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[79.124.17.100]) by mx.google.com with ESMTP id 38308e7fff4ca-2f4047cd294si13546501fa.198.2024.08.23.10.35.03; Fri, 23 Aug 2024 10:35:03 -0700 (PDT) Received-SPF: pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) client-ip=79.124.17.100; Authentication-Results: mx.google.com; dkim=neutral (body hash did not verify) header.i=@gmail.com header.s=20230601 header.b=g1MKI+wv; spf=pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) smtp.mailfrom=ffmpeg-devel-bounces@ffmpeg.org; dmarc=fail (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com; dara=fail header.i=@gmail.com Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 5544268DC44; Fri, 23 Aug 2024 20:24:29 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-pj1-f46.google.com (mail-pj1-f46.google.com [209.85.216.46]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id F26CD68D9E2 for ; Fri, 23 Aug 2024 20:24:21 +0300 (EEST) Received: by mail-pj1-f46.google.com with SMTP id 98e67ed59e1d1-2d3b36f5366so1654126a91.0 for ; Fri, 23 Aug 2024 10:24:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1724433860; x=1725038660; darn=ffmpeg.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=abh9g8WJftzlFMb7R9dl7dl2Ft7jUIi3t0+ERKVGSko=; b=g1MKI+wv9HGOlXLvPtEfTOEBAp2NfijBQk4cGMC4Go+bTYVFsYzqKl03yxUDh5exL7 flpt+9CmUt6FQIDV6TOqSL+zA2g+rxRhmpi7gwY3ALYRCXuw0bigmbQNk9MwuG/52jBm rc0O2fsYKpxAyEDNkMO/S6xnuvbgk3zoobbWW3xG9OtRnwM9iCQg1f5uvgaO1wqhj5K2 ovi6euYzM6a1ADCqef1AutA3piKHY0S1Mi6OVSKueu4jv+vmxBhRW+DKdvSxRmyzR3Uk oH/W1uEkP0lDep97BK5C+b4lk8Gk+2wSTUckTwKi2CSvN0mu4u3qsr9KIXk5TgiyhAGJ hFog== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724433860; x=1725038660; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=abh9g8WJftzlFMb7R9dl7dl2Ft7jUIi3t0+ERKVGSko=; b=wdbzhKay72uIZlGc6yJSGZ+20VgMYwxgW4lfsaed7wfNJovjdY64RL9fDtr1gTVjtV JDN5xMi2Y8AGQrG/MuZXXcFRpLgovdfY1hga7x1aok4GhzS5zQwv1ocELYORJpeodT8V 6cD4agfubzGjfq1oogb6dMO1V8YabYBNV2ln/4xwvs22Am+hrmBCFD9AjWqtDB4/r4x6 EGciqyOPubixO2pXmQjO6E9KE9R8htAkUXaN8ilzzoCXVTU+Zf0Bpf0fZGBjbLNCPRMz somasV0BA4paCOnzoc4ijSdYdHcnppieLzYCqNzocJih8vz3sP0IZaF10nqht6A4cvSG tV/w== X-Gm-Message-State: AOJu0YzPnQsEYKbWaFSa//f/iqgzFKpfZZiDXpyqJgl+BQJhctJpJIpw eq+g+SesloPgP+Cd/SG6GuXUeFc+HItEgGZrccuD7pB5MlFyuvyU27U0Cg== X-Received: by 2002:a17:90a:bc83:b0:2c9:e24d:bbaa with SMTP id 98e67ed59e1d1-2d646d37f3bmr3166961a91.27.1724433859455; Fri, 23 Aug 2024 10:24:19 -0700 (PDT) Received: from KOSS-server.0xgdoau1yfnebo2q4ljtgdjnrd.rx.internal.cloudapp.net ([20.197.21.123]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2d5eb8d237asm6784727a91.4.2024.08.23.10.24.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Aug 2024 10:24:19 -0700 (PDT) From: Rajiv Harlalka To: ffmpeg-devel@ffmpeg.org Date: Fri, 23 Aug 2024 17:23:58 +0000 Message-Id: <20240823172400.268575-1-rajivharlalka009@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Subject: [FFmpeg-devel] [PATCH v3 1/3] avfilter: add pu21 filter X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Cc: Rajiv Harlalka , cosmin@cosmin.at, thilo.borgmann@googlemail.com Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" X-TUID: lNAA+TCCphLl Adds the PU21 encoding filter