| /* |
| * 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}}, |
| }; |