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Added videoio plugin for MediaSDK

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This commit is contained in:
Maksim Shabunin 2019-05-17 17:23:47 +03:00
parent 9003b60d65
commit 6fc6207e93
6 changed files with 252 additions and 21 deletions
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8
modules/videoio/CMakeLists.txt
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@ -64,9 +64,14 @@ if(DEFINED WINRT AND NOT DEFINED WINRT_8_0 AND NOT DEFINED ENABLE_WINRT_MODE_NAT
${CMAKE_CURRENT_LIST_DIR}/src/cap_winrt/MediaStreamSink.hpp)
endif()
include(${CMAKE_CURRENT_LIST_DIR}/cmake/plugin.cmake)
set(tgts)
if(TARGET ocv.3rdparty.mediasdk)
if("mfx" IN_LIST VIDEOIO_PLUGIN_LIST)
ocv_create_builtin_videoio_plugin("opencv_videoio_intel_mfx" ocv.3rdparty.mediasdk "cap_mfx_common.cpp" "cap_mfx_reader.cpp" "cap_mfx_writer.cpp" "cap_mfx_plugin.cpp")
else()
list(APPEND videoio_srcs
${CMAKE_CURRENT_LIST_DIR}/src/cap_mfx_common.cpp
${CMAKE_CURRENT_LIST_DIR}/src/cap_mfx_reader.cpp
@ -77,6 +82,7 @@ if(TARGET ocv.3rdparty.mediasdk)
${CMAKE_CURRENT_LIST_DIR}/src/cap_mfx_writer.hpp)
list(APPEND tgts ocv.3rdparty.mediasdk)
endif()
endif()
if(TARGET ocv.3rdparty.dshow)
list(APPEND videoio_srcs ${CMAKE_CURRENT_LIST_DIR}/src/cap_dshow.cpp)
@ -100,8 +106,6 @@ if(TARGET ocv.3rdparty.dc1394_2)
list(APPEND tgts ocv.3rdparty.dc1394_2)
endif()
include(${CMAKE_CURRENT_LIST_DIR}/cmake/plugin.cmake)
if(TARGET ocv.3rdparty.gstreamer)
if("gstreamer" IN_LIST VIDEOIO_PLUGIN_LIST)
ocv_create_builtin_videoio_plugin("opencv_videoio_gstreamer" ocv.3rdparty.gstreamer "cap_gstreamer.cpp")

10
modules/videoio/cmake/plugin.cmake
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@ -1,4 +1,4 @@
function(ocv_create_builtin_videoio_plugin name target videoio_src_file)
function(ocv_create_builtin_videoio_plugin name target)
ocv_debug_message("ocv_create_builtin_videoio_plugin(${ARGV})")
@ -11,9 +11,11 @@ function(ocv_create_builtin_videoio_plugin name target videoio_src_file)
message(STATUS "Video I/O: add builtin plugin '${name}'")
add_library(${name} MODULE
"${CMAKE_CURRENT_LIST_DIR}/src/${videoio_src_file}"
)
foreach(src ${ARGN})
list(APPEND sources "${CMAKE_CURRENT_LIST_DIR}/src/${src}")
endforeach()
add_library(${name} MODULE ${sources})
target_include_directories(${name} PRIVATE "${CMAKE_CURRENT_BINARY_DIR}")
target_compile_definitions(${name} PRIVATE BUILD_PLUGIN)
target_link_libraries(${name} PRIVATE ${target})

2
modules/videoio/src/cap_mfx_common.cpp
View File

@ -196,5 +196,3 @@ bool WriteBitstream::isOpened() const
{
return output.is_open();
}
//==================================================================================================

