Commit 3ead371e authored by Mark Moriarty's avatar Mark Moriarty

Add rtci plugin, for various real-time parameter changes. Not added to...

Add rtci plugin, for various real-time parameter changes.  Not added to modules.am or configure.ac yet.
parent f1aa322b
/*****************************************************************************
* rtci.c : real time control interface stdin/stdout module for vlc
*****************************************************************************
* Copyright (C) 2004 VideoLAN
* $Id: rc.c 8847 2004-09-29 11:36:37Z markfm $
*
* Author: Peter Surda <shurdeek@panorama.sth.ac.at>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
/******************************************************************************
* Module purpose -- provide a socket based interface to control various
* VLC parameters and obtain status information on the fly. Output
* will be purposely less verbose than on some interfaces -- this
* interface is intended more for comms with an external program than a human
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#include <stdlib.h> /* malloc(), free() */
#include <string.h>
#include <errno.h> /* ENOMEM */
#include <stdio.h>
#include <ctype.h>
#include <signal.h>
#include <vlc/vlc.h>
#include <vlc/intf.h>
#include <vlc/aout.h>
#include <vlc/vout.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#include <sys/types.h>
#include "vlc_error.h"
#include "network.h"
#if defined(PF_UNIX) && !defined(PF_LOCAL)
# define PF_LOCAL PF_UNIX
#endif
#if defined(AF_UNIX) && !defined(AF_LOCAL)
# define AF_LOCAL AF_UNIX
#endif
#ifdef PF_LOCAL
# include <sys/un.h>
#endif
#define MAX_LINE_LENGTH 256
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Activate ( vlc_object_t * );
static void Deactivate ( vlc_object_t * );
static void Run ( intf_thread_t * );
static vlc_bool_t ReadCommand( intf_thread_t *, char *, int * );
static int Input ( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
static int Playlist ( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
static int Other ( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
static int Quit ( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
static int Intf ( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
static int Volume ( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
static int VolumeMove ( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
static int AudioConfig ( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
struct intf_sys_t
{
int i_socket_listen;
int i_socket;
char *psz_unix_path;
vlc_bool_t b_extend;
#ifdef WIN32
HANDLE hConsoleIn;
#endif
};
#ifdef HAVE_VARIADIC_MACROS
# define printf( psz_format, args... ) \
Printf( p_intf, psz_format, ## args )
#endif
void Printf( intf_thread_t *p_intf, const char *psz_fmt, ... )
{
va_list args;
va_start( args, psz_fmt );
if( p_intf->p_sys->i_socket == -1 ) vprintf( psz_fmt, args );
else net_vaPrintf( p_intf, p_intf->p_sys->i_socket, psz_fmt, args );
va_end( args );
}
/*****************************************************************************
* Module descriptor
*****************************************************************************/
#define POS_TEXT N_("Show stream position")
#define POS_LONGTEXT N_("Show the current position in seconds within the " \
"stream from time to time." )
#define TTY_TEXT N_("Fake TTY")
#define TTY_LONGTEXT N_("Force the rtci module to use stdin as if it was a TTY.")
#define UNIX_TEXT N_("UNIX socket command input")
#define UNIX_LONGTEXT N_("Accept commands over a Unix socket rather than " \
"stdin." )
#define HOST_TEXT N_("TCP command input")
#define HOST_LONGTEXT N_("Accept commands over a socket rather than stdin. " \
"You can set the address and port the interface will bind to." )
#define EXTEND_TEXT N_("Extended help")
#define EXTEND_LONGTEXT N_("List additional commands.")
