2 * Copyright (c) 2002 Michael Niedermayer <michaelni@gmx.at>
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
31 static AVFilterBufferRef *get_video_buffer(AVFilterLink *link, int perms,
34 AVFilterBufferRef *picref =
35 ff_default_get_video_buffer(link, perms, w, h);
37 FFSWAP(uint8_t*, picref->data[1], picref->data[2]);
38 FFSWAP(int, picref->linesize[1], picref->linesize[2]);
43 static int filter_frame(AVFilterLink *link, AVFilterBufferRef *inpicref)
45 FFSWAP(uint8_t*, inpicref->data[1], inpicref->data[2]);
46 FFSWAP(int, inpicref->linesize[1], inpicref->linesize[2]);
48 return ff_filter_frame(link->dst->outputs[0], inpicref);
51 static int query_formats(AVFilterContext *ctx)
53 static const enum AVPixelFormat pix_fmts[] = {
54 AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVA420P,
55 AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVA444P,
56 AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUVJ440P,
57 AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVJ422P,
62 ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
66 static const AVFilterPad swapuv_inputs[] = {
69 .type = AVMEDIA_TYPE_VIDEO,
70 .get_video_buffer = get_video_buffer,
71 .filter_frame = filter_frame,
76 static const AVFilterPad swapuv_outputs[] = {
79 .type = AVMEDIA_TYPE_VIDEO,
84 AVFilter avfilter_vf_swapuv = {
86 .description = NULL_IF_CONFIG_SMALL("Swap U and V components."),
88 .query_formats = query_formats,
89 .inputs = swapuv_inputs,
90 .outputs = swapuv_outputs,