gstreamer/gst/udp/gstmultiudpsink.c

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2005-05-12 15:32:51 +00:00
/* GStreamer
* Copyright (C) <2005> Wim Taymans <wim@fluendo.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* 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.
*/
/**
* SECTION:element-multiupdsink
* @see_also: udpsink, multifdsink
*
* <refsect2>
* <para>
* multiudpsink is a network sink that sends UDP packets to multiple
* clients.
* It can be combined with rtp payload encoders to implement RTP streaming.
* </para>
* </refsect2>
*/
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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstudp-marshal.h"
#include "gstmultiudpsink.h"
GST_DEBUG_CATEGORY (multiudpsink_debug);
#define GST_CAT_DEFAULT (multiudpsink_debug)
static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS_ANY);
/* elementfactory information */
Define GstElementDetails as const and also static (when defined as global) Original commit message from CVS: * ext/aalib/gstaasink.c: * ext/annodex/gstcmmldec.c: * ext/annodex/gstcmmlenc.c: * ext/cairo/gsttextoverlay.c: * ext/cairo/gsttimeoverlay.c: * ext/cdio/gstcdiocddasrc.c: * ext/dv/gstdvdec.c: * ext/dv/gstdvdemux.c: * ext/esd/esdmon.c: * ext/esd/esdsink.c: * ext/flac/gstflacenc.c: * ext/flac/gstflactag.c: * ext/gconf/gstgconfaudiosink.c: (gst_gconf_audio_sink_base_init): * ext/gconf/gstgconfaudiosrc.c: (gst_gconf_audio_src_base_init): * ext/gconf/gstgconfvideosink.c: (gst_gconf_video_sink_base_init): * ext/gconf/gstgconfvideosrc.c: (gst_gconf_video_src_base_init): * ext/gdk_pixbuf/pixbufscale.c: * ext/hal/gsthalaudiosink.c: (gst_hal_audio_sink_base_init): * ext/hal/gsthalaudiosrc.c: (gst_hal_audio_src_base_init): * ext/jpeg/gstjpegdec.c: * ext/jpeg/gstjpegenc.c: * ext/jpeg/gstsmokedec.c: * ext/jpeg/gstsmokeenc.c: * ext/libcaca/gstcacasink.c: * ext/libmng/gstmngdec.c: * ext/libmng/gstmngenc.c: * ext/libpng/gstpngdec.c: * ext/libpng/gstpngenc.c: * ext/mikmod/gstmikmod.c: * ext/raw1394/gstdv1394src.c: * ext/shout2/gstshout2.c: (gst_shout2send_init): * ext/shout2/gstshout2.h: * ext/speex/gstspeexdec.c: * ext/speex/gstspeexenc.c: * gst/alpha/gstalpha.c: * gst/alpha/gstalphacolor.c: * gst/apetag/gstapedemux.c: * gst/auparse/gstauparse.c: * gst/autodetect/gstautoaudiosink.c: (gst_auto_audio_sink_base_init): * gst/autodetect/gstautovideosink.c: (gst_auto_video_sink_base_init): * gst/avi/gstavidemux.c: (gst_avi_demux_base_init): * gst/avi/gstavimux.c: (gst_avimux_base_init): * gst/cutter/gstcutter.c: * gst/debug/breakmydata.c: * gst/debug/efence.c: * gst/debug/gstnavigationtest.c: * gst/debug/gstnavseek.c: * gst/debug/negotiation.c: * gst/debug/progressreport.c: * gst/debug/testplugin.c: * gst/effectv/gstaging.c: * gst/effectv/gstdice.c: * gst/effectv/gstedge.c: * gst/effectv/gstquark.c: * gst/effectv/gstrev.c: * gst/effectv/gstshagadelic.c: * gst/effectv/gstvertigo.c: * gst/effectv/gstwarp.c: * gst/flx/gstflxdec.c: * gst/goom/gstgoom.c: * gst/icydemux/gsticydemux.c: * gst/id3demux/gstid3demux.c: * gst/interleave/deinterleave.c: * gst/interleave/interleave.c: * gst/law/alaw-decode.c: (gst_alawdec_base_init): * gst/law/alaw-encode.c: (gst_alawenc_base_init): * gst/law/mulaw-decode.c: (gst_mulawdec_base_init): * gst/law/mulaw-encode.c: (gst_mulawenc_base_init): * gst/level/gstlevel.c: * gst/matroska/matroska-demux.c: (gst_matroska_demux_base_init): * gst/matroska/matroska-mux.c: (gst_matroska_mux_base_init): * gst/median/gstmedian.c: * gst/monoscope/gstmonoscope.c: * gst/multipart/multipartdemux.c: * gst/multipart/multipartmux.c: * gst/oldcore/gstaggregator.c: * gst/oldcore/gstfdsink.c: * gst/oldcore/gstmd5sink.c: * gst/oldcore/gstmultifilesrc.c: * gst/oldcore/gstpipefilter.c: * gst/oldcore/gstshaper.c: * gst/oldcore/gststatistics.c: * gst/rtp/gstasteriskh263.c: * gst/rtp/gstrtpL16depay.c: * gst/rtp/gstrtpL16pay.c: * gst/rtp/gstrtpamrdepay.c: * gst/rtp/gstrtpamrpay.c: * gst/rtp/gstrtpdepay.c: * gst/rtp/gstrtpgsmpay.c: * gst/rtp/gstrtph263pay.c: * gst/rtp/gstrtph263pdepay.c: * gst/rtp/gstrtph263ppay.c: * gst/rtp/gstrtpilbcdepay.c: * gst/rtp/gstrtpmp4gpay.c: * gst/rtp/gstrtpmp4vdepay.c: * gst/rtp/gstrtpmp4vpay.c: * gst/rtp/gstrtpmpadepay.c: * gst/rtp/gstrtpmpapay.c: * gst/rtp/gstrtppcmadepay.c: * gst/rtp/gstrtppcmapay.c: * gst/rtp/gstrtppcmudepay.c: * gst/rtp/gstrtppcmupay.c: * gst/rtp/gstrtpspeexdepay.c: * gst/rtp/gstrtpspeexpay.c: * gst/rtsp/gstrtpdec.c: * gst/rtsp/gstrtspsrc.c: * gst/smpte/gstsmpte.c: * gst/udp/gstdynudpsink.c: * gst/udp/gstmultiudpsink.c: * gst/udp/gstudpsink.c: * gst/udp/gstudpsrc.c: * gst/videobox/gstvideobox.c: * gst/videofilter/gstgamma.c: (gst_gamma_base_init): * gst/videofilter/gstvideobalance.c: * gst/videofilter/gstvideoflip.c: * gst/videofilter/gstvideotemplate.c: (gst_videotemplate_base_init): * gst/videomixer/videomixer.c: * gst/wavparse/gstwavparse.c: (gst_wavparse_base_init), (gst_wavparse_class_init), (gst_wavparse_dispose), (gst_wavparse_reset), (gst_wavparse_init), (gst_wavparse_perform_seek), (gst_wavparse_peek_chunk_info), (gst_wavparse_peek_chunk), (gst_wavparse_stream_headers), (gst_wavparse_parse_stream_init), (gst_wavparse_send_event), (gst_wavparse_add_src_pad), (gst_wavparse_stream_data), (gst_wavparse_chain), (gst_wavparse_srcpad_event), (gst_wavparse_sink_activate), (gst_wavparse_sink_activate_pull), (gst_wavparse_change_state): * gst/wavparse/gstwavparse.h: * sys/oss/gstossmixerelement.c: * sys/oss/gstosssink.c: * sys/oss/gstosssrc.c: * sys/osxaudio/gstosxaudioelement.c: * sys/osxaudio/gstosxaudiosink.c: * sys/osxaudio/gstosxaudiosrc.c: * sys/sunaudio/gstsunaudiomixer.c: * sys/sunaudio/gstsunaudiosink.c: Define GstElementDetails as const and also static (when defined as global)
2006-04-25 21:39:46 +00:00
static const GstElementDetails gst_multiudpsink_details =
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GST_ELEMENT_DETAILS ("UDP packet sender",
"Sink/Network",
"Send data over the network via UDP",
"Wim Taymans <wim@fluendo.com>");
/* MultiUDPSink signals and args */
enum
{
/* methods */
SIGNAL_ADD,
SIGNAL_REMOVE,
SIGNAL_CLEAR,
SIGNAL_GET_STATS,
/* signals */
SIGNAL_CLIENT_ADDED,
SIGNAL_CLIENT_REMOVED,
/* FILL ME */
LAST_SIGNAL
};
enum
{
PROP_0,
PROP_BYTES_TO_SERVE,
PROP_BYTES_SERVED,
