gstreamer/tools/gst-launch.c

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/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wtay@chello.be>
* 2004 Thomas Vander Stichele <thomas@apestaart.org>
*
* gst-launch.c: tool to launch GStreamer pipelines from the command line
*
* 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.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
/* FIXME: hack alert */
2009-12-02 06:37:51 +00:00
#ifdef HAVE_WIN32
#define DISABLE_FAULT_HANDLER
#endif
2009-10-07 07:00:05 +00:00
#include <stdio.h>
#include <string.h>
#include <signal.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifndef DISABLE_FAULT_HANDLER
#include <sys/wait.h>
#endif
#include <locale.h> /* for LC_ALL */
#include "tools.h"
/* FIXME: This is just a temporary hack. We should have a better
* check for siginfo handling. */
#ifdef SA_SIGINFO
#define USE_SIGINFO
#endif
extern volatile gboolean glib_on_error_halt;
#ifndef DISABLE_FAULT_HANDLER
static void fault_restore (void);
static void fault_spin (void);
static void sigint_restore (void);
static gboolean caught_intr = FALSE;
#endif
/* event_loop return codes */
typedef enum _EventLoopResult
{
ELR_NO_ERROR = 0,
ELR_ERROR,
ELR_INTERRUPT
} EventLoopResult;
static GstElement *pipeline;
static EventLoopResult caught_error = ELR_NO_ERROR;
static gboolean quiet = FALSE;
static gboolean tags = FALSE;
static gboolean toc = FALSE;
static gboolean messages = FALSE;
static gboolean is_live = FALSE;
static gboolean waiting_eos = FALSE;
/* convenience macro so we don't have to litter the code with if(!quiet) */
#define PRINT if(!quiet)g_print
#if !defined(GST_DISABLE_LOADSAVE) && !defined(GST_REMOVE_DEPRECATED)
static GstElement *
xmllaunch_parse_cmdline (const gchar ** argv)
{
GstElement *pipeline = NULL, *e;
GstXML *xml;
gboolean err;
const gchar *arg;
gchar *element, *property, *value;
GList *l;
gint i = 0;
if (!(arg = argv[0])) {
g_printerr ("%s",
_("Usage: gst-xmllaunch <file.xml> [ element.property=value ... ]\n"));
exit (1);
}
xml = gst_xml_new ();
GCC 4 fixen. Original commit message from CVS: 2005-05-04 Andy Wingo <wingo@pobox.com> * check/Makefile.am: * docs/gst/tmpl/gstatomic.sgml: * docs/gst/tmpl/gstplugin.sgml: * gst/base/gstbasesink.c: (gst_basesink_activate): * gst/base/gstbasesrc.c: (gst_basesrc_class_init), (gst_basesrc_init), (gst_basesrc_set_dataflow_funcs), (gst_basesrc_query), (gst_basesrc_set_property), (gst_basesrc_get_property), (gst_basesrc_check_get_range), (gst_basesrc_activate): * gst/base/gstbasesrc.h: * gst/base/gstbasetransform.c: (gst_base_transform_sink_activate), (gst_base_transform_src_activate): * gst/elements/gstelements.c: * gst/elements/gstfakesrc.c: (gst_fakesrc_class_init), (gst_fakesrc_set_property), (gst_fakesrc_get_property): * gst/elements/gsttee.c: (gst_tee_sink_activate): * gst/elements/gsttypefindelement.c: (find_element_get_length), (gst_type_find_element_checkgetrange), (gst_type_find_element_activate): * gst/gstbin.c: (gst_bin_save_thyself), (gst_bin_restore_thyself): * gst/gstcaps.c: (gst_caps_do_simplify), (gst_caps_save_thyself), (gst_caps_load_thyself): * gst/gstelement.c: (gst_element_pads_activate), (gst_element_save_thyself), (gst_element_restore_thyself): * gst/gstpad.c: (gst_pad_load_and_link), (gst_pad_save_thyself), (gst_ghost_pad_save_thyself), (gst_pad_check_pull_range): * gst/gstpad.h: * gst/gstxml.c: (gst_xml_write), (gst_xml_parse_doc), (gst_xml_parse_file), (gst_xml_parse_memory), (gst_xml_get_element), (gst_xml_make_element): * gst/indexers/gstfileindex.c: (gst_file_index_load), (_file_index_id_save_xml), (gst_file_index_commit): * gst/registries/gstlibxmlregistry.c: (read_string), (read_uint), (read_enum), (load_pad_template), (load_feature), (load_plugin), (load_paths): * libs/gst/dataprotocol/dataprotocol.c: (gst_dp_packet_from_caps), (gst_dp_packet_from_event), (gst_dp_caps_from_packet): * tools/gst-complete.c: (main): * tools/gst-compprep.c: (main): * tools/gst-inspect.c: (print_element_properties_info): * tools/gst-launch.c: (xmllaunch_parse_cmdline): * tools/gst-xmlinspect.c: (print_element_properties): GCC 4 fixen.
