113 lines
3.4 KiB
C
113 lines
3.4 KiB
C
/*****************************************************************************
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* vlc_spu.h: spu_t definition and functions.
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*****************************************************************************
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* Copyright (C) 1999-2010 VLC authors and VideoLAN
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* Copyright (C) 2010 Laurent Aimar
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* $Id: d448d06f8c9f9c91d70239ff0d07cb5ceac06423 $
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*
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* Authors: Gildas Bazin <gbazin@videolan.org>
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* Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#ifndef VLC_SPU_H
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#define VLC_SPU_H 1
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#include <vlc_subpicture.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**********************************************************************
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* Base SPU structures
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**********************************************************************/
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/**
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* \defgroup spu Subpicture Unit
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* This module describes the programming interface for the subpicture unit.
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* It includes functions allowing to create/destroy an spu, and render
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* subpictures.
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* @{
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*/
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typedef struct spu_private_t spu_private_t;
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/* Default subpicture channel ID */
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#define SPU_DEFAULT_CHANNEL (1)
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/**
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* Subpicture unit descriptor
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*/
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struct spu_t
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{
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VLC_COMMON_MEMBERS
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spu_private_t *p;
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};
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VLC_API spu_t * spu_Create( vlc_object_t * );
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#define spu_Create(a) spu_Create(VLC_OBJECT(a))
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VLC_API void spu_Destroy( spu_t * );
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/**
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* This function sends a subpicture to the spu_t core.
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*
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* You cannot use the provided subpicture anymore. The spu_t core
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* will destroy it at its convenience.
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*/
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VLC_API void spu_PutSubpicture( spu_t *, subpicture_t * );
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/**
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* This function will return an unique subpicture containing the OSD and
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* subtitles visibles at the requested date.
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*
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* \param p_chroma_list is a list of supported chroma for the output (can be NULL)
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* \param p_fmt_dst is the format of the picture on which the return subpicture will be rendered.
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* \param p_fmt_src is the format of the original(source) video.
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*
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* The returned value if non NULL must be released by subpicture_Delete().
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*/
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VLC_API subpicture_t * spu_Render( spu_t *, const vlc_fourcc_t *p_chroma_list, const video_format_t *p_fmt_dst, const video_format_t *p_fmt_src, mtime_t render_subtitle_date, mtime_t render_osd_date, bool ignore_osd );
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/**
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* It registers a new SPU channel.
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*/
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VLC_API int spu_RegisterChannel( spu_t * );
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/**
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* It clears all subpictures associated to a SPU channel.
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*/
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VLC_API void spu_ClearChannel( spu_t *, int );
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/**
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* It changes the sub sources list
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*/
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VLC_API void spu_ChangeSources( spu_t *, const char * );
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/**
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* It changes the sub filters list
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*/
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VLC_API void spu_ChangeFilters( spu_t *, const char * );
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/** @}*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* VLC_SPU_H */
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