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Over-writing Wim's gsm plugins (currently not working) with that from the farsight repo. Also made sure that they wor...
Original commit message from CVS: Over-writing Wim's gsm plugins (currently not working) with that from the farsight repo. Also made sure that they work with the RTP (de)payloader.
This commit is contained in:
Zeeshan Ali
parent
4d87f79f85
commit
6510eef093
6 changed files with 105 additions and 182 deletions
12
ChangeLog
12
ChangeLog
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@ -1,3 +1,15 @@
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2005-10-25 Zeeshan Ali <zeenix@gmail.com>
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* ext/gsm/gstgsm.c: (plugin_init):
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* ext/gsm/gstgsmdec.c: (gst_gsmdec_class_init), (gst_gsmdec_init),
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(gst_gsmdec_chain):
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* ext/gsm/gstgsmdec.h:
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* ext/gsm/gstgsmenc.c: (gst_gsmenc_class_init), (gst_gsmenc_init),
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(gst_gsmenc_chain):
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* ext/gsm/gstgsmenc.h:
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Over-writing Wim's gsm plugins (currently not working) with that from the
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farsight repo. Also made sure that they work with the RTP (de)payloader.
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2005-10-25 Edgard Lima <edgard.lima@indt.org.br>
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* ext/gsm/gstgsmenc.c: (gst_gsmenc_init),
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@ -1,5 +1,7 @@
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/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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/*
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* Farsight
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* GStreamer GSM encoder/decoder (uses WAV49 compiled libgsm)
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* Copyright (C) 2005 Philippe Khalaf <burger@speedy.org>
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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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@ -29,14 +31,14 @@ plugin_init (GstPlugin * plugin)
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{
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if (!gst_element_register (plugin, "gsmenc", GST_RANK_NONE, GST_TYPE_GSMENC))
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return FALSE;
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if (!gst_element_register (plugin, "gsmdec", GST_RANK_PRIMARY,
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GST_TYPE_GSMDEC))
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if (!gst_element_register (plugin, "gsmdec", GST_RANK_NONE, GST_TYPE_GSMDEC))
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return FALSE;
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return TRUE;
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}
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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"gsm",
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"GSM Elements Plugin",
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plugin_init, VERSION, "LGPL", GST_PACKAGE, GST_ORIGIN)
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"GSM encoder/decoder",
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plugin_init, VERSION, "LGPL", "Farsight", "http://farsight.sf.net")
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@ -1,5 +1,7 @@
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/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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/*
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* Farsight
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* GStreamer GSM decoder
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* Copyright (C) 2005 Philippe Khalaf <burger@speedy.org>
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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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@ -25,12 +27,15 @@
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#include "gstgsmdec.h"
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GST_DEBUG_CATEGORY (gsmdec_debug);
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#define GST_CAT_DEFAULT (gsmdec_debug)
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/* elementfactory information */
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GstElementDetails gst_gsmdec_details = {
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"GSM audio decoder",
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"Codec/Decoder/Audio",
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"Decodes GSM encoded audio",
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"Wim Taymans <wim.taymans@chello.be>",
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"Philippe Khalaf <burger@speedy.org>",
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};
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/* GSMDec signals and args */
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@ -42,15 +47,15 @@ enum
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enum
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{
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ARG_0
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/* FILL ME */
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ARG_0
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};
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static void gst_gsmdec_base_init (gpointer g_class);
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static void gst_gsmdec_class_init (GstGSMDec * klass);