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/* FILL ME */
};
static void gst_multiudpsink_base_init (gpointer g_class);
static void gst_multiudpsink_class_init (GstMultiUDPSinkClass * klass);
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static void gst_multiudpsink_init (GstMultiUDPSink * udpsink);
static void gst_multiudpsink_finalize (GObject * object);
static GstFlowReturn gst_multiudpsink_render (GstBaseSink * sink,
GstBuffer * buffer);
static GstStateChangeReturn gst_multiudpsink_change_state (GstElement *
element, GstStateChange transition);
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static void gst_multiudpsink_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_multiudpsink_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstElementClass *parent_class = NULL;
static guint gst_multiudpsink_signals[LAST_SIGNAL] = { 0 };
GType
gst_multiudpsink_get_type (void)
{
static GType multiudpsink_type = 0;
if (!multiudpsink_type) {
static const GTypeInfo multiudpsink_info = {
sizeof (GstMultiUDPSinkClass),
gst_multiudpsink_base_init,
NULL,
(GClassInitFunc) gst_multiudpsink_class_init,
NULL,
NULL,
sizeof (GstMultiUDPSink),
0,
(GInstanceInitFunc) gst_multiudpsink_init,
NULL
};
multiudpsink_type =
g_type_register_static (GST_TYPE_BASE_SINK, "GstMultiUDPSink",
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&multiudpsink_info, 0);
}
return multiudpsink_type;
}
static void
gst_multiudpsink_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_template));
gst_element_class_set_details (element_class, &gst_multiudpsink_details);
}
static void
gst_multiudpsink_class_init (GstMultiUDPSinkClass * klass)
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{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstBaseSinkClass *gstbasesink_class;
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
gstbasesink_class = (GstBaseSinkClass *) klass;
Fix #337365 (g_type_class_ref <-> g_type_class_peek_parent) Original commit message from CVS: * ext/aalib/gstaasink.c: (gst_aasink_class_init): * ext/esd/esdsink.c: (gst_esdsink_class_init): * ext/flac/gstflactag.c: (gst_flac_tag_class_init): * ext/gdk_pixbuf/gstgdkpixbuf.c: (gst_gdk_pixbuf_class_init): * ext/jpeg/gstjpegenc.c: (gst_jpegenc_class_init): * ext/jpeg/gstsmokedec.c: (gst_smokedec_class_init): * ext/jpeg/gstsmokeenc.c: (gst_smokeenc_class_init): * ext/libcaca/gstcacasink.c: (gst_cacasink_class_init): * ext/libmng/gstmngdec.c: (gst_mngdec_class_init): * ext/libmng/gstmngenc.c: (gst_mngenc_class_init): * ext/libpng/gstpngdec.c: (gst_pngdec_class_init): * ext/libpng/gstpngenc.c: (gst_pngenc_class_init): * ext/mikmod/gstmikmod.c: (gst_mikmod_class_init): * ext/shout2/gstshout2.c: (gst_shout2send_class_init): * ext/speex/gstspeexenc.c: (gst_speexenc_class_init): * gst/alpha/gstalpha.c: (gst_alpha_class_init): * gst/avi/gstavimux.c: (gst_avimux_class_init): * gst/debug/efence.c: (gst_efence_class_init): * gst/debug/negotiation.c: (gst_negotiation_class_init): * gst/flx/gstflxdec.c: (gst_flxdec_class_init): * gst/goom/gstgoom.c: (gst_goom_class_init): * gst/id3demux/gstid3demux.c: (gst_id3demux_class_init): * gst/interleave/deinterleave.c: (deinterleave_class_init): * gst/interleave/interleave.c: (interleave_class_init): * gst/law/alaw-decode.c: (gst_alawdec_class_init): * gst/law/alaw-encode.c: (gst_alawenc_class_init): * gst/law/mulaw-encode.c: (gst_mulawenc_class_init): * gst/median/gstmedian.c: (gst_median_class_init): * gst/monoscope/gstmonoscope.c: (gst_monoscope_class_init): * gst/multipart/multipartmux.c: (gst_multipart_mux_class_init): * gst/rtp/gstasteriskh263.c: (gst_asteriskh263_class_init): * gst/rtp/gstrtpL16depay.c: (gst_rtp_L16depay_class_init): * gst/rtp/gstrtpL16pay.c: (gst_rtpL16pay_class_init): * gst/rtp/gstrtpamrdepay.c: (gst_rtp_amr_depay_class_init): * gst/rtp/gstrtpamrpay.c: (gst_rtp_amr_pay_class_init): * gst/rtp/gstrtpdepay.c: (gst_rtp_depay_class_init): * gst/rtp/gstrtpgsmdepay.c: (gst_rtp_gsm_depay_class_init): * gst/rtp/gstrtpgsmpay.c: (gst_rtp_gsm_pay_class_init): * gst/rtp/gstrtph263pay.c: (gst_rtp_h263_pay_class_init): * gst/rtp/gstrtph263pdepay.c: (gst_rtp_h263p_depay_class_init): * gst/rtp/gstrtph263ppay.c: (gst_rtp_h263p_pay_class_init): * gst/rtp/gstrtpmp4gpay.c: (gst_rtp_mp4g_pay_class_init): * gst/rtp/gstrtpmp4vdepay.c: (gst_rtp_mp4v_depay_class_init): * gst/rtp/gstrtpmp4vpay.c: (gst_rtp_mp4v_pay_class_init): * gst/rtp/gstrtpmpadepay.c: (gst_rtp_mpa_depay_class_init): * gst/rtp/gstrtpmpapay.c: (gst_rtp_mpa_pay_class_init): * gst/rtp/gstrtppcmadepay.c: (gst_rtp_pcma_depay_class_init): * gst/rtp/gstrtppcmapay.c: (gst_rtp_pcma_pay_class_init): * gst/rtp/gstrtppcmudepay.c: (gst_rtp_pcmu_depay_class_init): * gst/rtp/gstrtppcmupay.c: (gst_rtp_pcmu_pay_class_init): * gst/rtp/gstrtpspeexdepay.c: (gst_rtp_speex_depay_class_init): * gst/rtp/gstrtpspeexpay.c: (gst_rtp_speex_pay_class_init): * gst/rtsp/gstrtpdec.c: (gst_rtpdec_class_init): * gst/rtsp/gstrtspsrc.c: (gst_rtspsrc_class_init): * gst/smpte/gstsmpte.c: (gst_smpte_class_init): * gst/udp/gstdynudpsink.c: (gst_dynudpsink_class_init): * gst/udp/gstmultiudpsink.c: (gst_multiudpsink_class_init): * gst/udp/gstudpsink.c: (gst_udpsink_class_init): * gst/videomixer/videomixer.c: (gst_videomixer_class_init): * gst/wavenc/gstwavenc.c: (gst_wavenc_class_init): * sys/oss/gstossdmabuffer.c: (gst_ossdmabuffer_class_init): * sys/oss/gstosssink.c: (gst_oss_sink_class_init): * sys/osxaudio/gstosxaudioelement.c: (gst_osxaudioelement_class_init): * sys/osxaudio/gstosxaudiosink.c: (gst_osxaudiosink_class_init): * sys/osxaudio/gstosxaudiosrc.c: (gst_osxaudiosrc_class_init): * sys/sunaudio/gstsunaudiosink.c: (gst_sunaudiosink_class_init): Fix #337365 (g_type_class_ref <-> g_type_class_peek_parent)
2006-04-08 21:21:45 +00:00
parent_class = g_type_class_peek_parent (klass);
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gobject_class->set_property = gst_multiudpsink_set_property;
gobject_class->get_property = gst_multiudpsink_get_property;
gobject_class->finalize = gst_multiudpsink_finalize;
/**
* GstMultiUDPSink::add:
* @gstmultiudpsink: the sink on which the signal is emitted
* @host: the hostname/IP address of the client to add
* @port: the port of the client to add
*
* Add a client with destination @host and @port to the list of
* clients.
