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Fix refcounting in capsnego and streaminfo

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Original commit message from CVS:
Fix refcounting in capsnego and streaminfo
This commit is contained in:
Wim Taymans 2003-02-02 20:03:10 +00:00
parent 28aadf4801
commit 5b02345612
1 changed files with 21 additions and 15 deletions
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36
ext/mpeg2dec/gstmpeg2dec.c
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@ -305,7 +305,7 @@ static gboolean
gst_mpeg2dec_negotiate_format (GstMpeg2dec *mpeg2dec)
{
GstCaps *allowed;
GstCaps *trylist;
GstCaps *intersect, *trylist, *head, *to_intersect;
/* we what we are allowed to do */
allowed = gst_pad_get_allowed_caps (mpeg2dec->srcpad);
@ -318,18 +318,23 @@ gst_mpeg2dec_negotiate_format (GstMpeg2dec *mpeg2dec)
);
}
to_intersect = GST_CAPS_NEW (
"mpeg2dec_negotiate",
"video/raw",
"width", GST_PROPS_INT (mpeg2dec->width),
"height", GST_PROPS_INT (mpeg2dec->height),
"pixel_width", GST_PROPS_INT (mpeg2dec->pixel_width),
"pixel_height", GST_PROPS_INT (mpeg2dec->pixel_height)
);
/* try to fix our height */
trylist = gst_caps_intersect (allowed,
GST_CAPS_NEW (
"mpeg2dec_negotiate",
"video/raw",
"width", GST_PROPS_INT (mpeg2dec->width),
"height", GST_PROPS_INT (mpeg2dec->height),
"pixel_width", GST_PROPS_INT (mpeg2dec->pixel_width),
"pixel_height", GST_PROPS_INT (mpeg2dec->pixel_height)
));
intersect = gst_caps_intersect (allowed, to_intersect);
gst_caps_unref (allowed);
gst_caps_unref (to_intersect);
/* prepare for looping */
trylist = gst_caps_normalize (trylist);
head = trylist = gst_caps_normalize (intersect);
gst_caps_unref (intersect);
while (trylist) {
GstCaps *to_try = gst_caps_copy_1 (trylist);
@ -349,8 +354,11 @@ gst_mpeg2dec_negotiate_format (GstMpeg2dec *mpeg2dec)
}
break;
}
trylist = trylist->next;
}
gst_caps_unref (head);
/* oops list exhausted and nothing was found... */
if (!trylist) {
return FALSE;
@ -379,10 +387,7 @@ update_streaminfo (GstMpeg2dec *mpeg2dec)
"application/x-gst-streaminfo",
props);
if (mpeg2dec->streaminfo)
gst_caps_unref (mpeg2dec->streaminfo);
mpeg2dec->streaminfo = caps;
gst_caps_replace_sink (&mpeg2dec->streaminfo, caps);
g_object_notify (G_OBJECT (mpeg2dec), "streaminfo");
}
@ -1067,6 +1072,7 @@ gst_mpeg2dec_change_state (GstElement *element)
break;
case GST_STATE_PAUSED_TO_READY:
gst_mpeg2dec_close_decoder (mpeg2dec);
gst_caps_replace (&mpeg2dec->streaminfo, NULL);
break;
case GST_STATE_READY_TO_NULL:
break;