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x264 source for verification 2026-05-22

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admin
2026-05-22 16:45:04 +08:00
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/*****************************************************************************
* video.h: video filters
*****************************************************************************
* Copyright (C) 2010-2025 x264 project
*
* Authors: Steven Walters <kemuri9@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
*
* This program is also available under a commercial proprietary license.
* For more information, contact us at licensing@x264.com.
*****************************************************************************/
#ifndef X264_FILTER_VIDEO_H
#define X264_FILTER_VIDEO_H
#include "input/input.h"
#include "filters/filters.h"
typedef struct cli_vid_filter_t cli_vid_filter_t;
struct cli_vid_filter_t
{
/* name of the filter */
const char *name;
/* help: a short message on what the filter does and how to use it.
* this should only be implemented by filters directly accessible by the user */
void (*help)( int longhelp );
/* init: initializes the filter given the input clip properties and parameter to adjust them as necessary
* with the given options provided by the user.
* returns 0 on success, nonzero on error. */
int (*init)( hnd_t *handle, cli_vid_filter_t *filter, video_info_t *info, x264_param_t *param, char *opt_string );
/* get_frame: given the storage for the output frame and desired frame number, generate the frame accordingly.
* the image data returned by get_frame should be treated as const and not be altered.
* returns 0 on success, nonzero on error. */
int (*get_frame)( hnd_t handle, cli_pic_t *output, int frame );
/* release_frame: frame is done being used and is signaled for cleanup.
* returns 0 on succeess, nonzero on error. */
int (*release_frame)( hnd_t handle, cli_pic_t *pic, int frame );
/* free: run filter cleanup procedures. */
void (*free)( hnd_t handle );
/* next registered filter, unused by filters themselves */
cli_vid_filter_t *next;
};
void x264_register_vid_filters( void );
void x264_vid_filter_help( int longhelp );
int x264_init_vid_filter( const char *name, hnd_t *handle, cli_vid_filter_t *filter,
video_info_t *info, x264_param_t *param, char *opt_string );
#endif