[FFmpeg-cvslog] avfilter/vf_colortemperature: add gbr(a)pf support

[Paul B Mahol]

ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Sun Nov 12 02:37:04 2023 +0100| [3ff811a41fd5fb53d7fb0a576a9a07ce10bed135] | committer: Paul B Mahol

avfilter/vf_colortemperature: add gbr(a)pf support

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3ff811a41fd5fb53d7fb0a576a9a07ce10bed135
---

 libavfilter/vf_colortemperature.c | 44 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/libavfilter/vf_colortemperature.c b/libavfilter/vf_colortemperature.c
index a44dd08004..b06b04e704 100644
--- a/libavfilter/vf_colortemperature.c
+++ b/libavfilter/vf_colortemperature.c
@@ -183,6 +183,47 @@ static int temperature_slice16(AVFilterContext *ctx, void *arg, int jobnr, int n
     return 0;
 }
 
+static int temperature_slice32(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
+{
+    ColorTemperatureContext *s = ctx->priv;
+    AVFrame *frame = arg;
+    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 int slice_start = (height * jobnr) / nb_jobs;
+    const int slice_end = (height * (jobnr + 1)) / nb_jobs;
+    const ptrdiff_t glinesize = frame->linesize[0] / sizeof(float);
+    const ptrdiff_t blinesize = frame->linesize[1] / sizeof(float);
+    const ptrdiff_t rlinesize = frame->linesize[2] / sizeof(float);
+    float *gptr = (float *)frame->data[0] + slice_start * glinesize;
+    float *bptr = (float *)frame->data[1] + slice_start * blinesize;
+    float *rptr = (float *)frame->data[2] + slice_start * rlinesize;
+
+    for (int y = slice_start; y < slice_end; y++) {
+        for (int x = 0; x < width; x++) {
+            float g = gptr[x];
+            float b = bptr[x];
+            float r = rptr[x];
+            float nr, ng, nb;
+            float l0, l1, l;
+
+            PROCESS()
+
+            gptr[x] = ng;
+            bptr[x] = nb;
+            rptr[x] = nr;
+        }
+
+        gptr += glinesize;
+        bptr += blinesize;
+        rptr += rlinesize;
+    }
+
+    return 0;
+}
+
 static int temperature_slice8p(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
 {
     ColorTemperatureContext *s = ctx->priv;
@@ -285,6 +326,7 @@ static const enum AVPixelFormat pixel_fmts[] = {
     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_GBRPF32, AV_PIX_FMT_GBRAPF32,
     AV_PIX_FMT_RGB48,  AV_PIX_FMT_BGR48,
     AV_PIX_FMT_RGBA64, AV_PIX_FMT_BGRA64,
     AV_PIX_FMT_NONE
@@ -308,6 +350,8 @@ static av_cold int config_input(AVFilterLink *inlink)
     s->do_slice = s->depth <= 8 ? temperature_slice8 : temperature_slice16;
     if (!planar)
         s->do_slice = s->depth <= 8 ? temperature_slice8p : temperature_slice16p;
+    if (s->depth == 32)
+        s->do_slice = temperature_slice32;
 
     ff_fill_rgba_map(s->rgba_map, inlink->format);