gst-launch: Disable printing current position by default when stdout is not a tty

... and add new option to force-enable printing position even if stdout
is not a tty.
This commit is contained in:
Seungha Yang 2019-11-12 11:24:45 +09:00 committed by Tim-Philipp Müller
parent 7b38def8e0
commit c05cb9504d
2 changed files with 25 additions and 6 deletions

View file

@ -56,7 +56,14 @@ Print memory allocation traces. The feature must be enabled at compile time to
work.
.TP 8
.B \-\-no\-position
Do not print current position of pipeline
Do not print current position of pipeline.
If this option is unspecified, the position will be printed when stdout is a TTY.
To enable printing position when stdout is not a TTY,
use "force-position" option.
.TP 8
.B \-\-force\-position
Allow printing current position of pipeline even if stdout is not a TTY.
This option has no effect if the "no-position" option is specified.
.TP 8
.

View file

@ -1041,6 +1041,7 @@ main (int argc, char *argv[])
#endif
gchar *savefile = NULL;
gboolean no_position = FALSE;
gboolean force_position = FALSE;
#ifndef GST_DISABLE_OPTION_PARSING
GOptionEntry options[] = {
{"tags", 't', 0, G_OPTION_ARG_NONE, &tags,
@ -1067,7 +1068,16 @@ main (int argc, char *argv[])
#endif
GST_TOOLS_GOPTION_VERSION,
{"no-position", '\0', 0, G_OPTION_ARG_NONE, &no_position,
N_("Do not print current position of pipeline"), NULL},
N_("Do not print current position of pipeline. "
"If this option is unspecified, the position will be printed "
"when stdout is a TTY. "
"To enable printing position when stdout is not a TTY, "
"use \"force-position\" option"), NULL},
{"force-position", '\0', 0, G_OPTION_ARG_NONE, &force_position,
N_("Allow printing current position of pipeline even if "
"stdout is not a TTY. This option has no effect if "
"the \"no-position\" option is specified"),
NULL},
{NULL}
};
GOptionContext *ctx;
@ -1224,11 +1234,13 @@ main (int argc, char *argv[])
if (!isatty (STDOUT_FILENO))
output_is_tty = FALSE;
if (output_is_tty || (!output_is_tty && force_position)) {
position_source = g_timeout_source_new (100);
g_source_set_callback (position_source, query_pipeline_position,
GINT_TO_POINTER (output_is_tty), NULL);
g_source_attach (position_source, NULL);
}
}
/* playing state will be set on state-changed message handler */
g_main_loop_run (loop);