1 /*****************************************************************************
2 * access.c: Real rtsp input
3 *****************************************************************************
4 * Copyright (C) 2005 VideoLAN
7 * Authors: Gildas Bazin <gbazin@videolan.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
31 #include <vlc_common.h>
32 #include <vlc_plugin.h>
33 #include <vlc_access.h>
34 #include <vlc_interface.h>
36 #include <vlc_network.h>
40 /*****************************************************************************
42 *****************************************************************************/
43 static int Open ( vlc_object_t * );
44 static void Close( vlc_object_t * );
46 #define CACHING_TEXT N_("Caching value (ms)")
47 #define CACHING_LONGTEXT N_( \
48 "Caching value for RTSP streams. This " \
49 "value should be set in milliseconds." )
52 set_description( N_("Real RTSP") );
53 set_shortname( N_("Real RTSP") );
54 set_category( CAT_INPUT );
55 set_subcategory( SUBCAT_INPUT_ACCESS );
56 add_integer( "realrtsp-caching", 3000, NULL,
57 CACHING_TEXT, CACHING_LONGTEXT, true );
58 set_capability( "access", 10 );
59 set_callbacks( Open, Close );
60 add_shortcut( "realrtsp" );
61 add_shortcut( "rtsp" );
62 add_shortcut( "pnm" );
66 /*****************************************************************************
68 *****************************************************************************/
69 static block_t *BlockRead( access_t * );
70 static int Seek( access_t *, int64_t );
71 static int Control( access_t *, int, va_list );
78 rtsp_client_t *p_rtsp;
85 /*****************************************************************************
87 *****************************************************************************/
88 static int RtspConnect( void *p_userdata, char *psz_server, int i_port )
90 access_t *p_access = (access_t *)p_userdata;
91 access_sys_t *p_sys = p_access->p_sys;
94 p_sys->fd = net_ConnectTCP( p_access, psz_server, i_port );
97 msg_Err( p_access, "cannot connect to %s:%d", psz_server, i_port );
98 intf_UserFatal( p_access, false, _("Connection failed"),
99 _("VLC could not connect to \"%s:%d\"."), psz_server, i_port );
106 static int RtspDisconnect( void *p_userdata )
108 access_t *p_access = (access_t *)p_userdata;
109 access_sys_t *p_sys = p_access->p_sys;
111 net_Close( p_sys->fd );
115 static int RtspRead( void *p_userdata, uint8_t *p_buffer, int i_buffer )
117 access_t *p_access = (access_t *)p_userdata;
118 access_sys_t *p_sys = p_access->p_sys;
120 return net_Read( p_access, p_sys->fd, 0, p_buffer, i_buffer, true );
123 static int RtspReadLine( void *p_userdata, uint8_t *p_buffer, int i_buffer )
125 access_t *p_access = (access_t *)p_userdata;
126 access_sys_t *p_sys = p_access->p_sys;
128 char *psz = net_Gets( VLC_OBJECT(p_access), p_sys->fd, 0 );
130 //fprintf(stderr, "ReadLine: %s\n", psz);
132 if( psz ) strncpy( (char *)p_buffer, psz, i_buffer );
139 static int RtspWrite( void *p_userdata, uint8_t *p_buffer, int i_buffer )
141 access_t *p_access = (access_t *)p_userdata;
142 access_sys_t *p_sys = p_access->p_sys;
144 //fprintf(stderr, "Write: %s", p_buffer);
146 net_Printf( VLC_OBJECT(p_access), p_sys->fd, 0, "%s", p_buffer );
151 /*****************************************************************************
152 * Open: open the rtsp connection
153 *****************************************************************************/
154 static int Open( vlc_object_t *p_this )
156 access_t *p_access = (access_t *)p_this;
158 char *psz_server = 0;
161 if( !p_access->psz_access || (
162 strncmp( p_access->psz_access, "rtsp", 4 ) &&
163 strncmp( p_access->psz_access, "pnm", 3 ) &&
164 strncmp( p_access->psz_access, "realrtsp", 8 ) ))
169 p_access->pf_read = NULL;
170 p_access->pf_block = BlockRead;
171 p_access->pf_seek = Seek;
172 p_access->pf_control = Control;
173 p_access->info.i_update = 0;
174 p_access->info.i_size = 0;
175 p_access->info.i_pos = 0;
176 p_access->info.b_eof = false;
177 p_access->info.i_title = 0;
178 p_access->info.i_seekpoint = 0;
179 p_access->p_sys = p_sys = malloc( sizeof( access_sys_t ) );
180 p_sys->p_rtsp = malloc( sizeof( rtsp_client_t) );
183 p_sys->p_rtsp->p_userdata = p_access;
