mirror of
https://gitlab.xiph.org/xiph/icecast-server.git
synced 2024-08-18 03:34:14 -04:00
mainly due to client support, but they are only for detection and plug straight into the ogg handler. The win32 project files will need updating to take the new files into account svn path=/icecast/trunk/icecast/; revision=9225
93 lines
2.3 KiB
C
93 lines
2.3 KiB
C
/* Icecast
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*
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* This program is distributed under the GNU General Public License, version 2.
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* A copy of this license is included with this source.
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*
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* Copyright 2000-2004, Jack Moffitt <jack@xiph.org>,
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* Michael Smith <msmith@xiph.org>,
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* oddsock <oddsock@xiph.org>,
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* Karl Heyes <karl@xiph.org>
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* and others (see AUTHORS for details).
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*/
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/* Ogg codec handler for speex streams */
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdlib.h>
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#include <ogg/ogg.h>
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#include <speex/speex_header.h>
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typedef struct source_tag source_t;
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#include "format_speex.h"
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#include "refbuf.h"
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#include "client.h"
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#define CATMODULE "format-speex"
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#include "logging.h"
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static void speex_codec_free (ogg_state_t *ogg_info, ogg_codec_t *codec)
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{
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ogg_stream_clear (&codec->os);
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free (codec);
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}
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static refbuf_t *process_speex_page (ogg_state_t *ogg_info,
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ogg_codec_t *codec, ogg_page *page)
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{
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refbuf_t *refbuf;
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if (codec->headers < 2)
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{
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ogg_packet packet;
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ogg_stream_pagein (&codec->os, page);
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while (ogg_stream_packetout (&codec->os, &packet) > 0)
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{
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/* first time around (normal case) yields comments */
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codec->headers++;
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}
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/* add header page to associated list */
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format_ogg_attach_header (ogg_info, page);
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return NULL;
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}
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refbuf = make_refbuf_with_page (page);
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return refbuf;
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}
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ogg_codec_t *initial_speex_page (format_plugin_t *plugin, ogg_page *page)
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{
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ogg_state_t *ogg_info = plugin->_state;
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ogg_codec_t *codec = calloc (1, sizeof (ogg_codec_t));
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ogg_packet packet;
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SpeexHeader *header;
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ogg_stream_init (&codec->os, ogg_page_serialno (page));
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ogg_stream_pagein (&codec->os, page);
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ogg_stream_packetout (&codec->os, &packet);
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DEBUG0("checking for speex codec");
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header = speex_packet_to_header (packet.packet, packet.bytes);
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if (header == NULL)
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{
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ogg_stream_clear (&codec->os);
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free (header);
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free (codec);
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return NULL;
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}
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INFO0 ("seen initial speex header");
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codec->process_page = process_speex_page;
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codec->codec_free = speex_codec_free;
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codec->headers = 1;
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format_ogg_attach_header (ogg_info, page);
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free (header);
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return codec;
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}
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