2 * Copyright (C) <2005,2006> Wim Taymans <wim@fluendo.com>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
19 /* Element-Checklist-Version: 5 */
22 * SECTION:element-rtspreal
25 * A RealMedia RTSP extension
39 #include <gst/rtsp/gstrtspextension.h>
45 GST_DEBUG_CATEGORY_STATIC (rtspreal_debug);
46 #define GST_CAT_DEFAULT (rtspreal_debug)
48 #define SERVER_PREFIX "RealServer"
49 #define DEFAULT_BANDWIDTH "10485800"
52 rtsp_ext_real_get_transports (GstRTSPExtension * ext,
53 GstRTSPLowerTrans protocols, gchar ** transport)
55 GstRTSPReal *ctx = (GstRTSPReal *) ext;
61 GST_DEBUG_OBJECT (ext, "generating transports for %d", protocols);
63 str = g_string_new ("");
66 if (protocols & GST_RTSP_LOWER_TRANS_UDP_MCAST) {
67 g_string_append (str, "x-real-rdt/mcast;client_port=%%u1;mode=play,");
69 if (protocols & GST_RTSP_LOWER_TRANS_UDP) {
70 g_string_append (str, "x-real-rdt/udp;client_port=%%u1;mode=play,");
71 g_string_append (str, "x-pn-tng/udp;client_port=%%u1;mode=play,");
74 if (protocols & GST_RTSP_LOWER_TRANS_TCP) {
75 g_string_append (str, "x-real-rdt/tcp;mode=play,");
76 g_string_append (str, "x-pn-tng/tcp;mode=play,");
79 /* if we added something, remove trailing ',' */
81 g_string_truncate (str, str->len - 1);
83 *transport = g_string_free (str, FALSE);
89 rtsp_ext_real_before_send (GstRTSPExtension * ext, GstRTSPMessage * request)
91 GstRTSPReal *ctx = (GstRTSPReal *) ext;
93 switch (request->type_data.request.method) {
94 case GST_RTSP_OPTIONS:
96 gst_rtsp_message_add_header (request, GST_RTSP_HDR_USER_AGENT,
97 //"RealMedia Player (" GST_PACKAGE_NAME ")");
98 "RealMedia Player Version 6.0.9.1235 (linux-2.0-libc6-i386-gcc2.95)");
99 gst_rtsp_message_add_header (request, GST_RTSP_HDR_CLIENT_CHALLENGE,
100 "9e26d33f2984236010ef6253fb1887f7");
101 gst_rtsp_message_add_header (request, GST_RTSP_HDR_COMPANY_ID,
102 "KnKV4M4I/B2FjJ1TToLycw==");
103 gst_rtsp_message_add_header (request, GST_RTSP_HDR_GUID,
104 "00000000-0000-0000-0000-000000000000");
105 gst_rtsp_message_add_header (request, GST_RTSP_HDR_REGION_DATA, "0");
106 gst_rtsp_message_add_header (request, GST_RTSP_HDR_PLAYER_START_TIME,
107 "[28/03/2003:22:50:23 00:00]");
108 gst_rtsp_message_add_header (request, GST_RTSP_HDR_CLIENT_ID,
109 "Linux_2.4_6.0.9.1235_play32_RN01_EN_586");
113 case GST_RTSP_DESCRIBE:
116 gst_rtsp_message_add_header (request, GST_RTSP_HDR_BANDWIDTH,
118 gst_rtsp_message_add_header (request, GST_RTSP_HDR_GUID,
119 "00000000-0000-0000-0000-000000000000");
120 gst_rtsp_message_add_header (request, GST_RTSP_HDR_REGION_DATA, "0");
121 gst_rtsp_message_add_header (request, GST_RTSP_HDR_CLIENT_ID,
122 "Linux_2.4_6.0.9.1235_play32_RN01_EN_586");
123 gst_rtsp_message_add_header (request, GST_RTSP_HDR_MAX_ASM_WIDTH, "1");
124 gst_rtsp_message_add_header (request, GST_RTSP_HDR_LANGUAGE, "en-US");
125 gst_rtsp_message_add_header (request, GST_RTSP_HDR_REQUIRE,
126 "com.real.retain-entity-for-setup");
134 g_strdup_printf ("%s, sd=%s", ctx->challenge2, ctx->checksum);
135 gst_rtsp_message_add_header (request, GST_RTSP_HDR_REAL_CHALLENGE2,
137 gst_rtsp_message_add_header (request, GST_RTSP_HDR_IF_MATCH, ctx->etag);
