/*****************************************************************************
* interface.c: interface access for other threads
- * (c)1998 VideoLAN
- *****************************************************************************
* This library provides basic functions for threads to interact with user
* interface, such as command line.
+ *****************************************************************************
+ * Copyright (C) 1998, 1999, 2000 VideoLAN
+ * $Id: interface.c,v 1.75 2001/05/01 04:18:18 sam Exp $
+ *
+ * Authors: Vincent Seguin <seguin@via.ecp.fr>
+ *
+ * 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.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/uio.h> /* for input.h */
+#include "defs.h"
+
+#include <errno.h> /* ENOMEM */
+#include <stdlib.h> /* free(), strtol() */
+#include <stdio.h> /* FILE */
+#include <string.h> /* strerror() */
+#include <sys/types.h> /* off_t */
#include "config.h"
#include "common.h"
+#include "threads.h"
#include "mtime.h"
-#include "vlc_thread.h"
-#include "input.h"
+#include "modules.h"
+
+#include "stream_control.h"
+#include "input_ext-intf.h"
+
+#include "audio_output.h"
+
#include "intf_msg.h"
#include "interface.h"
-#include "intf_cmd.h"
-#include "intf_console.h"
-#include "main.h"
+#include "intf_playlist.h"
+#include "intf_channels.h"
+#include "keystrokes.h"
+
#include "video.h"
#include "video_output.h"
-#include "intf_sys.h"
-
-/*****************************************************************************
- * intf_channel_t: channel description
- *****************************************************************************
- * A 'channel' is a descriptor of an input method. It is used to switch easily
- * from source to source without having to specify the whole input thread
- * configuration. The channels array, stored in the interface thread object, is
- * loaded in intf_Create, and unloaded in intf_Destroy.
- *****************************************************************************/
-typedef struct intf_channel_s
-{
- /* Channel description */
- int i_channel; /* channel number, -1 for end of array */
- char * psz_description; /* channel description (owned) */
-
- /* Input configuration */
- int i_input_method; /* input method descriptor */
- char * psz_input_source; /* source string (owned) */
- int i_input_port; /* port */
- int i_input_vlan; /* vlan */
-} intf_channel_t;
+#include "main.h"
/*****************************************************************************
* Local prototypes
*****************************************************************************/
-static int LoadChannels ( intf_thread_t *p_intf, char *psz_filename );
-static void UnloadChannels ( intf_thread_t *p_intf );
-static int ParseChannel ( intf_channel_t *p_channel, char *psz_str );
+static void intf_Manage( intf_thread_t *p_intf );
/*****************************************************************************
* intf_Create: prepare interface before main loop
*****************************************************************************
- * This function opens output devices and create specific interfaces. It send
- * it's own error messages.
+ * This function opens output devices and creates specific interfaces. It sends
+ * its own error messages.
*****************************************************************************/
intf_thread_t* intf_Create( void )
{
- intf_thread_t *p_intf;
+ intf_thread_t * p_intf;
/* Allocate structure */
p_intf = malloc( sizeof( intf_thread_t ) );
if( !p_intf )
{
- intf_ErrMsg("error: %s\n", strerror( ENOMEM ) );
- return( NULL );
+ intf_ErrMsg( "intf error: cannot create interface thread (%s)",
+ strerror( ENOMEM ) );
+ return( NULL );
+ }
+
+ /* Choose the best module */
+ p_intf->p_module = module_Need( MODULE_CAPABILITY_INTF, NULL );
+
+ if( p_intf->p_module == NULL )
