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gst-launch: add -c, --toc to print the toc

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Print the nested chapter and edition structure of the chapters message.
This commit is contained in:
Stefan Sauer 2012-03-22 08:36:02 +01:00
parent 72c7b56b01
commit 2c715dd827
1 changed files with 54 additions and 0 deletions
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54
tools/gst-launch.c
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@ -69,6 +69,7 @@ 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;
@ -507,6 +508,35 @@ print_tag (const GstTagList * list, const gchar * tag, gpointer unused)
}
}
static void
print_toc_entry (gpointer data, gpointer user_data)
{
GstTocEntry *entry = (GstTocEntry *) data;
const guint max_indent = 40;
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
@ -709,6 +739,28 @@ event_loop (GstElement * pipeline, gboolean blocking, GstState target_state)
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;
@ -929,6 +981,8 @@ main (int argc, char *argv[])
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,