220
modules/videoio/src/cap_mfx_plugin.cpp Normal file
View File

@ -0,0 +1,220 @@
// 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
#if defined(BUILD_PLUGIN)
#include <string>
#include "cap_mfx_reader.hpp"
#include "cap_mfx_writer.hpp"
#include "plugin_api.hpp"
using namespace std;
namespace cv {
static
CvResult CV_API_CALL cv_capture_open(const char* filename, int, CV_OUT CvPluginCapture* handle)
{
if (!handle)
return CV_ERROR_FAIL;
*handle = NULL;
if (!filename)
return CV_ERROR_FAIL;
VideoCapture_IntelMFX *cap = 0;
try
{
if (filename)
{
cap = new VideoCapture_IntelMFX(string(filename));
if (cap->isOpened())
{
*handle = (CvPluginCapture)cap;
return CV_ERROR_OK;
}
}
}
catch (...)
{
}
if (cap)
delete cap;
return CV_ERROR_FAIL;
}
static
CvResult CV_API_CALL cv_capture_release(CvPluginCapture handle)
{
if (!handle)
return CV_ERROR_FAIL;
VideoCapture_IntelMFX* instance = (VideoCapture_IntelMFX*)handle;
delete instance;
return CV_ERROR_OK;
}
static
CvResult CV_API_CALL cv_capture_get_prop(CvPluginCapture handle, int prop, CV_OUT double* val)
{
if (!handle)
return CV_ERROR_FAIL;
if (!val)
return CV_ERROR_FAIL;
try
{
VideoCapture_IntelMFX* instance = (VideoCapture_IntelMFX*)handle;
*val = instance->getProperty(prop);
return CV_ERROR_OK;
}
catch (...)
{
return CV_ERROR_FAIL;
}
}
static
CvResult CV_API_CALL cv_capture_set_prop(CvPluginCapture handle, int prop, double val)
{
if (!handle)
return CV_ERROR_FAIL;
try
{
VideoCapture_IntelMFX* instance = (VideoCapture_IntelMFX*)handle;
return instance->setProperty(prop, val) ? CV_ERROR_OK : CV_ERROR_FAIL;
}
catch(...)
{
return CV_ERROR_FAIL;
}
}
static
CvResult CV_API_CALL cv_capture_grab(CvPluginCapture handle)
{
if (!handle)
return CV_ERROR_FAIL;
try
{
VideoCapture_IntelMFX* instance = (VideoCapture_IntelMFX*)handle;
return instance->grabFrame() ? CV_ERROR_OK : CV_ERROR_FAIL;
}
catch(...)
{
return CV_ERROR_FAIL;
}
}
static
CvResult CV_API_CALL cv_capture_retrieve(CvPluginCapture handle, int stream_idx, cv_videoio_retrieve_cb_t callback, void* userdata)
{
if (!handle)
return CV_ERROR_FAIL;
try
{
VideoCapture_IntelMFX* instance = (VideoCapture_IntelMFX*)handle;
Mat img;
if (instance->retrieveFrame(stream_idx, img))
return callback(stream_idx, img.data, img.step, img.cols, img.rows, img.channels(), userdata);
return CV_ERROR_FAIL;
}
catch(...)
{
return CV_ERROR_FAIL;
}
}
static
CvResult CV_API_CALL cv_writer_open(const char* filename, int fourcc, double fps, int width, int height, int isColor,
CV_OUT CvPluginWriter* handle)
{
VideoWriter_IntelMFX* wrt = 0;
try
{
wrt = new VideoWriter_IntelMFX(filename, fourcc, fps, Size(width, height), isColor);
if(wrt->isOpened())
{
*handle = (CvPluginWriter)wrt;
return CV_ERROR_OK;
}
}
catch(...)
{
}
if (wrt)
delete wrt;
return CV_ERROR_FAIL;
}
static
CvResult CV_API_CALL cv_writer_release(CvPluginWriter handle)
{
if (!handle)
return CV_ERROR_FAIL;
VideoWriter_IntelMFX* instance = (VideoWriter_IntelMFX*)handle;
delete instance;
return CV_ERROR_OK;
}
static
CvResult CV_API_CALL cv_writer_get_prop(CvPluginWriter /*handle*/, int /*prop*/, CV_OUT double* /*val*/)
{
return CV_ERROR_FAIL;
}
static
CvResult CV_API_CALL cv_writer_set_prop(CvPluginWriter /*handle*/, int /*prop*/, double /*val*/)
{
return CV_ERROR_FAIL;
}
static
CvResult CV_API_CALL cv_writer_write(CvPluginWriter handle, const unsigned char *data, int step, int width, int height, int cn)
{
if (!handle)
return CV_ERROR_FAIL;
try
{
VideoWriter_IntelMFX* instance = (VideoWriter_IntelMFX*)handle;
Mat img(Size(width, height), CV_MAKETYPE(CV_8U, cn), const_cast<uchar*>(data), step);
instance->write(img);
return CV_ERROR_OK;
}
catch(...)
{
return CV_ERROR_FAIL;
}
}
static const OpenCV_VideoIO_Plugin_API_preview plugin_api_v0 =
{
{
sizeof(OpenCV_VideoIO_Plugin_API_preview), ABI_VERSION, API_VERSION,
CV_VERSION_MAJOR, CV_VERSION_MINOR, CV_VERSION_REVISION, CV_VERSION_STATUS,
"MediaSDK OpenCV Video I/O plugin"
},
/* 1*/CAP_INTEL_MFX,
/* 2*/cv_capture_open,
/* 3*/cv_capture_release,
/* 4*/cv_capture_get_prop,
/* 5*/cv_capture_set_prop,
/* 6*/cv_capture_grab,
/* 7*/cv_capture_retrieve,
/* 8*/cv_writer_open,
/* 9*/cv_writer_release,
/* 10*/cv_writer_get_prop,
/* 11*/cv_writer_set_prop,
/* 12*/cv_writer_write
};
} // namespace
const OpenCV_VideoIO_Plugin_API_preview* opencv_videoio_plugin_init_v0(int requested_abi_version, int requested_api_version, void* /*reserved=NULL*/) CV_NOEXCEPT
{
if (requested_abi_version != 0)
return NULL;
if (requested_api_version != 0)
return NULL;
return &cv::plugin_api_v0;
}
#endif // BUILD_PLUGIN

