that the data will
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* have a reference count greater than 1, so it will be immutable -- you must
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* not change it.
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*
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* Returns: The handler id
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* For source pads, the probe will be called after the blocking function, if any
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* (see gst_pad_set_blocked_async()), but before looking up the peer to chain
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* to. For sink pads, the probe function will be called before configuring the
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* sink with new caps, if any, and before calling the pad's chain function.
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*
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* Your data probe should return TRUE to let the data continue to flow, or FALSE
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* to drop it. Dropping data is rarely useful, but occasionally comes in handy
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* with events.
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*
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* Although probes are implemeted internally by connecting @handler to the
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* have-data signal on the pad, if you want to remove a probe it is insufficient
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* to only call g_signal_handler_disconnect on the returned handler id. To
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* remove a probe, use the appropriate function, such as
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* gst_pad_remove_data_probe().
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*
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* Returns: The handler id.
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*/
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gulong
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gst_pad_add_data_probe (GstPad * pad, GCallback handler, gpointer data)
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{
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@ -2464,13 +2480,11 @@ gst_pad_add_data_probe (GstPad * pad, GCallback handler, gpointer data)
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* @handler: function to call when data is passed over pad
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* @data: data to pass along with the handler
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*
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* Connects a signal handler to the pad's have-data signal, and increases
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* the do_event_signals number on the pads so that this signal
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* is actually fired.
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* Adds a probe that will be called for all events passing through a pad. See
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* gst_pad_add_data_probe() for more information.
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*
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* Returns: The handler id
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*/
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gulong
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gst_pad_add_event_probe (GstPad * pad, GCallback handler, gpointer data)
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{
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@ -2480,7 +2494,7 @@ gst_pad_add_event_probe (GstPad * pad, GCallback handler, gpointer data)
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g_return_val_if_fail (handler != NULL, 0);
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GST_LOCK (pad);
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sigid = g_signal_connect (pad, "have-data", handler, data);
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sigid = g_signal_connect (pad, "have-data::event", handler, data);
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GST_PAD_DO_EVENT_SIGNALS (pad)++;
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GST_DEBUG ("adding event probe to pad %s:%s, now %d probes",
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GST_DEBUG_PAD_NAME (pad), GST_PAD_DO_EVENT_SIGNALS (pad));
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@ -2495,13 +2509,11 @@ gst_pad_add_event_probe (GstPad * pad, GCallback handler, gpointer data)
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* @handler: function to call when data is passed over pad
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* @data: data to pass along with the handler
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*
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* Connects a signal handler to the pad's have-data signal, and increases
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* the do_buffer_signals number on the pads so that this signal
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* is actually fired.
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* Adds a probe that will be called for all buffers passing through a pad. See
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* gst_pad_add_data_probe() for more information.
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*
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* Returns: The handler id
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*/
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gulong
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gst_pad_add_buffer_probe (GstPad * pad, GCallback handler, gpointer data)
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{
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@ -2511,7 +2523,7 @@ gst_pad_add_buffer_probe (GstPad * pad, GCallback handler, gpointer data)
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g_return_val_if_fail (handler != NULL, 0);
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GST_LOCK (pad);
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sigid = g_signal_connect (pad, "have-data", handler, data);
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sigid = g_signal_connect (pad, "have-data::buffer", handler, data);
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GST_PAD_DO_BUFFER_SIGNALS (pad)++;
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GST_DEBUG ("adding buffer probe to pad %s:%s, now %d probes",
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GST_DEBUG_PAD_NAME (pad), GST_PAD_DO_BUFFER_SIGNALS (pad));
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@ -2523,29 +2535,23 @@ gst_pad_add_buffer_probe (GstPad * pad, GCallback handler, gpointer data)
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/**
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* gst_pad_remove_data_probe:
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* @pad: pad to remove the data probe handler from
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* @handler: function that was assigned to the signal
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* @data: data that was assigned to the signal handler
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* @handler_id: handler id returned from gst_pad_add_data_probe
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*
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* Unconnects a signal handler to the pad's have-data signal, and decreases
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* the do_{buffer,event}_signals number on the pads so that those
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* signals are actually no more fired if no signals are connected.
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* Removes a data probe from @pad.
