control.c

VLC Player Source Code

/*****************************************************************************
 * control.c
 *****************************************************************************
 * Copyright (C) 1999-2004 the VideoLAN team
 * $Id: 123c9f908faa8c8f1a7d0ab4cc927757c6c9cb3d $
 *
 * Authors: Gildas Bazin <[e-mail]>
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#include <vlc_common.h>

#include <stdio.h>
#include <stdlib.h>

#include "input_internal.h"


static void UpdateBookmarksOption( input_thread_t * );

/****************************************************************************
 * input_Control
 ****************************************************************************/
/**
 * Control function for inputs.
 * \param p_input input handle
 * \param i_query query type
 * \return VLC_SUCCESS if ok
 */
int input_Control( input_thread_t *p_input, int i_query, ...  )
{
    va_list args;
    int     i_result;

    va_start( args, i_query );
    i_result = input_vaControl( p_input, i_query, args );
    va_end( args );

    return i_result;
}

int input_vaControl( input_thread_t *p_input, int i_query, va_list args )
{
    seekpoint_t *p_bkmk, ***ppp_bkmk;
    int i_bkmk = 0;
    int *pi_bkmk;

    int i_int, *pi_int;
    double f, *pf;
    int64_t i_64, *pi_64;

    char *psz;
    vlc_value_t val;

    switch( i_query )
    {
        case INPUT_GET_POSITION:
            pf = (double*)va_arg( args, double * );
            *pf = var_GetFloat( p_input, "position" );
            return VLC_SUCCESS;

        case INPUT_SET_POSITION:
            f = (double)va_arg( args, double );
            return var_SetFloat( p_input, "position", f );

        case INPUT_GET_LENGTH:
            pi_64 = (int64_t*)va_arg( args, int64_t * );
            *pi_64 = var_GetTime( p_input, "length" );
            return VLC_SUCCESS;

        case INPUT_GET_TIME:
            pi_64 = (int64_t*)va_arg( args, int64_t * );
            *pi_64 = var_GetTime( p_input, "time" );
            return VLC_SUCCESS;

        case INPUT_SET_TIME:
            i_64 = (int64_t)va_arg( args, int64_t );
            return var_SetTime( p_input, "time", i_64 );

        case INPUT_GET_RATE:
            pi_int = (int*)va_arg( args, int * );
            *pi_int = var_GetInteger( p_input, "rate" );
            return VLC_SUCCESS;

        case INPUT_SET_RATE:
            i_int = (int)va_arg( args, int );
            return var_SetInteger( p_input, "rate", i_int );

        case INPUT_GET_STATE:
            pi_int = (int*)va_arg( args, int * );
            *pi_int = var_GetInteger( p_input, "state" );
            return VLC_SUCCESS;

        case INPUT_SET_STATE:
            i_int = (int)va_arg( args, int );
            return var_SetInteger( p_input, "state", i_int );

        case INPUT_GET_AUDIO_DELAY:
            pi_64 = (int64_t*)va_arg( args, int64_t * );
            *pi_64 = var_GetTime( p_input, "audio-delay" );
            return VLC_SUCCESS;

        case INPUT_GET_SPU_DELAY:
            pi_64 = (int64_t*)va_arg( args, int64_t * );
            *pi_64 = var_GetTime( p_input, "spu-delay" );
            return VLC_SUCCESS;

        case INPUT_SET_AUDIO_DELAY:
            i_64 = (int64_t)va_arg( args, int64_t );
            return var_SetTime( p_input, "audio-delay", i_64 );

        case INPUT_SET_SPU_DELAY:
            i_64 = (int64_t)va_arg( args, int64_t );
            return var_SetTime( p_input, "spu-delay", i_64 );

        case INPUT_ADD_INFO:
        {
            /* FIXME : Impossible to use input_item_AddInfo because of
             * the ... problem ? */
            char *psz_cat = (char *)va_arg( args, char * );
            char *psz_name = (char *)va_arg( args, char * );
            char *psz_format = (char *)va_arg( args, char * );

            info_category_t *p_cat;
            info_t *p_info;
            int i;

            vlc_mutex_lock( &p_input->p->input.p_item->lock );
            for( i = 0; i < p_input->p->input.p_item->i_categories; i++ )
            {
                if( !strcmp( p_input->p->input.p_item->pp_categories[i]->psz_name,
                             psz_cat ) ) break;
            }

            if( i == p_input->p->input.p_item->i_categories )
            {
                p_cat = malloc( sizeof( info_category_t ) );
                if( !p_cat )
                {
                    vlc_mutex_unlock( &p_input->p->input.p_item->lock );
                    return VLC_EGENERIC;
                }
                p_cat->psz_name = strdup( psz_cat );
                p_cat->i_infos = 0;
                p_cat->pp_infos = NULL;
                INSERT_ELEM( p_input->p->input.p_item->pp_categories,
                             p_input->p->input.p_item->i_categories,
                             p_input->p->input.p_item->i_categories, p_cat );
            }

            p_cat = p_input->p->input.p_item->pp_categories[i];

            for( i = 0; i < p_cat->i_infos; i++ )
            {
                if( !strcmp( p_cat->pp_infos[i]->psz_name, psz_name ) )
                {
                    if( p_cat->pp_infos[i]->psz_value )
                        free( p_cat->pp_infos[i]->psz_value );
                    break;
                }
            }

            if( i == p_cat->i_infos )
            {
                p_info = malloc( sizeof( info_t ) );
                if( !p_info )
                {
                    vlc_mutex_unlock( &p_input->p->input.p_item->lock );
                    return VLC_EGENERIC;
                }