2005-05-04 21:29:44 +00:00
/* FIXME guchar from gstxml.c */
err = gst_xml_parse_file (xml, (guchar *) arg, NULL);
if (err != TRUE) {
g_printerr (_("ERROR: parse of xml file '%s' failed.\n"), arg);
exit (1);
}
l = gst_xml_get_topelements (xml);
if (!l) {
g_printerr (_("ERROR: no toplevel pipeline element in file '%s'.\n"), arg);
exit (1);
}
if (l->next) {
g_printerr ("%s",
_("WARNING: only one toplevel element is supported at this time.\n"));
}
pipeline = GST_ELEMENT (l->data);
while ((arg = argv[++i])) {
element = g_strdup (arg);
property = strchr (element, '.');
value = strchr (element, '=');
if (!(element < property && property < value)) {
g_printerr (_("ERROR: could not parse command line argument %d: %s.\n"),
i, element);
g_free (element);
exit (1);
}
*property++ = '\0';
*value++ = '\0';
e = gst_bin_get_by_name (GST_BIN (pipeline), element);
if (!e) {
g_printerr (_("WARNING: element named '%s' not found.\n"), element);
} else {
gst_util_set_object_arg (G_OBJECT (e), property, value);
}
g_free (element);
}
if (!l)
return NULL;
gst_object_ref (pipeline);
gst_object_unref (xml);
return pipeline;
}
#endif
#ifndef DISABLE_FAULT_HANDLER
#ifndef USE_SIGINFO
static void
fault_handler_sighandler (int signum)
{
fault_restore ();
/* printf is used instead of g_print(), since it's less likely to
* deadlock */
switch (signum) {
case SIGSEGV:
fprintf (stderr, "Caught SIGSEGV\n");
break;
case SIGQUIT:
if (!quiet)
printf ("Caught SIGQUIT\n");
break;
default:
fprintf (stderr, "signo: %d\n", signum);
break;
}
fault_spin ();
}
#else /* USE_SIGINFO */
static void
fault_handler_sigaction (int signum, siginfo_t * si, void *misc)
{
fault_restore ();
/* printf is used instead of g_print(), since it's less likely to
* deadlock */
switch (si->si_signo) {
case SIGSEGV:
fprintf (stderr, "Caught SIGSEGV accessing address %p\n", si->si_addr);
break;
case SIGQUIT:
if (!quiet)
printf ("Caught SIGQUIT\n");
break;
default:
fprintf (stderr, "signo: %d\n", si->si_signo);
fprintf (stderr, "errno: %d\n", si->si_errno);
fprintf (stderr, "code: %d\n", si->si_code);
break;
}
fault_spin ();
}
#endif /* USE_SIGINFO */
static void
fault_spin (void)
{
int spinning = TRUE;
glib_on_error_halt = FALSE;
g_on_error_stack_trace ("gst-launch");
wait (NULL);
/* FIXME how do we know if we were run by libtool? */
fprintf (stderr,
"Spinning. Please run 'gdb gst-launch %d' to continue debugging, "
"Ctrl-C to quit, or Ctrl-\\ to dump core.\n", (gint) getpid ());
while (spinning)
g_usleep (1000000);
}
static void
fault_restore (void)
{
struct sigaction action;
memset (&action, 0, sizeof (action));
action.sa_handler = SIG_DFL;
sigaction (SIGSEGV, &action, NULL);
sigaction (SIGQUIT, &action, NULL);
}
static void
fault_setup (void)
{
struct sigaction action;
memset (&action, 0, sizeof (action));
#ifdef USE_SIGINFO
action.sa_sigaction = fault_handler_sigaction;
action.sa_flags = SA_SIGINFO;
#else
action.sa_handler = fault_handler_sighandler;
#endif
sigaction (SIGSEGV, &action, NULL);
sigaction (SIGQUIT, &action, NULL);
}
#endif /* DISABLE_FAULT_HANDLER */
typedef struct _GstIndexStats
{
gint id;
gchar *desc;
guint num_frames;
guint num_keyframes;
guint num_dltframes;
GstClockTime last_keyframe;
GstClockTime last_dltframe;
GstClockTime min_keyframe_gap;
GstClockTime max_keyframe_gap;
GstClockTime avg_keyframe_gap;
} GstIndexStats;
static void
entry_added (GstIndex * index, GstIndexEntry * entry, gpointer user_data)
{
GPtrArray *index_stats = (GPtrArray *) user_data;
GstIndexStats *s;
switch (entry->type) {
case GST_INDEX_ENTRY_ID:
/* we have a new writer */
GST_DEBUG_OBJECT (index, "id %d: describes writer %s", entry->id,
GST_INDEX_ID_DESCRIPTION (entry));
if (entry->id >= index_stats->len) {
g_ptr_array_set_size (index_stats, entry->id + 1);
}
s = g_new (GstIndexStats, 1);
s->id = entry->id;
s->desc = g_strdup (GST_INDEX_ID_DESCRIPTION (entry));
s->num_frames = s->num_keyframes = s->num_dltframes = 0;
s->last_keyframe = s->last_dltframe = GST_CLOCK_TIME_NONE;
s->min_keyframe_gap = s->max_keyframe_gap = s->avg_keyframe_gap =
GST_CLOCK_TIME_NONE;
g_ptr_array_index (index_stats, entry->id) = s;
break;
case GST_INDEX_ENTRY_FORMAT:
/* have not found any code calling this */
GST_DEBUG_OBJECT (index, "id %d: registered format %d for %s\n",
entry->id, GST_INDEX_FORMAT_FORMAT (entry),
GST_INDEX_FORMAT_KEY (entry));
break;
case GST_INDEX_ENTRY_ASSOCIATION:
{
gint64 ts;
GstAssocFlags flags = GST_INDEX_ASSOC_FLAGS (entry);
s = g_ptr_array_index (index_stats, entry->id);
gst_index_entry_assoc_map (entry, GST_FORMAT_TIME, &ts);
if (flags & GST_ASSOCIATION_FLAG_KEY_UNIT) {
s->num_keyframes++;
if (GST_CLOCK_TIME_IS_VALID (ts)) {
if (GST_CLOCK_TIME_IS_VALID (s->last_keyframe)) {
GstClockTimeDiff d = GST_CLOCK_DIFF (s->last_keyframe, ts);
if (G_UNLIKELY (d < 0)) {
GST_WARNING ("received out-of-order keyframe at %"
GST_TIME_FORMAT, GST_TIME_ARGS (ts));
/* FIXME: does it still make sense to use that for the statistics */
d = GST_CLOCK_DIFF (ts, s->last_keyframe);
}
if (GST_CLOCK_TIME_IS_VALID (s->min_keyframe_gap)) {
