diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/lib/jpeg.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/src/lib/jpeg.c b/src/lib/jpeg.c index 9de4ac889f..1e917c2b40 100644 --- a/src/lib/jpeg.c +++ b/src/lib/jpeg.c @@ -160,7 +160,7 @@ static struct dec_hufftbl dhuff[4]; #define dec_huffdc (dhuff + 0) #define dec_huffac (dhuff + 2) -static struct in in; +static struct in glob_in; static int readtables(int till) { @@ -248,7 +248,7 @@ static int dec_checkmarker(void) { int i; - if (dec_readmarker(&in) != info.rm) + if (dec_readmarker(&glob_in) != info.rm) return -1; info.nm = info.dri; info.rm = (info.rm + 1) & ~0x08; @@ -356,7 +356,7 @@ int jpeg_decode(unsigned char *buf, unsigned char *pic, idctqtab(quant[dscans[1].tq], decdata->dquant[1]); idctqtab(quant[dscans[2].tq], decdata->dquant[2]); initcol(decdata->dquant); - setinput(&in, datap); + setinput(&glob_in, datap); #if 0 /* landing zone */ @@ -376,7 +376,7 @@ int jpeg_decode(unsigned char *buf, unsigned char *pic, if (dec_checkmarker()) return ERR_WRONG_MARKER; - decode_mcus(&in, decdata->dcts, 6, dscans, max); + decode_mcus(&glob_in, decdata->dcts, 6, dscans, max); idct(decdata->dcts, decdata->out, decdata->dquant[0], IFIX(128.5), max[0]); idct(decdata->dcts + 64, decdata->out + 64, decdata->dquant[0], IFIX(128.5), max[1]); idct(decdata->dcts + 128, decdata->out + 128, decdata->dquant[0], IFIX(128.5), max[2]); @@ -401,7 +401,7 @@ int jpeg_decode(unsigned char *buf, unsigned char *pic, } } - m = dec_readmarker(&in); + m = dec_readmarker(&glob_in); if (m != M_EOI) return ERR_NO_EOI; @@ -664,7 +664,7 @@ static unsigned char zig2[64] = { 6, 13, 17, 24, 32, 38, 47, 49 }; -void idct(int *in, int *out, PREC *quant, PREC off, int max) +void idct(int *in, int *out, PREC *lquant, PREC off, int max) { PREC t0, t1, t2, t3, t4, t5, t6, t7, t; PREC tmp[64], *tmpp; @@ -673,7 +673,7 @@ void idct(int *in, int *out, PREC *quant, PREC off, int max) t0 = off; if (max == 1) { - t0 += in[0] * quant[0]; + t0 += in[0] * lquant[0]; for (i = 0; i < 64; i++) out[i] = ITOINT(t0); return; @@ -682,21 +682,21 @@ void idct(int *in, int *out, PREC *quant, PREC off, int max) tmpp = tmp; for (i = 0; i < 8; i++) { j = *zig2p++; - t0 += in[j] * quant[j]; + t0 += in[j] * lquant[j]; j = *zig2p++; - t5 = in[j] * quant[j]; + t5 = in[j] * lquant[j]; j = *zig2p++; - t2 = in[j] * quant[j]; + t2 = in[j] * lquant[j]; j = *zig2p++; - t7 = in[j] * quant[j]; + t7 = in[j] * lquant[j]; j = *zig2p++; - t1 = in[j] * quant[j]; + t1 = in[j] * lquant[j]; j = *zig2p++; - t4 = in[j] * quant[j]; + t4 = in[j] * lquant[j]; j = *zig2p++; - t3 = in[j] * quant[j]; + t3 = in[j] * lquant[j]; j = *zig2p++; - t6 = in[j] * quant[j]; + t6 = in[j] * lquant[j]; IDCT; tmpp[0 * 8] = t0; tmpp[1 * 8] = t1; |