+ {
+ intf_ErrMsg( "intf error: no suitable intf module" );
+ free( p_intf );
+ return( NULL );
}
+#define f p_intf->p_module->p_functions->intf.functions.intf
+ p_intf->pf_open = f.pf_open;
+ p_intf->pf_close = f.pf_close;
+ p_intf->pf_run = f.pf_run;
+#undef f
+
+ /* Initialize callbacks */
+ p_intf->pf_manage = intf_Manage;
+
/* Initialize structure */
- p_intf->b_die = 0;
- p_intf->p_vout = NULL;
- p_intf->p_input = NULL;
+ p_intf->b_die = 0;
- /* Load channels - the pointer will be set to NULL on failure. The
- * return value is ignored since the program can work without
- * channels */
- LoadChannels( p_intf, main_GetPszVariable( INTF_CHANNELS_VAR, INTF_CHANNELS_DEFAULT ));
+ p_intf->p_input = NULL;
+ p_intf->p_keys = NULL;
+ p_intf->b_menu = 0;
+ p_intf->b_menu_change = 0;
- /* Start interfaces */
- p_intf->p_console = intf_ConsoleCreate();
- if( p_intf->p_console == NULL )
+ if( p_intf->pf_open( p_intf ) )
{
- intf_ErrMsg("error: can't create control console\n");
- free( p_intf );
+ intf_ErrMsg("intf error: cannot create interface");
+ module_Unneed( p_intf->p_module );
+ free( p_intf );
return( NULL );
}
- if( intf_SysCreate( p_intf ) )
- {
- intf_ErrMsg("error: can't create interface\n");
- intf_ConsoleDestroy( p_intf->p_console );
- free( p_intf );
- return( NULL );
- }
- intf_Msg("Interface initialized\n");
+ /* Initialize mutexes */
+ vlc_mutex_init( &p_intf->change_lock );
+
+ /* Load channels - the pointer will be set to NULL on failure. The
+ * return value is ignored since the program can work without
+ * channels */
+ intf_LoadChannels( p_intf, main_GetPszVariable( INTF_CHANNELS_VAR,
+ INTF_CHANNELS_DEFAULT ));
+
+ intf_Msg("intf: interface initialized");
return( p_intf );
}
/*****************************************************************************
- * intf_Run
+ * intf_Manage: manage interface
*****************************************************************************
- * Initialization script and main interface loop.
+ * This function has to be called regularly by the interface plugin. It
+ * checks for playlist end, module expiration, message flushing, and a few
+ * other useful things.
*****************************************************************************/
-void intf_Run( intf_thread_t *p_intf )
+static void intf_Manage( intf_thread_t *p_intf )
{
- /* Execute the initialization script - if a positive number is returned,
- * the script could be executed but failed */
- if( intf_ExecScript( main_GetPszVariable( INTF_INIT_SCRIPT_VAR, INTF_INIT_SCRIPT_DEFAULT ) ) > 0 )
+ /* Flush waiting messages */
+ intf_FlushMsg();
+
+ /* Manage module bank */
+ module_ManageBank( );
+
+ if( ( p_intf->p_input != NULL ) &&
+ ( p_intf->p_input->b_error || p_intf->p_input->b_eof ) )
{
- intf_ErrMsg("warning: error(s) during startup script\n");
+ input_DestroyThread( p_intf->p_input, NULL );
+ p_intf->p_input = NULL;
+ intf_DbgMsg("Input thread destroyed");
}
- /* Main loop */
- while(!p_intf->b_die)
+ /* If no stream is being played, try to find one */
+ if( p_intf->p_input == NULL && !p_intf->b_die )
{
- /* Flush waiting messages */
- intf_FlushMsg();
-
- /* Manage specific interface */
- intf_SysManage( p_intf );
+ /* Select the next playlist item */
+ intf_PlaylistNext( p_main->p_playlist );
- /* Check attached threads status */
- if( (p_intf->p_vout != NULL) && p_intf->p_vout->b_error )
+ if( p_main->p_playlist->i_index == -1 )
{
- //?? add aout error detection
+ /* FIXME: wait for user to add stuff to playlist ? */
+#if 0
p_intf->b_die = 1;
+#endif
}
- if( (p_intf->p_input != NULL) && p_intf->p_input->b_error )
+ else
{
- input_DestroyThread( p_intf->p_input, NULL );
- p_intf->p_input = NULL;
- intf_DbgMsg("Input thread destroyed\n");
+ p_intf->p_input =
+ input_CreateThread( &p_main->p_playlist->current, NULL );
}
-