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static void gst_gsmdec_init (GstGSMDec * gsmdec);
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static GstFlowReturn gst_gsmdec_chain (GstPad * pad, GstBuffer * buffer);
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static GstFlowReturn gst_gsmdec_chain (GstPad * pad, GstBuffer * buf);
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static GstElementClass *parent_class = NULL;
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@ -118,13 +123,13 @@ gst_gsmdec_class_init (GstGSMDec * klass)
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gstelement_class = (GstElementClass *) klass;
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parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
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GST_DEBUG_CATEGORY_INIT (gsmdec_debug, "gsmdec", 0, "GSM Decoder");
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}
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static void
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gst_gsmdec_init (GstGSMDec * gsmdec)
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{
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GST_DEBUG ("gst_gsmdec_init: initializing");
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/* create the sink and src pads */
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gsmdec->sinkpad =
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gst_pad_new_from_template (gst_static_pad_template_get
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@ -138,72 +143,63 @@ gst_gsmdec_init (GstGSMDec * gsmdec)
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gst_element_add_pad (GST_ELEMENT (gsmdec), gsmdec->srcpad);
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gsmdec->state = gsm_create ();
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gsmdec->bufsize = 0;
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gsmdec->next_ts = 0;
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// turn on WAN49 handling
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gint use_wav49 = 0;
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gsm_option (gsmdec->state, GSM_OPT_WAV49, &use_wav49);
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gsmdec->next_of = 0;
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gsmdec->next_ts = 0;
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}
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static GstFlowReturn
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gst_gsmdec_chain (GstPad * pad, GstBuffer * buf)
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{
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GstGSMDec *gsmdec;
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gsm_byte *data;
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g_return_val_if_fail (GST_IS_PAD (pad), GST_FLOW_ERROR);
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gsmdec = GST_GSMDEC (gst_pad_get_parent (pad));
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g_return_val_if_fail (GST_IS_GSMDEC (gsmdec), GST_FLOW_ERROR);
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gsm_byte *data = (gsm_byte *) GST_BUFFER_DATA (buf);
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guint size = GST_BUFFER_SIZE (buf);
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g_return_val_if_fail (GST_PAD_IS_LINKED (gsmdec->srcpad), GST_FLOW_ERROR);
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if (gsmdec->bufsize && (gsmdec->bufsize + size >= 33)) {
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// do we have enough bytes to read a header
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if (GST_BUFFER_SIZE (buf) >= 33) {
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GstBuffer *outbuf;
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memcpy (gsmdec->buffer + gsmdec->bufsize, data,
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(33 - gsmdec->bufsize) * sizeof (gsm_byte));
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outbuf = gst_buffer_new_and_alloc (160 * sizeof (gsm_signal));
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// TODO take new segment in consideration, if not given restart
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// timestamps at 0
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if (GST_BUFFER_TIMESTAMP (buf) == GST_CLOCK_TIME_NONE) {
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/* If we are not given any timestamp */
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GST_BUFFER_TIMESTAMP (outbuf) = gsmdec->next_ts;
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GST_BUFFER_DURATION (outbuf) = 20 * GST_MSECOND;
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GST_BUFFER_OFFSET (outbuf) = gsmdec->next_of;
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GST_BUFFER_OFFSET_END (outbuf) = gsmdec->next_of + 160 - 1;
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gst_buffer_set_caps (outbuf, gst_pad_get_caps (gsmdec->srcpad));
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gsmdec->next_ts += 20 * GST_MSECOND;
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gsmdec->next_of += 160;
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gsm_decode (gsmdec->state, gsmdec->buffer,
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(gsm_signal *) GST_BUFFER_DATA (outbuf));
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gst_pad_push (gsmdec->srcpad, outbuf);
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size -= (33 - gsmdec->bufsize);
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data += (33 - gsmdec->bufsize);
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gsmdec->bufsize = 0;
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}
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while (size >= 33) {
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GstBuffer *outbuf;
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else {
