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/*
* 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
* Super resolution video filter with AMF hardware acceleration
*/
#include <stdio.h>
#include <string.h>
#include "libavutil/avassert.h"
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/time.h"
#include "libavutil/hwcontext.h"
#include "libavutil/hwcontext_amf.h"
#include "libavutil/hwcontext_amf_internal.h"
#include "AMF/components/HQScaler.h"
#include "AMF/components/ColorSpace.h"
#include "vf_amf_common.h"
#include "avfilter.h"
#include "avfilter_internal.h"
#include "formats.h"
#include "video.h"
#if CONFIG_DXVA2
#include <d3d9.h>
#endif
#if CONFIG_D3D11VA
#include <d3d11.h>
#endif
static int amf_filter_query_formats(AVFilterContext *avctx)
{
const enum AVPixelFormat *output_pix_fmts;
static const enum AVPixelFormat input_pix_fmts[] = {
AV_PIX_FMT_NV12,
AV_PIX_FMT_P010,
AV_PIX_FMT_BGRA,
AV_PIX_FMT_RGBA,
AV_PIX_FMT_AMF_SURFACE,
AV_PIX_FMT_RGBAF16,
AV_PIX_FMT_NONE,
};
static const enum AVPixelFormat output_pix_fmts_default[] = {
AV_PIX_FMT_NV12,
AV_PIX_FMT_P010,
AV_PIX_FMT_BGRA,
AV_PIX_FMT_RGBA,
AV_PIX_FMT_AMF_SURFACE,
AV_PIX_FMT_D3D11,
AV_PIX_FMT_DXVA2_VLD,
AV_PIX_FMT_RGBAF16,
AV_PIX_FMT_NONE,
};
output_pix_fmts = output_pix_fmts_default;
return amf_setup_input_output_formats(avctx, input_pix_fmts, output_pix_fmts);
}
static int amf_filter_config_output(AVFilterLink *outlink)
{
AVFilterContext *avctx = outlink->src;
AVFilterLink *inlink = avctx->inputs[0];
AMFFilterContext *ctx = avctx->priv;
AMFSize out_size;
int err;
AMF_RESULT res;
enum AVPixelFormat in_format;
err = amf_init_filter_config(outlink, &in_format);
if (err < 0)
return err;
// HQ scaler should be used for upscaling only
if (inlink->w > outlink->w || inlink->h > outlink->h) {
av_log(avctx, AV_LOG_ERROR, "AMF HQ scaler should be used for upscaling only.\n");
return AVERROR_UNKNOWN;
}
// FIXME: add checks whether we have HW context
res = ctx->amf_device_ctx->factory->pVtbl->CreateComponent(ctx->amf_device_ctx->factory, ctx->amf_device_ctx->context, AMFHQScaler, &ctx->component);
AMF_RETURN_IF_FALSE(ctx, res == AMF_OK, AVERROR_FILTER_NOT_FOUND, "CreateComponent(%ls) failed with error %d\n", AMFHQScaler, res);
out_size.width = outlink->w;
out_size.height = outlink->h;
AMF_ASSIGN_PROPERTY_SIZE(res, ctx->component, AMF_HQ_SCALER_OUTPUT_SIZE, out_size);
AMF_RETURN_IF_FALSE(avctx, res == AMF_OK, AVERROR_UNKNOWN, "AMFHQScaler-SetProperty() failed with error %d\n", res);
if (ctx->algorithm != -1) {
AMF_ASSIGN_PROPERTY_INT64(res, ctx->component, AMF_HQ_SCALER_ALGORITHM, ctx->algorithm);
}
if (ctx->sharpness != -1) {
AMF_ASSIGN_PROPERTY_DOUBLE(res, ctx->component, AMF_HQ_SCALER_SHARPNESS, ctx->sharpness);
}
AMF_ASSIGN_PROPERTY_BOOL(res, ctx->component, AMF_HQ_SCALER_FILL, ctx->fill);
AMF_ASSIGN_PROPERTY_BOOL(res, ctx->component, AMF_HQ_SCALER_KEEP_ASPECT_RATIO, ctx->keep_ratio);
// Setup default options to skip color conversion
