Commit eb20f045 authored by Wim Taymans's avatar Wim Taymans

gst/rtsp/: Add URI handler.

Original commit message from CVS:
* gst/rtsp/gstrtspsrc.c: (gst_rtspsrc_get_type),
(gst_rtspsrc_parse_rtpmap), (gst_rtspsrc_media_to_caps),
(gst_rtspsrc_stream_setup_rtp), (gst_rtspsrc_send),
(gst_rtspsrc_open), (gst_rtspsrc_uri_get_type),
(gst_rtspsrc_uri_get_protocols), (gst_rtspsrc_uri_get_uri),
(gst_rtspsrc_uri_set_uri), (gst_rtspsrc_uri_handler_init):
* gst/rtsp/sdpmessage.c: (sdp_media_get_format):
* gst/rtsp/sdpmessage.h:
Add URI handler.
Parse SDP and create caps.
parent 69821962
2005-09-20 Wim Taymans <wim@fluendo.com>
* gst/rtsp/gstrtspsrc.c: (gst_rtspsrc_get_type),
(gst_rtspsrc_parse_rtpmap), (gst_rtspsrc_media_to_caps),
(gst_rtspsrc_stream_setup_rtp), (gst_rtspsrc_send),
(gst_rtspsrc_open), (gst_rtspsrc_uri_get_type),
(gst_rtspsrc_uri_get_protocols), (gst_rtspsrc_uri_get_uri),
(gst_rtspsrc_uri_set_uri), (gst_rtspsrc_uri_handler_init):
* gst/rtsp/sdpmessage.c: (sdp_media_get_format):
* gst/rtsp/sdpmessage.h:
Add URI handler.
Parse SDP and create caps.
2005-09-20 Stefan Kost <ensonic@users.sf.net>
* gst/alpha/gstalpha.c:
......
......@@ -88,6 +88,9 @@ static void gst_rtspsrc_base_init (gpointer g_class);
static void gst_rtspsrc_class_init (GstRTSPSrc * klass);
static void gst_rtspsrc_init (GstRTSPSrc * rtspsrc);
static void gst_rtspsrc_uri_handler_init (gpointer g_iface,
gpointer iface_data);
static GstStateChangeReturn gst_rtspsrc_change_state (GstElement * element,
GstStateChange transition);
......@@ -120,10 +123,18 @@ gst_rtspsrc_get_type (void)
(GInstanceInitFunc) gst_rtspsrc_init,
NULL
};
static const GInterfaceInfo urihandler_info = {
gst_rtspsrc_uri_handler_init,
NULL,
NULL
};
rtspsrc_type =
g_type_register_static (GST_TYPE_ELEMENT, "GstRTSPSrc", &rtspsrc_info,
0);
g_type_add_interface_static (rtspsrc_type, GST_TYPE_URI_HANDLER,
&urihandler_info);
}
return rtspsrc_type;
}
......@@ -289,11 +300,125 @@ done:
}
static gboolean
gst_rtspsrc_stream_setup_rtp (GstRTSPStream * stream, gint * rtpport,
gint * rtcpport)
gst_rtspsrc_parse_rtpmap (gchar * rtpmap, gint * payload, gchar ** name,
gint * rate, gchar ** params)
{
gchar *p, *t;
t = p = rtpmap;
p = strstr (p, " ");
if (p == NULL)
return FALSE;
*p = '\0';
p++;
*payload = atoi (t);
while (*p && g_ascii_isspace (*p))
p++;
if (*p == '\0')
return FALSE;
t = p;
p = strstr (p, "/");
if (p == NULL)
return FALSE;
*p = '\0';
p++;
*name = t;
t = p;
p = strstr (p, "/");
if (p == NULL) {
*rate = atoi (t);
return TRUE;
}
*p = '\0';
p++;
*rate = atoi (t);
t = p;
if (*p == '\0')
return TRUE;
*params = t;
return TRUE;
}
/*
* Mapping of caps to and from SDP fields:
*
* m=<media> <udp port> RTP/AVP <payload>
* a=rtpmap:<payload> <encoding_name>/<clock_rate>[/<encoding_params>]
* a=fmtp:<payload> <param>=<value>;...
