*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
*/
#include <string.h>
//#define DEFAULT_PROTOCOLS GST_RTSP_LOWER_TRANS_UDP_MCAST
#define DEFAULT_EOS_SHUTDOWN FALSE
#define DEFAULT_BUFFER_SIZE 0x80000
-#define DEFAULT_MULTICAST_GROUP "224.2.0.1"
/* define to dump received RTCP packets */
#undef DUMP_STATS
PROP_PROTOCOLS,
PROP_EOS_SHUTDOWN,
PROP_BUFFER_SIZE,
- PROP_MULTICAST_GROUP,
PROP_LAST
};
enum
{
+ SIGNAL_NEW_STREAM,
SIGNAL_PREPARED,
SIGNAL_UNPREPARED,
SIGNAL_NEW_STATE,
GST_DEBUG_CATEGORY_STATIC (rtsp_media_debug);
#define GST_CAT_DEFAULT rtsp_media_debug
-static GQuark ssrc_stream_map_key;
-
static void gst_rtsp_media_get_property (GObject * object, guint propid,
GValue * value, GParamSpec * pspec);
static void gst_rtsp_media_set_property (GObject * object, guint propid,
static gpointer do_loop (GstRTSPMediaClass * klass);
static gboolean default_handle_message (GstRTSPMedia * media,
GstMessage * message);
+static void finish_unprepare (GstRTSPMedia * media);
static gboolean default_unprepare (GstRTSPMedia * media);
-static void unlock_streams (GstRTSPMedia * media);
static guint gst_rtsp_media_signals[SIGNAL_LAST] = { 0 };
"The kernel UDP buffer size to use", 0, G_MAXUINT,
DEFAULT_BUFFER_SIZE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
- g_object_class_install_property (gobject_class, PROP_MULTICAST_GROUP,
- g_param_spec_string ("multicast-group", "Multicast Group",
- "The Multicast group to send media to",
- DEFAULT_MULTICAST_GROUP, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ gst_rtsp_media_signals[SIGNAL_NEW_STREAM] =
+ g_signal_new ("new-stream", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GstRTSPMediaClass, new_stream), NULL, NULL,
+ g_cclosure_marshal_generic, G_TYPE_NONE, 1, GST_TYPE_RTSP_STREAM);
gst_rtsp_media_signals[SIGNAL_PREPARED] =
g_signal_new ("prepared", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
klass->handle_message = default_handle_message;
klass->unprepare = default_unprepare;
-
- ssrc_stream_map_key = g_quark_from_static_string ("GstRTSPServer.stream");
}
static void
gst_rtsp_media_init (GstRTSPMedia * media)
{
- media->streams = g_array_new (FALSE, TRUE, sizeof (GstRTSPMediaStream *));
+ media->streams = g_ptr_array_new_with_free_func (g_object_unref);
g_mutex_init (&media->lock);
g_cond_init (&media->cond);
+ g_rec_mutex_init (&media->state_lock);
media->shared = DEFAULT_SHARED;
media->reusable = DEFAULT_REUSABLE;
media->protocols = DEFAULT_PROTOCOLS;
media->eos_shutdown = DEFAULT_EOS_SHUTDOWN;
media->buffer_size = DEFAULT_BUFFER_SIZE;
- media->multicast_group = g_strdup (DEFAULT_MULTICAST_GROUP);
-}
-
-void
-gst_rtsp_media_trans_cleanup (GstRTSPMediaTrans * trans)
-{
- if (trans->transport) {
- gst_rtsp_transport_free (trans->transport);
- trans->transport = NULL;
- }
- if (trans->rtpsource) {
- g_object_set_qdata (trans->rtpsource, ssrc_stream_map_key, NULL);
- trans->rtpsource = NULL;
- }
-}
-
-static void
-gst_rtsp_media_stream_free (GstRTSPMediaStream * stream)
-{
- if (stream->session)
- g_object_unref (stream->session);
-
- if (stream->caps)
- gst_caps_unref (stream->caps);
-
- if (stream->send_rtp_sink)
- gst_object_unref (stream->send_rtp_sink);
- if (stream->send_rtp_src)
- gst_object_unref (stream->send_rtp_src);
- if (stream->send_rtcp_src)
- gst_object_unref (stream->send_rtcp_src);
- if (stream->recv_rtcp_sink)
- gst_object_unref (stream->recv_rtcp_sink);
- if (stream->recv_rtp_sink)
- gst_object_unref (stream->recv_rtp_sink);
-
- g_list_free (stream->transports);
-
- g_free (stream);
}
static void
gst_rtsp_media_finalize (GObject * obj)
{
GstRTSPMedia *media;
- guint i;
media = GST_RTSP_MEDIA (obj);
GST_INFO ("finalize media %p", media);
- if (media->pipeline) {
- unlock_streams (media);
- gst_element_set_state (media->pipeline, GST_STATE_NULL);
- gst_object_unref (media->pipeline);
- }
+ gst_rtsp_media_unprepare (media);
- for (i = 0; i < media->streams->len; i++) {
- GstRTSPMediaStream *stream;
+ g_ptr_array_unref (media->streams);
- stream = g_array_index (media->streams, GstRTSPMediaStream *, i);
-
- gst_rtsp_media_stream_free (stream);
- }
- g_array_free (media->streams, TRUE);
-
- g_list_foreach (media->dynamic, (GFunc) gst_object_unref, NULL);
- g_list_free (media->dynamic);
+ g_list_free_full (media->dynamic, gst_object_unref);
if (media->source) {
g_source_destroy (media->source);
g_source_unref (media->source);
}
- g_free (media->multicast_group);
+ if (media->auth)
+ g_object_unref (media->auth);
+ if (media->pool)
+ g_object_unref (media->pool);
g_mutex_clear (&media->lock);
g_cond_clear (&media->cond);
+ g_rec_mutex_clear (&media->state_lock);
G_OBJECT_CLASS (gst_rtsp_media_parent_class)->finalize (obj);
}
case PROP_BUFFER_SIZE:
g_value_set_uint (value, gst_rtsp_media_get_buffer_size (media));
break;
- case PROP_MULTICAST_GROUP:
- g_value_take_string (value, gst_rtsp_media_get_multicast_group (media));
- break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, propid, pspec);
}
case PROP_BUFFER_SIZE:
gst_rtsp_media_set_buffer_size (media, g_value_get_uint (value));
break;
- case PROP_MULTICAST_GROUP:
- gst_rtsp_media_set_multicast_group (media, g_value_get_string (value));
- break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, propid, pspec);
}
return NULL;
}
+/* must be called with state lock */
static void
collect_media_stats (GstRTSPMedia * media)
{
media->range.unit = GST_RTSP_RANGE_NPT;
+ GST_INFO ("collect media stats");
+
if (media->is_live) {
media->range.min.type = GST_RTSP_TIME_NOW;
media->range.min.seconds = -1;
* gst_rtsp_media_new:
*
* Create a new #GstRTSPMedia instance. The #GstRTSPMedia object contains the
- * element to produde RTP data for one or more related (audio/video/..)
+ * element to produce RTP data for one or more related (audio/video/..)
* streams.
*
* Returns: a new #GstRTSPMedia object.