149 rtsp_ext_real_after_send (GstRTSPExtension * ext, GstRTSPMessage * req,
150 GstRTSPMessage * resp)
152 GstRTSPReal *ctx = (GstRTSPReal *) ext;
154 switch (req->type_data.request.method) {
155 case GST_RTSP_OPTIONS:
157 gchar *challenge1 = NULL;
158 gchar *server = NULL;
160 gst_rtsp_message_get_header (resp, GST_RTSP_HDR_SERVER, &server, 0);
162 gst_rtsp_message_get_header (resp, GST_RTSP_HDR_REAL_CHALLENGE1,
167 gst_rtsp_ext_real_calc_response_and_checksum (ctx->challenge2,
168 ctx->checksum, challenge1);
170 GST_DEBUG_OBJECT (ctx, "Found Real challenge tag");
174 case GST_RTSP_DESCRIBE:
179 gst_rtsp_message_get_header (resp, GST_RTSP_HDR_ETAG, &etag, 0);
181 len = sizeof (ctx->etag);
182 strncpy (ctx->etag, etag, len);
183 ctx->etag[len - 1] = '\0';
195 GST_DEBUG_OBJECT (ctx, "Could not find challenge tag.");
201 #define ENSURE_SIZE(size) \
203 while (data_len < size) { \
205 data = g_realloc (data, data_len); \
209 #define READ_BUFFER_GEN(src, func, name, dest, dest_len) \
211 dest = (gchar *)func (src, name); \
214 dest = (char *) ""; \
216 else if (!strncmp (dest, "buffer;\"", 8)) { \
218 dest_len = strlen (dest) - 1; \
219 dest[dest_len] = '\0'; \
220 g_base64_decode_inplace (dest, &dest_len); \
224 #define READ_BUFFER(sdp, name, dest, dest_len) \
225 READ_BUFFER_GEN(sdp, gst_sdp_message_get_attribute_val, name, dest, dest_len)
226 #define READ_BUFFER_M(media, name, dest, dest_len) \
227 READ_BUFFER_GEN(media, gst_sdp_media_get_attribute_val, name, dest, dest_len)
229 #define READ_INT_GEN(src, func, name, dest) \
231 const gchar *val = func (src, name); \
232 if (val && !strncmp (val, "integer;", 8)) \
233 dest = atoi (val + 8); \
238 #define READ_INT(sdp, name, dest) \
239 READ_INT_GEN(sdp, gst_sdp_message_get_attribute_val, name, dest)
240 #define READ_INT_M(media, name, dest) \
241 READ_INT_GEN(media, gst_sdp_media_get_attribute_val, name, dest)
243 #define READ_STRING(media, name, dest, dest_len) \
245 const gchar *val = gst_sdp_media_get_attribute_val (media, name); \
246 if (val && !strncmp (val, "string;\"", 8)) { \
247 dest = (gchar *) val + 8; \
248 dest_len = strlen (dest) - 1; \
249 dest[dest_len] = '\0'; \
251 dest = (char *) ""; \
256 #define WRITE_STRING1(datap, str, str_len) \
259 memcpy ((datap) + 1, str, str_len); \
260 datap += str_len + 1; \
263 #define WRITE_STRING2(datap, str, str_len) \
265 GST_WRITE_UINT16_BE (datap, str_len); \
266 memcpy (datap + 2, str, str_len); \
267 datap += str_len + 2; \
271 rtsp_ext_real_parse_sdp (GstRTSPExtension * ext, GstSDPMessage * sdp,
272 GstStructure * props)
274 GstRTSPReal *ctx = (GstRTSPReal *) ext;
277 gchar *title, *author, *copyright, *comment;
278 gsize title_len, author_len, copyright_len, comment_len;
279 guint8 *data = NULL, *datap;
280 guint data_len = 0, offset;
283 gsize opaque_data_len, asm_rule_book_len;
287 /* don't bother for non-real formats */
288 READ_INT (sdp, "IsRealDataType", ctx->isreal);
292 /* Force PAUSE | PLAY */
293 //src->methods |= GST_RTSP_PLAY | GST_RTSP_PAUSE;
295 ctx->n_streams = gst_sdp_message_medias_len (sdp);
297 ctx->max_bit_rate = 0;
298 ctx->avg_bit_rate = 0;
299 ctx->max_packet_size = 0;
300 ctx->avg_packet_size = 0;