*/
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gst_multiudpsink_signals[SIGNAL_ADD] =
g_signal_new ("add", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GstMultiUDPSinkClass, add),
NULL, NULL, gst_udp_marshal_VOID__STRING_INT, G_TYPE_NONE, 2,
G_TYPE_STRING, G_TYPE_INT);
/**
* GstMultiUDPSink::remove:
* @gstmultiudpsink: the sink on which the signal is emitted
* @host: the hostname/IP address of the client to remove
* @port: the port of the client to remove
*
* Remove the client with destination @host and @port from the list of
* clients.
*/
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gst_multiudpsink_signals[SIGNAL_REMOVE] =
g_signal_new ("remove", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GstMultiUDPSinkClass, remove),
NULL, NULL, gst_udp_marshal_VOID__STRING_INT, G_TYPE_NONE, 2,
G_TYPE_STRING, G_TYPE_INT);
/**
* GstMultiUDPSink::clear:
* @gstmultiudpsink: the sink on which the signal is emitted
*
* Clear the list of clients.
*/
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gst_multiudpsink_signals[SIGNAL_CLEAR] =
g_signal_new ("clear", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GstMultiUDPSinkClass, clear),
NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
/**
* GstMultiUDPSink::get-stats:
* @gstmultiudpsink: the sink on which the signal is emitted
* @host: the hostname/IP address of the client to get stats on
* @port: the port of the client to get stats on
*
* Get the statistics of the client with destination @host and @port.
*
* Returns: a GValueArray of uint64: bytes_sent, packets_sent,
* connect_time (in epoch seconds), disconnect_time (in epoch seconds)
*/
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gst_multiudpsink_signals[SIGNAL_GET_STATS] =
g_signal_new ("get-stats", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GstMultiUDPSinkClass, get_stats),
NULL, NULL, gst_udp_marshal_BOXED__STRING_INT, G_TYPE_VALUE_ARRAY, 2,
G_TYPE_STRING, G_TYPE_INT);
/**
* GstMultiUDPSink::client-added:
* @gstmultiudpsink: the sink emitting the signal
* @host: the hostname/IP address of the added client
* @port: the port of the added client
*
* Signal emited when a new client is added to the list of
* clients.
*/
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gst_multiudpsink_signals[SIGNAL_CLIENT_ADDED] =
g_signal_new ("client-added", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstMultiUDPSinkClass, client_added),
NULL, NULL, gst_udp_marshal_VOID__STRING_INT, G_TYPE_NONE, 2,
G_TYPE_STRING, G_TYPE_INT);
/**
* GstMultiUDPSink::client-removed:
* @gstmultiudpsink: the sink emitting the signal
* @host: the hostname/IP address of the removed client
* @port: the port of the removed client
*
* Signal emited when a client is removed from the list of
* clients.