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/* But if you insist on giving us a timestamp, you are welcome. */
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GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf);
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}
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outbuf = gst_buffer_new_and_alloc (160 * sizeof (gsm_signal));
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GST_BUFFER_TIMESTAMP (outbuf) = gsmdec->next_ts;
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GST_BUFFER_DURATION (outbuf) = 20 * GST_MSECOND;
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GST_BUFFER_OFFSET (outbuf) = gsmdec->next_of;
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GST_BUFFER_OFFSET_END (outbuf) = gsmdec->next_of + 160 - 1;
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gst_buffer_set_caps (outbuf, gst_pad_get_caps (gsmdec->srcpad));
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gsmdec->next_ts += 20 * GST_MSECOND;
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gsmdec->next_of += 160;
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data = (gsm_byte *) GST_BUFFER_DATA (buf);
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gsm_decode (gsmdec->state, data, (gsm_signal *) GST_BUFFER_DATA (outbuf));
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GST_DEBUG ("Pushing buffer of size %d ts %" GST_TIME_FORMAT,
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GST_BUFFER_SIZE (outbuf),
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GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (outbuf)));
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//gst_util_dump_mem (GST_BUFFER_DATA(outbuf), GST_BUFFER_SIZE (outbuf));
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gst_pad_push (gsmdec->srcpad, outbuf);
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size -= 33;
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data += 33;
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}
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if (size) {
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memcpy (gsmdec->buffer + gsmdec->bufsize, data, size * sizeof (gsm_byte));
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gsmdec->bufsize += size;
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}
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gst_buffer_unref (buf);
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return GST_FLOW_OK;
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}
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@ -1,5 +1,7 @@
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/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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/*
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* Farsight
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* GStreamer GSM decoder (uses WAV49 compiled libgsm)
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* Copyright (C) 2005 Philippe Khalaf <burger@speedy.org>
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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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@ -52,10 +54,8 @@ struct _GstGSMDec
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GstPad *sinkpad, *srcpad;
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gsm state;
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gsm_byte buffer[33];
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gint bufsize;
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GstClockTime next_ts;
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gint64 next_of;
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GstClockTime next_ts;
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};
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struct _GstGSMDecClass
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@ -1,5 +1,7 @@
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/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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/*
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* Farsight
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* GStreamer GSM encoder
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* Copyright (C) 2005 Philippe Khalaf <burger@speedy.org>
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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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@ -25,26 +27,28 @@
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#include "gstgsmenc.h"
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GST_DEBUG_CATEGORY (gsmenc_debug);
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#define GST_CAT_DEFAULT (gsmenc_debug)
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/* elementfactory information */
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GstElementDetails gst_gsmenc_details = {
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"GSM audio encoder",
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"Codec/Encoder/Audio",
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"Encodes audio using GSM",
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"Wim Taymans <wim.taymans@chello.be>",
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"Encodes GSM audio",
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"Philippe Khalaf <burger@speedy.org>",
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};
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/* GSMEnc signals and args */
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enum
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{
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FRAME_ENCODED,
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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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ARG_0
