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[Nexus] fix ffmpeg build on binutils version 2.41 or higher #287

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Mar 31, 2024
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Original file line number Diff line number Diff line change
@@ -0,0 +1,58 @@
--- 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 changes: 1 addition & 1 deletion inputstream.ffmpegdirect/addon.xml.in
Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
<?xml version="1.0" encoding="UTF-8"?>
<addon
id="inputstream.ffmpegdirect"
version="20.5.0"
version="20.5.1"
name="Inputstream FFmpeg Direct"
provider-name="Ross Nicholson">
<requires>@ADDON_DEPENDS@</requires>
Expand Down
3 changes: 3 additions & 0 deletions inputstream.ffmpegdirect/changelog.txt
Original file line number Diff line number Diff line change
@@ -1,3 +1,6 @@
v20.5.1
- Fix ffmpeg assembling with binutil as >= 2.41

v20.5.0
- Kodi inputstream API update to version 3.2.0

Expand Down
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