[FFmpeg-cvslog] avfilter/sharpen_npp: add sharpening video filter with borders control
Roman Arzumanyan
git at videolan.org
Thu Oct 7 19:09:29 EEST 2021
ffmpeg | branch: master | Roman Arzumanyan <rarzumanyan at nvidia.com> | Mon Sep 6 14:26:27 2021 +0300| [ed084161baaa056545d8c5d9d27feac254081f93] | committer: Timo Rothenpieler
avfilter/sharpen_npp: add sharpening video filter with borders control
Signed-off-by: Timo Rothenpieler <timo at rothenpieler.org>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ed084161baaa056545d8c5d9d27feac254081f93
---
configure | 5 +-
doc/filters.texi | 17 +++
libavfilter/Makefile | 1 +
libavfilter/allfilters.c | 1 +
libavfilter/vf_sharpen_npp.c | 280 +++++++++++++++++++++++++++++++++++++++++++
5 files changed, 302 insertions(+), 2 deletions(-)
diff --git a/configure b/configure
index 231d0398a8..5e630e6e5d 100755
--- a/configure
+++ b/configure
@@ -3094,6 +3094,7 @@ thumbnail_cuda_filter_deps_any="cuda_nvcc cuda_llvm"
transpose_npp_filter_deps="ffnvcodec libnpp"
overlay_cuda_filter_deps="ffnvcodec"
overlay_cuda_filter_deps_any="cuda_nvcc cuda_llvm"
+sharpen_npp_filter_deps="ffnvcodec libnpp"
amf_deps_any="libdl LoadLibrary"
nvenc_deps="ffnvcodec"
@@ -6444,8 +6445,8 @@ enabled libmodplug && require_pkg_config libmodplug libmodplug libmodplug
enabled libmp3lame && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame $libm_extralibs
enabled libmysofa && { check_pkg_config libmysofa libmysofa mysofa.h mysofa_neighborhood_init_withstepdefine ||
require libmysofa mysofa.h mysofa_neighborhood_init_withstepdefine -lmysofa $zlib_extralibs; }
-enabled libnpp && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc -lnppidei ||
- check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc -lnppidei ||
+enabled libnpp && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc -lnppidei -lnppif ||
+ check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppif -lnppc -lnppidei ||
die "ERROR: libnpp not found"; }
enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb
enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb
diff --git a/doc/filters.texi b/doc/filters.texi
index 1994467f46..ca9203d02d 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -18925,6 +18925,23 @@ Keep the same colorspace property (default).
@end table
@end table
+ at section sharpen_npp
+Use the NVIDIA Performance Primitives (libnpp) to perform image sharpening with
+border control.
+
+The following additional options are accepted:
+ at table @option
+
+ at item border_type
+Type of sampling to be used ad frame borders. One of the following:
+ at table @option
+
+ at item replicate
+Replicate pixel values.
+
+ at end table
+ at end table
+
@section shear
Apply shear transform to input video.
diff --git a/libavfilter/Makefile b/libavfilter/Makefile
index dbd8685791..fabe9c9af0 100644
--- a/libavfilter/Makefile
+++ b/libavfilter/Makefile
@@ -427,6 +427,7 @@ OBJS-$(CONFIG_SETPTS_FILTER) += setpts.o
OBJS-$(CONFIG_SETRANGE_FILTER) += vf_setparams.o
OBJS-$(CONFIG_SETSAR_FILTER) += vf_aspect.o
OBJS-$(CONFIG_SETTB_FILTER) += settb.o
+OBJS-$(CONFIG_SHARPEN_NPP_FILTER) += vf_sharpen_npp.o
OBJS-$(CONFIG_SHARPNESS_VAAPI_FILTER) += vf_misc_vaapi.o vaapi_vpp.o
OBJS-$(CONFIG_SHEAR_FILTER) += vf_shear.o
OBJS-$(CONFIG_SHOWINFO_FILTER) += vf_showinfo.o
diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c
index 761c261005..ad50a8bc5d 100644
--- a/libavfilter/allfilters.c
+++ b/libavfilter/allfilters.c
@@ -408,6 +408,7 @@ extern const AVFilter ff_vf_setpts;
extern const AVFilter ff_vf_setrange;
extern const AVFilter ff_vf_setsar;
extern const AVFilter ff_vf_settb;
