Merge pull request #20773 from sivanov-work:merge_vpl_source_unite

G-API: oneVPL (simplification) unite components in entire VPL source

* Unify components in VPLSource

* Revert back decode WRN & Add compile guard

* Address come comments

* Add source alias

* Apply comment for exception handling
pull/20908/head
Sergey Ivanov 3 years ago committed by GitHub
parent 0e86e292e4
commit 0cf79155d4
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
  1. 2
      modules/gapi/CMakeLists.txt
  2. 2
      modules/gapi/include/opencv2/gapi/streaming/onevpl/source.hpp
  3. 4
      modules/gapi/samples/onevpl_infer_single_roi.cpp
  4. 3
      modules/gapi/src/streaming/onevpl/accelerators/accel_policy_dx11.cpp
  5. 123
      modules/gapi/src/streaming/onevpl/cfg_params_parser.cpp
  6. 43
      modules/gapi/src/streaming/onevpl/cfg_params_parser.hpp
  7. 2
      modules/gapi/src/streaming/onevpl/engine/processing_engine_base.cpp
  8. 3
      modules/gapi/src/streaming/onevpl/engine/processing_engine_base.hpp
  9. 332
      modules/gapi/src/streaming/onevpl/source_priv.cpp
  10. 21
      modules/gapi/src/streaming/onevpl/source_priv.hpp
  11. 454
      modules/gapi/src/streaming/onevpl/utils.cpp
  12. 24
      modules/gapi/src/streaming/onevpl/utils.hpp

@ -168,6 +168,8 @@ set(gapi_srcs
src/streaming/onevpl/source_priv.cpp
src/streaming/onevpl/file_data_provider.cpp
src/streaming/onevpl/cfg_params.cpp
src/streaming/onevpl/cfg_params_parser.cpp
src/streaming/onevpl/utils.cpp
src/streaming/onevpl/data_provider_interface_exception.cpp
src/streaming/onevpl/accelerators/surface/cpu_frame_adapter.cpp
src/streaming/onevpl/accelerators/surface/surface.cpp

@ -51,6 +51,8 @@ private:
};
} // namespace onevpl
using GVPLSource = onevpl::GSource;
template<class... Args>
GAPI_EXPORTS_W cv::Ptr<IStreamSource> inline make_onevpl_src(Args&&... args)
{

@ -19,6 +19,7 @@ const std::string keys =
"{ input | | Path to the input demultiplexed video file }"
"{ output | | Path to the output RAW video file. Use .avi extension }"
"{ facem | face-detection-adas-0001.xml | Path to OpenVINO IE face detection model (.xml) }"
"{ faced | CPU | Target device for face detection model (e.g. CPU, GPU, VPU, ...) }"
"{ cfg_params | <prop name>:<value>;<prop name>:<value> | Semicolon separated list of oneVPL mfxVariants which is used for configuring source (see `MFXSetConfigFilterProperty` by https://spec.oneapi.io/versions/latest/elements/oneVPL/source/index.html) }";
@ -198,7 +199,8 @@ int main(int argc, char *argv[]) {
auto face_net = cv::gapi::ie::Params<custom::FaceDetector> {
face_model_path, // path to topology IR
get_weights_path(face_model_path) // path to weights
get_weights_path(face_model_path), // path to weights
cmd.get<std::string>("faced"), // device specifier
};
auto kernels = cv::gapi::kernels
< custom::OCVLocateROI

@ -30,7 +30,8 @@ namespace gapi {
namespace wip {
namespace onevpl {
VPLDX11AccelerationPolicy::VPLDX11AccelerationPolicy()
VPLDX11AccelerationPolicy::VPLDX11AccelerationPolicy() :
hw_handle(nullptr)
{
#ifdef CPU_ACCEL_ADAPTER
adapter.reset(new VPLCPUAccelerationPolicy);

@ -0,0 +1,123 @@
// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
//
// Copyright (C) 2021 Intel Corporation
#include <stdio.h>
#include <algorithm>
#include <sstream>
#include "streaming/onevpl/cfg_params_parser.hpp"
#include "streaming/onevpl/utils.hpp"
#include "logger.hpp"
#ifdef HAVE_ONEVPL
namespace cv {
namespace gapi {
namespace wip {
namespace onevpl {
template <>
struct ParamCreator<CfgParam> {
template<typename ValueType>
CfgParam create (const std::string& name, ValueType&& value) {
return CfgParam::create(name, std::forward<ValueType>(value), is_major_flag);
}
bool is_major_flag = false;
};
template <>
struct ParamCreator<mfxVariant> {
template<typename ValueType>
mfxVariant create (const std::string& name, ValueType&& value) {
static_assert(std::is_same<typename std::decay<ValueType>::type, mfxU32>::value,
"ParamCreator<mfxVariant> supports mfxU32 at the moment. "
"Feel free to extend for more types");
return create_impl(name, value);
}
private:
mfxVariant create_impl(const std::string&, mfxU32 value) {
mfxVariant ret;
ret.Type = MFX_VARIANT_TYPE_U32;
ret.Data.U32 = value;
return ret;
}
};
template<typename ValueType>
std::vector<ValueType> get_params_from_string(const std::string& str) {
std::vector<ValueType> ret;
std::string::size_type pos = 0;
std::string::size_type endline_pos = std::string::npos;
do
{
endline_pos = str.find_first_of("\r\n", pos);
std::string line = str.substr(pos, endline_pos == std::string::npos ? std::string::npos : endline_pos - pos);
if (line.empty()) break;
std::string::size_type name_endline_pos = line.find(':');
if (name_endline_pos == std::string::npos) {
throw std::runtime_error("Cannot parse param from string: " + line +
". Name and value should be separated by \":\"" );
}
std::string name = line.substr(0, name_endline_pos);
std::string value = line.substr(name_endline_pos + 2);
ParamCreator<ValueType> creator;
if (name == "mfxImplDescription.Impl") {
ret.push_back(creator.create<mfxU32>(name, cstr_to_mfx_impl(value.c_str())));
} else if (name == "mfxImplDescription.mfxDecoderDescription.decoder.CodecID") {
ret.push_back(creator.create<mfxU32>(name, cstr_to_mfx_codec_id(value.c_str())));
} else if (name == "mfxImplDescription.AccelerationMode") {
ret.push_back(creator.create<mfxU32>(name, cstr_to_mfx_accel_mode(value.c_str())));
} else if (name == "mfxImplDescription.ApiVersion.Version") {
ret.push_back(creator.create<mfxU32>(name, cstr_to_mfx_version(value.c_str())));
} else {
GAPI_LOG_DEBUG(nullptr, "Cannot parse configuration param, name: " << name <<
", value: " << value);
}
pos = endline_pos + 1;
}
while (endline_pos != std::string::npos);
return ret;
}
template
std::vector<CfgParam> get_params_from_string(const std::string& str);
template
std::vector<mfxVariant> get_params_from_string(const std::string& str);
mfxVariant cfg_param_to_mfx_variant(const CfgParam& cfg_val) {
const CfgParam::name_t& name = cfg_val.get_name();
mfxVariant ret;
cv::util::visit(cv::util::overload_lambdas(
[&ret](uint8_t value) { ret.Type = MFX_VARIANT_TYPE_U8; ret.Data.U8 = value; },
[&ret](int8_t value) { ret.Type = MFX_VARIANT_TYPE_I8; ret.Data.I8 = value; },
[&ret](uint16_t value) { ret.Type = MFX_VARIANT_TYPE_U16; ret.Data.U16 = value; },
[&ret](int16_t value) { ret.Type = MFX_VARIANT_TYPE_I16; ret.Data.I16 = value; },
[&ret](uint32_t value) { ret.Type = MFX_VARIANT_TYPE_U32; ret.Data.U32 = value; },
[&ret](int32_t value) { ret.Type = MFX_VARIANT_TYPE_I32; ret.Data.I32 = value; },
[&ret](uint64_t value) { ret.Type = MFX_VARIANT_TYPE_U64; ret.Data.U64 = value; },
[&ret](int64_t value) { ret.Type = MFX_VARIANT_TYPE_I64; ret.Data.I64 = value; },
[&ret](float_t value) { ret.Type = MFX_VARIANT_TYPE_F32; ret.Data.F32 = value; },
[&ret](double_t value) { ret.Type = MFX_VARIANT_TYPE_F64; ret.Data.F64 = value; },
[&ret](void* value) { ret.Type = MFX_VARIANT_TYPE_PTR; ret.Data.Ptr = value; },
[&ret, &name] (const std::string& value) {
auto parsed = get_params_from_string<mfxVariant>(name + ": " + value + "\n");
if (parsed.empty()) {
throw std::logic_error("Unsupported parameter, name: " + name + ", value: " + value);
}
ret = *parsed.begin();
}), cfg_val.get_value());
return ret;
}
} // namespace onevpl
} // namespace wip
} // namespace gapi
} // namespace cv
#endif // HAVE_ONEVPL

