2010-10-18 21:29:37 +00:00
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/*
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2010-11-28 10:22:58 +00:00
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* Copyright (c) 2010 Stefano Sabatini
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* Copyright (c) 2008 Vitor Sessak
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2010-10-18 21:29:37 +00:00
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* transposition filter
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* Based on MPlayer libmpcodecs/vf_rotate.c.
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*/
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2012-08-06 13:49:32 +00:00
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#include <stdio.h>
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2011-02-07 13:37:08 +00:00
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#include "libavutil/imgutils.h"
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2012-08-06 13:49:32 +00:00
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#include "libavutil/internal.h"
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2014-03-25 07:39:24 +00:00
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#include "libavutil/intreadwrite.h"
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2013-02-25 20:21:29 +00:00
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#include "libavutil/opt.h"
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2014-03-25 07:39:24 +00:00
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#include "libavutil/pixdesc.h"
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2010-10-18 21:29:37 +00:00
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#include "avfilter.h"
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2012-05-30 08:12:55 +00:00
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#include "formats.h"
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2012-06-12 18:12:42 +00:00
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#include "internal.h"
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2012-05-30 09:20:32 +00:00
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#include "video.h"
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2010-10-18 21:29:37 +00:00
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2012-09-30 11:46:01 +00:00
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typedef enum {
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TRANSPOSE_PT_TYPE_NONE,
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TRANSPOSE_PT_TYPE_LANDSCAPE,
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TRANSPOSE_PT_TYPE_PORTRAIT,
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} PassthroughType;
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2013-02-25 20:21:29 +00:00
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enum TransposeDir {
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TRANSPOSE_CCLOCK_FLIP,
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TRANSPOSE_CLOCK,
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TRANSPOSE_CCLOCK,
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TRANSPOSE_CLOCK_FLIP,
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};
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2014-04-11 09:54:15 +00:00
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typedef struct TransContext {
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2012-09-30 11:03:08 +00:00
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const AVClass *class;
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2010-10-18 21:29:37 +00:00
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int hsub, vsub;
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int pixsteps[4];
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2015-03-23 18:31:17 +00:00
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int passthrough; ///< PassthroughType, landscape passthrough mode enabled
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int dir; ///< TransposeDir
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2010-10-18 21:29:37 +00:00
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} TransContext;
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static int query_formats(AVFilterContext *ctx)
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{
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2013-02-12 13:45:23 +00:00
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AVFilterFormats *pix_fmts = NULL;
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int fmt;
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2014-05-27 15:43:03 +00:00
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for (fmt = 0; av_pix_fmt_desc_get(fmt); fmt++) {
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2013-02-12 13:45:23 +00:00
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(fmt);
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2013-05-15 09:23:14 +00:00
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if (!(desc->flags & AV_PIX_FMT_FLAG_PAL ||
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desc->flags & AV_PIX_FMT_FLAG_HWACCEL ||
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desc->flags & AV_PIX_FMT_FLAG_BITSTREAM ||
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2013-02-12 13:45:23 +00:00
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desc->log2_chroma_w != desc->log2_chroma_h))
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ff_add_format(&pix_fmts, fmt);
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}
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2015-04-03 17:55:18 +00:00
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return ff_set_common_formats(ctx, pix_fmts);
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2010-10-18 21:29:37 +00:00
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}
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static int config_props_output(AVFilterLink *outlink)
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{
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AVFilterContext *ctx = outlink->src;
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TransContext *trans = ctx->priv;
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AVFilterLink *inlink = ctx->inputs[0];
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2012-10-06 11:29:37 +00:00
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const AVPixFmtDescriptor *desc_out = av_pix_fmt_desc_get(outlink->format);
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const AVPixFmtDescriptor *desc_in = av_pix_fmt_desc_get(inlink->format);
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2010-10-18 21:29:37 +00:00
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2012-09-01 09:14:27 +00:00
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if (trans->dir&4) {
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2012-09-30 11:46:01 +00:00
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av_log(ctx, AV_LOG_WARNING,
