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-rw-r--r--gst/rtp/gstrtpg711enc.c234
1 files changed, 0 insertions, 234 deletions
diff --git a/gst/rtp/gstrtpg711enc.c b/gst/rtp/gstrtpg711enc.c
deleted file mode 100644
index e83c888b..00000000
--- a/gst/rtp/gstrtpg711enc.c
+++ /dev/null
@@ -1,234 +0,0 @@
-/* GStreamer
- * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
- * Copyright (C) <2005> Edgard Lima <edgard.lima@indt.org.br>
- *
- * 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 <stdlib.h>
-#include <string.h>
-#include <gst/rtp/gstrtpbuffer.h>
-
-#include "gstrtpg711enc.h"
-
-/* elementfactory information */
-static GstElementDetails gst_rtpg711enc_details = {
- "RTP packet parser",
- "Codec/Encoder/Network",
- "Encodes PCMU/PCMA audio into a RTP packet",
- "Edgard Lima <edgard.lima@indt.org.br>"
-};
-
-static GstStaticPadTemplate gst_rtpg711enc_sink_template =
- GST_STATIC_PAD_TEMPLATE ("sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("audio/x-mulaw, channels=(int)1, rate=(int)8000 ;"
- "audio/x-alaw, channels=(int)1, rate=(int)8000")
- );
-
-static GstStaticPadTemplate gst_rtpg711enc_src_template =
- GST_STATIC_PAD_TEMPLATE ("src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("application/x-rtp, "
- "media = (string) \"audio\", "
- "payload = (int) " GST_RTP_PAYLOAD_PCMU_STRING ", "
- "clock-rate = (int) 8000, "
- "encoding-name = (string) \"PCMU\"; "
- "application/x-rtp, "
- "media = (string) \"audio\", "
- "payload = (int) " GST_RTP_PAYLOAD_PCMA_STRING ", "
- "clock-rate = (int) 8000, " "encoding-name = (string) \"PCMA\"")
- );
-
-static gboolean gst_rtpg711enc_setcaps (GstBaseRTPPayload * payload,
- GstCaps * caps);
-static GstFlowReturn gst_rtpg711enc_handle_buffer (GstBaseRTPPayload * payload,
- GstBuffer * buffer);
-static void gst_rtpg711enc_finalize (GObject * object);
-
-GST_BOILERPLATE (GstRtpG711Enc, gst_rtpg711enc, GstBaseRTPPayload,
- GST_TYPE_BASE_RTP_PAYLOAD);
-
-static void
-gst_rtpg711enc_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_rtpg711enc_sink_template));
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&gst_rtpg711enc_src_template));
- gst_element_class_set_details (element_class, &gst_rtpg711enc_details);
-}
-
-static void
-gst_rtpg711enc_class_init (GstRtpG711EncClass * 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);
- gobject_class->finalize = gst_rtpg711enc_finalize;
-
- gstbasertppayload_class->set_caps = gst_rtpg711enc_setcaps;
- gstbasertppayload_class->handle_buffer = gst_rtpg711enc_handle_buffer;
-}
-
-static void
-gst_rtpg711enc_init (GstRtpG711Enc * rtpg711enc, GstRtpG711EncClass * klass)
-{
- rtpg711enc->adapter = gst_adapter_new ();
- GST_BASE_RTP_PAYLOAD (rtpg711enc)->clock_rate = 8000;
-}
-
-static void
-gst_rtpg711enc_finalize (GObject * object)
-{
- GstRtpG711Enc *rtpg711enc;
-
- rtpg711enc = GST_RTP_G711_ENC (object);
-
- g_object_unref (rtpg711enc->adapter);
- rtpg711enc->adapter = NULL;
-
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-static gboolean
-gst_rtpg711enc_setcaps (GstBaseRTPPayload * payload, GstCaps * caps)
-{
-
- const char *stname;
- GstStructure *structure;
-
- structure = gst_caps_get_structure (caps, 0);
-
