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-rw-r--r--gst/rtp/gstrtpmpadec.c283
1 files changed, 0 insertions, 283 deletions
diff --git a/gst/rtp/gstrtpmpadec.c b/gst/rtp/gstrtpmpadec.c
deleted file mode 100644
index 0a3f315d..00000000
--- a/gst/rtp/gstrtpmpadec.c
+++ /dev/null
@@ -1,283 +0,0 @@
-/* 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
- */
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <gst/rtp/gstrtpbuffer.h>
-
-#include <string.h>
-#include "gstrtpmpadec.h"
-
-/* elementfactory information */
-static GstElementDetails gst_rtp_mpadec_details = {
- "RTP packet parser",
- "Codec/Parser/Network",
- "Extracts MPEG audio from RTP packets (RFC 2038)",
- "Wim Taymans <wim@fluendo.com>"
-};
-
-/* RtpMPADec signals and args */
-enum
-{
- /* FILL ME */
- LAST_SIGNAL
-};
-
-enum
-{
- ARG_0,
- ARG_FREQUENCY
-};
-
-static GstStaticPadTemplate gst_rtpmpadec_src_template =
-GST_STATIC_PAD_TEMPLATE ("src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("audio/mpeg")
- );
-
-static GstStaticPadTemplate gst_rtpmpadec_sink_template =
-GST_STATIC_PAD_TEMPLATE ("sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("application/x-rtp, "
- "media = (string) \"audio\", "
- "payload = (int) [ 96, 255 ], "
- "clock-rate = (int) 90000, " "encoding-name = (string) \"MPA\"")
- );
-
-
-static void gst_rtpmpadec_class_init (GstRtpMPADecClass * klass);
-static void gst_rtpmpadec_base_init (GstRtpMPADecClass * klass);
-static void gst_rtpmpadec_init (GstRtpMPADec * rtpmpadec);
-
-static GstFlowReturn gst_rtpmpadec_chain (GstPad * pad, GstBuffer * buffer);
-
-static void gst_rtpmpadec_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec);
-static void gst_rtpmpadec_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec);
-
-static GstStateChangeReturn gst_rtpmpadec_change_state (GstElement * element,
- GstStateChange transition);
-
-static GstElementClass *parent_class = NULL;
-
-static GType
-gst_rtpmpadec_get_type (void)
-{
- static GType rtpmpadec_type = 0;
-
- if (!rtpmpadec_type) {
- static const GTypeInfo rtpmpadec_info = {
- sizeof (GstRtpMPADecClass),
- (GBaseInitFunc) gst_rtpmpadec_base_init,
- NULL,
- (GClassInitFunc) gst_rtpmpadec_class_init,
- NULL,
- NULL,
- sizeof (GstRtpMPADec),
- 0,
- (GInstanceInitFunc) gst_rtpmpadec_init,
- };
-
- rtpmpadec_type =
- g_type_register_static (GST_TYPE_ELEMENT, "GstRtpMPADec",
- &rtpmpadec_info, 0);
- }
- return rtpmpadec_type;
-}
-
-static void
-gst_rtpmpadec_base_init (GstRtpMPADecClass * klass)
-{
- GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
-
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&gst_rtpmpadec_src_template));
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&gst_rtpmpadec_sink_template));
-
- gst_element_class_set_details (element_class, &gst_rtp_mpadec_details);
-}
-
-static void
-gst_rtpmpadec_class_init (GstRtpMPADecClass * klass)
-{
- GObjectClass *gobject_class;
- GstElementClass *gstelement_class;
-
- gobject_class = (GObjectClass *) klass;
- gstelement_class = (GstElementClass *) klass;
-
- parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
-
- gobject_class->set_property = gst_rtpmpadec_set_property;
- gobject_class->get_property = gst_rtpmpadec_get_property;
-
