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/*
* Copyright (c) 2007 Bobby Bingham
*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVFILTER_VIDEO_H
#define AVFILTER_VIDEO_H
#include "avfilter.h"
#include "filters.h"
/**
* An AVFilterPad array whose only entry has name "default"
* and is of type AVMEDIA_TYPE_VIDEO.
*/
extern const AVFilterPad ff_video_default_filterpad[1];
AVFrame *ff_default_get_video_buffer(AVFilterLink *link, int w, int h);
AVFrame *ff_default_get_video_buffer2(AVFilterLink *link, int w, int h, int align);
AVFrame *ff_null_get_video_buffer(AVFilterLink *link, int w, int h);
/**
* Request a picture buffer with a specific set of permissions.
*
* @param link the output link to the filter from which the buffer will
* be requested
* @param w the minimum width of the buffer to allocate
* @param h the minimum height of the buffer to allocate
* @return on success, an AVFrame owned by the caller, NULL on error
*/
AVFrame *ff_get_video_buffer(AVFilterLink *link, int w, int h);
/**
* Returns true if a pixel format is "regular YUV", which includes all pixel
* formats that are affected by YUV colorspace negotiation.
*/
int ff_fmt_is_regular_yuv(enum AVPixelFormat fmt);
/**
* Returns true if a YUV pixel format is forced full range (i.e. YUVJ).
*/
int ff_fmt_is_forced_full_range(enum AVPixelFormat fmt);
#endif /* AVFILTER_VIDEO_H */
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