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*/
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void
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gst_pad_remove_data_probe (GstPad * pad, GCallback handler, gpointer data)
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gst_pad_remove_data_probe (GstPad * pad, guint handler_id)
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{
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guint count;
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g_return_if_fail (GST_IS_PAD (pad));
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g_return_if_fail (handler != NULL);
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g_return_if_fail (handler_id > 0);
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GST_LOCK (pad);
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count = g_signal_handlers_disconnect_by_func (pad, handler, data);
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GST_PAD_DO_BUFFER_SIGNALS (pad) -= count;
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GST_PAD_DO_EVENT_SIGNALS (pad) -= count;
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g_signal_handler_disconnect (pad, handler_id);
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GST_PAD_DO_BUFFER_SIGNALS (pad)--;
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GST_PAD_DO_EVENT_SIGNALS (pad)--;
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GST_DEBUG
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("removing %d data probes from pad %s:%s, now %d event, %d buffer probes",
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count, GST_DEBUG_PAD_NAME (pad), GST_PAD_DO_EVENT_SIGNALS (pad),
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("removed data probe from pad %s:%s, now %d event, %d buffer probes",
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GST_DEBUG_PAD_NAME (pad), GST_PAD_DO_EVENT_SIGNALS (pad),
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GST_PAD_DO_BUFFER_SIGNALS (pad));
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GST_UNLOCK (pad);
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}
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@ -2553,54 +2559,42 @@ gst_pad_remove_data_probe (GstPad * pad, GCallback handler, gpointer data)
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/**
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* gst_pad_remove_event_probe:
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* @pad: pad to remove the event probe handler from
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* @handler: function that was assigned to the signal
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* @data: data that was assigned to the signal handler
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* @handler_id: handler id returned from gst_pad_add_event_probe
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*
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* Unconnects a signal handler to the pad's have-data signal, and decreases
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* the do_event_signals number on the pads so that this signal is
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* actually no more fired if no signals are connected.
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* Removes an event probe from @pad.
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*/
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void
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gst_pad_remove_event_probe (GstPad * pad, GCallback handler, gpointer data)
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gst_pad_remove_event_probe (GstPad * pad, guint handler_id)
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{
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guint count;
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g_return_if_fail (GST_IS_PAD (pad));
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g_return_if_fail (handler != NULL);
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g_return_if_fail (handler_id > 0);
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GST_LOCK (pad);
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count = g_signal_handlers_disconnect_by_func (pad, handler, data);
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GST_PAD_DO_EVENT_SIGNALS (pad) -= count;
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GST_DEBUG ("removing %d event probes from pad %s:%s, now %d event probes",
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count, GST_DEBUG_PAD_NAME (pad), GST_PAD_DO_EVENT_SIGNALS (pad));
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g_signal_handler_disconnect (pad, handler_id);
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GST_PAD_DO_EVENT_SIGNALS (pad)--;
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GST_DEBUG ("removed event probe from pad %s:%s, now %d event probes",
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GST_DEBUG_PAD_NAME (pad), GST_PAD_DO_EVENT_SIGNALS (pad));
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GST_UNLOCK (pad);
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}
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/**
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* gst_pad_remove_buffer_probe:
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* @pad: pad to remove the buffer probe handler from
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* @handler: function that was assigned to the signal
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* @data: data that was assigned to the signal handler
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* @handler_id: handler id returned from gst_pad_add_buffer_probe
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*