#ifdef WIN32
#define QUIET_TEXT N_("Do not open a DOS command box interface")
#define QUIET_LONGTEXT N_( \
"By default the rtci interface plugin will start a DOS command box. " \
"Enabling the quiet mode will not launch this command box." )
#endif
vlc_module_begin();
set_description( _("Real time control interface") );
add_bool( "rtci-show-pos", 0, NULL, POS_TEXT, POS_LONGTEXT, VLC_TRUE );
#ifdef HAVE_ISATTY
add_bool( "rtci-fake-tty", 0, NULL, TTY_TEXT, TTY_LONGTEXT, VLC_TRUE );
#endif
add_string( "rtci-unix", 0, NULL, UNIX_TEXT, UNIX_LONGTEXT, VLC_TRUE );
add_string( "rtci-host", 0, NULL, HOST_TEXT, HOST_LONGTEXT, VLC_TRUE );
#ifdef WIN32
add_bool( "rtci-quiet", 0, NULL, QUIET_TEXT, QUIET_LONGTEXT, VLC_FALSE );
#endif
add_bool( "rtci-extend", 0, NULL, EXTEND_TEXT, EXTEND_LONGTEXT, VLC_FALSE );
set_capability( "interface", 20 );
set_callbacks( Activate, Deactivate );
vlc_module_end();
/*****************************************************************************
* Activate: initialize and create stuff
*****************************************************************************/
static int Activate( vlc_object_t *p_this )
{
intf_thread_t *p_intf = (intf_thread_t*)p_this;
char *psz_host, *psz_unix_path;
int i_socket = -1;
#if defined(HAVE_ISATTY) && !defined(WIN32)
/* Check that stdin is a TTY */
if( !config_GetInt( p_intf, "rtci-fake-tty" ) && !isatty( 0 ) )
{
msg_Warn( p_intf, "fd 0 is not a TTY" );
return VLC_EGENERIC;
}
#endif
psz_unix_path = config_GetPsz( p_intf, "rtci-unix" );
if( psz_unix_path )
{
#ifndef PF_LOCAL
msg_Warn( p_intf, "your OS doesn't support filesystem sockets" );
free( psz_unix_path );
return VLC_EGENERIC;
#else
struct sockaddr_un addr;
int i_ret;
memset( &addr, 0, sizeof(struct sockaddr_un) );
msg_Dbg( p_intf, "trying UNIX socket" );
if( (i_socket = socket( PF_LOCAL, SOCK_STREAM, 0 ) ) < 0 )
{
msg_Warn( p_intf, "can't open socket: %s", strerror(errno) );
free( psz_unix_path );
return VLC_EGENERIC;
}
addr.sun_family = AF_LOCAL;
strncpy( addr.sun_path, psz_unix_path, sizeof( addr.sun_path ) );
addr.sun_path[sizeof( addr.sun_path ) - 1] = '\0';
if( (i_ret = bind( i_socket, (struct sockaddr*)&addr,
sizeof(struct sockaddr_un) ) ) < 0 )
{
msg_Warn( p_intf, "couldn't bind socket to address: %s",
strerror(errno) );
free( psz_unix_path );
net_Close( i_socket );
return VLC_EGENERIC;
}
if( ( i_ret = listen( i_socket, 1 ) ) < 0 )
{
msg_Warn( p_intf, "can't listen on socket: %s", strerror(errno));
free( psz_unix_path );
net_Close( i_socket );
return VLC_EGENERIC;
}
#endif
}
if( ( i_socket == -1) &&
( psz_host = config_GetPsz( p_intf, "rtci-host" ) ) != NULL )
{
vlc_url_t url;
vlc_UrlParse( &url, psz_host, 0 );
msg_Dbg( p_intf, "base %s port %d", url.psz_host, url.i_port );
if( (i_socket = net_ListenTCP(p_this, url.psz_host, url.i_port)) == -1)
{
msg_Warn( p_intf, "can't listen to %s port %i",
url.psz_host, url.i_port );
vlc_UrlClean( &url );
free( psz_host );
return VLC_EGENERIC;
}
vlc_UrlClean( &url );
free( psz_host );
}
p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
if( !p_intf->p_sys )
{
msg_Err( p_intf, "no memory" );
return VLC_ENOMEM;
}
p_intf->p_sys->i_socket_listen = i_socket;
p_intf->p_sys->i_socket = -1;
p_intf->p_sys->psz_unix_path = psz_unix_path;
/* Non-buffered stdout */
setvbuf( stdout, (char *)NULL, _IOLBF, 0 );
p_intf->pf_run = Run;
#ifdef WIN32
if( !config_GetInt( p_intf, "rtci-quiet" ) ) { CONSOLE_INTRO_MSG; }
#else
CONSOLE_INTRO_MSG;
#endif
printf( _("Real time control interface initialized, `h' for help\n") );
return VLC_SUCCESS;
}
/*****************************************************************************
* Deactivate: uninitialize and cleanup
*****************************************************************************/
static void Deactivate( vlc_object_t *p_this )
{
intf_thread_t *p_intf = (intf_thread_t*)p_this;
if( p_intf->p_sys->i_socket_listen != -1 )
net_Close( p_intf->p_sys->i_socket_listen );
if( p_intf->p_sys->i_socket != -1 )
net_Close( p_intf->p_sys->i_socket );
if( p_intf->p_sys->psz_unix_path != NULL )
{
#ifdef PF_LOCAL
unlink( p_intf->p_sys->psz_unix_path );
#endif
free( p_intf->p_sys->psz_unix_path );
}
free( p_intf->p_sys );
}
/*****************************************************************************
* Run: rtci thread
*****************************************************************************
* This part of the interface is in a separate thread so that we can call
* exec() from within it without annoying the rest of the program.
