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avfilter/vf_varblur: add float format support

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pull/389/head
Paul B Mahol 2 years ago
parent 57f264e78c
commit 512bba3d1b
1 changed files with 28 additions and 17 deletions
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  1. 45
      libavfilter/vf_varblur.c

45
libavfilter/vf_varblur.c
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@ -39,7 +39,8 @@ typedef struct VarBlurContext {
int planewidth[4];
int planeheight[4];
AVFrame *sat;
uint8_t *sat[4];
int sat_linesize[4];
int nb_planes;
void (*compute_sat)(const uint8_t *ssrc,
@ -90,6 +91,7 @@ static const enum AVPixelFormat pix_fmts[] = {
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_NONE
};
@ -104,7 +106,7 @@ static void compute_sat##depth(const uint8_t *ssrc, \
stype *dst = (stype *)dstp; \
\
linesize /= (depth / 8); \
dst_linesize /= (depth / 2); \
dst_linesize /= sizeof(stype); \
dst += dst_linesize; \
\
for (int y = 0; y < h; y++) { \
@ -122,6 +124,7 @@ static void compute_sat##depth(const uint8_t *ssrc, \
COMPUTE_SAT(uint8_t, uint32_t, 8)
COMPUTE_SAT(uint16_t, uint64_t, 16)
COMPUTE_SAT(float, double, 32)
typedef struct ThreadData {
AVFrame *in, *out, *radius;
@ -144,12 +147,12 @@ static int blur_plane##bits(AVFilterContext *ctx, \
int slice_start, int slice_end) \
{ \
VarBlurContext *s = ctx->priv; \
const int ddepth = s->depth; \
const int ddepth = (bits == 32) ? 1 : s->depth; \
const int dst_linesize = ddst_linesize / (bits / 8); \
const int ptr_linesize = pptr_linesize / (bits / 2); \
const int ptr_linesize = pptr_linesize / sizeof(stype); \
const int rptr_linesize = rrptr_linesize / (bits / 8); \
const type *rptr = (const type *)rrptr + slice_start * rptr_linesize; \
type *dst = (type *)ddst + slice_start * dst_linesize; \
const type *rptr = ((const type *)rrptr) + slice_start * rptr_linesize; \
type *dst = ((type *)ddst) + slice_start * dst_linesize; \
const stype *ptr = (stype *)pptr; \
const float minr = 2.f * s->min_radius + 1.f; \
const float maxr = 2.f * s->max_radius + 1.f; \
@ -182,7 +185,10 @@ static int blur_plane##bits(AVFilterContext *ctx, \
stype p0 = (br + tl - bl - tr) / div; \
stype n0 = (nbr + ntl - nbl - ntr) / ndiv; \
\
dst[x] = av_clip_uintp2_c(lrintf( \
if (bits == 32) \
dst[x] = lerpf(p0, n0, factor); \
else \
dst[x] = av_clip_uintp2_c(lrintf( \
lerpf(p0, n0, factor)), \
ddepth); \
} \
@ -196,6 +202,7 @@ static int blur_plane##bits(AVFilterContext *ctx, \
BLUR_PLANE(uint8_t, uint32_t, 8)
BLUR_PLANE(uint16_t, uint64_t, 16)
BLUR_PLANE(float, double, 32)
static int blur_planes(AVFilterContext *ctx, void *arg,
int jobnr, int nb_jobs)
@ -215,8 +222,8 @@ static int blur_planes(AVFilterContext *ctx, void *arg,
const int dst_linesize = out->linesize[plane];
const uint8_t *rptr = radius->data[plane];
const int rptr_linesize = radius->linesize[plane];
uint8_t *ptr = s->sat->data[plane];
const int ptr_linesize = s->sat->linesize[plane];
uint8_t *ptr = s->sat[plane];
const int ptr_linesize = s->sat_linesize[plane];
const uint8_t *src = in->data[plane];
uint8_t *dst = out->data[plane];
@ -263,8 +270,8 @@ static int blur_frame(AVFilterContext *ctx, AVFrame *in, AVFrame *radius)
const int height = s->planeheight[plane];
const int width = s->planewidth[plane];
const int linesize = in->linesize[plane];
uint8_t *ptr = s->sat->data[plane];
const int ptr_linesize = s->sat->linesize[plane];
uint8_t *ptr = s->sat[plane];
const int ptr_linesize = s->sat_linesize[plane];
const uint8_t *src = in->data[plane];
if (!(s->planes & (1 << plane)))
@ -333,8 +340,8 @@ static int config_output(AVFilterLink *outlink)
outlink->frame_rate = inlink->frame_rate;
s->depth = desc->comp[0].depth;
s->blur_plane = s->depth <= 8 ? blur_plane8 : blur_plane16;
s->compute_sat = s->depth <= 8 ? compute_sat8 : compute_sat16;
s->blur_plane = s->depth <= 8 ? blur_plane8 : s->depth <= 16 ? blur_plane16 : blur_plane32;
s->compute_sat = s->depth <= 8 ? compute_sat8 : s->depth <= 16 ? compute_sat16 : compute_sat32;
s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(outlink->w, desc->log2_chroma_w);
s->planewidth[0] = s->planewidth[3] = outlink->w;
@ -343,9 +350,12 @@ static int config_output(AVFilterLink *outlink)
s->nb_planes = av_pix_fmt_count_planes(outlink->format);
s->sat = ff_get_video_buffer(outlink, (outlink->w + 1) * 4 * ((s->depth + 7) / 8), outlink->h + 1);
if (!s->sat)
return AVERROR(ENOMEM);
for (int p = 0; p < s->nb_planes; p++) {
s->sat_linesize[p] = (outlink->w + 1) * (4 + 4 * (s->depth > 8));
s->sat[p] = av_calloc(s->sat_linesize[p], outlink->h + 1);
if (!s->sat[p])
return AVERROR(ENOMEM);
}
s->fs.on_event = varblur_frame;
if ((ret = ff_framesync_init_dualinput(&s->fs, ctx)) < 0)
@ -362,7 +372,8 @@ static av_cold void uninit(AVFilterContext *ctx)
VarBlurContext *s = ctx->priv;
ff_framesync_uninit(&s->fs);
av_frame_free(&s->sat);
for (int p = 0; p < 4; p++)
av_freep(&s->sat[p]);
}
static const AVFilterPad varblur_inputs[] = {

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