{
g_return_if_fail (GST_IS_RTSP_MEDIA (media));
+ g_mutex_lock (&media->lock);
media->shared = shared;
+ g_mutex_unlock (&media->lock);
}
/**
gboolean
gst_rtsp_media_is_shared (GstRTSPMedia * media)
{
+ gboolean res;
+
g_return_val_if_fail (GST_IS_RTSP_MEDIA (media), FALSE);
- return media->shared;
+ g_mutex_lock (&media->lock);
+ res = media->shared;
+ g_mutex_unlock (&media->lock);
+
+ return res;
}
/**
{
g_return_if_fail (GST_IS_RTSP_MEDIA (media));
+ g_mutex_lock (&media->lock);
media->reusable = reusable;
+ g_mutex_unlock (&media->lock);
}
/**
gboolean
gst_rtsp_media_is_reusable (GstRTSPMedia * media)
{
+ gboolean res;
+
g_return_val_if_fail (GST_IS_RTSP_MEDIA (media), FALSE);
- return media->reusable;
+ g_mutex_lock (&media->lock);
+ res = media->reusable;
+ g_mutex_unlock (&media->lock);
+
+ return res;
}
/**
{
g_return_if_fail (GST_IS_RTSP_MEDIA (media));
+ g_mutex_lock (&media->lock);
media->protocols = protocols;
+ g_mutex_unlock (&media->lock);
}
/**
GstRTSPLowerTrans
gst_rtsp_media_get_protocols (GstRTSPMedia * media)
{
+ GstRTSPLowerTrans res;
+
g_return_val_if_fail (GST_IS_RTSP_MEDIA (media),
GST_RTSP_LOWER_TRANS_UNKNOWN);
- return media->protocols;
+ g_mutex_lock (&media->lock);
+ res = media->protocols;
+ g_mutex_unlock (&media->lock);
+
+ return res;
}
/**
{
g_return_if_fail (GST_IS_RTSP_MEDIA (media));
+ g_mutex_lock (&media->lock);
media->eos_shutdown = eos_shutdown;
+ g_mutex_unlock (&media->lock);
}
/**
gboolean
gst_rtsp_media_is_eos_shutdown (GstRTSPMedia * media)
{
+ gboolean res;
+
g_return_val_if_fail (GST_IS_RTSP_MEDIA (media), FALSE);
- return media->eos_shutdown;
+ g_mutex_lock (&media->lock);
+ res = media->eos_shutdown;
+ g_mutex_unlock (&media->lock);
+
+ return res;
}
/**
{
g_return_if_fail (GST_IS_RTSP_MEDIA (media));
+ GST_LOG_OBJECT (media, "set buffer size %u", size);
+
+ g_mutex_lock (&media->lock);
media->buffer_size = size;
+ g_mutex_unlock (&media->lock);
}
/**
guint
gst_rtsp_media_get_buffer_size (GstRTSPMedia * media)
{
+ guint res;
+
g_return_val_if_fail (GST_IS_RTSP_MEDIA (media), FALSE);
- return media->buffer_size;
+ g_mutex_unlock (&media->lock);
+ res = media->buffer_size;
+ g_mutex_unlock (&media->lock);
+
+ return res;
}
/**
- * gst_rtsp_media_set_multicast_group:
+ * gst_rtsp_media_set_auth:
* @media: a #GstRTSPMedia
- * @mc: the new multicast group
+ * @auth: a #GstRTSPAuth
*
- * Set the multicast group that media from @media will be streamed to.
+ * configure @auth to be used as the authentication manager of @media.
*/
void
-gst_rtsp_media_set_multicast_group (GstRTSPMedia * media, const gchar * mc)
+gst_rtsp_media_set_auth (GstRTSPMedia * media, GstRTSPAuth * auth)
{
+ GstRTSPAuth *old;
+
g_return_if_fail (GST_IS_RTSP_MEDIA (media));
+ GST_LOG_OBJECT (media, "set auth %p", auth);
+
g_mutex_lock (&media->lock);
- g_free (media->multicast_group);
- media->multicast_group = g_strdup (mc);
+ if ((old = media->auth) != auth)
+ media->auth = auth ? g_object_ref (auth) : NULL;
+ else
+ old = NULL;
g_mutex_unlock (&media->lock);
+
+ if (old)
+ g_object_unref (old);
}
/**
- * gst_rtsp_media_get_multicast_group:
+ * gst_rtsp_media_get_auth:
* @media: a #GstRTSPMedia
*
- * Get the multicast group that media from @media will be streamed to.
+ * Get the #GstRTSPAuth used as the authentication manager of @media.
*
- * Returns: the multicast group
+ * Returns: (transfer full): the #GstRTSPAuth of @media. g_object_unref() after
+ * usage.
*/
-gchar *
-gst_rtsp_media_get_multicast_group (GstRTSPMedia * media)
+GstRTSPAuth *
+gst_rtsp_media_get_auth (GstRTSPMedia * media)
{
- gchar *result;
+ GstRTSPAuth *result;
g_return_val_if_fail (GST_IS_RTSP_MEDIA (media), NULL);
g_mutex_lock (&media->lock);
- result = g_strdup (media->multicast_group);
+ if ((result = media->auth))
+ g_object_ref (result);
g_mutex_unlock (&media->lock);
return result;
}
/**
- * gst_rtsp_media_set_auth:
+ * gst_rtsp_media_set_address_pool:
* @media: a #GstRTSPMedia
- * @auth: a #GstRTSPAuth
+ * @pool: a #GstRTSPAddressPool
*
- * configure @auth to be used as the authentication manager of @media.
+ * configure @pool to be used as the address pool of @media.
*/
void
-gst_rtsp_media_set_auth (GstRTSPMedia * media, GstRTSPAuth * auth)
+gst_rtsp_media_set_address_pool (GstRTSPMedia * media,
+ GstRTSPAddressPool * pool)
{
- GstRTSPAuth *old;
+ GstRTSPAddressPool *old;
g_return_if_fail (GST_IS_RTSP_MEDIA (media));
- old = media->auth;
+ GST_LOG_OBJECT (media, "set address pool %p", pool);
- if (old != auth) {
- if (auth)
- g_object_ref (auth);
- media->auth = auth;
- if (old)
- g_object_unref (old);
- }
+ g_mutex_lock (&media->lock);
+ if ((old = media->pool) != pool)
+ media->pool = pool ? g_object_ref (pool) : NULL;
+ else
+ old = NULL;
+ g_ptr_array_foreach (media->streams, (GFunc) gst_rtsp_stream_set_address_pool,
+ pool);
+ g_mutex_unlock (&media->lock);
+
+ if (old)
+ g_object_unref (old);
}
/**
- * gst_rtsp_media_get_auth:
+ * gst_rtsp_media_get_address_pool:
* @media: a #GstRTSPMedia
*
- * Get the #GstRTSPAuth used as the authentication manager of @media.
+ * Get the #GstRTSPAddressPool used as the address pool of @media.
*
- * Returns: the #GstRTSPAuth of @media. g_object_unref() after
+ * Returns: (transfer full): the #GstRTSPAddressPool of @media. g_object_unref() after
* usage.
*/
-GstRTSPAuth *
-gst_rtsp_media_get_auth (GstRTSPMedia * media)
+GstRTSPAddressPool *
+gst_rtsp_media_get_address_pool (GstRTSPMedia * media)
{
- GstRTSPAuth *result;
+ GstRTSPAddressPool *result;
g_return_val_if_fail (GST_IS_RTSP_MEDIA (media), NULL);
- if ((result = media->auth))
+ g_mutex_lock (&media->lock);
+ if ((result = media->pool))
g_object_ref (result);
+ g_mutex_unlock (&media->lock);
return result;
}
+/**
+ * gst_rtsp_media_collect_streams:
+ * @media: a #GstRTSPMedia
+ *
+ * Find all payloader elements, they should be named pay%d in the
+ * element of @media, and create #GstRTSPStreams for them.
+ *
+ * Collect all dynamic elements, named dynpay%d, and add them to
+ * the list of dynamic elements.
+ */
+void
+gst_rtsp_media_collect_streams (GstRTSPMedia * media)
+{
+ GstElement *element, *elem;
+ GstPad *pad;
+ gint i;
+ gboolean have_elem;
+
+ g_return_if_fail (GST_IS_RTSP_MEDIA (media));
+
+ element = media->element;
+
+ have_elem = TRUE;
+ for (i = 0; have_elem; i++) {
+ gchar *name;
+
+ have_elem = FALSE;
+
+ name = g_strdup_printf ("pay%d", i);
+ if ((elem = gst_bin_get_by_name (GST_BIN (element), name))) {
+ GST_INFO ("found stream %d with payloader %p", i, elem);
+
+ /* take the pad of the payloader */
+ pad = gst_element_get_static_pad (elem, "src");
+ /* create the stream */
+ gst_rtsp_media_create_stream (media, elem, pad);
+ g_object_unref (pad);
+
+ gst_object_unref (elem);
+
+ have_elem = TRUE;
+ }
+ g_free (name);
+
+ name = g_strdup_printf ("dynpay%d", i);
+ if ((elem = gst_bin_get_by_name (GST_BIN (element), name))) {
+ /* a stream that will dynamically create pads to provide RTP packets */
+
+ GST_INFO ("found dynamic element %d, %p", i, elem);
+
+ g_mutex_lock (&media->lock);
+ media->dynamic = g_list_prepend (media->dynamic, elem);
+ g_mutex_unlock (&media->lock);
+
+ have_elem = TRUE;
+ }
+ g_free (name);
+ }
+}
+
+/**
+ * gst_rtsp_media_create_stream:
+ * @media: a #GstRTSPMedia
+ * @payloader: a #GstElement
+ * @srcpad: a source #GstPad
+ *
+ * Create a new stream in @media that provides RTP data on @srcpad.