*****************************************************************************/
static void Run( intf_thread_t *p_intf )
{
input_thread_t * p_input;
playlist_t * p_playlist;
char p_buffer[ MAX_LINE_LENGTH + 1 ];
vlc_bool_t b_showpos = config_GetInt( p_intf, "rtci-show-pos" );
int i_size = 0;
int i_oldpos = 0;
int i_newpos;
p_buffer[0] = 0;
p_input = NULL;
p_playlist = NULL;
p_intf->p_sys->b_extend = config_GetInt( p_intf, "rtci-extend" );
/* Register commands that will be cleaned up upon object destruction */
var_Create( p_intf, "quit", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
var_AddCallback( p_intf, "quit", Quit, NULL );
var_Create( p_intf, "intf", VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
var_AddCallback( p_intf, "intf", Intf, NULL );
var_Create( p_intf, "add", VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
var_AddCallback( p_intf, "add", Playlist, NULL );
var_Create( p_intf, "playlist", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
var_AddCallback( p_intf, "playlist", Playlist, NULL );
var_Create( p_intf, "play", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
var_AddCallback( p_intf, "play", Playlist, NULL );
var_Create( p_intf, "stop", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
var_AddCallback( p_intf, "stop", Playlist, NULL );
var_Create( p_intf, "prev", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
var_AddCallback( p_intf, "prev", Playlist, NULL );
var_Create( p_intf, "next", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
var_AddCallback( p_intf, "next", Playlist, NULL );
var_Create( p_intf, "marq-marquee", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
var_AddCallback( p_intf, "marq-marquee", Other, NULL );
var_Create( p_intf, "marq-x", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
var_AddCallback( p_intf, "marq-x", Other, NULL );
var_Create( p_intf, "marq-y", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
var_AddCallback( p_intf, "marq-y", Other, NULL );
var_Create( p_intf, "marq-timeout", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
var_AddCallback( p_intf, "marq-timeout", Other, NULL );
var_Create( p_intf, "pause", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
var_AddCallback( p_intf, "pause", Input, NULL );
var_Create( p_intf, "seek", VLC_VAR_INTEGER | VLC_VAR_ISCOMMAND );
var_AddCallback( p_intf, "seek", Input, NULL );
var_Create( p_intf, "title", VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
var_AddCallback( p_intf, "title", Input, NULL );
var_Create( p_intf, "title_n", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
var_AddCallback( p_intf, "title_n", Input, NULL );
var_Create( p_intf, "title_p", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
var_AddCallback( p_intf, "title_p", Input, NULL );
var_Create( p_intf, "chapter", VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
var_AddCallback( p_intf, "chapter", Input, NULL );
var_Create( p_intf, "chapter_n", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
var_AddCallback( p_intf, "chapter_n", Input, NULL );
var_Create( p_intf, "chapter_p", VLC_VAR_VOID | VLC_VAR_ISCOMMAND );
var_AddCallback( p_intf, "chapter_p", Input, NULL );
var_Create( p_intf, "volume", VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
var_AddCallback( p_intf, "volume", Volume, NULL );
var_Create( p_intf, "volup", VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
var_AddCallback( p_intf, "volup", VolumeMove, NULL );
var_Create( p_intf, "voldown", VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
