mirror of
https://github.com/FFmpeg/FFmpeg.git
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avfilter/vf_phase: add >8 bit support
This commit is contained in:
Paul B Mahol
parent
732d77dc50
commit
314a783bb8
183
libavfilter/phase_template.c
Normal file
183
libavfilter/phase_template.c
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@ -0,0 +1,183 @@
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/*
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* Copyright (c) 2004 Ville Saari
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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 General Public
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* License as published by the Free Software Foundation; either
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* version 2 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* 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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#include "libavutil/avassert.h"
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#include "avfilter.h"
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#include "formats.h"
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#include "internal.h"
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#include "video.h"
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#undef pixel
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#undef accumulator
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#if DEPTH == 8
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#define pixel uint8_t
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#define accumulator int
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#else
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#define pixel uint16_t
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#define accumulator int64_t
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#endif
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#define fn3(a,b) a##_##b
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#define fn2(a,b) fn3(a,b)
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#define fn(a) fn2(a, DEPTH)
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/*
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* This macro interpolates the value of both fields at a point halfway
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* between lines and takes the squared difference. In field resolution
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* the point is a quarter pixel below a line in one field and a quarter
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* pixel above a line in other.
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*
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* (The result is actually multiplied by 25)
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*/
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#define DIFF(a, as, b, bs) ((t) = ((*(a) - (b)[bs]) << 2) + (a)[(as) << 1] - (b)[-(bs)], (t) * (t))
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/*
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* Find which field combination has the smallest average squared difference
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* between the fields.
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*/
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static enum PhaseMode fn(analyze_plane)(void *ctx, enum PhaseMode mode, AVFrame *old, AVFrame *new)
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{
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double bdiff, tdiff, pdiff;
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if (mode == AUTO) {
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mode = new->interlaced_frame ? new->top_field_first ?
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TOP_FIRST : BOTTOM_FIRST : PROGRESSIVE;
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} else if (mode == AUTO_ANALYZE) {
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mode = new->interlaced_frame ? new->top_field_first ?
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TOP_FIRST_ANALYZE : BOTTOM_FIRST_ANALYZE : FULL_ANALYZE;
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}
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if (mode <= BOTTOM_FIRST) {
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bdiff = pdiff = tdiff = 65536.0;
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} else {
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const double factor = 1. / (25. * (1 << (DEPTH - 8)) * (1 << (DEPTH - 8)));
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const int ns = new->linesize[0] / sizeof(pixel);
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const int os = old->linesize[0] / sizeof(pixel);
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const pixel *nptr = (pixel *)new->data[0];
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const pixel *optr = (pixel *)old->data[0];
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const int h = new->height;
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const int w = new->width;
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accumulator bdif, tdif, pdif;
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double scale;
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int top = 0, t;
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const pixel *rend, *end = nptr + (h - 2) * ns;
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bdiff = pdiff = tdiff = 0.0;
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nptr += ns;
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optr += os;
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while (nptr < end) {
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pdif = tdif = bdif = 0;
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switch (mode) {
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case TOP_FIRST_ANALYZE:
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if (top) {
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for (rend = nptr + w; nptr < rend; nptr++, optr++) {
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pdif += DIFF(nptr, ns, nptr, ns);
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tdif += DIFF(nptr, ns, optr, os);
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}
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} else {
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for (rend = nptr + w; nptr < rend; nptr++, optr++) {
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pdif += DIFF(nptr, ns, nptr, ns);
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tdif += DIFF(optr, os, nptr, ns);
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}
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}
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break;
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case BOTTOM_FIRST_ANALYZE:
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if (top) {
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for (rend = nptr + w; nptr < rend; nptr++, optr++) {
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pdif += DIFF(nptr, ns, nptr, ns);
