diff options
Diffstat (limited to 'gst/rtp/gstrtpg711dec.c')
-rw-r--r-- | gst/rtp/gstrtpg711dec.c | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/gst/rtp/gstrtpg711dec.c b/gst/rtp/gstrtpg711dec.c deleted file mode 100644 index 216dc386..00000000 --- a/gst/rtp/gstrtpg711dec.c +++ /dev/null @@ -1,183 +0,0 @@ -/* GStreamer - * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> - * Copyright (C) <2005> Edgard Lima <edgard.lima@indt.org.br> - * Copyright (C) <2005> Zeeshan Ali <zeenix@gmail.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 <string.h> -#include <gst/rtp/gstrtpbuffer.h> -#include "gstrtpg711dec.h" - -/* elementfactory information */ -static GstElementDetails gst_rtp_g711dec_details = { - "RTP packet parser", - "Codec/Parser/Network", - "Extracts PCMU/PCMA audio from RTP packets", - "Edgard Lima <edgard.lima@indt.org.br>, Zeeshan Ali <zeenix@gmail.com>" -}; - -/* RtpG711Dec signals and args */ -enum -{ - /* FILL ME */ - LAST_SIGNAL -}; - -enum -{ - ARG_0 -}; - -static GstStaticPadTemplate gst_rtpg711dec_sink_template = - GST_STATIC_PAD_TEMPLATE ("sink", - GST_PAD_SINK, - GST_PAD_ALWAYS, - GST_STATIC_CAPS ("application/x-rtp, " - "media = (string) \"audio\", " - "payload = (int) [ 0, 255 ], " - "clock-rate = (int) 8000, " - "encoding-name = (string) \"PCMU\"; " - "application/x-rtp, " - "media = (string) \"audio\", " - "payload = (int) [ 0, 255 ], " - "clock-rate = (int) 8000, " "encoding-name = (string) \"PCMA\"") - - ); - -static GstStaticPadTemplate gst_rtpg711dec_src_template = - GST_STATIC_PAD_TEMPLATE ("src", - GST_PAD_SRC, - GST_PAD_ALWAYS, - GST_STATIC_CAPS ("audio/x-mulaw, " - "channels = (int) 1; " "audio/x-alaw, " "channels = (int) 1") - ); - -static GstBuffer *gst_rtpg711dec_process (GstBaseRTPDepayload * depayload, - GstBuffer * buf); -static gboolean gst_rtpg711dec_setcaps (GstBaseRTPDepayload * depayload, - GstCaps * caps); - -GST_BOILERPLATE (GstRtpG711Dec, gst_rtpg711dec, GstBaseRTPDepayload, - GST_TYPE_BASE_RTP_DEPAYLOAD); - -static void -gst_rtpg711dec_base_init (gpointer klass) -{ - GstElementClass *element_class = GST_ELEMENT_CLASS (klass); - - gst_element_class_add_pad_template (element_class, - gst_static_pad_template_get (&gst_rtpg711dec_src_template)); - gst_element_class_add_pad_template (element_class, - gst_static_pad_template_get (&gst_rtpg711dec_sink_template)); - gst_element_class_set_details (element_class, &gst_rtp_g711dec_details); -} - -static void -gst_rtpg711dec_class_init (GstRtpG711DecClass * klass) -{ - GObjectClass *gobject_class; - GstElementClass *gstelement_class; - GstBaseRTPDepayloadClass *gstbasertpdepayload_class; - - gobject_class = (GObjectClass *) klass; - gstelement_class = (GstElementClass *) klass; - gstbasertpdepayload_class = (GstBaseRTPDepayloadClass *) klass; - - parent_class = g_type_class_ref (GST_TYPE_BASE_RTP_DEPAYLOAD); - - gstbasertpdepayload_class->process = gst_rtpg711dec_process; - gstbasertpdepayload_class->set_caps = gst_rtpg711dec_setcaps; -} - -static void -gst_rtpg711dec_init (GstRtpG711Dec * rtpg711dec, GstRtpG711DecClass * klass) -{ - GstBaseRTPDepayload *depayload; - - depayload = GST_BASE_RTP_DEPAYLOAD (rtpg711dec); - - depayload->clock_rate = 8000; - gst_pad_use_fixed_caps (GST_BASE_RTP_DEPAYLOAD_SRCPAD (depayload)); -} - -static gboolean -gst_rtpg711dec_setcaps (GstBaseRTPDepayload * depayload, GstCaps * caps) -{ - GstCaps *srccaps; - const gchar *enc_name; - GstStructure *structure; - gboolean ret; - - structure = gst_caps_get_structure (caps, 0); - enc_name = gst_structure_get_string (structure, "encoding-name"); - - if (NULL == enc_name) { - return FALSE; - } - - if (0 == strcmp ("PCMU", enc_name)) { - srccaps = gst_caps_new_simple ("audio/x-mulaw", - "channels", G_TYPE_INT, 1, "rate", G_TYPE_INT, 8000, NULL); - } else if (0 == strcmp ("PCMA", enc_name)) { - srccaps = gst_caps_new_simple ("audio/x-alaw", - "channels", G_TYPE_INT, 1, "rate", G_TYPE_INT, 8000, NULL); - } else { - return FALSE; - } - - ret = gst_pad_set_caps (GST_BASE_RTP_DEPAYLOAD_SRCPAD (depayload), srccaps); - gst_caps_unref (srccaps); - - return ret; -} - -static GstBuffer * -gst_rtpg711dec_process (GstBaseRTPDepayload * depayload, GstBuffer * buf) -{ - GstCaps *srccaps; - GstBuffer *outbuf = NULL; - gint payload_len; - guint8 *payload; - - GST_DEBUG ("process : got %d bytes, mark %d ts %u seqn %d", - GST_BUFFER_SIZE (buf), - gst_rtpbuffer_get_marker (buf), - gst_rtpbuffer_get_timestamp (buf), gst_rtpbuffer_get_seq (buf)); - - srccaps = GST_PAD_CAPS (GST_BASE_RTP_DEPAYLOAD_SRCPAD (depayload)); - if (!srccaps) { - /* Set the default caps */ - srccaps = gst_caps_new_simple ("audio/x-mulaw", - "channels", G_TYPE_INT, 1, "rate", G_TYPE_INT, 8000, NULL); - gst_pad_set_caps (GST_BASE_RTP_DEPAYLOAD_SRCPAD (depayload), srccaps); - gst_caps_unref (srccaps); - } - - payload_len = gst_rtpbuffer_get_payload_len (buf); - payload = gst_rtpbuffer_get_payload (buf); - - outbuf = gst_buffer_new_and_alloc (payload_len); - memcpy (GST_BUFFER_DATA (outbuf), payload, payload_len); - return outbuf; -} - -gboolean -gst_rtpg711dec_plugin_init (GstPlugin * plugin) -{ - return gst_element_register (plugin, "rtpg711dec", - GST_RANK_NONE, GST_TYPE_RTP_G711_DEC); -} |