var_AddCallback( p_intf, "voldown", VolumeMove, NULL );
var_Create( p_intf, "adev", VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
var_AddCallback( p_intf, "adev", AudioConfig, NULL );
var_Create( p_intf, "achan", VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
var_AddCallback( p_intf, "achan", AudioConfig, NULL );
#ifdef WIN32
/* Get the file descriptor of the console input */
p_intf->p_sys->hConsoleIn = GetStdHandle(STD_INPUT_HANDLE);
if( p_intf->p_sys->hConsoleIn == INVALID_HANDLE_VALUE )
{
msg_Err( p_intf, "Couldn't open STD_INPUT_HANDLE" );
p_intf->b_die = VLC_TRUE;
}
#endif
while( !p_intf->b_die )
{
char *psz_cmd, *psz_arg;
vlc_bool_t b_complete;
if( p_intf->p_sys->i_socket_listen != - 1 &&
p_intf->p_sys->i_socket == -1 )
{
p_intf->p_sys->i_socket =
net_Accept( p_intf, p_intf->p_sys->i_socket_listen, 0 );
}
b_complete = ReadCommand( p_intf, p_buffer, &i_size );
/* Manage the input part */
if( p_input == NULL )
{
if( p_playlist )
{
p_input = vlc_object_find( p_playlist, VLC_OBJECT_INPUT,
FIND_CHILD );
}
else
{
p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
FIND_ANYWHERE );
if( p_input )
{
p_playlist = vlc_object_find( p_input, VLC_OBJECT_PLAYLIST,
FIND_PARENT );
}
}
}
else if( p_input->b_dead )
{
vlc_object_release( p_input );
p_input = NULL;
}
if( p_input && b_showpos )
{
i_newpos = 100 * var_GetFloat( p_input, "position" );
if( i_oldpos != i_newpos )
{
i_oldpos = i_newpos;
printf( "pos: %d%%\n", i_newpos );
}
}
/* Is there something to do? */
if( !b_complete ) continue;
/* Skip heading spaces */
psz_cmd = p_buffer;
while( *psz_cmd == ' ' )
{
psz_cmd++;
}
/* Split psz_cmd at the first space and make sure that
* psz_arg is valid */
psz_arg = strchr( psz_cmd, ' ' );
if( psz_arg )
{
*psz_arg++ = 0;
while( *psz_arg == ' ' )
{
psz_arg++;
}
}
else
{
psz_arg = "";
}
/* If the user typed a registered local command, try it */
if( var_Type( p_intf, psz_cmd ) & VLC_VAR_ISCOMMAND )
{
vlc_value_t val;
int i_ret;
val.psz_string = psz_arg;
i_ret = var_Set( p_intf, psz_cmd, val );
printf( _("%s: returned %i (%s)\n"),
psz_cmd, i_ret, vlc_error( i_ret ) );
}
/* Or maybe it's a global command */
else if( var_Type( p_intf->p_libvlc, psz_cmd ) & VLC_VAR_ISCOMMAND )
{
vlc_value_t val;
int i_ret;
val.psz_string = psz_arg;
/* FIXME: it's a global command, but we should pass the
* local object as an argument, not p_intf->p_libvlc. */
i_ret = var_Set( p_intf->p_libvlc, psz_cmd, val );
if( i_ret != 0 )
{
printf( _("%s: returned %i (%s)\n"),
psz_cmd, i_ret, vlc_error( i_ret ) );
}
}
else if( !strcmp( psz_cmd, "logout" ) )
{
/* Close connection */
if( p_intf->p_sys->i_socket != -1 )
{
net_Close( p_intf->p_sys->i_socket );
}
p_intf->p_sys->i_socket = -1;
}
else if( !strcmp( psz_cmd, "info" ) )
{
if( p_input )
{
int i, j;
vlc_mutex_lock( &p_input->input.p_item->lock );
for ( i = 0; i < p_input->input.p_item->i_categories; i++ )
{
info_category_t *p_category =
p_input->input.p_item->pp_categories[i];
printf( "+----[ %s ]\n", p_category->psz_name );
printf( "| \n" );
for ( j = 0; j < p_category->i_infos; j++ )
{
info_t *p_info = p_category->pp_infos[j];
printf( "| %s: %s\n", p_info->psz_name,
p_info->psz_value );
}
printf( "| \n" );
}
printf( _("+----[ end of stream info ]\n") );
vlc_mutex_unlock( &p_input->input.p_item->lock );
}
else
{
printf( _("no input\n") );
}
}
else if( !strcmp( psz_cmd, "is_playing" ) )
{
if( ! p_input )
{
printf( "0\n" );
}
else
{
printf( "1\n" );
}
}
else if( !strcmp( psz_cmd, "get_time" ) )
{
if( ! p_input )
{
printf("0\n");
}
else
