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avfilter/vf_gblur: add float format support

This commit is contained in:
Paul B Mahol 2021-02-12 21:07:29 +01:00
parent d1802e263c
commit 34922dffca
2 changed files with 19 additions and 4 deletions
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1
libavfilter/gblur.h
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@ -37,6 +37,7 @@ typedef struct GBlurContext {
int steps;
int planes;
int flt;
int depth;
int planewidth[4];
int planeheight[4];

22
libavfilter/vf_gblur.c
View File

@ -25,6 +25,8 @@
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <float.h>
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
@ -157,7 +159,8 @@ static int filter_postscale(AVFilterContext *ctx, void *arg, int jobnr, int nb_j
{
GBlurContext *s = ctx->priv;
ThreadData *td = arg;
const float max = (1 << s->depth) - 1;
const float max = s->flt ? FLT_MAX : (1 << s->depth) - 1;
const float min = s->flt ? -FLT_MAX : 0.f;
const int height = td->height;
const int width = td->width;
const int64_t numpixels = width * (int64_t)height;
@ -169,7 +172,7 @@ static int filter_postscale(AVFilterContext *ctx, void *arg, int jobnr, int nb_j
for (i = slice_start; i < slice_end; i++) {
buffer[i] *= postscale;
buffer[i] = av_clipf(buffer[i], 0.f, max);
buffer[i] = av_clipf(buffer[i], min, max);
}
return 0;
@ -214,6 +217,8 @@ static int query_formats(AVFilterContext *ctx)
AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16,
AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16,
AV_PIX_FMT_GBRPF32, AV_PIX_FMT_GBRAPF32,
AV_PIX_FMT_GRAYF32,
AV_PIX_FMT_NONE
};
@ -233,6 +238,7 @@ static int config_input(AVFilterLink *inlink)
GBlurContext *s = inlink->dst->priv;
s->depth = desc->comp[0].depth;
s->flt = !!(desc->flags & AV_PIX_FMT_FLAG_FLOAT);
s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
s->planewidth[0] = s->planewidth[3] = inlink->w;
s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
@ -303,7 +309,11 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
continue;
}
if (s->depth == 8) {
if (s->flt) {
av_image_copy_plane((uint8_t *)bptr, width * sizeof(float),
in->data[plane], in->linesize[plane],
width * sizeof(float), height);
} else if (s->depth == 8) {
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) {
bptr[x] = src[x];
@ -324,7 +334,11 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
gaussianiir2d(ctx, plane);
bptr = s->buffer;
if (s->depth == 8) {
if (s->flt) {
av_image_copy_plane(out->data[plane], out->linesize[plane],
(uint8_t *)bptr, width * sizeof(float),
width * sizeof(float), height);
} else if (s->depth == 8) {
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) {
dst[x] = bptr[x];