qt_demoe/vlcdemo/vlc/vlc2/include/plugins/vlc_fingerprinter.h

93 lines
3.1 KiB
C

/*****************************************************************************
* vlc_fingerprinter.h: Fingerprinter abstraction layer
*****************************************************************************
* Copyright (C) 2012 VLC authors and VideoLAN
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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.
*****************************************************************************/
#ifndef VLC_FINGERPRINTER_H
# define VLC_FINGERPRINTER_H
#include <vlc_common.h>
#include <vlc_meta.h>
#include <vlc_input_item.h>
#include <vlc_arrays.h>
# ifdef __cplusplus
extern "C" {
# endif
typedef struct fingerprinter_sys_t fingerprinter_sys_t;
struct fingerprint_request_t
{
input_item_t *p_item;
unsigned int i_duration; /* track length hint in seconds, 0 if unkown */
struct
{
char *psz_fingerprint;
vlc_array_t metas_array;
} results ;
};
typedef struct fingerprint_request_t fingerprint_request_t;
static inline fingerprint_request_t *fingerprint_request_New( input_item_t *p_item )
{
fingerprint_request_t *p_r =
( fingerprint_request_t * ) calloc( 1, sizeof( fingerprint_request_t ) );
if ( !p_r ) return NULL;
p_r->results.psz_fingerprint = NULL;
p_r->i_duration = 0;
vlc_gc_incref( p_item );
p_r->p_item = p_item;
vlc_array_init( & p_r->results.metas_array ); /* shouldn't be needed */
return p_r;
}
static inline void fingerprint_request_Delete( fingerprint_request_t *p_f )
{
vlc_gc_decref( p_f->p_item );
free( p_f->results.psz_fingerprint );
for( int i = 0; i < vlc_array_count( & p_f->results.metas_array ); i++ )
vlc_meta_Delete( (vlc_meta_t *) vlc_array_item_at_index( & p_f->results.metas_array, i ) );
free( p_f );
}
struct fingerprinter_thread_t
{
VLC_COMMON_MEMBERS
/* Specific interfaces */
fingerprinter_sys_t * p_sys;
module_t * p_module;
void ( *pf_run ) ( struct fingerprinter_thread_t * );
void ( *pf_enqueue ) ( struct fingerprinter_thread_t *f, fingerprint_request_t *r );
fingerprint_request_t * ( *pf_getresults ) ( struct fingerprinter_thread_t *f );
void ( *pf_apply ) ( fingerprint_request_t *, int i_resultid );
};
typedef struct fingerprinter_thread_t fingerprinter_thread_t;
VLC_API fingerprinter_thread_t *fingerprinter_Create( vlc_object_t *p_this );
VLC_API void fingerprinter_Destroy( fingerprinter_thread_t *p_fingerprint );
# ifdef __cplusplus
}
# endif
#endif