*/
static GstCaps *
gst_rtspsrc_media_to_caps (SDPMedia * media)
{
GstCaps *caps;
gchar *payload;
gchar *rtpmap;
//gchar *fmtp;
gint pt;
gchar *name = NULL;
gint rate = -1;
gchar *params = NULL;
GstStructure *s;
payload = sdp_media_get_format (media, 0);
if (payload == NULL) {
g_warning ("payload type not given");
return NULL;
}
pt = atoi (payload);
if (pt >= 96) {
gint payload = 0;
gboolean ret;
rtpmap = sdp_media_get_attribute_val (media, "rtpmap");
if (rtpmap == NULL) {
g_warning ("rtpmap type not given");
return NULL;
}
ret = gst_rtspsrc_parse_rtpmap (rtpmap, &payload, &name, &rate, &params);
if (!ret) {
g_warning ("error parsing rtpmap");
}
if (payload != pt) {
g_warning ("rtpmap of wrong payload type");
name = NULL;
rate = -1;
params = NULL;
}
}
caps = gst_caps_new_simple ("application/x-rtp",
"media", G_TYPE_STRING, media->media, "payload", G_TYPE_INT, pt, NULL);
s = gst_caps_get_structure (caps, 0);
if (rate != -1)
gst_structure_set (s, "clock-rate", G_TYPE_INT, rate, NULL);
if (name != NULL)
gst_structure_set (s, "encoding-name", G_TYPE_STRING, name, NULL);
if (params != NULL)
gst_structure_set (s, "encoding-params", G_TYPE_STRING, params, NULL);
return caps;
}
static gboolean
gst_rtspsrc_stream_setup_rtp (GstRTSPStream * stream, SDPMedia * media,
gint * rtpport, gint * rtcpport)
{
GstStateChangeReturn ret;
GstRTSPSrc *src;
GstCaps *caps;
src = stream->parent;
......@@ -319,6 +444,10 @@ gst_rtspsrc_stream_setup_rtp (GstRTSPStream * stream, gint * rtpport,
if (ret == GST_STATE_CHANGE_FAILURE)
goto start_rtcp_failure;
caps = gst_rtspsrc_media_to_caps (media);
g_object_set (G_OBJECT (stream->rtpsrc), "caps", caps, NULL);
g_object_get (G_OBJECT (stream->rtpsrc), "port", rtpport, NULL);
g_object_get (G_OBJECT (stream->rtcpsrc), "port", rtcpport, NULL);
......@@ -514,12 +643,11 @@ gst_rtspsrc_send (GstRTSPSrc * src, RTSPMessage * request,
*code = response->type_data.response.code;
}
if (response->type_data.response.code != RTSP_STS_OK)
goto error_response;
if (src->debug) {
rtsp_message_dump (response);
}
if (response->type_data.response.code != RTSP_STS_OK)
goto error_response;
return TRUE;
......@@ -537,9 +665,9 @@ receive_error:
}
error_response:
{
rtsp_message_dump (request);
rtsp_message_dump (response);
GST_ELEMENT_ERROR (src, RESOURCE, READ, ("Got error response."), (NULL));
GST_ELEMENT_ERROR (src, RESOURCE, READ, ("Got error response: %d (%s).",
response->type_data.response.code,
response->type_data.response.reason), (NULL));
return FALSE;
}
}
......@@ -706,7 +834,7 @@ gst_rtspsrc_open (GstRTSPSrc * src)
gchar *trxparams;
/* allocate two udp ports */
if (!gst_rtspsrc_stream_setup_rtp (stream, &rtpport, &rtcpport))
if (!gst_rtspsrc_stream_setup_rtp (stream, media, &rtpport, &rtcpport))
goto setup_rtp_failed;
trxparams = g_strdup_printf ("client_port=%d-%d", rtpport, rtcpport);
......@@ -1022,3 +1150,48 @@ open_failed:
return GST_STATE_CHANGE_FAILURE;
}
}
/*** GSTURIHANDLER INTERFACE *************************************************/
static guint
gst_rtspsrc_uri_get_type (void)
{
return GST_URI_SRC;
}
static gchar **
gst_rtspsrc_uri_get_protocols (void)
{
static gchar *protocols[] = { "rtsp", NULL };
return protocols;
}
static const gchar *
gst_rtspsrc_uri_get_uri (GstURIHandler * handler)
{
GstRTSPSrc *src = GST_RTSPSRC (handler);
return g_strdup (src->location);
}
static gboolean
gst_rtspsrc_uri_set_uri (GstURIHandler * handler, const gchar * uri)
{
GstRTSPSrc *src = GST_RTSPSRC (handler);
g_free (src->location);
src->location = g_strdup (uri);
return TRUE;
}
static void
gst_rtspsrc_uri_handler_init (gpointer g_iface, gpointer iface_data)
{
GstURIHandlerInterface *iface = (GstURIHandlerInterface *) g_iface;
iface->get_type = gst_rtspsrc_uri_get_type;
iface->get_protocols = gst_rtspsrc_uri_get_protocols;
iface->get_uri = gst_rtspsrc_uri_get_uri;
iface->set_uri = gst_rtspsrc_uri_set_uri;
}
......@@ -399,6 +399,14 @@ sdp_media_get_attribute_val (SDPMedia * media, gchar * key)
return NULL;
}
gchar *
sdp_media_get_format (SDPMedia * media, gint i)
{
if (i >= media->fmts->len)
return NULL;
return g_array_index (media->fmts, gchar *, i);
}
static void
read_string (gchar * dest, gint size, gchar ** src)
{
......
......@@ -158,6 +158,7 @@ RTSPResult sdp_media_clean (SDPMedia *media);
RTSPResult sdp_media_free (SDPMedia *media);
gchar* sdp_media_get_attribute_val (SDPMedia *media, gchar *key);
gchar* sdp_media_get_format (SDPMedia *media, gint i);
G_END_DECLS
......
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