@ -0,0 +1,43 @@
// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
//
// Copyright (C) 2021 Intel Corporation
#ifndef GAPI_STREAMING_ONEVPL_CFG_PARAM_PARSER_HPP
#define GAPI_STREAMING_ONEVPL_CFG_PARAM_PARSER_HPP
#ifdef HAVE_ONEVPL
#if (MFX_VERSION >= 2000)
#include <vpl/mfxdispatcher.h>
#endif // MFX_VERSION
#include <vpl/mfx.h>
#include <vpl/mfxvideo.h>
#include <map>
#include <string>
#include <opencv2/gapi/streaming/onevpl/source.hpp>
namespace cv {
namespace gapi {
namespace wip {
namespace onevpl {
template<typename ValueType>
std::vector<ValueType> get_params_from_string(const std::string& str);
template <typename ReturnType>
struct ParamCreator {
template<typename ValueType>
ReturnType create(const std::string& name, ValueType&& value);
};
mfxVariant cfg_param_to_mfx_variant(const CfgParam& value);
} // namespace onevpl
} // namespace wip
} // namespace gapi
} // namespace cv
#endif // HAVE_ONEVPL
#endif // GAPI_STREAMING_ONEVPL_CFG_PARAM_PARSER_HPP

@ -117,7 +117,7 @@ mfxStatus ReadEncodedStream(mfxBitstream &bs, std::shared_ptr<IDataProvider>& da
return MFX_ERR_NOT_ENOUGH_BUFFER;
}
std::copy_n(p0, bs.DataLength, p1);
std::copy_n(p1, bs.DataLength, p0);
bs.DataOffset = 0;
bs.DataLength += static_cast<mfxU32>(data_provider->fetch_data(bs.MaxLength - bs.DataLength,

@ -11,6 +11,8 @@
#include "streaming/onevpl/engine/engine_session.hpp"
#include "opencv2/gapi/own/exports.hpp" // GAPI_EXPORTS
#ifdef HAVE_ONEVPL
namespace cv {
namespace gapi {
namespace wip {
@ -93,4 +95,5 @@ mfxStatus ReadEncodedStream(mfxBitstream &bs, std::shared_ptr<IDataProvider>& da
} // namespace gapi
} // namespace cv
#endif // HAVE_ONEVPL
#endif // GAPI_STREAMING_ONEVPL_ENGINE_PROCESSING_ENGINE_BASE_HPP

