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lavfi/selectivecolor: add 16-bit support

This commit is contained in:
Clément Bœsch 2016-07-14 17:23:08 +02:00
parent b8aaedcd01
commit 308f9b1c49
3 changed files with 162 additions and 111 deletions
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1
Changelog
View File

@ -9,6 +9,7 @@ version <next>:
- VP8 in Ogg muxing
- curves filter doesn't automatically insert points at x=0 and x=1 anymore
- 16-bit support in curves filter
- 16-bit support in selectivecolor filter
version 3.1:

2
libavfilter/version.h
View File

@ -30,7 +30,7 @@
#include "libavutil/version.h"
#define LIBAVFILTER_VERSION_MAJOR 6
#define LIBAVFILTER_VERSION_MINOR 48
#define LIBAVFILTER_VERSION_MINOR 49
#define LIBAVFILTER_VERSION_MICRO 100
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \

270
libavfilter/vf_selectivecolor.c
View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2015 Clément Bœsch <u pkh me>
* Copyright (c) 2015-2016 Clément Bœsch <u pkh me>
*
* This file is part of FFmpeg.
*
@ -21,18 +21,24 @@
/**
* @todo
* - use integers so it can be made bitexact and a FATE test can be added
* - >8 bit support
*/
#include "libavutil/avassert.h"
#include "libavutil/file.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "drawutils.h"
#include "formats.h"
#include "internal.h"
#include "video.h"
#define R 0
#define G 1
#define B 2
#define A 3
enum color_range {
// WARNING: do NOT reorder (see parse_psfile())
RANGE_REDS,
@ -77,6 +83,9 @@ typedef struct {
struct process_range process_ranges[NB_RANGES]; // color ranges to process
int nb_process_ranges;
char *psfile;
uint8_t rgba_map[4];
int is_16bit;
int step;
} SelectiveColorContext;
#define OFFSET(x) offsetof(SelectiveColorContext, x)
@ -141,23 +150,28 @@ static int get_cmy_adjust_range(int r, int g, int b, int min_val, int max_val)
return mid_val - min_val;
}
static int get_neutrals_adjust_range(int r, int g, int b, int min_val, int max_val)
{
// 1 - (|max-0.5| + |min-0.5|)
return (255*2 - (abs((max_val<<1) - 255) + abs((min_val<<1) - 255)) + 1) >> 1;
}
#define DECLARE_ADJUST_RANGE_FUNCS(nbits) \
static int get_neutrals_adjust_range##nbits(int r, int g, int b, int min_val, int max_val) \
{ \
/* 1 - (|max-0.5| + |min-0.5|) */ \
return (((1<<nbits)-1)*2 - ( abs((max_val<<1) - ((1<<nbits)-1)) \
+ abs((min_val<<1) - ((1<<nbits)-1))) + 1) >> 1; \
} \
\
static int get_whites_adjust_range##nbits(int r, int g, int b, int min_val, int max_val) \
{ \
/* (min - 0.5) * 2 */ \
return (min_val<<1) - ((1<<nbits)-1); \
} \
\
static int get_blacks_adjust_range##nbits(int r, int g, int b, int min_val, int max_val) \
{ \
/* (0.5 - max) * 2 */ \
return ((1<<nbits)-1) - (max_val<<1); \
} \
static int get_whites_adjust_range(int r, int g, int b, int min_val, int max_val)
{
// (min - 0.5) * 2
return (min_val<<1) - 255;
}
static int get_blacks_adjust_range(int r, int g, int b, int min_val, int max_val)
{
// (0.5 - max) * 2
return 255 - (max_val<<1);
}
DECLARE_ADJUST_RANGE_FUNCS(8)
DECLARE_ADJUST_RANGE_FUNCS(16)
static int register_range(SelectiveColorContext *s, int range_id)
{
@ -182,9 +196,12 @@ static int register_range(SelectiveColorContext *s, int range_id)
pr->mask = 1 << range_id;
if (pr->mask & (1<<RANGE_REDS | 1<<RANGE_GREENS | 1<<RANGE_BLUES)) pr->get_adjust_range = get_rgb_adjust_range;
else if (pr->mask & (1<<RANGE_CYANS | 1<<RANGE_MAGENTAS | 1<<RANGE_YELLOWS)) pr->get_adjust_range = get_cmy_adjust_range;
else if (pr->mask & 1<<RANGE_WHITES) pr->get_adjust_range = get_whites_adjust_range;