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"dir values greater than 3 are deprecated, use the passthrough option instead\n");
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2012-09-01 09:14:27 +00:00
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trans->dir &= 3;
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2012-09-30 11:46:01 +00:00
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trans->passthrough = TRANSPOSE_PT_TYPE_LANDSCAPE;
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}
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if ((inlink->w >= inlink->h && trans->passthrough == TRANSPOSE_PT_TYPE_LANDSCAPE) ||
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(inlink->w <= inlink->h && trans->passthrough == TRANSPOSE_PT_TYPE_PORTRAIT)) {
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av_log(ctx, AV_LOG_VERBOSE,
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"w:%d h:%d -> w:%d h:%d (passthrough mode)\n",
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inlink->w, inlink->h, inlink->w, inlink->h);
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return 0;
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} else {
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trans->passthrough = TRANSPOSE_PT_TYPE_NONE;
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2012-09-01 09:14:27 +00:00
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}
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2012-10-06 11:29:37 +00:00
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trans->hsub = desc_in->log2_chroma_w;
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trans->vsub = desc_in->log2_chroma_h;
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2010-10-18 21:29:37 +00:00
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2012-10-06 11:29:37 +00:00
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av_image_fill_max_pixsteps(trans->pixsteps, NULL, desc_out);
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2010-10-18 21:29:37 +00:00
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outlink->w = inlink->h;
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outlink->h = inlink->w;
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2014-03-25 07:39:24 +00:00
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if (inlink->sample_aspect_ratio.num)
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outlink->sample_aspect_ratio = av_div_q((AVRational) { 1, 1 },
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inlink->sample_aspect_ratio);
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else
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2011-01-31 17:51:47 +00:00
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outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
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2014-03-25 07:39:24 +00:00
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av_log(ctx, AV_LOG_VERBOSE,
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"w:%d h:%d dir:%d -> w:%d h:%d rotation:%s vflip:%d\n",
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2010-10-18 21:29:37 +00:00
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inlink->w, inlink->h, trans->dir, outlink->w, outlink->h,
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trans->dir == 1 || trans->dir == 3 ? "clockwise" : "counterclockwise",
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trans->dir == 0 || trans->dir == 3);
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return 0;
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}
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2013-03-10 00:30:30 +00:00
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static AVFrame *get_video_buffer(AVFilterLink *inlink, int w, int h)
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2012-09-01 09:14:27 +00:00
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{
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TransContext *trans = inlink->dst->priv;
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return trans->passthrough ?
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2013-03-10 00:30:30 +00:00
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ff_null_get_video_buffer (inlink, w, h) :
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ff_default_get_video_buffer(inlink, w, h);
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2012-09-01 09:14:27 +00:00
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}
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2013-08-14 19:01:06 +00:00
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typedef struct ThreadData {
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AVFrame *in, *out;
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} ThreadData;
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static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr,
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int nb_jobs)
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2010-10-18 21:29:37 +00:00
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{
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2013-08-14 19:01:06 +00:00
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TransContext *trans = ctx->priv;
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ThreadData *td = arg;
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AVFrame *out = td->out;
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AVFrame *in = td->in;
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2012-11-28 20:46:23 +00:00
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int plane;
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2010-10-18 21:29:37 +00:00
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2012-11-28 20:46:23 +00:00
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for (plane = 0; out->data[plane]; plane++) {
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2014-03-25 07:39:24 +00:00
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int hsub = plane == 1 || plane == 2 ? trans->hsub : 0;
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int vsub = plane == 1 || plane == 2 ? trans->vsub : 0;
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2010-10-18 21:29:37 +00:00
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int pixstep = trans->pixsteps[plane];
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2015-06-30 14:01:15 +00:00
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int inh = FF_CEIL_RSHIFT(in->height, vsub);
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2014-03-25 18:17:38 +00:00
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int outw = FF_CEIL_RSHIFT(out->width, hsub);
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int outh = FF_CEIL_RSHIFT(out->height, vsub);
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int start = (outh * jobnr ) / nb_jobs;
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int end = (outh * (jobnr+1)) / nb_jobs;
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2012-11-28 20:46:23 +00:00
