diff --git a/libavfilter/vf_vibrance.c b/libavfilter/vf_vibrance.c index 8e1a55caca..edea521b16 100644 --- a/libavfilter/vf_vibrance.c +++ b/libavfilter/vf_vibrance.c @@ -21,10 +21,15 @@ #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 VibranceContext { const AVClass *class; @@ -33,7 +38,9 @@ typedef struct VibranceContext { float lcoeffs[3]; int alternate; + int step; int depth; + uint8_t rgba_map[4]; int (*do_slice)(AVFilterContext *s, void *arg, int jobnr, int nb_jobs); @@ -160,6 +167,118 @@ static int vibrance_slice16(AVFilterContext *avctx, void *arg, int jobnr, int nb return 0; } +static int vibrance_slice8p(AVFilterContext *avctx, void *arg, int jobnr, int nb_jobs) +{ + VibranceContext *s = avctx->priv; + AVFrame *frame = arg; + const int step = s->step; + const int width = frame->width; + const int height = frame->height; + const float scale = 1.f / 255.f; + const float gc = s->lcoeffs[0]; + const float bc = s->lcoeffs[1]; + const float rc = s->lcoeffs[2]; + 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 float intensity = s->intensity; + const float alternate = s->alternate ? 1.f : -1.f; + const float gintensity = intensity * s->balance[0]; + const float bintensity = intensity * s->balance[1]; + const float rintensity = intensity * s->balance[2]; + const float sgintensity = alternate * FFSIGN(gintensity); + const float sbintensity = alternate * FFSIGN(bintensity); + const float srintensity = alternate * FFSIGN(rintensity); + 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] * scale; + float b = ptr[x * step + boffset] * scale; + float r = ptr[x * step + roffset] * scale; + float max_color = FFMAX3(r, g, b); + float min_color = FFMIN3(r, g, b); + float color_saturation = max_color - min_color; + float luma = g * gc + r * rc + b * bc; + const float cg = 1.f + gintensity * (1.f - sgintensity * color_saturation); + const float cb = 1.f + bintensity * (1.f - sbintensity * color_saturation); + const float cr = 1.f + rintensity * (1.f - srintensity * color_saturation); + + g = lerpf(luma, g, cg); + b = lerpf(luma, b, cb); + r = lerpf(luma, r, cr); + + ptr[x * step + goffset] = av_clip_uint8(g * 255.f); + ptr[x * step + boffset] = av_clip_uint8(b * 255.f); + ptr[x * step + roffset] = av_clip_uint8(r * 255.f); + } + + ptr += linesize; + } + + return 0; +} + +static int vibrance_slice16p(AVFilterContext *avctx, void *arg, int jobnr, int nb_jobs) +{ + VibranceContext *s = avctx->priv; + AVFrame *frame = arg; + const int step = s->step; + const int depth = s->depth; + const float max = (1 << depth) - 1; + const float scale = 1.f / max; + const float gc = s->lcoeffs[0]; + const float bc = s->lcoeffs[1]; + const float rc = s->lcoeffs[2]; + 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 width = frame->width; + const int height = frame->height; + const float intensity = s->intensity; + const float alternate = s->alternate ? 1.f : -1.f; + const float gintensity = intensity * s->balance[0]; + const float bintensity = intensity * s->balance[1]; + const float rintensity = intensity * s->balance[2]; + const float sgintensity = alternate * FFSIGN(gintensity); + const float sbintensity = alternate * FFSIGN(bintensity); + const float srintensity = alternate * FFSIGN(rintensity); + const int slice_start = (height * jobnr) / nb_jobs; + const int slice_end = (height * (jobnr + 1)) / nb_jobs; + const int linesize = frame->linesize[0] / 2; + 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] * scale; + float b = ptr[x * step + boffset] * scale; + float r = ptr[x * step + roffset] * scale; + float max_color = FFMAX3(r, g, b); + float min_color = FFMIN3(r, g, b); + float color_saturation = max_color - min_color; + float luma = g * gc + r * rc + b * bc; + const float cg = 1.f + gintensity * (1.f - sgintensity * color_saturation); + const float cb = 1.f + bintensity * (1.f - sbintensity * color_saturation); + const float cr = 1.f + rintensity * (1.f - srintensity * color_saturation); + + g = lerpf(luma, g, cg); + b = lerpf(luma, b, cb); + r = lerpf(luma, r, cr); + + ptr[x * step + goffset] = av_clip_uintp2_c(g * max, depth); + ptr[x * step + boffset] = av_clip_uintp2_c(b * max, depth); + ptr[x * step + roffset] = av_clip_uintp2_c(r * max, depth); + } + + ptr += linesize; + } + + return 0; +} + static int filter_frame(AVFilterLink *link, AVFrame *frame) { AVFilterContext *avctx = link->dst; @@ -176,10 +295,17 @@ static int filter_frame(AVFilterLink *link, AVFrame *frame) static av_cold int query_formats(AVFilterContext *avctx) { 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 }; @@ -197,9 +323,21 @@ static av_cold int config_input(AVFilterLink *inlink) AVFilterContext *avctx = inlink->dst; VibranceContext *s = avctx->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 ? vibrance_slice8 : vibrance_slice16; + if (!planar) + s->do_slice = s->depth <= 8 ? vibrance_slice8p : vibrance_slice16p; + + ff_fill_rgba_map(s->rgba_map, inlink->format); return 0; }