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uvcsink: extract helper function for updating the stream state

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The uvcsink may switch to the v4l2sink after a STREAMON either on a caps event
or on a caps query.

Extract the code that handles the STREAMON into a helper function, as this is
the same code.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4994>
This commit is contained in:
Michael Tretter 2023-07-18 17:54:49 +02:00 committed by GStreamer Marge Bot
parent 24daf9ea3d
commit 6637343980
1 changed files with 22 additions and 28 deletions
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48
subprojects/gst-plugins-bad/sys/uvcgadget/gstuvcsink.c
View file

@ -227,6 +227,25 @@ static gboolean gst_uvc_sink_to_v4l2sink (GstUvcSink * self);
static GstPadProbeReturn gst_uvc_sink_sinkpad_event_peer_probe (GstPad * pad,
GstPadProbeInfo * info, GstUvcSink * self);
static void
gst_uvc_sink_update_streaming (GstUvcSink * self)
{
if (self->streamon) {
g_atomic_int_set (&self->streamon, FALSE);
gst_uvc_sink_to_v4l2sink (self);
if (!self->streaming)
GST_DEBUG_OBJECT (self, "something went wrong!");
}
if (self->streamoff) {
g_atomic_int_set (&self->streamoff, FALSE);
if (self->streaming)
GST_DEBUG_OBJECT (self, "something went wrong!");
}
}
static gboolean
gst_uvc_sink_query (GstPad * pad, GstObject * parent, GstQuery * query)
{
@ -247,21 +266,9 @@ gst_uvc_sink_query (GstPad * pad, GstObject * parent, GstQuery * query)
(GstPadProbeCallback) gst_uvc_sink_sinkpad_event_peer_probe,
self, NULL);
} else {
if (self->streamon) {
g_atomic_int_set (&self->streamon, FALSE);
gst_uvc_sink_to_v4l2sink (self);
if (!self->streaming)
GST_DEBUG_OBJECT (self, "something went wrong!");
gst_uvc_sink_update_streaming (self);
}
if (self->streamoff) {
g_atomic_int_set (&self->streamoff, FALSE);
if (self->streaming)
GST_DEBUG_OBJECT (self, "something went wrong!");
}
}
return TRUE;
}
case GST_QUERY_ALLOCATION:
@ -366,20 +373,7 @@ gst_uvc_sink_sinkpad_event_peer_probe (GstPad * pad,
if (self->streamon || self->streamoff)
g_atomic_int_set (&self->caps_changed, FALSE);
if (self->streamon) {
g_atomic_int_set (&self->streamon, FALSE);
gst_uvc_sink_to_v4l2sink (self);
if (!self->streaming)
GST_DEBUG_OBJECT (self, "something went wrong!");
}
if (self->streamoff) {
g_atomic_int_set (&self->streamoff, FALSE);
if (self->streaming)
GST_DEBUG_OBJECT (self, "something went wrong!");
}
gst_uvc_sink_update_streaming (self);
return GST_PAD_PROBE_REMOVE;
}