303 for (i = 0; i < ctx->n_streams; i++) {
304 const GstSDPMedia *media;
307 media = gst_sdp_message_get_media (sdp, i);
309 READ_INT_M (media, "MaxBitRate", intval);
310 ctx->max_bit_rate += intval;
311 READ_INT_M (media, "AvgBitRate", intval);
312 ctx->avg_bit_rate += intval;
313 READ_INT_M (media, "MaxPacketSize", intval);
314 ctx->max_packet_size = MAX (ctx->max_packet_size, intval);
315 READ_INT_M (media, "AvgPacketSize", intval);
316 ctx->avg_packet_size = (ctx->avg_packet_size * i + intval) / (i + 1);
317 READ_INT_M (media, "Duration", intval);
318 ctx->duration = MAX (ctx->duration, intval);
321 /* FIXME: use GstByteWriter to write the header */
326 datap = data + offset;
328 memcpy (datap + 0, "PROP", 4);
329 GST_WRITE_UINT32_BE (datap + 4, size);
330 GST_WRITE_UINT16_BE (datap + 8, 0);
331 GST_WRITE_UINT32_BE (datap + 10, ctx->max_bit_rate);
332 GST_WRITE_UINT32_BE (datap + 14, ctx->avg_bit_rate);
333 GST_WRITE_UINT32_BE (datap + 18, ctx->max_packet_size);
334 GST_WRITE_UINT32_BE (datap + 22, ctx->avg_packet_size);
335 GST_WRITE_UINT32_BE (datap + 26, 0);
336 GST_WRITE_UINT32_BE (datap + 30, ctx->duration);
337 GST_WRITE_UINT32_BE (datap + 34, 0);
338 GST_WRITE_UINT32_BE (datap + 38, 0);
339 GST_WRITE_UINT32_BE (datap + 42, 0);
340 GST_WRITE_UINT16_BE (datap + 46, ctx->n_streams);
341 GST_WRITE_UINT16_BE (datap + 48, 0);
345 READ_BUFFER (sdp, "Title", title, title_len);
346 READ_BUFFER (sdp, "Author", author, author_len);
347 READ_BUFFER (sdp, "Comment", comment, comment_len);
348 READ_BUFFER (sdp, "Copyright", copyright, copyright_len);
350 size = 18 + title_len + author_len + comment_len + copyright_len;
351 ENSURE_SIZE (offset + size);
352 datap = data + offset;
354 memcpy (datap, "CONT", 4);
355 GST_WRITE_UINT32_BE (datap + 4, size);
356 GST_WRITE_UINT16_BE (datap + 8, 0); /* Version */
358 WRITE_STRING2 (datap, title, title_len);
359 WRITE_STRING2 (datap, author, author_len);
360 WRITE_STRING2 (datap, copyright, copyright_len);
361 WRITE_STRING2 (datap, comment, comment_len);
364 /* fix the hashtale for the rule parser */
365 rules = g_string_new ("");
366 vars = g_hash_table_new (g_str_hash, g_str_equal);
367 g_hash_table_insert (vars, (gchar *) "Bandwidth",
368 (gchar *) DEFAULT_BANDWIDTH);
371 for (i = 0; i < ctx->n_streams; i++) {
372 const GstSDPMedia *media;
374 GstRTSPRealStream *stream;
376 gint rulematches[MAX_RULEMATCHES];
379 media = gst_sdp_message_get_media (sdp, i);
381 if (media->media && !strcmp (media->media, "data"))
384 stream = g_new0 (GstRTSPRealStream, 1);
385 ctx->streams = g_list_append (ctx->streams, stream);
387 READ_INT_M (media, "MaxBitRate", stream->max_bit_rate);
388 READ_INT_M (media, "AvgBitRate", stream->avg_bit_rate);
389 READ_INT_M (media, "MaxPacketSize", stream->max_packet_size);
390 READ_INT_M (media, "AvgPacketSize", stream->avg_packet_size);
391 READ_INT_M (media, "StartTime", stream->start_time);
392 READ_INT_M (media, "Preroll", stream->preroll);
393 READ_INT_M (media, "Duration", stream->duration);
394 READ_STRING (media, "StreamName", str, stream->stream_name_len);
395 stream->stream_name = g_strndup (str, stream->stream_name_len);
396 READ_STRING (media, "mimetype", str, stream->mime_type_len);