if (d < s->min_keyframe_gap)
s->min_keyframe_gap = d;
} else {
s->min_keyframe_gap = d;
}
if (GST_CLOCK_TIME_IS_VALID (s->max_keyframe_gap)) {
if (d > s->max_keyframe_gap)
s->max_keyframe_gap = d;
} else {
s->max_keyframe_gap = d;
}
if (GST_CLOCK_TIME_IS_VALID (s->avg_keyframe_gap)) {
s->avg_keyframe_gap = (d + s->num_frames * s->avg_keyframe_gap) /
(s->num_frames + 1);
} else {
s->avg_keyframe_gap = d;
}
}
s->last_keyframe = ts;
}
}
if (flags & GST_ASSOCIATION_FLAG_DELTA_UNIT) {
s->num_dltframes++;
if (GST_CLOCK_TIME_IS_VALID (ts)) {
s->last_dltframe = ts;
}
}
s->num_frames++;
break;
}
default:
break;
}
}
/* print statistics from the entry_added callback, free the entries */
static void
print_index_stats (GPtrArray * index_stats)
{
gint i;
if (index_stats->len) {
g_print ("%s:\n", _("Index statistics"));
}
for (i = 0; i < index_stats->len; i++) {
GstIndexStats *s = g_ptr_array_index (index_stats, i);
if (s) {
g_print ("id %d, %s\n", s->id, s->desc);
if (s->num_frames) {
GstClockTime last_frame = s->last_keyframe;
if (GST_CLOCK_TIME_IS_VALID (s->last_dltframe)) {
if (!GST_CLOCK_TIME_IS_VALID (last_frame) ||
(s->last_dltframe > last_frame))
last_frame = s->last_dltframe;
}
if (GST_CLOCK_TIME_IS_VALID (last_frame)) {
g_print (" total time = %" GST_TIME_FORMAT "\n",
GST_TIME_ARGS (last_frame));
}
g_print (" frame/keyframe rate = %u / %u = ", s->num_frames,
s->num_keyframes);
if (s->num_keyframes)
g_print ("%lf\n", s->num_frames / (gdouble) s->num_keyframes);
else
g_print ("-\n");
if (s->num_keyframes) {
g_print (" min/avg/max keyframe gap = %" GST_TIME_FORMAT ", %"
GST_TIME_FORMAT ", %" GST_TIME_FORMAT "\n",
GST_TIME_ARGS (s->min_keyframe_gap),
GST_TIME_ARGS (s->avg_keyframe_gap),
GST_TIME_ARGS (s->max_keyframe_gap));
}
} else {
g_print (" no stats\n");
}
g_free (s->desc);
g_free (s);
}
}
}
/* Kids, use the functions from libgstpbutils in gst-plugins-base in your
* own code (we can't do that here because it would introduce a circular
* dependency) */
static gboolean
gst_is_missing_plugin_message (GstMessage * msg)
{
if (GST_MESSAGE_TYPE (msg) != GST_MESSAGE_ELEMENT || msg->structure == NULL)
return FALSE;
return gst_structure_has_name (msg->structure, "missing-plugin");
}
static const gchar *
gst_missing_plugin_message_get_description (GstMessage * msg)
{
return gst_structure_get_string (msg->structure, "name");
}
static void
print_error_message (GstMessage * msg)
{
GError *err = NULL;
gchar *name, *debug = NULL;
name = gst_object_get_path_string (msg->src);
gst_message_parse_error (msg, &err, &debug);
g_printerr (_("ERROR: from element %s: %s\n"), name, err->message);
if (debug != NULL)
g_printerr (_("Additional debug info:\n%s\n"), debug);
g_error_free (err);
g_free (debug);
g_free (name);
}
static void
print_tag (const GstTagList * list, const gchar * tag, gpointer unused)
{
gint i, count;
count = gst_tag_list_get_tag_size (list, tag);
for (i = 0; i < count; i++) {
gchar *str;
if (gst_tag_get_type (tag) == G_TYPE_STRING) {
if (!gst_tag_list_get_string_index (list, tag, i, &str))
g_assert_not_reached ();
} else if (gst_tag_get_type (tag) == GST_TYPE_BUFFER) {
GstBuffer *img;
img = gst_value_get_buffer (gst_tag_list_get_value_index (list, tag, i));
if (img) {
gchar *caps_str;
caps_str = GST_BUFFER_CAPS (img) ?
gst_caps_to_string (GST_BUFFER_CAPS (img)) : g_strdup ("unknown");
str = g_strdup_printf ("buffer of %u bytes, type: %s",
GST_BUFFER_SIZE (img), caps_str);
g_free (caps_str);
} else {
str = g_strdup ("NULL buffer");
}
2011-02-13 22:56:15 +00:00
} else if (gst_tag_get_type (tag) == GST_TYPE_DATE_TIME) {
GstDateTime *dt = NULL;
gst_tag_list_get_date_time_index (list, tag, i, &dt);
if (gst_date_time_get_hour (dt) < 0) {
str = g_strdup_printf ("%02u-%02u-%04u", gst_date_time_get_day (dt),
gst_date_time_get_month (dt), gst_date_time_get_year (dt));
} else {
gdouble tz_offset = gst_date_time_get_time_zone_offset (dt);
gchar tz_str[32];
if (tz_offset != 0.0) {
g_snprintf (tz_str, sizeof (tz_str), "(UTC %s%gh)",
(tz_offset > 0.0) ? "+" : "", tz_offset);
} else {
g_snprintf (tz_str, sizeof (tz_str), "(UTC)");
}
str = g_strdup_printf ("%04u-%02u-%02u %02u:%02u:%02u %s",
gst_date_time_get_year (dt), gst_date_time_get_month (dt),
gst_date_time_get_day (dt), gst_date_time_get_hour (dt),
gst_date_time_get_minute (dt), gst_date_time_get_second (dt),
tz_str);
}
gst_date_time_unref (dt);
} else {
str =
g_strdup_value_contents (gst_tag_list_get_value_index (list, tag, i));
}
if (i == 0) {
PRINT ("%16s: %s\n", gst_tag_get_nick (tag), str);
} else {
PRINT ("%16s: %s\n", "", str);
}
g_free (str);
}
}
#define MAX_INDENT 40
static void
print_toc_entry (gpointer data, gpointer user_data)
{
GstTocEntry *entry = (GstTocEntry *) data;
const gchar spc[MAX_INDENT + 1] = " ";
const gchar *entry_types[] = { "chapter", "edition" };
guint indent = MIN (GPOINTER_TO_UINT (user_data), MAX_INDENT);
gint64 start, stop;
gst_toc_entry_get_start_stop (entry, &start, &stop);
PRINT ("%s%s:", &spc[MAX_INDENT - indent], entry_types[entry->type]);
if (GST_CLOCK_TIME_IS_VALID (start)) {