@ -7,6 +7,12 @@
#include <algorithm>
#include <sstream>
#include "streaming/onevpl/engine/decode/decode_engine_legacy.hpp"
#include "streaming/onevpl/accelerators/accel_policy_dx11.hpp"
#include "streaming/onevpl/accelerators/accel_policy_cpu.hpp"
#include "streaming/onevpl/utils.hpp"
#include "streaming/onevpl/cfg_params_parser.hpp"
#include "streaming/onevpl/source_priv.hpp"
#include "logger.hpp"
@ -32,32 +38,346 @@ namespace cv {
namespace gapi {
namespace wip {
namespace onevpl {
enum {
VPL_NEW_API_MAJOR_VERSION = 2,
VPL_NEW_API_MINOR_VERSION = 2
};
GSource::Priv::Priv() :
mfx_handle(MFXLoad())
mfx_handle(MFXLoad()),
mfx_impl_description(),
mfx_handle_configs(),
cfg_params(),
mfx_session(),
description(),
description_is_valid(false),
engine()
{
GAPI_LOG_INFO(nullptr, "Initialized MFX handle: " << mfx_handle);
description_is_valid = false;
}
GSource::Priv::Priv(std::shared_ptr<IDataProvider>, const std::vector<CfgParam>&) :
GSource::Priv::Priv(std::shared_ptr<IDataProvider> provider, const std::vector<CfgParam>& params) :
GSource::Priv()
{
// Enable Config
if (params.empty())
{
GAPI_LOG_INFO(nullptr, "No special cfg params requested - use default");
this->cfg_params = getDefaultCfgParams();
}
else
{
this->cfg_params = params;
}
GAPI_LOG_DEBUG(nullptr, "Requested cfg params count: " << cfg_params.size());
this->mfx_handle_configs.resize(cfg_params.size());
// Build VPL handle config from major input params
// VPL dispatcher then uses this config handle to look up for all existing VPL impl
// satisfying major input params and available in the system
GAPI_LOG_INFO(nullptr, "Creating VPL config from input params");
auto cfg_param_it = cfg_params.begin();
for (mfxConfig& cfg_inst : mfx_handle_configs) {
cfg_inst = MFXCreateConfig(mfx_handle);
GAPI_Assert(cfg_inst && "MFXCreateConfig failed");
if (!cfg_param_it->is_major()) {
GAPI_LOG_DEBUG(nullptr, "Skip not major param: " << cfg_param_it->get_name());
++cfg_param_it;
continue;
}
GAPI_LOG_DEBUG(nullptr, "Apply major param: " << cfg_param_it->get_name());
mfxVariant mfx_param = cfg_param_to_mfx_variant(*cfg_param_it);
mfxStatus sts = MFXSetConfigFilterProperty(cfg_inst,
(mfxU8 *)cfg_param_it->get_name().c_str(),
mfx_param);
if (sts != MFX_ERR_NONE )
{
GAPI_LOG_WARNING(nullptr, "MFXSetConfigFilterProperty failed, error: " <<
mfxstatus_to_string(sts) <<
" - for \"" << cfg_param_it->get_name() << "\"");
GAPI_Assert(false && "MFXSetConfigFilterProperty failed");
}
++cfg_param_it;
}
// collect optional-preferred input parameters from input params
// which may (optionally) or may not be used to choose the most preferrable
// VPL implementation (for example, specific API version or Debug/Release VPL build)
std::vector<CfgParam> preferred_params;
std::copy_if(cfg_params.begin(), cfg_params.end(), std::back_inserter(preferred_params),
[] (const CfgParam& param) { return !param.is_major(); });
std::sort(preferred_params.begin(), preferred_params.end());
GAPI_LOG_DEBUG(nullptr, "Find MFX better implementation from handle: " << mfx_handle <<
" is satisfying preferrable params count: " << preferred_params.size());
int i = 0;
mfxImplDescription *idesc = nullptr;
std::vector<mfxImplDescription*> available_impl_descriptions;
std::map<size_t/*matches count*/, int /*impl index*/> matches_count;
while (MFX_ERR_NONE == MFXEnumImplementations(mfx_handle,
i,
MFX_IMPLCAPS_IMPLDESCSTRUCTURE,
reinterpret_cast<mfxHDL *>(&idesc))) {
available_impl_descriptions.push_back(idesc);
std::stringstream ss;
mfxHDL hImplPath = nullptr;
if (MFX_ERR_NONE == MFXEnumImplementations(mfx_handle, i, MFX_IMPLCAPS_IMPLPATH, &hImplPath)) {
if (hImplPath) {
ss << "Implementation path: " << reinterpret_cast<mfxChar *>(hImplPath) << std::endl;
MFXDispReleaseImplDescription(mfx_handle, hImplPath);
}
}
ss << *idesc << std::endl;
GAPI_LOG_INFO(nullptr, "Implementation index: " << i << "\n" << ss.str());
// Only one VPL implementation is required for GSource here.
// Let's find intersection params from available impl with preferrable input params
// to find best match.
// An available VPL implementation with max matching count
std::vector<CfgParam> impl_params = get_params_from_string<CfgParam>(ss.str());
std::sort(impl_params.begin(), impl_params.end());
GAPI_LOG_DEBUG(nullptr, "Find implementation cfg params count" << impl_params.size());
std::vector<CfgParam> matched_params;
std::set_intersection(impl_params.begin(), impl_params.end(),
preferred_params.begin(), preferred_params.end(),
std::back_inserter(matched_params));
if (preferred_params.empty()) {
// in case of no input preferrance we consider all params are matched
// for the first available VPL implementation. It will be a chosen one
matches_count.emplace(impl_params.size(), i++);
GAPI_LOG_DEBUG(nullptr, "No preferrable params, use the first one implementation");
break;
} else {
GAPI_LOG_DEBUG(nullptr, "Equal param intersection count: " << matched_params.size());
matches_count.emplace(matches_count.size(), i++);
}
}
// Extract the most suitable VPL implementation by max score
auto max_match_it = matches_count.rbegin();
GAPI_Assert(max_match_it != matches_count.rend() &&
"Cannot find matched MFX implementation for requested configuration");
int impl_number = max_match_it->second;
GAPI_LOG_INFO(nullptr, "Chosen implementation index: " << impl_number);
// release unusable impl available_impl_descriptions
std::swap(mfx_impl_description, available_impl_descriptions[impl_number]);
for (mfxImplDescription* unusable_impl_descr : available_impl_descriptions) {
if (unusable_impl_descr) {
MFXDispReleaseImplDescription(mfx_handle, unusable_impl_descr);
}
}
available_impl_descriptions.clear();
// create session for implementation
mfxStatus sts = MFXCreateSession(mfx_handle, impl_number, &mfx_session);
if (MFX_ERR_NONE != sts) {
GAPI_LOG_WARNING(nullptr, "Cannot create MFX Session for implementation index:" <<
std::to_string(impl_number) <<
", error: " << mfxstatus_to_string(sts));
}