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bdif += DIFF(optr, os, nptr, ns);
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}
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} else {
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for (rend = nptr + w; nptr < rend; nptr++, optr++) {
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pdif += DIFF(nptr, ns, nptr, ns);
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bdif += DIFF(nptr, ns, optr, os);
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}
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}
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break;
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case ANALYZE:
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if (top) {
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for (rend = nptr + w; nptr < rend; nptr++, optr++) {
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tdif += DIFF(nptr, ns, optr, os);
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bdif += DIFF(optr, os, nptr, ns);
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}
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} else {
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for (rend = nptr + w; nptr < rend; nptr++, optr++) {
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bdif += DIFF(nptr, ns, optr, os);
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tdif += DIFF(optr, os, nptr, ns);
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}
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}
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break;
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case FULL_ANALYZE:
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if (top) {
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for (rend = nptr + w; nptr < rend; nptr++, optr++) {
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pdif += DIFF(nptr, ns, nptr, ns);
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tdif += DIFF(nptr, ns, optr, os);
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bdif += DIFF(optr, os, nptr, ns);
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}
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} else {
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for (rend = nptr + w; nptr < rend; nptr++, optr++) {
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pdif += DIFF(nptr, ns, nptr, ns);
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bdif += DIFF(nptr, ns, optr, os);
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tdif += DIFF(optr, os, nptr, ns);
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}
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}
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break;
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default:
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av_assert0(0);
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}
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pdiff += (double)pdif;
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tdiff += (double)tdif;
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bdiff += (double)bdif;
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nptr += ns - w;
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optr += os - w;
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top ^= 1;
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}
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scale = 1.0 / (w * (h - 3)) * factor;
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pdiff *= scale;
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tdiff *= scale;
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bdiff *= scale;
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if (mode == TOP_FIRST_ANALYZE) {
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bdiff = 65536.0;
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} else if (mode == BOTTOM_FIRST_ANALYZE) {
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tdiff = 65536.0;
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} else if (mode == ANALYZE) {
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pdiff = 65536.0;
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}
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if (bdiff < pdiff && bdiff < tdiff) {
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mode = BOTTOM_FIRST;
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} else if (tdiff < pdiff && tdiff < bdiff) {
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mode = TOP_FIRST;
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} else {
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mode = PROGRESSIVE;
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}
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}
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av_log(ctx, AV_LOG_DEBUG, "mode=%c tdiff=%f bdiff=%f pdiff=%f\n",
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mode == BOTTOM_FIRST ? 'b' : mode == TOP_FIRST ? 't' : 'p',
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tdiff, bdiff, pdiff);
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return mode;
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}
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@ -39,6 +39,29 @@ enum PhaseMode {
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AUTO_ANALYZE
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AUTO_ANALYZE
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};
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};
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#define DEPTH 8
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#include "phase_template.c"
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#undef DEPTH
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#define DEPTH 9
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#include "phase_template.c"
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#undef DEPTH
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#define DEPTH 10
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#include "phase_template.c"
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#undef DEPTH
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#define DEPTH 12
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#include "phase_template.c"
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#undef DEPTH
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#define DEPTH 14
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#include "phase_template.c"
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#undef DEPTH
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#define DEPTH 16
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#include "phase_template.c"
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typedef struct PhaseContext {
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typedef struct PhaseContext {
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const AVClass *class;
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const AVClass *class;
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int mode; ///<PhaseMode
