mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-20 23:36:38 +00:00
67f546968c
The channel property allows multiple intersrc/sink pairs to find each other. It's a free-form text string that must match among various inter elements. Also fixed up documentation and latency handling.
505 lines
14 KiB
C
505 lines
14 KiB
C
/* GstInterTest
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* Copyright (C) 2011 David Schleef <ds@schleef.org>
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* Copyright (C) 2010 Entropy Wave Inc
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gst/gst.h>
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#include <gst/glib-compat-private.h>
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#include <stdlib.h>
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//#define GETTEXT_PACKAGE "intertest"
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typedef struct _GstInterTest GstInterTest;
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struct _GstInterTest
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{
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GstElement *pipeline;
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GstBus *bus;
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GMainLoop *main_loop;
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GstElement *source_element;
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GstElement *sink_element;
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gboolean paused_for_buffering;
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guint timer_id;
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};
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GstInterTest *gst_inter_test_new (void);
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void gst_inter_test_free (GstInterTest * intertest);
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void gst_inter_test_create_pipeline_server (GstInterTest * intertest);
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void gst_inter_test_create_pipeline_vts (GstInterTest * intertest);
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void gst_inter_test_create_pipeline_playbin (GstInterTest * intertest,
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const char *uri);
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void gst_inter_test_start (GstInterTest * intertest);
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void gst_inter_test_stop (GstInterTest * intertest);
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static gboolean gst_inter_test_handle_message (GstBus * bus,
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GstMessage * message, gpointer data);
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static gboolean onesecond_timer (gpointer priv);
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gboolean verbose;
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static GOptionEntry entries[] = {
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{"verbose", 'v', 0, G_OPTION_ARG_NONE, &verbose, "Be verbose", NULL},
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{NULL}
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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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GError *error = NULL;
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GOptionContext *context;
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GstInterTest *intertest1;
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GstInterTest *intertest2;
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GMainLoop *main_loop;
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#if !GLIB_CHECK_VERSION (2, 31, 0)
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if (!g_thread_supported ())
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g_thread_init (NULL);
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#endif
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context = g_option_context_new ("- Internal src/sink test");
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g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE);
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g_option_context_add_group (context, gst_init_get_option_group ());
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if (!g_option_context_parse (context, &argc, &argv, &error)) {
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g_print ("option parsing failed: %s\n", error->message);
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exit (1);
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}
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g_option_context_free (context);
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intertest1 = gst_inter_test_new ();
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gst_inter_test_create_pipeline_server (intertest1);
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gst_inter_test_start (intertest1);
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intertest2 = gst_inter_test_new ();
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gst_inter_test_create_pipeline_playbin (intertest2, NULL);
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gst_inter_test_start (intertest2);
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main_loop = g_main_loop_new (NULL, TRUE);
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intertest1->main_loop = main_loop;
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intertest2->main_loop = main_loop;
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g_main_loop_run (main_loop);
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exit (0);
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}
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GstInterTest *
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gst_inter_test_new (void)
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{
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GstInterTest *intertest;
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intertest = g_new0 (GstInterTest, 1);
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return intertest;
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}
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void
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gst_inter_test_free (GstInterTest * intertest)
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{
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if (intertest->source_element) {
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gst_object_unref (intertest->source_element);
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intertest->source_element = NULL;
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}
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if (intertest->sink_element) {
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gst_object_unref (intertest->sink_element);
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intertest->sink_element = NULL;
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}
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if (intertest->pipeline) {
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gst_element_set_state (intertest->pipeline, GST_STATE_NULL);
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gst_object_unref (intertest->pipeline);
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intertest->pipeline = NULL;
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}
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g_free (intertest);
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}
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void
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gst_inter_test_create_pipeline_playbin (GstInterTest * intertest,
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const char *uri)
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{
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GstElement *pipeline;
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GError *error = NULL;
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if (uri == NULL) {
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gst_inter_test_create_pipeline_vts (intertest);
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return;
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}
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pipeline = gst_pipeline_new (NULL);
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gst_bin_add (GST_BIN (pipeline),
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gst_element_factory_make ("playbin2", "source"));
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if (error) {
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g_print ("pipeline parsing error: %s\n", error->message);
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gst_object_unref (pipeline);
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return;
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}
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intertest->pipeline = pipeline;
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gst_pipeline_set_auto_flush_bus (GST_PIPELINE (pipeline), FALSE);
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intertest->bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
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gst_bus_add_watch (intertest->bus, gst_inter_test_handle_message, intertest);
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intertest->source_element =
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gst_bin_get_by_name (GST_BIN (pipeline), "source");
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g_print ("source_element is %p\n", intertest->source_element);
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g_print ("setting uri to %s\n", uri);
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g_object_set (intertest->source_element, "uri", uri, NULL);
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}
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void
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gst_inter_test_create_pipeline_vts (GstInterTest * intertest)
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{
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GString *pipe_desc;
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GstElement *pipeline;
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GError *error = NULL;
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pipe_desc = g_string_new ("");