+extern const AVFilter ff_vf_sharpen_npp;
extern const AVFilter ff_vf_sharpness_vaapi;
extern const AVFilter ff_vf_shear;
extern const AVFilter ff_vf_showinfo;
diff --git a/libavfilter/vf_sharpen_npp.c b/libavfilter/vf_sharpen_npp.c
new file mode 100644
index 0000000000..cfd75e51c5
--- /dev/null
+++ b/libavfilter/vf_sharpen_npp.c
@@ -0,0 +1,280 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 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
+ */
+
+/**
+ * @file
+ * NPP sharpen video filter
+ */
+
+#include <nppi.h>
+#include <nppi_filtering_functions.h>
+
+#include "internal.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/cuda_check.h"
+#include "libavutil/hwcontext.h"
+#include "libavutil/hwcontext_cuda_internal.h"
+#include "libavutil/opt.h"
+
+#define CHECK_CU(x) FF_CUDA_CHECK_DL(ctx, device_hwctx->internal->cuda_dl, x)
+
+static const enum AVPixelFormat supported_formats[] = {
+ AV_PIX_FMT_YUV420P,
+ AV_PIX_FMT_YUV444P,
+};
+
+typedef struct NPPSharpenContext {
+ const AVClass* class;
+
+ AVBufferRef* frames_ctx;
+ AVFrame* own_frame;
+ AVFrame* tmp_frame;
+
+ NppiBorderType border_type;
+} NPPSharpenContext;
+
+static int nppsharpen_init(AVFilterContext* ctx)
+{
+ NPPSharpenContext* s = ctx->priv;
+
+ s->own_frame = av_frame_alloc();
+ if (!s->own_frame)
+ goto fail;
+
+ s->tmp_frame = av_frame_alloc();
+ if (!s->tmp_frame)
+ goto fail;
+
+ return 0;
+
+fail:
+ av_frame_free(&s->own_frame);
+ av_frame_free(&s->tmp_frame);
+ return AVERROR(ENOMEM);
+}
+
+static int nppsharpen_config(AVFilterContext* ctx, int width, int height)
+{
+ NPPSharpenContext* s = ctx->priv;
+ AVHWFramesContext *out_ctx, *in_ctx;
+ int i, ret, supported_format = 0;
+
+ if (!ctx->inputs[0]->hw_frames_ctx) {
+ av_log(ctx, AV_LOG_ERROR, "No hw context provided on input\n");
+ goto fail;
+ }
+
+ in_ctx = (AVHWFramesContext*)ctx->inputs[0]->hw_frames_ctx->data;
+
+ s->frames_ctx = av_hwframe_ctx_alloc(in_ctx->device_ref);
+ if (!s->frames_ctx)
+ goto fail;
+
+ out_ctx = (AVHWFramesContext*)s->frames_ctx->data;
+ out_ctx->format = AV_PIX_FMT_CUDA;
+ out_ctx->sw_format = in_ctx->sw_format;
+ out_ctx->width = FFALIGN(width, 32);
+ out_ctx->height = FFALIGN(height, 32);
+
+ for (i = 0; i < FF_ARRAY_ELEMS(supported_formats); i++) {
+ if (in_ctx->sw_format == supported_formats[i]) {
+ supported_format = 1;
+ break;
+ }
+ }
+
+ if (!supported_format) {
+ av_log(ctx, AV_LOG_ERROR, "Unsupported pixel format\n");
+ goto fail;
+ }
+
+ ret = av_hwframe_ctx_init(s->frames_ctx);
+ if (ret < 0)
+ goto fail;
+
+ ret = av_hwframe_get_buffer(s->frames_ctx, s->own_frame, 0);
+ if (ret < 0)
+ goto fail;
+
+ ctx->outputs[0]->hw_frames_ctx = av_buffer_ref(s->frames_ctx);
+ if (!ctx->outputs[0]->hw_frames_ctx)
+ goto fail;
+
+ return 0;
+
+fail:
+ av_buffer_unref(&s->frames_ctx);
+ return AVERROR(ENOMEM);
+}
+
+static void nppsharpen_uninit(AVFilterContext* ctx)
+{
+ NPPSharpenContext* s = ctx->priv;
+
+ av_buffer_unref(&s->frames_ctx);
+ av_frame_free(&s->own_frame);
+ av_frame_free(&s->tmp_frame);
+}
+
+static int nppsharpen_query_formats(AVFilterContext* ctx)
+{
+ static const enum AVPixelFormat pixel_formats[] = {
+ AV_PIX_FMT_CUDA,
+ AV_PIX_FMT_NONE,
+ };
+ return ff_set_common_formats_from_list(ctx, pixel_formats);
+}
+
+static int nppsharpen_config_props(AVFilterLink* outlink)
+{
+ AVFilterLink* inlink = outlink->src->inputs[0];
+
+ outlink->w = inlink->w;
+ outlink->h = inlink->h;
+
+ if (inlink->sample_aspect_ratio.num)
+ outlink->sample_aspect_ratio = av_mul_q(
+ (AVRational){outlink->h * inlink->w, outlink->w * inlink->h},
+ inlink->sample_aspect_ratio);
+ else
+ outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