*/
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gst_multiudpsink_signals[SIGNAL_CLIENT_REMOVED] =
g_signal_new ("client-removed", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstMultiUDPSinkClass,
client_removed), NULL, NULL, gst_udp_marshal_VOID__STRING_INT,
G_TYPE_NONE, 2, G_TYPE_STRING, G_TYPE_INT);
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BYTES_TO_SERVE,
g_param_spec_uint64 ("bytes-to-serve", "Bytes to serve",
"Number of bytes received to serve to clients", 0, G_MAXUINT64, 0,
G_PARAM_READABLE));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_BYTES_SERVED,
g_param_spec_uint64 ("bytes-served", "Bytes served",
"Total number of bytes send to all clients", 0, G_MAXUINT64, 0,
G_PARAM_READABLE));
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gstelement_class->change_state = gst_multiudpsink_change_state;
gstbasesink_class->render = gst_multiudpsink_render;
klass->add = gst_multiudpsink_add;
klass->remove = gst_multiudpsink_remove;
klass->clear = gst_multiudpsink_clear;
klass->get_stats = gst_multiudpsink_get_stats;
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GST_DEBUG_CATEGORY_INIT (multiudpsink_debug, "multiudpsink", 0, "UDP sink");
}
static void
gst_multiudpsink_init (GstMultiUDPSink * sink)
{
sink->client_lock = g_mutex_new ();
}
static void
gst_multiudpsink_finalize (GObject * object)
{
GstMultiUDPSink *sink;
sink = GST_MULTIUDPSINK (object);
g_mutex_free (sink->client_lock);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static GstFlowReturn
gst_multiudpsink_render (GstBaseSink * bsink, GstBuffer * buffer)
{
GstMultiUDPSink *sink;
gint ret, size, num = 0;
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guint8 *data;
GList *clients;
sink = GST_MULTIUDPSINK (bsink);
size = GST_BUFFER_SIZE (buffer);
data = GST_BUFFER_DATA (buffer);
sink->bytes_to_serve += size;
/* grab lock while iterating and sending to clients, this shuld be
* fast as UDP never blocks */
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g_mutex_lock (sink->client_lock);
GST_LOG_OBJECT (bsink, "about to send %d bytes", size);
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for (clients = sink->clients; clients; clients = g_list_next (clients)) {
GstUDPClient *client;
client = (GstUDPClient *) clients->data;
num++;
GST_LOG_OBJECT (sink, "sending %d bytes to client %p", size, client);
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while (TRUE) {
ret = sendto (*client->sock, data, size, 0,
(struct sockaddr *) &client->theiraddr, sizeof (client->theiraddr));
if (ret < 0) {
if (errno != EINTR && errno != EAGAIN) {
goto send_error;
}
} else {
client->bytes_sent += ret;
client->packets_sent++;
sink->bytes_served += ret;
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break;
}
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}
}
g_mutex_unlock (sink->client_lock);
GST_LOG_OBJECT (sink, "sent %d bytes to %d clients", size, num);
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return GST_FLOW_OK;
/* ERRORS */
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send_error:
{
/* if sendto returns an error, something is seriously wrong */
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g_mutex_unlock (sink->client_lock);
GST_DEBUG_OBJECT (sink, "got send error %d: %s", errno, g_strerror (errno));
GST_ELEMENT_ERROR (sink, STREAM, FAILED, (NULL),
("Got send error %d: %s", errno, g_strerror (errno)));
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return GST_FLOW_ERROR;
}
}
static void
gst_multiudpsink_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstMultiUDPSink *udpsink;
udpsink = GST_MULTIUDPSINK (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_multiudpsink_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstMultiUDPSink *udpsink;
udpsink = GST_MULTIUDPSINK (object);
switch (prop_id) {
case PROP_BYTES_TO_SERVE:
g_value_set_uint64 (value, udpsink->bytes_to_serve);
break;
case PROP_BYTES_SERVED:
g_value_set_uint64 (value, udpsink->bytes_served);
break;
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default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
/* create a socket for sending to remote machine */
static gboolean
gst_multiudpsink_init_send (GstMultiUDPSink * sink)
{
guint bc_val;
gint ret;
/* create sender socket */
if ((sink->sock = socket (AF_INET, SOCK_DGRAM, 0)) == -1)
goto no_socket;
bc_val = 1;
if ((ret =
setsockopt (sink->sock, SOL_SOCKET, SO_BROADCAST, &bc_val,
sizeof (bc_val))) < 0)
goto no_broadcast;
sink->bytes_to_serve = 0;
sink->bytes_served = 0;
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return TRUE;
/* ERRORS */
no_socket:
{
GST_ELEMENT_ERROR (sink, RESOURCE, FAILED, (NULL),
("Could not create socket (%d): %s", errno, g_strerror (errno)));
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return FALSE;
}
no_broadcast:
{
GST_ELEMENT_ERROR (sink, RESOURCE, SETTINGS, (NULL),
("Could not set broadcast socket option (%d): %s", errno,
g_strerror (errno)));
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return FALSE;
}
}
static void
gst_multiudpsink_close (GstMultiUDPSink * sink)
{
close (sink->sock);
}
void
gst_multiudpsink_add (GstMultiUDPSink * sink, const gchar * host, gint port)
{
struct hostent *he;
struct in_addr addr;
struct ip_mreq multi_addr;
GstUDPClient *client;
GTimeVal now;
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GST_DEBUG_OBJECT (sink, "adding client on host %s, port %d", host, port);
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client = g_new0 (GstUDPClient, 1);
client->host = g_strdup (host);
client->port = port;
client->sock = &sink->sock;
memset (&client->theiraddr, 0, sizeof (client->theiraddr));
client->theiraddr.sin_family = AF_INET; /* host byte order */
client->theiraddr.sin_port = htons (port); /* short, network byte order */
g_get_current_time (&now);
client->connect_time = GST_TIMEVAL_TO_TIME (now);
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/* if its an IP address */
if (inet_aton (host, &addr)) {
/* check if its a multicast address */
if ((ntohl (addr.s_addr) & 0xe0000000) == 0xe0000000) {
client->multi_addr.imr_multiaddr.s_addr = addr.s_addr;
client->multi_addr.imr_interface.s_addr = INADDR_ANY;
client->theiraddr.sin_addr = multi_addr.imr_multiaddr;
/* Joining the multicast group */
/* FIXME, can we use multicast and unicast over the same
* socket? if not, search for socket of this multicast group or
* create a new one. */
setsockopt (sink->sock, IPPROTO_IP, IP_ADD_MEMBERSHIP, &multi_addr,
sizeof (multi_addr));
} else {
client->theiraddr.sin_addr = *((struct in_addr *) &addr);
}
}
/* we dont need to lookup for localhost */
else if (strcmp (host, "localhost") == 0 && inet_aton ("127.0.0.1", &addr)) {
client->theiraddr.sin_addr = *((struct in_addr *) &addr);
}
/* if its a hostname */
else if ((he = gethostbyname (host))) {
client->theiraddr.sin_addr = *((struct in_addr *) he->h_addr);
} else {
goto host_error;
}
g_mutex_lock (sink->client_lock);
sink->clients = g_list_prepend (sink->clients, client);
g_mutex_unlock (sink->client_lock);
g_signal_emit (G_OBJECT (sink),
gst_multiudpsink_signals[SIGNAL_CLIENT_ADDED], 0, host, port);
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return;
/* ERRORS */
host_error:
{
GST_WARNING_OBJECT (sink, "hostname lookup error?");
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g_free (client->host);
g_free (client);
return;
}
}
static gint
client_compare (GstUDPClient * a, GstUDPClient * b)
{
if ((a->port == b->port) && (strcmp (a->host, b->host) == 0))
return 0;
return 1;
}
static void
free_client (GstUDPClient * client)
{
g_free (client->host);
g_free (client);
}
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void
gst_multiudpsink_remove (GstMultiUDPSink * sink, const gchar * host, gint port)
{
GList *find;
GstUDPClient udpclient;
GstUDPClient *client;
GTimeVal now;
udpclient.host = (gchar *) host;
udpclient.port = port;