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* Unconnects a signal handler to the pad's have-data signal, and decreases
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* the emit_buffer_signals number on the pads so that this signal is
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* actually no more fired if no signals are connected.
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* Removes a buffer probe from @pad.
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*/
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void
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gst_pad_remove_buffer_probe (GstPad * pad, GCallback handler, gpointer data)
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gst_pad_remove_buffer_probe (GstPad * pad, guint handler_id)
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{
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guint count;
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g_return_if_fail (GST_IS_PAD (pad));
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g_return_if_fail (handler != NULL);
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g_return_if_fail (handler_id > 0);
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GST_LOCK (pad);
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count = g_signal_handlers_disconnect_by_func (pad, handler, data);
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GST_PAD_DO_BUFFER_SIGNALS (pad) -= count;
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GST_DEBUG ("removing %d buffer probes from pad %s:%s, now %d buffer probes",
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count, GST_DEBUG_PAD_NAME (pad), GST_PAD_DO_BUFFER_SIGNALS (pad));
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g_signal_handler_disconnect (pad, handler_id);
|
||||
GST_PAD_DO_BUFFER_SIGNALS (pad)--;
|
||||
GST_DEBUG ("removed buffer probe from pad %s:%s, now %d buffer probes",
|
||||
GST_DEBUG_PAD_NAME (pad), GST_PAD_DO_BUFFER_SIGNALS (pad));
|
||||
GST_UNLOCK (pad);
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -366,21 +366,15 @@ void gst_atomic_int_set (gint * atomic_int, gint
|
|||
gulong gst_pad_add_data_probe (GstPad * pad,
|
||||
GCallback handler,
|
||||
gpointer data);
|
||||
void gst_pad_remove_data_probe (GstPad * pad,
|
||||
GCallback handler,
|
||||
gpointer data);
|
||||
void gst_pad_remove_data_probe (GstPad * pad, guint handler_id);
|
||||
gulong gst_pad_add_event_probe (GstPad * pad,
|
||||
GCallback handler,
|
||||
gpointer data);
|
||||
void gst_pad_remove_event_probe (GstPad * pad,
|
||||
GCallback handler,
|
||||
gpointer data);
|
||||
void gst_pad_remove_event_probe (GstPad * pad, guint handler_id);
|
||||
gulong gst_pad_add_buffer_probe (GstPad * pad,
|
||||
GCallback handler,
|
||||
gpointer data);
|
||||
void gst_pad_remove_buffer_probe (GstPad * pad,
|
||||
GCallback handler,
|
||||
gpointer data);
|
||||
void gst_pad_remove_buffer_probe (GstPad * pad, guint handler_id);
|
||||
|
||||
/* tag emission utility functions */
|
||||
void gst_element_found_tags_for_pad (GstElement * element,
|
||||
|
|
|
|||
|
|
@ -45,6 +45,7 @@ check_PROGRAMS = \
|
|||
gst/gstsystemclock \
|
||||
gst/gststructure \
|
||||
gst/gsttag \
|
||||
gst/gstutils \
|
||||
gst/gstvalue \
|
||||
elements/fakesrc \
|
||||
elements/identity \
|
||||
|
|
|
|||
96
tests/check/gst/gstutils.c
Normal file
96
tests/check/gst/gstutils.c
Normal file
|
|
@ -0,0 +1,96 @@
|
|||
/* GStreamer
|
||||
* Copyright (C) <2005> Thomas Vander Stichele <thomas at apestaart dot org>
|
||||
*
|
||||
* gstutils.c: Unit test for functions in gstutils
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#include <gst/check/gstcheck.h>
|
||||
|
||||
#define SPECIAL_POINTER (void*)19283847
|
||||
static int n_buffer_probes = 0;
|
||||
|
||||
static gboolean
|
||||
buffer_probe (GstPad * pad, GstBuffer * obj, gpointer data)
|
||||
{
|
||||
n_buffer_probes++;
|
||||
g_assert (data == SPECIAL_POINTER);
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
GST_START_TEST (test_buffer_probe_n_times)
|
||||
{
|
||||
GstElement *pipeline, *fakesrc, *fakesink;
|
||||
GstBus *bus;
|
||||
GstMessage *message;
|
||||
GstPad *pad;
|
||||
guint id;
|
||||
|
||||
pipeline = gst_element_factory_make ("pipeline", NULL);
|
||||
fakesrc = gst_element_factory_make ("fakesrc", NULL);
|
||||
fakesink = gst_element_factory_make ("fakesink", NULL);
|
||||
|
||||
g_object_set (fakesrc, "num-buffers", (int) 10, NULL);
|
||||
|
||||
gst_bin_add_many (GST_BIN (pipeline), fakesrc, fakesink, NULL);
|
||||
gst_element_link (fakesrc, fakesink);
|
||||
|
||||
pad = gst_element_get_pad (fakesink, "sink");
|
||||
id = gst_pad_add_buffer_probe (pad, G_CALLBACK (buffer_probe),
|
||||
SPECIAL_POINTER);
|
||||
gst_object_unref (pad);
|
||||
|
||||
gst_element_set_state (pipeline, GST_STATE_PLAYING);
|
||||
|
||||
bus = gst_element_get_bus (pipeline);
|
||||
message = gst_bus_poll (bus, GST_MESSAGE_EOS, -1);
|
||||
gst_message_unref (message);
|
||||
gst_object_unref (bus);
|
||||
|
||||
gst_element_set_state (pipeline, GST_STATE_NULL);
|
||||
gst_object_unref (pipeline);
|
||||
|
||||
g_assert (n_buffer_probes == 10);
|
||||
} GST_END_TEST;
|
||||
|
||||
Suite *
|
||||
gst_utils_suite (void)
|
||||
{
|
||||
Suite *s = suite_create ("GstUtils");
|
||||
TCase *tc_chain = tcase_create ("general");
|
||||
|
||||
suite_add_tcase (s, tc_chain);
|
||||
tcase_add_test (tc_chain, test_buffer_probe_n_times);
|
||||
return s;
|
||||
}
|
||||
|
||||
int
|
||||
main (int argc, char **argv)
|
||||
{
|
||||
int nf;
|
||||
|
||||
Suite *s = gst_utils_suite ();
|
||||
SRunner *sr = srunner_create (s);
|
||||
|
||||
gst_check_init (&argc, &argv);
|
||||
|
||||
srunner_run_all (sr, CK_NORMAL);
|
||||
nf = srunner_ntests_failed (sr);
|
||||
srunner_free (sr);
|
||||
|
||||
return nf;
|
||||
}
|
||||
Loading…
Reference in a new issue