+
+ nppsharpen_config(outlink->src, inlink->w, inlink->h);
+
+ return 0;
+}
+
+static int nppsharpen_sharpen(AVFilterContext* ctx, AVFrame* out, AVFrame* in)
+{
+ AVHWFramesContext* in_ctx =
+ (AVHWFramesContext*)ctx->inputs[0]->hw_frames_ctx->data;
+ NPPSharpenContext* s = ctx->priv;
+
+ const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(in_ctx->sw_format);
+
+ for (int i = 0; i < FF_ARRAY_ELEMS(in->data) && in->data[i]; i++) {
+ int ow = AV_CEIL_RSHIFT(in->width, (i == 1 || i == 2) ? desc->log2_chroma_w : 0);
+ int oh = AV_CEIL_RSHIFT(in->height, (i == 1 || i == 2) ? desc->log2_chroma_h : 0);
+
+ NppStatus err = nppiFilterSharpenBorder_8u_C1R(
+ in->data[i], in->linesize[i], (NppiSize){ow, oh}, (NppiPoint){0, 0},
+ out->data[i], out->linesize[i], (NppiSize){ow, oh}, s->border_type);
+ if (err != NPP_SUCCESS) {
+ av_log(ctx, AV_LOG_ERROR, "NPP sharpen error: %d\n", err);
+ return AVERROR_EXTERNAL;
+ }
+ }
+
+ return 0;
+}
+
+static int nppsharpen_filter_frame(AVFilterLink* link, AVFrame* in)
+{
+ AVFilterContext* ctx = link->dst;
+ NPPSharpenContext* s = ctx->priv;
+ AVFilterLink* outlink = ctx->outputs[0];
+ AVHWFramesContext* frames_ctx =
+ (AVHWFramesContext*)outlink->hw_frames_ctx->data;
+ AVCUDADeviceContext* device_hwctx = frames_ctx->device_ctx->hwctx;
+
+ AVFrame* out = NULL;
+ CUcontext dummy;
+ int ret = 0;
+
+ out = av_frame_alloc();
+ if (!out) {
+ ret = AVERROR(ENOMEM);
+ goto fail;
+ }
+
+ ret = CHECK_CU(device_hwctx->internal->cuda_dl->cuCtxPushCurrent(
+ device_hwctx->cuda_ctx));
+ if (ret < 0)
+ goto fail;
+
+ ret = nppsharpen_sharpen(ctx, s->own_frame, in);
+ if (ret < 0)
+ goto pop_ctx;
+
+ ret = av_hwframe_get_buffer(s->own_frame->hw_frames_ctx, s->tmp_frame, 0);
+ if (ret < 0)
+ goto pop_ctx;
+
+ av_frame_move_ref(out, s->own_frame);
+ av_frame_move_ref(s->own_frame, s->tmp_frame);
+
+ ret = av_frame_copy_props(out, in);
+ if (ret < 0)
+ goto pop_ctx;
+
+ av_frame_free(&in);
+
+pop_ctx:
+ CHECK_CU(device_hwctx->internal->cuda_dl->cuCtxPopCurrent(&dummy));
+ if (!ret)
+ return ff_filter_frame(outlink, out);
+fail:
+ av_frame_free(&in);
+ av_frame_free(&out);
+ return ret;
+}
+
+#define OFFSET(x) offsetof(NPPSharpenContext, x)
+#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)
+static const AVOption options[] = {
+ { "border_type", "Type of operation to be performed on image border", OFFSET(border_type), AV_OPT_TYPE_INT, { .i64 = NPP_BORDER_REPLICATE }, NPP_BORDER_REPLICATE, NPP_BORDER_REPLICATE, FLAGS, "border_type" },
+ { "replicate", "replicate pixels", 0, AV_OPT_TYPE_CONST, { .i64 = NPP_BORDER_REPLICATE }, 0, 0, FLAGS, "border_type" },
+ {NULL},
+};
+
+static const AVClass nppsharpen_class = {
+ .class_name = "nppsharpen",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+static const AVFilterPad nppsharpen_inputs[] = {{
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .filter_frame = nppsharpen_filter_frame,
+}};
+
+static const AVFilterPad nppsharpen_outputs[] = {{
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .config_props = nppsharpen_config_props,
+}};
+
+const AVFilter ff_vf_sharpen_npp = {
+ .name = "sharpen_npp",
+ .description = NULL_IF_CONFIG_SMALL("NVIDIA Performance Primitives video "
+ "sharpening filter."),
+
+ .init = nppsharpen_init,
+ .uninit = nppsharpen_uninit,
+
+ .priv_size = sizeof(NPPSharpenContext),
+ .priv_class = &nppsharpen_class,
+
+ FILTER_INPUTS(nppsharpen_inputs),
+ FILTER_OUTPUTS(nppsharpen_outputs),
+ FILTER_QUERY_FUNC(nppsharpen_query_formats),
+
+ .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
+};
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