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avs+.cu
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avs+.cu
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/*
* EEDI2CUDA: EEDI2 filter using CUDA
*
* Copyright (C) 2005-2006 Kevin Stone
* Copyright (C) 2014-2019 HolyWu
* Copyright (C) 2021 Misaki Kasumi
*
* This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <cstdint>
#include <stdexcept>
#include <string>
#include <string_view>
#include <tuple>
#include <avisynth.h>
#include "config.h"
#include "instance.h"
#include "pipeline.h"
#if defined(_WIN32) /* Windows being special */
#define AVS_EXTERNAL_API(ret) extern "C" __declspec(dllexport) ret __stdcall
#elif defined(__GNUC__) && __GNUC__ >= 4
#define AVS_EXTERNAL_API(ret) extern "C" __attribute__((visibility("default"))) ret __stdcall
#else
#define AVS_EXTERNAL_API(ret) extern "C" ret __stdcall
#endif
static inline int getPlaneId(const VideoInfo &vi, int plane) {
if (!vi.IsPlanar()) {
throw std::runtime_error("only planar format is supported");
}
if (vi.IsY()) {
assert(plane == 0);
return PLANAR_Y;
} else if (vi.IsRGB()) {
assert(0 <= plane && plane < 3);
int planes_id[]{PLANAR_R, PLANAR_G, PLANAR_B};
return planes_id[plane];
} else if (vi.IsYUV()) {
assert(0 <= plane && plane < 3);
int planes_id[]{PLANAR_Y, PLANAR_U, PLANAR_V};
return planes_id[plane];
} else {
throw std::runtime_error("unsupported format");
}
}
static VideoDimension create_vd(AVSValue args) {
auto node = args[0].AsClip();
const auto &vi = node->GetVideoInfo();
return VideoDimension{vi.width, vi.height, vi.IsYUV() ? vi.GetPlaneWidthSubsampling(PLANAR_U) : 0};
}
static PropsMap create_props_map(AVSValue args) {
PropsMap m;
auto num_args = args.ArraySize();
if (num_args == 14) { // EEDI2_CUDA exclusive
m.emplace("field", args[num_args - 13].AsInt());
}
auto load_param = [&](const char *name, AVSValue arg) {
if (arg.Defined()) {
m.emplace(name, arg.AsInt());
}
};
load_param("mthresh", args[num_args - 12]);
load_param("lthresh", args[num_args - 11]);
load_param("vthresh", args[num_args - 10]);
load_param("estr", args[num_args - 9]);
load_param("dstr", args[num_args - 8]);
load_param("maxd", args[num_args - 7]);
load_param("map", args[num_args - 6]);
load_param("nt", args[num_args - 5]);
load_param("pp", args[num_args - 4]);
if (const auto &arg = args[num_args - 3]; arg.Defined()) {
if (arg.IsInt()) {
m.emplace("planes", arg.AsInt());
} else {
auto num = arg.ArraySize();
for (auto i = 0; i < num; ++i) {
m.emplace("planes", arg[i].AsInt());
}
}
}
load_param("device_id", args[num_args - 1]);
return m;
}
namespace {
template <typename T> class Pipeline : public BasePipeline<T> {
PClip node;
VideoInfo vi2;
public:
Pipeline(std::string_view filterName, AVSValue args)
: BasePipeline<T>(filterName, create_props_map(args), create_vd(args)), node(args[0].AsClip()) {
auto vi = node->GetVideoInfo();
vi2 = vi;
auto ovi = this->getOVD();
vi2.width = ovi.width;
vi2.height = ovi.height;
if (vi.BitsPerComponent() < 8 || vi.BitsPerComponent() > 16)
throw std::invalid_argument("only constant format 8-16 bits integer input supported");
}
Pipeline(const Pipeline &other) : BasePipeline<T>(other), node(other.node), vi2(other.vi2) {}
const VideoInfo &getOutputVI() const { return vi2; }
PVideoFrame getFrame(int n, IScriptEnvironment *env) {
this->prepare();
auto src_frame = node->GetFrame(n, env);
auto bypass_mask = this->getPlaneBypassMask();
PVideoFrame dst_frame = env->NewVideoFrameP(vi2, &src_frame);
for (int plane = 0; plane < vi2.NumComponents(); ++plane) {
auto src_width_bytes = src_frame->GetRowSize(getPlaneId(vi2, plane));
auto dst_width_bytes = dst_frame->GetRowSize(getPlaneId(vi2, plane));
auto src_width = src_width_bytes / static_cast<int>(sizeof(T));
auto src_height = src_frame->GetHeight(getPlaneId(vi2, plane));
auto dst_width = dst_width_bytes / static_cast<int>(sizeof(T));
auto dst_height = dst_frame->GetHeight(getPlaneId(vi2, plane));
auto s_pitch_src = src_frame->GetPitch(getPlaneId(vi2, plane));
auto s_pitch_dst = dst_frame->GetPitch(getPlaneId(vi2, plane));
auto s_src = src_frame->GetReadPtr(getPlaneId(vi2, plane));
