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path: root/src/codec/IfegDecodeAGIF.c
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Diffstat (limited to 'src/codec/IfegDecodeAGIF.c')
-rwxr-xr-x[-rw-r--r--]src/codec/IfegDecodeAGIF.c226
1 files changed, 154 insertions, 72 deletions
diff --git a/src/codec/IfegDecodeAGIF.c b/src/codec/IfegDecodeAGIF.c
index e1e5a11..6fc2f1a 100644..100755
--- a/src/codec/IfegDecodeAGIF.c
+++ b/src/codec/IfegDecodeAGIF.c
@@ -35,17 +35,13 @@ int image_top_pos_N = 0;
AGifFrameInfo *FastImgCreateAGIFFrameData(unsigned int width, unsigned int height, unsigned char *pEncodedData, unsigned int file_size, unsigned int ui_backcolor, BOOL bLoop)
{
- int header_temp;
+ unsigned int header_temp;
int backcolor_index;
unsigned int image_backcolor;
unsigned int backcolor_parsing;
- unsigned int transcolor_565 = 0;
int transparent = 0;
int transIndex = 0;
- int local_color_table_flag;
-
int inputPos = 0;
- int inputPos_temp = 0;
AGifFrameInfo *pFrameData;
if (0 == (pFrameData = IfegMemAlloc(sizeof(AGifFrameInfo)))) {
@@ -59,9 +55,9 @@ AGifFrameInfo *FastImgCreateAGIFFrameData(unsigned int width, unsigned int heigh
pFrameData->logi_wdt = pEncodedData[6] | (pEncodedData[7]<<8);
pFrameData->logi_hgt = pEncodedData[8] | (pEncodedData[9]<<8);
#ifdef INTERNAL_IMGCODEC
- thumb_dbg("logi_wdt:%d, logi_hgt:%d\n", pFrameData->logi_wdt, pFrameData->logi_hgt);
+ thumb_dbg("logi_wdt:%d, logi_hgt:%d", pFrameData->logi_wdt, pFrameData->logi_hgt);
#else
- thumb_dbg("logi_wdt:%d, logi_hgt:%d\n", pFrameData->logi_wdt, pFrameData->logi_hgt);
+ thumb_dbg("logi_wdt:%d, logi_hgt:%d", pFrameData->logi_wdt, pFrameData->logi_hgt);
if ((pFrameData->logi_wdt > MAXWIDTH) || (pFrameData->logi_hgt > MAXHEIGHT)) {
if (pFrameData) {
IfegMemFree(pFrameData);
@@ -78,7 +74,7 @@ AGifFrameInfo *FastImgCreateAGIFFrameData(unsigned int width, unsigned int heigh
} else {
header_temp = 0;
}
-
+
if (file_size > 30+header_temp && pEncodedData[14+header_temp] == 0xFF) {
pFrameData->nLoopCount = pEncodedData[30+header_temp]<<8 | pEncodedData[29+header_temp];
} else if (file_size > 30+8+header_temp && pEncodedData[14+8+header_temp] == 0xFF) {
@@ -86,38 +82,22 @@ AGifFrameInfo *FastImgCreateAGIFFrameData(unsigned int width, unsigned int heigh
} else {
pFrameData->nLoopCount = -1;
}
-
+
pFrameData->nRepeatCount = 0;
- thumb_dbg("10st data : 0x%x , global color table num : %d\n", pEncodedData[10], header_temp);
- thumb_dbg("13: 0x%x ,14: 0x%x, 15: 0x%x, nRepeatCount : %d, nLoopCount : %d\n", pEncodedData[13+header_temp], pEncodedData[14+header_temp], pEncodedData[15+header_temp], pFrameData->nRepeatCount, pFrameData->nLoopCount);
+ thumb_dbg("10st data : 0x%x , global color table num : %d", pEncodedData[10], header_temp);
+ thumb_dbg("13: 0x%x ,14: 0x%x, 15: 0x%x, nRepeatCount : %d, nLoopCount : %d", pEncodedData[13+header_temp], pEncodedData[14+header_temp], pEncodedData[15+header_temp], pFrameData->nRepeatCount, pFrameData->nLoopCount);
