gistfile1.txt

From e538d4c244f01732ad89762e88990984f21368f7 Mon Sep 17 00:00:00 2001
From: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Date: Wed, 21 May 2014 20:20:50 -0400
Subject: [PATCH] [FRC] multifilesrc: Add duration property

As multifilesrc can't figure-out, let the application tell the element the
duration of these files. This is done by adding two properties, duration
and duration-format.
---
 gst/multifile/gstmultifilesrc.c | 41 +++++++++++++++++++++++++++++++++++++++--
 gst/multifile/gstmultifilesrc.h |  2 ++
 2 files changed, 41 insertions(+), 2 deletions(-)

diff --git a/gst/multifile/gstmultifilesrc.c b/gst/multifile/gstmultifilesrc.c
index c1c1cf1..6189043 100644
--- a/gst/multifile/gstmultifilesrc.c
+++ b/gst/multifile/gstmultifilesrc.c
@@ -78,7 +78,9 @@ enum
   ARG_START_INDEX,
   ARG_STOP_INDEX,
   ARG_CAPS,
-  ARG_LOOP
+  ARG_LOOP,
+  ARG_DURATION,
+  ARG_DURATION_FORMAT
 };
 
 #define DEFAULT_LOCATION "%05d"
@@ -175,6 +177,16 @@ gst_multi_file_src_class_init (GstMultiFileSrcClass * klass)
       g_param_spec_boolean ("loop", "Loop",
           "Whether to repeat from the beginning when all files have been read.",
           FALSE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+  g_object_class_install_property (gobject_class, ARG_DURATION,
+      g_param_spec_uint64 ("duration", "Duration",
+          "Sets the duration of all files together.",
+          0, G_MAXUINT64, GST_CLOCK_TIME_NONE,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+  g_object_class_install_property (gobject_class, ARG_DURATION_FORMAT,
+      g_param_spec_enum ("duration-format", "Duration format",
+          "Set the format (see GstFormat) of the specified duration.",
+          GST_TYPE_FORMAT, GST_FORMAT_UNDEFINED,
+          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
 
   gobject_class->dispose = gst_multi_file_src_dispose;
 
@@ -205,7 +217,7 @@ gst_multi_file_src_init (GstMultiFileSrc * multifilesrc)
   multifilesrc->filename = g_strdup (DEFAULT_LOCATION);
   multifilesrc->successful_read = FALSE;
   multifilesrc->fps_n = multifilesrc->fps_d = -1;
-
+  multifilesrc->duration = GST_CLOCK_TIME_NONE;
 }
 
 static void
@@ -268,6 +280,19 @@ gst_multi_file_src_query (GstBaseSrc * src, GstQuery * query)
       }
       break;
     }
+    case GST_QUERY_DURATION:
+    {
+      GstFormat format;
+      gst_query_parse_duration (query, &format, NULL);
+
+      if (format == mfsrc->duration_format) {
+        gst_query_set_duration (query, format, mfsrc->duration);
+        res = TRUE;
+      } else {
+        res = GST_BASE_SRC_CLASS (parent_class)->query (src, query);
+      }
+      break;
+    }
     default:
       res = GST_BASE_SRC_CLASS (parent_class)->query (src, query);
       break;
@@ -336,6 +361,12 @@ gst_multi_file_src_set_property (GObject * object, guint prop_id,
     case ARG_LOOP:
       src->loop = g_value_get_boolean (value);
       break;
+    case ARG_DURATION:
+      src->duration = g_value_get_uint64 (value);
+      break;
+    case ARG_DURATION_FORMAT:
+      src->duration_format = g_value_get_enum (value);
+      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
       break;
@@ -367,6 +398,12 @@ gst_multi_file_src_get_property (GObject * object, guint prop_id,
     case ARG_LOOP:
       g_value_set_boolean (value, src->loop);
       break;
+    case ARG_DURATION:
+      g_value_set_uint64 (value, src->duration);
+      break;
+    case ARG_DURATION_FORMAT:
+      g_value_set_enum (value, src->duration_format);
+      break;
     default:
       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
       break;
diff --git a/gst/multifile/gstmultifilesrc.h b/gst/multifile/gstmultifilesrc.h
index 65b9730..e1c8a7a 100644
--- a/gst/multifile/gstmultifilesrc.h
+++ b/gst/multifile/gstmultifilesrc.h
@@ -58,6 +58,8 @@ struct _GstMultiFileSrc
   gboolean successful_read;
 
   gint fps_n, fps_d;
+  GstClockTime duration;
+  GstFormat duration_format;
 };
 
 struct _GstMultiFileSrcClass
-- 
1.9.0