+ * @srcpad should be a pad of an element inside @media->element.
+ *
+ * Returns: (transfer none): a new #GstRTSPStream that remains valid for as long
+ * as @media exists.
+ */
+GstRTSPStream *
+gst_rtsp_media_create_stream (GstRTSPMedia * media, GstElement * payloader,
+ GstPad * pad)
+{
+ GstRTSPStream *stream;
+ GstPad *srcpad;
+ gchar *name;
+ gint idx;
+
+ g_return_val_if_fail (GST_IS_RTSP_MEDIA (media), NULL);
+ g_return_val_if_fail (GST_IS_ELEMENT (payloader), NULL);
+ g_return_val_if_fail (GST_IS_PAD (pad), NULL);
+ g_return_val_if_fail (GST_PAD_IS_SRC (pad), NULL);
+
+ g_mutex_lock (&media->lock);
+ idx = media->streams->len;
+
+ name = g_strdup_printf ("src_%u", idx);
+ srcpad = gst_ghost_pad_new (name, pad);
+ gst_pad_set_active (srcpad, TRUE);
+ gst_element_add_pad (media->element, srcpad);
+ g_free (name);
+
+ stream = gst_rtsp_stream_new (idx, payloader, srcpad);
+ if (media->pool)
+ gst_rtsp_stream_set_address_pool (stream, media->pool);
+
+ g_ptr_array_add (media->streams, stream);
+ g_mutex_unlock (&media->lock);
+
+ g_signal_emit (media, gst_rtsp_media_signals[SIGNAL_NEW_STREAM], 0, stream,
+ NULL);
+
+ return stream;
+}
/**
* gst_rtsp_media_n_streams:
guint
gst_rtsp_media_n_streams (GstRTSPMedia * media)
{
+ guint res;
+
g_return_val_if_fail (GST_IS_RTSP_MEDIA (media), 0);
- return media->streams->len;
+ g_mutex_lock (&media->lock);
+ res = media->streams->len;
+ g_mutex_unlock (&media->lock);
+
+ return res;
}
/**
*
* Retrieve the stream with index @idx from @media.
*
- * Returns: the #GstRTSPMediaStream at index @idx or %NULL when a stream with
+ * Returns: (transfer none): the #GstRTSPStream at index @idx or %NULL when a stream with
* that index did not exist.
*/
-GstRTSPMediaStream *
+GstRTSPStream *
gst_rtsp_media_get_stream (GstRTSPMedia * media, guint idx)
{
- GstRTSPMediaStream *res;
+ GstRTSPStream *res;
g_return_val_if_fail (GST_IS_RTSP_MEDIA (media), NULL);
+ g_mutex_lock (&media->lock);
if (idx < media->streams->len)
- res = g_array_index (media->streams, GstRTSPMediaStream *, idx);
+ res = g_ptr_array_index (media->streams, idx);
else
res = NULL;
+ g_mutex_unlock (&media->lock);
return res;
}
gchar *result;
GstRTSPTimeRange range;
+ g_mutex_lock (&media->lock);
/* make copy */
range = media->range;
- if (!play && media->active > 0) {
+ if (!play && media->n_active > 0) {
range.min.type = GST_RTSP_TIME_NOW;
range.min.seconds = -1;
}
+ g_mutex_unlock (&media->lock);
result = gst_rtsp_range_to_string (&range);
g_return_val_if_fail (GST_IS_RTSP_MEDIA (media), FALSE);
g_return_val_if_fail (range != NULL, FALSE);
- if (media->seekable) {
- GST_INFO ("pipeline is not seekable");
- return TRUE;
- }
+ g_rec_mutex_lock (&media->state_lock);
+ if (!media->seekable)
+ goto not_seekable;
if (range->unit != GST_RTSP_RANGE_NPT)
goto not_supported;
GST_INFO ("no seek needed");
res = TRUE;
}
+ g_rec_mutex_unlock (&media->state_lock);
return res;
/* ERRORS */
+not_seekable:
+ {
+ g_rec_mutex_unlock (&media->state_lock);
+ GST_INFO ("pipeline is not seekable");
+ return TRUE;
+ }
not_supported:
{
+ g_rec_mutex_unlock (&media->state_lock);
GST_WARNING ("seek unit %d not supported", range->unit);
return FALSE;
}
weird_type:
{
+ g_rec_mutex_unlock (&media->state_lock);
GST_WARNING ("weird range type %d not supported", range->min.type);
return FALSE;
}
}
-/**
- * gst_rtsp_media_stream_rtp:
- * @stream: a #GstRTSPMediaStream
- * @buffer: a #GstBuffer
- *
- * Handle an RTP buffer for the stream. This method is usually called when a
- * message has been received from a client using the TCP transport.
- *
- * This function takes ownership of @buffer.
- *
- * Returns: a GstFlowReturn.
- */
-GstFlowReturn
-gst_rtsp_media_stream_rtp (GstRTSPMediaStream * stream, GstBuffer * buffer)
-{
- GstFlowReturn ret;
-
- ret = gst_app_src_push_buffer (GST_APP_SRC_CAST (stream->appsrc[0]), buffer);
-
- return ret;
-}
-
-/**
- * gst_rtsp_media_stream_rtcp:
- * @stream: a #GstRTSPMediaStream
- * @buffer: a #GstBuffer
- *
- * Handle an RTCP buffer for the stream. This method is usually called when a
- * message has been received from a client using the TCP transport.
- *
- * This function takes ownership of @buffer.
- *
- * Returns: a GstFlowReturn.