- /* Sleep to avoid using all CPU - since some interfaces needs to access
- * keyboard events, a 100ms delay is a good compromise */
- msleep( INTF_IDLE_SLEEP );
}
}
*****************************************************************************/
void intf_Destroy( intf_thread_t *p_intf )
{
- /* Destroy interfaces */
- intf_SysDestroy( p_intf );
- intf_ConsoleDestroy( p_intf->p_console );
+ p_intf_key p_cur;
+ p_intf_key p_next;
/* Unload channels */
- UnloadChannels( p_intf );
+ intf_UnloadChannels( p_intf );
+
+ /* Destroy interfaces */
+ p_intf->pf_close( p_intf );
+
+ /* Close input thread, if any (blocking) */
+ if( p_intf->p_input )
+ {
+ input_DestroyThread( p_intf->p_input, NULL );
+ }
+
+ /* Destroy keymap */
+ p_cur = p_intf->p_keys;
+ while( p_cur != NULL)
+ {
+ p_next = p_cur->next;
+ free(p_cur);
+ p_cur = p_next;
+ }
+
+ /* Unlock module */
+ module_Unneed( p_intf->p_module );
+
+ vlc_mutex_destroy( &p_intf->change_lock );
/* Free structure */
free( p_intf );
}
/*****************************************************************************
- * intf_SelectChannel: change channel
+ * intf_AssignKey: assign standartkeys *
*****************************************************************************
- * Kill existing input, if any, and try to open a new one, using an input
- * configuration table.
- *****************************************************************************/
-int intf_SelectChannel( intf_thread_t * p_intf, int i_channel )
+ * This function fills in the associative array that links the key pressed *
+ * and the key we use internally. Support one extra parameter. *
+ ****************************************************************************/
+void intf_AssignKey( intf_thread_t *p_intf, int r_key, int f_key, int param)
{
- intf_channel_t * p_channel; /* channel */
-
- /* Look for channel in array */
- if( p_intf->p_channel != NULL )
+ p_intf_key p_cur = p_intf->p_keys;
+ if( p_cur == NULL )
{
- for( p_channel = p_intf->p_channel; p_channel->i_channel != -1; p_channel++ )
+ p_cur = (p_intf_key )(malloc ( sizeof( intf_key ) ) );
+ p_cur->received_key = r_key;
+ p_cur->forwarded.key = f_key;
+ p_cur->forwarded.param = param;
+ p_cur->next = NULL;
+ p_intf->p_keys = p_cur;
+ }
+ else
+ {
+ while( p_cur->next != NULL && p_cur ->received_key != r_key)
{
- if( p_channel->i_channel == i_channel )
- {
- /*
- * Change channel
- */
-
- /* Kill existing input, if any */
- if( p_intf->p_input != NULL )
- {
- input_DestroyThread( p_intf->p_input, NULL );
- }
-
- intf_Msg("Channel %d: %s\n", i_channel, p_channel->psz_description );
-
- /* Open a new input */
- p_intf->p_input = input_CreateThread( p_channel->i_input_method, p_channel->psz_input_source,
- p_channel->i_input_port, p_channel->i_input_vlan,
- p_intf->p_vout, p_main->p_aout, NULL );
- return( p_intf->p_input == NULL );
- }
+ p_cur = p_cur->next;
}
- }
+ if( p_cur->next == NULL )
+ {
+ p_cur->next = ( p_intf_key )( malloc( sizeof( intf_key ) ) );
+ p_cur = p_cur->next;
+ p_cur->next = NULL;
+ p_cur->forwarded.param = param;
+ p_cur->received_key = r_key;
+ }
+ p_cur->forwarded.key = f_key;
+ }
+}
- /* Channel does not exist */
- intf_Msg("Channel %d does not exist\n", i_channel );
- return( 1 );
+/* Basic getKey function... */
+keyparm intf_GetKey( intf_thread_t *p_intf, int r_key)
+{
+ keyparm reply;
+
+ p_intf_key current = p_intf->p_keys;
+ while(current != NULL && current->received_key != r_key)
+ {
+ current = current->next;
+ }
+ if(current == NULL)
+ { /* didn't find any key in the array */
+ reply.key = INTF_KEY_UNKNOWN;
+ reply.param = 0;
+ }
+ else
+ {
+ reply.key = current->forwarded.key;
+ reply.param = current->forwarded.param;
+ }
+ return reply;
}
+/*****************************************************************************
+* intf_AssignNormalKeys: used for normal interfaces.