- stname = gst_structure_get_name (structure);
-
- if (0 == strcmp ("audio/x-mulaw", stname)) {
- payload->pt = GST_RTP_PAYLOAD_PCMU;
- gst_basertppayload_set_options (payload, "audio", FALSE, "PCMU", 8000);
- } else if (0 == strcmp ("audio/x-alaw", stname)) {
- payload->pt = GST_RTP_PAYLOAD_PCMA;
- gst_basertppayload_set_options (payload, "audio", FALSE, "PCMA", 8000);
- } else {
- return FALSE;
- }
-
- gst_basertppayload_set_outcaps (payload, NULL);
-
- return TRUE;
-}
-
-static GstFlowReturn
-gst_rtpg711enc_flush (GstRtpG711Enc * rtpg711enc)
-{
- guint avail;
- GstBuffer *outbuf;
- GstFlowReturn ret;
-
- /* the data available in the adapter is either smaller
- * than the MTU or bigger. In the case it is smaller, the complete
- * adapter contents can be put in one packet. */
- avail = gst_adapter_available (rtpg711enc->adapter);
-
- ret = GST_FLOW_OK;
-
- while (avail > 0) {
- guint towrite;
- guint8 *payload;
- guint8 *data;
- guint payload_len;
- guint packet_len;
-
- /* this will be the total lenght of the packet */
- packet_len = gst_rtpbuffer_calc_packet_len (avail, 0, 0);
- /* fill one MTU or all available bytes */
- towrite = MIN (packet_len, GST_BASE_RTP_PAYLOAD_MTU (rtpg711enc));
- /* this is the payload length */
- payload_len = gst_rtpbuffer_calc_payload_len (towrite, 0, 0);
- /* create buffer to hold the payload */
- outbuf = gst_rtpbuffer_new_allocate (payload_len, 0, 0);
-
- /* copy payload */
- gst_rtpbuffer_set_payload_type (outbuf,
- GST_BASE_RTP_PAYLOAD_PT (rtpg711enc));
- payload = gst_rtpbuffer_get_payload (outbuf);
- data = (guint8 *) gst_adapter_peek (rtpg711enc->adapter, payload_len);
- memcpy (payload, data, payload_len);
- gst_adapter_flush (rtpg711enc->adapter, payload_len);
-
- avail -= payload_len;
-
- GST_BUFFER_TIMESTAMP (outbuf) = rtpg711enc->first_ts;
- ret = gst_basertppayload_push (GST_BASE_RTP_PAYLOAD (rtpg711enc), outbuf);
- }
-
- return ret;
-}
-
-static GstFlowReturn
-gst_rtpg711enc_handle_buffer (GstBaseRTPPayload * basepayload,
- GstBuffer * buffer)
-{
- GstRtpG711Enc *rtpg711enc;
- guint size, packet_len, avail;
- GstFlowReturn ret;
- GstClockTime duration;
-
- rtpg711enc = GST_RTP_G711_ENC (basepayload);
-
- size = GST_BUFFER_SIZE (buffer);
- duration = GST_BUFFER_TIMESTAMP (buffer);
-
- avail = gst_adapter_available (rtpg711enc->adapter);
- if (avail == 0) {
- rtpg711enc->first_ts = GST_BUFFER_TIMESTAMP (buffer);
- rtpg711enc->duration = 0;
- }
-
- /* get packet length of data and see if we exceeded MTU. */
- packet_len = gst_rtpbuffer_calc_packet_len (avail + size, 0, 0);
-
- /* if this buffer is going to overflow the packet, flush what we
- * have. */
- if (gst_basertppayload_is_filled (basepayload,
- packet_len, rtpg711enc->duration + duration)) {
- ret = gst_rtpg711enc_flush (rtpg711enc);
- rtpg711enc->first_ts = GST_BUFFER_TIMESTAMP (buffer);
- rtpg711enc->duration = 0;
- } else {
- ret = GST_FLOW_OK;
- }
-
- gst_adapter_push (rtpg711enc->adapter, buffer);
- rtpg711enc->duration += duration;
-
- return ret;
-}
-
-gboolean
-gst_rtpg711enc_plugin_init (GstPlugin * plugin)
-{
- return gst_element_register (plugin, "rtpg711enc",
- GST_RANK_NONE, GST_TYPE_RTP_G711_ENC);
-}
generated by cgit (git 2.34.1) at 2025-06-14 23:40:54 +0000