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0afac375b4
Original commit message from CVS: * ext/alsa/gstalsamixeroptions.c: (gst_alsa_mixer_options_class_init): * ext/alsa/gstalsamixertrack.c: (gst_alsa_mixer_track_class_init): * ext/ogg/gstoggdemux.c: (gst_ogg_pad_class_init): * ext/ogg/gstoggmux.c: (gst_ogg_mux_class_init): * ext/ogg/gstoggparse.c: (gst_ogg_parse_class_init): * gst-libs/gst/audio/gstaudioclock.c: (gst_audio_clock_class_init): * gst-libs/gst/audio/gstaudiofilter.c: (gst_audio_filter_class_init): * gst-libs/gst/audio/gstaudiosink.c: (gst_audioringbuffer_class_init): * gst-libs/gst/audio/gstaudiosrc.c: (gst_audioringbuffer_class_init): * gst-libs/gst/audio/gstringbuffer.c: (gst_ring_buffer_class_init): * gst-libs/gst/interfaces/colorbalancechannel.c: (gst_color_balance_channel_class_init): * gst-libs/gst/interfaces/mixeroptions.c: (gst_mixer_options_class_init): * gst-libs/gst/interfaces/mixertrack.c: (gst_mixer_track_class_init): * gst-libs/gst/interfaces/tunerchannel.c: (gst_tuner_channel_class_init): * gst-libs/gst/interfaces/tunernorm.c: (gst_tuner_norm_class_init): * gst-libs/gst/netbuffer/gstnetbuffer.c: (gst_netbuffer_class_init): * gst-libs/gst/rtp/gstbasertppayload.c: (gst_basertppayload_class_init): * gst/playback/gstdecodebin.c: (gst_decode_bin_class_init): * gst/playback/gstplaybasebin.c: (gst_play_base_bin_class_init): * gst/playback/gstplaybin.c: (gst_play_bin_class_init): * gst/playback/gststreaminfo.c: (gst_stream_info_class_init): * gst/playback/gststreamselector.c: (gst_stream_selector_class_init): * gst/subparse/gstsubparse.c: (gst_sub_parse_class_init): * gst/tcp/gsttcpclientsink.c: (gst_tcp_client_sink_class_init): * sys/v4l/gstv4lcolorbalance.c: (gst_v4l_color_balance_channel_class_init): * sys/v4l/gstv4ljpegsrc.c: (gst_v4ljpegsrc_class_init): * sys/v4l/gstv4lmjpegsink.c: (gst_v4lmjpegsink_class_init): * sys/v4l/gstv4lmjpegsrc.c: (gst_v4lmjpegsrc_class_init): * sys/v4l/gstv4ltuner.c: (gst_v4l_tuner_channel_class_init), (gst_v4l_tuner_norm_class_init): * sys/ximage/ximagesink.c: (gst_ximagesink_class_init): * sys/xvimage/xvimagesink.c: (gst_xvimagesink_class_init): * tests/old/testsuite/alsa/sinesrc.c: (sinesrc_class_init): Fix #337365 (g_type_class_ref <-> g_type_class_peek_parent)
541 lines
16 KiB
C
541 lines
16 KiB
C
/* GStreamer
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* Copyright (C) <2005> Wim Taymans <wim@fluendo.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <string.h>
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#include <gst/rtp/gstrtpbuffer.h>
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#include "gstbasertppayload.h"
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GST_DEBUG_CATEGORY (basertppayload_debug);
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#define GST_CAT_DEFAULT (basertppayload_debug)
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/* BaseRTPPayload signals and args */
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enum
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{
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/* FILL ME */
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LAST_SIGNAL
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};
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#define DEFAULT_MTU 1024
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#define DEFAULT_PT 96
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#define DEFAULT_SSRC -1
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#define DEFAULT_TIMESTAMP_OFFSET -1
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#define DEFAULT_SEQNUM_OFFSET -1
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#define DEFAULT_MAX_PTIME -1
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enum
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{
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PROP_0,
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PROP_MTU,
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PROP_PT,
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PROP_SSRC,
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PROP_TIMESTAMP_OFFSET,
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PROP_SEQNUM_OFFSET,
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PROP_MAX_PTIME,
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PROP_TIMESTAMP,
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PROP_SEQNUM
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};
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static void gst_basertppayload_class_init (GstBaseRTPPayloadClass * klass);
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static void gst_basertppayload_base_init (GstBaseRTPPayloadClass * klass);
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static void gst_basertppayload_init (GstBaseRTPPayload * basertppayload,
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gpointer g_class);
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static void gst_basertppayload_finalize (GObject * object);
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static gboolean gst_basertppayload_setcaps (GstPad * pad, GstCaps * caps);
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static gboolean gst_basertppayload_event (GstPad * pad, GstEvent * event);
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static GstFlowReturn gst_basertppayload_chain (GstPad * pad,
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GstBuffer * buffer);
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static void gst_basertppayload_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_basertppayload_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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static GstStateChangeReturn gst_basertppayload_change_state (GstElement *
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element, GstStateChange transition);
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static GstElementClass *parent_class = NULL;
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GType
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gst_basertppayload_get_type (void)
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{
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static GType basertppayload_type = 0;
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if (!basertppayload_type) {
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static const GTypeInfo basertppayload_info = {
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sizeof (GstBaseRTPPayloadClass),
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(GBaseInitFunc) gst_basertppayload_base_init,
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NULL,
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(GClassInitFunc) gst_basertppayload_class_init,
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NULL,
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NULL,
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sizeof (GstBaseRTPPayload),
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0,
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(GInstanceInitFunc) gst_basertppayload_init,
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};
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basertppayload_type =
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g_type_register_static (GST_TYPE_ELEMENT, "GstBaseRTPPayload",
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&basertppayload_info, G_TYPE_FLAG_ABSTRACT);
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}
