From: Rob Clark <rob@ti.com>
Date: Sat, 13 Feb 2010 21:29:13 +0000 (-0600)
Subject: gst-launch: add --loop argument
X-Git-Tag: glsdk-6_00_00_07~14
X-Git-Url: https://git.ti.com/gitweb?p=glsdk%2Fgstreamer0-10.git;a=commitdiff_plain;h=5187a43a25fbb1663fe12cf6f35bb945226d2108

gst-launch: add --loop argument

if --loop is specified, automatically seek to beginning of clip when EOS is received
---

diff --git a/tools/gst-launch.c b/tools/gst-launch.c
index b801d033d..a468c69ab 100644
--- a/tools/gst-launch.c
+++ b/tools/gst-launch.c
@@ -923,6 +923,7 @@ main (int argc, char *argv[])
   gboolean trace = FALSE;
   gboolean eos_on_shutdown = FALSE;
   gboolean check_index = FALSE;
+  gboolean loop = FALSE;
   gchar *savefile = NULL;
   gchar *exclude_args = NULL;
 #ifndef GST_DISABLE_OPTION_PARSING
@@ -951,6 +952,8 @@ main (int argc, char *argv[])
         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},
+    {"loop", 'l', 0, G_OPTION_ARG_NONE, &loop,
+        N_("Repeat clip in loop without rebuilding pipeline"), NULL},
     GST_TOOLS_GOPTION_VERSION,
     {NULL}
   };
@@ -1154,7 +1157,18 @@ main (int argc, char *argv[])
       }
 
       tfthen = gst_util_get_timestamp ();
-      caught_error = event_loop (pipeline, TRUE, GST_STATE_PLAYING);
+      do {
+        caught_error = event_loop (pipeline, TRUE, GST_STATE_PLAYING);
+        if (loop && (caught_error == ELR_NO_ERROR)) {
+          PRINT (_("Looping ...\n"));
+          gst_element_seek (pipeline, 1.0,
+              GST_FORMAT_TIME,
+              GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_KEY_UNIT,
+              GST_SEEK_TYPE_SET, 0, GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE);
+        } else {
+          break;
+        }
+      } while (TRUE);
       if (eos_on_shutdown && caught_error == ELR_INTERRUPT) {
         PRINT (_("EOS on shutdown enabled -- Forcing EOS on the pipeline\n"));
         waiting_eos = TRUE;