vlm.c

VLC Player Source Code

/*****************************************************************************
 * vlm.c: libvlc new API VLM handling functions
 *****************************************************************************
 * Copyright (C) 2005 the VideoLAN team
 * $Id: 8e0f5fa7f80036cc461b40f4bad7b40cc08ebb7c $
 *
 * Authors: Clément Stenac <[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.
 *****************************************************************************/

#include "libvlc_internal.h"

#include <vlc/libvlc.h>
#include <vlc_es.h>
#include <vlc_input.h>
#include <vlc_vlm.h>

#if 0
/* local function to be used in libvlc_vlm_show_media only */
static char* recurse_answer( char* psz_prefix, vlm_message_t *p_answer ) {
    char* psz_childprefix;
    char* psz_response="";
    char* response_tmp;
    int i;
    vlm_message_t *aw_child, **paw_child;

    asprintf( &psz_childprefix, "%s%s.", psz_prefix, p_answer->psz_name );

    if ( p_answer->i_child )
    {
        paw_child = p_answer->child;
        aw_child = *( paw_child );
        for( i = 0; i < p_answer->i_child; i++ )
        {
            asprintf( &response_tmp, "%s%s%s:%s\n",
                      psz_response, psz_prefix, aw_child->psz_name,
                      aw_child->psz_value );
            free( psz_response );
            psz_response = response_tmp;
            if ( aw_child->i_child )
            {
                asprintf(&response_tmp, "%s%s", psz_response,
                         recurse_answer(psz_childprefix, aw_child));
                free( psz_response );
                psz_response = response_tmp;
            }
            paw_child++;
            aw_child = *( paw_child );
        }
    }
    free( psz_childprefix );
    return psz_response;
}

char* libvlc_vlm_show_media( libvlc_instance_t *p_instance, char *psz_name,
                             libvlc_exception_t *p_exception )
{
    char *psz_message;
    vlm_message_t *answer;
    char *psz_response;

    CHECK_VLM;
#ifdef ENABLE_VLM
    asprintf( &psz_message, "show %s", psz_name );
    asprintf( &psz_response, "", psz_name );
    vlm_ExecuteCommand( p_instance->p_vlm, psz_message, &answer );
    if( answer->psz_value )
    {
        libvlc_exception_raise( p_exception, "Unable to call show %s: %s",
                                psz_name, answer->psz_value );
    }
    else
    {
        if ( answer->child )
        {
            psz_response = recurse_answer( "", answer );
        }
    }
    free( psz_message );
    return(psz_response );
#else
    libvlc_exception_raise( p_exception, "VLM has been disabled in this libvlc." );
    return NULL;
#endif
}
#endif /* 0 */

static int libvlc_vlm_init( libvlc_instance_t *p_instance,
                            libvlc_exception_t *p_exception )
{
#ifdef ENABLE_VLM
    if( !p_instance->p_vlm )
        p_instance->p_vlm = vlm_New( p_instance->p_libvlc_int );
#else
    libvlc_exception_raise( p_exception, "VLM has been disabled in this libvlc." );
    return VLC_EGENERIC;
#endif

    if( !p_instance->p_vlm )
    {
        libvlc_exception_raise( p_exception,
                                "Unable to create VLM." );
        return VLC_EGENERIC;
    }
    return VLC_SUCCESS;
}
#define VLM_RET(p,ret) do {                                     \
    if( libvlc_vlm_init( p_instance, p_exception ) ) return ret;\
    (p) = p_instance->p_vlm;                                    \
  } while(0)
#define VLM(p) VLM_RET(p,)

static vlm_media_instance_t *libvlc_vlm_get_media_instance( libvlc_instance_t *p_instance,
                                                            char *psz_name, int i_minstance_idx,
                                                            libvlc_exception_t *p_exception )
{
#ifdef ENABLE_VLM
    vlm_t *p_vlm;
    vlm_media_instance_t **pp_minstance;
    vlm_media_instance_t *p_minstance;
    int i_minstance;
    int64_t id;

