virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-11-21 10:55:51 +02:00
Code Issues Releases Activity

avfilter/vf_colortemperature: add packed formats support

Browse Source
This commit is contained in:
Paul B Mahol 2021-01-31 20:39:45 +01:00
parent aa8cf8fdee
commit 98b0c0e44f
1 changed files with 106 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

107
libavfilter/vf_colortemperature.c
View File

@ -23,10 +23,15 @@
#include "libavutil/opt.h"
#include "libavutil/imgutils.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
typedef struct ColorTemperatureContext {
const AVClass *class;
@ -36,7 +41,9 @@ typedef struct ColorTemperatureContext {
float color[3];
int step;
int depth;
uint8_t rgba_map[4];
int (*do_slice)(AVFilterContext *s, void *arg,
int jobnr, int nb_jobs);
@ -177,6 +184,85 @@ static int temperature_slice16(AVFilterContext *ctx, void *arg, int jobnr, int n
return 0;
}
static int temperature_slice8p(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
{
ColorTemperatureContext *s = ctx->priv;
AVFrame *frame = arg;
const int step = s->step;
const int width = frame->width;
const int height = frame->height;
const float mix = s->mix;
const float preserve = s->preserve;
const float *color = s->color;
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 int slice_start = (height * jobnr) / nb_jobs;
const int slice_end = (height * (jobnr + 1)) / nb_jobs;
const int linesize = frame->linesize[0];
uint8_t *ptr = frame->data[0] + slice_start * linesize;
for (int y = slice_start; y < slice_end; y++) {
for (int x = 0; x < width; x++) {
float g = ptr[x * step + goffset];
float b = ptr[x * step + boffset];
float r = ptr[x * step + roffset];
float nr, ng, nb;
float l0, l1, l;
PROCESS()
ptr[x * step + goffset] = av_clip_uint8(ng);
ptr[x * step + boffset] = av_clip_uint8(nb);
ptr[x * step + roffset] = av_clip_uint8(nr);
}
ptr += linesize;
}
return 0;
}
static int temperature_slice16p(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
{
ColorTemperatureContext *s = ctx->priv;
AVFrame *frame = arg;
const int step = s->step;
const int depth = s->depth;
const int width = frame->width;
const int height = frame->height;
const float preserve = s->preserve;
const float mix = s->mix;
const float *color = s->color;
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 int slice_start = (height * jobnr) / nb_jobs;
const int slice_end = (height * (jobnr + 1)) / nb_jobs;
const int linesize = frame->linesize[0] / sizeof(uint16_t);
uint16_t *ptr = (uint16_t *)frame->data[0] + slice_start * linesize;
for (int y = slice_start; y < slice_end; y++) {
for (int x = 0; x < width; x++) {
float g = ptr[x * step + goffset];
float b = ptr[x * step + boffset];
float r = ptr[x * step + roffset];
float nr, ng, nb;
float l0, l1, l;
PROCESS()
ptr[x * step + goffset] = av_clip_uintp2_c(ng, depth);
ptr[x * step + boffset] = av_clip_uintp2_c(nb, depth);
ptr[x * step + roffset] = av_clip_uintp2_c(nr, depth);
}
ptr += linesize;
}
return 0;
}
static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
{
AVFilterContext *ctx = inlink->dst;
@ -193,10 +279,17 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
static av_cold int query_formats(AVFilterContext *ctx)
{
static const enum AVPixelFormat pixel_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_GBRP, AV_PIX_FMT_GBRAP,
AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRP12,
AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16,
AV_PIX_FMT_RGB48, AV_PIX_FMT_BGR48,
AV_PIX_FMT_RGBA64, AV_PIX_FMT_BGRA64,
AV_PIX_FMT_NONE
};
@ -214,9 +307,21 @@ static av_cold int config_input(AVFilterLink *inlink)
AVFilterContext *ctx = inlink->dst;
ColorTemperatureContext *s = ctx->priv;
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
int planar = desc->flags & AV_PIX_FMT_FLAG_PLANAR;
s->step = desc->nb_components;
if (inlink->format == AV_PIX_FMT_RGB0 ||
inlink->format == AV_PIX_FMT_0RGB ||
inlink->format == AV_PIX_FMT_BGR0 ||
inlink->format == AV_PIX_FMT_0BGR)
s->step = 4;
s->depth = desc->comp[0].depth;
s->do_slice = s->depth <= 8 ? temperature_slice8 : temperature_slice16;
if (!planar)
s->do_slice = s->depth <= 8 ? temperature_slice8p : temperature_slice16p;
ff_fill_rgba_map(s->rgba_map, inlink->format);
return 0;
}
@ -244,7 +349,7 @@ static const AVFilterPad outputs[] = {
#define VF AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
static const AVOption colortemperature_options[] = {
{ "temperature", "set the temperature in Kelvins", OFFSET(temperature), AV_OPT_TYPE_FLOAT, {.dbl=6500}, 1000, 40000, VF },
{ "temperature", "set the temperature in Kelvin", OFFSET(temperature), AV_OPT_TYPE_FLOAT, {.dbl=6500}, 1000, 40000, VF },
{ "mix", "set the mix with filtered output", OFFSET(mix), AV_OPT_TYPE_FLOAT, {.dbl=1}, 0, 1, VF },
{ "pl", "set the amount of preserving lightness", OFFSET(preserve), AV_OPT_TYPE_FLOAT, {.dbl=0}, 0, 1, VF },
{ NULL }