/*

  * 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
  */
 

 /**
  * @file
  * Video splitter
  */
 

 #include "avfilter.h"
 

 static void start_frame(AVFilterLink *inlink, AVFilterBufferRef *picref)

 {

     avfilter_start_frame(inlink->dst->outputs[0],

                          avfilter_ref_buffer(picref, ~AV_PERM_WRITE));

     avfilter_start_frame(inlink->dst->outputs[1],

                          avfilter_ref_buffer(picref, ~AV_PERM_WRITE));
 }
 

 static void draw_slice(AVFilterLink *inlink, int y, int h, int slice_dir)
 {
     avfilter_draw_slice(inlink->dst->outputs[0], y, h, slice_dir);
     avfilter_draw_slice(inlink->dst->outputs[1], y, h, slice_dir);
 }
 

 static void end_frame(AVFilterLink *inlink)

 {

     avfilter_end_frame(inlink->dst->outputs[0]);
     avfilter_end_frame(inlink->dst->outputs[1]);

     avfilter_unref_buffer(inlink->cur_buf);

 }
 

 AVFilter avfilter_vf_split = {

     .name      = "split",

     .description = NULL_IF_CONFIG_SMALL("Pass on the input to two outputs."),

 
     .inputs    = (AVFilterPad[]) {{ .name            = "default",
                                     .type            = AVMEDIA_TYPE_VIDEO,
                                     .get_video_buffer= avfilter_null_get_video_buffer,
                                     .start_frame     = start_frame,
                                     .draw_slice      = draw_slice,
                                     .end_frame       = end_frame, },
                                   { .name = NULL}},

     .outputs   = (AVFilterPad[]) {{ .name            = "output1",

                                     .type            = AVMEDIA_TYPE_VIDEO, },

                                   { .name            = "output2",

                                     .type            = AVMEDIA_TYPE_VIDEO, },
                                   { .name = NULL}},
 };