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return basertppayload_type;
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}
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static void
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gst_basertppayload_base_init (GstBaseRTPPayloadClass * klass)
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{
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}
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static void
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gst_basertppayload_class_init (GstBaseRTPPayloadClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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parent_class = g_type_class_peek_parent (klass);
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gobject_class->finalize = gst_basertppayload_finalize;
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gobject_class->set_property = gst_basertppayload_set_property;
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gobject_class->get_property = gst_basertppayload_get_property;
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_MTU,
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g_param_spec_uint ("mtu", "MTU",
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"Maximum size of one packet",
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28, G_MAXUINT, DEFAULT_MTU, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_PT,
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g_param_spec_uint ("pt", "payload type",
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"The payload type of the packets",
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0, 0x80, DEFAULT_PT, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_SSRC,
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g_param_spec_uint ("ssrc", "SSRC",
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"The SSRC of the packets (-1 == random)",
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0, G_MAXUINT, DEFAULT_SSRC, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass),
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PROP_TIMESTAMP_OFFSET, g_param_spec_int ("timestamp-offset",
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"Timestamp Offset",
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"Offset to add to all outgoing timestamps (-1 = random)", -1,
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G_MAXINT, DEFAULT_TIMESTAMP_OFFSET, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_SEQNUM_OFFSET,
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g_param_spec_int ("seqnum-offset", "Sequence number Offset",
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"Offset to add to all outgoing seqnum (-1 = random)", -1, G_MAXINT,
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DEFAULT_SEQNUM_OFFSET, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_MAX_PTIME,
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g_param_spec_int64 ("max-ptime", "Max packet time",
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"Maximum duration of the packet data in ns (-1 = unlimited up to MTU)",
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-1, G_MAXINT64, DEFAULT_MAX_PTIME, G_PARAM_READWRITE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_TIMESTAMP,
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g_param_spec_uint ("timestamp", "Timestamp",
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"The RTP timestamp of the last processed packet",
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0, G_MAXUINT, 0, G_PARAM_READABLE));
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g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_SEQNUM,
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g_param_spec_uint ("seqnum", "Sequence number",
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"The RTP sequence number of the last processed packet",
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0, G_MAXUINT, 0, G_PARAM_READABLE));
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gstelement_class->change_state = gst_basertppayload_change_state;
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GST_DEBUG_CATEGORY_INIT (basertppayload_debug, "basertppayload", 0,
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"Base class for RTP Payloaders");
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}
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static void
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gst_basertppayload_init (GstBaseRTPPayload * basertppayload, gpointer g_class)
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{
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GstPadTemplate *templ;
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templ =
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gst_element_class_get_pad_template (GST_ELEMENT_CLASS (g_class), "src");
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g_return_if_fail (templ != NULL);
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basertppayload->srcpad = gst_pad_new_from_template (templ, "src");
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gst_element_add_pad (GST_ELEMENT (basertppayload), basertppayload->srcpad);
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templ =
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gst_element_class_get_pad_template (GST_ELEMENT_CLASS (g_class), "sink");
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g_return_if_fail (templ != NULL);
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basertppayload->sinkpad = gst_pad_new_from_template (templ, "sink");
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gst_pad_set_setcaps_function (basertppayload->sinkpad,
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gst_basertppayload_setcaps);
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gst_pad_set_event_function (basertppayload->sinkpad,
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gst_basertppayload_event);
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gst_pad_set_chain_function (basertppayload->sinkpad,
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gst_basertppayload_chain);
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gst_element_add_pad (GST_ELEMENT (basertppayload), basertppayload->sinkpad);
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basertppayload->seq_rand = g_rand_new ();
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basertppayload->ssrc_rand = g_rand_new ();
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basertppayload->ts_rand = g_rand_new ();
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basertppayload->mtu = DEFAULT_MTU;
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basertppayload->pt = DEFAULT_PT;
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basertppayload->seqnum_offset = DEFAULT_SEQNUM_OFFSET;
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basertppayload->ssrc = DEFAULT_SSRC;
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basertppayload->ts_offset = DEFAULT_TIMESTAMP_OFFSET;
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basertppayload->max_ptime = DEFAULT_MAX_PTIME;
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basertppayload->clock_rate = 0;
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}
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static void
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gst_basertppayload_finalize (GObject * object)
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{
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GstBaseRTPPayload *basertppayload;