else if (pr->mask & 1<<RANGE_NEUTRALS) pr->get_adjust_range = get_neutrals_adjust_range;
else if (pr->mask & 1<<RANGE_BLACKS) pr->get_adjust_range = get_blacks_adjust_range;
else if (!s->is_16bit && (pr->mask & 1<<RANGE_WHITES)) pr->get_adjust_range = get_whites_adjust_range8;
else if (!s->is_16bit && (pr->mask & 1<<RANGE_NEUTRALS)) pr->get_adjust_range = get_neutrals_adjust_range8;
else if (!s->is_16bit && (pr->mask & 1<<RANGE_BLACKS)) pr->get_adjust_range = get_blacks_adjust_range8;
else if ( s->is_16bit && (pr->mask & 1<<RANGE_WHITES)) pr->get_adjust_range = get_whites_adjust_range16;
else if ( s->is_16bit && (pr->mask & 1<<RANGE_NEUTRALS)) pr->get_adjust_range = get_neutrals_adjust_range16;
else if ( s->is_16bit && (pr->mask & 1<<RANGE_BLACKS)) pr->get_adjust_range = get_blacks_adjust_range16;
else
av_assert0(0);
}
@ -244,10 +261,19 @@ end:
return ret;
}
static av_cold int init(AVFilterContext *ctx)
static int config_input(AVFilterLink *inlink)
{
int i, ret;
AVFilterContext *ctx = inlink->dst;
SelectiveColorContext *s = ctx->priv;
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
s->is_16bit = desc->comp[0].depth > 8;
s->step = av_get_padded_bits_per_pixel(desc) >> (3 + s->is_16bit);
ret = ff_fill_rgba_map(s->rgba_map, inlink->format);
if (ret < 0)
return ret;
/* If the following conditions are not met, it will cause trouble while
* parsing the PS file */
@ -287,7 +313,16 @@ static av_cold int init(AVFilterContext *ctx)
static int query_formats(AVFilterContext *ctx)
{
static const enum AVPixelFormat pix_fmts[] = {AV_PIX_FMT_RGB32, AV_PIX_FMT_0RGB32, AV_PIX_FMT_NONE};
static const enum AVPixelFormat pix_fmts[] = {
AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24,
AV_PIX_FMT_RGBA, AV_PIX_FMT_BGRA,
AV_PIX_FMT_ARGB, AV_PIX_FMT_ABGR,
AV_PIX_FMT_0RGB, AV_PIX_FMT_0BGR,
AV_PIX_FMT_RGB0, AV_PIX_FMT_BGR0,
AV_PIX_FMT_RGB48, AV_PIX_FMT_BGR48,
AV_PIX_FMT_RGBA64, AV_PIX_FMT_BGRA64,
AV_PIX_FMT_NONE
};
AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
if (!fmts_list)
return AVERROR(ENOMEM);
@ -304,91 +339,101 @@ static inline int comp_adjust(int adjust_range, float value, float adjust, float
return lrint(av_clipf(res, min, max) * adjust_range);
}
static inline int selective_color(AVFilterContext *ctx, ThreadData *td,
int jobnr, int nb_jobs, int direct, int correction_method)
{
int i, x, y;
const AVFrame *in = td->in;
AVFrame *out = td->out;
const SelectiveColorContext *s = ctx->priv;
const int height = in->height;
const int width = in->width;
const int slice_start = (height * jobnr ) / nb_jobs;
const int slice_end = (height * (jobnr+1)) / nb_jobs;
const int dst_linesize = out->linesize[0];
const int src_linesize = in->linesize[0];
uint8_t *dst = out->data[0] + slice_start * dst_linesize;
const uint8_t *src = in->data[0] + slice_start * src_linesize;
for (y = slice_start; y < slice_end; y++) {
const uint32_t *src32 = (const uint32_t *)src;
uint32_t *dst32 = (uint32_t *)dst;
for (x = 0; x < width; x++) {
const uint32_t color = *src32++;
const int r = color >> 16 & 0xff;
const int g = color >> 8 & 0xff;
const int b = color & 0xff;
const int min_color = FFMIN3(r, g, b);
const int max_color = FFMAX3(r, g, b);
const uint32_t range_flag = (r == max_color) << RANGE_REDS
| (r == min_color) << RANGE_CYANS
| (g == max_color) << RANGE_GREENS
| (g == min_color) << RANGE_MAGENTAS
| (b == max_color) << RANGE_BLUES
| (b == min_color) << RANGE_YELLOWS
| (r > 128 && g > 128 && b > 128) << RANGE_WHITES
| ((r || g || b) && (r != 255 || g != 255 || b != 255)) << RANGE_NEUTRALS
| (r < 128 && g < 128 && b < 128) << RANGE_BLACKS;
