configure: ensure --enable-libmfx uses libmfx 1.x
Intel's oneVPL is a successor to MediaSDK, but removed some obsolete features of MediaSDK[1], some early versions of oneVPL still use libmfx as library name[2]. However some of obsolete features, including OPAQUE memory, multi-frame encode, user plugins and LA_EXT rate control mode etc, have been enabled in QSV, so user can not use --enable-libmfx to enable QSV if using an early version of oneVPL SDK. In order to ensure user builds FFmpeg against a right version of libmfx, this patch added a check for version < 2.0 and warning message about the used obsolete features. [1] https://spec.oneapi.io/versions/latest/elements/oneVPL/source/VPL_intel_media_sdk.html [2] https://github.com/oneapi-src/oneVPL
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@ -6583,10 +6583,12 @@ enabled liblensfun && require_pkg_config liblensfun lensfun lensfun.h lf_
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# Media SDK or Intel Media Server Studio, these don't come with
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# pkg-config support. Instead, users should make sure that the build
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# can find the libraries and headers through other means.
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enabled libmfx && { check_pkg_config libmfx "libmfx >= 1.28" "mfx/mfxvideo.h" MFXInit ||
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{ require libmfx "mfx/mfxvideo.h mfx/mfxdefs.h" MFXInit "-llibmfx $advapi32_extralibs" &&
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{ test_cpp_condition mfx/mfxdefs.h "MFX_VERSION >= 1028" || die "ERROR: libmfx version must be >= 1.28"; } &&
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warn "using libmfx without pkg-config"; } }
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enabled libmfx && { { check_pkg_config libmfx "libmfx >= 1.28 libmfx < 2.0" "mfx/mfxvideo.h" MFXInit ||
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{ require libmfx "mfx/mfxvideo.h mfx/mfxdefs.h" MFXInit "-llibmfx $advapi32_extralibs" &&
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{ test_cpp_condition mfx/mfxdefs.h "MFX_VERSION >= 1028 && MFX_VERSION < 2000" || die "ERROR: libmfx version must be >= 1.28 and < 2.0"; } &&
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warn "using libmfx without pkg-config"; } } &&
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warn "build FFmpeg against libmfx 1.x, obsolete features of libmfx such as OPAQUE memory,\n"\
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"multi-frame encode, user plugins and LA_EXT rate control mode are enabled"; }
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if enabled libmfx; then
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check_cc MFX_CODEC_VP9 "mfx/mfxvp9.h mfx/mfxstructures.h" "MFX_CODEC_VP9"
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