GAPI_LOG_INFO(nullptr, "Initialized MFX session: " << mfx_session);
// initialize decoder
// Find codec ID from config
auto dec_it = std::find_if(cfg_params.begin(), cfg_params.end(), [] (const CfgParam& value) {
return value.get_name() == "mfxImplDescription.mfxDecoderDescription.decoder.CodecID";
});
GAPI_Assert (dec_it != cfg_params.end() && "Cannot determine DecoderID from oneVPL config. Abort");
// create session driving engine if required
if (!engine) {
std::unique_ptr<VPLAccelerationPolicy> acceleration = initializeHWAccel();
// TODO Add factory static method in ProcessingEngineBase
if (mfx_impl_description->ApiVersion.Major >= VPL_NEW_API_MAJOR_VERSION) {
GAPI_Assert(false &&
"GSource mfx_impl_description->ApiVersion.Major >= VPL_NEW_API_MAJOR_VERSION"
" - is not implemented");
} else {
engine.reset(new VPLLegacyDecodeEngine(std::move(acceleration)));
}
}
//create decoder for session accoring to header recovered from source file
DecoderParams decoder_param = create_decoder_from_file(*dec_it, provider);
// create engine session for processing mfx session pipeline
engine->initialize_session(mfx_session, std::move(decoder_param),
provider);
//prepare session for processing
engine->process(mfx_session);
}
GSource::Priv::~Priv()
{
GAPI_LOG_INFO(nullptr, "Unload MFX implementation description: " << mfx_impl_description);
MFXDispReleaseImplDescription(mfx_handle, mfx_impl_description);
GAPI_LOG_INFO(nullptr, "Unload MFX handle: " << mfx_handle);
MFXUnload(mfx_handle);
}
bool GSource::Priv::pull(cv::gapi::wip::Data&)
DecoderParams GSource::Priv::create_decoder_from_file(const CfgParam& decoder_cfg,
std::shared_ptr<IDataProvider> provider)
{
return false;
GAPI_DbgAssert(provider && "Cannot create decoder, data provider is nullptr");
mfxBitstream bitstream{};
const int BITSTREAM_BUFFER_SIZE = 2000000;
bitstream.MaxLength = BITSTREAM_BUFFER_SIZE;
bitstream.Data = (mfxU8 *)calloc(bitstream.MaxLength, sizeof(mfxU8));
if(!bitstream.Data) {
throw std::runtime_error("Cannot allocate bitstream.Data bytes: " +
std::to_string(bitstream.MaxLength * sizeof(mfxU8)));
}
mfxVariant decoder = cfg_param_to_mfx_variant(decoder_cfg);
// according to oneVPL documentation references
// https://spec.oneapi.io/versions/latest/elements/oneVPL/source/API_ref/VPL_disp_api_struct.html
// mfxVariant is an `union` type and considered different meaning for different param ids
// So CodecId has U32 data type
bitstream.CodecId = decoder.Data.U32;
mfxStatus sts = ReadEncodedStream(bitstream, provider);
if(MFX_ERR_NONE != sts) {
throw std::runtime_error("Error reading bitstream, error: " +
mfxstatus_to_string(sts));
}
// Retrieve the frame information from input stream
mfxVideoParam mfxDecParams {};
mfxDecParams.mfx.CodecId = decoder.Data.U32;
mfxDecParams.IOPattern = MFX_IOPATTERN_OUT_SYSTEM_MEMORY;//MFX_IOPATTERN_OUT_VIDEO_MEMORY;
sts = MFXVideoDECODE_DecodeHeader(mfx_session, &bitstream, &mfxDecParams);
if(MFX_ERR_NONE != sts) {
throw std::runtime_error("Error decoding header, error: " +
mfxstatus_to_string(sts));
}
// Input parameters finished, now initialize decode
sts = MFXVideoDECODE_Init(mfx_session, &mfxDecParams);
if (MFX_ERR_NONE != sts) {
throw std::runtime_error("Error initializing Decode, error: " +
mfxstatus_to_string(sts));
}
// set valid description
description.size = cv::Size {
mfxDecParams.mfx.FrameInfo.Width,
mfxDecParams.mfx.FrameInfo.Height};
switch(mfxDecParams.mfx.FrameInfo.FourCC) {
case MFX_FOURCC_I420:
GAPI_Assert(false && "Cannot create GMetaArg description: "
"MediaFrame doesn't support I420 type");
case MFX_FOURCC_NV12:
description.fmt = cv::MediaFormat::NV12;
break;
default:
{
GAPI_LOG_WARNING(nullptr, "Cannot create GMetaArg description: "
"MediaFrame unknown 'fmt' type: " <<
std::to_string(mfxDecParams.mfx.FrameInfo.FourCC));
GAPI_Assert(false && "Cannot create GMetaArg description: invalid value");
}
}
description_is_valid = true;
return {bitstream, mfxDecParams};
}
std::unique_ptr<VPLAccelerationPolicy> GSource::Priv::initializeHWAccel()
{
std::unique_ptr<VPLAccelerationPolicy> ret;
auto accel_mode_it = std::find_if(cfg_params.begin(), cfg_params.end(), [] (const CfgParam& value) {
return value.get_name() == "mfxImplDescription.AccelerationMode";
});
if (accel_mode_it == cfg_params.end())
{
GAPI_LOG_DEBUG(nullptr, "No HW Accel requested. Use CPU");
ret.reset(new VPLCPUAccelerationPolicy);
return ret;
}
GAPI_LOG_DEBUG(nullptr, "Add HW acceleration support");
mfxVariant accel_mode = cfg_param_to_mfx_variant(*accel_mode_it);
switch(accel_mode.Data.U32) {
case MFX_ACCEL_MODE_VIA_D3D11:
{
std::unique_ptr<VPLDX11AccelerationPolicy> cand(new VPLDX11AccelerationPolicy);
ret = std::move(cand);
break;
}
case MFX_ACCEL_MODE_NA:
{
std::unique_ptr<VPLCPUAccelerationPolicy> cand(new VPLCPUAccelerationPolicy);
ret = std::move(cand);
break;
}
default:
{
GAPI_LOG_WARNING(nullptr, "Cannot initialize HW Accel: "
"invalid accelerator type: " <<
std::to_string(accel_mode.Data.U32));
GAPI_Assert(false && "Cannot initialize HW Accel");
}
}
return ret;
}
const std::vector<CfgParam>& GSource::Priv::getDefaultCfgParams()
{
static const std::vector<CfgParam> def_params =
get_params_from_string<CfgParam>(
"mfxImplDescription.Impl: MFX_IMPL_TYPE_HARDWARE\n"
"mfxImplDescription.AccelerationMode: MFX_ACCEL_MODE_VIA_D3D11\n");
return def_params;
}
const std::vector<CfgParam>& GSource::Priv::getCfgParams() const
{
return cfg_params;
}
bool GSource::Priv::pull(cv::gapi::wip::Data& data)
{
ProcessingEngineBase::ExecutionStatus status = ProcessingEngineBase::ExecutionStatus::Continue;
while (0 == engine->get_ready_frames_count() &&
status == ProcessingEngineBase::ExecutionStatus::Continue) {
status = engine->process(mfx_session);
}
if (engine->get_ready_frames_count()) {
engine->get_frame(data);
return true;
} else {
return false;
}
}
GMetaArg GSource::Priv::descr_of() const
{
return {};
GAPI_Assert(description_is_valid);
GMetaArg arg(description);
return arg;
}
} // namespace onevpl
} // namespace wip