- gstelement_class->change_state = gst_rtpmpadec_change_state;
-}
-
-static void
-gst_rtpmpadec_init (GstRtpMPADec * rtpmpadec)
-{
- rtpmpadec->srcpad =
- gst_pad_new_from_template (gst_static_pad_template_get
- (&gst_rtpmpadec_src_template), "src");
- gst_element_add_pad (GST_ELEMENT (rtpmpadec), rtpmpadec->srcpad);
-
- rtpmpadec->sinkpad =
- gst_pad_new_from_template (gst_static_pad_template_get
- (&gst_rtpmpadec_sink_template), "sink");
- gst_pad_set_chain_function (rtpmpadec->sinkpad, gst_rtpmpadec_chain);
- gst_element_add_pad (GST_ELEMENT (rtpmpadec), rtpmpadec->sinkpad);
-}
-
-static GstFlowReturn
-gst_rtpmpadec_chain (GstPad * pad, GstBuffer * buf)
-{
- GstRtpMPADec *rtpmpadec;
- GstBuffer *outbuf;
- guint8 pt;
- GstFlowReturn ret;
-
- rtpmpadec = GST_RTP_MPA_DEC (GST_OBJECT_PARENT (pad));
-
- if (!gst_rtpbuffer_validate (buf))
- goto bad_packet;
-
- if ((pt = gst_rtpbuffer_get_payload_type (buf)) != GST_RTP_PAYLOAD_MPA)
- goto bad_payload;
-
-
- {
- gint payload_len;
- guint8 *payload;
- guint16 frag_offset;
- guint32 timestamp;
-
- payload_len = gst_rtpbuffer_get_payload_len (buf);
- payload = gst_rtpbuffer_get_payload (buf);
-
- frag_offset = (payload[2] << 8) | payload[3];
-
- /* strip off header
- *
- * 0 1 2 3
- * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
- * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- * | MBZ | Frag_offset |
- * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- */
- payload_len -= 4;
- payload += 4;
-
- timestamp = gst_rtpbuffer_get_timestamp (buf);
-
- outbuf = gst_buffer_new_and_alloc (payload_len);
-
- //GST_BUFFER_TIMESTAMP (outbuf) = timestamp * GST_SECOND / 90000;
-
- memcpy (GST_BUFFER_DATA (outbuf), payload, payload_len);
-
- GST_DEBUG ("gst_rtpmpadec_chain: pushing buffer of size %d",
- GST_BUFFER_SIZE (outbuf));
-
- gst_buffer_unref (buf);
-
- /* FIXME, we can push half mpeg frames when they are split over multiple
- * RTP packets */
- ret = gst_pad_push (rtpmpadec->srcpad, outbuf);
- }
-
- return ret;
-
-bad_packet:
- {
- GST_DEBUG ("Packet did not validate");
- gst_buffer_unref (buf);
- return GST_FLOW_ERROR;
- }
-bad_payload:
- {
- GST_DEBUG ("Unexpected payload type %u", pt);
- gst_buffer_unref (buf);
- return GST_FLOW_ERROR;
- }
-}
-
-static void
-gst_rtpmpadec_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec)
-{
- GstRtpMPADec *rtpmpadec;
-
- rtpmpadec = GST_RTP_MPA_DEC (object);
-
- switch (prop_id) {
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-gst_rtpmpadec_get_property (GObject * object, guint prop_id, GValue * value,
- GParamSpec * pspec)
-{
- GstRtpMPADec *rtpmpadec;
-
- rtpmpadec = GST_RTP_MPA_DEC (object);
-
- switch (prop_id) {
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static GstStateChangeReturn
-gst_rtpmpadec_change_state (GstElement * element, GstStateChange transition)
-{
- GstRtpMPADec *rtpmpadec;
- GstStateChangeReturn ret;
-
- rtpmpadec = GST_RTP_MPA_DEC (element);
-
- switch (transition) {
- case GST_STATE_CHANGE_NULL_TO_READY:
- 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;
-}
-
-gboolean
-gst_rtpmpadec_plugin_init (GstPlugin * plugin)
-{
- return gst_element_register (plugin, "rtpmpadec",
- GST_RANK_NONE, GST_TYPE_RTP_MPA_DEC);
-}
generated by cgit (git 2.34.1) at 2025-06-14 20:34:30 +0000