flacparse: Implement conversions between TIME and DEFAULT format

Fixes bug #650785.

diff --git a/gst/audioparsers/gstflacparse.c b/gst/audioparsers/gstflacparse.c
index 0671187..0c76655 100644 (file)
--- a/gst/audioparsers/gstflacparse.c
+++ b/gst/audioparsers/gstflacparse.c
@@ -198,6 +198,9 @@ static GstFlowReturn gst_flac_parse_parse_frame (GstBaseParse * parse,
     GstBaseParseFrame * frame);
 static GstFlowReturn gst_flac_parse_pre_push_frame (GstBaseParse * parse,
     GstBaseParseFrame * frame);
+static gboolean gst_flac_parse_convert (GstBaseParse * parse,
+    GstFormat src_format, gint64 src_value, GstFormat dest_format,
+    gint64 * dest_value);
 
 GST_BOILERPLATE (GstFlacParse, gst_flac_parse, GstBaseParse,
     GST_TYPE_BASE_PARSE);
@@ -244,6 +247,7 @@ gst_flac_parse_class_init (GstFlacParseClass * klass)
   baseparse_class->parse_frame = GST_DEBUG_FUNCPTR (gst_flac_parse_parse_frame);
   baseparse_class->pre_push_frame =
       GST_DEBUG_FUNCPTR (gst_flac_parse_pre_push_frame);
+  baseparse_class->convert = GST_DEBUG_FUNCPTR (gst_flac_parse_convert);
 }
 
 static void
@@ -1351,3 +1355,34 @@ gst_flac_parse_pre_push_frame (GstBaseParse * parse, GstBaseParseFrame * frame)
 
   return GST_FLOW_OK;
 }
+
+static gboolean
+gst_flac_parse_convert (GstBaseParse * parse,
+    GstFormat src_format, gint64 src_value, GstFormat dest_format,
+    gint64 * dest_value)
+{
+  GstFlacParse *flacparse = GST_FLAC_PARSE (parse);
+
+  if (flacparse->samplerate > 0) {
+    if (src_format == GST_FORMAT_DEFAULT && dest_format == GST_FORMAT_TIME) {
+      if (src_value != -1)
+        *dest_value =
+            gst_util_uint64_scale (src_value, GST_SECOND,
+            flacparse->samplerate);
+      else
+        *dest_value = -1;
+      return TRUE;
+    } else if (src_format == GST_FORMAT_TIME && dest_format == GST_FORMAT_TIME) {
+      if (src_value != -1)
+        *dest_value =
+            gst_util_uint64_scale (src_value, flacparse->samplerate,
+            GST_SECOND);
+      else
+        *dest_value = -1;
+      return TRUE;
+    }
+  }
+
+  return GST_BASE_PARSE_CLASS (parent_class)->convert (parse, src_format,
+      src_value, dest_format, dest_value);
+}