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uint8_t *dst, *src;
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int dstlinesize, srclinesize;
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2010-10-18 21:29:37 +00:00
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int x, y;
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2012-11-28 20:46:23 +00:00
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dstlinesize = out->linesize[plane];
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2014-03-25 18:17:38 +00:00
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dst = out->data[plane] + start * dstlinesize;
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2014-03-25 07:39:24 +00:00
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src = in->data[plane];
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2012-11-28 20:46:23 +00:00
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srclinesize = in->linesize[plane];
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2010-10-18 21:29:37 +00:00
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2014-03-25 07:39:24 +00:00
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if (trans->dir & 1) {
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src += in->linesize[plane] * (inh - 1);
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2012-11-28 20:46:23 +00:00
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srclinesize *= -1;
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2010-10-18 21:29:37 +00:00
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}
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2014-03-25 07:39:24 +00:00
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if (trans->dir & 2) {
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2014-03-25 18:17:38 +00:00
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dst = out->data[plane] + dstlinesize * (outh - start - 1);
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2012-11-28 20:46:23 +00:00
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dstlinesize *= -1;
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2010-10-18 21:29:37 +00:00
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}
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2013-09-11 14:56:46 +00:00
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switch (pixstep) {
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case 1:
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for (y = start; y < end; y++, dst += dstlinesize)
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2010-10-18 21:29:37 +00:00
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for (x = 0; x < outw; x++)
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2014-03-25 07:39:24 +00:00
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dst[x] = src[x * srclinesize + y];
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2013-09-11 14:56:46 +00:00
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break;
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case 2:
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for (y = start; y < end; y++, dst += dstlinesize) {
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2010-10-18 21:29:37 +00:00
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for (x = 0; x < outw; x++)
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2014-03-25 07:39:24 +00:00
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*((uint16_t *)(dst + 2 * x)) =
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*((uint16_t *)(src + x * srclinesize + y * 2));
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2013-09-11 14:56:46 +00:00
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}
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break;
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case 3:
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for (y = start; y < end; y++, dst += dstlinesize) {
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2010-10-18 21:29:37 +00:00
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for (x = 0; x < outw; x++) {
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2014-03-25 07:39:24 +00:00
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int32_t v = AV_RB24(src + x * srclinesize + y * 3);
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AV_WB24(dst + 3 * x, v);
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2010-10-18 21:29:37 +00:00
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}
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2013-09-11 14:56:46 +00:00
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}
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break;
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case 4:
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for (y = start; y < end; y++, dst += dstlinesize) {
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2010-10-18 21:29:37 +00:00
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for (x = 0; x < outw; x++)
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2014-03-25 07:39:24 +00:00
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*((uint32_t *)(dst + 4 * x)) =
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*((uint32_t *)(src + x * srclinesize + y * 4));
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2013-09-11 14:56:46 +00:00
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}
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break;
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case 6:
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for (y = start; y < end; y++, dst += dstlinesize) {
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2013-02-12 13:45:23 +00:00
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for (x = 0; x < outw; x++) {
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2014-03-25 18:17:38 +00:00
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int64_t v = AV_RB48(src + x * srclinesize + y*6);
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2013-02-12 13:45:23 +00:00
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AV_WB48(dst + 6*x, v);
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}
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2013-09-11 14:56:46 +00:00
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}
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break;
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case 8:
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for (y = start; y < end; y++, dst += dstlinesize) {
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2013-02-12 13:45:23 +00:00
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for (x = 0; x < outw; x++)
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2014-03-25 18:17:38 +00:00
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*((uint64_t *)(dst + 8*x)) = *((uint64_t *)(src + x * srclinesize + y*8));
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2010-10-18 21:29:37 +00:00
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}