397 stream->mime_type = g_strndup (str, stream->mime_type_len);
399 /* FIXME: Depending on the current bandwidth, we need to select one
400 * bandwidth out of a list offered by the server. Someone needs to write
401 * a parser for strings like
403 * #($Bandwidth < 67959),TimestampDelivery=T,DropByN=T,priority=9;
404 * #($Bandwidth >= 67959) && ($Bandwidth < 167959),AverageBandwidth=67959,
405 * Priority=9;#($Bandwidth >= 67959) && ($Bandwidth < 167959),
406 * AverageBandwidth=0,Priority=5,OnDepend=\"1\";
407 * #($Bandwidth >= 167959) && ($Bandwidth < 267959),
408 * AverageBandwidth=167959,Priority=9;
409 * #($Bandwidth >= 167959) && ($Bandwidth < 267959),AverageBandwidth=0,
410 * Priority=5,OnDepend=\"3\";#($Bandwidth >= 267959),
411 * AverageBandwidth=267959,Priority=9;#($Bandwidth >= 267959),
412 * AverageBandwidth=0,Priority=5,OnDepend=\"5\";
414 * As I don't know how to do that, I just use the first entry (sel = 0).
415 * But to give you a starting point, I offer you above string
416 * in the variable 'asm_rule_book'.
418 READ_STRING (media, "ASMRuleBook", str, asm_rule_book_len);
419 stream->rulebook = gst_asm_rule_book_new (str);
421 n = gst_asm_rule_book_match (stream->rulebook, vars, rulematches);
422 for (j = 0; j < n; j++) {
423 g_string_append_printf (rules, "stream=%u;rule=%u,", i, rulematches[j]);
426 /* get the MLTI for the first matched rules */
427 sel = rulematches[0];
429 READ_BUFFER_M (media, "OpaqueData", opaque_data, opaque_data_len);
431 if (opaque_data_len < 4) {
432 GST_DEBUG_OBJECT (ctx, "opaque_data_len %" G_GSIZE_FORMAT " < 4",
434 goto strange_opaque_data;
436 if (strncmp (opaque_data, "MLTI", 4)) {
437 GST_DEBUG_OBJECT (ctx, "no MLTI found, appending all");
438 stream->type_specific_data_len = opaque_data_len;
439 stream->type_specific_data = g_memdup2 (opaque_data, opaque_data_len);
440 goto no_type_specific;
443 opaque_data_len -= 4;
445 if (opaque_data_len < 2) {
446 GST_DEBUG_OBJECT (ctx, "opaque_data_len %" G_GSIZE_FORMAT " < 2",
448 goto strange_opaque_data;
450 stream->num_rules = GST_READ_UINT16_BE (opaque_data);
452 opaque_data_len -= 2;
454 if (sel >= stream->num_rules) {
455 GST_DEBUG_OBJECT (ctx, "sel %d >= num_rules %d", sel, stream->num_rules);
456 goto strange_opaque_data;
459 if (opaque_data_len < 2 * sel) {
460 GST_DEBUG_OBJECT (ctx, "opaque_data_len %" G_GSIZE_FORMAT
461 " < 2 * sel (%d)", opaque_data_len, 2 * sel);
462 goto strange_opaque_data;
464 opaque_data += 2 * sel;
465 opaque_data_len -= 2 * sel;
467 if (opaque_data_len < 2) {
468 GST_DEBUG_OBJECT (ctx, "opaque_data_len %" G_GSIZE_FORMAT " < 2",
470 goto strange_opaque_data;
472 stream->codec = GST_READ_UINT16_BE (opaque_data);
474 opaque_data_len -= 2;
476 if (opaque_data_len < 2 * (stream->num_rules - sel - 1)) {
477 GST_DEBUG_OBJECT (ctx, "opaque_data_len %" G_GSIZE_FORMAT
478 " < %d", opaque_data_len, 2 * (stream->num_rules - sel - 1));
479 goto strange_opaque_data;
481 opaque_data += 2 * (stream->num_rules - sel - 1);
482 opaque_data_len -= 2 * (stream->num_rules - sel - 1);
484 if (opaque_data_len < 2) {
485 GST_DEBUG_OBJECT (ctx, "opaque_data_len %" G_GSIZE_FORMAT " < 2",
