Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>pull/370/head
Roman Arzumanyan
4 years ago
committed by
Timo Rothenpieler
parent
3e022d185c
commit
ed084161ba
5 changed files with 302 additions and 2 deletions
@ -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, |
||||
}; |
||||
Loading…
Reference in new issue