- */
-GstFlowReturn
-gst_rtsp_media_stream_rtcp (GstRTSPMediaStream * stream, GstBuffer * buffer)
-{
- GstFlowReturn ret;
-
- ret = gst_app_src_push_buffer (GST_APP_SRC_CAST (stream->appsrc[1]), buffer);
-
- return ret;
-}
-
-/* Allocate the udp ports and sockets */
-static gboolean
-alloc_udp_ports (GstRTSPMedia * media, GstRTSPMediaStream * stream)
-{
- GstStateChangeReturn ret;
- GstElement *udpsrc0, *udpsrc1;
- GstElement *udpsink0, *udpsink1;
- gint tmp_rtp, tmp_rtcp;
- guint count;
- gint rtpport, rtcpport;
- GSocket *socket;
- const gchar *host;
-
- udpsrc0 = NULL;
- udpsrc1 = NULL;
- udpsink0 = NULL;
- udpsink1 = NULL;
- count = 0;
-
- /* Start with random port */
- tmp_rtp = 0;
-
- if (media->is_ipv6)
- host = "udp://[::0]";
- else
- host = "udp://0.0.0.0";
-
- /* try to allocate 2 UDP ports, the RTP port should be an even
- * number and the RTCP port should be the next (uneven) port */
-again:
- udpsrc0 = gst_element_make_from_uri (GST_URI_SRC, host, NULL);
- if (udpsrc0 == NULL)
- goto no_udp_protocol;
- g_object_set (G_OBJECT (udpsrc0), "port", tmp_rtp, NULL);
-
- ret = gst_element_set_state (udpsrc0, GST_STATE_PAUSED);
- if (ret == GST_STATE_CHANGE_FAILURE) {
- if (tmp_rtp != 0) {
- tmp_rtp += 2;
- if (++count > 20)
- goto no_ports;
-
- gst_element_set_state (udpsrc0, GST_STATE_NULL);
- gst_object_unref (udpsrc0);
-
- goto again;
- }
- goto no_udp_protocol;
- }
-
- g_object_get (G_OBJECT (udpsrc0), "port", &tmp_rtp, NULL);
-
- /* check if port is even */
- if ((tmp_rtp & 1) != 0) {
- /* port not even, close and allocate another */
- if (++count > 20)
- goto no_ports;
-
- gst_element_set_state (udpsrc0, GST_STATE_NULL);
- gst_object_unref (udpsrc0);
-
- tmp_rtp++;
- goto again;
- }
-
- /* allocate port+1 for RTCP now */
- udpsrc1 = gst_element_make_from_uri (GST_URI_SRC, host, NULL);
- if (udpsrc1 == NULL)
- goto no_udp_rtcp_protocol;
-
- /* set port */
- tmp_rtcp = tmp_rtp + 1;
- g_object_set (G_OBJECT (udpsrc1), "port", tmp_rtcp, NULL);
-
- ret = gst_element_set_state (udpsrc1, GST_STATE_PAUSED);
- /* tmp_rtcp port is busy already : retry to make rtp/rtcp pair */
- if (ret == GST_STATE_CHANGE_FAILURE) {
-
- if (++count > 20)
- goto no_ports;
-
- gst_element_set_state (udpsrc0, GST_STATE_NULL);
- gst_object_unref (udpsrc0);
-
- gst_element_set_state (udpsrc1, GST_STATE_NULL);
- gst_object_unref (udpsrc1);
-
- tmp_rtp += 2;
- goto again;
- }
-
- /* all fine, do port check */
- g_object_get (G_OBJECT (udpsrc0), "port", &rtpport, NULL);
- g_object_get (G_OBJECT (udpsrc1), "port", &rtcpport, NULL);
-
- /* this should not happen... */
- if (rtpport != tmp_rtp || rtcpport != tmp_rtcp)
- goto port_error;
-
- udpsink0 = gst_element_factory_make ("multiudpsink", NULL);
- if (!udpsink0)
- goto no_udp_protocol;
-
- g_object_get (G_OBJECT (udpsrc0), "socket", &socket, NULL);
- g_object_set (G_OBJECT (udpsink0), "socket", socket, NULL);
- g_object_set (G_OBJECT (udpsink0), "close-socket", FALSE, NULL);
-
- udpsink1 = gst_element_factory_make ("multiudpsink", NULL);
- if (!udpsink1)
- goto no_udp_protocol;
-
- if (g_object_class_find_property (G_OBJECT_GET_CLASS (udpsink0),
- "send-duplicates")) {
- g_object_set (G_OBJECT (udpsink0), "send-duplicates", FALSE, NULL);
- g_object_set (G_OBJECT (udpsink1), "send-duplicates", FALSE, NULL);
- } else {
- g_warning
- ("old multiudpsink version found without send-duplicates property");
- }
-
- if (g_object_class_find_property (G_OBJECT_GET_CLASS (udpsink0),
- "buffer-size")) {
- g_object_set (G_OBJECT (udpsink0), "buffer-size", media->buffer_size, NULL);
- } else {
- GST_WARNING ("multiudpsink version found without buffer-size property");
- }
-
- g_object_get (G_OBJECT (udpsrc1), "socket", &socket, NULL);
- g_object_set (G_OBJECT (udpsink1), "socket", socket, NULL);
- g_object_set (G_OBJECT (udpsink1), "close-socket", FALSE, NULL);
- g_object_set (G_OBJECT (udpsink1), "sync", FALSE, NULL);
- g_object_set (G_OBJECT (udpsink1), "async", FALSE, NULL);
-
- g_object_set (G_OBJECT (udpsink0), "auto-multicast", FALSE, NULL);
- g_object_set (G_OBJECT (udpsink0), "loop", FALSE, NULL);
- g_object_set (G_OBJECT (udpsink1), "auto-multicast", FALSE, NULL);
- g_object_set (G_OBJECT (udpsink1), "loop", FALSE, NULL);
-
- /* we keep these elements, we configure all in configure_transport when the
- * server told us to really use the UDP ports. */
- stream->udpsrc[0] = udpsrc0;
- stream->udpsrc[1] = udpsrc1;
- stream->udpsink[0] = udpsink0;
- stream->udpsink[1] = udpsink1;
- stream->server_port.min = rtpport;
- stream->server_port.max = rtcpport;
-
- return TRUE;
-
- /* ERRORS */
-no_udp_protocol:
- {
- goto cleanup;
- }
-no_ports:
- {
- goto cleanup;
- }
-no_udp_rtcp_protocol:
- {
- goto cleanup;
- }
-port_error:
- {
- goto cleanup;
- }
-cleanup:
- {
- if (udpsrc0) {
- gst_element_set_state (udpsrc0, GST_STATE_NULL);
- gst_object_unref (udpsrc0);
- }
- if (udpsrc1) {
- gst_element_set_state (udpsrc1, GST_STATE_NULL);
- gst_object_unref (udpsrc1);
- }
- if (udpsink0) {
- gst_element_set_state (udpsink0, GST_STATE_NULL);
- gst_object_unref (udpsink0);
- }
- if (udpsink1) {
- gst_element_set_state (udpsink1, GST_STATE_NULL);
- gst_object_unref (udpsink1);
- }
- return FALSE;
- }
-}
-
-/* executed from streaming thread */
-static void
-caps_notify (GstPad * pad, GParamSpec * unused, GstRTSPMediaStream * stream)
-{
- gchar *capsstr;
- GstCaps *newcaps, *oldcaps;
-
- newcaps = gst_pad_get_current_caps (pad);
-
- oldcaps = stream->caps;
- stream->caps = newcaps;
-
- if (oldcaps)
- gst_caps_unref (oldcaps);
-
- capsstr = gst_caps_to_string (newcaps);
- GST_INFO ("stream %p received caps %p, %s", stream, newcaps, capsstr);
- g_free (capsstr);
-}
-
-static void
-dump_structure (const GstStructure * s)
-{
- gchar *sstr;
-
- sstr = gst_structure_to_string (s);
- GST_INFO ("structure: %s", sstr);
- g_free (sstr);
-}
-
-static GstRTSPMediaTrans *
-find_transport (GstRTSPMediaStream * stream, const gchar * rtcp_from)
-{
- GList *walk;
- GstRTSPMediaTrans *result = NULL;
- const gchar *tmp;
- gchar *dest;
- guint port;
-
- if (rtcp_from == NULL)
- return NULL;
-
- tmp = g_strrstr (rtcp_from, ":");
- if (tmp == NULL)
- return NULL;
-
- port = atoi (tmp + 1);
- dest = g_strndup (rtcp_from, tmp - rtcp_from);
-
- GST_INFO ("finding %s:%d", dest, port);
-
- for (walk = stream->transports; walk; walk = g_list_next (walk)) {
- GstRTSPMediaTrans *trans = walk->data;
- gint min, max;
-
- min = trans->transport->client_port.min;
- max = trans->transport->client_port.max;
-
- if ((strcmp (trans->transport->destination, dest) == 0) && (min == port
- || max == port)) {
- result = trans;
- break;
- }
- }
- g_free (dest);
-
- return result;
-}
-
-static void