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g_string_append (pipe_desc, "videotestsrc name=source num-buffers=100 ! ");
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g_string_append (pipe_desc,
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"video/x-raw-yuv,format=(fourcc)I420,width=320,height=240 ! ");
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g_string_append (pipe_desc, "timeoverlay ! ");
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g_string_append (pipe_desc, "intervideosink name=sink sync=true ");
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g_string_append (pipe_desc,
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"audiotestsrc samplesperbuffer=1600 num-buffers=100 ! audioconvert ! ");
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g_string_append (pipe_desc, "interaudiosink sync=true ");
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if (verbose)
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g_print ("pipeline: %s\n", pipe_desc->str);
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pipeline = (GstElement *) gst_parse_launch (pipe_desc->str, &error);
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g_string_free (pipe_desc, FALSE);
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if (error) {
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g_print ("pipeline parsing error: %s\n", error->message);
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gst_object_unref (pipeline);
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return;
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}
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intertest->pipeline = pipeline;
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gst_pipeline_set_auto_flush_bus (GST_PIPELINE (pipeline), FALSE);
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intertest->bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
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gst_bus_add_watch (intertest->bus, gst_inter_test_handle_message, intertest);
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intertest->source_element =
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gst_bin_get_by_name (GST_BIN (pipeline), "source");
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intertest->sink_element = gst_bin_get_by_name (GST_BIN (pipeline), "sink");
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}
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void
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gst_inter_test_create_pipeline_server (GstInterTest * intertest)
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{
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GString *pipe_desc;
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GstElement *pipeline;
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GError *error = NULL;
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pipe_desc = g_string_new ("");
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g_string_append (pipe_desc, "intervideosrc ! queue ! ");
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g_string_append (pipe_desc, "xvimagesink name=sink ");
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g_string_append (pipe_desc, "interaudiosrc ! queue ! ");
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g_string_append (pipe_desc, "alsasink ");
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if (verbose)
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g_print ("pipeline: %s\n", pipe_desc->str);
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pipeline = (GstElement *) gst_parse_launch (pipe_desc->str, &error);
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g_string_free (pipe_desc, FALSE);
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if (error) {
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g_print ("pipeline parsing error: %s\n", error->message);
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gst_object_unref (pipeline);
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return;
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}
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intertest->pipeline = pipeline;
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gst_pipeline_set_auto_flush_bus (GST_PIPELINE (pipeline), FALSE);
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intertest->bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
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gst_bus_add_watch (intertest->bus, gst_inter_test_handle_message, intertest);
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intertest->source_element =
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gst_bin_get_by_name (GST_BIN (pipeline), "source");
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intertest->sink_element = gst_bin_get_by_name (GST_BIN (pipeline), "sink");
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}
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void
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gst_inter_test_start (GstInterTest * intertest)
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{
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gst_element_set_state (intertest->pipeline, GST_STATE_READY);
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intertest->timer_id = g_timeout_add (1000, onesecond_timer, intertest);
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}
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void
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gst_inter_test_stop (GstInterTest * intertest)
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{
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gst_element_set_state (intertest->pipeline, GST_STATE_NULL);
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g_source_remove (intertest->timer_id);
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}
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static void
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gst_inter_test_handle_eos (GstInterTest * intertest)
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{
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gst_inter_test_stop (intertest);
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}
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static void
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gst_inter_test_handle_error (GstInterTest * intertest, GError * error,
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const char *debug)
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{
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g_print ("error: %s\n", error->message);
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gst_inter_test_stop (intertest);
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}
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static void
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gst_inter_test_handle_warning (GstInterTest * intertest, GError * error,
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const char *debug)
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{
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g_print ("warning: %s\n", error->message);
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}
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static void
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gst_inter_test_handle_info (GstInterTest * intertest, GError * error,
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const char *debug)
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{
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g_print ("info: %s\n", error->message);
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}
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static void
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gst_inter_test_handle_null_to_ready (GstInterTest * intertest)
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{
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gst_element_set_state (intertest->pipeline, GST_STATE_PAUSED);
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}
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static void
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gst_inter_test_handle_ready_to_paused (GstInterTest * intertest)
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{
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if (!intertest->paused_for_buffering) {
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gst_element_set_state (intertest->pipeline, GST_STATE_PLAYING);
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}
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}
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static void
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gst_inter_test_handle_paused_to_playing (GstInterTest * intertest)
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{
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}
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static void
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gst_inter_test_handle_playing_to_paused (GstInterTest * intertest)
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{
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}
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static void
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gst_inter_test_handle_paused_to_ready (GstInterTest * intertest)
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{
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}
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static void
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gst_inter_test_handle_ready_to_null (GstInterTest * intertest)
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{
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//g_main_loop_quit (intertest->main_loop);
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}
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static gboolean
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gst_inter_test_handle_message (GstBus * bus, GstMessage * message,
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gpointer data)
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{
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GstInterTest *intertest = (GstInterTest *) data;
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switch (GST_MESSAGE_TYPE (message)) {
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case GST_MESSAGE_EOS:
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gst_inter_test_handle_eos (intertest);
