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some enhancements for capsnego

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Original commit message from CVS:
some enhancements for capsnego
This commit is contained in:
Ronald S. Bultje 2002-09-18 10:57:56 +00:00
parent 79adbf346e
commit 6413f023bc
1 changed files with 15 additions and 2 deletions
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17
sys/v4l2/gstv4l2src.c
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@ -563,8 +563,14 @@ gst_v4l2src_srcconnect (GstPad *pad,
/* clean up if we still haven't cleaned up our previous /* clean up if we still haven't cleaned up our previous
* capture session */ * capture session */
if (GST_V4L2_IS_ACTIVE(GST_V4L2ELEMENT(v4l2src))) if (GST_V4L2_IS_ACTIVE(GST_V4L2ELEMENT(v4l2src)))
{
if (!gst_v4l2src_capture_deinit(v4l2src)) if (!gst_v4l2src_capture_deinit(v4l2src))
return GST_PAD_CONNECT_REFUSED; return GST_PAD_CONNECT_REFUSED;
}
else if (!GST_V4L2_IS_OPEN(GST_V4L2ELEMENT(v4l2src)))
{
return GST_PAD_CONNECT_DELAYED;
}
/* build our own capslist */ /* build our own capslist */
if (v4l2src->palette) { if (v4l2src->palette) {
@ -610,10 +616,17 @@ gst_v4l2src_srcconnect (GstPad *pad,
format->flags & V4L2_FMT_FLAG_COMPRESSED); format->flags & V4L2_FMT_FLAG_COMPRESSED);
GstCaps *onecaps; GstCaps *onecaps;
for (;lastcaps != NULL; lastcaps = lastcaps->next) { for (;lastcaps != NULL; lastcaps = lastcaps->next) {
GstPadConnectReturn ret_val;
onecaps = gst_caps_copy_1(lastcaps); onecaps = gst_caps_copy_1(lastcaps);
if (gst_pad_try_set_caps(v4l2src->srcpad, onecaps) > 0) if ((ret_val = gst_pad_try_set_caps(v4l2src->srcpad, onecaps)) > 0)
{
if (gst_v4l2src_capture_init(v4l2src)) if (gst_v4l2src_capture_init(v4l2src))
return GST_PAD_CONNECT_OK; return GST_PAD_CONNECT_DONE;
}
else if (ret_val == GST_PAD_CONNECT_DELAYED)
{
return GST_PAD_CONNECT_DELAYED;
}
} }
} }
} }