+*****************************************************************************
+* This function assign the basic key to the normal keys.
+*****************************************************************************/
+
+void intf_AssignNormalKeys( intf_thread_t *p_intf)
+{
+ p_intf->p_intf_get_key = intf_GetKey;
+
+ intf_AssignKey( p_intf , 'Q', INTF_KEY_QUIT, 0);
+ intf_AssignKey( p_intf , 'q', INTF_KEY_QUIT, 0);
+ intf_AssignKey( p_intf , 27, INTF_KEY_QUIT, 0);
+ intf_AssignKey( p_intf , 3, INTF_KEY_QUIT, 0);
+ intf_AssignKey( p_intf , '0', INTF_KEY_SET_CHANNEL, 0);
+ intf_AssignKey( p_intf , '1', INTF_KEY_SET_CHANNEL, 1);
+ intf_AssignKey( p_intf , '2', INTF_KEY_SET_CHANNEL, 2);
+ intf_AssignKey( p_intf , '3', INTF_KEY_SET_CHANNEL, 3);
+ intf_AssignKey( p_intf , '4', INTF_KEY_SET_CHANNEL, 4);
+ intf_AssignKey( p_intf , '5', INTF_KEY_SET_CHANNEL, 5);
+ intf_AssignKey( p_intf , '6', INTF_KEY_SET_CHANNEL, 6);
+ intf_AssignKey( p_intf , '7', INTF_KEY_SET_CHANNEL, 7);
+ intf_AssignKey( p_intf , '8', INTF_KEY_SET_CHANNEL, 8);
+ intf_AssignKey( p_intf , '9', INTF_KEY_SET_CHANNEL, 9);
+ intf_AssignKey( p_intf , '0', INTF_KEY_SET_CHANNEL, 0);
+ intf_AssignKey( p_intf , '+', INTF_KEY_INC_VOLUME, 0);
+ intf_AssignKey( p_intf , '-', INTF_KEY_DEC_VOLUME, 0);
+ intf_AssignKey( p_intf , 'm', INTF_KEY_TOGGLE_VOLUME, 0);
+ intf_AssignKey( p_intf , 'M', INTF_KEY_TOGGLE_VOLUME, 0);
+ intf_AssignKey( p_intf , 'g', INTF_KEY_DEC_GAMMA, 0);
+ intf_AssignKey( p_intf , 'G', INTF_KEY_INC_GAMMA, 0);
+ intf_AssignKey( p_intf , 'c', INTF_KEY_TOGGLE_GRAYSCALE, 0);
+ intf_AssignKey( p_intf , ' ', INTF_KEY_TOGGLE_INTERFACE, 0);
+ intf_AssignKey( p_intf , 'i', INTF_KEY_TOGGLE_INFO, 0);
+ intf_AssignKey( p_intf , 's', INTF_KEY_TOGGLE_SCALING, 0);
+ intf_AssignKey( p_intf , 'd', INTF_KEY_DUMP_STREAM, 0);
+}
+
/*****************************************************************************
* intf_ProcessKey: process standard keys
*****************************************************************************
* This function will process standard keys and return non 0 if the key was
* unknown.
*****************************************************************************/
-int intf_ProcessKey( intf_thread_t *p_intf, int i_key )
+int intf_ProcessKey( intf_thread_t *p_intf, int g_key )
{
- switch( i_key )
+ static int i_volbackup;
+ keyparm k_reply;
+
+ k_reply = intf_GetKey( p_intf, g_key);
+ switch( k_reply.key )
{
- case 'Q': /* quit order */
- case 'q':
- case 27: /* escape key */
- case 3: /* ^C */
+ case INTF_KEY_QUIT: /* quit order */
p_intf->b_die = 1;
break;
- case '0': /* source change */
- case '1':
- case '2':
- case '3':
- case '4':
- case '5':
- case '6':
- case '7':
- case '8':
- case '9':
+ case INTF_KEY_SET_CHANNEL:
/* Change channel - return code is ignored since SelectChannel displays
* its own error messages */
- intf_SelectChannel( p_intf, i_key - '0' );
+/* intf_SelectChannel( p_intf, k_reply.param ); */
+/* network_ChannelJoin() */
+/* FIXME : keyboard event is for the time being half handled by the interface
+ * half handled directly by the plugins. We should decide what to do. */
break;
- case '+': /* volume + */
- // ??