{
vlc_value_t time;
var_Get( p_input, "time", &time );
printf( "%i\n", time.i_time / 1000000);
}
}
else if( !strcmp( psz_cmd, "get_length" ) )
{
if( ! p_input )
{
printf("0\n");
}
else
{
vlc_value_t time;
var_Get( p_input, "length", &time );
printf( "%i\n", time.i_time / 1000000);
}
}
else if( !strcmp( psz_cmd, "get_title" ) )
{
if( ! p_input )
{
printf("\n");
}
else
{
printf( "%s\n", p_input->input.p_item->psz_name );
}
}
else switch( psz_cmd[0] )
{
case 'f':
case 'F':
if( p_input )
{
vout_thread_t *p_vout;
p_vout = vlc_object_find( p_input,
VLC_OBJECT_VOUT, FIND_CHILD );
if( p_vout )
{
p_vout->i_changes |= VOUT_FULLSCREEN_CHANGE;
vlc_object_release( p_vout );
}
}
break;
case 's':
case 'S':
;
break;
case '?':
case 'h':
case 'H':
printf(_("+----[ Remote control commands ]\n"));
printf("| \n");
printf(_("| add XYZ . . . . . . . . . . add XYZ to playlist\n"));
printf(_("| playlist . . . show items currently in playlist\n"));
printf(_("| play . . . . . . . . . . . . . . . . play stream\n"));
printf(_("| stop . . . . . . . . . . . . . . . . stop stream\n"));
printf(_("| next . . . . . . . . . . . . next playlist item\n"));
printf(_("| prev . . . . . . . . . . previous playlist item\n"));
printf(_("| title [X] . . . . set/get title in current item\n"));
printf(_("| title_n . . . . . . next title in current item\n"));
printf(_("| title_p . . . . previous title in current item\n"));
printf(_("| chapter [X] . . set/get chapter in current item\n"));
printf(_("| chapter_n . . . . next chapter in current item\n"));
printf(_("| chapter_p . . previous chapter in current item\n"));
printf("| \n");
printf(_("| seek X . seek in seconds, for instance `seek 12'\n"));
printf(_("| pause . . . . . . . . . . . . . . toggle pause\n"));
printf(_("| f . . . . . . . . . . . . . . toggle fullscreen\n"));
printf(_("| info . . . information about the current stream\n"));
printf("| \n");
printf(_("| volume [X] . . . . . . . . set/get audio volume\n"));
printf(_("| volup [X] . . . . . raise audio volume X steps\n"));
printf(_("| voldown [X] . . . . lower audio volume X steps\n"));
printf(_("| adev [X] . . . . . . . . . set/get audio device\n"));
printf(_("| achan [X]. . . . . . . . set/get audio channels\n"));
printf("| \n");
if (p_intf->p_sys->b_extend)
{
printf(_("| marq-marquee STRING . . overlay STRING in video\n"));
printf(_("| marq-x X . . . . . .offset of marquee, from left\n"));
printf(_("| marq-y Y . . . . . . offset of marquee, from top\n"));
printf(_("| marq-timeout T. . . . .timeout of marquee, in ms\n"));
printf("| \n");
}
printf(_("| help . . . . . . . . . . . . . this help message\n"));
printf(_("| logout . . . . . .exit (if in socket connection)\n"));
printf(_("| quit . . . . . . . . . . . . . . . . . quit vlc\n"));
printf("| \n");
printf(_("+----[ end of help ]\n"));
break;
case '\0':
/* Ignore empty lines */
break;
default:
printf(_("unknown command `%s', type `help' for help\n"), psz_cmd);
break;
}
/* Command processed */
i_size = 0; p_buffer[0] = 0;
}
if( p_input )
{
vlc_object_release( p_input );
p_input = NULL;
}
if( p_playlist )
{
vlc_object_release( p_playlist );
p_playlist = NULL;
}
}
static int Input( vlc_object_t *p_this, char const *psz_cmd,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
intf_thread_t *p_intf = (intf_thread_t*)p_this;
input_thread_t *p_input;
vlc_value_t val;
p_input = vlc_object_find( p_this, VLC_OBJECT_INPUT, FIND_ANYWHERE );
if( !p_input ) return VLC_ENOOBJ;
/* Parse commands that only require an input */
if( !strcmp( psz_cmd, "pause" ) )