backcolor_index = pEncodedData[11];
if (pEncodedData[14+header_temp] == 0xF9) {
- inputPos_temp = 14+header_temp+17;
transparent = pEncodedData[16+header_temp] & 0x01;
transIndex = pEncodedData[19+header_temp];
- local_color_table_flag = pEncodedData[30+header_temp] & 0x80;
-
- if (local_color_table_flag == 0x80) {
- transcolor_565 = ((pEncodedData[inputPos_temp+transIndex*3]>>3)<<11)|((pEncodedData[inputPos_temp+transIndex*3+1]>>2)<<5)|(pEncodedData[inputPos_temp+transIndex*3+2]>>3);
- } else {
- transcolor_565 = ((pEncodedData[13+transIndex*3]>>3)<<11)|((pEncodedData[13+transIndex*3+1]>>2)<<5)|(pEncodedData[13+transIndex*3+2]>>3);
- }
backcolor_parsing = (unsigned short)((pEncodedData[inputPos+backcolor_index*3] >> 3)<<11) | ((pEncodedData[inputPos+backcolor_index*3+1] >> 2)<<5) | (pEncodedData[inputPos+backcolor_index*3+2] >> 3);
} else if (pEncodedData[14+19+header_temp] == 0xF9) {
- inputPos_temp = 14+19+header_temp+17;
transparent = pEncodedData[35+header_temp] & 0x01;
transIndex = pEncodedData[38+header_temp];
- local_color_table_flag = pEncodedData[49+header_temp] & 0x80;
-
- if (local_color_table_flag == 0x80) {
- transcolor_565 = ((pEncodedData[inputPos_temp+transIndex*3]>>3)<<11)|((pEncodedData[inputPos_temp+transIndex*3+1]>>2)<<5)|(pEncodedData[inputPos_temp+transIndex*3+2]>>3);
- } else {
- transcolor_565 = ((pEncodedData[13+transIndex*3]>>3)<<11)|((pEncodedData[13+transIndex*3+1]>>2)<<5)|(pEncodedData[13+transIndex*3+2]>>3);
- }
backcolor_parsing = (unsigned short)((pEncodedData[inputPos+backcolor_index*3] >> 3)<<11) | ((pEncodedData[inputPos+backcolor_index*3+1] >> 2)<<5) | (pEncodedData[inputPos+backcolor_index*3+2] >> 3);
} else if ((pEncodedData[10]&0x80) != 0x80) { /* global color table */
@@ -372,6 +352,34 @@ void FastImgDestroyAGIFFrameData(AGifFrameInfo *pFrameData)
} \
}
+#define __get_next_code_first_nbits_left_0_nobuffer(pInputStream) \
+{\
+ {\
+ if (navail_bytes == 0) {\
+ navail_bytes = (pInputStream)[inputPos++];\
+ if ((inputPos + navail_bytes) > filesize) {\
+ if (decoderline) {\
+ IfegMemFree(decoderline);\
+ decoderline = 0;\
+ } \
+ if (pDecBuf) {\
+ IfegMemFree(pDecBuf);\
+ pDecBuf = 0;\
+ } \
+ if (done_prefix) {\
+ IfegMemFree(done_prefix);\
+ done_prefix = 0;\
+ } \
+ return -1;\
+ } \
+ } \
+ b1 = (pInputStream)[inputPos++];\
+ ret = b1;\
+ nbits_left = 8;\
+ --navail_bytes;\
+ } \
+}
+
#define __get_next_code_first_nbits_left_not_0(pInputStream) \
{\
{\
@@ -406,6 +414,37 @@ void FastImgDestroyAGIFFrameData(AGifFrameInfo *pFrameData)
c = ret;\
}
+#define __get_next_code_first_while_nobuffer(pInputStream) \
+{\
+ while (curr_size > nbits_left) {\
+ if (navail_bytes == 0) {\
+ navail_bytes = (pInputStream)[inputPos++];\
+ if ((inputPos + navail_bytes) > filesize) {\
+ if (decoderline) {\
+ IfegMemFree(decoderline);\
+ decoderline = 0;\
+ } \
+ if (pDecBuf) {\
+ IfegMemFree(pDecBuf);\
+ pDecBuf = 0;\
+ } \
+ if (done_prefix) {\
+ IfegMemFree(done_prefix);\
+ done_prefix = 0;\