    VLM_RET(p_vlm, NULL);

    if( vlm_Control( p_vlm, VLM_GET_MEDIA_ID, psz_name, &id ) ||
        vlm_Control( p_vlm, VLM_GET_MEDIA_INSTANCES, id, &pp_minstance, &i_minstance ) )
    {
        libvlc_exception_raise( p_exception, "Unable to get %s instances", psz_name );
        return NULL;
    }
    p_minstance = NULL;
    if( i_minstance_idx >= 0 && i_minstance_idx < i_minstance )
    {
        p_minstance = pp_minstance[i_minstance_idx];
        TAB_REMOVE( i_minstance, pp_minstance, p_minstance );
    }
    while( i_minstance > 0 )
        vlm_media_instance_Delete( pp_minstance[--i_minstance] );
    TAB_CLEAN( i_minstance, pp_minstance );
    return p_minstance;
#else
    libvlc_exception_raise( p_exception, "VLM has been disabled in this libvlc." );
    return VLC_EGENERIC;
#endif
}


void libvlc_vlm_release( libvlc_instance_t *p_instance, libvlc_exception_t *p_exception)
{
#ifdef ENABLE_VLM
    vlm_t *p_vlm;

    VLM(p_vlm);

    vlm_Delete( p_vlm );
#else
    libvlc_exception_raise( p_exception, "VLM has been disabled in this libvlc." );
    return VLC_EGENERIC;
#endif
}


void libvlc_vlm_add_broadcast( libvlc_instance_t *p_instance, char *psz_name,
                               char *psz_input, char *psz_output,
                               int i_options, char **ppsz_options,
                               int b_enabled, int b_loop,
                               libvlc_exception_t *p_exception )
{
#ifdef ENABLE_VLM
    vlm_t *p_vlm;
    vlm_media_t m;
    int n;

    VLM(p_vlm);

    vlm_media_Init( &m );
    m.psz_name = strdup( psz_name );
    m.b_enabled = b_enabled;
    m.b_vod = false;
    m.broadcast.b_loop = b_loop;
    if( psz_input )
        TAB_APPEND( m.i_input, m.ppsz_input, strdup(psz_input) );
    if( psz_output )
        m.psz_output = strdup( psz_output );
    for( n = 0; n < i_options; n++ )
        TAB_APPEND( m.i_option, m.ppsz_option, strdup(ppsz_options[n]) );

    n = vlm_Control( p_vlm, VLM_ADD_MEDIA, &m, NULL );
    vlm_media_Clean( &m );
    if( n )
        libvlc_exception_raise( p_exception, "Media %s creation failed", psz_name );
#else
    libvlc_exception_raise( p_exception, "VLM has been disabled in this libvlc." );
    return VLC_EGENERIC;
#endif
}

void libvlc_vlm_add_vod( libvlc_instance_t *p_instance, char *psz_name,
                         char *psz_input, int i_options,
                         char **ppsz_options, int b_enabled,
                         char *psz_mux, libvlc_exception_t *p_exception )
{
#ifdef ENABLE_VLM
    vlm_t *p_vlm;
    vlm_media_t m;
    int n;

    VLM(p_vlm);

    vlm_media_Init( &m );
    m.psz_name = strdup( psz_name );
    m.b_enabled = b_enabled;
    m.b_vod = true;
    m.vod.psz_mux = psz_mux ? strdup( psz_mux ) : NULL;
    if( psz_input )
        TAB_APPEND( m.i_input, m.ppsz_input, strdup(psz_input) );
    for( n = 0; n < i_options; n++ )
        TAB_APPEND( m.i_option, m.ppsz_option, strdup(ppsz_options[n]) );

    n = vlm_Control( p_vlm, VLM_ADD_MEDIA, &m, NULL );
    vlm_media_Clean( &m );
    if( n )
        libvlc_exception_raise( p_exception, "Media %s creation failed", psz_name );
#else
    libvlc_exception_raise( p_exception, "VLM has been disabled in this libvlc." );
    return VLC_EGENERIC;
#endif
}

void libvlc_vlm_del_media( libvlc_instance_t *p_instance, char *psz_name,
                           libvlc_exception_t *p_exception )
{
#ifdef ENABLE_VLM
    vlm_t *p_vlm;
    int64_t id;

    VLM(p_vlm);

    if( vlm_Control( p_vlm, VLM_GET_MEDIA_ID, psz_name, &id ) ||
        vlm_Control( p_vlm, VLM_DEL_MEDIA, id ) )
    {
        libvlc_exception_raise( p_exception, "Unable to delete %s", psz_name );
    }
#else