-on_new_ssrc (GObject * session, GObject * source, GstRTSPMediaStream * stream)
-{
- GstStructure *stats;
- GstRTSPMediaTrans *trans;
-
- GST_INFO ("%p: new source %p", stream, source);
-
- /* see if we have a stream to match with the origin of the RTCP packet */
- trans = g_object_get_qdata (source, ssrc_stream_map_key);
- if (trans == NULL) {
- g_object_get (source, "stats", &stats, NULL);
- if (stats) {
- const gchar *rtcp_from;
-
- dump_structure (stats);
-
- rtcp_from = gst_structure_get_string (stats, "rtcp-from");
- if ((trans = find_transport (stream, rtcp_from))) {
- GST_INFO ("%p: found transport %p for source %p", stream, trans,
- source);
-
- /* keep ref to the source */
- trans->rtpsource = source;
-
- g_object_set_qdata (source, ssrc_stream_map_key, trans);
- }
- gst_structure_free (stats);
- }
- } else {
- GST_INFO ("%p: source %p for transport %p", stream, source, trans);
- }
-}
-
-static void
-on_ssrc_sdes (GObject * session, GObject * source, GstRTSPMediaStream * stream)
-{
- GST_INFO ("%p: new SDES %p", stream, source);
-}
-
-static void
-on_ssrc_active (GObject * session, GObject * source,
- GstRTSPMediaStream * stream)
-{
- GstRTSPMediaTrans *trans;
-
- trans = g_object_get_qdata (source, ssrc_stream_map_key);
-
- GST_INFO ("%p: source %p in transport %p is active", stream, source, trans);
-
- if (trans && trans->keep_alive)
- trans->keep_alive (trans->ka_user_data);
-
-#ifdef DUMP_STATS
- {
- GstStructure *stats;
- g_object_get (source, "stats", &stats, NULL);
- if (stats) {
- dump_structure (stats);
- gst_structure_free (stats);
- }
- }
-#endif
-}
-
-static void
-on_bye_ssrc (GObject * session, GObject * source, GstRTSPMediaStream * stream)
-{
- GST_INFO ("%p: source %p bye", stream, source);
-}
-
-static void
-on_bye_timeout (GObject * session, GObject * source,
- GstRTSPMediaStream * stream)
-{
- GstRTSPMediaTrans *trans;
-
- GST_INFO ("%p: source %p bye timeout", stream, source);
-
- if ((trans = g_object_get_qdata (source, ssrc_stream_map_key))) {
- trans->rtpsource = NULL;
- trans->timeout = TRUE;
- }
-}
-
-static void
-on_timeout (GObject * session, GObject * source, GstRTSPMediaStream * stream)
-{
- GstRTSPMediaTrans *trans;
-
- GST_INFO ("%p: source %p timeout", stream, source);
-
- if ((trans = g_object_get_qdata (source, ssrc_stream_map_key))) {
- trans->rtpsource = NULL;
- trans->timeout = TRUE;
- }
-}
-
-static GstFlowReturn
-handle_new_sample (GstAppSink * sink, gpointer user_data)
-{
- GList *walk;
- GstSample *sample;
- GstBuffer *buffer;
- GstRTSPMediaStream *stream;
-
- sample = gst_app_sink_pull_sample (sink);
- if (!sample)
- return GST_FLOW_OK;
-
- stream = (GstRTSPMediaStream *) user_data;
- buffer = gst_sample_get_buffer (sample);
-
- 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)
- tr->send_rtp (buffer, tr->transport->interleaved.min, tr->user_data);
- } else {
- if (tr->send_rtcp)
- tr->send_rtcp (buffer, tr->transport->interleaved.max, tr->user_data);
- }
- }
- gst_sample_unref (sample);
-
- return GST_FLOW_OK;
-}
-
-static GstAppSinkCallbacks sink_cb = {
- NULL, /* not interested in EOS */
- NULL, /* not interested in preroll samples */
- handle_new_sample,
-};
-
-/* prepare the pipeline objects to handle @stream in @media */
-static gboolean
-setup_stream (GstRTSPMediaStream * stream, guint idx, GstRTSPMedia * media)
-{
- gchar *name;
- GstPad *pad, *teepad, *queuepad, *selpad;
- GstPadLinkReturn ret;
- gint i;
-
- /* allocate udp ports, we will have 4 of them, 2 for receiving RTP/RTCP and 2
- * for sending RTP/RTCP. The sender and receiver ports are shared between the
- * elements */
- if (!alloc_udp_ports (media, stream))
- return FALSE;
-
- /* add the ports to the pipeline */
- for (i = 0; i < 2; i++) {
- gst_bin_add (GST_BIN_CAST (media->pipeline), stream->udpsink[i]);
- gst_bin_add (GST_BIN_CAST (media->pipeline), stream->udpsrc[i]);
- }
-
- /* create elements for the TCP transfer */
- for (i = 0; i < 2; i++) {
- stream->appsrc[i] = gst_element_factory_make ("appsrc", NULL);
- stream->appqueue[i] = gst_element_factory_make ("queue", NULL);
- stream->appsink[i] = gst_element_factory_make ("appsink", NULL);
- g_object_set (stream->appsink[i], "async", FALSE, "sync", FALSE, NULL);
- g_object_set (stream->appsink[i], "emit-signals", FALSE, NULL);
- gst_bin_add (GST_BIN_CAST (media->pipeline), stream->appqueue[i]);
- gst_bin_add (GST_BIN_CAST (media->pipeline), stream->appsink[i]);
- gst_bin_add (GST_BIN_CAST (media->pipeline), stream->appsrc[i]);
- gst_app_sink_set_callbacks (GST_APP_SINK_CAST (stream->appsink[i]),
- &sink_cb, stream, NULL);
- }
-
- /* hook up the stream to the RTP session elements. */
- name = g_strdup_printf ("send_rtp_sink_%u", idx);
- stream->send_rtp_sink = gst_element_get_request_pad (media->rtpbin, name);
- g_free (name);
- name = g_strdup_printf ("send_rtp_src_%u", idx);
- stream->send_rtp_src = gst_element_get_static_pad (media->rtpbin, name);
- g_free (name);
- name = g_strdup_printf ("send_rtcp_src_%u", idx);
- stream->send_rtcp_src = gst_element_get_request_pad (media->rtpbin, name);
- g_free (name);
- name = g_strdup_printf ("recv_rtcp_sink_%u", idx);
- stream->recv_rtcp_sink = gst_element_get_request_pad (media->rtpbin, name);
- g_free (name);
- name = g_strdup_printf ("recv_rtp_sink_%u", idx);
- stream->recv_rtp_sink = gst_element_get_request_pad (media->rtpbin, name);
- g_free (name);
-
- /* get the session */
- g_signal_emit_by_name (media->rtpbin, "get-internal-session", idx,
- &stream->session);
-
- g_signal_connect (stream->session, "on-new-ssrc", (GCallback) on_new_ssrc,
- stream);
- g_signal_connect (stream->session, "on-ssrc-sdes", (GCallback) on_ssrc_sdes,
- stream);
- g_signal_connect (stream->session, "on-ssrc-active",
- (GCallback) on_ssrc_active, stream);
- g_signal_connect (stream->session, "on-bye-ssrc", (GCallback) on_bye_ssrc,
- stream);
- g_signal_connect (stream->session, "on-bye-timeout",
- (GCallback) on_bye_timeout, stream);
- g_signal_connect (stream->session, "on-timeout", (GCallback) on_timeout,
- stream);
-
- /* link the RTP pad to the session manager */
- ret = gst_pad_link (stream->srcpad, stream->send_rtp_sink);
- if (ret != GST_PAD_LINK_OK)
- goto link_failed;
-
- /* make tee for RTP and link to stream */
- stream->tee[0] = gst_element_factory_make ("tee", NULL);
- gst_bin_add (GST_BIN_CAST (media->pipeline), stream->tee[0]);
-
- pad = gst_element_get_static_pad (stream->tee[0], "sink");
- gst_pad_link (stream->send_rtp_src, pad);
- gst_object_unref (pad);
-
- /* link RTP sink, we're pretty sure this will work. */
- teepad = gst_element_get_request_pad (stream->tee[0], "src_%u");
- pad = gst_element_get_static_pad (stream->udpsink[0], "sink");
- gst_pad_link (teepad, pad);