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/* FILL ME */
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ARG_0
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};
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static void gst_gsmenc_base_init (gpointer g_class);
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@ -54,10 +58,6 @@ static void gst_gsmenc_init (GstGSMEnc * gsmenc);
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static GstFlowReturn gst_gsmenc_chain (GstPad * pad, GstBuffer * buf);
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static GstElementClass *parent_class = NULL;
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static guint gst_gsmenc_signals[LAST_SIGNAL] = { 0 };
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static gboolean gst_gsmenc_sink_event (GstPad * pad, GstEvent * event);
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GType
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gst_gsmenc_get_type (void)
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@ -124,13 +124,9 @@ gst_gsmenc_class_init (GstGSMEnc * klass)
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parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
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gst_gsmenc_signals[FRAME_ENCODED] =
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g_signal_new ("frame-encoded", G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstGSMEncClass, frame_encoded), NULL,
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NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0);
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GST_DEBUG_CATEGORY_INIT (gsmenc_debug, "gsmenc", 0, "GSM Encoder");
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}
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static void
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gst_gsmenc_init (GstGSMEnc * gsmenc)
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{
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@ -140,7 +136,6 @@ gst_gsmenc_init (GstGSMEnc * gsmenc)
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(&gsmenc_sink_template), "sink");
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gst_element_add_pad (GST_ELEMENT (gsmenc), gsmenc->sinkpad);
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gst_pad_set_chain_function (gsmenc->sinkpad, gst_gsmenc_chain);
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gst_pad_set_event_function (gsmenc->sinkpad, gst_gsmenc_sink_event);
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gsmenc->srcpad =
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gst_pad_new_from_template (gst_static_pad_template_get
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@ -148,42 +143,14 @@ gst_gsmenc_init (GstGSMEnc * gsmenc)
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gst_element_add_pad (GST_ELEMENT (gsmenc), gsmenc->srcpad);
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gsmenc->state = gsm_create ();
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gsmenc->bufsize = 0;
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// turn on WAN49 handling
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gint use_wav49 = 0;
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gsm_option (gsmenc->state, GSM_OPT_WAV49, &use_wav49);
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gsmenc->adapter = gst_adapter_new ();
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gsmenc->next_ts = 0;
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gsmenc->firstBuf = TRUE;
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}
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static gboolean
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gst_gsmenc_sink_event (GstPad * pad, GstEvent * event)
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{
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GstGSMEnc *gsmenc;
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gsmenc = GST_GSMENC (GST_OBJECT_PARENT (pad));
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gboolean ret = TRUE;
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switch (GST_EVENT_TYPE (event)) {
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case GST_EVENT_EOS:
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{
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GST_STREAM_LOCK (pad);
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ret = gst_pad_push_event (gsmenc->srcpad, event);
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GST_STREAM_UNLOCK (pad);
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break;
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}
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case GST_EVENT_NEWSEGMENT:
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{
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/* drop the discontinuity */
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gst_event_unref (event);
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break;
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}
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default:
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{
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gst_pad_event_default (pad, event);
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break;
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}
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}
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return ret;
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}
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static GstFlowReturn
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@ -191,51 +158,18 @@ gst_gsmenc_chain (GstPad * pad, GstBuffer * buf)
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{
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GstGSMEnc *gsmenc;
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gsm_signal *data;
