gstreamer/gst/gst.c
Wim Taymans 520fbbee75 Moved queue and typefind elements to the core since they are referenced by name.
Original commit message from CVS:
Moved queue and typefind elements to the core since they are referenced
by name.
2001-01-19 00:01:42 +00:00

193 lines
4.6 KiB
C

/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wtay@chello.be>
*
* gst.c: Initialization and non-pipeline operations
*
* 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 <stdlib.h>
#include "gst_private.h"
#include "gstcpu.h"
#include "gsttype.h"
#include "gstplugin.h"
#include "gstbuffer.h"
#include "gstbin.h"
#include "gstpipeline.h"
#include "gstthread.h"
#include "gstqueue.h"
#include "gsttypefind.h"
gchar *_gst_progname;
extern gint _gst_trace_on;
static gboolean gst_init_check (int *argc, gchar ***argv);
/**
* gst_init:
* @argc: pointer to application's argc
* @argv: pointer to application's argv
*
* Initializes the GStreamer library, setting up internal path lists,
* registering built-in elements, and loading standard plugins.
*/
void
gst_init (int *argc, char **argv[])
{
GstTrace *gst_trace;
GST_INFO (GST_CAT_GST_INIT, "Initializing GStreamer Core Library");
if (!g_thread_supported ()) g_thread_init (NULL);
_gst_progname = g_strdup(*argv[0]);
gtk_init (argc,argv);
if (!gst_init_check (argc,argv)) {
exit (0);
}
_gst_cpu_initialize ();
_gst_type_initialize ();
_gst_plugin_initialize ();
_gst_buffer_initialize ();
/* register some standard builtin types */
gst_elementfactory_new ("bin", gst_bin_get_type (), &gst_bin_details);
gst_elementfactory_new ("pipeline", gst_pipeline_get_type (), &gst_pipeline_details);
gst_elementfactory_new ("thread", gst_thread_get_type (), &gst_thread_details);
gst_elementfactory_new ("queue", gst_queue_get_type (), &gst_queue_details);
gst_elementfactory_new ("typefind", gst_typefind_get_type (), &gst_typefind_details);
_gst_trace_on = 0;
if (_gst_trace_on) {
gst_trace = gst_trace_new ("gst.trace",1024);
gst_trace_set_default (gst_trace);
}
}
/* returns FALSE if the program can be aborted */
static gboolean
gst_init_check (int *argc,
gchar ***argv)
{
gboolean ret = TRUE;
gboolean showhelp = FALSE;
if (argc && argv) {
gint i, j, k;
for (i=1; i< *argc; i++) {
if (!strncmp ("--gst-info-mask=", (*argv)[i], 16)) {
guint32 val;
// handle either 0xHEX or dec
if (*((*argv)[i]+17) == 'x') {
sscanf ((*argv)[i]+18, "%08x", &val);
} else {
sscanf ((*argv)[i]+16, "%d", &val);
}
gst_info_set_categories (val);
(*argv)[i] = NULL;
}
else if (!strncmp ("--gst-debug-mask=", (*argv)[i], 17)) {
guint32 val;
// handle either 0xHEX or dec
if (*((*argv)[i]+18) == 'x') {
sscanf ((*argv)[i]+19, "%08x", &val);
} else {
sscanf ((*argv)[i]+17, "%d", &val);
}
gst_debug_set_categories (val);
(*argv)[i] = NULL;
}
else if (!strncmp ("--help", (*argv)[i], 6)) {
showhelp = TRUE;
}
}
for (i = 1; i < *argc; i++) {
for (k = i; k < *argc; k++)
if ((*argv)[k] != NULL)
break;
if (k > i) {
k -= i;
for (j = i + k; j < *argc; j++)
(*argv)[j-k] = (*argv)[j];
*argc -= k;
}
}
}
if (showhelp) {
guint i;
g_print ("usage %s [OPTION...]\n", (*argv)[0]);
g_print ("\nGStreamer options\n");
g_print (" --gst-info-mask=FLAGS Gst info flags to set (current %08x)\n", gst_info_get_categories());
g_print (" --gst-debug-mask=FLAGS Gst debugging flags to set\n");
g_print ("\nGStreamer info/debug FLAGS (to be OR'ed)\n");
for (i = 0; i<GST_CAT_MAX_CATEGORY; i++) {
g_print (" 0x%08x %s %s\n", 1<<i,
(gst_info_get_categories() & (1<<i)?"(enabled)":" "),
gst_get_category_name (i));
}
ret = FALSE;
}
return ret;
}
/**
* gst_main:
*
* Enter the main GStreamer processing loop
*/
void
gst_main (void)
{
gtk_main ();
}
/**
* gst_main_quit:
*
* Exits the main GStreamer processing loop
*/
void
gst_main_quit (void)
{
gtk_main_quit ();
}