+ case INTF_KEY_INC_VOLUME: /* volume + */
+ if( (p_main->p_aout != NULL) && (p_main->p_aout->i_vol < VOLUME_MAX) )
+ p_main->p_aout->i_vol += VOLUME_STEP;
break;
- case '-': /* volume - */
- // ??
- break;
- case 'M': /* toggle mute */
- case 'm':
- // ??
- break;
- case 'g': /* gamma - */
- if( (p_intf->p_vout != NULL) && (p_intf->p_vout->f_gamma > -INTF_GAMMA_LIMIT) )
- {
- vlc_mutex_lock( &p_intf->p_vout->change_lock );
- p_intf->p_vout->f_gamma -= INTF_GAMMA_STEP;
- p_intf->p_vout->i_changes |= VOUT_GAMMA_CHANGE;
- vlc_mutex_unlock( &p_intf->p_vout->change_lock );
- }
+ case INTF_KEY_DEC_VOLUME: /* volume - */
+ if( (p_main->p_aout != NULL) && (p_main->p_aout->i_vol > VOLUME_STEP) )
+ p_main->p_aout->i_vol -= VOLUME_STEP;
break;
- case 'G': /* gamma + */
- if( (p_intf->p_vout != NULL) && (p_intf->p_vout->f_gamma < INTF_GAMMA_LIMIT) )
+ case INTF_KEY_TOGGLE_VOLUME: /* toggle mute */
+ if( (p_main->p_aout != NULL) && (p_main->p_aout->i_vol))
{
- vlc_mutex_lock( &p_intf->p_vout->change_lock );
- p_intf->p_vout->f_gamma += INTF_GAMMA_STEP;
- p_intf->p_vout->i_changes |= VOUT_GAMMA_CHANGE;
- vlc_mutex_unlock( &p_intf->p_vout->change_lock );
+ i_volbackup = p_main->p_aout->i_vol;
+ p_main->p_aout->i_vol = 0;
}
+ else if( (p_main->p_aout != NULL) && (!p_main->p_aout->i_vol))
+ p_main->p_aout->i_vol = i_volbackup;
break;
- case 'c': /* toggle grayscale */
- if( p_intf->p_vout != NULL )
+ case INTF_KEY_DEC_GAMMA: /* gamma - */
+ if( (p_main->p_vout != NULL) && (p_main->p_vout->f_gamma > -INTF_GAMMA_LIMIT) )
{
- vlc_mutex_lock( &p_intf->p_vout->change_lock );
- p_intf->p_vout->b_grayscale = !p_intf->p_vout->b_grayscale;
- p_intf->p_vout->i_changes |= VOUT_GRAYSCALE_CHANGE;
- vlc_mutex_unlock( &p_intf->p_vout->change_lock );
+ /* FIXME: we should lock if called from the interface */
+ p_main->p_vout->f_gamma -= INTF_GAMMA_STEP;
+ p_main->p_vout->i_changes |= VOUT_GAMMA_CHANGE;
}
break;
- case ' ': /* toggle interface */
- if( p_intf->p_vout != NULL )
+ case INTF_KEY_INC_GAMMA: /* gamma + */
+ if( (p_main->p_vout != NULL) && (p_main->p_vout->f_gamma < INTF_GAMMA_LIMIT) )
{
- vlc_mutex_lock( &p_intf->p_vout->change_lock );
- p_intf->p_vout->b_interface = !p_intf->p_vout->b_interface;
- p_intf->p_vout->i_changes |= VOUT_INTF_CHANGE;
- vlc_mutex_unlock( &p_intf->p_vout->change_lock );
+ /* FIXME: we should lock if called from the interface */
+ p_main->p_vout->f_gamma += INTF_GAMMA_STEP;
+ p_main->p_vout->i_changes |= VOUT_GAMMA_CHANGE;
}
break;
- case 'i': /* toggle info */
- if( p_intf->p_vout != NULL )
+ case INTF_KEY_DUMP_STREAM:
+ if( p_intf->p_input != NULL )
{
- vlc_mutex_lock( &p_intf->p_vout->change_lock );
- p_intf->p_vout->b_info = !p_intf->p_vout->b_info;
- p_intf->p_vout->i_changes |= VOUT_INFO_CHANGE;
- vlc_mutex_unlock( &p_intf->p_vout->change_lock );
- }
- break;
- case 's': /* toggle scaling */
- if( p_intf->p_vout != NULL )
- {
- vlc_mutex_lock( &p_intf->p_vout->change_lock );
- p_intf->p_vout->b_scale = !p_intf->p_vout->b_scale;
- p_intf->p_vout->i_changes |= VOUT_SCALE_CHANGE;
