vlc_vout_osd.h 3.21 KB
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/*****************************************************************************
 * vlc_vout_osd.h: vout OSD
 *****************************************************************************
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 * Copyright (C) 1999-2010 VLC authors and VideoLAN
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 * Copyright (C) 2004-2005 M2X
 * $Id$
 *
 * Authors: Jean-Paul Saman <jpsaman #_at_# m2x dot nl>
 *          Gildas Bazin <gbazin@videolan.org>
 *
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 * 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
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 * (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
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * 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
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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 *****************************************************************************/

#ifndef VLC_VOUT_OSD_H
#define VLC_VOUT_OSD_H 1

#ifdef __cplusplus
extern "C" {
#endif

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/**
 * \defgroup osd On-screen display
 * \ingroup spu
 * @{
 * \file
 * Overlay text and widgets
 */

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//* Default subpicture channel ID */
#define SPU_DEFAULT_CHANNEL (1)

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/**
 * OSD menu position and picture type defines
 */
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enum
{
    /* Icons */
    OSD_PLAY_ICON = 1,
    OSD_PAUSE_ICON,
    OSD_SPEAKER_ICON,
    OSD_MUTE_ICON,
    /* Sliders */
    OSD_HOR_SLIDER,
    OSD_VERT_SLIDER,
};
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VLC_API int vout_OSDEpg( vout_thread_t *, input_item_t * );
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/**
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 * \brief Write an informative message if the OSD option is enabled.
 * \param vout The vout on which the message will be displayed
 * \param channel Subpicture channel
 * \param position Position of the text
 * \param duration Duration of the text being displayed
 * \param text Text to be displayed
 */
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VLC_API void vout_OSDText( vout_thread_t *vout, int channel, int position, mtime_t duration, const char *text );
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/**
 * \brief Write an informative message at the default location,
 *        for the default duration and only if the OSD option is enabled.
 * \param vout The vout on which the message will be displayed
 * \param channel Subpicture channel
 * \param format printf style formatting
 *
 * Provided for convenience.
 */
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VLC_API void vout_OSDMessage( vout_thread_t *, int, const char *, ... ) VLC_FORMAT( 3, 4 );
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/**
 * Display a slider on the video output.
 * \param p_this    The object that called the function.
 * \param i_channel Subpicture channel
 * \param i_postion Current position in the slider
 * \param i_type    Types are: OSD_HOR_SLIDER and OSD_VERT_SLIDER.
 */
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VLC_API void vout_OSDSlider( vout_thread_t *, int, int , short );
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/**
 * Display an Icon on the video output.
 * \param p_this    The object that called the function.
 * \param i_channel Subpicture channel
 * \param i_type    Types are: OSD_PLAY_ICON, OSD_PAUSE_ICON, OSD_SPEAKER_ICON, OSD_MUTE_ICON
 */
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VLC_API void vout_OSDIcon( vout_thread_t *, int, short );
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/** @} */
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#ifdef __cplusplus
}
#endif

#endif /* VLC_VOUT_OSD_H */