const float rnorm = r / 255.;
const float gnorm = g / 255.;
const float bnorm = b / 255.;
int adjust_r = 0, adjust_g = 0, adjust_b = 0;
for (i = 0; i < s->nb_process_ranges; i++) {
const struct process_range *pr = &s->process_ranges[i];
if (range_flag & pr->mask) {
const int adjust_range = pr->get_adjust_range(r, g, b, min_color, max_color);
if (adjust_range > 0) {
const float *cmyk_adjust = s->cmyk_adjust[pr->range_id];
const float adj_c = cmyk_adjust[0];
const float adj_m = cmyk_adjust[1];
const float adj_y = cmyk_adjust[2];
const float k = cmyk_adjust[3];
adjust_r += comp_adjust(adjust_range, rnorm, adj_c, k, correction_method);
adjust_g += comp_adjust(adjust_range, gnorm, adj_m, k, correction_method);
adjust_b += comp_adjust(adjust_range, bnorm, adj_y, k, correction_method);
}
}
}
if (!direct || adjust_r || adjust_g || adjust_b)
*dst32 = (color & 0xff000000)
| av_clip_uint8(r + adjust_r) << 16
| av_clip_uint8(g + adjust_g) << 8
| av_clip_uint8(b + adjust_b);
dst32++;
}
src += src_linesize;
dst += dst_linesize;
}
return 0;
#define DECLARE_SELECTIVE_COLOR_FUNC(nbits) \
static inline int selective_color_##nbits(AVFilterContext *ctx, ThreadData *td, \
int jobnr, int nb_jobs, int direct, int correction_method) \
{ \
int i, x, y; \
const AVFrame *in = td->in; \
AVFrame *out = td->out; \
const SelectiveColorContext *s = ctx->priv; \
const int height = in->height; \
const int width = in->width; \
const int slice_start = (height * jobnr ) / nb_jobs; \
const int slice_end = (height * (jobnr+1)) / nb_jobs; \
const int dst_linesize = out->linesize[0]; \
const int src_linesize = in->linesize[0]; \
const uint8_t roffset = s->rgba_map[R]; \
const uint8_t goffset = s->rgba_map[G]; \
const uint8_t boffset = s->rgba_map[B]; \
const uint8_t aoffset = s->rgba_map[A]; \
\
for (y = slice_start; y < slice_end; y++) { \
uint##nbits##_t *dst = ( uint##nbits##_t *)(out->data[0] + y * dst_linesize); \
const uint##nbits##_t *src = (const uint##nbits##_t *)( in->data[0] + y * src_linesize); \
\
for (x = 0; x < width * s->step; x += s->step) { \
const int r = src[x + roffset]; \
const int g = src[x + goffset]; \
const int b = src[x + boffset]; \
const int min_color = FFMIN3(r, g, b); \
const int max_color = FFMAX3(r, g, b); \
const int is_white = (r > 1<<(nbits-1) && g > 1<<(nbits-1) && b > 1<<(nbits-1)); \
const int is_neutral = (r || g || b) && \
r != (1<<nbits)-1 && g != (1<<nbits)-1 && b != (1<<nbits)-1; \
const int is_black = (r < 1<<(nbits-1) && g < 1<<(nbits-1) && b < 1<<(nbits-1)); \
const uint32_t range_flag = (r == max_color) << RANGE_REDS \
| (r == min_color) << RANGE_CYANS \
| (g == max_color) << RANGE_GREENS \
| (g == min_color) << RANGE_MAGENTAS \
| (b == max_color) << RANGE_BLUES \
| (b == min_color) << RANGE_YELLOWS \
| is_white << RANGE_WHITES \
| is_neutral << RANGE_NEUTRALS \
| is_black << RANGE_BLACKS; \
\
const float rnorm = r * (1.f / ((1<<nbits)-1)); \
const float gnorm = g * (1.f / ((1<<nbits)-1)); \
const float bnorm = b * (1.f / ((1<<nbits)-1)); \
int adjust_r = 0, adjust_g = 0, adjust_b = 0; \
\
for (i = 0; i < s->nb_process_ranges; i++) { \
const struct process_range *pr = &s->process_ranges[i]; \
\
if (range_flag & pr->mask) { \
const int adjust_range = pr->get_adjust_range(r, g, b, min_color, max_color); \
\
if (adjust_range > 0) { \
const float *cmyk_adjust = s->cmyk_adjust[pr->range_id]; \
const float adj_c = cmyk_adjust[0]; \
const float adj_m = cmyk_adjust[1]; \
const float adj_y = cmyk_adjust[2]; \
const float k = cmyk_adjust[3]; \
\
