/*****************************************************************************
 * input_decoder.h: Input decoder functions
 *****************************************************************************
 * Copyright (C) 1998-2008 the VideoLAN team
 * Copyright (C) 2008 Laurent Aimar
 * $Id: eeac4b04655ca5dd03dd31c5be1c662803758d0e $
 *
 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
 *
 * 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.
 *****************************************************************************/

#if defined(__PLUGIN__) || defined(__BUILTIN__) || !defined(__LIBVLC__)
# error This header file can only be included from LibVLC.
#endif

#ifndef _INPUT_DECODER_H
#define _INPUT_DECODER_H 1

#include <vlc_common.h>
#include <vlc_codec.h>

#define BLOCK_FLAG_CORE_FLUSH (1 <<BLOCK_FLAG_CORE_PRIVATE_SHIFT)

/**
 * This function changes the pause state.
 * The date parameter MUST hold the exact date at wich the change has been
 * done for proper vout/aout pausing.
 */
void input_DecoderChangePause( decoder_t *, bool b_paused, mtime_t i_date );

/**
 * This function changes the delay.
 */
void input_DecoderChangeDelay( decoder_t *, mtime_t i_delay );

/**
 * This function warn the decoder about a discontinuity and allow flushing
 * if requested.
 */
void input_DecoderDiscontinuity( decoder_t *, bool b_flush );

/**
 * This function returns true if the decoder fifo is empty and false otherwise.
 */
bool input_DecoderEmpty( decoder_t * );

/**
 * This function activates the request closed caption channel.
 */
int input_DecoderSetCcState( decoder_t *, bool b_decode, int i_channel );

/**
 * This function returns an error if the requested channel does not exist and
 * set pb_decode to the channel status(active or not) otherwise.
 */
int input_DecoderGetCcState( decoder_t *, bool *pb_decode, int i_channel );

/**
 * This function set each pb_present entry to true if the corresponding channel
 * exists or false otherwise.
 */
void input_DecoderIsCcPresent( decoder_t *, bool pb_present[4] );

#endif
