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videoio: plugins API versioning

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This commit is contained in:
Alexander Alekhin
2020-12-04 03:18:16 +00:00
parent 541a09b7ac
commit 9e6b7f5dc1
7 changed files with 182 additions and 141 deletions
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modules/videoio/src/cap_ueye.cpp
+21 -20
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@@ -356,6 +356,8 @@ void VideoCapture_uEye::unlock_image_buffer()
// plugin glue
#if defined(BUILD_PLUGIN)
#define ABI_VERSION 0
#define API_VERSION 0
#include "plugin_api.hpp"
namespace cv
@@ -464,37 +466,36 @@ CvResult CV_API_CALL cv_writer_write(CvPluginWriter /*handle*/, const unsigned c
return CV_ERROR_FAIL;
}
const OpenCV_VideoIO_Plugin_API_preview plugin_api_v0 =
const OpenCV_VideoIO_Plugin_API_preview plugin_api =
{
{
sizeof(OpenCV_VideoIO_Plugin_API_preview), ABI_VERSION, 0/*API_VERSION*/,
sizeof(OpenCV_VideoIO_Plugin_API_preview), ABI_VERSION, API_VERSION,
CV_VERSION_MAJOR, CV_VERSION_MINOR, CV_VERSION_REVISION, CV_VERSION_STATUS,
"uEye OpenCV Video I/O plugin"
},
/* 1*/CAP_UEYE,
/* 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,
/* 13 Writer_open_with_params*/NULL
{
/* 1*/CAP_UEYE,
/* 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
} // namespace cv
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;
if (requested_abi_version == ABI_VERSION && requested_api_version <= API_VERSION)
return &cv::plugin_api;
return NULL;
}
#endif // BUILD_PLUGIN