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gst-launch: add -q/--quiet option to supress any non error output.

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Having no output is nice for scripting. Also update the manpage.
This commit is contained in:
Stefan Kost 2009-02-09 22:49:05 +02:00
parent 1c716ae407
commit a12b0a60d8
2 changed files with 35 additions and 15 deletions
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5
tools/gst-launch.1.in
View file

@ -28,7 +28,10 @@ easy way to construct pipelines from pipeline descriptions.
Print help synopsis and available FLAGS
.TP 8
.B \-v, \-\-verbose
Output status information
Output status information and property notifications
.TP 8
.B \-v, \-\-quiet
Do not print any progress information
.TP 8
.B \-m, \-\-messages
Output messages posted on the pipeline's bus

19
tools/gst-launch.c
View file

@ -58,6 +58,7 @@ static gboolean caught_intr = FALSE;
static GstElement *pipeline;
static gboolean caught_error = FALSE;
static gboolean quiet = FALSE;
static gboolean tags = FALSE;
static gboolean messages = FALSE;
static gboolean is_live = FALSE;
@ -522,6 +523,7 @@ event_loop (GstElement * pipeline, gboolean blocking, GstState target_state)
gint percent;
gst_message_parse_buffering (message, &percent);
if(!quiet)
fprintf (stderr, "%s %d%% \r", _("buffering..."), percent);
/* no state management needed for live pipelines */
@ -533,6 +535,7 @@ event_loop (GstElement * pipeline, gboolean blocking, GstState target_state)
buffering = FALSE;
/* if the desired state is playing, go back */
if (target_state == GST_STATE_PLAYING) {
if(!quiet)
fprintf (stderr,
_("Done buffering, setting pipeline to PLAYING ...\n"));
gst_element_set_state (pipeline, GST_STATE_PLAYING);
@ -542,6 +545,7 @@ event_loop (GstElement * pipeline, gboolean blocking, GstState target_state)
/* buffering busy */
if (buffering == FALSE && target_state == GST_STATE_PLAYING) {
/* we were not buffering but PLAYING, PAUSE the pipeline. */
if(!quiet)
fprintf (stderr, _("Buffering, setting pipeline to PAUSED ...\n"));
gst_element_set_state (pipeline, GST_STATE_PAUSED);
}
@ -563,6 +567,7 @@ event_loop (GstElement * pipeline, gboolean blocking, GstState target_state)
if (gst_structure_has_name (s, "GstLaunchInterrupt")) {
/* this application message is posted when we caught an interrupt and
* we need to stop the pipeline. */
if(!quiet)
fprintf (stderr, _("Interrupt: Stopping pipeline ...\n"));
/* return TRUE when we caught an interrupt */
res = TRUE;
@ -601,6 +606,8 @@ main (int argc, char *argv[])
N_("Output tags (also known as metadata)"), 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,
@ -721,6 +728,7 @@ main (int argc, char *argv[])
gst_bin_add (GST_BIN (real_pipeline), pipeline);
pipeline = real_pipeline;
}
if(!quiet)
fprintf (stderr, _("Setting pipeline to PAUSED ...\n"));
ret = gst_element_set_state (pipeline, GST_STATE_PAUSED);
@ -731,10 +739,12 @@ main (int argc, char *argv[])
event_loop (pipeline, FALSE, GST_STATE_VOID_PENDING);
goto end;
case GST_STATE_CHANGE_NO_PREROLL:
if(!quiet)
fprintf (stderr, _("Pipeline is live and does not need PREROLL ...\n"));
is_live = TRUE;
break;
case GST_STATE_CHANGE_ASYNC:
if(!quiet)
fprintf (stderr, _("Pipeline is PREROLLING ...\n"));
caught_error = event_loop (pipeline, TRUE, GST_STATE_PAUSED);
if (caught_error) {
@ -744,6 +754,7 @@ main (int argc, char *argv[])
state = GST_STATE_PAUSED;
/* fallthrough */
case GST_STATE_CHANGE_SUCCESS:
if(!quiet)
fprintf (stderr, _("Pipeline is PREROLLED ...\n"));
break;
}
@ -756,7 +767,9 @@ main (int argc, char *argv[])
GstClockTime tfthen, tfnow;
GstClockTimeDiff diff;
if(!quiet)
fprintf (stderr, _("Setting pipeline to PLAYING ...\n"));
if (gst_element_set_state (pipeline,
GST_STATE_PLAYING) == GST_STATE_CHANGE_FAILURE) {
GstMessage *err_msg;
@ -791,21 +804,25 @@ main (int argc, char *argv[])
/* iterate mainloop to process pending stuff */
while (g_main_context_iteration (NULL, FALSE));
if(!quiet)
fprintf (stderr, _("Setting pipeline to PAUSED ...\n"));
gst_element_set_state (pipeline, GST_STATE_PAUSED);
if (!caught_error)
gst_element_get_state (pipeline, &state, &pending, GST_CLOCK_TIME_NONE);
if(!quiet)
fprintf (stderr, _("Setting pipeline to READY ...\n"));
gst_element_set_state (pipeline, GST_STATE_READY);
gst_element_get_state (pipeline, &state, &pending, GST_CLOCK_TIME_NONE);
end:
if(!quiet)
fprintf (stderr, _("Setting pipeline to NULL ...\n"));
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_element_get_state (pipeline, &state, &pending, GST_CLOCK_TIME_NONE);
}
fprintf (stderr, _("FREEING pipeline ...\n"));
if(!quiet)
fprintf (stderr, _("Freeing pipeline ...\n"));
gst_object_unref (pipeline);
gst_deinit ();