ctx->color_profile = AMF_VIDEO_CONVERTER_COLOR_PROFILE_UNKNOWN;
ctx->color_range = AMF_COLOR_RANGE_UNDEFINED;
ctx->primaries = AMF_COLOR_PRIMARIES_UNDEFINED;
ctx->trc = AMF_COLOR_TRANSFER_CHARACTERISTIC_UNDEFINED;
res = ctx->component->pVtbl->Init(ctx->component, av_av_to_amf_format(in_format), inlink->w, inlink->h);
AMF_RETURN_IF_FALSE(avctx, res == AMF_OK, AVERROR_UNKNOWN, "AMFHQScaler-Init() failed with error %d\n", res);
return 0;
}
#define OFFSET(x) offsetof(AMFFilterContext, x)
#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
static const AVOption sr_amf_options[] = {
{ "w", "Output video width", OFFSET(w_expr), AV_OPT_TYPE_STRING, { .str = "iw" }, .flags = FLAGS },
{ "h", "Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, { .str = "ih" }, .flags = FLAGS },
{ "format", "Output pixel format", OFFSET(format_str), AV_OPT_TYPE_STRING, { .str = "same" }, .flags = FLAGS },
{ "sharpness", "Sharpness", OFFSET(sharpness), AV_OPT_TYPE_FLOAT, { .dbl = -1 }, -1, 2., FLAGS, "sharpness" },
{ "keep-ratio", "Keep aspect ratio", OFFSET(keep_ratio), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS, "keep_ration" },
{ "fill", "Fill", OFFSET(fill), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS, "fill" },
{ "algorithm", "Scaling algorithm", OFFSET(algorithm), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, AMF_HQ_SCALER_ALGORITHM_VIDEOSR1_1, FLAGS, "algorithm" },
{ "bilinear", "Bilinear", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_HQ_SCALER_ALGORITHM_BILINEAR }, 0, 0, FLAGS, "algorithm" },
{ "bicubic", "Bicubic", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_HQ_SCALER_ALGORITHM_BICUBIC }, 0, 0, FLAGS, "algorithm" },
{ "sr1-0", "Video SR1.0", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_HQ_SCALER_ALGORITHM_VIDEOSR1_0 }, 0, 0, FLAGS, "algorithm" },
{ "point", "Point", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_HQ_SCALER_ALGORITHM_POINT }, 0, 0, FLAGS, "algorithm" },
{ "sr1-1", "Video SR1.1", 0, AV_OPT_TYPE_CONST, { .i64 = AMF_HQ_SCALER_ALGORITHM_VIDEOSR1_1 }, 0, 0, FLAGS, "algorithm" },
{ NULL },
};
AVFILTER_DEFINE_CLASS(sr_amf);
static const AVFilterPad amf_filter_inputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.filter_frame = amf_filter_filter_frame,
}
};
static const AVFilterPad amf_filter_outputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = amf_filter_config_output,
}
};
FFFilter ff_vf_sr_amf = {
.p.name = "sr_amf",
.p.description = NULL_IF_CONFIG_SMALL("AMF HQ video upscaling"),
.p.priv_class = &sr_amf_class,
.p.flags = AVFILTER_FLAG_HWDEVICE,
.priv_size = sizeof(AMFFilterContext),
.init = amf_filter_init,
.uninit = amf_filter_uninit,
FILTER_INPUTS(amf_filter_inputs),
FILTER_OUTPUTS(amf_filter_outputs),
FILTER_QUERY_FUNC(&amf_filter_query_formats),
FILTER_SINGLE_PIXFMT(AV_PIX_FMT_AMF_SURFACE),
.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
};
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