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guint size;
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GstFlowReturn ret = GST_FLOW_OK;
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|
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g_return_val_if_fail (GST_IS_PAD (pad), GST_FLOW_ERROR);
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gsmenc = GST_GSMENC (gst_pad_get_parent (pad));
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g_return_val_if_fail (GST_IS_GSMENC (gsmenc), GST_FLOW_ERROR);
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data = (gsm_signal *) GST_BUFFER_DATA (buf);
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size = GST_BUFFER_SIZE (buf) / sizeof (gsm_signal);
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g_return_val_if_fail (GST_PAD_IS_LINKED (gsmenc->srcpad), GST_FLOW_ERROR);
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if (gsmenc->bufsize && (gsmenc->bufsize + size >= 160)) {
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GstBuffer *outbuf;
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gst_adapter_push (gsmenc->adapter, buf);
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|
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memcpy (gsmenc->buffer + gsmenc->bufsize, data,
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(160 - gsmenc->bufsize) * sizeof (gsm_signal));
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while (gst_adapter_available (gsmenc->adapter) >= 320) {
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outbuf = gst_buffer_new_and_alloc (33 * sizeof (gsm_byte));
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GST_BUFFER_TIMESTAMP (outbuf) = gsmenc->next_ts;
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GST_BUFFER_DURATION (outbuf) = 20 * GST_MSECOND;
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gsmenc->next_ts += 20 * GST_MSECOND;
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gsm_encode (gsmenc->state, gsmenc->buffer,
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(gsm_byte *) GST_BUFFER_DATA (outbuf));
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gst_buffer_set_caps (outbuf, GST_PAD_CAPS (gsmenc->srcpad));
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if (gsmenc->firstBuf) {
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gst_pad_push_event (gsmenc->srcpad,
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gst_event_new_newsegment (FALSE, 1.0, GST_FORMAT_DEFAULT,
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0, GST_CLOCK_TIME_NONE, 0));
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gsmenc->firstBuf = FALSE;
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}
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ret = gst_pad_push (gsmenc->srcpad, outbuf);
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if (ret != GST_FLOW_OK) {
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gst_buffer_unref (outbuf);
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goto error;
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}
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size -= (160 - gsmenc->bufsize);
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data += (160 - gsmenc->bufsize);
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gsmenc->bufsize = 0;
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}
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while (size >= 160) {
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GstBuffer *outbuf;
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outbuf = gst_buffer_new_and_alloc (33 * sizeof (gsm_byte));
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|
|
@ -243,34 +177,16 @@ gst_gsmenc_chain (GstPad * pad, GstBuffer * buf)
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GST_BUFFER_DURATION (outbuf) = 20 * GST_MSECOND;
|
||||
gsmenc->next_ts += 20 * GST_MSECOND;
|
||||
|
||||
// encode 160 16-bit samples into 33 bytes
|
||||
data = (gsm_signal *) gst_adapter_peek (gsmenc->adapter, 320);
|
||||
gsm_encode (gsmenc->state, data, (gsm_byte *) GST_BUFFER_DATA (outbuf));
|
||||
gst_adapter_flush (gsmenc->adapter, 320);
|
||||
|
||||
gst_buffer_set_caps (outbuf, GST_PAD_CAPS (gsmenc->srcpad));
|
||||
if (gsmenc->firstBuf) {
|
||||
gst_pad_push_event (gsmenc->srcpad,
|
||||
gst_event_new_newsegment (FALSE, 1.0, GST_FORMAT_DEFAULT,
|
||||
0, GST_CLOCK_TIME_NONE, 0));
|
||||
gsmenc->firstBuf = FALSE;
|
||||
}
|
||||
ret = gst_pad_push (gsmenc->srcpad, outbuf);
|
||||
|
||||
if (ret != GST_FLOW_OK) {
|
||||
gst_buffer_unref (outbuf);
|
||||
goto error;
|
||||
gst_buffer_set_caps (outbuf, gst_pad_get_caps (gsmenc->srcpad));
|
||||
GST_DEBUG ("Pushing buffer of size %d", GST_BUFFER_SIZE (outbuf));
|
||||
//gst_util_dump_mem (GST_BUFFER_DATA(outbuf), GST_BUFFER_SIZE (outbuf));
|
||||
gst_pad_push (gsmenc->srcpad, outbuf);
|
||||
}
|
||||
|
||||
size -= 160;
|
||||
data += 160;
|
||||
}
|
||||
|
||||
if (size) {
|
||||
memcpy (gsmenc->buffer + gsmenc->bufsize, data, size * sizeof (gsm_signal));
|
||||
gsmenc->bufsize += size;
|
||||
}
|
||||
|
||||
error:
|
||||
|
||||
gst_object_unref (gsmenc);
|
||||
return ret;
|
||||
|
||||
return GST_FLOW_OK;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -21,6 +21,7 @@
|
|||
#define __GST_GSMENC_H__
|
||||
|
||||
#include <gst/gst.h>
|
||||
#include <gst/base/gstadapter.h>
|
||||
|
||||
#ifdef GSM_HEADER_IN_SUBDIR
|
||||
#include <gsm/gsm.h>
|
||||
|
|
@ -50,10 +51,9 @@ struct _GstGSMEnc
|
|||
|
||||
/* pads */
|
||||
GstPad *sinkpad, *srcpad;
|
||||
GstAdapter *adapter;
|
||||
|
||||
gsm state;
|
||||
gsm_signal buffer[160];
|
||||
gint bufsize;
|
||||
GstClockTime next_ts;
|
||||
gboolean firstBuf;
|
||||
};
|
||||
|
|
@ -61,9 +61,6 @@ struct _GstGSMEnc
|
|||
struct _GstGSMEncClass
|
||||
{
|
||||
GstElementClass parent_class;
|
||||
|
||||
/* signals */
|
||||
void (*frame_encoded) (GstElement * element);
|
||||
};
|
||||
|
||||
GType gst_gsmenc_get_type (void);
|
||||
|
|
|
|||
Loading…
Reference in a new issue