for high dynamic range images and video quality assessment Mantiuk, R., & Azimi, M. PU21: A novel perceptually uniform encoding for adapting existing quality metrics for HDR https://github.com/gfxdisp/pu21 Signed-off-by: Rajiv Harlalka --- Changelog | 1 + libavfilter/Makefile | 1 + libavfilter/allfilters.c | 1 + libavfilter/version.h | 4 +- libavfilter/vf_pu21.c | 210 +++++++++++++++++++++++++++++++++++++++ 5 files changed, 215 insertions(+), 2 deletions(-) create mode 100644 libavfilter/vf_pu21.c diff --git a/Changelog b/Changelog index 571b27ad98..552aa6028a 100644 --- a/Changelog +++ b/Changelog @@ -18,6 +18,7 @@ version : - D3D12VA HEVC encoder - Cropping metadata parsing and writing in Matroska and MP4/MOV de/muxers - Intel QSV-accelerated VVC decoding +- Addition of vf_pu21 encoding filter version 7.0: diff --git a/libavfilter/Makefile b/libavfilter/Makefile index 63088e9286..102315f5bf 100644 --- a/libavfilter/Makefile +++ b/libavfilter/Makefile @@ -121,6 +121,7 @@ OBJS-$(CONFIG_AXCORRELATE_FILTER) += af_axcorrelate.o OBJS-$(CONFIG_AZMQ_FILTER) += f_zmq.o OBJS-$(CONFIG_BANDPASS_FILTER) += af_biquads.o OBJS-$(CONFIG_BANDREJECT_FILTER) += af_biquads.o +OBJS-$(CONFIG_PU21_FILTER) += vf_pu21.o OBJS-$(CONFIG_BASS_FILTER) += af_biquads.o OBJS-$(CONFIG_BIQUAD_FILTER) += af_biquads.o OBJS-$(CONFIG_BS2B_FILTER) += af_bs2b.o diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c index 63600e9b58..ced076626c 100644 --- a/libavfilter/allfilters.c +++ b/libavfilter/allfilters.c @@ -231,6 +231,7 @@ extern const AVFilter ff_vf_convolution_opencl; extern const AVFilter ff_vf_convolve; extern const AVFilter ff_vf_copy; extern const AVFilter ff_vf_coreimage; +extern const AVFilter ff_vf_pu21; extern const AVFilter ff_vf_corr; extern const AVFilter ff_vf_cover_rect; extern const AVFilter ff_vf_crop; diff --git a/libavfilter/version.h b/libavfilter/version.h index d8cd8a2cfb..7e0eb9af97 100644 --- a/libavfilter/version.h +++ b/libavfilter/version.h @@ -31,8 +31,8 @@ #include "version_major.h" -#define LIBAVFILTER_VERSION_MINOR 2 -#define LIBAVFILTER_VERSION_MICRO 102 +#define LIBAVFILTER_VERSION_MINOR 3 +#define LIBAVFILTER_VERSION_MICRO 100 #define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \ diff --git a/libavfilter/vf_pu21.c b/libavfilter/vf_pu21.c new file mode 100644 index 0000000000..c3b56f9c1b --- /dev/null +++ b/libavfilter/vf_pu21.c @@ -0,0 +1,210 @@ + +#include "libavfilter/avfilter.h" +#include "libavutil/opt.h" +#include "libavutil/pixdesc.h" +#include "libavutil/mem.h" +#include "libavutil/imgutils.h" +#include "libavfilter/formats.h" +#include "libavutil/internal.h" +#include "video.h" + +static enum pu21_mode { + BANDING, + BANDING_GLARE, + PEAKS, + PEAKS_GLARE +}; + +typedef struct PU21Context { + const AVClass* class; + double L_min, L_max; + int multiplier; + int mode; + + int depth; + int nb_planes; +} PU21Context; + +const float pu21_params[4][7] = { + // Reference: "PU21: A novel perceptually uniform encoding for adapting existing quality metrics for HDR" + // Rafał K. Mantiuk and M. Azimi, Picture Coding Symposium 2021 + // https://github.com/gfxdisp/pu21 + {1.070275272f, 0.4088273932f, 0.153224308f, 0.2520326168f, 1.063512885f, 