/* * 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}},};