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fixed static init 

Originally committed as revision 1799 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Fabrice Bellard 2003-04-20 16:16:52 +00:00
parent fab219971e
commit 59cf08ce90
3 changed files with 20 additions and 17 deletions
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34
libavcodec/dsputil.c
View File

@ -2489,26 +2489,28 @@ static void ff_jref_idct_add(uint8_t *dest, int line_size, DCTELEM *block)
add_pixels_clamped_c(block, dest, line_size);
}
void dsputil_init(DSPContext* c, AVCodecContext *avctx)
/* init static data */
void dsputil_static_init(void)
{
static int init_done = 0;
int i;
if (!init_done) {
for(i=0;i<256;i++) cropTbl[i + MAX_NEG_CROP] = i;
for(i=0;i<MAX_NEG_CROP;i++) {
cropTbl[i] = 0;
cropTbl[i + MAX_NEG_CROP + 256] = 255;
}
for(i=0;i<512;i++) {
squareTbl[i] = (i - 256) * (i - 256);
}
for(i=0; i<64; i++) inv_zigzag_direct16[ff_zigzag_direct[i]]= i+1;
init_done = 1;
for(i=0;i<256;i++) cropTbl[i + MAX_NEG_CROP] = i;
for(i=0;i<MAX_NEG_CROP;i++) {
cropTbl[i] = 0;
cropTbl[i + MAX_NEG_CROP + 256] = 255;
}
for(i=0;i<512;i++) {
squareTbl[i] = (i - 256) * (i - 256);
}
for(i=0; i<64; i++) inv_zigzag_direct16[ff_zigzag_direct[i]]= i+1;
}
void dsputil_init(DSPContext* c, AVCodecContext *avctx)
{
int i;
#ifdef CONFIG_ENCODERS
if(avctx->dct_algo==FF_DCT_FASTINT)

1
libavcodec/dsputil.h
View File

@ -245,6 +245,7 @@ typedef struct DSPContext {
} DSPContext;
void dsputil_static_init(void);
void dsputil_init(DSPContext* p, AVCodecContext *avctx);
/**

2
libavcodec/utils.c
View File

@ -555,7 +555,7 @@ void avcodec_init(void)
return;
inited = 1;
//dsputil_init();
dsputil_static_init();
}
/* this can be called after seeking and before trying to decode the next keyframe */