PRINT (" start: %" GST_TIME_FORMAT, GST_TIME_ARGS (start));
}
if (GST_CLOCK_TIME_IS_VALID (stop)) {
PRINT (" stop: %" GST_TIME_FORMAT, GST_TIME_ARGS (stop));
}
PRINT ("\n");
indent += 2;
/* TODO: print tags */
/* loop over sub-toc entries */
g_list_foreach (entry->subentries, print_toc_entry,
GUINT_TO_POINTER (indent));
}
#ifndef DISABLE_FAULT_HANDLER
/* we only use sighandler here because the registers are not important */
static void
sigint_handler_sighandler (int signum)
{
PRINT ("Caught interrupt -- ");
/* If we were waiting for an EOS, we still want to catch
* the next signal to shutdown properly (and the following one
* will quit the program). */
if (waiting_eos) {
waiting_eos = FALSE;
} else {
sigint_restore ();
}
/* we set a flag that is checked by the mainloop, we cannot do much in the
* interrupt handler (no mutex or other blocking stuff) */
caught_intr = TRUE;
}
/* is called every 250 milliseconds (4 times a second), the interrupt handler
* will set a flag for us. We react to this by posting a message. */
static gboolean
check_intr (GstElement * pipeline)
{
if (!caught_intr) {
return TRUE;
} else {
caught_intr = FALSE;
PRINT ("handling interrupt.\n");
/* post an application specific message */
gst_element_post_message (GST_ELEMENT (pipeline),
gst_message_new_application (GST_OBJECT (pipeline),
gst_structure_new ("GstLaunchInterrupt",
"message", G_TYPE_STRING, "Pipeline interrupted", NULL)));
/* remove timeout handler */
return FALSE;
}
}
static void
sigint_setup (void)
{
struct sigaction action;
memset (&action, 0, sizeof (action));
action.sa_handler = sigint_handler_sighandler;
sigaction (SIGINT, &action, NULL);
}
static void
sigint_restore (void)
{
struct sigaction action;
memset (&action, 0, sizeof (action));
action.sa_handler = SIG_DFL;
sigaction (SIGINT, &action, NULL);
}
/* FIXME 0.11: remove SIGUSR handling (also from man page) */
static void
play_handler (int signum)
{
switch (signum) {
case SIGUSR1:
PRINT ("Caught SIGUSR1 - Play request.\n");
gst_element_set_state (pipeline, GST_STATE_PLAYING);
break;
case SIGUSR2:
PRINT ("Caught SIGUSR2 - Stop request.\n");
gst_element_set_state (pipeline, GST_STATE_NULL);
break;
}
}
static void
play_signal_setup (void)
{
struct sigaction action;
memset (&action, 0, sizeof (action));
action.sa_handler = play_handler;
sigaction (SIGUSR1, &action, NULL);
sigaction (SIGUSR2, &action, NULL);
}
#endif /* DISABLE_FAULT_HANDLER */
/* returns ELR_ERROR if there was an error
* or ELR_INTERRUPT if we caught a keyboard interrupt
* or ELR_NO_ERROR otherwise. */
static EventLoopResult
event_loop (GstElement * pipeline, gboolean blocking, GstState target_state)
{
2010-02-11 20:14:59 +00:00
#ifndef DISABLE_FAULT_HANDLER
gulong timeout_id;
#endif
GstBus *bus;
GstMessage *message = NULL;
EventLoopResult res = ELR_NO_ERROR;
gboolean buffering = FALSE;
bus = gst_element_get_bus (GST_ELEMENT (pipeline));
#ifndef DISABLE_FAULT_HANDLER
2010-02-11 20:14:59 +00:00
timeout_id = g_timeout_add (250, (GSourceFunc) check_intr, pipeline);
#endif
while (TRUE) {
message = gst_bus_poll (bus, GST_MESSAGE_ANY, blocking ? -1 : 0);
/* if the poll timed out, only when !blocking */
if (message == NULL)
goto exit;
/* check if we need to dump messages to the console */
if (messages) {
GstObject *src_obj;
const GstStructure *s;
guint32 seqnum;
seqnum = gst_message_get_seqnum (message);
s = gst_message_get_structure (message);
src_obj = GST_MESSAGE_SRC (message);
if (GST_IS_ELEMENT (src_obj)) {
PRINT (_("Got message #%u from element \"%s\" (%s): "),
(guint) seqnum, GST_ELEMENT_NAME (src_obj),
GST_MESSAGE_TYPE_NAME (message));
} else if (GST_IS_PAD (src_obj)) {
PRINT (_("Got message #%u from pad \"%s:%s\" (%s): "),
(guint) seqnum, GST_DEBUG_PAD_NAME (src_obj),
GST_MESSAGE_TYPE_NAME (message));
} else if (GST_IS_OBJECT (src_obj)) {
PRINT (_("Got message #%u from object \"%s\" (%s): "),
(guint) seqnum, GST_OBJECT_NAME (src_obj),
GST_MESSAGE_TYPE_NAME (message));
} else {
PRINT (_("Got message #%u (%s): "), (guint) seqnum,
GST_MESSAGE_TYPE_NAME (message));
}
if (s) {
gchar *sstr;
sstr = gst_structure_to_string (s);
PRINT ("%s\n", sstr);
g_free (sstr);
} else {
PRINT ("no message details\n");
}
}
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_NEW_CLOCK:
{
GstClock *clock;
gst_message_parse_new_clock (message, &clock);
PRINT ("New clock: %s\n", (clock ? GST_OBJECT_NAME (clock) : "NULL"));
break;
}
case GST_MESSAGE_CLOCK_LOST:
PRINT ("Clock lost, selecting a new one\n");
gst_element_set_state (pipeline, GST_STATE_PAUSED);
gst_element_set_state (pipeline, GST_STATE_PLAYING);
break;
case GST_MESSAGE_EOS:{
waiting_eos = FALSE;
PRINT (_("Got EOS from element \"%s\".\n"),
GST_MESSAGE_SRC_NAME (message));
goto exit;
}
case GST_MESSAGE_TAG:
if (tags) {
GstTagList *tag_list;
if (GST_IS_ELEMENT (GST_MESSAGE_SRC (message))) {
PRINT (_("FOUND TAG : found by element \"%s\".\n"),
GST_MESSAGE_SRC_NAME (message));
} else if (GST_IS_PAD (GST_MESSAGE_SRC (message))) {
PRINT (_("FOUND TAG : found by pad \"%s:%s\".\n"),
GST_DEBUG_PAD_NAME (GST_MESSAGE_SRC (message)));