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basertppayload = GST_BASE_RTP_PAYLOAD (object);
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g_rand_free (basertppayload->seq_rand);
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basertppayload->seq_rand = NULL;
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g_rand_free (basertppayload->ssrc_rand);
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basertppayload->ssrc_rand = NULL;
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g_rand_free (basertppayload->ts_rand);
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basertppayload->ts_rand = NULL;
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static gboolean
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gst_basertppayload_setcaps (GstPad * pad, GstCaps * caps)
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{
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GstBaseRTPPayload *basertppayload;
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GstBaseRTPPayloadClass *basertppayload_class;
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gboolean ret = TRUE;
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GST_DEBUG_OBJECT (pad, "setting caps %" GST_PTR_FORMAT, caps);
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basertppayload = GST_BASE_RTP_PAYLOAD (gst_pad_get_parent (pad));
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basertppayload_class = GST_BASE_RTP_PAYLOAD_GET_CLASS (basertppayload);
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if (basertppayload_class->set_caps)
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ret = basertppayload_class->set_caps (basertppayload, caps);
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gst_object_unref (basertppayload);
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return ret;
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}
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static gboolean
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gst_basertppayload_event (GstPad * pad, GstEvent * event)
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{
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GstBaseRTPPayload *basertppayload;
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gboolean res;
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basertppayload = GST_BASE_RTP_PAYLOAD (gst_pad_get_parent (pad));
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_FLUSH_START:
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res = gst_pad_event_default (pad, event);
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break;
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case GST_EVENT_FLUSH_STOP:
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res = gst_pad_event_default (pad, event);
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gst_segment_init (&basertppayload->segment, GST_FORMAT_UNDEFINED);
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break;
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case GST_EVENT_NEWSEGMENT:
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{
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gboolean update;
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gdouble rate;
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GstFormat fmt;
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gint64 start, stop, position;
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gst_event_parse_new_segment (event, &update, &rate, &fmt, &start, &stop,
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&position);
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gst_segment_set_newsegment (&basertppayload->segment, update, rate, fmt,
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start, stop, position);
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}
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/* fallthrough */
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default:
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res = gst_pad_event_default (pad, event);
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break;
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}
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gst_object_unref (basertppayload);
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return res;
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}
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static GstFlowReturn
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gst_basertppayload_chain (GstPad * pad, GstBuffer * buffer)
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{
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GstBaseRTPPayload *basertppayload;
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GstBaseRTPPayloadClass *basertppayload_class;
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GstFlowReturn ret;
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basertppayload = GST_BASE_RTP_PAYLOAD (gst_pad_get_parent (pad));
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basertppayload_class = GST_BASE_RTP_PAYLOAD_GET_CLASS (basertppayload);
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if (!basertppayload_class->handle_buffer)
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goto no_function;
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ret = basertppayload_class->handle_buffer (basertppayload, buffer);
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gst_object_unref (basertppayload);
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return ret;
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/* ERRORS */
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no_function:
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{
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GST_ELEMENT_ERROR (basertppayload, STREAM, NOT_IMPLEMENTED, (NULL),
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("subclass did not implement handle_buffer function"));
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gst_object_unref (basertppayload);
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return GST_FLOW_ERROR;
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}
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}
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void
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gst_basertppayload_set_options (GstBaseRTPPayload * payload,
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gchar * media, gboolean dynamic, gchar * encoding_name, guint32 clock_rate)
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{
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g_return_if_fail (payload != NULL);
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g_return_if_fail (clock_rate != 0);
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g_free (payload->media);
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payload->media = g_strdup (media);
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payload->dynamic = dynamic;
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g_free (payload->encoding_name);
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payload->encoding_name = g_strdup (encoding_name);
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payload->clock_rate = clock_rate;
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}
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gboolean
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gst_basertppayload_set_outcaps (GstBaseRTPPayload * payload, gchar * fieldname,
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...)
