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Merge pull request #6153 from FreezyLemon/ffmpeg-use-versioned-libs-o…
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…n-linux

FFmpeg Linux binaries: Include version in file name
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smoogipoo authored Mar 26, 2024
2 parents ddb7add + 65fe58b commit e9a04cd
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Showing 2 changed files with 82 additions and 3 deletions.
9 changes: 6 additions & 3 deletions osu.Framework.NativeLibs/scripts/ffmpeg/build-linux.sh
Original file line number Diff line number Diff line change
Expand Up @@ -19,13 +19,16 @@ FFMPEG_FLAGS+=(

pushd . > /dev/null
prep_ffmpeg linux-x64
# Apply patch from upstream to fix errors with new binutils versions:
# Ticket: https://fftrac-bg.ffmpeg.org/ticket/10405
# This patch should be removed when FFmpeg is updated to >=6.1
patch -p1 < "$SCRIPT_PATH/fix-binutils-2.41.patch"
build_ffmpeg
popd > /dev/null

# gcc creates multiple symlinks per .so file for versioning.
# We want to delete the symlinks to prevent weird behaviour with GitHub actions.
# We delete the symlinks and rename the real files to include the major library version
rm linux-x64/*.so
for f in linux-x64/*.so.*.*.*; do
mv -v "$f" "${f%.*.*.*}"
mv -vf "$f" "${f%.*.*}"
done
rm linux-x64/*.so.*
76 changes: 76 additions & 0 deletions osu.Framework.NativeLibs/scripts/ffmpeg/fix-binutils-2.41.patch
Original file line number Diff line number Diff line change
@@ -0,0 +1,76 @@
From effadce6c756247ea8bae32dc13bb3e6f464f0eb Mon Sep 17 00:00:00 2001
From: =?utf8?q?R=C3=A9mi=20Denis-Courmont?= <[email protected]>
Date: Sun, 16 Jul 2023 18:18:02 +0300
Subject: [PATCH] avcodec/x86/mathops: clip constants used with shift
instructions within inline assembly

Fixes assembling with binutil as >= 2.41

Signed-off-by: James Almer <[email protected]>
---
libavcodec/x86/mathops.h | 26 +++++++++++++++++++++++---
1 file changed, 23 insertions(+), 3 deletions(-)

diff --git a/libavcodec/x86/mathops.h b/libavcodec/x86/mathops.h
index 6298f5ed19..ca7e2dffc1 100644
--- a/libavcodec/x86/mathops.h
+++ b/libavcodec/x86/mathops.h
@@ -35,12 +35,20 @@
static av_always_inline av_const int MULL(int a, int b, unsigned shift)
{
int rt, dummy;
+ if (__builtin_constant_p(shift))
__asm__ (
"imull %3 \n\t"
"shrdl %4, %%edx, %%eax \n\t"
:"=a"(rt), "=d"(dummy)
- :"a"(a), "rm"(b), "ci"((uint8_t)shift)
+ :"a"(a), "rm"(b), "i"(shift & 0x1F)
);
+ else
+ __asm__ (
+ "imull %3 \n\t"
+ "shrdl %4, %%edx, %%eax \n\t"
+ :"=a"(rt), "=d"(dummy)
+ :"a"(a), "rm"(b), "c"((uint8_t)shift)
+ );
return rt;
}

@@ -113,19 +121,31 @@ __asm__ volatile(\
// avoid +32 for shift optimization (gcc should do that ...)
#define NEG_SSR32 NEG_SSR32
static inline int32_t NEG_SSR32( int32_t a, int8_t s){
+ if (__builtin_constant_p(s))
__asm__ ("sarl %1, %0\n\t"
: "+r" (a)
- : "ic" ((uint8_t)(-s))
+ : "i" (-s & 0x1F)
);
+ else
+ __asm__ ("sarl %1, %0\n\t"
+ : "+r" (a)
+ : "c" ((uint8_t)(-s))
+ );
return a;
}

#define NEG_USR32 NEG_USR32
static inline uint32_t NEG_USR32(uint32_t a, int8_t s){
+ if (__builtin_constant_p(s))
__asm__ ("shrl %1, %0\n\t"
: "+r" (a)
- : "ic" ((uint8_t)(-s))
+ : "i" (-s & 0x1F)
);
+ else
+ __asm__ ("shrl %1, %0\n\t"
+ : "+r" (a)
+ : "c" ((uint8_t)(-s))
+ );
return a;
}

--
2.30.2

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