} else if (GST_IS_OBJECT (GST_MESSAGE_SRC (message))) {
PRINT (_("FOUND TAG : found by object \"%s\".\n"),
GST_MESSAGE_SRC_NAME (message));
} else {
PRINT (_("FOUND TAG\n"));
}
gst_message_parse_tag (message, &tag_list);
gst_tag_list_foreach (tag_list, print_tag, NULL);
gst_tag_list_free (tag_list);
}
break;
case GST_MESSAGE_TOC:
if (toc) {
GstToc *toc_msg;
gboolean updated;
if (GST_IS_ELEMENT (GST_MESSAGE_SRC (message))) {
PRINT (_("FOUND TOC : found by element \"%s\".\n"),
GST_MESSAGE_SRC_NAME (message));
} else if (GST_IS_OBJECT (GST_MESSAGE_SRC (message))) {
PRINT (_("FOUND TOC : found by object \"%s\".\n"),
GST_MESSAGE_SRC_NAME (message));
} else {
PRINT (_("FOUND TOC\n"));
}
gst_message_parse_toc (message, &toc_msg, &updated);
/* recursively loop over toc entries */
g_list_foreach (toc_msg->entries, print_toc_entry,
GUINT_TO_POINTER (0));
gst_toc_free (toc_msg);
}
break;
case GST_MESSAGE_INFO:{
GError *gerror;
gchar *debug;
gchar *name = gst_object_get_path_string (GST_MESSAGE_SRC (message));
gst_message_parse_info (message, &gerror, &debug);
if (debug) {
PRINT (_("INFO:\n%s\n"), debug);
}
g_error_free (gerror);
g_free (debug);
g_free (name);
break;
}
case GST_MESSAGE_WARNING:{
GError *gerror;
gchar *debug;
gchar *name = gst_object_get_path_string (GST_MESSAGE_SRC (message));
/* dump graph on warning */
GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
GST_DEBUG_GRAPH_SHOW_ALL, "gst-launch.warning");
gst_message_parse_warning (message, &gerror, &debug);
PRINT (_("WARNING: from element %s: %s\n"), name, gerror->message);
if (debug) {
PRINT (_("Additional debug info:\n%s\n"), debug);
}
g_error_free (gerror);
g_free (debug);
g_free (name);
break;
}
case GST_MESSAGE_ERROR:{
/* dump graph on error */
GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
GST_DEBUG_GRAPH_SHOW_ALL, "gst-launch.error");
print_error_message (message);
/* we have an error */
res = ELR_ERROR;
goto exit;
}
case GST_MESSAGE_STATE_CHANGED:{
GstState old, new, pending;
/* we only care about pipeline state change messages */
if (GST_MESSAGE_SRC (message) != GST_OBJECT_CAST (pipeline))
break;
/* ignore when we are buffering since then we mess with the states
* ourselves. */
if (buffering) {
PRINT (_("Prerolled, waiting for buffering to finish...\n"));
break;
}
gst_message_parse_state_changed (message, &old, &new, &pending);
/* if we reached the final target state, exit */
if (target_state == GST_STATE_PAUSED && new == target_state)
goto exit;
/* else not an interesting message */
break;
}
case GST_MESSAGE_BUFFERING:{
gint percent;
gst_message_parse_buffering (message, &percent);
PRINT ("%s %d%% \r", _("buffering..."), percent);
/* no state management needed for live pipelines */
if (is_live)
break;
if (percent == 100) {
/* a 100% message means buffering is done */
buffering = FALSE;
/* if the desired state is playing, go back */
if (target_state == GST_STATE_PLAYING) {
PRINT (_("Done buffering, setting pipeline to PLAYING ...\n"));
gst_element_set_state (pipeline, GST_STATE_PLAYING);
} else
goto exit;
} else {
/* buffering busy */
if (buffering == FALSE && target_state == GST_STATE_PLAYING) {
/* we were not buffering but PLAYING, PAUSE the pipeline. */
PRINT (_("Buffering, setting pipeline to PAUSED ...\n"));
gst_element_set_state (pipeline, GST_STATE_PAUSED);
}
buffering = TRUE;
}
break;
}
case GST_MESSAGE_LATENCY:
{
PRINT (_("Redistribute latency...\n"));
gst_bin_recalculate_latency (GST_BIN (pipeline));
break;
}
case GST_MESSAGE_REQUEST_STATE:
{
GstState state;
gchar *name = gst_object_get_path_string (GST_MESSAGE_SRC (message));
gst_message_parse_request_state (message, &state);
PRINT (_("Setting state to %s as requested by %s...\n"),
gst_element_state_get_name (state), name);
gst_element_set_state (pipeline, state);
g_free (name);
break;
}
case GST_MESSAGE_APPLICATION:{
const GstStructure *s;
s = gst_message_get_structure (message);
if (gst_structure_has_name (s, "GstLaunchInterrupt")) {
/* this application message is posted when we caught an interrupt and
* we need to stop the pipeline. */
PRINT (_("Interrupt: Stopping pipeline ...\n"));
res = ELR_INTERRUPT;
goto exit;
}
break;
}
case GST_MESSAGE_ELEMENT:{
if (gst_is_missing_plugin_message (message)) {
const gchar *desc;
desc = gst_missing_plugin_message_get_description (message);
PRINT (_("Missing element: %s\n"), desc ? desc : "(no description)");
}
break;
}
default:
/* just be quiet by default */
break;
}
if (message)
gst_message_unref (message);
}
g_assert_not_reached ();
exit:
{
if (message)
gst_message_unref (message);
gst_object_unref (bus);
2010-02-11 20:14:59 +00:00
#ifndef DISABLE_FAULT_HANDLER
g_source_remove (timeout_id);
#endif
return res;
}
}
static GstBusSyncReply
bus_sync_handler (GstBus * bus, GstMessage * message, gpointer data)
{
GstElement *pipeline = (GstElement *) data;
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_STATE_CHANGED:
/* we only care about pipeline state change messages */
if (GST_MESSAGE_SRC (message) == GST_OBJECT_CAST (pipeline)) {
GstState old, new, pending;
