mirror of https://code.videolan.org/videolan/vlc
131 lines
4.7 KiB
C
131 lines
4.7 KiB
C
/*****************************************************************************
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* vlc_es_out.h: es_out (demuxer output) descriptor, queries and methods
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*****************************************************************************
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* Copyright (C) 1999-2004 the VideoLAN team
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* $Id$
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*
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* Authors: Laurent Aimar <fenrir@via.ecp.fr>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#ifndef _VLC_ES_OUT_H
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#define _VLC_ES_OUT_H 1
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/**
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* \defgroup es out Es Out
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* @{
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*/
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enum es_out_mode_e
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{
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ES_OUT_MODE_NONE, /* don't select anything */
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ES_OUT_MODE_ALL, /* eg for stream output */
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ES_OUT_MODE_AUTO, /* best audio/video or for input follow audio-track, sub-track */
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ES_OUT_MODE_PARTIAL /* select programs given after --programs */
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};
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enum es_out_query_e
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{
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/* activate apply of mode */
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ES_OUT_SET_ACTIVE, /* arg1= vlc_bool_t */
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/* see if mode is currently aplied or not */
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ES_OUT_GET_ACTIVE, /* arg1= vlc_bool_t* */
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/* set/get mode */
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ES_OUT_SET_MODE, /* arg1= int */
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ES_OUT_GET_MODE, /* arg2= int* */
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/* set es selected for the es category(audio/video/spu) */
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ES_OUT_SET_ES, /* arg1= es_out_id_t* */
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/* force selection/unselection of the ES (bypass current mode)*/
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ES_OUT_SET_ES_STATE,/* arg1= es_out_id_t* arg2=vlc_bool_t */
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ES_OUT_GET_ES_STATE,/* arg1= es_out_id_t* arg2=vlc_bool_t* */
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/* */
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ES_OUT_SET_GROUP, /* arg1= int */
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ES_OUT_GET_GROUP, /* arg1= int* */
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/* PCR handling, dts/pts will be automatically computed using thoses PCR
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* XXX: SET_PCR(_GROUP) is in charge of the pace control. They will wait to slow
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* down the demuxer to read at the right speed.
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* XXX: if you want PREROLL just call RESET_PCR and ES_OUT_SET_NEXT_DISPLAY_TIME and send
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* data to the decoder *without* calling SET_PCR until preroll is finished.
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*/
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ES_OUT_SET_PCR, /* arg1=int64_t i_pcr(microsecond!) (using default group 0)*/
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ES_OUT_SET_GROUP_PCR, /* arg1= int i_group, arg2=int64_t i_pcr(microsecond!)*/
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ES_OUT_RESET_PCR, /* no arg */
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/* Timestamp handling, convert an input timestamp to a global clock one.
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* (shouldn't have to be used by input plugins directly) */
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ES_OUT_GET_TS, /* arg1=int64_t i_ts(microsecond!) (using default group 0), arg2=int64_t* converted i_ts */
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/* Try not to use this one as it is a bit hacky */
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ES_OUT_SET_FMT, /* arg1= es_out_id_t* arg2=es_format_t* */
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/* Allow preroll of data (data with dts/pts < i_pts for one ES will be decoded but not displayed */
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ES_OUT_SET_NEXT_DISPLAY_TIME, /* arg1=es_out_id_t* arg2=int64_t i_pts(microsecond) */
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/* Set meta data for group (dynamic) */
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ES_OUT_SET_GROUP_META, /* arg1=int i_group arg2=vlc_meta_t */
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/* */
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ES_OUT_DEL_GROUP /* arg1=int i_group */
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};
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struct es_out_t
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{
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es_out_id_t *(*pf_add) ( es_out_t *, es_format_t * );
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int (*pf_send) ( es_out_t *, es_out_id_t *, block_t * );
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void (*pf_del) ( es_out_t *, es_out_id_t * );
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int (*pf_control)( es_out_t *, int i_query, va_list );
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es_out_sys_t *p_sys;
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};
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static inline es_out_id_t * es_out_Add( es_out_t *out, es_format_t *fmt )
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{
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return out->pf_add( out, fmt );
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}
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static inline void es_out_Del( es_out_t *out, es_out_id_t *id )
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{
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out->pf_del( out, id );
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}
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static inline int es_out_Send( es_out_t *out, es_out_id_t *id,
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block_t *p_block )
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{
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return out->pf_send( out, id, p_block );
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}
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static inline int es_out_vaControl( es_out_t *out, int i_query, va_list args )
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{
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return out->pf_control( out, i_query, args );
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}
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static inline int es_out_Control( es_out_t *out, int i_query, ... )
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{
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va_list args;
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int i_result;
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va_start( args, i_query );
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i_result = es_out_vaControl( out, i_query, args );
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va_end( args );
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return i_result;
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}
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/**
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* @}
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*/
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#endif
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