- vlc_mutex_unlock( &p_intf->p_vout->change_lock );
+ vlc_mutex_lock( &p_intf->p_input->stream.stream_lock );
+ input_DumpStream( p_intf->p_input );
+ vlc_mutex_unlock( &p_intf->p_input->stream.stream_lock );
}
break;
default: /* unknown key */
return( 0 );
}
-
-/* following functions are local */
-
-/*****************************************************************************
- * LoadChannels: load channels description from a file
- *****************************************************************************
- * This structe describes all interface-specific data of the main (interface)
- * thread.
- * Each line of the file is a semicolon separated list of the following
- * fields :
- * integer channel number
- * string channel description
- * integer input method (see input.h)
- * string input source
- * integer input port
- * integer input vlan
- * The last field must end with a semicolon.
- * Comments and empty lines are not explicitely allowed, but lines with parsing
- * errors are ignored without warning.
- *****************************************************************************/
-static int LoadChannels( intf_thread_t *p_intf, char *psz_filename )
-{
- FILE * p_file; /* file */
- intf_channel_t * p_channel; /* current channel */
- char psz_line[INTF_MAX_CMD_SIZE]; /* line buffer */
- int i_index; /* channel or field index */
-
- /* Set default value */
- p_intf->p_channel = NULL;
-
- /* Open file */
- p_file = fopen( psz_filename, "r" );
- if( p_file == NULL )
- {
- intf_ErrMsg("error: can't open %s (%s)\n", psz_filename, strerror(errno));
- return( 1 );
- }
-
- /* First pass: count number of lines */
- for( i_index = 0; fgets( psz_line, INTF_MAX_CMD_SIZE, p_file ) != NULL; i_index++ )
- {
- ;
- }
-
- if( i_index != 0 )
- {
- /* Allocate array and rewind - some of the lines may be invalid, and the
- * array will probably be larger than the actual number of channels, but
- * it has no consequence. */
- p_intf->p_channel = malloc( sizeof( intf_channel_t ) * i_index );
- if( p_intf->p_channel == NULL )
- {
- intf_ErrMsg("error: %s\n", strerror(ENOMEM));
- fclose( p_file );
- return( 1 );
- }
- p_channel = p_intf->p_channel;
- rewind( p_file );
-
- /* Second pass: read channels descriptions */
- while( fgets( psz_line, INTF_MAX_CMD_SIZE, p_file ) != NULL )
- {
- if( !ParseChannel( p_channel, psz_line ) )
- {
- intf_DbgMsg("channel [%d] %s : method %d (%s:%d vlan %d)\n",
- p_channel->i_channel, p_channel->psz_description,
- p_channel->i_input_method, p_channel->psz_input_source,
- p_channel->i_input_port, p_channel->i_input_vlan );
- p_channel++;
- }
- }
-
- /* Add marker at the end of the array */
- p_channel->i_channel = -1;
- }
-
- /* Close file */
- fclose( p_file );
- return( 0 );
-}
-
-/*****************************************************************************
- * UnloadChannels: unload channels description
- *****************************************************************************
- * This function free all resources allocated by LoadChannels, if any.