@ -25,23 +25,44 @@
#include <vpl/mfxvideo.h>
#include "streaming/onevpl/engine/processing_engine_base.hpp"
namespace cv {
namespace gapi {
namespace wip {
namespace onevpl {
struct VPLAccelerationPolicy;
class ProcessingEngineBase;
struct GSource::Priv
{
explicit Priv(std::shared_ptr<IDataProvider> provider,
const std::vector<CfgParam>& params);
~Priv();
static const std::vector<CfgParam>& getDefaultCfgParams();
const std::vector<CfgParam>& getCfgParams() const;
bool pull(cv::gapi::wip::Data& data);
GMetaArg descr_of() const;
private:
Priv();
DecoderParams create_decoder_from_file(const CfgParam& decoder,
std::shared_ptr<IDataProvider> provider);
std::unique_ptr<VPLAccelerationPolicy> initializeHWAccel();
mfxLoader mfx_handle;
mfxImplDescription *mfx_impl_description;
std::vector<mfxConfig> mfx_handle_configs;
std::vector<CfgParam> cfg_params;
mfxSession mfx_session;
cv::GFrameDesc description;
bool description_is_valid;
std::unique_ptr<ProcessingEngineBase> engine;
};
} // namespace onevpl
} // namespace wip

@ -0,0 +1,454 @@
// This file is part of OpenCV project.
// It is subject to the license terms in the LICENSE file found in the top-level directory
// of this distribution and at http://opencv.org/license.html.
//
// Copyright (C) 2021 Intel Corporation
#include <stdio.h>
#include <algorithm>
#include <sstream>
#ifdef HAVE_ONEVPL
#include "streaming/onevpl/utils.hpp"
#include "logger.hpp"
namespace cv {
namespace gapi {
namespace wip {
namespace onevpl {
const char* mfx_impl_to_cstr(const mfxIMPL impl) {
switch (impl) {
case MFX_IMPL_TYPE_SOFTWARE:
return "MFX_IMPL_TYPE_SOFTWARE";
case MFX_IMPL_TYPE_HARDWARE:
return "MFX_IMPL_TYPE_HARDWARE";
default:
return "unknown mfxIMPL";
}
}
mfxIMPL cstr_to_mfx_impl(const char* cstr) {
if (!strcmp(cstr, "MFX_IMPL_TYPE_SOFTWARE")) {
return MFX_IMPL_TYPE_SOFTWARE;
} else if (!strcmp(cstr, "MFX_IMPL_TYPE_HARDWARE")) {
return MFX_IMPL_TYPE_HARDWARE;
}
throw std::logic_error(std::string("Invalid \"mfxImplDescription.Impl\":") + cstr);
}
const char* mfx_accel_mode_to_cstr (const mfxAccelerationMode mode) {
switch (mode) {
case MFX_ACCEL_MODE_NA:
return "MFX_ACCEL_MODE_NA";
case MFX_ACCEL_MODE_VIA_D3D9:
return "MFX_ACCEL_MODE_VIA_D3D9";
case MFX_ACCEL_MODE_VIA_D3D11:
return "MFX_ACCEL_MODE_VIA_D3D11";
case MFX_ACCEL_MODE_VIA_VAAPI:
return "MFX_ACCEL_MODE_VIA_VAAPI";
case MFX_ACCEL_MODE_VIA_VAAPI_DRM_MODESET:
return "MFX_ACCEL_MODE_VIA_VAAPI_DRM_MODESET";
case MFX_ACCEL_MODE_VIA_VAAPI_GLX:
return "MFX_ACCEL_MODE_VIA_VAAPI_GLX";
case MFX_ACCEL_MODE_VIA_VAAPI_X11:
return "MFX_ACCEL_MODE_VIA_VAAPI_X11";
case MFX_ACCEL_MODE_VIA_VAAPI_WAYLAND:
return "MFX_ACCEL_MODE_VIA_VAAPI_WAYLAND";
case MFX_ACCEL_MODE_VIA_HDDLUNITE:
return "MFX_ACCEL_MODE_VIA_HDDLUNITE";
default:
return "unknown mfxAccelerationMode";
}
return "unknown mfxAccelerationMode";
}
mfxAccelerationMode cstr_to_mfx_accel_mode(const char* cstr) {
if (!strcmp(cstr, "MFX_ACCEL_MODE_NA")) {
return MFX_ACCEL_MODE_NA;
} else if (!strcmp(cstr, "MFX_ACCEL_MODE_VIA_D3D9")) {
return MFX_ACCEL_MODE_VIA_D3D9;
} else if (!strcmp(cstr, "MFX_ACCEL_MODE_VIA_D3D11")) {
return MFX_ACCEL_MODE_VIA_D3D11;
} else if (!strcmp(cstr, "MFX_ACCEL_MODE_VIA_VAAPI")) {
return MFX_ACCEL_MODE_VIA_VAAPI;
} else if (!strcmp(cstr, "MFX_ACCEL_MODE_VIA_VAAPI_DRM_MODESET")) {
return MFX_ACCEL_MODE_VIA_VAAPI_DRM_MODESET;
} else if (!strcmp(cstr, "MFX_ACCEL_MODE_VIA_VAAPI_GLX")) {
return MFX_ACCEL_MODE_VIA_VAAPI_GLX;
} else if (!strcmp(cstr, "MFX_ACCEL_MODE_VIA_VAAPI_X11")) {
return MFX_ACCEL_MODE_VIA_VAAPI_X11;
} else if (!strcmp(cstr, "MFX_ACCEL_MODE_VIA_VAAPI_WAYLAND")) {
return MFX_ACCEL_MODE_VIA_VAAPI_WAYLAND;
} else if (!strcmp(cstr, "MFX_ACCEL_MODE_VIA_HDDLUNITE")) {
return MFX_ACCEL_MODE_VIA_HDDLUNITE;
}
throw std::logic_error(std::string("Invalid \"mfxImplDescription.AccelerationMode\":") + cstr);
}
const char* mfx_resource_type_to_cstr (const mfxResourceType type) {
switch (type) {
case MFX_RESOURCE_SYSTEM_SURFACE:
return "MFX_RESOURCE_SYSTEM_SURFACE";
case MFX_RESOURCE_VA_SURFACE:
return "MFX_RESOURCE_VA_SURFACE";
case MFX_RESOURCE_VA_BUFFER:
return "MFX_RESOURCE_VA_BUFFER";
case MFX_RESOURCE_DX9_SURFACE:
return "MFX_RESOURCE_DX9_SURFACE";
case MFX_RESOURCE_DX11_TEXTURE:
return "MFX_RESOURCE_DX11_TEXTURE";
case MFX_RESOURCE_DX12_RESOURCE:
return "MFX_RESOURCE_DX12_RESOURCE";
case MFX_RESOURCE_DMA_RESOURCE:
return "MFX_RESOURCE_DMA_RESOURCE";
case MFX_RESOURCE_HDDLUNITE_REMOTE_MEMORY:
return "MFX_RESOURCE_HDDLUNITE_REMOTE_MEMORY";
default:
return "unknown mfxResourceType";
}
}
mfxResourceType cstr_to_mfx_resource_type(const char* cstr) {
if (!strcmp(cstr, "MFX_RESOURCE_SYSTEM_SURFACE")) {
return MFX_RESOURCE_SYSTEM_SURFACE;
} else if (!strcmp(cstr, "MFX_RESOURCE_VA_SURFACE")) {
return MFX_RESOURCE_VA_SURFACE;
} else if (!strcmp(cstr, "MFX_RESOURCE_VA_BUFFER")) {
return MFX_RESOURCE_VA_BUFFER;
} else if (!strcmp(cstr, "MFX_RESOURCE_DX9_SURFACE")) {
return MFX_RESOURCE_DX9_SURFACE;
} else if (!strcmp(cstr, "MFX_RESOURCE_DX11_TEXTURE")) {
return MFX_RESOURCE_DX11_TEXTURE;
} else if (!strcmp(cstr, "MFX_RESOURCE_DX12_RESOURCE")) {
return MFX_RESOURCE_DX12_RESOURCE;
} else if (!strcmp(cstr, "MFX_RESOURCE_DMA_RESOURCE")) {
return MFX_RESOURCE_DMA_RESOURCE;
} else if (!strcmp(cstr, "MFX_RESOURCE_HDDLUNITE_REMOTE_MEMORY")) {
return MFX_RESOURCE_HDDLUNITE_REMOTE_MEMORY;
}
throw std::logic_error(std::string("Invalid \"decoder.Profiles.MemDesc.MemHandleType\":") + cstr);
}
mfxU32 cstr_to_mfx_codec_id(const char* cstr) {
if (!strcmp(cstr, "MFX_CODEC_AVC")) {
return MFX_CODEC_AVC;
} else if (!strcmp(cstr, "MFX_CODEC_HEVC")) {
return MFX_CODEC_HEVC;
} else if (!strcmp(cstr, "MFX_CODEC_MPEG2")) {
return MFX_CODEC_MPEG2;
} else if (!strcmp(cstr, "MFX_CODEC_VC1")) {
return MFX_CODEC_VC1;
} else if (!strcmp(cstr, "MFX_CODEC_CAPTURE")) {
return MFX_CODEC_CAPTURE;
} else if (!strcmp(cstr, "MFX_CODEC_VP9")) {
return MFX_CODEC_VP9;
} else if (!strcmp(cstr, "MFX_CODEC_AV1")) {
return MFX_CODEC_AV1;
}
throw std::logic_error(std::string("Cannot parse \"mfxImplDescription.mfxDecoderDescription.decoder.CodecID\" value: ") + cstr);
}
const char* mfx_codec_type_to_cstr(const mfxU32 fourcc, const mfxU32 type) {
switch (fourcc) {
case MFX_CODEC_JPEG: {
switch (type) {
case MFX_PROFILE_UNKNOWN:
return "MFX_PROFILE_UNKNOWN";
case MFX_PROFILE_JPEG_BASELINE:
return "MFX_PROFILE_JPEG_BASELINE";
default:
return "<unknown MFX_CODEC_JPEG profile";
}
}
case MFX_CODEC_AVC: {
switch (type) {
case MFX_PROFILE_UNKNOWN:
return "MFX_PROFILE_UNKNOWN";
case MFX_PROFILE_AVC_BASELINE:
return "MFX_PROFILE_AVC_BASELINE";
case MFX_PROFILE_AVC_MAIN:
return "MFX_PROFILE_AVC_MAIN";
case MFX_PROFILE_AVC_EXTENDED:
return "MFX_PROFILE_AVC_EXTENDED";
case MFX_PROFILE_AVC_HIGH:
return "MFX_PROFILE_AVC_HIGH";
case MFX_PROFILE_AVC_HIGH10:
return "MFX_PROFILE_AVC_HIGH10";
case MFX_PROFILE_AVC_HIGH_422:
return "MFX_PROFILE_AVC_HIGH_422";
case MFX_PROFILE_AVC_CONSTRAINED_BASELINE:
return "MFX_PROFILE_AVC_CONSTRAINED_BASELINE";
case MFX_PROFILE_AVC_CONSTRAINED_HIGH:
return "MFX_PROFILE_AVC_CONSTRAINED_HIGH";
case MFX_PROFILE_AVC_PROGRESSIVE_HIGH:
return "MFX_PROFILE_AVC_PROGRESSIVE_HIGH";
default:
return "<unknown MFX_CODEC_AVC profile";
}
}
case MFX_CODEC_HEVC: {
switch (type) {
case MFX_PROFILE_UNKNOWN:
return "MFX_PROFILE_UNKNOWN";
case MFX_PROFILE_HEVC_MAIN:
return "MFX_PROFILE_HEVC_MAIN";
case MFX_PROFILE_HEVC_MAIN10:
return "MFX_PROFILE_HEVC_MAIN10";
case MFX_PROFILE_HEVC_MAINSP:
return "MFX_PROFILE_HEVC_MAINSP";
case MFX_PROFILE_HEVC_REXT:
return "MFX_PROFILE_HEVC_REXT";
case MFX_PROFILE_HEVC_SCC:
return "MFX_PROFILE_HEVC_SCC";
default:
return "<unknown MFX_CODEC_HEVC profile";
}
}
case MFX_CODEC_MPEG2: {
switch (type) {
case MFX_PROFILE_UNKNOWN:
return "MFX_PROFILE_UNKNOWN";
case MFX_PROFILE_MPEG2_SIMPLE:
return "MFX_PROFILE_MPEG2_SIMPLE";
case MFX_PROFILE_MPEG2_MAIN:
return "MFX_PROFILE_MPEG2_MAIN";
case MFX_LEVEL_MPEG2_HIGH:
return "MFX_LEVEL_MPEG2_HIGH";
case MFX_LEVEL_MPEG2_HIGH1440:
return "MFX_LEVEL_MPEG2_HIGH1440";
default:
return "<unknown MFX_CODEC_MPEG2 profile";
}
}
case MFX_CODEC_VP8: {
switch (type) {
case MFX_PROFILE_UNKNOWN:
return "MFX_PROFILE_UNKNOWN";
case MFX_PROFILE_VP8_0:
return "MFX_PROFILE_VP8_0";
case MFX_PROFILE_VP8_1:
return "MFX_PROFILE_VP8_1";
case MFX_PROFILE_VP8_2:
return "MFX_PROFILE_VP8_2";
case MFX_PROFILE_VP8_3:
return "MFX_PROFILE_VP8_3";
default:
return "<unknown MFX_CODEC_VP8 profile";
}
}
case MFX_CODEC_VC1: {
switch (type) {
case MFX_PROFILE_UNKNOWN:
return "MFX_PROFILE_UNKNOWN";
case MFX_PROFILE_VC1_SIMPLE:
return "MFX_PROFILE_VC1_SIMPLE";
case MFX_PROFILE_VC1_MAIN:
return "MFX_PROFILE_VC1_MAIN";
case MFX_PROFILE_VC1_ADVANCED:
return "MFX_PROFILE_VC1_ADVANCED";
default:
return "<unknown MFX_CODEC_VC1 profile";
}
}
case MFX_CODEC_VP9: {
switch (type) {
case MFX_PROFILE_UNKNOWN:
return "MFX_PROFILE_UNKNOWN";
case MFX_PROFILE_VP9_0:
return "MFX_PROFILE_VP9_0";
case MFX_PROFILE_VP9_1:
return "MFX_PROFILE_VP9_1";
case MFX_PROFILE_VP9_2:
return "MFX_PROFILE_VP9_2";
case MFX_PROFILE_VP9_3:
return "MFX_PROFILE_VP9_3";
default:
return "<unknown MFX_CODEC_VP9 profile";
}
}
case MFX_CODEC_AV1: {
switch (type) {
case MFX_PROFILE_UNKNOWN:
return "MFX_PROFILE_UNKNOWN";
case MFX_PROFILE_AV1_MAIN:
return "MFX_PROFILE_AV1_MAIN";
case MFX_PROFILE_AV1_HIGH:
return "MFX_PROFILE_AV1_HIGH";
case MFX_PROFILE_AV1_PRO:
return "MFX_PROFILE_AV1_PRO";
default:
return "<unknown MFX_CODEC_AV1 profile";
}
}
default:
return "unknown codec type :";
}
}
mfxU32 cstr_to_mfx_version(const char* cstr) {
if (!cstr) {
return std::numeric_limits<mfxU32>::max();
}
const char* delim = strchr(cstr, '.');
if (!delim) {
// in digital form - return as is
return std::stoul(cstr, nullptr, 10);
}
std::string major (cstr, delim - cstr);
std::string minor (delim + 1);
mfxU32 major_val = std::stoul(major, nullptr, 10);
mfxU32 minor_val = std::stoul(minor, nullptr, 10);
// pack to digital form
return {major_val << 16 | minor_val};
}
std::ostream& operator<< (std::ostream& out, const mfxImplDescription& idesc)
{
out << "mfxImplDescription.Version: " << static_cast<int>(idesc.Version.Major)
<< "." << static_cast<int>(idesc.Version.Minor) << std::endl;
out << "mfxImplDescription.Impl: " << mfx_impl_to_cstr(idesc.Impl) << std::endl;
out << "(*)mfxImplDescription.AccelerationMode: " << mfx_accel_mode_to_cstr(idesc.AccelerationMode) << std::endl;
out << "mfxImplDescription.ApiVersion: " << idesc.ApiVersion.Major << "." << idesc.ApiVersion.Minor << std::endl;
out << "(*)mfxImplDescription.ApiVersion.Version: " << idesc.ApiVersion.Version << std::endl;
out << "mfxImplDescription.ImplName: " << idesc.ImplName << std::endl;
out << "mfxImplDescription.License: " << idesc.License << std::endl;
out << "mfxImplDescription.Keywords: " << idesc.Keywords << std::endl;
out << "mfxImplDescription.VendorID: " << idesc.VendorID << std::endl;
out << "mfxImplDescription.VendorImplID: " << idesc.VendorImplID << std::endl;
const mfxAccelerationModeDescription &accel = idesc.AccelerationModeDescription;
out << "mfxImplDescription.mfxAccelerationMode.Version: " << static_cast<int>(accel.Version.Major)
<< "." << static_cast<int>(accel.Version.Minor) << std::endl;
for (int mode = 0; mode < accel.NumAccelerationModes; mode++) {
out << "mfxImplDescription.mfxAccelerationMode.Mode: " << mfx_accel_mode_to_cstr(accel.Mode[mode]) << std::endl;
}
const mfxDeviceDescription &dev = idesc.Dev;
out << "mfxImplDescription.mfxDeviceDescription.Version: " << static_cast<int>(dev.Version.Major)
<< "." << static_cast<int>(dev.Version.Minor) << std::endl;
out << "mfxImplDescription.mfxDeviceDescription.DeviceID: " << dev.DeviceID << std::endl;
for (int subdevice = 0; subdevice < dev.NumSubDevices; subdevice++) {
out << "mfxImplDescription.mfxDeviceDescription.subdevices.Index: " << dev.SubDevices[subdevice].Index << std::endl;
out << "mfxImplDescription.mfxDeviceDescription.subdevices.SubDeviceID: " << dev.SubDevices[subdevice].SubDeviceID << std::endl;
}
/* mfxDecoderDescription */
const mfxDecoderDescription &dec = idesc.Dec;
out << "mfxImplDescription.mfxDecoderDescription.Version: " << static_cast<int>(dec.Version.Major)
<< "." << static_cast<int>(dec.Version.Minor) << std::endl;
for (int codec = 0; codec < dec.NumCodecs; codec++) {
auto cid = dec.Codecs[codec].CodecID;
out << "(*)mfxImplDescription.mfxDecoderDescription.decoder.CodecID: " << cid;//(cid & 0xff) << "." << (cid >> 8 & 0xff) << "." << (cid >> 16 & 0xff) << "." << (cid >> 24 & 0xff) << std::endl;
out << "mfxImplDescription.mfxDecoderDescription.decoder.MaxcodecLevel: " << dec.Codecs[codec].MaxcodecLevel << std::endl;
for (int profile = 0; profile < dec.Codecs[codec].NumProfiles; profile++) {
out << "mfxImplDescription.mfxDecoderDescription.decoder.Profiles: "
