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/*
* Copyright (c) 2007 Bobby Bingham
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; 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}},
};
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