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/*****************************************************************************
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* video.h: video filters
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*****************************************************************************
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* Copyright (C) 2010-2016 x264 project
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*
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* Authors: Steven Walters <[email protected]>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
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*
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* This program is also available under a commercial proprietary license.
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* For more information, contact us at [email protected].
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*****************************************************************************/
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#ifndef X264_FILTER_VIDEO_H
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#define X264_FILTER_VIDEO_H
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#include "input/input.h"
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#include "filters/filters.h"
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typedef struct cli_vid_filter_t cli_vid_filter_t;
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struct cli_vid_filter_t
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{
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/* name of the filter */
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const char *name;
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/* help: a short message on what the filter does and how to use it.
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* this should only be implemented by filters directly accessible by the user */
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void (*help)( int longhelp );
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/* init: initializes the filter given the input clip properties and parameter to adjust them as necessary
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* with the given options provided by the user.
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* returns 0 on success, nonzero on error. */
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int (*init)( hnd_t *handle, cli_vid_filter_t *filter, video_info_t *info, x264_param_t *param, char *opt_string );
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/* get_frame: given the storage for the output frame and desired frame number, generate the frame accordingly.
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* the image data returned by get_frame should be treated as const and not be altered.
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* returns 0 on success, nonzero on error. */
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int (*get_frame)( hnd_t handle, cli_pic_t *output, int frame );
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/* release_frame: frame is done being used and is signaled for cleanup.
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* returns 0 on succeess, nonzero on error. */
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int (*release_frame)( hnd_t handle, cli_pic_t *pic, int frame );
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/* free: run filter cleanup procedures. */
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void (*free)( hnd_t handle );
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/* next registered filter, unused by filters themselves */
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cli_vid_filter_t *next;
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};
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void x264_register_vid_filters( void );
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void x264_vid_filter_help( int longhelp );
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int x264_init_vid_filter( const char *name, hnd_t *handle, cli_vid_filter_t *filter,
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video_info_t *info, x264_param_t *param, char *opt_string );
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#endif
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