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{
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GstCaps *srccaps;
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GstStructure *s;
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srccaps = gst_caps_new_simple ("application/x-rtp",
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"media", G_TYPE_STRING, payload->media,
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"payload", G_TYPE_INT, GST_BASE_RTP_PAYLOAD_PT (payload),
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"clock-rate", G_TYPE_INT, payload->clock_rate,
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"encoding-name", G_TYPE_STRING, payload->encoding_name,
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"ssrc", G_TYPE_UINT, payload->current_ssrc,
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"clock-base", G_TYPE_UINT, payload->ts_base,
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"seqnum-base", G_TYPE_UINT, payload->seqnum_base, NULL);
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s = gst_caps_get_structure (srccaps, 0);
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if (fieldname) {
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va_list varargs;
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va_start (varargs, fieldname);
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gst_structure_set_valist (s, fieldname, varargs);
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va_end (varargs);
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}
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gst_pad_set_caps (GST_BASE_RTP_PAYLOAD_SRCPAD (payload), srccaps);
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gst_caps_unref (srccaps);
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return TRUE;
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}
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gboolean
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gst_basertppayload_is_filled (GstBaseRTPPayload * payload,
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guint size, GstClockTime duration)
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{
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if (size > payload->mtu)
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return TRUE;
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if (payload->max_ptime != -1 && duration >= payload->max_ptime)
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return TRUE;
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return FALSE;
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}
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GstFlowReturn
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gst_basertppayload_push (GstBaseRTPPayload * payload, GstBuffer * buffer)
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{
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GstFlowReturn res;
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GstClockTime timestamp;
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guint32 ts;
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if (payload->clock_rate == 0)
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goto no_rate;
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gst_rtp_buffer_set_ssrc (buffer, payload->current_ssrc);
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gst_rtp_buffer_set_payload_type (buffer, payload->pt);
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/* can wrap around, which is perfectly fine */
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/* update first, so that the property is set to the last
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* seqnum pushed */
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payload->seqnum++;
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gst_rtp_buffer_set_seq (buffer, payload->seqnum);
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/* add our random offset to the timestamp */
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ts = payload->ts_base;
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timestamp = GST_BUFFER_TIMESTAMP (buffer);
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if (GST_CLOCK_TIME_IS_VALID (timestamp)) {
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gint64 rtime;
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rtime =
