1 /*****************************************************************************
2 * intf_rc.cpp: rc interface
3 *****************************************************************************
4 * Copyright (C) 1999-2001 VideoLAN
5 * $Id: intf_rc.cpp,v 0.1 2001/04/27 shurdeek
7 * Authors: Peter Surda <shurdeek@panorama.sth.ac.at>
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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
22 *****************************************************************************/
24 #define MODULE_NAME rc
25 #include "modules_inner.h"
27 /*****************************************************************************
29 *****************************************************************************/
32 #include <errno.h> /* ENOMEM */
33 #include <stdlib.h> /* free() */
34 #include <string.h> /* strerror() */
39 #include <sys/types.h>
48 #include "stream_control.h"
49 #include "input_ext-intf.h"
52 #include "intf_playlist.h"
53 #include "interface.h"
56 #include "video_output.h"
61 /*****************************************************************************
62 * intf_sys_t: description and status of rc interface
63 *****************************************************************************/
64 typedef struct intf_sys_s
66 vlc_mutex_t change_lock;
70 /*****************************************************************************
72 *****************************************************************************/
73 static int intf_Probe ( probedata_t *p_data );
74 static int intf_Open ( intf_thread_t *p_intf );
75 static void intf_Close ( intf_thread_t *p_intf );
76 static void intf_Run ( intf_thread_t *p_intf );
78 /*****************************************************************************
79 * Functions exported as capabilities. They are declared as static so that
80 * we don't pollute the namespace too much.
81 *****************************************************************************/
82 void _M( intf_getfunctions )( function_list_t * p_function_list )
84 p_function_list->pf_probe = intf_Probe;
85 p_function_list->functions.intf.pf_open = intf_Open;
86 p_function_list->functions.intf.pf_close = intf_Close;
87 p_function_list->functions.intf.pf_run = intf_Run;
90 /*****************************************************************************
91 * intf_Probe: probe the interface and return a score
92 *****************************************************************************
93 * This function tries to initialize rc and returns a score to the
94 * plugin manager so that it can select the best plugin.
95 *****************************************************************************/
96 static int intf_Probe( probedata_t *p_data )
98 if( TestMethod( INTF_METHOD_VAR, "rc" ) )
106 /*****************************************************************************
107 * intf_Open: initialize and create stuff
108 *****************************************************************************/
109 static int intf_Open( intf_thread_t *p_intf )
111 /* Non-buffered stdout */
112 setvbuf( stdout, (char *)NULL, _IOLBF, 0 );
114 /* Allocate instance and initialize some members */
115 p_intf->p_sys = (intf_sys_t *)malloc( sizeof( intf_sys_t ) );
116 if( p_intf->p_sys == NULL )
118 intf_ErrMsg( "intf error: %s", strerror(ENOMEM) );
125 /*****************************************************************************
126 * intf_Close: destroy interface stuff
127 *****************************************************************************/
128 static void intf_Close( intf_thread_t *p_intf )
130 /* Destroy structure */
131 free( p_intf->p_sys );
134 /*****************************************************************************
135 * intf_Run: rc thread
136 *****************************************************************************
137 * This part of the interface is in a separate thread so that we can call
138 * exec() from within it without annoying the rest of the program.
139 *****************************************************************************/
140 static void intf_Run( intf_thread_t *p_intf )
144 boolean_t b_complete = 0;
149 fd_set fds; /* stdin changed? */
150 struct timeval tv; /* how long to wait */
155 while( !p_intf->b_die )
157 if( p_intf->p_input != NULL )
160 #define S p_intf->p_input->stream
163 f_ratio = 1.0 / ( 50 * S.i_mux_rate );
164 i_newpos = S.p_selected_area->i_tell * f_ratio;
166 if( i_oldpos != i_newpos )
169 intf_Msg( "rc: pos: %li s / %li s", (long int)i_newpos,
170 (long int)( f_ratio *
171 S.p_selected_area->i_size ) );
183 FD_SET( STDIN_FILENO, &fds );
185 if( select( 32, &fds, NULL, NULL, &tv ) )
187 while( i_cmd_pos < 32
188 && read( STDIN_FILENO, p_cmd + i_cmd_pos, 1 ) > 0
189 && p_cmd[ i_cmd_pos ] != '\r'
190 && p_cmd[ i_cmd_pos ] != '\n' )
195 if( i_cmd_pos == 31 || p_cmd[ i_cmd_pos ] == '\r'
196 || p_cmd[ i_cmd_pos ] == '\n' )
198 p_cmd[ i_cmd_pos ] = 0;
203 /* Is there something to do? */
204 if( b_complete == 1 )
210 input_SetStatus( p_intf->p_input, INPUT_STATUS_PAUSE );
215 p_intf->p_input->p_default_vout->i_changes |=
216 VOUT_FULLSCREEN_CHANGE;
222 double picratio = p_intf->p_input->p_default_vout->i_width
223 / p_intf->p_input->p_default_vout->i_height;
225 p_intf->p_input->p_default_vout->i_width=800
226 p_intf->p_input->p_default_vout->i_changes |=
227 VOUT_FULLSCREEN_CHANGE;
243 for( i_dummy = 1; i_dummy < 32 && p_cmd[ i_dummy ] >= '0'
244 && p_cmd[ i_dummy ] <= '9'; ++i_dummy )
249 p_cmd[ i_dummy ] = 0;
250 f_cpos = atof( p_cmd + 1 );
251 input_Seek( p_intf->p_input, (off_t) (f_cpos / f_ratio) );
252 /* rcreseek(f_cpos); */
256 intf_Msg( "rc: unknown command: %s", p_cmd );
262 p_intf->pf_manage( p_intf );
263 msleep( INTF_IDLE_SLEEP );