g_mutex_lock (sink->client_lock);
find = g_list_find_custom (sink->clients, &udpclient,
(GCompareFunc) client_compare);
if (!find)
goto not_found;
GST_DEBUG_OBJECT (sink, "remove client with host %s, port %d", host, port);
client = (GstUDPClient *) find->data;
g_get_current_time (&now);
client->disconnect_time = GST_TIMEVAL_TO_TIME (now);
/* Unlock to emit signal before we delete the actual client */
g_mutex_unlock (sink->client_lock);
g_signal_emit (G_OBJECT (sink),
gst_multiudpsink_signals[SIGNAL_CLIENT_REMOVED], 0, host, port);
g_mutex_lock (sink->client_lock);
sink->clients = g_list_delete_link (sink->clients, find);
free_client (client);
g_mutex_unlock (sink->client_lock);
return;
/* ERRORS */
not_found:
{
g_mutex_unlock (sink->client_lock);
GST_WARNING_OBJECT (sink, "client at host %s, port %d not found",
host, port);
return;
}
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}
void
gst_multiudpsink_clear (GstMultiUDPSink * sink)
{
GST_DEBUG_OBJECT (sink, "clearing");
/* we only need to remove the client structure, there is no additional
* socket or anything to free for UDP */
g_mutex_lock (sink->client_lock);
g_list_foreach (sink->clients, (GFunc) free_client, sink);
g_list_free (sink->clients);
sink->clients = NULL;
g_mutex_unlock (sink->client_lock);
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}
GValueArray *
gst_multiudpsink_get_stats (GstMultiUDPSink * sink, const gchar * host,
gint port)
{
GstUDPClient *client;
GValueArray *result = NULL;
GstUDPClient udpclient;
GList *find;
GValue value = { 0 };
udpclient.host = (gchar *) host;
udpclient.port = port;
g_mutex_lock (sink->client_lock);
find = g_list_find_custom (sink->clients, &udpclient,
(GCompareFunc) client_compare);
if (!find)
goto not_found;
GST_DEBUG_OBJECT (sink, "stats for client with host %s, port %d", host, port);
client = (GstUDPClient *) find->data;
/* Result is a value array of (bytes_sent, packets_sent,
* connect_time, disconnect_time), all as uint64 */
result = g_value_array_new (4);
g_value_init (&value, G_TYPE_UINT64);
g_value_set_uint64 (&value, client->bytes_sent);
result = g_value_array_append (result, &value);
g_value_unset (&value);
g_value_init (&value, G_TYPE_UINT64);
g_value_set_uint64 (&value, client->packets_sent);
result = g_value_array_append (result, &value);
g_value_unset (&value);
g_value_init (&value, G_TYPE_UINT64);
g_value_set_uint64 (&value, client->connect_time);
result = g_value_array_append (result, &value);
g_value_unset (&value);
g_value_init (&value, G_TYPE_UINT64);
g_value_set_uint64 (&value, client->disconnect_time);
result = g_value_array_append (result, &value);
g_value_unset (&value);
g_mutex_unlock (sink->client_lock);
return result;
/* ERRORS */
not_found:
{
g_mutex_unlock (sink->client_lock);
GST_WARNING_OBJECT (sink, "client with host %s, port %d not found",
host, port);
/* Apparently (see comment in gstmultifdsink.c) returning NULL from here may
* confuse/break python bindings */
return g_value_array_new (0);
}
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}
static GstStateChangeReturn
gst_multiudpsink_change_state (GstElement * element, GstStateChange transition)
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{
GstStateChangeReturn ret;
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GstMultiUDPSink *sink;
sink = GST_MULTIUDPSINK (element);
switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED:
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if (!gst_multiudpsink_init_send (sink))
goto no_init;
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
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switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY:
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gst_multiudpsink_close (sink);
break;
default:
break;
}
return ret;
/* ERRORS */
no_init:
{
/* _init_send() posted specific error already */
return GST_STATE_CHANGE_FAILURE;
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}
}