+ } \
+ return -1;\
+ } \
+ } \
+ b1 = (pInputStream)[inputPos++];\
+ ret |= b1 << nbits_left;\
+ nbits_left += 8;\
+ --navail_bytes;\
+ } \
+ nbits_left -= curr_size;\
+ ret &= (1<<curr_size)-1;\
+ c = ret;\
+}
+
#define __get_next_code_second_nbits_left_0(pInputStream) \
{\
{\
@@ -479,7 +518,6 @@ int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAl
int spCount = 0;
int logi_wdt; /* logical screen width */
int logi_hgt;
- int logi_image_size;
int image_backcolor;
int ui_backcolor;
int backcolor;
@@ -501,8 +539,6 @@ int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAl
int flag = 0;
unsigned int end;
- int count = 0;
-
unsigned char *pDecBuf = 0;
int expected_width = pFrameData->width;
@@ -522,12 +558,19 @@ int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAl
unsigned int *global_dacbox = pFrameData->pGlobal_table;
register unsigned char *pInputStream = pFrameData->pEncodedData;
void *pOutBits = pFrameData->pOutBits;
- unsigned short *prefix = pFrameData->pPrefix;
- unsigned char *dstack = pFrameData->pDstack;
- unsigned char *suffix = pFrameData->pSuffix;
+ unsigned short *prefix = pFrameData->pPrefix;
+ unsigned char *dstack = pFrameData->pDstack;
+ unsigned char *suffix = pFrameData->pSuffix;
+ unsigned char *done_prefix = 0;
inputPos = pFrameData->offset;
+ done_prefix = IfegMemAlloc(sizeof(unsigned char)*(MAX_CODES+1));
+ if (done_prefix == 0)
+ {
+ thumb_err("Failed to allocate memory for check buffer.");
+ return -1;
+ }
IfegMemset(prefix, 0, sizeof(unsigned short)*(MAX_CODES+1));
IfegMemset(dstack, 0, sizeof(unsigned char)*(MAX_CODES+1));
IfegMemset(suffix, 0, sizeof(unsigned char)*(MAX_CODES+1));
@@ -561,13 +604,14 @@ int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAl
IfegMemFree(pDecBuf);
pDecBuf = 0;
}
+ IfegMemFree(done_prefix);
+ done_prefix = 0;
return -1;
}
/* Regard the width/height of image block as the size of thumbnails. */
pFrameData->logi_wdt = logi_wdt = expected_width;
pFrameData->logi_hgt = logi_hgt = expected_height;
- logi_image_size = logi_wdt * logi_hgt;
/* ouput resized image size */
if (logi_wdt <= expected_width && logi_hgt <= expected_height) {
@@ -588,6 +632,8 @@ int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAl
IfegMemFree(pDecBuf);
pDecBuf = 0;
}
+ IfegMemFree(done_prefix);
+ done_prefix = 0;
return 0;
}
@@ -661,8 +707,12 @@ int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAl
for (i = 0; i < expected_width * expected_height; i++) {
*pImage16++ = ui_backcolor;
}
+ IfegMemFree(done_prefix);
+ done_prefix = 0;
return 1;
} else {
+ IfegMemFree(done_prefix);
+ done_prefix = 0;
return 0;
}
}
@@ -678,6 +728,8 @@ int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAl
pDecBuf = 0;
}
if (pFrameData->imgCount == 0) {
+ IfegMemFree(done_prefix);
+ done_prefix = 0;
return -1;
}
pFrameData->imgCount = 0;
@@ -696,11 +748,13 @@ int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAl
for (i = 0; i < expected_width * expected_height; i++) {
