From bf1cf8da02d174880d5ff008ebcced68cedf4875 Mon Sep 17 00:00:00 2001 From: ramiro Date: Thu, 19 Mar 2009 21:52:44 +0000 Subject: Allocate executable memory with VirtualAlloc() in Windows. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@29006 b3059339-0415-0410-9bf9-f77b7e298cf2 --- libswscale/swscale.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'libswscale') diff --git a/libswscale/swscale.c b/libswscale/swscale.c index a10122a19c..9a74f95f86 100644 --- a/libswscale/swscale.c +++ b/libswscale/swscale.c @@ -68,6 +68,10 @@ untested special converters #define MAP_ANONYMOUS MAP_ANON #endif #endif +#if HAVE_VIRTUALALLOC +#define WIN32_LEAN_AND_MEAN +#include +#endif #include "swscale.h" #include "swscale_internal.h" #include "rgb2rgb.h" @@ -2566,6 +2570,9 @@ SwsContext *sws_getContext(int srcW, int srcH, enum PixelFormat srcFormat, int d #ifdef MAP_ANONYMOUS c->funnyYCode = mmap(NULL, MAX_FUNNY_CODE_SIZE, PROT_EXEC | PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); c->funnyUVCode = mmap(NULL, MAX_FUNNY_CODE_SIZE, PROT_EXEC | PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); +#elif HAVE_VIRTUALALLOC + c->funnyYCode = VirtualAlloc(NULL, MAX_FUNNY_CODE_SIZE, MEM_COMMIT, PAGE_EXECUTE_READWRITE); + c->funnyUVCode = VirtualAlloc(NULL, MAX_FUNNY_CODE_SIZE, MEM_COMMIT, PAGE_EXECUTE_READWRITE); #else c->funnyYCode = av_malloc(MAX_FUNNY_CODE_SIZE); c->funnyUVCode = av_malloc(MAX_FUNNY_CODE_SIZE); @@ -3214,6 +3221,9 @@ void sws_freeContext(SwsContext *c){ #ifdef MAP_ANONYMOUS if (c->funnyYCode ) munmap(c->funnyYCode , MAX_FUNNY_CODE_SIZE); if (c->funnyUVCode) munmap(c->funnyUVCode, MAX_FUNNY_CODE_SIZE); +#elif HAVE_VIRTUALALLOC + if (c->funnyYCode ) VirtualFree(c->funnyYCode , MAX_FUNNY_CODE_SIZE, MEM_RELEASE); + if (c->funnyUVCode) VirtualFree(c->funnyUVCode, MAX_FUNNY_CODE_SIZE, MEM_RELEASE); #else av_free(c->funnyYCode ); av_free(c->funnyUVCode); -- cgit v1.2.3