vlc_vout.h

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/*****************************************************************************
 * vlc_vout.h: common video definitions
 *****************************************************************************
 * Copyright (C) 1999 - 2008 VLC authors and VideoLAN
 * $Id: 2d6c180bfc1dcdf2d57277a44508dcda5d8f17de $
 *
 * Authors: Vincent Seguin <seguin@via.ecp.fr>
 *          Samuel Hocevar <sam@via.ecp.fr>
 *          Olivier Aubert <oaubert 47 videolan d07 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_VOUT_H_
#define VLC_VOUT_H_ 1

#include <vlc_picture.h>
#include <vlc_filter.h>
#include <vlc_subpicture.h>

/*****************************************************************************
 * Prototypes
 *****************************************************************************/

typedef struct {
    vout_thread_t        *vout;
    vlc_object_t         *input;
    bool                 change_fmt;
    const video_format_t *fmt;
    unsigned             dpb_size;
} vout_configuration_t;

typedef struct vout_thread_sys_t vout_thread_sys_t;

struct vout_thread_t {
    VLC_COMMON_MEMBERS

    /* Private vout_thread data */
    vout_thread_sys_t *p;
};

/* Alignment flags */
#define VOUT_ALIGN_LEFT         0x0001
#define VOUT_ALIGN_RIGHT        0x0002
#define VOUT_ALIGN_HMASK        0x0003
#define VOUT_ALIGN_TOP          0x0004
#define VOUT_ALIGN_BOTTOM       0x0008
#define VOUT_ALIGN_VMASK        0x000C

/*****************************************************************************
 * Prototypes
 *****************************************************************************/

VLC_API vout_thread_t * vout_Request( vlc_object_t *object, const vout_configuration_t *cfg );
#define vout_Request(a,b) vout_Request(VLC_OBJECT(a),b)

VLC_API void vout_Close( vout_thread_t *p_vout );

static inline void vout_CloseAndRelease( vout_thread_t *p_vout )
{
    vout_Close( p_vout );
    vlc_object_release( p_vout );
}

VLC_API int vout_GetSnapshot( vout_thread_t *p_vout,
                              block_t **pp_image, picture_t **pp_picture,
                              video_format_t *p_fmt,
                              const char *psz_format, mtime_t i_timeout );

/* */
VLC_API picture_t * vout_GetPicture( vout_thread_t * );
VLC_API void vout_PutPicture( vout_thread_t *, picture_t * );

VLC_API void vout_HoldPicture( vout_thread_t *, picture_t * );
VLC_API void vout_ReleasePicture( vout_thread_t *, picture_t * );

/* */
VLC_API void vout_PutSubpicture( vout_thread_t *, subpicture_t * );
VLC_API int vout_RegisterSubpictureChannel( vout_thread_t * );
VLC_API void vout_FlushSubpictureChannel( vout_thread_t *, int );

VLC_API void vout_EnableFilter( vout_thread_t *, const char *,bool , bool  );

#endif /* _VLC_VIDEO_H */