*pImage16++ = ui_backcolor;
}
-
+
inputPos = pFrameData->offset;
continue;
} else {
/* if there is last frame and bLoop is FALSE, return 2. */
+ IfegMemFree(done_prefix);
+ done_prefix = 0;
return 2;
}
#else
@@ -710,8 +764,12 @@ int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAl
for (i = 0; i < expected_width * expected_height; i++) {
*pImage16++ = backcolor;
}
+ IfegMemFree(done_prefix);
+ done_prefix = 0;
return 1;
} else {
+ IfegMemFree(done_prefix);
+ done_prefix = 0;
return 0;
}
#endif
@@ -728,6 +786,8 @@ int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAl
IfegMemFree(pDecBuf);
pDecBuf = 0;
}
+ IfegMemFree(done_prefix);
+ done_prefix = 0;
return -1;
}
@@ -735,7 +795,7 @@ int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAl
transparent = pInputStream[inputPos++] & 0x01; /* does it use? 1:on 0:off */
pFrameData->delay = (pInputStream[inputPos] | (pInputStream[inputPos+1] << 8))*10;
inputPos += 2; /* Delay time (skip) */
- transIndex = pInputStream[inputPos++];
+ transIndex = pInputStream[inputPos++];
inputPos++; /* block end */
break;
@@ -751,6 +811,8 @@ int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAl
IfegMemFree(pDecBuf);
pDecBuf = 0;
}
+ IfegMemFree(done_prefix);
+ done_prefix = 0;
return -1;
}
}
@@ -768,6 +830,8 @@ int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAl
IfegMemFree(pDecBuf);
pDecBuf = 0;
}
+ IfegMemFree(done_prefix);
+ done_prefix = 0;
return -1;
}
}
@@ -786,6 +850,8 @@ int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAl
IfegMemFree(pDecBuf);
pDecBuf = 0;
}
+ IfegMemFree(done_prefix);
+ done_prefix = 0;
return -1;
}
}
@@ -821,6 +887,8 @@ int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAl
IfegMemFree(pDecBuf);
pDecBuf = 0;
}
+ IfegMemFree(done_prefix);
+ done_prefix = 0;
return -1;
}
#endif
@@ -846,13 +914,15 @@ int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAl
IfegMemFree(pDecBuf);
pDecBuf = 0;
}
+ IfegMemFree(done_prefix);
+ done_prefix = 0;
return 0;
}
IfegMemset(decoderline, 0, orgwdt);
decwdt = ((orgwdt * resized_width+logi_wdt-1) / logi_wdt);
dechgt = ((orghgt * resized_height+logi_hgt-1) / logi_hgt);
-
+
if (!decwdt || !dechgt) {
if (decoderline != 0) {
IfegMemFree(decoderline);
@@ -862,6 +932,8 @@ int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAl
IfegMemFree(pDecBuf);
pDecBuf = 0;
}
+ IfegMemFree(done_prefix);
+ done_prefix = 0;
return 0;
}
@@ -878,6 +950,8 @@ int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAl
IfegMemFree(pDecBuf);
pDecBuf = 0;
}
+ IfegMemFree(done_prefix);
+ done_prefix = 0;
return 0;
}
IfegMemset(pDecBuf, 0, decwdt * dechgt * 4);
@@ -903,8 +977,6 @@ int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAl
numcolors = (buffer[8] & 0x7) + 1;
numcolors = 1 << numcolors;
- count = 0;
-
/* Make color table */
for (i = 0 ; i < numcolors; i++) {
dacbox[i] = ((pInputStream[inputPos++] >> 2)<<16);
@@ -936,6 +1008,8 @@ int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAl
IfegMemFree(pDecBuf);