- gst_object_unref (pad);
- gst_object_unref (teepad);
-
- teepad = gst_element_get_request_pad (stream->tee[0], "src_%u");
- pad = gst_element_get_static_pad (stream->appqueue[0], "sink");
- gst_pad_link (teepad, pad);
- gst_object_unref (pad);
- gst_object_unref (teepad);
-
- queuepad = gst_element_get_static_pad (stream->appqueue[0], "src");
- pad = gst_element_get_static_pad (stream->appsink[0], "sink");
- gst_pad_link (queuepad, pad);
- gst_object_unref (pad);
- gst_object_unref (queuepad);
-
- /* make tee for RTCP */
- stream->tee[1] = gst_element_factory_make ("tee", NULL);
- gst_bin_add (GST_BIN_CAST (media->pipeline), stream->tee[1]);
-
- pad = gst_element_get_static_pad (stream->tee[1], "sink");
- gst_pad_link (stream->send_rtcp_src, pad);
- gst_object_unref (pad);
-
- /* link RTCP elements */
- teepad = gst_element_get_request_pad (stream->tee[1], "src_%u");
- pad = gst_element_get_static_pad (stream->udpsink[1], "sink");
- gst_pad_link (teepad, pad);
- gst_object_unref (pad);
- gst_object_unref (teepad);
-
- teepad = gst_element_get_request_pad (stream->tee[1], "src_%u");
- pad = gst_element_get_static_pad (stream->appqueue[1], "sink");
- gst_pad_link (teepad, pad);
- gst_object_unref (pad);
- gst_object_unref (teepad);
-
- queuepad = gst_element_get_static_pad (stream->appqueue[1], "src");
- pad = gst_element_get_static_pad (stream->appsink[1], "sink");
- gst_pad_link (queuepad, pad);
- gst_object_unref (pad);
- gst_object_unref (queuepad);
-
- /* make selector for the RTP receivers */
- stream->selector[0] = gst_element_factory_make ("funnel", NULL);
- gst_bin_add (GST_BIN_CAST (media->pipeline), stream->selector[0]);
-
- pad = gst_element_get_static_pad (stream->selector[0], "src");
- gst_pad_link (pad, stream->recv_rtp_sink);
- gst_object_unref (pad);
-
- selpad = gst_element_get_request_pad (stream->selector[0], "sink_%u");
- pad = gst_element_get_static_pad (stream->udpsrc[0], "src");
- gst_pad_link (pad, selpad);
- gst_object_unref (pad);
- gst_object_unref (selpad);
-
- selpad = gst_element_get_request_pad (stream->selector[0], "sink_%u");
- pad = gst_element_get_static_pad (stream->appsrc[0], "src");
- gst_pad_link (pad, selpad);
- gst_object_unref (pad);
- gst_object_unref (selpad);
-
- /* make selector for the RTCP receivers */
- stream->selector[1] = gst_element_factory_make ("funnel", NULL);
- gst_bin_add (GST_BIN_CAST (media->pipeline), stream->selector[1]);
-
- pad = gst_element_get_static_pad (stream->selector[1], "src");
- gst_pad_link (pad, stream->recv_rtcp_sink);
- gst_object_unref (pad);
-
- selpad = gst_element_get_request_pad (stream->selector[1], "sink_%u");
- pad = gst_element_get_static_pad (stream->udpsrc[1], "src");
- gst_pad_link (pad, selpad);
- gst_object_unref (pad);
- gst_object_unref (selpad);
-
- selpad = gst_element_get_request_pad (stream->selector[1], "sink_%u");
- pad = gst_element_get_static_pad (stream->appsrc[1], "src");
- gst_pad_link (pad, selpad);
- gst_object_unref (pad);
- gst_object_unref (selpad);
-
- /* we set and keep these to playing so that they don't cause NO_PREROLL return
- * values */
- gst_element_set_state (stream->udpsrc[0], GST_STATE_PLAYING);
- gst_element_set_state (stream->udpsrc[1], GST_STATE_PLAYING);
- gst_element_set_locked_state (stream->udpsrc[0], TRUE);
- gst_element_set_locked_state (stream->udpsrc[1], TRUE);
-
- /* be notified of caps changes */
- stream->caps_sig = g_signal_connect (stream->send_rtp_sink, "notify::caps",
- (GCallback) caps_notify, stream);
-
- stream->prepared = TRUE;
-
- return TRUE;
-
- /* ERRORS */
-link_failed:
- {
- GST_WARNING ("failed to link stream %d", idx);
- return FALSE;
- }
-}
-
-static void
-unlock_streams (GstRTSPMedia * media)
-{
- guint i, n_streams;
-
- /* unlock the udp src elements */
- n_streams = gst_rtsp_media_n_streams (media);
- for (i = 0; i < n_streams; i++) {
- GstRTSPMediaStream *stream;
-
- stream = gst_rtsp_media_get_stream (media, i);
-
- gst_element_set_locked_state (stream->udpsrc[0], FALSE);
- gst_element_set_locked_state (stream->udpsrc[1], FALSE);
- }
-}
-
static void
gst_rtsp_media_set_status (GstRTSPMedia * media, GstRTSPMediaStatus status)
{
return result;
}
+/* called with state-lock */
static gboolean
default_handle_message (GstRTSPMedia * media, GstMessage * message)
{
break;
case GST_MESSAGE_EOS:
GST_INFO ("%p: got EOS", media);
- if (media->eos_pending) {
+
+ if (media->status == GST_RTSP_MEDIA_STATUS_UNPREPARING) {
GST_DEBUG ("shutting down after EOS");
- gst_element_set_state (media->pipeline, GST_STATE_NULL);
- media->eos_pending = FALSE;
+ finish_unprepare (media);
g_object_unref (media);
}
break;
klass = GST_RTSP_MEDIA_GET_CLASS (media);
+ g_rec_mutex_lock (&media->state_lock);
if (klass->handle_message)
ret = klass->handle_message (media, message);
else
ret = FALSE;
+ g_rec_mutex_unlock (&media->state_lock);
return ret;
}
+static void
+watch_destroyed (GstRTSPMedia * media)
+{
+ GST_DEBUG_OBJECT (media, "source destroyed");
+ gst_object_unref (media);
+}
+
/* called from streaming threads */
static void
pad_added_cb (GstElement * element, GstPad * pad, GstRTSPMedia * media)
{
- GstRTSPMediaStream *stream;
- gchar *name;
- gint i;
+ GstRTSPStream *stream;
- i = media->streams->len + 1;
+ /* FIXME, element is likely not a payloader, find the payloader here */
+ stream = gst_rtsp_media_create_stream (media, element, pad);
- GST_INFO ("pad added %s:%s, stream %d", GST_DEBUG_PAD_NAME (pad), i);
-
- stream = g_new0 (GstRTSPMediaStream, 1);
- stream->payloader = element;
-
- name = g_strdup_printf ("dynpay%d", i);
+ GST_INFO ("pad added %s:%s, stream %d", GST_DEBUG_PAD_NAME (pad),
+ stream->idx);
+ g_rec_mutex_lock (&media->state_lock);
+ /* we will be adding elements below that will cause ASYNC_DONE to be
+ * posted in the bus. We want to ignore those messages until the
+ * pipeline really prerolled. */
media->adding = TRUE;
- /* ghost the pad of the payloader to the element */
- stream->srcpad = gst_ghost_pad_new (name, pad);
- gst_pad_set_active (stream->srcpad, TRUE);
- gst_element_add_pad (media->element, stream->srcpad);
- g_free (name);
+ /* join the element in the PAUSED state because this callback is
+ * called from the streaming thread and it is PAUSED */
+ gst_rtsp_stream_join_bin (stream, GST_BIN (media->pipeline),
+ media->rtpbin, GST_STATE_PAUSED);
- /* add stream now */
- g_array_append_val (media->streams, stream);
-
- setup_stream (stream, i, media);
-
- for (i = 0; i < 2; i++) {
- gst_element_set_state (stream->udpsink[i], GST_STATE_PAUSED);
- gst_element_set_state (stream->appsink[i], GST_STATE_PAUSED);
- gst_element_set_state (stream->appqueue[i], GST_STATE_PAUSED);
- gst_element_set_state (stream->tee[i], GST_STATE_PAUSED);
- gst_element_set_state (stream->selector[i], GST_STATE_PAUSED);
- gst_element_set_state (stream->appsrc[i], GST_STATE_PAUSED);
- }
media->adding = FALSE;
+ g_rec_mutex_unlock (&media->state_lock);
}
static void
no_more_pads_cb (GstElement * element, GstRTSPMedia * media)
{
+ GstElement *fakesink;
+
+ g_mutex_lock (&media->lock);
GST_INFO ("no more pads");
- if (media->fakesink) {
- gst_object_ref (media->fakesink);
- gst_bin_remove (GST_BIN (media->pipeline), media->fakesink);
- gst_element_set_state (media->fakesink, GST_STATE_NULL);
- gst_object_unref (media->fakesink);
+ if ((fakesink = media->fakesink)) {
+ gst_object_ref (fakesink);
media->fakesink = NULL;
+ g_mutex_unlock (&media->lock);
+
+ gst_bin_remove (GST_BIN (media->pipeline), fakesink);
+ gst_element_set_state (fakesink, GST_STATE_NULL);
+ gst_object_unref (fakesink);
GST_INFO ("removed fakesink");
}
}
{
GstStateChangeReturn ret;
GstRTSPMediaStatus status;
- guint i, n_streams;
+ guint i;
GstRTSPMediaClass *klass;
GstBus *bus;
GList *walk;
+ g_rec_mutex_lock (&media->state_lock);
if (media->status == GST_RTSP_MEDIA_STATUS_PREPARED)
goto was_prepared;
+ if (media->status == GST_RTSP_MEDIA_STATUS_PREPARING)
+ goto wait_status;
+
+ if (media->status != GST_RTSP_MEDIA_STATUS_UNPREPARED)
+ goto not_unprepared;
+
if (!media->reusable && media->reused)
goto is_reused;
media->source = gst_bus_create_watch (bus);
gst_object_unref (bus);
- g_source_set_callback (media->source, (GSourceFunc) bus_message, media, NULL);
+ g_source_set_callback (media->source, (GSourceFunc) bus_message,
+ gst_object_ref (media), (GDestroyNotify) watch_destroyed);
klass = GST_RTSP_MEDIA_GET_CLASS (media);
media->id = g_source_attach (media->source, klass->context);
/* link streams we already have, other streams might appear when we have
* dynamic elements */
- n_streams = gst_rtsp_media_n_streams (media);
- for (i = 0; i < n_streams; i++) {
- GstRTSPMediaStream *stream;
+ for (i = 0; i < media->streams->len; i++) {
+ GstRTSPStream *stream;
- stream = gst_rtsp_media_get_stream (media, i);
+ stream = g_ptr_array_index (media->streams, i);
- setup_stream (stream, i, media);
+ gst_rtsp_stream_join_bin (stream, GST_BIN (media->pipeline),
+ media->rtpbin, GST_STATE_NULL);
}
for (walk = media->dynamic; walk; walk = g_list_next (walk)) {
/* we need to go to PLAYING */
GST_INFO ("NO_PREROLL state change: live media %p", media);
/* FIXME we disable seeking for live streams for now. We should perform a
- * seeking query in preroll instead and do a seeking query. */
+ * seeking query in preroll instead */
media->seekable = FALSE;
media->is_live = TRUE;
ret = gst_element_set_state (media->pipeline, GST_STATE_PLAYING);
case GST_STATE_CHANGE_FAILURE:
goto state_failed;
}
+wait_status:
+ g_rec_mutex_unlock (&media->state_lock);
- /* now wait for all pads to be prerolled */
+ /* now wait for all pads to be prerolled, FIXME, we should somehow be
+ * able to do this async so that we don't block the server thread. */
status = gst_rtsp_media_get_status (media);
if (status == GST_RTSP_MEDIA_STATUS_ERROR)
goto state_failed;
/* OK */
was_prepared:
{
+ GST_LOG ("media %p was prepared", media);
+ g_rec_mutex_unlock (&media->state_lock);
return TRUE;
}
/* ERRORS */
+not_unprepared:
+ {
+ GST_WARNING ("media %p was not unprepared", media);
+ g_rec_mutex_unlock (&media->state_lock);
+ return FALSE;
+ }
is_reused:
{
+ g_rec_mutex_unlock (&media->state_lock);
GST_WARNING ("can not reuse media %p", media);
return FALSE;
}
no_rtpbin:
{
+ g_rec_mutex_unlock (&media->state_lock);
GST_WARNING ("no rtpbin element");
g_warning ("failed to create element 'rtpbin', check your installation");
return FALSE;
state_failed:
{
GST_WARNING ("failed to preroll pipeline");
- unlock_streams (media);
- gst_element_set_state (media->pipeline, GST_STATE_NULL);
gst_rtsp_media_unprepare (media);
+ g_rec_mutex_unlock (&media->state_lock);
return FALSE;
}
}
-/**
- * gst_rtsp_media_unprepare:
- * @media: a #GstRTSPMedia
- *
- * Unprepare @media. After this call, the media should be prepared again before
- * it can be used again. If the media is set to be non-reusable, a new instance
- * must be created.
- *
- * Returns: %TRUE on success.
- */
-gboolean
-gst_rtsp_media_unprepare (GstRTSPMedia * media)
+/* must be called with state-lock */
+static void
+finish_unprepare (GstRTSPMedia * media)
{
- GstRTSPMediaClass *klass;
- gboolean success;
+ gint i;
- if (media->status == GST_RTSP_MEDIA_STATUS_UNPREPARED)
- return TRUE;
+ GST_DEBUG ("shutting down");
- GST_INFO ("unprepare media %p", media);
- media->target_state = GST_STATE_NULL;
+ gst_element_set_state (media->pipeline, GST_STATE_NULL);
- klass = GST_RTSP_MEDIA_GET_CLASS (media);
- if (klass->unprepare)
- success = klass->unprepare (media);
- else
- success = TRUE;
+ for (i = 0; i < media->streams->len; i++) {
+ GstRTSPStream *stream;
+
+ GST_INFO ("Removing elements of stream %d from pipeline", i);
+
+ stream = g_ptr_array_index (media->streams, i);
+
+ gst_rtsp_stream_leave_bin (stream, GST_BIN (media->pipeline),
+ media->rtpbin);
+ }
+ g_ptr_array_set_size (media->streams, 0);
+
+ gst_bin_remove (GST_BIN (media->pipeline), media->rtpbin);
+ media->rtpbin = NULL;
+
+ gst_object_unref (media->pipeline);
+ media->pipeline = NULL;
- media->status = GST_RTSP_MEDIA_STATUS_UNPREPARED;
media->reused = TRUE;
+ media->status = GST_RTSP_MEDIA_STATUS_UNPREPARED;
/* when the media is not reusable, this will effectively unref the media and
* recreate it */
g_signal_emit (media, gst_rtsp_media_signals[SIGNAL_UNPREPARED], 0, NULL);
-
- return success;
}
+/* called with state-lock */
static gboolean
default_unprepare (GstRTSPMedia * media)
{
GST_DEBUG ("sending EOS for shutdown");
/* ref so that we don't disappear */
g_object_ref (media);
- media->eos_pending = TRUE;
gst_element_send_event (media->pipeline, gst_event_new_eos ());
/* we need to go to playing again for the EOS to propagate, normally in this
* state, nothing is receiving data from us anymore so this is ok. */
gst_element_set_state (media->pipeline, GST_STATE_PLAYING);
+ media->status = GST_RTSP_MEDIA_STATUS_UNPREPARING;
} else {
- GST_DEBUG ("shutting down");
- gst_element_set_state (media->pipeline, GST_STATE_NULL);
+ finish_unprepare (media);
}
return TRUE;
}
-static void
-add_udp_destination (GstRTSPMedia * media, GstRTSPMediaStream * stream,
- gchar * dest, gint min, gint max)
+/**
+ * gst_rtsp_media_unprepare:
+ * @media: a #GstRTSPMedia
+ *
+ * Unprepare @media. After this call, the media should be prepared again before
+ * it can be used again. If the media is set to be non-reusable, a new instance
+ * must be created.
+ *
+ * Returns: %TRUE on success.
