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b1089fb520
The payloader didn't copy anything so far, the depayloader copied every possible meta. Let's make it consistent and just copy all metas without tags or with only the video tag. https://bugzilla.gnome.org/show_bug.cgi?id=751774
143 lines
4.2 KiB
C
143 lines
4.2 KiB
C
/* GStreamer
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* Copyright (C) <2008> Wim Taymans <wim.taymans@gmail.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 details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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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 <gst/rtp/gstrtpbuffer.h>
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#include <string.h>
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#include "gstrtpmp1sdepay.h"
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#include "gstrtputils.h"
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/* RtpMP1SDepay 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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enum
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{
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PROP_0,
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PROP_LAST
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};
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static GstStaticPadTemplate gst_rtp_mp1s_depay_src_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/mpeg,systemstream=(boolean)true")
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);
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/* The spec says video/MP1S but I have seen streams with other/MP1S so we will
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* allow them both */
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static GstStaticPadTemplate gst_rtp_mp1s_depay_sink_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("application/x-rtp, "
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"media = (string) \"other\", "
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"clock-rate = (int) [1, MAX ], " "encoding-name = (string) \"MP1S\";"
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"application/x-rtp, "
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"media = (string) \"video\", "
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"clock-rate = (int) [1, MAX ], " "encoding-name = (string) \"MP1S\"")
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);
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G_DEFINE_TYPE (GstRtpMP1SDepay, gst_rtp_mp1s_depay,
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GST_TYPE_RTP_BASE_DEPAYLOAD);
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static gboolean gst_rtp_mp1s_depay_setcaps (GstRTPBaseDepayload * depayload,
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GstCaps * caps);
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static GstBuffer *gst_rtp_mp1s_depay_process (GstRTPBaseDepayload * depayload,
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GstRTPBuffer * rtp);
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static void
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gst_rtp_mp1s_depay_class_init (GstRtpMP1SDepayClass * klass)
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{
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GstElementClass *gstelement_class;
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GstRTPBaseDepayloadClass *gstrtpbasedepayload_class;
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gstelement_class = (GstElementClass *) klass;
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gstrtpbasedepayload_class = (GstRTPBaseDepayloadClass *) klass;
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gstrtpbasedepayload_class->process_rtp_packet = gst_rtp_mp1s_depay_process;
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gstrtpbasedepayload_class->set_caps = gst_rtp_mp1s_depay_setcaps;
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&gst_rtp_mp1s_depay_src_template));
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gst_element_class_add_pad_template (gstelement_class,
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gst_static_pad_template_get (&gst_rtp_mp1s_depay_sink_template));
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gst_element_class_set_static_metadata (gstelement_class,
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"RTP MPEG1 System Stream depayloader", "Codec/Depayloader/Network/RTP",
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"Extracts MPEG1 System Streams from RTP packets (RFC 3555)",
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"Wim Taymans <wim.taymans@gmail.com>");
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}
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static void
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gst_rtp_mp1s_depay_init (GstRtpMP1SDepay * rtpmp1sdepay)
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{
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}
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static gboolean
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gst_rtp_mp1s_depay_setcaps (GstRTPBaseDepayload * depayload, GstCaps * caps)
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{
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GstCaps *srccaps;
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GstStructure *structure;
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gint clock_rate;
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gboolean res;
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structure = gst_caps_get_structure (caps, 0);
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if (!gst_structure_get_int (structure, "clock-rate", &clock_rate))
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clock_rate = 90000; /* default */
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depayload->clock_rate = clock_rate;
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srccaps = gst_caps_new_simple ("video/mpeg",
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"systemstream", G_TYPE_BOOLEAN, TRUE, NULL);
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res = gst_pad_set_caps (GST_RTP_BASE_DEPAYLOAD_SRCPAD (depayload), srccaps);
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gst_caps_unref (srccaps);
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return res;
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}
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static GstBuffer *
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gst_rtp_mp1s_depay_process (GstRTPBaseDepayload * depayload, GstRTPBuffer * rtp)
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{
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GstBuffer *outbuf;
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outbuf = gst_rtp_buffer_get_payload_buffer (rtp);
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if (outbuf) {
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GST_DEBUG ("gst_rtp_mp1s_depay_chain: pushing buffer of size %"
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G_GSIZE_FORMAT, gst_buffer_get_size (outbuf));
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gst_rtp_drop_meta (GST_ELEMENT_CAST (depayload), outbuf, 0);
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}
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return outbuf;
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}
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gboolean
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gst_rtp_mp1s_depay_plugin_init (GstPlugin * plugin)
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{
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return gst_element_register (plugin, "rtpmp1sdepay",
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GST_RANK_SECONDARY, GST_TYPE_RTP_MP1S_DEPAY);
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}
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