pDecBuf = 0;
}
+ IfegMemFree(done_prefix);
+ done_prefix = 0;
return -1;
}
@@ -961,20 +1035,20 @@ int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAl
/* __get_next_code(pInputStream) */
if (navail_bytes < 2) {
if (nbits_left == 0) {
- __get_next_code_first_nbits_left_0(pInputStream)
+ __get_next_code_first_nbits_left_0_nobuffer(pInputStream)
} else
__get_next_code_first_nbits_left_not_0(pInputStream)
- __get_next_code_first_while(pInputStream)
+ __get_next_code_first_while_nobuffer(pInputStream)
} else {
- if (nbits_left == 0)
+ if (nbits_left == 0)
__get_next_code_second_nbits_left_0(pInputStream)
else
__get_next_code_second_nbits_left_not_0(pInputStream)
-
+
__get_next_code_second_while(pInputStream)
- }
-
+ }
+
if (c == ending) {
break;
}
@@ -989,20 +1063,20 @@ int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAl
/* __get_next_code(pInputStream); */
if (navail_bytes < 2) {
if (nbits_left == 0)
- __get_next_code_first_nbits_left_0(pInputStream)
+ __get_next_code_first_nbits_left_0_nobuffer(pInputStream)
else
__get_next_code_first_nbits_left_not_0(pInputStream)
- __get_next_code_first_while(pInputStream)
+ __get_next_code_first_while_nobuffer(pInputStream)
} else {
- if (nbits_left == 0)
+ if (nbits_left == 0)
__get_next_code_second_nbits_left_0(pInputStream)
else
__get_next_code_second_nbits_left_not_0(pInputStream)
__get_next_code_second_while(pInputStream)
}
-
+
} while (c == clear);
if (c == ending) {
@@ -1324,12 +1398,12 @@ int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAl
/* __get_next_code(pInputStream) */
if (navail_bytes < 2) {
if (nbits_left == 0)
- __get_next_code_first_nbits_left_0(pInputStream)
+ __get_next_code_first_nbits_left_0_nobuffer(pInputStream)
else
__get_next_code_first_nbits_left_not_0(pInputStream)
- __get_next_code_first_while(pInputStream)
+ __get_next_code_first_while_nobuffer(pInputStream)
} else {
- if (nbits_left == 0)
+ if (nbits_left == 0)
__get_next_code_second_nbits_left_0(pInputStream)
else
__get_next_code_second_nbits_left_not_0(pInputStream)
@@ -1351,18 +1425,18 @@ int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAl
/* __get_next_code(pInputStream); */
if (navail_bytes < 2) {
if (nbits_left == 0)
- __get_next_code_first_nbits_left_0(pInputStream)
+ __get_next_code_first_nbits_left_0_nobuffer(pInputStream)
else
__get_next_code_first_nbits_left_not_0(pInputStream)
- __get_next_code_first_while(pInputStream)
+ __get_next_code_first_while_nobuffer(pInputStream)
} else {
- if (nbits_left == 0)
+ if (nbits_left == 0)
__get_next_code_second_nbits_left_0(pInputStream)
else
__get_next_code_second_nbits_left_not_0(pInputStream)
__get_next_code_second_while(pInputStream)
- }
+ }
} while (c == clear);
if (c == ending) {
@@ -1382,8 +1456,26 @@ int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAl
code = oc;
*sp++ = (unsigned char)fc;
}
+
+ IfegMemset(done_prefix, 0, sizeof(unsigned char)*(MAX_CODES+1));
while (code >= newcodes) {
