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ffmpeg-4.2.2/libavfilter/gblur.h 1.95 KB
aac5773f   hucm   功能基本完成,接口待打磨
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  /*
   * Copyright (c) 2011 Pascal Getreuer
   * Copyright (c) 2016 Paul B Mahol
   *
   * Redistribution and use in source and binary forms, with or without modification,
   * are permitted provided that the following conditions are met:
   *
   *  * Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *  * Redistributions in binary form must reproduce the above
   *    copyright notice, this list of conditions and the following
   *    disclaimer in the documentation and/or other materials provided
   *    with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   * HOLDER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifndef AVFILTER_GBLUR_H
  #define AVFILTER_GBLUR_H
  #include "avfilter.h"
  
  typedef struct GBlurContext {
      const AVClass *class;
  
      float sigma;
      float sigmaV;
      int steps;
      int planes;
  
      int depth;
      int planewidth[4];
      int planeheight[4];
      float *buffer;
      float boundaryscale;
      float boundaryscaleV;
      float postscale;
      float postscaleV;
      float nu;
      float nuV;
      int nb_planes;
      void (*horiz_slice)(float *buffer, int width, int height, int steps, float nu, float bscale);
  } GBlurContext;
  void ff_gblur_init(GBlurContext *s);
  void ff_gblur_init_x86(GBlurContext *s);
  #endif