gchar *state_transition_name;
gst_message_parse_state_changed (message, &old, &new, &pending);
state_transition_name = g_strdup_printf ("%s_%s",
gst_element_state_get_name (old), gst_element_state_get_name (new));
/* dump graph for (some) pipeline state changes */
{
gchar *dump_name = g_strconcat ("gst-launch.", state_transition_name,
NULL);
GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
GST_DEBUG_GRAPH_SHOW_ALL, dump_name);
g_free (dump_name);
}
/* place a marker into e.g. strace logs */
{
gchar *access_name = g_strconcat (g_get_tmp_dir (), G_DIR_SEPARATOR_S,
"gst-launch", G_DIR_SEPARATOR_S, state_transition_name, NULL);
g_file_test (access_name, G_FILE_TEST_EXISTS);
g_free (access_name);
}
g_free (state_transition_name);
}
default:
break;
}
return GST_BUS_PASS;
}
int
main (int argc, char *argv[])
{
/* options */
gboolean verbose = FALSE;
gboolean no_fault = FALSE;
gboolean no_sigusr_handler = FALSE;
gboolean trace = FALSE;
gboolean eos_on_shutdown = FALSE;
gboolean check_index = FALSE;
gchar *savefile = NULL;
gchar *exclude_args = NULL;
#ifndef GST_DISABLE_OPTION_PARSING
GOptionEntry options[] = {
{"tags", 't', 0, G_OPTION_ARG_NONE, &tags,
N_("Output tags (also known as metadata)"), NULL},
{"toc", 'c', 0, G_OPTION_ARG_NONE, &toc,
N_("Ouput TOC (chapters and editions)"), NULL},
{"verbose", 'v', 0, G_OPTION_ARG_NONE, &verbose,
N_("Output status information and property notifications"), NULL},
{"quiet", 'q', 0, G_OPTION_ARG_NONE, &quiet,
N_("Do not print any progress information"), NULL},
{"messages", 'm', 0, G_OPTION_ARG_NONE, &messages,
N_("Output messages"), NULL},
{"exclude", 'X', 0, G_OPTION_ARG_NONE, &exclude_args,
N_("Do not output status information of TYPE"), N_("TYPE1,TYPE2,...")},
#if !defined(GST_DISABLE_LOADSAVE) && !defined(GST_REMOVE_DEPRECATED)
{"output", 'o', 0, G_OPTION_ARG_STRING, &savefile,
N_("Save xml representation of pipeline to FILE and exit"), N_("FILE")},
#endif
{"no-fault", 'f', 0, G_OPTION_ARG_NONE, &no_fault,
N_("Do not install a fault handler"), NULL},
{"no-sigusr-handler", '\0', 0, G_OPTION_ARG_NONE, &no_sigusr_handler,
N_("Do not install signal handlers for SIGUSR1 and SIGUSR2"), NULL},
{"trace", 'T', 0, G_OPTION_ARG_NONE, &trace,
N_("Print alloc trace (if enabled at compile time)"), NULL},
{"eos-on-shutdown", 'e', 0, G_OPTION_ARG_NONE, &eos_on_shutdown,
N_("Force EOS on sources before shutting the pipeline down"), NULL},
{"index", 'i', 0, G_OPTION_ARG_NONE, &check_index,
N_("Gather and print index statistics"), NULL},
GST_TOOLS_GOPTION_VERSION,
{NULL}
};
GOptionContext *ctx;
GError *err = NULL;
#endif
GstIndex *index;
GPtrArray *index_stats = NULL;
gchar **argvn;
GError *error = NULL;
gint res = 0;
free (malloc (8)); /* -lefence */
#ifdef ENABLE_NLS
bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
textdomain (GETTEXT_PACKAGE);
#endif
#if !GLIB_CHECK_VERSION (2, 31, 0)
g_thread_init (NULL);
#endif
gst_tools_set_prgname ("gst-launch");
#ifndef GST_DISABLE_OPTION_PARSING
ctx = g_option_context_new ("PIPELINE-DESCRIPTION");
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)) {
if (err)
g_printerr ("Error initializing: %s\n", GST_STR_NULL (err->message));
else
g_printerr ("Error initializing: Unknown error!\n");
exit (1);
}
g_option_context_free (ctx);
#else
gst_init (&argc, &argv);
#endif
gst_tools_print_version ("gst-launch");
#ifndef DISABLE_FAULT_HANDLER
if (!no_fault)
fault_setup ();
sigint_setup ();
if (!no_sigusr_handler)
play_signal_setup ();
#endif
if (trace) {
if (!gst_alloc_trace_available ()) {
g_warning ("Trace not available (recompile with trace enabled).");
}
gst_alloc_trace_set_flags_all (GST_ALLOC_TRACE_LIVE |
GST_ALLOC_TRACE_MEM_LIVE);
gst/base/gsttypefindhelper.c (gst_type_find_helper): Unref any remaining buffer. Original commit message from CVS: 2005-06-27 Andy Wingo <wingo@pobox.com> * gst/base/gsttypefindhelper.c (gst_type_find_helper): Unref any remaining buffer. * gst/gsttrace.c (gst_alloc_trace_list_sorted): New helper, returns a sorted copy of the trace list. (gst_alloc_trace_print_live): New API, only prints traces with live objects. Sort the list. (gst_alloc_trace_print_all): Sort the list. (gst_alloc_trace_print): Align columns. * gst/elements/gstttypefindelement.c: * gst/elements/gsttee.c: * gst/base/gstbasesrc.c: * gst/base/gstbasesink.c: * gst/base/gstbasetransform.c: * gst/gstqueue.c: Adapt for pad activation changes. * gst/gstpipeline.c (gst_pipeline_init): Unref after parenting sched. (gst_pipeline_dispose): Drop ref on sched. * gst/gstpad.c (gst_pad_init): Set the default activate func. (gst_pad_activate_default): Push mode by default. (pre_activate_switch, post_activate_switch): New stubs, things to do before and after switching activation modes on pads. (gst_pad_set_active): Take a boolean and not a mode, dispatch to the pad's activate function to choose which mode to activate. Shortcut on deactivation and call the right function directly. (gst_pad_activate_pull): New API, (de)activates a pad in pull mode. (gst_pad_activate_push): New API, same for push