1 /*****************************************************************************
2 * input_dummy.c: dummy input plugin, to manage "vlc://" special options
3 *****************************************************************************
4 * Copyright (C) 2001, 2002 the VideoLAN team
7 * Authors: Samuel Hocevar <sam@zoy.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 *****************************************************************************/
32 #include <vlc_common.h>
33 #include <vlc_interface.h>
34 #include <vlc_demux.h>
35 #include <vlc_charset.h>
39 static int DemuxControl( demux_t *, int, va_list );
41 static int DemuxNoOp( demux_t *demux )
53 static int DemuxPause( demux_t *demux )
55 demux_sys_t *p_sys = demux->p_sys;
56 mtime_t now = mdate();
58 if( now >= p_sys->end )
61 msleep( 10000 ); /* FIXME!!! */
65 static int ControlPause( demux_t *demux, int query, va_list args )
67 demux_sys_t *p_sys = demux->p_sys;
71 case DEMUX_GET_POSITION:
73 double *ppos = va_arg( args, double * );
75 mtime_t now = mdate();
77 pos = 1. + ((double)(now - p_sys->end) / (double)p_sys->length);
78 *ppos = (pos <= 1.) ? pos : 1.;
82 case DEMUX_SET_POSITION:
84 double pos = va_arg( args, double );
85 mtime_t now = mdate();
87 p_sys->end = now + (p_sys->length * (1. - pos));
91 case DEMUX_GET_LENGTH:
93 mtime_t *plen = va_arg( args, mtime_t * );
94 *plen = p_sys->length;
100 mtime_t *ppos = va_arg( args, mtime_t * );
101 *ppos = mdate() + p_sys->length - p_sys->end;
107 mtime_t pos = va_arg( args, mtime_t );
108 p_sys->end = mdate() + p_sys->length - pos;
113 *va_arg( args, bool * ) = true;
117 return DemuxControl( demux, query, args );
122 /*****************************************************************************
123 * OpenDemux: initialize the target, ie. parse the command
124 *****************************************************************************/
125 int OpenDemux ( vlc_object_t *p_this )
127 demux_t *p_demux = (demux_t*)p_this;
128 char * psz_name = p_demux->psz_path;
130 p_demux->p_sys = NULL;
132 /* Check for a "vlc://nop" command */
133 if( !strcasecmp( psz_name, "nop" ) )
136 msg_Info( p_demux, "command `nop'" );
137 p_demux->pf_demux = DemuxNoOp;
138 p_demux->pf_control = DemuxControl;
142 /* Check for a "vlc://quit" command */
143 if( !strcasecmp( psz_name, "quit" ) )
145 msg_Info( p_demux, "command `quit'" );
146 p_demux->pf_demux = DemuxNoOp;
147 p_demux->pf_control = DemuxControl;
148 libvlc_Quit( p_demux->p_libvlc );
152 /* Check for a "vlc://pause:***" command */
153 if( !strncasecmp( psz_name, "pause:", 6 ) )
155 double f = us_atof( psz_name + 6 );
156 mtime_t length = f * CLOCK_FREQ;
158 msg_Info( p_demux, "command `pause %f'", f );
160 goto nop; /* avoid division by zero */
162 demux_sys_t *p_sys = malloc( sizeof( *p_sys ) );
166 p_sys->end = mdate() + length;
167 p_sys->length = length;
169 p_demux->p_sys = p_sys;
170 p_demux->pf_demux = DemuxPause;
171 p_demux->pf_control = ControlPause;
175 msg_Err( p_demux, "unknown command `%s'", psz_name );
179 /*****************************************************************************
180 * CloseDemux: initialize the target, ie. parse the command
181 *****************************************************************************/
182 void CloseDemux ( vlc_object_t *p_this )
184 demux_t *p_demux = (demux_t*)p_this;
186 free( p_demux->p_sys );
189 static int DemuxControl( demux_t *p_demux, int i_query, va_list args )
191 (void)p_demux; (void)i_query; (void)args;
194 case DEMUX_GET_PTS_DELAY:
196 int64_t *pi_pts_delay = va_arg( args, int64_t * );
197 *pi_pts_delay = DEFAULT_PTS_DELAY;