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| author | Christophe Fergeau <teuf@gnome.org> | 2004-11-03 18:49:59 +0000 |
|---|---|---|
| committer | Christophe Fergeau <teuf@gnome.org> | 2004-11-03 18:49:59 +0000 |
| commit | a3bdc2c334cc79f3ce2f0796702dcd030d27d3c0 (patch) | |
| tree | 51c394bd147d2c58145a7b30778a7d2a2eefd28b /docs/random/signal | |
| parent | 074dc0340cabd675ddd9130568de1194678b4a71 (diff) | |
docs/random/signal: added notes about using BOXED for GstBuffer signal marshallers, not POINTER
Original commit message from CVS:
2004-11-03 Christophe Fergeau <teuf@gnome.org>
* docs/random/signal: added notes about using BOXED for GstBuffer
signal marshallers, not POINTER
Diffstat (limited to 'docs/random/signal')
| -rw-r--r-- | docs/random/signal | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/docs/random/signal b/docs/random/signal new file mode 100644 index 0000000000..679a36c122 --- /dev/null +++ b/docs/random/signal @@ -0,0 +1,12 @@ +Random notes on signals: + +* Use a BOXED (and not a POINTER) marshaller when your signal will have a + GstBuffer argument: + +g_signal_new ("handoff", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (GstIdentityClass, handoff), NULL, NULL, + gst_marshal_VOID__BOXED, G_TYPE_NONE, 1, + GST_TYPE_BUFFER | G_SIGNAL_TYPE_STATIC_SCOPE); + +* For GstBuffers arguments, consider using G_SIGNAL_TYPE_STATIC_SCOPE as it + can prevent an extra copy of the buffer |