auto s_dst = dst_frame->GetWritePtr(getPlaneId(vi2, plane));
if (bypass_mask & (1u << plane))
bitblt(s_dst, s_pitch_dst, s_src, s_pitch_src, src_width_bytes, src_height);
else
this->processPlane(n, plane, src_width, src_height, dst_width, dst_height, s_pitch_src, s_pitch_dst, s_src, s_dst);
}
return dst_frame;
}
};
template <typename T> struct Instance : public BaseInstance<T> {
Instance(std::string_view filterName, AVSValue args)
: BaseInstance<T>(std::forward_as_tuple(filterName, args), std::forward_as_tuple()) {}
};
} // namespace
class EEDI2Filter : public GenericVideoFilter {
struct {
std::unique_ptr<Instance<uint8_t>> u8;
std::unique_ptr<Instance<uint16_t>> u16;
} data;
public:
EEDI2Filter(std::string_view filterName, AVSValue args, IScriptEnvironment *env);
PVideoFrame __stdcall GetFrame(int n, IScriptEnvironment *env) override;
static AVSValue __cdecl Create(AVSValue args, void *user_data, IScriptEnvironment *env);
int __stdcall SetCacheHints(int cachehints, int) override { return cachehints == CACHE_GET_MTMODE ? MT_NICE_FILTER : 0; }
};
PVideoFrame __stdcall EEDI2Filter::GetFrame(int n, IScriptEnvironment *env) {
PVideoFrame out;
if (vi.BitsPerComponent() == 8) {
auto &d = data.u8->acquireReactor();
try {
out = d.getFrame(n, env);
} catch (const std::exception &exc) {
env->ThrowError(("EEDI2CUDA: "s + exc.what()).c_str());
}
data.u8->releaseReactor(d);
} else {
auto &d = data.u16->acquireReactor();
try {
out = d.getFrame(n, env);
} catch (const std::exception &exc) {
env->ThrowError(("EEDI2CUDA: "s + exc.what()).c_str());
}
data.u16->releaseReactor(d);
}
return out;
}
EEDI2Filter::EEDI2Filter(std::string_view filterName, AVSValue args, IScriptEnvironment *env) : GenericVideoFilter(args[0].AsClip()) {
env->CheckVersion(8);
try {
int num_streams;
numeric_cast_to(num_streams, args[args.ArraySize() - 2].AsInt(1));
if (vi.BitsPerComponent() == 8) {
auto u8 = allocInstance<uint8_t>(num_streams);
new (u8) Instance<uint8_t>(filterName, args);
data.u8 = std::unique_ptr<Instance<uint8_t>>(u8);
} else {
auto u16 = allocInstance<uint16_t>(num_streams);
new (u16) Instance<uint16_t>(filterName, args);
data.u16 = std::unique_ptr<Instance<uint16_t>>(u16);
}
} catch (const std::exception &exc) {
env->ThrowError(("EEDI2CUDA: "s + exc.what()).c_str());
}
if (vi.BitsPerComponent() == 8) {
vi.width = data.u8->firstReactor().getOutputVI().width;
vi.height = data.u8->firstReactor().getOutputVI().height;
} else {
vi.width = data.u16->firstReactor().getOutputVI().width;
vi.height = data.u16->firstReactor().getOutputVI().height;
}
}
AVSValue __cdecl EEDI2Filter::Create(AVSValue args, void *user_data, IScriptEnvironment *env) {
std::string_view filterName{static_cast<const char *>(user_data)};
return new EEDI2Filter(filterName, args, env);
}
const AVS_Linkage *AVS_linkage{};
AVS_EXTERNAL_API(const char *) AvisynthPluginInit3(IScriptEnvironment *env, const AVS_Linkage *const vectors) {
auto to_voidp = [](auto *p) { return const_cast<void *>(static_cast<const void *>(p)); };
AVS_linkage = vectors;
#define eedi2_common_params \
"[mthresh]i" \
"[lthresh]i" \
"[vthresh]i" \
"[estr]i" \
"[dstr]i" \
"[maxd]i" \
"[map]i" \
"[nt]i" \
"[pp]i" \
"[planes]i" \
"[num_streams]i" \
"[device_id]i"
env->AddFunction("EEDI2_CUDA", "ci" eedi2_common_params, EEDI2Filter::Create, to_voidp("EEDI2"));
env->AddFunction("EEDI2_CUDA_Enlarge2", "c" eedi2_common_params, EEDI2Filter::Create, to_voidp("Enlarge2"));
env->AddFunction("EEDI2_CUDA_AA2", "c" eedi2_common_params, EEDI2Filter::Create, to_voidp("AA2"));
env->AddFunction(
"EEDI2_CUDA_Version", "", [](AVSValue, void *, IScriptEnvironment *) { return AVSValue(VERSION); }, nullptr);
env->AddFunction(
"EEDI2_CUDA_Options", "", [](AVSValue, void *, IScriptEnvironment *) { return AVSValue(BUILD_OPTIONS); }, nullptr);
env->AddFunction(
"EEDI2_CUDA_TimeStamp", "", [](AVSValue, void *, IScriptEnvironment *) { return AVSValue(CONFIGURE_TIME); }, nullptr);
env->AddFunction(
"EEDI2_CUDA_APIVersion", "", [](AVSValue, void *, IScriptEnvironment *) { return AVSValue(AVISYNTH_INTERFACE_VERSION); }, nullptr);
return "EEDI2 filter using CUDA";
}