                INSERT_ELEM( p_cat->pp_infos, p_cat->i_infos,
                             p_cat->i_infos, p_info );
                p_info->psz_name = strdup( psz_name );
            }

            p_info = p_cat->pp_infos[i];
            if( vasprintf( &p_info->psz_value, psz_format, args ) == -1 )
                p_info->psz_value = NULL;

            vlc_mutex_unlock( &p_input->p->input.p_item->lock );

            if( !p_input->b_preparsing )
            {
                vlc_event_t event;
                event.type = vlc_InputItemInfoChanged;
                vlc_event_send( &p_input->p->input.p_item->event_manager, &event );
            }
        }
        return VLC_SUCCESS;

        case INPUT_DEL_INFO:
        {
            char *psz_cat = (char *)va_arg( args, char * );
            char *psz_name = (char *)va_arg( args, char * );

            info_category_t *p_cat = NULL;
            int i_cat;
            int i;

            vlc_mutex_lock( &p_input->p->input.p_item->lock );
            for( i_cat = 0; i_cat < p_input->p->input.p_item->i_categories; i_cat++ )
            {
                if( !strcmp( p_input->p->input.p_item->pp_categories[i_cat]->psz_name,
                             psz_cat ) )
                {
                    p_cat = p_input->p->input.p_item->pp_categories[i_cat];
                    break;
                }
            }
            if( p_cat == NULL )
            {
                vlc_mutex_unlock( &p_input->p->input.p_item->lock );
                return VLC_EGENERIC;
            }

            if( psz_name )
            {
                /* Remove a specific info */
                for( i = 0; i < p_cat->i_infos; i++ )
                {
                    if( !strcmp( p_cat->pp_infos[i]->psz_name, psz_name ) )
                    {
                        free( p_cat->pp_infos[i]->psz_name );
                        if( p_cat->pp_infos[i]->psz_value )
                            free( p_cat->pp_infos[i]->psz_value );
                        free( p_cat->pp_infos[i] );
                        REMOVE_ELEM( p_cat->pp_infos, p_cat->i_infos, i );
                        break;
                    }
                }
                if( i >= p_cat->i_infos )
                {
                    vlc_mutex_unlock( &p_input->p->input.p_item->lock );
                    return VLC_EGENERIC;
                }
            }
            else
            {
                /* Remove the complete categorie */
                for( i = 0; i < p_cat->i_infos; i++ )
                {
                    free( p_cat->pp_infos[i]->psz_name );
                    if( p_cat->pp_infos[i]->psz_value )
                        free( p_cat->pp_infos[i]->psz_value );
                    free( p_cat->pp_infos[i] );
                }
                if( p_cat->pp_infos )
                    free( p_cat->pp_infos );
                REMOVE_ELEM( p_input->p->input.p_item->pp_categories, p_input->p->input.p_item->i_categories, i_cat );
            }
            vlc_mutex_unlock( &p_input->p->input.p_item->lock );

            if( !p_input->b_preparsing )
            {
                vlc_event_t event;
                event.type = vlc_InputItemInfoChanged;
                vlc_event_send( &p_input->p->input.p_item->event_manager, &event );
            }
            return VLC_SUCCESS;
        }


        case INPUT_GET_INFO:
        {
            char *psz_cat = (char *)va_arg( args, char * );
            char *psz_name = (char *)va_arg( args, char * );
            char **ppsz_value = (char **)va_arg( args, char ** );
            int i_ret = VLC_EGENERIC;
            *ppsz_value = NULL;

            *ppsz_value = input_item_GetInfo( p_input->p->input.p_item,
                                                  psz_cat, psz_name );
            return i_ret;
        }

        case INPUT_SET_NAME:
        {
            char *psz_name = (char *)va_arg( args, char * );

            if( !psz_name ) return VLC_EGENERIC;

            vlc_mutex_lock( &p_input->p->input.p_item->lock );
            if( p_input->p->input.p_item->psz_name )
                free( p_input->p->input.p_item->psz_name );
            p_input->p->input.p_item->psz_name = strdup( psz_name );
            vlc_mutex_unlock( &p_input->p->input.p_item->lock );

            if( !p_input->b_preparsing )
            {
                vlc_event_t event;
                event.type = vlc_InputItemNameChanged;
                event.u.input_item_name_changed.new_name = psz_name;
                vlc_event_send( &p_input->p->input.p_item->event_manager, &event );
            }
            return VLC_SUCCESS;
        }

        case INPUT_ADD_BOOKMARK:
            p_bkmk = (seekpoint_t *)va_arg( args, seekpoint_t * );
            p_bkmk = vlc_seekpoint_Duplicate( p_bkmk );

            vlc_mutex_lock( &p_input->p->input.p_item->lock );
            if( !p_bkmk->psz_name )
            {