487 goto strange_opaque_data;
489 stream->num_rules = GST_READ_UINT16_BE (opaque_data);
491 opaque_data_len -= 2;
493 if (stream->codec > stream->num_rules) {
494 GST_DEBUG_OBJECT (ctx, "codec %d > num_rules %d", stream->codec,
496 goto strange_opaque_data;
499 for (j = 0; j < stream->codec; j++) {
500 if (opaque_data_len < 4) {
501 GST_DEBUG_OBJECT (ctx, "opaque_data_len %" G_GSIZE_FORMAT " < 4",
503 goto strange_opaque_data;
505 len = GST_READ_UINT32_BE (opaque_data);
507 opaque_data_len -= 4;
509 if (opaque_data_len < len) {
510 GST_DEBUG_OBJECT (ctx, "opaque_data_len %" G_GSIZE_FORMAT " < len %d",
511 opaque_data_len, len);
512 goto strange_opaque_data;
515 opaque_data_len -= len;
518 if (opaque_data_len < 4) {
519 GST_DEBUG_OBJECT (ctx, "opaque_data_len %" G_GSIZE_FORMAT " < 4",
521 goto strange_opaque_data;
523 stream->type_specific_data_len = GST_READ_UINT32_BE (opaque_data);
525 opaque_data_len -= 4;
527 if (opaque_data_len < stream->type_specific_data_len) {
528 GST_DEBUG_OBJECT (ctx, "opaque_data_len %" G_GSIZE_FORMAT " < %d",
529 opaque_data_len, stream->type_specific_data_len);
530 goto strange_opaque_data;
532 stream->type_specific_data =
533 g_memdup2 (opaque_data, stream->type_specific_data_len);
537 46 + stream->stream_name_len + stream->mime_type_len +
538 stream->type_specific_data_len;
539 ENSURE_SIZE (offset + size);
540 datap = data + offset;
542 memcpy (datap, "MDPR", 4);
543 GST_WRITE_UINT32_BE (datap + 4, size);
544 GST_WRITE_UINT16_BE (datap + 8, 0);
545 GST_WRITE_UINT16_BE (datap + 10, i);
546 GST_WRITE_UINT32_BE (datap + 12, stream->max_bit_rate);
547 GST_WRITE_UINT32_BE (datap + 16, stream->avg_bit_rate);
548 GST_WRITE_UINT32_BE (datap + 20, stream->max_packet_size);
549 GST_WRITE_UINT32_BE (datap + 24, stream->avg_packet_size);
550 GST_WRITE_UINT32_BE (datap + 28, stream->start_time);
551 GST_WRITE_UINT32_BE (datap + 32, stream->preroll);
552 GST_WRITE_UINT32_BE (datap + 36, stream->duration);
554 WRITE_STRING1 (datap, stream->stream_name, stream->stream_name_len);
555 WRITE_STRING1 (datap, stream->mime_type, stream->mime_type_len);
556 GST_WRITE_UINT32_BE (datap, stream->type_specific_data_len);
557 if (stream->type_specific_data_len)
558 memcpy (datap + 4, stream->type_specific_data,
559 stream->type_specific_data_len);
563 /* destroy the rulebook hashtable now */
564 g_hash_table_destroy (vars);
566 /* strip final , if we added some stream rules */
567 if (rules->len > 0) {
568 rules = g_string_truncate (rules, rules->len - 1);
571 /* and store rules in the context */
572 ctx->rules = g_string_free (rules, FALSE);
576 ENSURE_SIZE (offset + size);
577 datap = data + offset;
579 memcpy (datap, "DATA", 4);
580 GST_WRITE_UINT32_BE (datap + 4, size);
581 GST_WRITE_UINT16_BE (datap + 8, 0);
582 GST_WRITE_UINT32_BE (datap + 10, 0); /* number of packets */
583 GST_WRITE_UINT32_BE (datap + 14, 0); /* next data header */
586 buf = gst_buffer_new_wrapped (data, offset);
589 GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_HEADER);
590 gst_structure_set (props, "config", GST_TYPE_BUFFER, buf, NULL);
591 gst_buffer_unref (buf);
593 /* Overwrite encoding and media fields */
