sys/oss/gstosselement.c: Add code to handle rate probing (bug #120883)

Original commit message from CVS:
* sys/oss/gstosselement.c: (gst_osselement_sync_parms),
(gst_osselement_close_audio), (gst_osselement_probe_caps),
(gst_osselement_get_format_structure),
(gst_osselement_rate_probe_check), (gst_osselement_rate_add_range),
(gst_osselement_rate_check_rate), (gst_osselement_rate_add_rate),
(gst_osselement_rate_int_compare): Add code to handle rate probing
(bug #120883)
* sys/oss/gstosselement.h: same
* sys/oss/gstosssink.c: (gst_osssink_init), (gst_osssink_getcaps):
Use rate probing provided by osselement.
* sys/oss/gstosssrc.c: (gst_osssrc_init), (gst_osssrc_getcaps): same

1 files changed, 22 insertions, 2 deletions

diff --git a/sys/oss/gstosssrc.c b/sys/oss/gstosssrc.c
index b35dbfc2..1ff3ee48 100644
--- a/sys/oss/gstosssrc.c
+++ b/sys/oss/gstosssrc.c
@@ -66,7 +66,7 @@ static GstStaticPadTemplate osssrc_src_factory = GST_STATIC_PAD_TEMPLATE ("src",
         "signed = (boolean) { TRUE, FALSE }, "
         "width = (int) { 8, 16 }, "
         "depth = (int) { 8, 16 }, "
-        "rate = (int) [ 1000, 48000 ], " "channels = (int) [ 1, 2 ]")
+        "rate = (int) [ 1, MAX ], " "channels = (int) [ 1, 2 ]")
     );
 
 static void gst_osssrc_base_init (gpointer g_class);
@@ -76,6 +76,7 @@ static void gst_osssrc_dispose (GObject * object);
 
 static GstPadLinkReturn gst_osssrc_srcconnect (GstPad * pad,
     const GstCaps * caps);
+static GstCaps *gst_osssrc_getcaps (GstPad * pad);
 static const GstFormat *gst_osssrc_get_formats (GstPad * pad);
 static gboolean gst_osssrc_convert (GstPad * pad,
     GstFormat src_format, gint64 src_value,
@@ -176,6 +177,7 @@ gst_osssrc_init (GstOssSrc * osssrc)
       gst_pad_new_from_template (gst_static_pad_template_get
       (&osssrc_src_factory), "src");
   gst_pad_set_get_function (osssrc->srcpad, gst_osssrc_get);
+  gst_pad_set_getcaps_function (osssrc->srcpad, gst_osssrc_getcaps);
   gst_pad_set_link_function (osssrc->srcpad, gst_osssrc_srcconnect);
   gst_pad_set_convert_function (osssrc->srcpad, gst_osssrc_convert);
   gst_pad_set_formats_function (osssrc->srcpad, gst_osssrc_get_formats);
@@ -184,7 +186,6 @@ gst_osssrc_init (GstOssSrc * osssrc)
   gst_pad_set_query_function (osssrc->srcpad, gst_osssrc_src_query);
   gst_pad_set_query_type_function (osssrc->srcpad, gst_osssrc_get_query_types);
 
-
   gst_element_add_pad (GST_ELEMENT (osssrc), osssrc->srcpad);
 
   osssrc->buffersize = 4096;
@@ -208,6 +209,25 @@ gst_osssrc_dispose (GObject * object)
   G_OBJECT_CLASS (parent_class)->dispose (object);
 }
 
+static GstCaps *
+gst_osssrc_getcaps (GstPad * pad)
+{
+  GstOssSrc *src;
+  GstCaps *caps;
+
+  src = GST_OSSSRC (gst_pad_get_parent (pad));
+
+  gst_osselement_probe_caps (GST_OSSELEMENT (src));
+
+  if (GST_OSSELEMENT (src)->probed_caps == NULL) {
+    caps = gst_caps_copy (gst_pad_get_pad_template_caps (pad));
+  } else {
+    caps = gst_caps_copy (GST_OSSELEMENT (src)->probed_caps);
+  }
+
+  return caps;
+}
+
 static GstPadLinkReturn
 gst_osssrc_srcconnect (GstPad * pad, const GstCaps * caps)
 {