mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-28 20:53:54 +02:00
67 lines
2.5 KiB
C
67 lines
2.5 KiB
C
/*
|
|
* 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}},
|
|
};
|