594 gst_structure_set (props, "encoding-name", G_TYPE_STRING, "X-REAL-RDT", NULL);
595 gst_structure_set (props, "media", G_TYPE_STRING, "application", NULL);
602 g_string_free (rules, TRUE);
603 g_hash_table_destroy (vars);
606 GST_ELEMENT_ERROR (ctx, RESOURCE, WRITE, ("Strange opaque data."), (NULL));
612 rtsp_ext_real_stream_select (GstRTSPExtension * ext, GstRTSPUrl * url)
614 GstRTSPReal *ctx = (GstRTSPReal *) ext;
616 GstRTSPMessage request = { 0 };
617 GstRTSPMessage response = { 0 };
626 req_url = gst_rtsp_url_get_request_uri (url);
628 /* create SET_PARAMETER */
629 if ((res = gst_rtsp_message_init_request (&request, GST_RTSP_SET_PARAMETER,
631 goto create_request_failed;
635 gst_rtsp_message_add_header (&request, GST_RTSP_HDR_SUBSCRIBE, ctx->rules);
637 /* send SET_PARAMETER */
638 if ((res = gst_rtsp_extension_send (ext, &request, &response)) < 0)
641 gst_rtsp_message_unset (&request);
642 gst_rtsp_message_unset (&response);
647 create_request_failed:
649 GST_ELEMENT_ERROR (ctx, LIBRARY, INIT,
650 ("Could not create request."), (NULL));
656 GST_ELEMENT_ERROR (ctx, RESOURCE, WRITE,
657 ("Could not send message."), (NULL));
662 gst_rtsp_message_unset (&request);
663 gst_rtsp_message_unset (&response);
668 static void gst_rtsp_real_extension_init (gpointer g_iface,
669 gpointer iface_data);
670 static void gst_rtsp_real_finalize (GObject * obj);
672 #define gst_rtsp_real_parent_class parent_class
673 G_DEFINE_TYPE_WITH_CODE (GstRTSPReal, gst_rtsp_real, GST_TYPE_ELEMENT,
674 G_IMPLEMENT_INTERFACE (GST_TYPE_RTSP_EXTENSION,
675 gst_rtsp_real_extension_init));
676 GST_ELEMENT_REGISTER_DEFINE (rtspreal, "rtspreal",
677 GST_RANK_MARGINAL, GST_TYPE_RTSP_REAL);
680 gst_rtsp_real_class_init (GstRTSPRealClass * g_class)
682 GObjectClass *gobject_class = (GObjectClass *) g_class;
683 GstElementClass *gstelement_class = (GstElementClass *) g_class;
685 gobject_class->finalize = gst_rtsp_real_finalize;
687 gst_element_class_set_static_metadata (gstelement_class,
688 "RealMedia RTSP Extension", "Network/Extension/Protocol",
689 "Extends RTSP so that it can handle RealMedia setup",
690 "Wim Taymans <wim.taymans@gmail.com>");
692 GST_DEBUG_CATEGORY_INIT (rtspreal_debug, "rtspreal", 0,
693 "RealMedia RTSP extension");
697 gst_rtsp_real_init (GstRTSPReal * rtspreal)
699 rtspreal->isreal = FALSE;
703 gst_rtsp_stream_free (GstRTSPRealStream * stream)
705 g_free (stream->stream_name);
706 g_free (stream->mime_type);
707 gst_asm_rule_book_free (stream->rulebook);
708 g_free (stream->type_specific_data);
714 gst_rtsp_real_finalize (GObject * obj)
716 GstRTSPReal *r = (GstRTSPReal *) obj;
718 g_list_foreach (r->streams, (GFunc) gst_rtsp_stream_free, NULL);
719 g_list_free (r->streams);
722 G_OBJECT_CLASS (parent_class)->finalize (obj);
726 gst_rtsp_real_extension_init (gpointer g_iface, gpointer iface_data)
728 GstRTSPExtensionInterface *iface = (GstRTSPExtensionInterface *) g_iface;
730 iface->before_send = rtsp_ext_real_before_send;
731 iface->after_send = rtsp_ext_real_after_send;
732 iface->parse_sdp = rtsp_ext_real_parse_sdp;
733 iface->stream_select = rtsp_ext_real_stream_select;
734 iface->get_transports = rtsp_ext_real_get_transports;