<< mfx_codec_type_to_cstr(dec.Codecs[codec].CodecID,
dec.Codecs[codec].Profiles[profile].Profile) << std::endl;
for (int memtype = 0; memtype < dec.Codecs[codec].Profiles[profile].NumMemTypes; memtype++) {
out << "mfxImplDescription.mfxDecoderDescription.decoder.Profiles.MemDesc.MemHandleType: "
<< mfx_resource_type_to_cstr(dec.Codecs[codec].Profiles[profile].MemDesc[memtype].MemHandleType) << std::endl;
out << "mfxImplDescription.mfxDecoderDescription.decoder.Profiles.MemDesc.Width.Min: "
<< dec.Codecs[codec].Profiles[profile].MemDesc[memtype].Width.Min << std::endl;
out << "mfxImplDescription.mfxDecoderDescription.decoder.Profiles.MemDesc.Width.Max: "
<< dec.Codecs[codec].Profiles[profile].MemDesc[memtype].Width.Max << std::endl;
out << "mfxImplDescription.mfxDecoderDescription.decoder.Profiles.MemDesc.Width.Step: "
<< dec.Codecs[codec].Profiles[profile].MemDesc[memtype].Width.Step << std::endl;
out << "mfxImplDescription.mfxDecoderDescription.decoder.Profiles.MemDesc.Height.Min: "
<< dec.Codecs[codec].Profiles[profile].MemDesc[memtype].Height.Min << std::endl;
out << "mfxImplDescription.mfxDecoderDescription.decoder.Profiles.MemDesc.Height.Max: "
<< dec.Codecs[codec].Profiles[profile].MemDesc[memtype].Height.Max << std::endl;
out << "mfxImplDescription.mfxDecoderDescription.decoder.Profiles.MemDesc.Height.Step: "
<< dec.Codecs[codec].Profiles[profile].MemDesc[memtype].Height.Step << std::endl;
}
}
}
out << "mfxImplDescription.NumExtParam: " << idesc.NumExtParam << std::endl;
out << "\n(*) - configurable params" << std::endl;
return out;
}
std::string mfxstatus_to_string(mfxStatus err) {
switch(err)
{
case MFX_ERR_NONE:
return "MFX_ERR_NONE";
case MFX_ERR_UNKNOWN:
return "MFX_ERR_UNKNOWN";
case MFX_ERR_NULL_PTR:
return "MFX_ERR_NULL_PTR";
case MFX_ERR_UNSUPPORTED:
return "MFX_ERR_UNSUPPORTED";
case MFX_ERR_MEMORY_ALLOC:
return "MFX_ERR_MEMORY_ALLOC";
case MFX_ERR_NOT_ENOUGH_BUFFER:
return "MFX_ERR_NOT_ENOUGH_BUFFER";
case MFX_ERR_INVALID_HANDLE:
return "MFX_ERR_INVALID_HANDLE";
case MFX_ERR_LOCK_MEMORY:
return "MFX_ERR_LOCK_MEMORY";
case MFX_ERR_NOT_INITIALIZED:
return "MFX_ERR_NOT_INITIALIZED";
case MFX_ERR_NOT_FOUND:
return "MFX_ERR_NOT_FOUND";
case MFX_ERR_MORE_DATA:
return "MFX_ERR_MORE_DATA";
case MFX_ERR_MORE_SURFACE:
return "MFX_ERR_MORE_SURFACE";
case MFX_ERR_ABORTED:
return "MFX_ERR_ABORTED";
case MFX_ERR_DEVICE_LOST:
return "MFX_ERR_DEVICE_LOST";
case MFX_ERR_INCOMPATIBLE_VIDEO_PARAM:
return "MFX_ERR_INCOMPATIBLE_VIDEO_PARAM";
case MFX_ERR_INVALID_VIDEO_PARAM:
return "MFX_ERR_INVALID_VIDEO_PARAM";
case MFX_ERR_UNDEFINED_BEHAVIOR:
return "MFX_ERR_UNDEFINED_BEHAVIOR";
case MFX_ERR_DEVICE_FAILED:
return "MFX_ERR_DEVICE_FAILED";
case MFX_ERR_MORE_BITSTREAM:
return "MFX_ERR_MORE_BITSTREAM";
case MFX_ERR_GPU_HANG:
return "MFX_ERR_GPU_HANG";
case MFX_ERR_REALLOC_SURFACE:
return "MFX_ERR_REALLOC_SURFACE";
case MFX_ERR_RESOURCE_MAPPED:
return "MFX_ERR_RESOURCE_MAPPED";
case MFX_ERR_NOT_IMPLEMENTED:
return "MFX_ERR_NOT_IMPLEMENTED";
case MFX_WRN_DEVICE_BUSY:
return "MFX_WRN_DEVICE_BUSY";
case MFX_WRN_VIDEO_PARAM_CHANGED:
return "MFX_WRN_VIDEO_PARAM_CHANGED";
default:
break;
}
std::string ret("<unknown ");
ret += std::to_string(err) + ">";
return ret;
}
} // namespace onevpl
} // namespace wip
} // namespace gapi
} // namespace cv
#endif // HAVE_ONEVPL

@ -26,9 +26,27 @@ namespace gapi {
namespace wip {
namespace onevpl {
inline std::string mfxstatus_to_string(mfxStatus) {
return "UNKNOWN";
}
const char* mfx_impl_to_cstr(const mfxIMPL impl);
mfxIMPL cstr_to_mfx_impl(const char* cstr);
const char* mfx_accel_mode_to_cstr (const mfxAccelerationMode mode);
mfxAccelerationMode cstr_to_mfx_accel_mode(const char* cstr);
const char* mfx_resource_type_to_cstr (const mfxResourceType type);
mfxResourceType cstr_to_mfx_resource_type(const char* cstr);
mfxU32 cstr_to_mfx_codec_id(const char* cstr);
const char* mfx_codec_type_to_cstr(const mfxU32 fourcc, const mfxU32 type);
mfxU32 cstr_to_mfx_version(const char* cstr);
std::string mfxstatus_to_string(mfxStatus err);
std::ostream& operator<< (std::ostream& out, const mfxImplDescription& idesc);
} // namespace onevpl
} // namespace wip

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