2
modules/videoio/src/videoio_registry.cpp
View File

@ -70,6 +70,8 @@ static const struct VideoBackendInfo builtin_backends[] =
#ifdef HAVE_MFX // Media SDK
DECLARE_STATIC_BACKEND(CAP_INTEL_MFX, "INTEL_MFX", MODE_CAPTURE_BY_FILENAME | MODE_WRITER, create_MFX_capture, 0, create_MFX_writer),
#elif defined(ENABLE_PLUGINS)
DECLARE_DYNAMIC_BACKEND(CAP_INTEL_MFX, "INTEL_MFX", MODE_CAPTURE_BY_FILENAME | MODE_WRITER),
#endif
// Apple platform

13
modules/videoio/test/test_mfx.cpp
View File

@ -4,12 +4,13 @@
#include "test_precomp.hpp"
#ifdef HAVE_MFX
namespace opencv_test { namespace {
TEST(videoio_mfx, read_invalid)
{
if (!videoio_registry::hasBackend(CAP_INTEL_MFX))
throw SkipTestException("MediaSDK backend was not found");
VideoCapture cap;
ASSERT_NO_THROW(cap.open("nonexistent-file", CAP_INTEL_MFX));
ASSERT_FALSE(cap.isOpened());
@ -20,6 +21,9 @@ TEST(videoio_mfx, read_invalid)
TEST(videoio_mfx, write_invalid)
{
if (!videoio_registry::hasBackend(CAP_INTEL_MFX))
throw SkipTestException("MediaSDK backend was not found");
const string filename = cv::tempfile(".264");
VideoWriter writer;
bool res = true;
@ -84,6 +88,9 @@ typedef testing::TestWithParam< Size_FPS_Ext > videoio_mfx;
TEST_P(videoio_mfx, read_write_raw)
{
if (!videoio_registry::hasBackend(CAP_INTEL_MFX))
throw SkipTestException("MediaSDK backend was not found");
const Size FRAME_SIZE = get<0>(GetParam());
const double FPS = get<1>(GetParam());
const char *ext = get<2>(GetParam());
@ -144,5 +151,3 @@ INSTANTIATE_TEST_CASE_P(videoio, videoio_mfx,
testing::Values(".mpeg2", ".264", ".265")));
}} // namespace
#endif