From ee792ebe08591f660ee956dc752efd2b71ab2ea9 Mon Sep 17 00:00:00 2001 From: Limin Wang Date: Mon, 14 Oct 2019 18:27:05 +0800 Subject: [PATCH] avfilter/vf_unsharp: add 10bit support Signed-off-by: Limin Wang --- libavfilter/unsharp.h | 3 + libavfilter/vf_unsharp.c | 162 +++++++++++++++++++++------------------ 2 files changed, 90 insertions(+), 75 deletions(-) diff --git a/libavfilter/unsharp.h b/libavfilter/unsharp.h index a60b30f31a..253e32dd19 100644 --- a/libavfilter/unsharp.h +++ b/libavfilter/unsharp.h @@ -48,9 +48,12 @@ typedef struct UnsharpContext { UnsharpFilterParam luma; ///< luma parameters (width, height, amount) UnsharpFilterParam chroma; ///< chroma parameters (width, height, amount) int hsub, vsub; + int bitdepth; + int bps; int nb_threads; int opencl; int (* apply_unsharp)(AVFilterContext *ctx, AVFrame *in, AVFrame *out); + int (* unsharp_slice)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs); } UnsharpContext; #endif /* AVFILTER_UNSHARP_H */ diff --git a/libavfilter/vf_unsharp.c b/libavfilter/vf_unsharp.c index 7b430b650d..416bf1c269 100644 --- a/libavfilter/vf_unsharp.c +++ b/libavfilter/vf_unsharp.c @@ -57,81 +57,90 @@ typedef struct TheadData { int height; } ThreadData; -static int unsharp_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) -{ - ThreadData *td = arg; - UnsharpFilterParam *fp = td->fp; - uint32_t **sc = fp->sc; - uint32_t *sr = fp->sr; - const uint8_t *src2 = NULL; //silence a warning - const int amount = fp->amount; - const int steps_x = fp->steps_x; - const int steps_y = fp->steps_y; - const int scalebits = fp->scalebits; - const int32_t halfscale = fp->halfscale; - - uint8_t *dst = td->dst; - const uint8_t *src = td->src; - const int dst_stride = td->dst_stride; - const int src_stride = td->src_stride; - const int width = td->width; - const int height = td->height; - const int sc_offset = jobnr * 2 * steps_y; - const int sr_offset = jobnr * (MAX_MATRIX_SIZE - 1); - const int slice_start = (height * jobnr) / nb_jobs; - const int slice_end = (height * (jobnr+1)) / nb_jobs; - - int32_t res; - int x, y, z; - uint32_t tmp1, tmp2; - - if (!amount) { - av_image_copy_plane(dst + slice_start * dst_stride, dst_stride, - src + slice_start * src_stride, src_stride, - width, slice_end - slice_start); - return 0; - } - - for (y = 0; y < 2 * steps_y; y++) - memset(sc[sc_offset + y], 0, sizeof(sc[y][0]) * (width + 2 * steps_x)); - - // if this is not the first tile, we start from (slice_start - steps_y), - // so we can get smooth result at slice boundary - if (slice_start > steps_y) { - src += (slice_start - steps_y) * src_stride; - dst += (slice_start - steps_y) * dst_stride; - } - - for (y = -steps_y + slice_start; y < steps_y + slice_end; y++) { - if (y < height) - src2 = src; - - memset(sr + sr_offset, 0, sizeof(sr[0]) * (2 * steps_x - 1)); - for (x = -steps_x; x < width + steps_x; x++) { - tmp1 = x <= 0 ? src2[0] : x >= width ? src2[width-1] : src2[x]; - for (z = 0; z < steps_x * 2; z += 2) { - tmp2 = sr[sr_offset + z + 0] + tmp1; sr[sr_offset + z + 0] = tmp1; - tmp1 = sr[sr_offset + z + 1] + tmp2; sr[sr_offset + z + 1] = tmp2; - } - for (z = 0; z < steps_y * 2; z += 2) { - tmp2 = sc[sc_offset + z + 0][x + steps_x] + tmp1; sc[sc_offset + z + 0][x + steps_x] = tmp1; - tmp1 = sc[sc_offset + z + 1][x + steps_x] + tmp2; sc[sc_offset + z + 1][x + steps_x] = tmp2; - } - if (x >= steps_x && y >= (steps_y + slice_start)) { - const uint8_t *srx = src - steps_y * src_stride + x - steps_x; - uint8_t *dsx = dst - steps_y * dst_stride + x - steps_x; - - res = (int32_t)*srx + ((((int32_t) * srx - (int32_t)((tmp1 + halfscale) >> scalebits)) * amount) >> 16); - *dsx = av_clip_uint8(res); - } - } - if (y >= 0) { - dst += dst_stride; - src += src_stride; - } - } - return 0; +#define DEF_UNSHARP_SLICE_FUNC(name, nbits) \ +static int