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Ensure temp. buffers for YUV output are 16-byte aligned on 32-bit Windows

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This commit is contained in:
DRC
2011-01-05 22:33:24 +00:00
parent fd7105e1d6
commit 3c7c57b3ad
1 changed files with 16 additions and 10 deletions
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26
turbojpegl.c
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@@ -29,7 +29,10 @@
void *__memalign(size_t boundary, size_t size)
{
#if defined(_WIN32) || defined(__APPLE__)
#ifdef _WIN32
return _aligned_malloc(size, boundary);
#else
#ifdef __APPLE__
return malloc(size);
#else
#ifdef sun
@@ -40,8 +43,13 @@ void *__memalign(size_t boundary, size_t size)
return ptr;
#endif
#endif
#endif
}
#ifndef _WIN32
#define _aligned_free(addr) free(addr)
#endif
#ifndef min
#define min(a,b) ((a)<(b)?(a):(b))
#endif
@@ -196,9 +204,9 @@ DLLEXPORT int DLLCALL tjCompress(tjhandle h,
for(i=0; i<MAX_COMPONENTS; i++)
{
if(tmpbuf[i]!=NULL) free(tmpbuf[i]);
if(_tmpbuf[i]!=NULL) free(_tmpbuf[i]);
if(_tmpbuf[i]!=NULL) _aligned_free(_tmpbuf[i]);
if(tmpbuf2[i]!=NULL) free(tmpbuf2[i]);
if(_tmpbuf2[i]!=NULL) free(_tmpbuf2[i]);
if(_tmpbuf2[i]!=NULL) _aligned_free(_tmpbuf2[i]);
if(outbuf[i]!=NULL) free(outbuf[i]);
}
return -1;
@@ -251,8 +259,7 @@ DLLEXPORT int DLLCALL tjCompress(tjhandle h,
PAD((compptr->width_in_blocks*cinfo->max_h_samp_factor*DCTSIZE)
/compptr->h_samp_factor, 16) * cinfo->max_v_samp_factor);
if(!_tmpbuf[i]) _throw("Memory allocation failure");
tmpbuf[i]=(JSAMPROW *)__memalign(16,
sizeof(JSAMPROW)*cinfo->max_v_samp_factor);
tmpbuf[i]=(JSAMPROW *)malloc(sizeof(JSAMPROW)*cinfo->max_v_samp_factor);
if(!tmpbuf[i]) _throw("Memory allocation failure");
for(row=0; row<cinfo->max_v_samp_factor; row++)
tmpbuf[i][row]=&_tmpbuf[i][
@@ -261,15 +268,14 @@ DLLEXPORT int DLLCALL tjCompress(tjhandle h,
_tmpbuf2[i]=(JSAMPLE *)__memalign(16,
PAD(compptr->width_in_blocks*DCTSIZE, 16) * compptr->v_samp_factor);
if(!_tmpbuf2[i]) _throw("Memory allocation failure");
tmpbuf2[i]=(JSAMPROW *)__memalign(16,
sizeof(JSAMPROW)*compptr->v_samp_factor);
tmpbuf2[i]=(JSAMPROW *)malloc(sizeof(JSAMPROW)*compptr->v_samp_factor);
if(!tmpbuf2[i]) _throw("Memory allocation failure");
for(row=0; row<compptr->v_samp_factor; row++)
tmpbuf2[i][row]=&_tmpbuf2[i][
PAD(compptr->width_in_blocks*DCTSIZE, 16) * row];
cw[i]=pw*compptr->h_samp_factor/cinfo->max_h_samp_factor;
ch[i]=ph*compptr->v_samp_factor/cinfo->max_v_samp_factor;
outbuf[i]=(JSAMPROW *)__memalign(16, sizeof(JSAMPROW)*ch[i]);
outbuf[i]=(JSAMPROW *)malloc(sizeof(JSAMPROW)*ch[i]);
if(!outbuf[i]) _throw("Memory allocation failure");
for(row=0; row<ch[i]; row++)
{
@@ -317,9 +323,9 @@ DLLEXPORT int DLLCALL tjCompress(tjhandle h,
for(i=0; i<MAX_COMPONENTS; i++)
{
if(tmpbuf[i]!=NULL) free(tmpbuf[i]);
if(_tmpbuf[i]!=NULL) free(_tmpbuf[i]);
if(_tmpbuf[i]!=NULL) _aligned_free(_tmpbuf[i]);
if(tmpbuf2[i]!=NULL) free(tmpbuf2[i]);
if(_tmpbuf2[i]!=NULL) free(_tmpbuf2[i]);
if(_tmpbuf2[i]!=NULL) _aligned_free(_tmpbuf2[i]);
if(outbuf[i]!=NULL) free(outbuf[i]);
}
return 0;