{
val.i_int = PAUSE_S;
var_Set( p_input, "state", val );
vlc_object_release( p_input );
return VLC_SUCCESS;
}
else if( !strcmp( psz_cmd, "seek" ) )
{
if( strlen( newval.psz_string ) > 0 &&
newval.psz_string[strlen( newval.psz_string ) - 1] == '%' )
{
val.f_float = (float)atoi( newval.psz_string ) / 100.0;
var_Set( p_input, "position", val );
}
else
{
val.i_time = ((int64_t)atoi( newval.psz_string )) * 1000000;
var_Set( p_input, "time", val );
}
vlc_object_release( p_input );
return VLC_SUCCESS;
}
else if( !strcmp( psz_cmd, "chapter" ) ||
!strcmp( psz_cmd, "chapter_n" ) ||
!strcmp( psz_cmd, "chapter_p" ) )
{
if( !strcmp( psz_cmd, "chapter" ) )
{
if ( *newval.psz_string )
{
/* Set. */
val.i_int = atoi( newval.psz_string );
var_Set( p_input, "chapter", val );
}
else
{
vlc_value_t val_list;
/* Get. */
var_Get( p_input, "chapter", &val );
var_Change( p_input, "chapter", VLC_VAR_GETCHOICES,
&val_list, NULL );
printf( _("Currently playing chapter %d/%d\n"),
val.i_int, val_list.p_list->i_count );
var_Change( p_this, "chapter", VLC_VAR_FREELIST,
&val_list, NULL );
}
}
else if( !strcmp( psz_cmd, "chapter_n" ) )
{
val.b_bool = VLC_TRUE;
var_Set( p_input, "next-chapter", val );
}
else if( !strcmp( psz_cmd, "chapter_p" ) )
{
val.b_bool = VLC_TRUE;
var_Set( p_input, "prev-chapter", val );
}
vlc_object_release( p_input );
return VLC_SUCCESS;
}
else if( !strcmp( psz_cmd, "title" ) ||
!strcmp( psz_cmd, "title_n" ) ||
!strcmp( psz_cmd, "title_p" ) )
{
if( !strcmp( psz_cmd, "title" ) )
{
if ( *newval.psz_string )
{
/* Set. */
val.i_int = atoi( newval.psz_string );
var_Set( p_input, "title", val );
}
else
{
vlc_value_t val_list;
/* Get. */
var_Get( p_input, "title", &val );
var_Change( p_input, "title", VLC_VAR_GETCHOICES,
&val_list, NULL );
printf( _("Currently playing title %d/%d\n"),
val.i_int, val_list.p_list->i_count );
var_Change( p_this, "title", VLC_VAR_FREELIST,
&val_list, NULL );
}
}
else if( !strcmp( psz_cmd, "title_n" ) )
{
val.b_bool = VLC_TRUE;
var_Set( p_input, "next-title", val );
}
else if( !strcmp( psz_cmd, "title_p" ) )
{
val.b_bool = VLC_TRUE;
var_Set( p_input, "prev-title", val );
}
vlc_object_release( p_input );
return VLC_SUCCESS;
}
/* Never reached. */
return VLC_EGENERIC;
}
static int Playlist( vlc_object_t *p_this, char const *psz_cmd,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
intf_thread_t *p_intf = (intf_thread_t*)p_this;
playlist_t *p_playlist;
p_playlist = vlc_object_find( p_this, VLC_OBJECT_PLAYLIST,
FIND_ANYWHERE );
if( !p_playlist )
{
return VLC_ENOOBJ;
}
/* Parse commands that require a playlist */
if( !strcmp( psz_cmd, "prev" ) )
{
playlist_Prev( p_playlist );
}
else if( !strcmp( psz_cmd, "next" ) )
{
playlist_Next( p_playlist );
}
else if( !strcmp( psz_cmd, "play" ) )
{
playlist_Play( p_playlist );
}
else if( !strcmp( psz_cmd, "stop" ) )
{
playlist_Stop( p_playlist );
}
else if( !strcmp( psz_cmd, "add" ) )
{
printf( _("trying to add %s to playlist\n"), newval.psz_string );
playlist_Add( p_playlist, newval.psz_string, newval.psz_string,
PLAYLIST_GO|PLAYLIST_APPEND, PLAYLIST_END );
}
else if( !strcmp( psz_cmd, "playlist" ) )
{
int i;
for ( i = 0; i < p_playlist->i_size; i++ )
{
printf( "|%s%s %s|\n", i == p_playlist->i_index?"*":" ",
p_playlist->pp_items[i]->input.psz_name,
p_playlist->pp_items[i]->input.psz_uri );
}
if ( i == 0 )
{
printf( _("| no entries\n") );
}
}
/*
* sanity check
*/
else
{
printf( _("unknown command!\n") );
}
vlc_object_release( p_playlist );
return VLC_SUCCESS;
}