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gst_segment_to_running_time (&payload->segment, GST_FORMAT_TIME,
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timestamp);
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rtime = gst_util_uint64_scale_int (rtime, payload->clock_rate, GST_SECOND);
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ts += rtime;
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}
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gst_rtp_buffer_set_timestamp (buffer, ts);
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payload->timestamp = ts;
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/* set caps */
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gst_buffer_set_caps (buffer, GST_PAD_CAPS (payload->srcpad));
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GST_DEBUG_OBJECT (payload, "Pushing packet size %d, seq=%d, ts=%u",
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GST_BUFFER_SIZE (buffer), payload->seqnum - 1, ts);
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res = gst_pad_push (payload->srcpad, buffer);
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|
|
return res;
|
|
|
|
/* ERRORS */
|
|
no_rate:
|
|
{
|
|
GST_ELEMENT_ERROR (payload, STREAM, NOT_IMPLEMENTED, (NULL),
|
|
("subclass did not specify clock_rate"));
|
|
gst_buffer_unref (buffer);
|
|
return GST_FLOW_ERROR;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_basertppayload_set_property (GObject * object, guint prop_id,
|
|
const GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstBaseRTPPayload *basertppayload;
|
|
|
|
basertppayload = GST_BASE_RTP_PAYLOAD (object);
|
|
|
|
switch (prop_id) {
|
|
case PROP_MTU:
|
|
basertppayload->mtu = g_value_get_uint (value);
|
|
break;
|
|
case PROP_PT:
|
|
basertppayload->pt = g_value_get_uint (value);
|
|
break;
|
|
case PROP_SSRC:
|
|
basertppayload->ssrc = g_value_get_uint (value);
|
|
break;
|
|
case PROP_TIMESTAMP_OFFSET:
|
|
basertppayload->ts_offset = g_value_get_int (value);
|
|
break;
|
|
case PROP_SEQNUM_OFFSET:
|
|
basertppayload->seqnum_offset = g_value_get_int (value);
|
|
break;
|
|
case PROP_MAX_PTIME:
|
|
basertppayload->max_ptime = g_value_get_int64 (value);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_basertppayload_get_property (GObject * object, guint prop_id,
|
|
GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstBaseRTPPayload *basertppayload;
|
|
|
|
basertppayload = GST_BASE_RTP_PAYLOAD (object);
|
|
|
|
switch (prop_id) {
|
|
case PROP_MTU:
|
|
g_value_set_uint (value, basertppayload->mtu);
|
|
break;
|
|
case PROP_PT:
|
|
g_value_set_uint (value, basertppayload->pt);
|
|
break;
|
|
case PROP_SSRC:
|
|
g_value_set_uint (value, basertppayload->ssrc);
|
|
break;
|
|
case PROP_TIMESTAMP_OFFSET:
|
|
g_value_set_int (value, basertppayload->ts_offset);
|
|
break;
|
|
case PROP_SEQNUM_OFFSET:
|
|
g_value_set_int (value, basertppayload->seqnum_offset);
|
|
break;
|
|
case PROP_MAX_PTIME:
|
|
g_value_set_int64 (value, basertppayload->max_ptime);
|
|
break;
|
|
case PROP_TIMESTAMP:
|
|
g_value_set_uint (value, basertppayload->timestamp);
|
|
break;
|
|
case PROP_SEQNUM:
|
|
g_value_set_uint (value, basertppayload->seqnum);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static GstStateChangeReturn
|
|
gst_basertppayload_change_state (GstElement * element,
|
|
GstStateChange transition)
|
|
{
|
|
GstBaseRTPPayload *basertppayload;
|
|
GstStateChangeReturn ret;
|
|
|
|
basertppayload = GST_BASE_RTP_PAYLOAD (element);
|
|
|
|
switch (transition) {
|
|
case GST_STATE_CHANGE_NULL_TO_READY:
|
|
break;
|
|
case GST_STATE_CHANGE_READY_TO_PAUSED:
|
|
gst_segment_init (&basertppayload->segment, GST_FORMAT_UNDEFINED);
|
|
|
|
if (basertppayload->seqnum_offset == -1)
|
|
basertppayload->seqnum_base =
|
|
g_rand_int_range (basertppayload->seq_rand, 0, G_MAXUINT16);
|
|
else
|
|
basertppayload->seqnum_base = basertppayload->seqnum_offset;
|
|
basertppayload->seqnum = basertppayload->seqnum_base;
|
|
|
|
if (basertppayload->ssrc == -1)
|
|
basertppayload->current_ssrc = g_rand_int (basertppayload->ssrc_rand);
|
|
else
|
|
basertppayload->current_ssrc = basertppayload->ssrc;
|
|
|
|
if (basertppayload->ts_offset == -1)
|
|
basertppayload->ts_base = g_rand_int (basertppayload->ts_rand);
|
|
else
|
|
basertppayload->ts_base = basertppayload->ts_offset;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
|
|
|
|
switch (transition) {
|
|
case GST_STATE_CHANGE_READY_TO_NULL:
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|