#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;
float color[3];
+ int step;
int depth;
+ uint8_t rgba_map[4];
int (*do_slice)(AVFilterContext *s, void *arg,
int jobnr, int nb_jobs);
return v0 + (v1 - v0) * f;
}
+#define PROCESS() \
+ nr = r * color[0]; \
+ ng = g * color[1]; \
+ nb = b * color[2]; \
+ \
+ nr = lerpf(r, nr, mix); \
+ ng = lerpf(g, ng, mix); \
+ nb = lerpf(b, nb, mix); \
+ \
+ l0 = (FFMAX3(r, g, b) + FFMIN3(r, g, b)) + FLT_EPSILON; \
+ l1 = (FFMAX3(nr, ng, nb) + FFMIN3(nr, ng, nb)) + FLT_EPSILON; \
+ l = l0 / l1; \
+ \
+ r = nr * l; \
+ g = ng * l; \
+ b = nb * l; \
+ \
+ nr = lerpf(nr, r, preserve); \
+ ng = lerpf(ng, g, preserve); \
+ nb = lerpf(nb, b, preserve);
+
static int temperature_slice8(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
{
ColorTemperatureContext *s = ctx->priv;
float nr, ng, nb;
float l0, l1, l;
- nr = r * color[0];
- ng = g * color[1];
- nb = b * color[2];
-
- nr = lerpf(r, nr, mix);
- ng = lerpf(g, ng, mix);
- nb = lerpf(b, nb, mix);
-
- l0 = (FFMAX3(r, g, b) + FFMIN3(r, g, b)) + FLT_EPSILON;
- l1 = (FFMAX3(nr, ng, nb) + FFMIN3(nr, ng, nb)) + FLT_EPSILON;
- l = l0 / l1;
-
- r = nr * l;
- g = ng * l;
- b = nb * l;
-
- nr = lerpf(nr, r, preserve);
- ng = lerpf(ng, g, preserve);
- nb = lerpf(nb, b, preserve);
+ PROCESS()
gptr[x] = av_clip_uint8(ng);
bptr[x] = av_clip_uint8(nb);
float nr, ng, nb;
float l0, l1, l;
- nr = r * color[0];
- ng = g * color[1];
- nb = b * color[2];
-
- nr = lerpf(r, nr, mix);
- ng = lerpf(g, ng, mix);
- nb = lerpf(b, nb, mix);
-
- l0 = (FFMAX3(r, g, b) + FFMIN3(r, g, b)) + FLT_EPSILON;
- l1 = (FFMAX3(nr, ng, nb) + FFMIN3(nr, ng, nb)) + FLT_EPSILON;
- l = l0 / l1;
-
- r = nr * l;
- g = ng * l;
- b = nb * l;
-
- nr = lerpf(nr, r, preserve);
- ng = lerpf(ng, g, preserve);
- nb = lerpf(nb, b, preserve);
+ PROCESS()
gptr[x] = av_clip_uintp2_c(ng, depth);
bptr[x] = av_clip_uintp2_c(nb, depth);
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;
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
};
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;
}
#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 }
projects / ffmpeg / blobdiff