name##_##nbits(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) \ +{ \ + ThreadData *td = arg; \ + UnsharpFilterParam *fp = td->fp; \ + UnsharpContext *s = ctx->priv; \ + uint32_t **sc = fp->sc; \ + uint32_t *sr = fp->sr; \ + const uint##nbits##_t *src2 = NULL; \ + const int amount = fp->amount; \ + const int steps_x = fp->steps_x; \ + const int steps_y = fp->steps_y; \ + const int scalebits = fp->scalebits; \ + const int32_t halfscale = fp->halfscale; \ + \ + uint##nbits##_t *dst = (uint##nbits##_t*)td->dst; \ + const uint##nbits##_t *src = (const uint##nbits##_t *)td->src; \ + int dst_stride = td->dst_stride; \ + int src_stride = td->src_stride; \ + const int width = td->width; \ + const int height = td->height; \ + const int sc_offset = jobnr * 2 * steps_y; \ + const int sr_offset = jobnr * (MAX_MATRIX_SIZE - 1); \ + const int slice_start = (height * jobnr) / nb_jobs; \ + const int slice_end = (height * (jobnr+1)) / nb_jobs; \ + \ + int32_t res; \ + int x, y, z; \ + uint32_t tmp1, tmp2; \ + \ + if (!amount) { \ + av_image_copy_plane(td->dst + slice_start * dst_stride, dst_stride, \ + td->src + slice_start * src_stride, src_stride, \ + width * s->bps, slice_end - slice_start); \ + return 0; \ + } \ + \ + for (y = 0; y < 2 * steps_y; y++) \ + memset(sc[sc_offset + y], 0, sizeof(sc[y][0]) * (width + 2 * steps_x)); \ + \ + dst_stride = dst_stride / s->bps; \ + src_stride = src_stride / s->bps; \ + /* if this is not the first tile, we start from (slice_start - steps_y) */ \ + /* so we can get smooth result at slice boundary */ \ + if (slice_start > steps_y) { \ + src += (slice_start - steps_y) * src_stride; \ + dst += (slice_start - steps_y) * dst_stride; \ + } \ + \ + for (y = -steps_y + slice_start; y < steps_y + slice_end; y++) { \ + if (y < height) \ + src2 = src; \ + \ + memset(sr + sr_offset, 0, sizeof(sr[0]) * (2 * steps_x - 1)); \ + for (x = -steps_x; x < width + steps_x; x++) { \ + tmp1 = x <= 0 ? src2[0] : x >= width ? src2[width-1] : src2[x]; \ + for (z = 0; z < steps_x * 2; z += 2) { \ + tmp2 = sr[sr_offset + z + 0] + tmp1; sr[sr_offset + z + 0] = tmp1; \ + tmp1 = sr[sr_offset + z + 1] + tmp2; sr[sr_offset + z + 1] = tmp2; \ + } \ + for (z = 0; z < steps_y * 2; z += 2) { \ + tmp2 = sc[sc_offset + z + 0][x + steps_x] + tmp1; \ + sc[sc_offset + z + 0][x + steps_x] = tmp1; \ + tmp1 = sc[sc_offset + z + 1][x + steps_x] + tmp2; \ + sc[sc_offset + z + 1][x + steps_x] = tmp2; \ + } \ + if (x >= steps_x && y >= (steps_y + slice_start)) { \ + const uint##nbits##_t *srx = src - steps_y * src_stride + x - steps_x; \ + uint##nbits##_t *dsx = dst - steps_y * dst_stride + x - steps_x; \ + \ + res = (int32_t)*srx + ((((int32_t) * srx - \ + (int32_t)((tmp1 + halfscale) >> scalebits)) * amount) >> (8+nbits)); \ + *dsx = av_clip_uint##nbits(res); \ + } \ + } \ + if (y >= 0) { \ + dst += dst_stride; \ + src += src_stride; \ + } \ + } \ + return 0; \ } +DEF_UNSHARP_SLICE_FUNC(unsharp_slice, 16); +DEF_UNSHARP_SLICE_FUNC(unsharp_slice, 8); static int apply_unsharp_c(AVFilterContext *ctx, AVFrame *in, AVFrame *out) { @@ -155,7 +164,7 @@ static int apply_unsharp_c(AVFilterContext *ctx, AVFrame *in, AVFrame *out) td.height = plane_h[i]; td.dst_stride = out->linesize[i]; td.src_stride = in->linesize[i]; - ctx->internal->execute(ctx, unsharp_slice, &td, NULL, FFMIN(plane_h[i], s->nb_threads)); + ctx->internal->execute(ctx, s->unsharp_slice, &td, NULL, FFMIN(plane_h[i], s->nb_threads)); } return 0; } @@ -238,6 +247,9 @@ static int config_input(AVFilterLink *inlink) s->hsub = desc->log2_chroma_w; s->vsub = desc->log2_chroma_h; + s->bitdepth = desc->comp[0].depth; + s->bps = s->bitdepth > 8 ? 2 : 1; + s->unsharp_slice = s->bitdepth > 8 ? unsharp_slice_16 : unsharp_slice_8; // ensure (height / nb_threads) > 4 * steps_y, // so that we don't have too much overlap between two threads