static int Other( vlc_object_t *p_this, char const *psz_cmd,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
intf_thread_t *p_intf = (intf_thread_t*)p_this;
vlc_object_t *p_pl;
vlc_value_t val;
p_pl = vlc_object_find( p_this, VLC_OBJECT_PLAYLIST,
FIND_ANYWHERE );
if( !p_pl )
{
return VLC_ENOOBJ;
}
/* Parse miscellaneous commands */
if( !strcmp( psz_cmd, "marq-marquee" ) )
{
if( strlen( newval.psz_string ) > 0 )
{
val.psz_string = newval.psz_string;
var_Set( p_pl, "marq-marquee", val );
}
else
{
val.psz_string = "";
var_Set( p_pl, "marq-marquee", val);
}
}
else if( !strcmp( psz_cmd, "marq-x" ) )
{
if( strlen( newval.psz_string ) > 0)
{
val.i_int = atoi( newval.psz_string );
var_Set( p_pl, "marq-x", val );
}
}
else if( !strcmp( psz_cmd, "marq-y" ) )
{
if( strlen( newval.psz_string ) > 0)
{
val.i_int = atoi( newval.psz_string );
var_Set( p_pl, "marq-y", val );
}
}
else if( !strcmp( psz_cmd, "marq-timeout" ) )
{
if( strlen( newval.psz_string ) > 0)
{
val.i_int = atoi( newval.psz_string );
var_Set( p_pl, "marq-timeout", val );
}
}
/*
* sanity check
*/
else
{
printf( _("unknown command!\n") );
}
vlc_object_release( p_pl );
return VLC_SUCCESS;
}
static int Quit( vlc_object_t *p_this, char const *psz_cmd,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
p_this->p_vlc->b_die = VLC_TRUE;
return VLC_SUCCESS;
}
static int Intf( vlc_object_t *p_this, char const *psz_cmd,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
intf_thread_t *p_newintf;
p_newintf = intf_Create( p_this->p_vlc, newval.psz_string );
if( p_newintf )
{
p_newintf->b_block = VLC_FALSE;
if( intf_RunThread( p_newintf ) )
{
vlc_object_detach( p_newintf );
intf_Destroy( p_newintf );
}
}
return VLC_SUCCESS;
}
static int Volume( vlc_object_t *p_this, char const *psz_cmd,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
intf_thread_t *p_intf = (intf_thread_t*)p_this;
int i_error;
if ( *newval.psz_string )
{
/* Set. */
audio_volume_t i_volume = atoi( newval.psz_string );
if ( i_volume > AOUT_VOLUME_MAX )
{
printf( _("Volume must be in the range %d-%d\n"), AOUT_VOLUME_MIN,
AOUT_VOLUME_MAX );
i_error = VLC_EBADVAR;
}
else i_error = aout_VolumeSet( p_this, i_volume );
}
else
{
/* Get. */
audio_volume_t i_volume;
if ( aout_VolumeGet( p_this, &i_volume ) < 0 )
{
i_error = VLC_EGENERIC;
}
else
{
printf( _("Volume is %d\n"), i_volume );
i_error = VLC_SUCCESS;
}
}
return i_error;
}
static int VolumeMove( vlc_object_t *p_this, char const *psz_cmd,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
intf_thread_t *p_intf = (intf_thread_t*)p_this;
audio_volume_t i_volume;
int i_nb_steps = atoi(newval.psz_string);
int i_error = VLC_SUCCESS;
if ( i_nb_steps <= 0 || i_nb_steps > (AOUT_VOLUME_MAX/AOUT_VOLUME_STEP) )
{
i_nb_steps = 1;
}
if ( !strcmp(psz_cmd, "volup") )
{
if ( aout_VolumeUp( p_this, i_nb_steps, &i_volume ) < 0 )
i_error = VLC_EGENERIC;
}
else
{
if ( aout_VolumeDown( p_this, i_nb_steps, &i_volume ) < 0 )
i_error = VLC_EGENERIC;
}
if ( !i_error ) printf( _("Volume is %d\n"), i_volume );
return i_error;
}
static int AudioConfig( vlc_object_t *p_this, char const *psz_cmd,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
intf_thread_t *p_intf = (intf_thread_t*)p_this;
aout_instance_t * p_aout;
const char * psz_variable;
vlc_value_t val_name;
int i_error;
p_aout = vlc_object_find( p_this, VLC_OBJECT_AOUT, FIND_ANYWHERE );
if ( p_aout == NULL ) return VLC_ENOOBJ;
if ( !strcmp( psz_cmd, "adev" ) )
{
psz_variable = "audio-device";
}
else
{
psz_variable = "audio-channels";
}
/* Get the descriptive name of the variable */
var_Change( (vlc_object_t *)p_aout, psz_variable, VLC_VAR_GETTEXT,