mode. (gst_pad_set_activate_function) (gst_pad_set_activatepull_function) (gst_pad_set_activatepush_function): Setters for new API. * gst/gstminiobject.c (gst_mini_object_new, gst_mini_object_free): Trace all miniobjects. (gst_mini_object_make_writable): Unref the arg if we copy, like gst_caps_make_writable. * gst/gstmessage.c (_gst_message_initialize): No trace init. * gst/gstghostpad.c (gst_proxy_pad_do_activate) (gst_proxy_pad_do_activatepull, gst_proxy_pad_do_activatepush): Adapt for new pad API. * gst/gstevent.c (_gst_event_initialize): Don't initialize trace. * gst/gstelement.h: * gst/gstelement.c (gst_element_iterate_src_pads) (gst_element_iterate_sink_pads): New API functions. * gst/gstelement.c (iterator_fold_with_resync): New utility, should fold into gstiterator.c in some form. (gst_element_pads_activate): Simplified via use of fold and delegation of decisions to gstpad->activate. * gst/gstbus.c (gst_bus_source_finalize): Set the bus to NULL, help in debugging. * gst/gstbuffer.c (_gst_buffer_initialize): Ref the buffer type class once in init, like gstmessage. Didn't run into this issue but it seems correct. Don't initialize a trace, gstminiobject does that. * check/pipelines/simple_launch_lines.c (test_stop_from_app): New test, runs fakesrc ! fakesink, stopping on ::handoff via a message to the bus. (assert_live_count): New util function, uses alloc traces to check cleanup. * check/gst/gstghostpad.c (test_ghost_pads): More refcount checks. To be modified when unlink drops the internal pad.
2005-06-27 18:35:05 +00:00
gst_alloc_trace_print_live ();
}
/* make a null-terminated version of argv */
argvn = g_new0 (char *, argc);
memcpy (argvn, argv + 1, sizeof (char *) * (argc - 1));
#if !defined(GST_DISABLE_LOADSAVE) && !defined(GST_REMOVE_DEPRECATED)
if (strstr (argv[0], "gst-xmllaunch")) {
/* FIXME 0.11: remove xmllaunch entirely */
g_warning ("gst-xmllaunch is deprecated and broken for all but the most "
"simple pipelines. It will most likely be removed in future. Don't "
"use it.\n");
pipeline = xmllaunch_parse_cmdline ((const gchar **) argvn);
} else
#endif
{
pipeline =
(GstElement *) gst_parse_launchv ((const gchar **) argvn, &error);
}
g_free (argvn);
if (!pipeline) {
if (error) {
g_printerr (_("ERROR: pipeline could not be constructed: %s.\n"),
GST_STR_NULL (error->message));
g_error_free (error);
} else {
g_printerr (_("ERROR: pipeline could not be constructed.\n"));
}
return 1;
} else if (error) {
g_printerr (_("WARNING: erroneous pipeline: %s\n"),
GST_STR_NULL (error->message));
g_error_free (error);
return 1;
}
if (verbose) {
gchar **exclude_list =
exclude_args ? g_strsplit (exclude_args, ",", 0) : NULL;
g_signal_connect (pipeline, "deep-notify",
G_CALLBACK (gst_object_default_deep_notify), exclude_list);
}
#if !defined(GST_DISABLE_LOADSAVE) && !defined(GST_REMOVE_DEPRECATED)
if (savefile) {
g_warning ("Pipeline serialization to XML is deprecated and broken for "
"all but the most simple pipelines. It will most likely be removed "
"in future. Don't use it.\n");
gst_xml_write_file (GST_ELEMENT (pipeline), fopen (savefile, "w"));
}
#endif
if (!savefile) {
GstState state, pending;
GstStateChangeReturn ret;
GstBus *bus;
/* If the top-level object is not a pipeline, place it in a pipeline. */
if (!GST_IS_PIPELINE (pipeline)) {
GstElement *real_pipeline = gst_element_factory_make ("pipeline", NULL);
if (real_pipeline == NULL) {
g_printerr (_("ERROR: the 'pipeline' element wasn't found.\n"));
return 1;
}
gst_bin_add (GST_BIN (real_pipeline), pipeline);
pipeline = real_pipeline;
}
if (check_index) {
/* gst_index_new() creates a null-index, it does not store anything, but
* the entry-added signal works and this is what we use to build the
* statistics */
index = gst_index_new ();
if (index) {
index_stats = g_ptr_array_new ();
g_signal_connect (G_OBJECT (index), "entry-added",
G_CALLBACK (entry_added), index_stats);
g_object_set (G_OBJECT (index), "resolver", GST_INDEX_RESOLVER_GTYPE,
NULL);
gst_element_set_index (pipeline, index);
}
}
bus = gst_element_get_bus (pipeline);
gst_bus_set_sync_handler (bus, bus_sync_handler, (gpointer) pipeline);
gst_object_unref (bus);
PRINT (_("Setting pipeline to PAUSED ...\n"));
ret = gst_element_set_state (pipeline, GST_STATE_PAUSED);
switch (ret) {
case GST_STATE_CHANGE_FAILURE:
g_printerr (_("ERROR: Pipeline doesn't want to pause.\n"));
res = -1;
event_loop (pipeline, FALSE, GST_STATE_VOID_PENDING);
goto end;
case GST_STATE_CHANGE_NO_PREROLL:
PRINT (_("Pipeline is live and does not need PREROLL ...\n"));
is_live = TRUE;
break;
case GST_STATE_CHANGE_ASYNC:
PRINT (_("Pipeline is PREROLLING ...\n"));
caught_error = event_loop (pipeline, TRUE, GST_STATE_PAUSED);
if (caught_error) {
g_printerr (_("ERROR: pipeline doesn't want to preroll.\n"));
goto end;
}
state = GST_STATE_PAUSED;
/* fallthrough */
case GST_STATE_CHANGE_SUCCESS:
PRINT (_("Pipeline is PREROLLED ...\n"));
break;
}
caught_error = event_loop (pipeline, FALSE, GST_STATE_PLAYING);
if (caught_error) {
g_printerr (_("ERROR: pipeline doesn't want to preroll.\n"));
} else {
