include/vlc_es_out.h

   1 /*****************************************************************************
   2  * vlc_es_out.h
   3  *****************************************************************************
   4  * Copyright (C) 1999-2004 VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  22  *****************************************************************************/
  23
  24 #ifndef _VLC_ES_OUT_H
  25 #define _VLC_ES_OUT_H 1
  26
  27 /**
  28  * \defgroup es out Es Out
  29  * @{
  30  */
  31
  32 enum es_out_mode_e
  33 {
  34     ES_OUT_MODE_NONE,   /* don't select anything */
  35     ES_OUT_MODE_ALL,    /* eg for stream output */
  36     ES_OUT_MODE_AUTO    /* best audio/video or for input follow audio-channel, spu-channel */
  37 };
  38
  39 enum es_out_query_e
  40 {
  41     /* activate apply of mode */
  42     ES_OUT_SET_ACTIVE,  /* arg1= vlc_bool_t                     */
  43     /* see if mode is currently aplied or not */
  44     ES_OUT_GET_ACTIVE,  /* arg1= vlc_bool_t*                    */
  45
  46     /* set/get mode */
  47     ES_OUT_SET_MODE,    /* arg1= int                            */
  48     ES_OUT_GET_MODE,    /* arg2= int*                           */
  49
  50     /* set es selected for the es category(audio/video/spu) */
  51     ES_OUT_SET_ES,      /* arg1= es_out_id_t*                   */
  52
  53     /* force selection/unselection of the ES (bypass current mode)*/
  54     ES_OUT_SET_ES_STATE,/* arg1= es_out_id_t* arg2=vlc_bool_t   */
  55     ES_OUT_GET_ES_STATE,/* arg1= es_out_id_t* arg2=vlc_bool_t*  */
  56
  57     /* */
  58     ES_OUT_SET_GROUP,   /* arg1= int                            */
  59     ES_OUT_GET_GROUP,   /* arg1= int*                           */
  60
  61     /* PCR handling, dts/pts will be automatically computed using thoses PCR */
  62     ES_OUT_SET_PCR,             /* arg1=int64_t i_pcr(microsecond!) (using default group 0)*/
  63     ES_OUT_SET_GROUP_PCR,       /* arg1= int i_group, arg2=int64_t i_pcr(microsecond!)*/
  64     ES_OUT_RESET_PCR,           /* no arg */
  65
  66     /* Try not to use this one as it is a bit hacky */
  67     ES_OUT_SET_FMT      /* arg1= es_out_id_t* arg2=es_format_t* */
  68 };
  69
  70 struct es_out_t
  71 {
  72     es_out_id_t *(*pf_add)    ( es_out_t *, es_format_t * );
  73     int          (*pf_send)   ( es_out_t *, es_out_id_t *, block_t * );
  74     void         (*pf_del)    ( es_out_t *, es_out_id_t * );
  75     int          (*pf_control)( es_out_t *, int i_query, va_list );
  76
  77     es_out_sys_t    *p_sys;
  78 };
  79
  80 static inline es_out_id_t * es_out_Add( es_out_t *out, es_format_t *fmt )
  81 {
  82     return out->pf_add( out, fmt );
  83 }
  84 static inline void es_out_Del( es_out_t *out, es_out_id_t *id )
  85 {
  86     out->pf_del( out, id );
  87 }
  88 static inline int es_out_Send( es_out_t *out, es_out_id_t *id,
  89                                block_t *p_block )
  90 {
  91     return out->pf_send( out, id, p_block );
  92 }
  93
  94 static inline int es_out_vaControl( es_out_t *out, int i_query, va_list args )
  95 {
  96     return out->pf_control( out, i_query, args );
  97 }
  98 static inline int es_out_Control( es_out_t *out, int i_query, ... )
  99 {
 100     va_list args;
 101     int     i_result;
 102
 103     va_start( args, i_query );
 104     i_result = es_out_vaControl( out, i_query, args );
 105     va_end( args );
 106     return i_result;
 107 }
 108
 109 /**
 110  * @}
 111  */
 112
 113 #endif