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break;
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case GST_MESSAGE_ERROR:
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{
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GError *error = NULL;
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gchar *debug;
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gst_message_parse_error (message, &error, &debug);
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gst_inter_test_handle_error (intertest, error, debug);
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}
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break;
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case GST_MESSAGE_WARNING:
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{
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GError *error = NULL;
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gchar *debug;
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gst_message_parse_warning (message, &error, &debug);
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gst_inter_test_handle_warning (intertest, error, debug);
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}
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break;
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case GST_MESSAGE_INFO:
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{
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GError *error = NULL;
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gchar *debug;
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gst_message_parse_info (message, &error, &debug);
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gst_inter_test_handle_info (intertest, error, debug);
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}
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break;
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case GST_MESSAGE_TAG:
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{
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GstTagList *tag_list;
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gst_message_parse_tag (message, &tag_list);
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if (verbose)
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g_print ("tag\n");
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}
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break;
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case GST_MESSAGE_STATE_CHANGED:
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{
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GstState oldstate, newstate, pending;
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gst_message_parse_state_changed (message, &oldstate, &newstate, &pending);
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if (GST_ELEMENT (message->src) == intertest->pipeline) {
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if (verbose)
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g_print ("state change from %s to %s\n",
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gst_element_state_get_name (oldstate),
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gst_element_state_get_name (newstate));
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switch (GST_STATE_TRANSITION (oldstate, newstate)) {
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case GST_STATE_CHANGE_NULL_TO_READY:
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gst_inter_test_handle_null_to_ready (intertest);
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break;
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case GST_STATE_CHANGE_READY_TO_PAUSED:
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gst_inter_test_handle_ready_to_paused (intertest);
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break;
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case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
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gst_inter_test_handle_paused_to_playing (intertest);
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break;
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case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
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gst_inter_test_handle_playing_to_paused (intertest);
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break;
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case GST_STATE_CHANGE_PAUSED_TO_READY:
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gst_inter_test_handle_paused_to_ready (intertest);
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break;
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case GST_STATE_CHANGE_READY_TO_NULL:
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gst_inter_test_handle_ready_to_null (intertest);
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break;
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default:
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if (verbose)
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g_print ("unknown state change from %s to %s\n",
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gst_element_state_get_name (oldstate),
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gst_element_state_get_name (newstate));
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}
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}
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}
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break;
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case GST_MESSAGE_BUFFERING:
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{
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int percent;
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gst_message_parse_buffering (message, &percent);
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//g_print("buffering %d\n", percent);
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if (!intertest->paused_for_buffering && percent < 100) {
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g_print ("pausing for buffing\n");
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intertest->paused_for_buffering = TRUE;
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gst_element_set_state (intertest->pipeline, GST_STATE_PAUSED);
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} else if (intertest->paused_for_buffering && percent == 100) {
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g_print ("unpausing for buffing\n");
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intertest->paused_for_buffering = FALSE;
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gst_element_set_state (intertest->pipeline, GST_STATE_PLAYING);
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}
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}
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break;
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case GST_MESSAGE_STATE_DIRTY:
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case GST_MESSAGE_CLOCK_PROVIDE:
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case GST_MESSAGE_CLOCK_LOST:
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case GST_MESSAGE_NEW_CLOCK:
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case GST_MESSAGE_STRUCTURE_CHANGE:
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case GST_MESSAGE_STREAM_STATUS:
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break;
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case GST_MESSAGE_STEP_DONE:
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case GST_MESSAGE_APPLICATION:
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case GST_MESSAGE_ELEMENT:
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case GST_MESSAGE_SEGMENT_START:
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case GST_MESSAGE_SEGMENT_DONE:
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case GST_MESSAGE_DURATION:
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case GST_MESSAGE_LATENCY:
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case GST_MESSAGE_ASYNC_START:
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case GST_MESSAGE_ASYNC_DONE:
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case GST_MESSAGE_REQUEST_STATE:
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case GST_MESSAGE_STEP_START:
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default:
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if (verbose) {
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g_print ("message: %s\n", GST_MESSAGE_TYPE_NAME (message));
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}
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break;
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case GST_MESSAGE_QOS:
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break;
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}
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return TRUE;
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}
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static gboolean
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onesecond_timer (gpointer priv)
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{
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//GstInterTest *intertest = (GstInterTest *)priv;
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g_print (".\n");
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return TRUE;
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}
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/* helper functions */
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#if 0
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gboolean
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have_element (const gchar * element_name)
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{
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GstPluginFeature *feature;
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feature = gst_default_registry_find_feature (element_name,
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GST_TYPE_ELEMENT_FACTORY);
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if (feature) {
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g_object_unref (feature);
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return TRUE;
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}
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return FALSE;
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}
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#endif
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