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2013-09-11 14:56:46 +00:00
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break;
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2010-10-18 21:29:37 +00:00
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}
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}
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2013-08-14 19:01:06 +00:00
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return 0;
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}
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static int filter_frame(AVFilterLink *inlink, AVFrame *in)
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{
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AVFilterContext *ctx = inlink->dst;
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TransContext *trans = ctx->priv;
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AVFilterLink *outlink = ctx->outputs[0];
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ThreadData td;
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AVFrame *out;
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if (trans->passthrough)
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return ff_filter_frame(outlink, in);
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out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
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if (!out) {
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av_frame_free(&in);
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return AVERROR(ENOMEM);
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}
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2013-08-14 21:34:27 +00:00
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av_frame_copy_props(out, in);
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2013-08-14 19:01:06 +00:00
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if (in->sample_aspect_ratio.num == 0) {
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out->sample_aspect_ratio = in->sample_aspect_ratio;
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} else {
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out->sample_aspect_ratio.num = in->sample_aspect_ratio.den;
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out->sample_aspect_ratio.den = in->sample_aspect_ratio.num;
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}
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td.in = in, td.out = out;
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ctx->internal->execute(ctx, filter_slice, &td, NULL, FFMIN(outlink->h, ctx->graph->nb_threads));
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2012-11-28 07:41:07 +00:00
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av_frame_free(&in);
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2012-11-28 20:46:23 +00:00
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return ff_filter_frame(outlink, out);
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2012-09-01 09:14:27 +00:00
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}
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2011-07-29 18:19:04 +00:00
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2013-02-25 20:21:29 +00:00
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#define OFFSET(x) offsetof(TransContext, x)
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2013-04-10 22:32:50 +00:00
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#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
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static const AVOption transpose_options[] = {
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2013-04-27 18:38:32 +00:00
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{ "dir", "set transpose direction", OFFSET(dir), AV_OPT_TYPE_INT, { .i64 = TRANSPOSE_CCLOCK_FLIP }, 0, 7, FLAGS, "dir" },
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{ "cclock_flip", "rotate counter-clockwise with vertical flip", 0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_CCLOCK_FLIP }, .unit = "dir" },
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{ "clock", "rotate clockwise", 0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_CLOCK }, .unit = "dir" },
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{ "cclock", "rotate counter-clockwise", 0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_CCLOCK }, .unit = "dir" },
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{ "clock_flip", "rotate clockwise with vertical flip", 0, AV_OPT_TYPE_CONST, { .i64 = TRANSPOSE_CLOCK_FLIP }, .unit = "dir" },
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2013-04-10 22:32:50 +00:00
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{ "passthrough", "do not apply transposition if the input matches the specified geometry",
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OFFSET(passthrough), AV_OPT_TYPE_INT, {.i64=TRANSPOSE_PT_TYPE_NONE}, 0, INT_MAX, FLAGS, "passthrough" },
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2013-04-27 17:30:19 +00:00
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{ "none", "always apply transposition", 0, AV_OPT_TYPE_CONST, {.i64=TRANSPOSE_PT_TYPE_NONE}, INT_MIN, INT_MAX, FLAGS, "passthrough" },
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{ "portrait", "preserve portrait geometry", 0, AV_OPT_TYPE_CONST, {.i64=TRANSPOSE_PT_TYPE_PORTRAIT}, INT_MIN, INT_MAX, FLAGS, "passthrough" },
|
|
|
|
{ "landscape", "preserve landscape geometry", 0, AV_OPT_TYPE_CONST, {.i64=TRANSPOSE_PT_TYPE_LANDSCAPE}, INT_MIN, INT_MAX, FLAGS, "passthrough" },
|
2013-04-10 22:32:50 +00:00
|
|
|
|
2013-09-07 12:13:50 +00:00
|
|
|
{ NULL }
|
2013-02-25 20:21:29 +00:00
|
|
|
};
|
|
|
|
|
2013-04-10 22:32:50 +00:00
|
|
|
AVFILTER_DEFINE_CLASS(transpose);
|
2013-02-25 20:21:29 +00:00
|
|
|
|
2012-07-24 13:14:01 +00:00
|
|
|
static const AVFilterPad avfilter_vf_transpose_inputs[] = {
|
|
|
|
{
|
2014-03-25 07:39:24 +00:00
|
|
|
.name = "default",
|
|
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
2013-09-07 12:13:50 +00:00
|
|
|
.get_video_buffer = get_video_buffer,
|
2012-11-27 06:49:45 +00:00
|
|
|
.filter_frame = filter_frame,
|
2012-07-24 13:14:01 +00:00
|
|
|
},
|
|
|
|
{ NULL }
|
|
|
|
};
|
|
|
|
|
|
|
|
static const AVFilterPad avfilter_vf_transpose_outputs[] = {
|
|
|
|
{
|
|
|
|
.name = "default",
|
|
|
|
.config_props = config_props_output,
|
|
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
|
|
},
|
|
|
|
{ NULL }
|
|
|
|
};
|
|
|
|
|
2013-10-28 06:44:24 +00:00
|
|
|
AVFilter ff_vf_transpose = {
|
2013-09-07 12:13:50 +00:00
|
|
|
.name = "transpose",
|
|
|
|
.description = NULL_IF_CONFIG_SMALL("Transpose input video."),
|
|
|
|
.priv_size = sizeof(TransContext),
|
|
|
|
.priv_class = &transpose_class,
|
2010-10-18 21:29:37 +00:00
|
|
|
.query_formats = query_formats,
|
2013-09-07 12:13:50 +00:00
|
|
|
.inputs = avfilter_vf_transpose_inputs,
|
|
|
|
.outputs = avfilter_vf_transpose_outputs,
|
|
|
|
.flags = AVFILTER_FLAG_SLICE_THREADS,
|
2010-10-18 21:29:37 +00:00
|
|
|
};
|