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int mode; ///<PhaseMode
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@ -46,6 +69,8 @@ typedef struct PhaseContext {
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int nb_planes;
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int nb_planes;
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int planeheight[4];
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int planeheight[4];
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int linesize[4];
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int linesize[4];
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enum PhaseMode (*analyze_plane)(void *ctx, enum PhaseMode mode, AVFrame *old, AVFrame *new);
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} PhaseContext;
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} PhaseContext;
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#define OFFSET(x) offsetof(PhaseContext, x)
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#define OFFSET(x) offsetof(PhaseContext, x)
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@ -71,10 +96,33 @@ AVFILTER_DEFINE_CLASS(phase);
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static int query_formats(AVFilterContext *ctx)
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static int query_formats(AVFilterContext *ctx)
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{
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{
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static const enum AVPixelFormat pix_fmts[] = {
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static const enum AVPixelFormat pix_fmts[] = {
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AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA420P,
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AV_PIX_FMT_GRAY8,
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AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_YUVJ422P,AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ411P,
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AV_PIX_FMT_GRAY9,
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AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P,
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AV_PIX_FMT_GRAY10,
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AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP, AV_PIX_FMT_GRAY8, AV_PIX_FMT_NONE
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AV_PIX_FMT_GRAY12,
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AV_PIX_FMT_GRAY14,
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AV_PIX_FMT_GRAY16,
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AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV411P,
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AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P,
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AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P,
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AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P,
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AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_YUVJ444P,
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AV_PIX_FMT_YUVJ411P,
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AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,
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AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
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AV_PIX_FMT_YUV440P10,
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AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV420P12,
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AV_PIX_FMT_YUV440P12,
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AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV420P14,
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AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
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AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
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AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
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AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P,
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AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA444P12, AV_PIX_FMT_YUVA444P16,
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AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA422P16,
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AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA420P16,
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AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16,
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AV_PIX_FMT_NONE
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};
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};
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AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
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AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
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@ -89,6 +137,16 @@ static int config_input(AVFilterLink *inlink)
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
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int ret;
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int ret;
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switch (desc->comp[0].depth) {
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case 8: s->analyze_plane = analyze_plane_8; break;
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case 9: s->analyze_plane = analyze_plane_9; break;
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case 10: s->analyze_plane = analyze_plane_10; break;
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case 12: s->analyze_plane = analyze_plane_12; break;
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case 14: s->analyze_plane = analyze_plane_14; break;
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case 16: s->analyze_plane = analyze_plane_16; break;
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default: av_assert0(0);
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};
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if ((ret = av_image_fill_linesizes(s->linesize, inlink->format, inlink->w)) < 0)
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if ((ret = av_image_fill_linesizes(s->linesize, inlink->format, inlink->w)) < 0)
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return ret;
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return ret;
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@ -100,149 +158,6 @@ static int config_input(AVFilterLink *inlink)
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return 0;
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return 0;
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}
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}
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/*
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* This macro interpolates the value of both fields at a point halfway
