/usr/include/vlc/plugins/vlc_picture_fifo.h is in libvlccore-dev 2.2.7-1~deb8u1.
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* vlc_picture_fifo.h: picture fifo definitions
*****************************************************************************
* Copyright (C) 2009 VLC authors and VideoLAN
* $Id: 73d1b20c279f628cf94bc7cfc83b2548878bcc07 $
*
* Authors: Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
*
* 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_PICTURE_FIFO_H
#define VLC_PICTURE_FIFO_H 1
/**
* \file
* This file defines picture fifo structures and functions in vlc
*/
#include <vlc_picture.h>
/**
* Picture fifo handle
*
* It is thread safe (push/pop).
*/
typedef struct picture_fifo_t picture_fifo_t;
/**
* It creates an empty picture_fifo_t.
*/
VLC_API picture_fifo_t * picture_fifo_New( void ) VLC_USED;
/**
* It destroys a fifo created by picture_fifo_New.
*
* All pictures inside the fifo will be released by picture_Release.
*/
VLC_API void picture_fifo_Delete( picture_fifo_t * );
/**
* It retreives a picture_t from the fifo.
*
* If the fifo is empty, it return NULL without waiting.
*/
VLC_API picture_t * picture_fifo_Pop( picture_fifo_t * ) VLC_USED;
/**
* It returns the first picture_t pointer from the fifo but does not
* remove it. The picture returned has been hold for you so you
* must call picture_Release on it.
*
* If the fifo is empty, it return NULL without waiting.
*/
VLC_API picture_t * picture_fifo_Peek( picture_fifo_t * ) VLC_USED;
/**
* It saves a picture_t into the fifo.
*/
VLC_API void picture_fifo_Push( picture_fifo_t *, picture_t * );
/**
* It release all picture inside the fifo that have a lower or equal date
* if flush_before or higher or equal to if not flush_before than the given one.
*
* All pictures inside the fifo will be released by picture_Release.
*/
VLC_API void picture_fifo_Flush( picture_fifo_t *, mtime_t date, bool flush_before );
/**
* It applies a delta on all the picture timestamp.
*/
VLC_API void picture_fifo_OffsetDate( picture_fifo_t *, mtime_t delta );
#endif /* VLC_PICTURE_FIFO_H */
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