diff options
Diffstat (limited to 'gst/rtp/gstrtpamrenc.c')
-rw-r--r-- | gst/rtp/gstrtpamrenc.c | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/gst/rtp/gstrtpamrenc.c b/gst/rtp/gstrtpamrenc.c deleted file mode 100644 index 2528a8c9..00000000 --- a/gst/rtp/gstrtpamrenc.c +++ /dev/null @@ -1,225 +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 <string.h> - -#include <gst/rtp/gstrtpbuffer.h> - -#include "gstrtpamrenc.h" - -/* references: - * - * RFC 3267 - Real-Time Transport Protocol (RTP) Payload Format and File - * Storage Format for the Adaptive Multi-Rate (AMR) and Adaptive - * Multi-Rate Wideband (AMR-WB) Audio Codecs. - */ - -/* elementfactory information */ -static GstElementDetails gst_rtp_amrenc_details = { - "RTP packet parser", - "Codec/Encoder/Network", - "Encode AMR audio into RTP packets (RFC 3267)", - "Wim Taymans <wim@fluendo.com>" -}; - -static GstStaticPadTemplate gst_rtpamrenc_sink_template = -GST_STATIC_PAD_TEMPLATE ("sink", - GST_PAD_SINK, - GST_PAD_ALWAYS, - GST_STATIC_CAPS ("audio/AMR, channels=(int)1, rate=(int)8000") - ); - -static GstStaticPadTemplate gst_rtpamrenc_src_template = -GST_STATIC_PAD_TEMPLATE ("src", - GST_PAD_SRC, - GST_PAD_ALWAYS, - GST_STATIC_CAPS ("application/x-rtp, " - "media = (string) \"audio\", " - "payload = (int) [ 96, 255 ], " - "clock-rate = (int) 8000, " - "encoding-name = (string) \"AMR\", " - "encoding-params = (string) \"1\", " - "octet-align = (string) \"1\", " - "crc = (string) \"0\", " - "robust-sorting = (string) \"0\", " - "interleaving = (string) \"0\", " - "mode-set = (int) [ 0, 7 ], " - "mode-change-period = (int) [ 1, MAX ], " - "mode-change-neighbor = (string) { \"0\", \"1\" }, " - "maxptime = (int) [ 20, MAX ], " "ptime = (int) [ 20, MAX ]") - ); - -static void gst_rtpamrenc_class_init (GstRtpAMREncClass * klass); -static void gst_rtpamrenc_base_init (GstRtpAMREncClass * klass); -static void gst_rtpamrenc_init (GstRtpAMREnc * rtpamrenc); - -static gboolean gst_rtpamrenc_setcaps (GstBaseRTPPayload * basepayload, - GstCaps * caps); -static GstFlowReturn gst_rtpamrenc_handle_buffer (GstBaseRTPPayload * pad, - GstBuffer * buffer); - -static GstBaseRTPPayloadClass *parent_class = NULL; - -static GType -gst_rtpamrenc_get_type (void) -{ - static GType rtpamrenc_type = 0; - - if (!rtpamrenc_type) { - static const GTypeInfo rtpamrenc_info = { - sizeof (GstRtpAMREncClass), - (GBaseInitFunc) gst_rtpamrenc_base_init, - NULL, - (GClassInitFunc) gst_rtpamrenc_class_init, - NULL, - NULL, - sizeof (GstRtpAMREnc), - 0, - (GInstanceInitFunc) gst_rtpamrenc_init, - }; - - rtpamrenc_type = - g_type_register_static (GST_TYPE_BASE_RTP_PAYLOAD, "GstRtpAMREnc", - &rtpamrenc_info, 0); - } - return rtpamrenc_type; -} - -static void -gst_rtpamrenc_base_init (GstRtpAMREncClass * klass) -{ - GstElementClass *element_class = GST_ELEMENT_CLASS (klass); - - gst_element_class_add_pad_template (element_class, - gst_static_pad_template_get (&gst_rtpamrenc_src_template)); - gst_element_class_add_pad_template (element_class, - gst_static_pad_template_get (&gst_rtpamrenc_sink_template)); - - gst_element_class_set_details (element_class, &gst_rtp_amrenc_details); -} - -static void -gst_rtpamrenc_class_init (GstRtpAMREncClass * klass) -{ - GObjectClass *gobject_class; - GstElementClass *gstelement_class; - GstBaseRTPPayloadClass *gstbasertppayload_class; - - gobject_class = (GObjectClass *) klass; - gstelement_class = (GstElementClass *) klass; - gstbasertppayload_class = (GstBaseRTPPayloadClass *) klass; - - parent_class = g_type_class_ref (GST_TYPE_BASE_RTP_PAYLOAD); - - gstbasertppayload_class->set_caps = gst_rtpamrenc_setcaps; - gstbasertppayload_class->handle_buffer = gst_rtpamrenc_handle_buffer; -} - -static void -gst_rtpamrenc_init (GstRtpAMREnc * rtpamrenc) -{ -} - -static gboolean -gst_rtpamrenc_setcaps (GstBaseRTPPayload * basepayload, GstCaps * caps) -{ - GstRtpAMREnc *rtpamrenc; - - rtpamrenc = GST_RTP_AMR_ENC (basepayload); - - gst_basertppayload_set_options (basepayload, "audio", TRUE, "AMR", 8000); - gst_basertppayload_set_outcaps (basepayload, - "encoding-params", G_TYPE_STRING, "1", "octet-align", G_TYPE_STRING, "1", - /* don't set the defaults - * - * "crc", G_TYPE_STRING, "0", - * "robust-sorting", G_TYPE_STRING, "0", - * "interleaving", G_TYPE_STRING, "0", - */ - NULL); - - return TRUE; -} - -static GstFlowReturn -gst_rtpamrenc_handle_buffer (GstBaseRTPPayload * basepayload, - GstBuffer * buffer) -{ - GstRtpAMREnc *rtpamrenc; - GstFlowReturn ret; - guint size, payload_len; - GstBuffer *outbuf; - guint8 *payload, *data; - GstClockTime timestamp; - - rtpamrenc = GST_RTP_AMR_ENC (basepayload); - - size = GST_BUFFER_SIZE (buffer); - timestamp = GST_BUFFER_TIMESTAMP (buffer); - - /* FIXME, only one AMR frame per RTP packet for now, - * octet aligned, no interleaving, single channel, no CRC, - * no robust-sorting. */ - - /* we need one extra byte for the CMR, the ToC is in the input - * data */ - payload_len = size + 1; - - outbuf = gst_rtpbuffer_new_allocate (payload_len, 0, 0); - /* FIXME, assert for now */ - g_assert (GST_BUFFER_SIZE (outbuf) < GST_BASE_RTP_PAYLOAD_MTU (rtpamrenc)); - - /* copy timestamp */ - GST_BUFFER_TIMESTAMP (outbuf) = timestamp; - - /* get payload */ - payload = gst_rtpbuffer_get_payload (outbuf); - - /* 0 1 2 3 4 5 6 7 - * +-+-+-+-+-+-+-+-+ - * | CMR |R|R|R|R| - * +-+-+-+-+-+-+-+-+ - */ - payload[0] = 0xF0; /* CMR, no specific mode requested */ - - data = GST_BUFFER_DATA (buffer); - - /* copy data in payload */ - memcpy (&payload[1], data, size); - - /* 0 1 2 3 4 5 6 7 - * +-+-+-+-+-+-+-+-+ - * |F| FT |Q|P|P| - * +-+-+-+-+-+-+-+-+ - */ - /* clear F flag */ - payload[1] = payload[1] & 0x7f; - - gst_buffer_unref (buffer); - - ret = gst_basertppayload_push (basepayload, outbuf); - - return ret; -} - -gboolean -gst_rtpamrenc_plugin_init (GstPlugin * plugin) -{ - return gst_element_register (plugin, "rtpamrenc", - GST_RANK_NONE, GST_TYPE_RTP_AMR_ENC); -} |