adjust_r += comp_adjust(adjust_range, rnorm, adj_c, k, correction_method); \
adjust_g += comp_adjust(adjust_range, gnorm, adj_m, k, correction_method); \
adjust_b += comp_adjust(adjust_range, bnorm, adj_y, k, correction_method); \
} \
} \
} \
\
if (!direct || adjust_r || adjust_g || adjust_b) { \
dst[x + roffset] = av_clip_uint##nbits(r + adjust_r); \
dst[x + goffset] = av_clip_uint##nbits(g + adjust_g); \
dst[x + boffset] = av_clip_uint##nbits(b + adjust_b); \
if (!direct && s->step == 4) \
dst[x + aoffset] = src[x + aoffset]; \
} \
} \
} \
return 0; \
}
#define DEF_SELECTIVE_COLOR_FUNC(name, direct, correction_method) \
static int selective_color_##name(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) \
{ \
return selective_color(ctx, arg, jobnr, nb_jobs, direct, correction_method); \
#define DEF_SELECTIVE_COLOR_FUNC(name, direct, correction_method, nbits) \
static int selective_color_##name##_##nbits(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) \
{ \
return selective_color_##nbits(ctx, arg, jobnr, nb_jobs, direct, correction_method); \
}
DEF_SELECTIVE_COLOR_FUNC(indirect_absolute, 0, CORRECTION_METHOD_ABSOLUTE)
DEF_SELECTIVE_COLOR_FUNC(indirect_relative, 0, CORRECTION_METHOD_RELATIVE)
DEF_SELECTIVE_COLOR_FUNC( direct_absolute, 1, CORRECTION_METHOD_ABSOLUTE)
DEF_SELECTIVE_COLOR_FUNC( direct_relative, 1, CORRECTION_METHOD_RELATIVE)
#define DEF_SELECTIVE_COLOR_FUNCS(nbits) \
DECLARE_SELECTIVE_COLOR_FUNC(nbits) \
DEF_SELECTIVE_COLOR_FUNC(indirect_absolute, 0, CORRECTION_METHOD_ABSOLUTE, nbits) \
DEF_SELECTIVE_COLOR_FUNC(indirect_relative, 0, CORRECTION_METHOD_RELATIVE, nbits) \
DEF_SELECTIVE_COLOR_FUNC( direct_absolute, 1, CORRECTION_METHOD_ABSOLUTE, nbits) \
DEF_SELECTIVE_COLOR_FUNC( direct_relative, 1, CORRECTION_METHOD_RELATIVE, nbits)
DEF_SELECTIVE_COLOR_FUNCS(8)
DEF_SELECTIVE_COLOR_FUNCS(16)
typedef int (*selective_color_func_type)(AVFilterContext *ctx, void *td, int jobnr, int nb_jobs);
@ -400,9 +445,14 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
AVFrame *out;
ThreadData td;
const SelectiveColorContext *s = ctx->priv;
static const selective_color_func_type funcs[2][2] = {
{selective_color_indirect_absolute, selective_color_indirect_relative},
{selective_color_direct_absolute, selective_color_direct_relative},
static const selective_color_func_type funcs[2][2][2] = {
{
{selective_color_indirect_absolute_8, selective_color_indirect_relative_8},
{selective_color_direct_absolute_8, selective_color_direct_relative_8},
},{
{selective_color_indirect_absolute_16, selective_color_indirect_relative_16},
{selective_color_direct_absolute_16, selective_color_direct_relative_16},
}
};
if (av_frame_is_writable(in)) {
@ -420,8 +470,8 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
td.in = in;
td.out = out;
ctx->internal->execute(ctx, funcs[direct][s->correction_method], &td, NULL,
FFMIN(inlink->h, ctx->graph->nb_threads));
ctx->internal->execute(ctx, funcs[s->is_16bit][direct][s->correction_method],
&td, NULL, FFMIN(inlink->h, ctx->graph->nb_threads));
if (!direct)
av_frame_free(&in);
@ -433,6 +483,7 @@ static const AVFilterPad selectivecolor_inputs[] = {
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.filter_frame = filter_frame,
.config_props = config_input,
},
{ NULL }
};
@ -449,7 +500,6 @@ AVFilter ff_vf_selectivecolor = {
.name = "selectivecolor",
.description = NULL_IF_CONFIG_SMALL("Apply CMYK adjustments to specific color ranges."),
.priv_size = sizeof(SelectiveColorContext),
.init = init,
.query_formats = query_formats,
.inputs = selectivecolor_inputs,
.outputs = selectivecolor_outputs,