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rtpjpegpay: Add optional framerate caps for use in SDP

Browse source 
The format of the value adheres to RFC4566 and it is meant to be parsed
and included in the SDP sent by gst-rtsp-server to its clients.

Fixes https://bugzilla.gnome.org/show_bug.cgi?id=700748
This commit is contained in:
Sebastian Rasmussen 2013-05-20 21:34:13 +02:00 committed by Sebastian Dröge
parent 2d3910fc79
commit 919eed0787
1 changed files with 34 additions and 3 deletions
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37
gst/rtp/gstrtpjpegpay.c
View file

@ -291,6 +291,9 @@ gst_rtp_jpeg_pay_setcaps (GstRTPBasePayload * basepayload, GstCaps * caps)
GstRtpJPEGPay *pay;
gboolean res;
gint width = -1, height = -1;
gint num = 0, denom;
gchar *rate = NULL;
gchar *dim = NULL;
pay = GST_RTP_JPEG_PAY (basepayload);
@ -308,6 +311,11 @@ gst_rtp_jpeg_pay_setcaps (GstRTPBasePayload * basepayload, GstCaps * caps)
}
}
if (gst_structure_get_fraction (caps_structure, "framerate", &num, &denom) &&
(num < 0 || denom <= 0)) {
goto invalid_framerate;
}
if (height > 2040 || width > 2040) {
pay->height = 0;
pay->width = 0;
@ -318,19 +326,37 @@ gst_rtp_jpeg_pay_setcaps (GstRTPBasePayload * basepayload, GstCaps * caps)
gst_rtp_base_payload_set_options (basepayload, "video", TRUE, "JPEG", 90000);
if (pay->width == 0) {
gchar *dim;
if (num > 0)
{
gdouble framerate;
gst_util_fraction_to_double (num, denom, &framerate);
rate = g_strdup_printf("%f", framerate);
}
if (pay->width == 0) {
GST_DEBUG_OBJECT (pay,
"width or height are greater than 2040, adding x-dimensions to caps");
dim = g_strdup_printf ("%d,%d", width, height);
}
if (rate != NULL && dim != NULL) {
res = gst_rtp_base_payload_set_outcaps (basepayload, "a-framerate",
G_TYPE_STRING, rate, "x-dimensions", G_TYPE_STRING, dim, NULL);
} else if (rate != NULL && dim == NULL) {
res = gst_rtp_base_payload_set_outcaps (basepayload, "a-framerate",
G_TYPE_STRING, rate, NULL);
} else if (rate == NULL && dim != NULL) {
res = gst_rtp_base_payload_set_outcaps (basepayload, "x-dimensions",
G_TYPE_STRING, dim, NULL);
g_free (dim);
} else {
res = gst_rtp_base_payload_set_outcaps (basepayload, NULL);
}
if (dim != NULL)
g_free (dim);
if (rate != NULL)
g_free (rate);
return res;
/* ERRORS */
@ -339,6 +365,11 @@ invalid_dimension:
GST_ERROR_OBJECT (pay, "Invalid width/height from caps");
return FALSE;
}
invalid_framerate:
{
GST_ERROR_OBJECT (pay, "Invalid framerate from caps");
return FALSE;
}
}
static guint