|
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* between lines and takes the squared difference. In field resolution
|
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* the point is a quarter pixel below a line in one field and a quarter
|
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* pixel above a line in other.
|
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*
|
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* (The result is actually multiplied by 25)
|
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*/
|
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#define DIFF(a, as, b, bs) ((t) = ((*(a) - (b)[bs]) << 2) + (a)[(as) << 1] - (b)[-(bs)], (t) * (t))
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/*
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* Find which field combination has the smallest average squared difference
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* between the fields.
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*/
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static enum PhaseMode analyze_plane(void *ctx, enum PhaseMode mode, AVFrame *old, AVFrame *new)
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{
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double bdiff, tdiff, pdiff;
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if (mode == AUTO) {
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mode = new->interlaced_frame ? new->top_field_first ?
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TOP_FIRST : BOTTOM_FIRST : PROGRESSIVE;
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} else if (mode == AUTO_ANALYZE) {
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mode = new->interlaced_frame ? new->top_field_first ?
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TOP_FIRST_ANALYZE : BOTTOM_FIRST_ANALYZE : FULL_ANALYZE;
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}
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if (mode <= BOTTOM_FIRST) {
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bdiff = pdiff = tdiff = 65536.0;
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} else {
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const int ns = new->linesize[0];
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const int os = old->linesize[0];
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const uint8_t *nptr = new->data[0];
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const uint8_t *optr = old->data[0];
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const int h = new->height;
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const int w = new->width;
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int bdif, tdif, pdif;
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double scale;
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int top = 0, t;
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const uint8_t *rend, *end = nptr + (h - 2) * ns;
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bdiff = pdiff = tdiff = 0.0;
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nptr += ns;
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optr += os;
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while (nptr < end) {
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pdif = tdif = bdif = 0;
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switch (mode) {
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|
||||||
case TOP_FIRST_ANALYZE:
|
|
||||||
if (top) {
|
|
||||||
for (rend = nptr + w; nptr < rend; nptr++, optr++) {
|
|
||||||
pdif += DIFF(nptr, ns, nptr, ns);
|
|
||||||
tdif += DIFF(nptr, ns, optr, os);
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
for (rend = nptr + w; nptr < rend; nptr++, optr++) {
|
|
||||||
pdif += DIFF(nptr, ns, nptr, ns);
|
|
||||||
tdif += DIFF(optr, os, nptr, ns);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
case BOTTOM_FIRST_ANALYZE:
|
|
||||||
if (top) {
|
|
||||||
for (rend = nptr + w; nptr < rend; nptr++, optr++) {
|
|
||||||
pdif += DIFF(nptr, ns, nptr, ns);
|
|
||||||
bdif += DIFF(optr, os, nptr, ns);
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
for (rend = nptr + w; nptr < rend; nptr++, optr++) {
|
|
||||||
pdif += DIFF(nptr, ns, nptr, ns);
|
|
||||||
bdif += DIFF(nptr, ns, optr, os);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
case ANALYZE:
|
|
||||||
if (top) {
|
|
||||||
for (rend = nptr + w; nptr < rend; nptr++, optr++) {
|
|
||||||
tdif += DIFF(nptr, ns, optr, os);
|
|
||||||
bdif += DIFF(optr, os, nptr, ns);
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
for (rend = nptr + w; nptr < rend; nptr++, optr++) {
|
|
||||||
bdif += DIFF(nptr, ns, optr, os);
|
|
||||||
tdif += DIFF(optr, os, nptr, ns);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
case FULL_ANALYZE:
|
|
||||||
if (top) {
|
|
||||||
for (rend = nptr + w; nptr < rend; nptr++, optr++) {
|
|
||||||
pdif += DIFF(nptr, ns, nptr, ns);
|
|
||||||
tdif += DIFF(nptr, ns, optr, os);
|
|
||||||
bdif += DIFF(optr, os, nptr, ns);
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
for (rend = nptr + w; nptr < rend; nptr++, optr++) {
|
|
||||||
pdif += DIFF(nptr, ns, nptr, ns);
|
|
||||||
bdif += DIFF(nptr, ns, optr, os);
|
|
||||||
tdif += DIFF(optr, os, nptr, ns);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
av_assert0(0);
|
|
||||||
}
|
|
||||||
|
|
||||||
pdiff += (double)pdif;
|
|
||||||
tdiff += (double)tdif;
|
|
||||||
bdiff += (double)bdif;
|
|
||||||
nptr += ns - w;
|
|
||||||
optr += os - w;
|
|
||||||
top ^= 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
scale = 1.0 / (w * (h - 3)) / 25.0;
|
|
||||||
pdiff *= scale;
|
|
||||||
tdiff *= scale;
|
|
||||||
bdiff *= scale;
|
|
||||||
|
|
||||||
if (mode == TOP_FIRST_ANALYZE) {
|
|
||||||
bdiff = 65536.0;
|
|
||||||
} else if (mode == BOTTOM_FIRST_ANALYZE) {
|
|
||||||
tdiff = 65536.0;
|
|
||||||
} else if (mode == ANALYZE) {
|
|
||||||
pdiff = 65536.0;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (bdiff < pdiff && bdiff < tdiff) {
|
|
||||||
mode = BOTTOM_FIRST;
|
|
||||||
} else if (tdiff < pdiff && tdiff < bdiff) {
|
|
||||||
mode = TOP_FIRST;
|
|
||||||
} else {
|
|
||||||
mode = PROGRESSIVE;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
av_log(ctx, AV_LOG_DEBUG, "mode=%c tdiff=%f bdiff=%f pdiff=%f\n",
|
|
||||||
mode == BOTTOM_FIRST ? 'b' : mode == TOP_FIRST ? 't' : 'p',
|
|
||||||
tdiff, bdiff, pdiff);
|
|
||||||
return mode;
|
|
||||||
}
|
|
||||||
|
|
||||||
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
|
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
|
||||||
{
|
{
|
||||||
AVFilterContext *ctx = inlink->dst;
|
AVFilterContext *ctx = inlink->dst;
|
||||||
@ -272,7 +187,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
|
|||||||
s->frame = in;
|
s->frame = in;
|
||||||
mode = PROGRESSIVE;
|
mode = PROGRESSIVE;
|
||||||
} else {
|
} else {
|
||||||
mode = analyze_plane(ctx, s->mode, s->frame, in);
|
mode = s->analyze_plane(ctx, s->mode, s->frame, in);
|
||||||
}
|
}
|
||||||
|
|
||||||
for (plane = 0; plane < s->nb_planes; plane++) {
|
for (plane = 0; plane < s->nb_planes; plane++) {
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user