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rtsp-sdp: Parse framerate caps field and set SDP attribute

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The SDP attribute and its format is described in RFC4566.

Fixes https://bugzilla.gnome.org/show_bug.cgi?id=700747
This commit is contained in:
Sebastian Rasmussen 2013-05-22 03:29:38 +02:00 committed by Sebastian Dröge
parent 5fd034ff1a
commit d6a4dee036
1 changed files with 13 additions and 0 deletions
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13
gst/rtsp-server/rtsp-sdp.c
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@ -101,6 +101,7 @@ gst_rtsp_sdp_from_media (GstSDPMessage * sdp, GstSDPInfo * info,
GString *fmtp;
GstCaps *caps;
gint width, height;
gint num = 0, denom = 1;
stream = gst_rtsp_media_get_stream (media, i);
caps = gst_rtsp_stream_get_caps (stream);
@ -163,6 +164,16 @@ gst_rtsp_sdp_from_media (GstSDPMessage * sdp, GstSDPInfo * info,
g_free (tmp);
}
/* create framerate SDP attribute if frame is not zero */
if (gst_structure_get_fraction (s, "framerate", &num, &denom) && num > 0) {
gdouble rate;
gchar framerate [G_ASCII_DTOSTR_BUF_SIZE];
gst_util_fraction_to_double (num, denom, &rate);
g_ascii_formatd (framerate, sizeof (framerate), " %.17g", rate);
gst_sdp_media_add_attribute (smedia, "framerate", framerate);
}
/* the config uri */
tmp = g_strdup_printf ("stream=%d", i);
gst_sdp_media_add_attribute (smedia, "control", tmp);
@ -199,6 +210,8 @@ gst_rtsp_sdp_from_media (GstSDPMessage * sdp, GstSDPInfo * info,
continue;
if (!strcmp (fname, "height"))
continue;
if (!strcmp (fname, "framerate"))
continue;
if ((fval = gst_structure_get_string (s, fname))) {
g_string_append_printf (fmtp, "%s%s=%s", first ? "" : ";", fname, fval);