184 p_sys->p_rtsp->pf_connect = RtspConnect;
185 p_sys->p_rtsp->pf_disconnect = RtspDisconnect;
186 p_sys->p_rtsp->pf_read = RtspRead;
187 p_sys->p_rtsp->pf_read_line = RtspReadLine;
188 p_sys->p_rtsp->pf_write = RtspWrite;
190 i_result = rtsp_connect( p_sys->p_rtsp, p_access->psz_path, 0 );
193 msg_Dbg( p_access, "could not connect to: %s", p_access->psz_path );
194 free( p_sys->p_rtsp );
199 msg_Dbg( p_access, "rtsp connected" );
201 /* looking for server type */
202 if( rtsp_search_answers( p_sys->p_rtsp, "Server" ) )
203 psz_server = strdup( rtsp_search_answers( p_sys->p_rtsp, "Server" ) );
206 if( rtsp_search_answers( p_sys->p_rtsp, "RealChallenge1" ) )
207 psz_server = strdup("Real");
209 psz_server = strdup("unknown");
212 if( strstr( psz_server, "Real" ) || strstr( psz_server, "Helix" ) )
214 uint32_t bandwidth = 10485800;
217 msg_Dbg( p_access, "found a real/helix rtsp server" );
219 if( !(h = real_setup_and_get_header( p_sys->p_rtsp, bandwidth )) )
221 /* Check if we got a redirect */
222 if( rtsp_search_answers( p_sys->p_rtsp, "Location" ) )
224 msg_Dbg( p_access, "redirect: %s",
225 rtsp_search_answers(p_sys->p_rtsp, "Location") );
226 msg_Warn( p_access, "redirect not supported" );
231 msg_Err( p_access, "rtsp session can not be established" );
232 intf_UserFatal( p_access, false, _("Session failed"),
233 _("The requested RTSP session could not be established.") );
237 p_sys->p_header = block_New( p_access, 4096 );
238 p_sys->p_header->i_buffer =
239 rmff_dump_header( h, (char *)p_sys->p_header->p_buffer, 1024 );
240 rmff_free_header( h );
244 msg_Warn( p_access, "only real/helix rtsp servers supported for now" );
248 /* Update default_pts to a suitable value for file access */
249 var_Create( p_access, "realrtsp-caching",
250 VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
261 /*****************************************************************************
262 * Close: close the target
263 *****************************************************************************/
264 static void Close( vlc_object_t * p_this )
266 access_t *p_access = (access_t*)p_this;
267 access_sys_t *p_sys = p_access->p_sys;
269 if( p_sys->p_rtsp ) rtsp_close( p_sys->p_rtsp );
270 free( p_sys->p_rtsp );
274 /*****************************************************************************
275 * Read: standard read on a file descriptor.
276 *****************************************************************************/
277 static block_t *BlockRead( access_t *p_access )
279 access_sys_t *p_sys = p_access->p_sys;
281 rmff_pheader_t pheader;
284 if( p_sys->p_header )
286 p_block = p_sys->p_header;
291 i_size = real_get_rdt_chunk_header( p_access->p_sys->p_rtsp, &pheader );
292 if( i_size <= 0 ) return 0;
294 p_block = block_New( p_access, i_size );
295 p_block->i_buffer = real_get_rdt_chunk( p_access->p_sys->p_rtsp, &pheader,
296 &p_block->p_buffer );
301 /*****************************************************************************
302 * Seek: seek to a specific location in a file
303 *****************************************************************************/
304 static int Seek( access_t *p_access, int64_t i_pos )
309 /*****************************************************************************
311 *****************************************************************************/
312 static int Control( access_t *p_access, int i_query, va_list args )
321 case ACCESS_CAN_SEEK:
322 case ACCESS_CAN_FASTSEEK:
323 pb_bool = (bool*)va_arg( args, bool* );
324 *pb_bool = false;//p_sys->b_seekable;
327 case ACCESS_CAN_PAUSE:
328 pb_bool = (bool*)va_arg( args, bool* );
332 case ACCESS_CAN_CONTROL_PACE:
333 pb_bool = (bool*)va_arg( args, bool* );
334 *pb_bool = true;//p_sys->b_pace_control;
339 pi_int = (int*)va_arg( args, int * );
343 case ACCESS_GET_PTS_DELAY:
344 pi_64 = (int64_t*)va_arg( args, int64_t * );
345 *pi_64 = var_GetInteger( p_access, "realrtsp-caching" ) * 1000;
349 case ACCESS_SET_PAUSE_STATE:
353 case ACCESS_GET_TITLE_INFO:
354 case ACCESS_SET_TITLE:
355 case ACCESS_SET_SEEKPOINT:
356 case ACCESS_SET_PRIVATE_ID_STATE:
357 case ACCESS_GET_META:
358 case ACCESS_GET_CONTENT_TYPE:
362 msg_Warn( p_access, "unimplemented query in control" );