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rtsp: Added gst_rtsp_watch_queue_data().

Browse source 
gst_rtsp_watch_queue_data() is similar to gst_rtsp_watch_queue_message()
but allows for queuing any data block for writing (much like
gst_rtsp_connection_write() vs. gst_rtsp_connection_send().)

API: gst_rtsp_watch_queue_data()
This commit is contained in:
Peter Kjellerstedt 2009-06-15 13:58:26 +02:00
parent 595f8b6d00
commit 726a47f777
2 changed files with 53 additions and 17 deletions
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67
gst-libs/gst/rtsp/gstrtspconnection.c
View file

@ -2665,12 +2665,11 @@ gst_rtsp_connection_do_tunnel (GstRTSPConnection * conn,
typedef struct
{
GString *str;
guint8 *data;
guint size;
guint id;
} GstRTSPRec;
static guint queue_response (GstRTSPWatch * watch, GString * str);
/* async functions */
struct _GstRTSPWatch
{
@ -2690,7 +2689,7 @@ struct _GstRTSPWatch
GAsyncQueue *messages;
guint8 *write_data;
guint write_off;
guint write_len;
guint write_size;
guint write_id;
GstRTSPWatchFuncs funcs;
@ -2741,6 +2740,7 @@ gst_rtsp_source_dispatch (GSource * source, GSourceFunc callback G_GNUC_UNUSED,
if (res == GST_RTSP_ETGET) {
GString *str;
GstRTSPStatusCode code;
guint size;
if (watch->funcs.tunnel_start)
code = watch->funcs.tunnel_start (watch, watch->user_data);
@ -2749,7 +2749,9 @@ gst_rtsp_source_dispatch (GSource * source, GSourceFunc callback G_GNUC_UNUSED,
/* queue the response string */
str = gen_tunnel_reply (watch->conn, code);
queue_response (watch, str);
size = str->len;
gst_rtsp_watch_queue_data (watch, (guint8 *) g_string_free (str, FALSE),
size);
} else if (res == GST_RTSP_ETPOST) {
/* in the callback the connection should be tunneled with the
* GET connection */
@ -2780,16 +2782,15 @@ gst_rtsp_source_dispatch (GSource * source, GSourceFunc callback G_GNUC_UNUSED,
goto done;
watch->write_off = 0;
watch->write_len = rec->str->len;
watch->write_data = (guint8 *) g_string_free (rec->str, FALSE);
watch->write_data = rec->data;
watch->write_size = rec->size;
watch->write_id = rec->id;
rec->str = NULL;
g_slice_free (GstRTSPRec, rec);
}
res = write_bytes (watch->writefd.fd, watch->write_data,
&watch->write_off, watch->write_len);
&watch->write_off, watch->write_size);
if (res == GST_RTSP_EINTR)
break;
if (G_UNLIKELY (res != GST_RTSP_OK))
@ -2831,8 +2832,7 @@ gst_rtsp_rec_free (gpointer data)
{
GstRTSPRec *rec = data;
g_string_free (rec->str, TRUE);
rec->str = NULL;
g_free (rec->data);
g_slice_free (GstRTSPRec, rec);
}
@ -2982,15 +2982,42 @@ gst_rtsp_watch_unref (GstRTSPWatch * watch)
g_source_unref ((GSource *) watch);
}
static guint
queue_response (GstRTSPWatch * watch, GString * str)
/**
* gst_rtsp_watch_queue_data:
* @watch: a #GstRTSPWatch
* @data: the data to queue
* @size: the size of @data
*
* Queue @data for transmission in @watch. It will be transmitted when the
* connection of the @watch becomes writable.
*
* This function will take ownership of @data and g_free() it after use.
*
* The return value of this function will be used as the id argument in the
* message_sent callback.
*
* Returns: an id.
*
* Since: 0.10.24
*/
guint
gst_rtsp_watch_queue_data (GstRTSPWatch * watch, const guint8 * data,
guint size)
{
GstRTSPRec *rec;
/* make a record with the message as a string and id */
g_return_val_if_fail (watch != NULL, GST_RTSP_EINVAL);
g_return_val_if_fail (data != NULL, GST_RTSP_EINVAL);
g_return_val_if_fail (size != 0, GST_RTSP_EINVAL);
/* make a record with the data and id */
rec = g_slice_new (GstRTSPRec);
rec->str = str;
rec->id = ++watch->id;
rec->data = (guint8 *) data;
rec->size = size;
do {
/* make sure rec->id is never 0 */
rec->id = ++watch->id;
} while (G_UNLIKELY (rec->id == 0));
/* add the record to a queue. FIXME we would like to have an upper limit here */
g_async_queue_push (watch->messages, rec);
@ -3026,9 +3053,15 @@ queue_response (GstRTSPWatch * watch, GString * str)
guint
gst_rtsp_watch_queue_message (GstRTSPWatch * watch, GstRTSPMessage * message)
{
GString *str;
guint size;
g_return_val_if_fail (watch != NULL, GST_RTSP_EINVAL);
g_return_val_if_fail (message != NULL, GST_RTSP_EINVAL);
/* make a record with the message as a string and id */
return queue_response (watch, message_to_string (watch->conn, message));
str = message_to_string (watch->conn, message);
size = str->len;
return gst_rtsp_watch_queue_data (watch,
(guint8 *) g_string_free (str, FALSE), size);
}

3
gst-libs/gst/rtsp/gstrtspconnection.h
View file

@ -173,6 +173,9 @@ void gst_rtsp_watch_unref (GstRTSPWatch *watch);
guint gst_rtsp_watch_attach (GstRTSPWatch *watch,
GMainContext *context);
guint gst_rtsp_watch_queue_data (GstRTSPWatch * watch,
const guint8 * data,
guint size);
guint gst_rtsp_watch_queue_message (GstRTSPWatch *watch,
GstRTSPMessage *message);