1.14115047f, 521.4527484f}, // BANDING + {0.353487901f, 0.3734658629f, 8.277049286e-05f, 0.9062562627f, 0.09150303166f, 0.9099517204f, 596.3148142f}, // BANDING_GLARE + {1.043882782f, 0.6459495343f, 0.3194584211f, 0.374025247f, 1.114783422f, 1.095360363f, 384.9217577f}, // PEAKS + {816.885024f, 1479.463946f, 0.001253215609f, 0.9329636822f, 0.06746643971f, 1.573435413f, 419.6006374f} // PEAKS_GLARE +}; + + +#define OFFSET(x) offsetof(PU21Context, x) +#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM +static const AVOption pu21_options[] = { + { "L_min", "Set the minimum luminance value", OFFSET(L_min), AV_OPT_TYPE_DOUBLE, {.dbl = 0.005}, 0.005, 10000, FLAGS }, + { "L_max", "Set the maximum luminance value", OFFSET(L_max), AV_OPT_TYPE_DOUBLE, {.dbl = 10000}, 0.005, 10000, FLAGS }, + { "multiplier", "Set the parameters for the encoding", OFFSET(multiplier), AV_OPT_TYPE_INT, {.i64 = 1}, 1, 10000, FLAGS}, + { "mode", "Set the mode of the PU21 encoding", OFFSET(mode), AV_OPT_TYPE_INT, {.i64 = BANDING_GLARE}, BANDING, PEAKS_GLARE, FLAGS}, + { NULL } +}; + +AVFILTER_DEFINE_CLASS(pu21); + +static av_cold int pu21_init(AVFilterContext* ctx) { + PU21Context* pu21 = ctx->priv; + + pu21->L_max = 300; + pu21->L_min = 0.005; + pu21->multiplier = 1; + pu21->mode = BANDING_GLARE; + return 0; +} + +static float apply_pu21(float pixel_val, PU21Context* pu21) { + float Y, V; + Y = pixel_val * (pu21->multiplier); + V = fmax(pu21_params[pu21->mode][6] * (pow((pu21_params[pu21->mode][0] + pu21_params[pu21->mode][1] * pow(Y, pu21_params[pu21->mode][3])) / (1 + pu21_params[pu21->mode][2] * pow(Y, pu21_params[pu21->mode][3])), pu21_params[pu21->mode][4]) - pu21_params[pu21->mode][5]), 0); + return V; +} + +static void pu21_encode8(AVFilterContext* ctx, AVFrame* in, AVFrame* out) { + PU21Context* pu21 = ctx->priv; + const int height = in->height; + const int width = in->width; + + int plane; + for (plane = 0; plane < pu21->nb_planes; plane++) { + const uint8_t* src8 = in->data[plane]; + uint8_t* dst8 = out->data[plane]; + + int linesize = in->linesize[plane]; + + uint8_t pixel_val; + for (int y = 0; y < height; y++) { + for (int x = 0; x < width; x++) { + pixel_val = src8[y * linesize + x]; + dst8[y * linesize + x] = (uint8_t)apply_pu21(pixel_val, pu21); + } + } + } +} + +static void pu21_encode16(AVFilterContext* ctx, AVFrame* in, AVFrame* out) { + PU21Context* pu21 = ctx->priv; + const int height = in->height; + const int width = in->width; + + int plane; + for (plane = 0; plane < pu21->nb_planes; plane++) { + const uint16_t* src16 = (uint16_t*)in->data[plane]; + uint16_t* dst16 = (uint16_t*)out->data[plane]; + + int linesize = in->linesize[plane] / 2; + + uint16_t pixel_val; + for (int y = 0; y < height; y++) { + for (int x = 0; x < width; x++) { + pixel_val = src16[y * linesize + x]; + dst16[y * linesize + x] = (uint16_t)apply_pu21(pixel_val, pu21); + } + } + } +} + +static void pu21_encode32(AVFilterContext* ctx, AVFrame* in, AVFrame* out) { + PU21Context* pu21 = ctx->priv; + const int height = in->height; + const int width = in->width; + + int plane; + for (plane = 0; plane < pu21->nb_planes; plane++) { + const float* src32 = (float*)in->data[plane]; + float* dst32 = (float*)out->data[plane]; + + int linesize = in->linesize[plane] / 4; + + float pixel_val; + for (int y = 0; y < height; y++) { + for (int x = 0; x < width; x++) { + pixel_val = src32[y * linesize + x]; + dst32[y * linesize + x] = (float)apply_pu21(pixel_val, pu21); + } + } + } +} + +static int filter_frame(AVFilterLink* inlink, AVFrame* input) { + AVFilterContext* ctx = inlink->dst; + PU21Context* pu21 = ctx->priv; + + AVFilterLink* outlink = ctx->outputs[0]; + AVFrame* out; + + if (av_frame_is_writable(input)) { + out = input; + } + else { + out = ff_get_video_buffer(outlink, outlink->w, outlink->h); + if (!out) { + av_frame_free(&input); + return AVERROR(ENOMEM); + } + av_frame_copy_props(out, input); + } + + if (pu21->depth <= 8) { + pu21_encode8(ctx, input, out); + } + else if (pu21->depth <= 16) { + pu21_encode16(ctx, input, out); + } + else { + pu21_encode32(ctx, input, out); + } + + if (out != input) + av_frame_free(&input); + return ff_filter_frame(outlink, out); +} + +static av_cold void uninit(AVFilterContext* ctx) { + PU21Context* s = ctx->priv; +} + +static int config_input(AVFilterLink* inlink) { + const AVPixFmtDescriptor* desc = av_pix_fmt_desc_get(inlink->format); + PU21Context* s = inlink->dst->priv; + + uninit(inlink->dst); + + s->depth = desc->comp[0].depth; + s->nb_planes = av_pix_fmt_count_planes(inlink->format); + + return 0; +} + +static const AVFilterPad pu21_inputs[] = { + { + .name = "default", + .type = AVMEDIA_TYPE_VIDEO, + .config_props = config_input, + .filter_frame = filter_frame, + } +}; + +static const AVFilterPad pu21_outputs[] = { + { + .name = "default", + .type = AVMEDIA_TYPE_VIDEO, + } +}; + +const AVFilter ff_vf_pu21 = { + .name = "pu21", + .description = NULL_IF_CONFIG_SMALL("Convert HDR linear values to PU values using PU21 transform"), + .priv_size = sizeof(PU21Context), + .init = pu21_init, + .uninit = uninit, + FILTER_INPUTS(pu21_inputs), + FILTER_OUTPUTS(pu21_outputs), + .priv_class = &pu21_class, + .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC, +}; 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} -static av_cold void uninit(AVFilterContext* ctx) { - PU21Context* s = ctx->priv; -} +static av_cold void uninit(AVFilterContext* ctx) {} static int config_input(AVFilterLink* inlink) { const AVPixFmtDescriptor* desc = av_pix_fmt_desc_get(inlink->format); From patchwork Fri Aug 23 17:24:00 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rajiv Harlalka X-Patchwork-Id: 51127 Delivered-To: ffmpegpatchwork2@gmail.com Received: by 2002:a59:b3c7:0:b0:48e:c0f8:d0de with SMTP id g7csp497084vqt; Fri, 23 Aug 2024 10:35:05 -0700 (PDT) X-Forwarded-Encrypted: i=2; AJvYcCUreq3IEBNcM/9aZLPxgWxGBnbvxWj3p6Yt+PMsQEfX0yoE8eomQ6os/VAXBNbXmPB+8RSIcmfetxMViAAVebYJ@gmail.com X-Google-Smtp-Source: AGHT+IGvz3/oZFbfrZUnbWpcKJuTmLuNor/RRhAW8EdTJpUnig5wL5YZKYfsjurTaCYbclM5oW8h X-Received: by 2002:a2e:9642:0:b0:2f3:994e:d68b with SMTP id 38308e7fff4ca-2f4f4942654mr19742051fa.47.1724434505256; Fri, 23 Aug 2024 10:35:05 -0700 (PDT) ARC-Seal: i=1; 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See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ #include "libavfilter/avfilter.h" #include "libavutil/opt.h"