v4l2videoenc: Delay capture pool activation
This is support CODA driver which prevents setting the output format if
the capture is streaming.
https://bugzilla.gnome.org/show_bug.cgi?id=791338
diff --git a/sys/v4l2/gstv4l2videoenc.c b/sys/v4l2/gstv4l2videoenc.c
index 8e914f6..6be1bed 100644
--- a/sys/v4l2/gstv4l2videoenc.c
+++ b/sys/v4l2/gstv4l2videoenc.c
@@ -343,6 +343,14 @@
return FALSE;
}
+ /* activating a capture pool will also call STREAMON. CODA driver will
+ * refuse to configure the output if the capture is stremaing. */
+ if (!gst_buffer_pool_set_active (GST_BUFFER_POOL (self->v4l2capture->pool),
+ TRUE)) {
+ GST_WARNING_OBJECT (self, "Could not activate capture buffer pool.");
+ return FALSE;
+ }
+
self->input_state = gst_video_codec_state_ref (state);
GST_DEBUG_OBJECT (self, "output caps: %" GST_PTR_FORMAT, state->caps);
@@ -581,12 +589,6 @@
if (!GST_VIDEO_ENCODER_CLASS (parent_class)->negotiate (encoder))
return FALSE;
- if (!gst_buffer_pool_set_active (GST_BUFFER_POOL (self->v4l2capture->pool),
- TRUE)) {
- GST_WARNING_OBJECT (self, "Could not activate capture buffer pool.");
- return FALSE;
- }
-
return TRUE;
g_ctrl_failed:
