static void
_connection_failed (FsMsnConnection *connection, FsMsnStream *self)
{
FsMsnConference *conference = fs_msn_stream_get_conference (self, NULL);
if (!conference)
return;
GST_OBJECT_LOCK (conference);
self->priv->fd = -1;
GST_OBJECT_UNLOCK (conference);
gst_element_post_message (GST_ELEMENT (conference),
gst_message_new_element (GST_OBJECT (conference),
gst_structure_new ("farstream-component-state-changed",
"stream", FS_TYPE_STREAM, self,
"component", G_TYPE_UINT, 1,
"state", FS_TYPE_STREAM_STATE, FS_STREAM_STATE_FAILED,
NULL)));
fs_stream_emit_error (FS_STREAM (self), FS_ERROR_CONNECTION_FAILED,
"Could not establish streaming connection");
gst_object_unref (conference);
}
static void
_state_changed (FsStreamTransmitter *stream_transmitter,
guint component,
FsStreamState state,
gpointer user_data)
{
FsRtpStream *self = FS_RTP_STREAM (user_data);
FsRtpSession *session = fs_rtp_stream_get_session (self, NULL);
GstElement *conf = NULL;
if (!session)
return;
g_object_get (session, "conference", &conf, NULL);
gst_element_post_message (conf,
gst_message_new_element (GST_OBJECT (conf),
gst_structure_new ("farstream-component-state-changed",
"stream", FS_TYPE_STREAM, self,
"component", G_TYPE_UINT, component,
"state", FS_TYPE_STREAM_STATE, state,
NULL)));
gst_object_unref (conf);
g_object_unref (session);
if (component == 1 && state == FS_STREAM_STATE_FAILED)
fs_stream_emit_error (FS_STREAM (self), FS_ERROR_CONNECTION_FAILED,
"Could not establish connection on the RTP component");
}
static void
_substream_src_pad_added (FsRtpSubStream *substream, GstPad *pad,
FsCodec *codec, gpointer user_data)
{
FsStream *stream = FS_STREAM (user_data);
fs_stream_emit_src_pad_added (stream, pad, codec);
}
static void
fs_stream_finalize (GObject *obj)
{
FsStream *stream = FS_STREAM (obj);
g_list_free_full (stream->priv->src_pads, gst_object_unref);
g_mutex_clear (&stream->priv->mutex);
G_OBJECT_CLASS (fs_stream_parent_class)->finalize (obj);
}
static void
_substream_error (FsRtpSubStream *substream,
gint errorno,
gchar *error_msg,
gchar *debug_msg,
gpointer user_data)
{
FsStream *stream = FS_STREAM (user_data);
fs_stream_emit_error (stream, errorno, error_msg);
}
static void
_transmitter_error (
FsStreamTransmitter *stream_transmitter,
gint errorno,
gchar *error_msg,
gpointer user_data)
{
FsStream *stream = FS_STREAM (user_data);
fs_stream_emit_error (stream, errorno, error_msg);
}
static void
fs_stream_constructed (GObject *obj)
{
FsStream *stream = FS_STREAM (obj);
FsSession *session;
FsConference *conference;
g_object_get (stream, "session", &session, NULL);
g_object_get (session, "conference", &conference, NULL);
g_signal_connect_object (conference, "pad-removed",
G_CALLBACK (fs_stream_pad_removed), obj, G_CONNECT_SWAPPED);
g_object_unref (session);
g_object_unref (conference);
}
static void
_rtpbin_pad_blocked_callback (GstPad *pad, gboolean blocked, gpointer user_data)
{
FsRtpSubStream *substream = user_data;
GError *error = NULL;
GstElement *codecbin = NULL;
FsCodec *codec = NULL;
FsRtpSession *session;
if (fs_rtp_session_has_disposed_enter (substream->priv->session, NULL))
{
gst_pad_set_blocked_async (pad, FALSE, do_nothing_blocked_callback, NULL);
return;
}
if (fs_rtp_sub_stream_has_stopped_enter (substream))
{
gst_pad_set_blocked_async (pad, FALSE, do_nothing_blocked_callback, NULL);
fs_rtp_session_has_disposed_exit (substream->priv->session);
return;
}
g_object_ref (substream);
session = g_object_ref (substream->priv->session);
GST_DEBUG ("Substream blocked for codec change (session:%d SSRC:%x pt:%d)",
substream->priv->session->id, substream->ssrc, substream->pt);
gst_pad_set_blocked_async (pad, FALSE, do_nothing_blocked_callback, NULL);
g_signal_emit (substream, signals[GET_CODEC_BIN], 0,
substream->priv->stream, substream->codec, &codec, &error, &codecbin);
if (error)
goto error;
if (codecbin)
if (!fs_rtp_sub_stream_set_codecbin (substream, codec, codecbin, &error))
goto error;
out:
g_clear_error (&error);
fs_rtp_sub_stream_has_stopped_exit (substream);
fs_rtp_session_has_disposed_exit (substream->priv->session);
g_object_unref (substream);
g_object_unref (session);
return;
error:
{
gchar *str = g_strdup_printf ("Could not add the new recv codec bin for"
" ssrc %u and payload type %d to the state NULL", substream->ssrc,
substream->pt);
if (substream->priv->stream)
fs_stream_emit_error (FS_STREAM (substream->priv->stream),
FS_ERROR_CONSTRUCTION, str, error->message);
else
fs_session_emit_error (FS_SESSION (substream->priv->session),
FS_ERROR_CONSTRUCTION, str, error->message);
g_free (str);
}
goto out;
}
static void
_connected (
FsMsnConnection *connection,
guint fd,
gpointer user_data)
{
FsMsnStream *self = FS_MSN_STREAM (user_data);
GError *error = NULL;
GstPad *pad;
GstElement *fdelem;
int checkfd;
FsMsnConference *conference = fs_msn_stream_get_conference (self, NULL);
GstElement *codecbin = NULL;
GstElement *recv_valve = NULL;
GstElement *send_valve = NULL;
gboolean drop;
if (!conference)
goto error;
GST_DEBUG ("******** CONNECTED %d**********", fd);
gst_element_post_message (GST_ELEMENT (conference),
gst_message_new_element (GST_OBJECT (conference),
gst_structure_new ("farstream-component-state-changed",
"stream", FS_TYPE_STREAM, self,
"component", G_TYPE_UINT, 1,
"state", FS_TYPE_STREAM_STATE, FS_STREAM_STATE_READY,
NULL)));
if (self->priv->conference->max_direction == FS_DIRECTION_RECV)
codecbin = gst_parse_bin_from_description (
"fdsrc name=fdsrc do-timestamp=true ! mimdec ! valve name=recv_valve", TRUE, &error);
else
codecbin = gst_parse_bin_from_description (
"videoconvert ! videoscale ! mimenc name=enc !"
" fdsink name=fdsink sync=false async=false",
TRUE, &error);
if (!codecbin)
{
g_prefix_error (&error, "Error creating codecbin: ");
fs_stream_emit_error (FS_STREAM (self), FS_ERROR_CONSTRUCTION,
error->message);
g_clear_error (&error);
goto error;
}
/* So we don't require an unlreased gst-plugins-bad mimenc */
if (self->priv->conference->max_direction == FS_DIRECTION_SEND)
{
GstElement *mimenc = gst_bin_get_by_name (GST_BIN (codecbin), "enc");
if (g_object_class_find_property (
G_OBJECT_GET_CLASS (mimenc), "paused-mode"))
g_object_set (mimenc, "paused-mode", TRUE, NULL);
gst_object_unref (mimenc);
}
if (self->priv->conference->max_direction == FS_DIRECTION_RECV)
{
fdelem = gst_bin_get_by_name (GST_BIN (codecbin), "fdsrc");
gst_base_src_set_format (GST_BASE_SRC (fdelem), GST_FORMAT_TIME);
}
else
{
fdelem = gst_bin_get_by_name (GST_BIN (codecbin), "fdsink");
}
if (!fdelem)
{
fs_stream_emit_error (FS_STREAM (self), FS_ERROR_CONSTRUCTION,
"Could not get fd element");
goto error;
}
g_object_set (fdelem, "fd", fd, NULL);
g_object_get (fdelem, "fd", &checkfd, NULL);
gst_object_unref (fdelem);
if (fd != checkfd)
{
fs_stream_emit_error (FS_STREAM (self), FS_ERROR_INTERNAL,
"Could not set file descriptor");
goto error;
}
if (self->priv->conference->max_direction == FS_DIRECTION_RECV)
pad = gst_element_get_static_pad (codecbin, "src");
else
pad = gst_element_get_static_pad (codecbin, "sink");
if (!pad)
{
fs_stream_emit_error (FS_STREAM (self), FS_ERROR_CONSTRUCTION,
"Could not get codecbin pad");
goto error;
}
if (!gst_bin_add (GST_BIN (conference), codecbin))
{
gst_object_unref (pad);
fs_stream_emit_error (FS_STREAM (self), FS_ERROR_CONSTRUCTION,
"Could not add codecbin to the conference");
goto error;
}
GST_OBJECT_LOCK (conference);
self->priv->fd = fd;
self->priv->codecbin = gst_object_ref (codecbin);
GST_OBJECT_UNLOCK (conference);
if (self->priv->conference->max_direction == FS_DIRECTION_RECV)
{
FsCodec *mimic_codec;
GstPad *src_pad;
src_pad = gst_ghost_pad_new ("src_1_1_1", pad);
gst_object_unref (pad);
GST_OBJECT_LOCK (conference);
self->priv->src_pad = gst_object_ref (src_pad);
GST_OBJECT_UNLOCK (conference);
gst_pad_set_active (src_pad, TRUE);
if (!gst_element_add_pad (GST_ELEMENT (conference), src_pad))
{
fs_stream_emit_error (FS_STREAM (self), FS_ERROR_CONSTRUCTION,
"Could not add src_1_1_1 pad");
gst_object_unref (src_pad);
goto error;
}
recv_valve = gst_bin_get_by_name (GST_BIN (codecbin), "recv_valve");
if (!recv_valve)
{
fs_stream_emit_error (FS_STREAM (self), FS_ERROR_CONSTRUCTION,
"Could not get recv_valve");
gst_object_unref (src_pad);
goto error;
}
GST_OBJECT_LOCK (conference);
self->priv->recv_valve = gst_object_ref (recv_valve);
drop = !(self->priv->direction & FS_DIRECTION_RECV);
GST_OBJECT_UNLOCK (conference);
g_object_set (recv_valve, "drop", drop, NULL);
mimic_codec = fs_codec_new (0, "mimic",
FS_MEDIA_TYPE_VIDEO, 0);
fs_stream_emit_src_pad_added (FS_STREAM (self), src_pad, mimic_codec);
fs_codec_destroy (mimic_codec);
gst_object_unref (src_pad);
}
else
{
GstPad *valvepad;
GST_OBJECT_LOCK (conference);
if (self->priv->session->valve)
send_valve = gst_object_ref (self->priv->session->valve);
GST_OBJECT_UNLOCK (conference);
if (!send_valve)
{
fs_stream_emit_error (FS_STREAM (self), FS_ERROR_DISPOSED,
"Session was disposed");
goto error;
}
valvepad = gst_element_get_static_pad (send_valve, "src");
if (!valvepad)
{
gst_object_unref (pad);
fs_stream_emit_error (FS_STREAM (self), FS_ERROR_CONSTRUCTION,
"Could not get valve sink pad");
goto error;
}
if (GST_PAD_LINK_FAILED (gst_pad_link (valvepad, pad)))
{
gst_object_unref (valvepad);
gst_object_unref (pad);
fs_stream_emit_error (FS_STREAM (self), FS_ERROR_CONSTRUCTION,
"Could not link valve to codec bin");
goto error;
}
gst_object_unref (valvepad);
gst_object_unref (pad);
}
if (!gst_element_sync_state_with_parent (codecbin))
{
fs_stream_emit_error (FS_STREAM (self), FS_ERROR_CONSTRUCTION,
"Could not start codec bin");
goto error;
}
if (self->priv->conference->max_direction == FS_DIRECTION_SEND)
{
GST_OBJECT_LOCK (conference);
fs_msn_stream_set_tos_locked (self, self->priv->tos);
drop = !(self->priv->direction & FS_DIRECTION_SEND);
GST_OBJECT_UNLOCK (conference);
g_object_set (send_valve, "drop", drop, NULL);
}
error:
if (send_valve)
gst_object_unref (send_valve);
if (recv_valve)
gst_object_unref (recv_valve);
if (codecbin)
gst_object_unref (codecbin);
if (conference)
gst_object_unref (conference);
}