GstClockTime tfthen, tfnow;
GstClockTimeDiff diff;
PRINT (_("Setting pipeline to PLAYING ...\n"));
if (gst_element_set_state (pipeline,
GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE) {
GstMessage *err_msg;
GstBus *bus;
g_printerr (_("ERROR: pipeline doesn't want to play.\n"));
bus = gst_element_get_bus (pipeline);
if ((err_msg = gst_bus_poll (bus, GST_MESSAGE_ERROR, 0))) {
print_error_message (err_msg);
gst_message_unref (err_msg);
}
gst_object_unref (bus);
res = -1;
goto end;
}
tfthen = gst_util_get_timestamp ();
caught_error = event_loop (pipeline, TRUE, GST_STATE_PLAYING);
if (eos_on_shutdown && caught_error == ELR_INTERRUPT) {
PRINT (_("EOS on shutdown enabled -- Forcing EOS on the pipeline\n"));
waiting_eos = TRUE;
gst_element_send_event (pipeline, gst_event_new_eos ());
PRINT (_("Waiting for EOS...\n"));
caught_error = event_loop (pipeline, TRUE, GST_STATE_PLAYING);
if (caught_error == ELR_NO_ERROR) {
/* we got EOS */
PRINT (_("EOS received - stopping pipeline...\n"));
} else if (caught_error == ELR_ERROR) {
PRINT (_("An error happened while waiting for EOS\n"));
}
}
tfnow = gst_util_get_timestamp ();
diff = GST_CLOCK_DIFF (tfthen, tfnow);
PRINT (_("Execution ended after %" G_GUINT64_FORMAT " ns.\n"), diff);
}
PRINT (_("Setting pipeline to PAUSED ...\n"));
gst_element_set_state (pipeline, GST_STATE_PAUSED);
if (caught_error == ELR_NO_ERROR)
gst_element_get_state (pipeline, &state, &pending, GST_CLOCK_TIME_NONE);
/* iterate mainloop to process pending stuff */
while (g_main_context_iteration (NULL, FALSE));
PRINT (_("Setting pipeline to READY ...\n"));
gst_element_set_state (pipeline, GST_STATE_READY);
gst_element_get_state (pipeline, &state, &pending, GST_CLOCK_TIME_NONE);
if (check_index) {
print_index_stats (index_stats);
g_ptr_array_free (index_stats, TRUE);
}
end:
PRINT (_("Setting pipeline to NULL ...\n"));
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_element_get_state (pipeline, &state, &pending, GST_CLOCK_TIME_NONE);
}
PRINT (_("Freeing pipeline ...\n"));
gst_object_unref (pipeline);
gst_deinit ();
if (trace)
gst/base/gsttypefindhelper.c (gst_type_find_helper): Unref any remaining buffer. Original commit message from CVS: 2005-06-27 Andy Wingo <wingo@pobox.com> * gst/base/gsttypefindhelper.c (gst_type_find_helper): Unref any remaining buffer. * gst/gsttrace.c (gst_alloc_trace_list_sorted): New helper, returns a sorted copy of the trace list. (gst_alloc_trace_print_live): New API, only prints traces with live objects. Sort the list. (gst_alloc_trace_print_all): Sort the list. (gst_alloc_trace_print): Align columns. * gst/elements/gstttypefindelement.c: * gst/elements/gsttee.c: * gst/base/gstbasesrc.c: * gst/base/gstbasesink.c: * gst/base/gstbasetransform.c: * gst/gstqueue.c: Adapt for pad activation changes. * gst/gstpipeline.c (gst_pipeline_init): Unref after parenting sched. (gst_pipeline_dispose): Drop ref on sched. * gst/gstpad.c (gst_pad_init): Set the default activate func. (gst_pad_activate_default): Push mode by default. (pre_activate_switch, post_activate_switch): New stubs, things to do before and after switching activation modes on pads. (gst_pad_set_active): Take a boolean and not a mode, dispatch to the pad's activate function to choose which mode to activate. Shortcut on deactivation and call the right function directly. (gst_pad_activate_pull): New API, (de)activates a pad in pull mode. (gst_pad_activate_push): New API, same for push mode. (gst_pad_set_activate_function) (gst_pad_set_activatepull_function) (gst_pad_set_activatepush_function): Setters for new API. * gst/gstminiobject.c (gst_mini_object_new, gst_mini_object_free): Trace all miniobjects. (gst_mini_object_make_writable): Unref the arg if we copy, like gst_caps_make_writable. * gst/gstmessage.c (_gst_message_initialize): No trace init. * gst/gstghostpad.c (gst_proxy_pad_do_activate) (gst_proxy_pad_do_activatepull, gst_proxy_pad_do_activatepush): Adapt for new pad API. * gst/gstevent.c (_gst_event_initialize): Don't initialize trace. * gst/gstelement.h: * gst/gstelement.c (gst_element_iterate_src_pads) (gst_element_iterate_sink_pads): New API functions. * gst/gstelement.c (iterator_fold_with_resync): New utility, should fold into gstiterator.c in some form. (gst_element_pads_activate): Simplified via use of fold and delegation of decisions to gstpad->activate. * gst/gstbus.c (gst_bus_source_finalize): Set the bus to NULL, help in debugging. * gst/gstbuffer.c (_gst_buffer_initialize): Ref the buffer type class once in init, like gstmessage. Didn't run into this issue but it seems correct. Don't initialize a trace, gstminiobject does that. * check/pipelines/simple_launch_lines.c (test_stop_from_app): New test, runs fakesrc ! fakesink, stopping on ::handoff via a message to the bus. (assert_live_count): New util function, uses alloc traces to check cleanup. * check/gst/gstghostpad.c (test_ghost_pads): More refcount checks. To be modified when unlink drops the internal pad.
2005-06-27 18:35:05 +00:00
gst_alloc_trace_print_live ();
return res;
}