*sp++ = suffix[code];
+ if ((code == prefix[code]) || (done_prefix[code] == 1))
+ {
+ thumb_err("Circular entry in table.");
+ if (decoderline != 0) {
+ IfegMemFree(decoderline);
+ decoderline = 0;
+ }
+ if (pDecBuf != 0) {
+ IfegMemFree(pDecBuf);
+ pDecBuf = 0;
+ }
+ IfegMemFree(done_prefix);
+ done_prefix = 0;
+ return 0;
+ }
+ done_prefix[code] = 1;
code = prefix[code];
}
@@ -1542,6 +1634,8 @@ int __FastImgGetNextFrameAGIF_NoBuffer(AGifFrameInfo *pFrameData, BOOL bCenterAl
IfegMemFree(pDecBuf);
pDecBuf = 0;
}
+ IfegMemFree(done_prefix);
+ done_prefix = 0;
pFrameData->offset = inputPos;
pFrameData->imgCount++;
@@ -1594,11 +1688,9 @@ int __FastImgGetNextFrameAGIF_UseBuffer(AGifFrameInfo *pFrameData, BOOL bCenterA
int spCount = 0;
int logi_wdt; /* logical screen width */
int logi_hgt;
- int logi_image_size;
int ui_backcolor565;
int backcolor565;
- int ui_backcolor888;
int backcolor888;
int image_left_pos; /* left position of image in Logical screeen */
@@ -1622,8 +1714,6 @@ int __FastImgGetNextFrameAGIF_UseBuffer(AGifFrameInfo *pFrameData, BOOL bCenterA
int flag = 0;
unsigned int end;
- int count = 0;
-
unsigned char *pDecBuf = 0;
int expected_width = pFrameData->width;
@@ -1642,9 +1732,9 @@ int __FastImgGetNextFrameAGIF_UseBuffer(AGifFrameInfo *pFrameData, BOOL bCenterA
unsigned int *global_dacbox = pFrameData->pGlobal_table;
unsigned char *pInputStream = pFrameData->pEncodedData;
void *pOutBits = pFrameData->pOutBits;
- unsigned short *prefix = pFrameData->pPrefix;
- unsigned char *dstack = pFrameData->pDstack;
- unsigned char *suffix = pFrameData->pSuffix;
+ unsigned short *prefix = pFrameData->pPrefix;
+ unsigned char *dstack = pFrameData->pDstack;
+ unsigned char *suffix = pFrameData->pSuffix;
int filesize = pFrameData->inputSize;
inputPos = pFrameData->offset;
@@ -1654,13 +1744,9 @@ int __FastImgGetNextFrameAGIF_UseBuffer(AGifFrameInfo *pFrameData, BOOL bCenterA
IfegMemset(suffix, 0, sizeof(unsigned char)*(MAX_CODES+1));
ui_backcolor565 = pFrameData->ui_backcolor;
- ui_backcolor888 =
- ((ui_backcolor565&0xf800) << 6)|
- ((ui_backcolor565&0x7e0) << 3)|
- ((ui_backcolor565&0x1f) << 1);
backcolor565 = pFrameData->backcolor;
- backcolor888 =
+ backcolor888 =
((backcolor565&0xf800) << 6)|
((backcolor565&0x7e0) << 3)|
((backcolor565&0x1f) << 1);
@@ -1696,8 +1782,6 @@ int __FastImgGetNextFrameAGIF_UseBuffer(AGifFrameInfo *pFrameData, BOOL bCenterA
pFrameData->logi_wdt = logi_wdt = buffer[6] | (buffer[7] << 8);
pFrameData->logi_hgt = logi_hgt = buffer[8] | (buffer[9] << 8);
- logi_image_size = logi_wdt * logi_hgt;
-
/* ouput resized image size */
if (logi_wdt <= expected_width && logi_hgt <= expected_height) {
resized_width = logi_wdt;
@@ -2034,8 +2118,6 @@ int __FastImgGetNextFrameAGIF_UseBuffer(AGifFrameInfo *pFrameData, BOOL bCenterA
numcolors = (buffer[8] & 0x7) + 1;
numcolors = 1 << numcolors;
- count = 0;
-
/* Make color table */
for (i = 0; i < numcolors; i++) {
dacbox[i] = ((pInputStream[inputPos++] >> 2) << 16);