+ */
+gboolean
+gst_rtsp_media_unprepare (GstRTSPMedia * media)
{
- GST_INFO ("adding %s:%d-%d", dest, min, max);
- g_signal_emit_by_name (stream->udpsink[0], "add", dest, min, NULL);
- g_signal_emit_by_name (stream->udpsink[1], "add", dest, max, NULL);
-}
+ gboolean success;
-static void
-remove_udp_destination (GstRTSPMedia * media, GstRTSPMediaStream * stream,
- gchar * dest, gint min, gint max)
-{
- GST_INFO ("removing %s:%d-%d", dest, min, max);
- g_signal_emit_by_name (stream->udpsink[0], "remove", dest, min, NULL);
- g_signal_emit_by_name (stream->udpsink[1], "remove", dest, max, NULL);
+ g_rec_mutex_lock (&media->state_lock);
+ if (media->status == GST_RTSP_MEDIA_STATUS_UNPREPARED)
+ goto was_unprepared;
+
+ GST_INFO ("unprepare media %p", media);
+ media->target_state = GST_STATE_NULL;
+ success = TRUE;
+
+ if (media->status == GST_RTSP_MEDIA_STATUS_PREPARED) {
+ GstRTSPMediaClass *klass;
+
+ klass = GST_RTSP_MEDIA_GET_CLASS (media);
+ if (klass->unprepare)
+ success = klass->unprepare (media);
+ } else {
+ finish_unprepare (media);
+ }
+ if (media->source) {
+ g_source_destroy (media->source);
+ g_source_unref (media->source);
+ media->source = NULL;
+ }
+ g_rec_mutex_unlock (&media->state_lock);
+
+ return success;
+
+was_unprepared:
+ {
+ g_rec_mutex_unlock (&media->state_lock);
+ GST_INFO ("media %p was already unprepared", media);
+ return TRUE;
+ }
}
/**
* gst_rtsp_media_set_state:
* @media: a #GstRTSPMedia
* @state: the target state of the media
- * @transports: a #GArray of #GstRTSPMediaTrans pointers
+ * @transports: a #GPtrArray of #GstRTSPStreamTransport pointers
*
* Set the state of @media to @state and for the transports in @transports.
*
*/
gboolean
gst_rtsp_media_set_state (GstRTSPMedia * media, GstState state,
- GArray * transports)
+ GPtrArray * transports)
{
gint i;
gboolean add, remove, do_state;
g_return_val_if_fail (GST_IS_RTSP_MEDIA (media), FALSE);
g_return_val_if_fail (transports != NULL, FALSE);
+ g_rec_mutex_lock (&media->state_lock);
+
/* NULL and READY are the same */
if (state == GST_STATE_READY)
state = GST_STATE_NULL;
switch (state) {
case GST_STATE_NULL:
- /* unlock the streams so that they follow the state changes from now on */
- unlock_streams (media);
- /* fallthrough */
case GST_STATE_PAUSED:
/* we're going from PLAYING to PAUSED, READY or NULL, remove */
if (media->target_state == GST_STATE_PLAYING)
default:
break;
}
- old_active = media->active;
+ old_active = media->n_active;
for (i = 0; i < transports->len; i++) {
- GstRTSPMediaTrans *tr;
- GstRTSPMediaStream *stream;
- GstRTSPTransport *trans;
+ GstRTSPStreamTransport *trans;
/* we need a non-NULL entry in the array */
- tr = g_array_index (transports, GstRTSPMediaTrans *, i);
- if (tr == NULL)
+ trans = g_ptr_array_index (transports, i);
+ if (trans == NULL)
continue;
/* we need a transport */
- if (!(trans = tr->transport))
+ if (!trans->transport)
continue;
- /* get the stream and add the destinations */
- stream = gst_rtsp_media_get_stream (media, tr->idx);
- switch (trans->lower_transport) {
- case GST_RTSP_LOWER_TRANS_UDP:
- case GST_RTSP_LOWER_TRANS_UDP_MCAST:
- {
- gchar *dest;
- gint min, max;
-
- dest = trans->destination;
- if (trans->lower_transport == GST_RTSP_LOWER_TRANS_UDP_MCAST) {
- min = trans->port.min;
- max = trans->port.max;
- } else {
- min = trans->client_port.min;
- max = trans->client_port.max;
- }
-
- if (add && !tr->active) {
- add_udp_destination (media, stream, dest, min, max);
- stream->transports = g_list_prepend (stream->transports, tr);
- tr->active = TRUE;
- media->active++;
- } else if (remove && tr->active) {
- remove_udp_destination (media, stream, dest, min, max);
- stream->transports = g_list_remove (stream->transports, tr);
- tr->active = FALSE;
- media->active--;
- }
- break;
- }
- case GST_RTSP_LOWER_TRANS_TCP:
- if (add && !tr->active) {
- GST_INFO ("adding TCP %s", trans->destination);
- stream->transports = g_list_prepend (stream->transports, tr);
- tr->active = TRUE;
- media->active++;
- } else if (remove && tr->active) {
- GST_INFO ("removing TCP %s", trans->destination);
- stream->transports = g_list_remove (stream->transports, tr);
- tr->active = FALSE;
- media->active--;
- }
- break;
- default:
- GST_INFO ("Unknown transport %d", trans->lower_transport);
- break;
+ if (add) {
+ if (gst_rtsp_stream_add_transport (trans->stream, trans))
+ media->n_active++;
+ } else if (remove) {
+ if (gst_rtsp_stream_remove_transport (trans->stream, trans))
+ media->n_active--;
}
}
if (old_active == 0 && add)
do_state = TRUE;
/* if we have no more active media, do the downward state changes */
- else if (media->active == 0)
+ else if (media->n_active == 0)
do_state = TRUE;
else
do_state = FALSE;
- GST_INFO ("state %d active %d media %p do_state %d", state, media->active,
+ GST_INFO ("state %d active %d media %p do_state %d", state, media->n_active,
media, do_state);
if (media->target_state != state) {
/* remember where we are */
if (state != GST_STATE_NULL && (state == GST_STATE_PAUSED ||
- old_active != media->active))
+ old_active != media->n_active))
collect_media_stats (media);
- return TRUE;
-}
-
-/**
- * gst_rtsp_media_remove_elements:
- * @media: a #GstRTSPMedia
- *
- * Remove all elements and the pipeline controlled by @media.
- */
-void
-gst_rtsp_media_remove_elements (GstRTSPMedia * media)
-{
- gint i, j;
-
- unlock_streams (media);
-
- for (i = 0; i < media->streams->len; i++) {
- GstRTSPMediaStream *stream;
-
- GST_INFO ("Removing elements of stream %d from pipeline", i);
-
- stream = g_array_index (media->streams, GstRTSPMediaStream *, i);
+ g_rec_mutex_unlock (&media->state_lock);
- gst_pad_unlink (stream->srcpad, stream->send_rtp_sink);
-
- g_signal_handler_disconnect (stream->send_rtp_sink, stream->caps_sig);
-
- for (j = 0; j < 2; j++) {
- gst_element_set_state (stream->udpsrc[j], GST_STATE_NULL);
- gst_element_set_state (stream->udpsink[j], GST_STATE_NULL);
- gst_element_set_state (stream->appsrc[j], GST_STATE_NULL);
- gst_element_set_state (stream->appsink[j], GST_STATE_NULL);
- gst_element_set_state (stream->appqueue[j], GST_STATE_NULL);
- gst_element_set_state (stream->tee[j], GST_STATE_NULL);
- gst_element_set_state (stream->selector[j], GST_STATE_NULL);
-
- gst_bin_remove (GST_BIN (media->pipeline), stream->udpsrc[j]);
- gst_bin_remove (GST_BIN (media->pipeline), stream->udpsink[j]);
- gst_bin_remove (GST_BIN (media->pipeline), stream->appsrc[j]);
- gst_bin_remove (GST_BIN (media->pipeline), stream->appsink[j]);
- gst_bin_remove (GST_BIN (media->pipeline), stream->appqueue[j]);
- gst_bin_remove (GST_BIN (media->pipeline), stream->tee[j]);
- gst_bin_remove (GST_BIN (media->pipeline), stream->selector[j]);
- }
- if (stream->caps)
- gst_caps_unref (stream->caps);
- stream->caps = NULL;
- gst_rtsp_media_stream_free (stream);
- }
- g_array_remove_range (media->streams, 0, media->streams->len);
-
- gst_element_set_state (media->rtpbin, GST_STATE_NULL);
- gst_bin_remove (GST_BIN (media->pipeline), media->rtpbin);
-
- gst_object_unref (media->pipeline);
- media->pipeline = NULL;
+ return TRUE;
}
projects / platform / upstream / gstreamer.git / blobdiff