- *****************************************************************************/
-static void UnloadChannels( intf_thread_t *p_intf )
-{
- int i_channel; /* channel index */
-
- if( p_intf->p_channel != NULL )
- {
- /* Free allocated strings */
- for( i_channel = 0;
- p_intf->p_channel[ i_channel ].i_channel != -1;
- i_channel++ )
- {
- if( p_intf->p_channel[ i_channel ].psz_description != NULL )
- {
- free( p_intf->p_channel[ i_channel ].psz_description );
- }
- if( p_intf->p_channel[ i_channel ].psz_input_source != NULL )
- {
- free( p_intf->p_channel[ i_channel ].psz_input_source );
- }
- }
-
- /* Free array */
- free( p_intf->p_channel );
- p_intf->p_channel = NULL;
- }
-}
-
-
-/*****************************************************************************
- * ParseChannel: parse a channel description line
- *****************************************************************************
- * See LoadChannels. This function return non 0 on parsing error.
- *****************************************************************************/
-static int ParseChannel( intf_channel_t *p_channel, char *psz_str )
-{
- char * psz_index; /* current character */
- char * psz_end; /* end pointer for strtol */
- int i_field; /* field number, -1 on error */
- int i_field_length; /* field length, for text fields */
-
- /* Set some default fields */
- p_channel->i_channel = 0;
- p_channel->psz_description = NULL;
- p_channel->i_input_method = 0;
- p_channel->psz_input_source = NULL;
- p_channel->i_input_port = 0;
- p_channel->i_input_vlan = 0;
-
- /* Parse string */
- i_field = 0;
- for( psz_index = psz_str; (i_field != -1) && (*psz_index != '\0'); psz_index++ )
- {
- if( *psz_index == ';' )
- {
- /* Mark end of field */
- *psz_index = '\0';
-
- /* Parse field */
- switch( i_field++ )
- {
- case 0: /* channel number */
- p_channel->i_channel = strtol( psz_str, &psz_end, 0);
- if( (*psz_str == '\0') || (*psz_end != '\0') )
- {
- i_field = -1;
- }
- break;
- case 1: /* channel description */
- i_field_length = strlen( psz_str );
- if( i_field_length != 0 )
- {
- p_channel->psz_description = malloc( i_field_length + 1 );
- if( p_channel->psz_description == NULL )
- {
- intf_ErrMsg("error: %s\n", strerror( ENOMEM ));
- i_field = -1;
- }
- else
- {
- strcpy( p_channel->psz_description, psz_str );
- }
- }
- break;
- case 2: /* input method */
- p_channel->i_input_method = strtol( psz_str, &psz_end, 0);
- if( (*psz_str == '\0') || (*psz_end != '\0') )
- {
- i_field = -1;
- }
- break;
- case 3: /* input source */
- i_field_length = strlen( psz_str );
- if( i_field_length != 0 )
- {
- p_channel->psz_input_source = malloc( i_field_length + 1 );
- if( p_channel->psz_input_source == NULL )
- {
- intf_ErrMsg("error: %s\n", strerror( ENOMEM ));
- i_field = -1;
- }
- else
- {
- strcpy( p_channel->psz_input_source, psz_str );
- }
- }
- break;
- case 4: /* input port */
- p_channel->i_input_port = strtol( psz_str, &psz_end, 0);
- if( (*psz_str == '\0') || (*psz_end != '\0') )
- {
- i_field = -1;
- }
- break;
- case 5: /* input vlan */
- p_channel->i_channel = strtol( psz_str, &psz_end, 0);
- if( (*psz_str == '\0') || (*psz_end != '\0') )
- {
- i_field = -1;
- }
- break;
- /* ... following fields are ignored */
- }
-
- /* Set new beginning of field */
- psz_str = psz_index + 1;
- }
- }
-
- /* At least the first three fields must be parsed sucessfully for function
- * success. Other parsing errors are returned using i_field = -1. */
- if( i_field < 3 )
- {
- /* Function fails. Free allocated strings */
- if( p_channel->psz_description != NULL )
- {
- free( p_channel->psz_description );
- }
- if( p_channel->psz_input_source != NULL )
- {
- free( p_channel->psz_input_source );
- }
- return( 1 );
- }
-
- /* Return success */
- return( 0 );
-}