&val_name, NULL );
if( !val_name.psz_string ) val_name.psz_string = strdup(psz_variable);
if ( !*newval.psz_string )
{
/* Retrieve all registered ***. */
vlc_value_t val, text;
int i, i_value;
if ( var_Get( (vlc_object_t *)p_aout, psz_variable, &val ) < 0 )
{
vlc_object_release( (vlc_object_t *)p_aout );
return VLC_EGENERIC;
}
i_value = val.i_int;
if ( var_Change( (vlc_object_t *)p_aout, psz_variable,
VLC_VAR_GETLIST, &val, &text ) < 0 )
{
vlc_object_release( (vlc_object_t *)p_aout );
return VLC_EGENERIC;
}
printf( "+----[ %s ]\n", val_name.psz_string );
for ( i = 0; i < val.p_list->i_count; i++ )
{
if ( i_value == val.p_list->p_values[i].i_int )
printf( "| %i - %s *\n", val.p_list->p_values[i].i_int,
text.p_list->p_values[i].psz_string );
else
printf( "| %i - %s\n", val.p_list->p_values[i].i_int,
text.p_list->p_values[i].psz_string );
}
var_Change( (vlc_object_t *)p_aout, psz_variable, VLC_VAR_FREELIST,
&val, &text );
printf( _("+----[ end of %s ]\n"), val_name.psz_string );
if( val_name.psz_string ) free( val_name.psz_string );
i_error = VLC_SUCCESS;
}
else
{
vlc_value_t val;
val.i_int = atoi( newval.psz_string );
i_error = var_Set( (vlc_object_t *)p_aout, psz_variable, val );
}
vlc_object_release( (vlc_object_t *)p_aout );
return i_error;
}
#ifdef WIN32
vlc_bool_t ReadWin32( intf_thread_t *p_intf, char *p_buffer, int *pi_size )
{
INPUT_RECORD input_record;
DWORD i_dw;
/* On Win32, select() only works on socket descriptors */
while( WaitForSingleObject( p_intf->p_sys->hConsoleIn,
INTF_IDLE_SLEEP/1000 ) == WAIT_OBJECT_0 )
{
while( !p_intf->b_die && *pi_size < MAX_LINE_LENGTH &&
ReadConsoleInput( p_intf->p_sys->hConsoleIn, &input_record,
1, &i_dw ) )
{
if( input_record.EventType != KEY_EVENT ||
!input_record.Event.KeyEvent.bKeyDown ||
input_record.Event.KeyEvent.wVirtualKeyCode == VK_SHIFT ||
input_record.Event.KeyEvent.wVirtualKeyCode == VK_CONTROL||
input_record.Event.KeyEvent.wVirtualKeyCode == VK_MENU ||
input_record.Event.KeyEvent.wVirtualKeyCode == VK_CAPITAL )
{
/* nothing interesting */
continue;
}
p_buffer[ *pi_size ] = input_record.Event.KeyEvent.uChar.AsciiChar;
/* Echo out the command */
putc( p_buffer[ *pi_size ], stdout );
/* Handle special keys */
if( p_buffer[ *pi_size ] == '\r' || p_buffer[ *pi_size ] == '\n' )
{
putc( '\n', stdout );
break;
}
switch( p_buffer[ *pi_size ] )
{
case '\b':
if( *pi_size )
{
*pi_size -= 2;
putc( ' ', stdout );
putc( '\b', stdout );
}
break;
case '\r':
(*pi_size) --;
break;
}
(*pi_size)++;
}
if( *pi_size == MAX_LINE_LENGTH ||
p_buffer[ *pi_size ] == '\r' || p_buffer[ *pi_size ] == '\n' )
{
p_buffer[ *pi_size ] = 0;
return VLC_TRUE;
}
}
return VLC_FALSE;
}
#endif
vlc_bool_t ReadCommand( intf_thread_t *p_intf, char *p_buffer, int *pi_size )
{
int i_read = 0;
#ifdef WIN32
if( p_intf->p_sys->i_socket == -1 )
return ReadWin32( p_intf, p_buffer, pi_size );
#endif
while( !p_intf->b_die && *pi_size < MAX_LINE_LENGTH &&
(i_read = net_ReadNonBlock( p_intf, p_intf->p_sys->i_socket == -1 ?
STDIN_FILENO : p_intf->p_sys->i_socket,
p_buffer + *pi_size, 1, INTF_IDLE_SLEEP ) ) > 0 )
{
if( p_buffer[ *pi_size ] == '\r' || p_buffer[ *pi_size ] == '\n' )
break;
(*pi_size)++;
}
/* Connection closed */
if( i_read == -1 )
{
p_intf->p_sys->i_socket = -1;
p_buffer[ *pi_size ] = 0;
return VLC_TRUE;
}
if( *pi_size == MAX_LINE_LENGTH ||
p_buffer[ *pi_size ] == '\r' || p_buffer[ *pi_size ] == '\n' )
{
p_buffer[ *pi_size ] = 0;
return VLC_TRUE;
}
return VLC_FALSE;
}
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