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62 lines
2 KiB
Diff
62 lines
2 KiB
Diff
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From 3c20057d0cbbbed453a692d4dd4589d865808024 Mon Sep 17 00:00:00 2001
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From: Liliana Marie Prikler <liliana.prikler@gmail.com>
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Date: Sat, 29 Jan 2022 10:44:44 +0100
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Subject: [PATCH] Add pkg-config fallback for locating ffmpeg.
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Audacity >=3.1.0 no longer links against ffmpeg, but instead dynamically loads
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it. This dynamic loading mechanism fails to properly locate libraries outside
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of LD_LIBRARY_PATH.
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See <https://issues.guix.gnu.org/53591>.
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Bugs-added-by: Marius Bakke <marius@gnu.org>
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diff --git a/libraries/lib-ffmpeg-support/CMakeLists.txt b/libraries/lib-ffmpeg-support/CMakeLists.txt
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index b8803a1f5..f86559cca 100644
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--- a/modules/mod-ffmpeg/lib-ffmpeg-support/CMakeLists.txt
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+++ b/modules/mod-ffmpeg/lib-ffmpeg-support/CMakeLists.txt
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@@ -1,5 +1,7 @@
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if (${_OPT}use_ffmpeg)
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+ pkg_check_modules(FFMPEG libavcodec libavformat libavutil)
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+
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set( SOURCES
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FFmpegTypes.h
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@@ -107,6 +109,12 @@ if (${_OPT}use_ffmpeg)
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list(APPEND DEFINITIONS PRIVATE _DARWIN_C_SOURCE )
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endif()
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+ if (FFMPEG_FOUND)
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+ pkg_get_variable(LIBAVCODEC_LIBDIR libavcodec libdir)
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+ list(APPEND DEFINITIONS PRIVATE
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+ "-DFFMPEG_PC_LIBDIR=\"${LIBAVCODEC_LIBDIR}\"")
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+ endif()
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+
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audacity_library( lib-ffmpeg-support "${SOURCES}" "${LIBRARIES}"
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"${DEFINITIONS}" ""
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)
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diff --git a/libraries/lib-ffmpeg-support/FFmpegFunctions.cpp b/libraries/lib-ffmpeg-support/FFmpegFunctions.cpp
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index 55d6f676b..46640ef83 100644
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--- a/modules/mod-ffmpeg/lib-ffmpeg-support/FFmpegFunctions.cpp
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+++ b/modules/mod-ffmpeg/lib-ffmpeg-support/FFmpegFunctions.cpp
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@@ -246,6 +246,18 @@ struct FFmpegFunctions::Private final
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if (library->IsLoaded())
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return library;
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+#if defined(FFMPEG_PC_LIBDIR)
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+ {
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+ static const wxString libdir{FFMPEG_PC_LIBDIR};
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+ const wxString fullName = wxFileName(libdir, libraryName).GetFullPath();
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+
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+ auto library = std::make_shared<wxDynamicLibrary>(fullName);
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+
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+ if (library->IsLoaded())
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+ return library;
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+ }
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+#endif
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+
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return {};
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}
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};
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