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rtsp-server: add support for buffer lists

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Add support for sending bufferlists received from appsink.

Fixes #635832
This commit is contained in:
Wim Taymans 2010-12-29 16:26:41 +01:00
parent 4234d96314
commit 50b4c8de98
5 changed files with 71 additions and 6 deletions
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26
gst/rtsp-server/rtsp-client.c
View file

@ -350,13 +350,34 @@ do_send_data (GstBuffer * buffer, guint8 channel, GstRTSPClient * client)
return TRUE;
}
static gboolean
do_send_data_list (GstBufferList * blist, guint8 channel,
GstRTSPClient * client)
{
GstBufferListIterator *it;
it = gst_buffer_list_iterate (blist);
while (gst_buffer_list_iterator_next_group (it)) {
GstBuffer *group = gst_buffer_list_iterator_merge_group (it);
if (group == NULL)
continue;
do_send_data (group, channel, client);
}
gst_buffer_list_iterator_free (it);
return TRUE;
}
static void
link_stream (GstRTSPClient * client, GstRTSPSession * session,
GstRTSPSessionStream * stream)
{
GST_DEBUG ("client %p: linking stream %p", client, stream);
gst_rtsp_session_stream_set_callbacks (stream, (GstRTSPSendFunc) do_send_data,
(GstRTSPSendFunc) do_send_data, client, NULL);
(GstRTSPSendFunc) do_send_data, (GstRTSPSendListFunc) do_send_data_list,
(GstRTSPSendListFunc) do_send_data_list, client, NULL);
client->streams = g_list_prepend (client->streams, stream);
/* make sure our session can't expire */
gst_rtsp_session_prevent_expire (session);
@ -367,7 +388,8 @@ unlink_stream (GstRTSPClient * client, GstRTSPSession * session,
GstRTSPSessionStream * stream)
{
GST_DEBUG ("client %p: unlinking stream %p", client, stream);
gst_rtsp_session_stream_set_callbacks (stream, NULL, NULL, NULL, NULL);
gst_rtsp_session_stream_set_callbacks (stream, NULL, NULL, NULL, NULL, NULL,
NULL);
client->streams = g_list_remove (client->streams, stream);
/* our session can now expire */
gst_rtsp_session_allow_expire (session);

34
gst/rtsp-server/rtsp-media.c
View file

@ -1108,10 +1108,42 @@ handle_new_buffer (GstAppSink * sink, gpointer user_data)
return GST_FLOW_OK;
}
static GstFlowReturn
handle_new_buffer_list (GstAppSink * sink, gpointer user_data)
{
GList *walk;
GstBufferList *blist;
GstRTSPMediaStream *stream;
blist = gst_app_sink_pull_buffer_list (sink);
if (!blist)
return GST_FLOW_OK;
stream = (GstRTSPMediaStream *) user_data;
for (walk = stream->transports; walk; walk = g_list_next (walk)) {
GstRTSPMediaTrans *tr = (GstRTSPMediaTrans *) walk->data;
if (GST_ELEMENT_CAST (sink) == stream->appsink[0]) {
if (tr->send_rtp_list)
tr->send_rtp_list (blist, tr->transport->interleaved.min,
tr->user_data);
} else {
if (tr->send_rtcp_list)
tr->send_rtcp_list (blist, tr->transport->interleaved.max,
tr->user_data);
}
}
gst_buffer_list_unref (blist);
return GST_FLOW_OK;
}
static GstAppSinkCallbacks sink_cb = {
NULL, /* not interested in EOS */
NULL, /* not interested in preroll buffers */
handle_new_buffer
handle_new_buffer,
handle_new_buffer_list
};
/* prepare the pipeline objects to handle @stream in @media */

3
gst/rtsp-server/rtsp-media.h
View file

@ -42,6 +42,7 @@ typedef struct _GstRTSPMediaClass GstRTSPMediaClass;
typedef struct _GstRTSPMediaTrans GstRTSPMediaTrans;
typedef gboolean (*GstRTSPSendFunc) (GstBuffer *buffer, guint8 channel, gpointer user_data);
typedef gboolean (*GstRTSPSendListFunc) (GstBufferList *blist, guint8 channel, gpointer user_data);
typedef void (*GstRTSPKeepAliveFunc) (gpointer user_data);
/**
@ -66,6 +67,8 @@ struct _GstRTSPMediaTrans {
GstRTSPSendFunc send_rtp;
GstRTSPSendFunc send_rtcp;
GstRTSPSendListFunc send_rtp_list;
GstRTSPSendListFunc send_rtcp_list;
gpointer user_data;
GDestroyNotify notify;

12
gst/rtsp-server/rtsp-session.c
View file

@ -79,7 +79,8 @@ gst_rtsp_session_free_stream (GstRTSPSessionStream * stream)
GST_INFO ("free session stream %p", stream);
/* remove callbacks now */
gst_rtsp_session_stream_set_callbacks (stream, NULL, NULL, NULL, NULL);
gst_rtsp_session_stream_set_callbacks (stream, NULL, NULL, NULL, NULL, NULL,
NULL);
gst_rtsp_session_stream_set_keepalive (stream, NULL, NULL, NULL);
gst_rtsp_media_trans_cleanup (&stream->trans);
@ -549,6 +550,8 @@ gst_rtsp_session_stream_set_transport (GstRTSPSessionStream * stream,
* @stream: a #GstRTSPSessionStream
* @send_rtp: a callback called when RTP should be sent
* @send_rtcp: a callback called when RTCP should be sent
* @send_rtp_list: a callback called when RTP should be sent
* @send_rtcp_list: a callback called when RTCP should be sent
* @user_data: user data passed to callbacks
* @notify: called with the user_data when no longer needed.
*
@ -557,11 +560,14 @@ gst_rtsp_session_stream_set_transport (GstRTSPSessionStream * stream,
*/
void
gst_rtsp_session_stream_set_callbacks (GstRTSPSessionStream * stream,
GstRTSPSendFunc send_rtp, GstRTSPSendFunc send_rtcp, gpointer user_data,
GDestroyNotify notify)
GstRTSPSendFunc send_rtp, GstRTSPSendFunc send_rtcp,
GstRTSPSendListFunc send_rtp_list, GstRTSPSendListFunc send_rtcp_list,
gpointer user_data, GDestroyNotify notify)
{
stream->trans.send_rtp = send_rtp;
stream->trans.send_rtcp = send_rtcp;
stream->trans.send_rtp_list = send_rtp_list;
stream->trans.send_rtcp_list = send_rtcp_list;
if (stream->trans.notify)
stream->trans.notify (stream->trans.user_data);
stream->trans.user_data = user_data;

2
gst/rtsp-server/rtsp-session.h
View file

@ -154,6 +154,8 @@ GstRTSPTransport * gst_rtsp_session_stream_set_transport (GstRTSPSessionStre
void gst_rtsp_session_stream_set_callbacks (GstRTSPSessionStream *stream,
GstRTSPSendFunc send_rtp,
GstRTSPSendFunc send_rtcp,
GstRTSPSendListFunc send_rtp_list,
GstRTSPSendListFunc send_rtcp_list,
gpointer user_data,
GDestroyNotify notify);
void gst_rtsp_session_stream_set_keepalive (GstRTSPSessionStream *stream,