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rtsp-sdp: Parse width/height from caps and set SDP attribute

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The SDP attribute and its format is described in RFC6064.

Fixes https://bugzilla.gnome.org/show_bug.cgi?id=700747
This commit is contained in:
Sebastian Rasmussen 2013-05-22 03:29:30 +02:00 committed by Sebastian Dröge
parent 0951aa37e1
commit 5fd034ff1a
1 changed files with 17 additions and 0 deletions
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17
gst/rtsp-server/rtsp-sdp.c
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@ -100,6 +100,7 @@ gst_rtsp_sdp_from_media (GstSDPMessage * sdp, GstSDPInfo * info,
gboolean first;
GString *fmtp;
GstCaps *caps;
gint width, height;
stream = gst_rtsp_media_get_stream (media, i);
caps = gst_rtsp_stream_get_caps (stream);
@ -150,6 +151,18 @@ gst_rtsp_sdp_from_media (GstSDPMessage * sdp, GstSDPInfo * info,
g_free (tmp);
}
/* create framesize SDP attribute */
if (gst_structure_get_int (s, "width", &width) && width > 0 &&
gst_structure_get_int (s, "height", &height) && height > 0) {
tmp = g_strdup_printf ("%d %d-%d", caps_pt, width, height);
gst_sdp_media_add_attribute (smedia, "framesize", tmp);
g_free (tmp);
tmp = g_strdup_printf (" %d,%d", width, height);
gst_sdp_media_add_attribute (smedia, "x-dimensions", tmp);
g_free (tmp);
}
/* the config uri */
tmp = g_strdup_printf ("stream=%d", i);
gst_sdp_media_add_attribute (smedia, "control", tmp);
@ -182,6 +195,10 @@ gst_rtsp_sdp_from_media (GstSDPMessage * sdp, GstSDPInfo * info,
continue;
if (!strcmp (fname, "seqnum-base"))
continue;
if (!strcmp (fname, "width"))
continue;
if (!strcmp (fname, "height"))
continue;
if ((fval = gst_structure_get_string (s, fname))) {
g_string_append_printf (fmtp, "%s%s=%s", first ? "" : ";", fname, fval);