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fix some VS9 warnings about type conversion

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Change-Id: Ia6db5f70cecb1d0c29536d710a22cc5107e242ea
This commit is contained in:
skal 2013-06-27 08:49:01 +02:00
parent eeada35cd6
commit c34307abda
1 changed files with 12 additions and 13 deletions
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21
src/dec/vp8l.c
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@ -120,7 +120,7 @@ int VP8LGetInfo(const uint8_t* data, size_t data_size,
//------------------------------------------------------------------------------
static WEBP_INLINE size_t GetCopyDistance(int distance_symbol,
static WEBP_INLINE int GetCopyDistance(int distance_symbol,
VP8LBitReader* const br) {
int extra_bits, offset;
if (distance_symbol < 4) {
@ -131,7 +131,7 @@ static WEBP_INLINE size_t GetCopyDistance(int distance_symbol,
return offset + VP8LReadBits(br, extra_bits) + 1;
}
static WEBP_INLINE size_t GetCopyLength(int length_symbol,
static WEBP_INLINE int GetCopyLength(int length_symbol,
VP8LBitReader* const br) {
// Length and distance prefixes are encoded the same way.
return GetCopyDistance(length_symbol, br);
@ -726,9 +726,9 @@ static int DecodeAlphaData(VP8LDecoder* const dec, uint8_t* const data,
VP8LBitReader* const br = &dec->br_;
VP8LMetadata* const hdr = &dec->hdr_;
const HTreeGroup* htree_group = GetHtreeGroupForPos(hdr, col, row);
size_t pos = dec->last_pixel_; // current position
const size_t end = width * height; // End of data
const size_t last = width * last_row; // Last pixel to decode
int pos = dec->last_pixel_; // current position
const int end = width * height; // End of data
const int last = width * last_row; // Last pixel to decode
const int len_code_limit = NUM_LITERAL_CODES + NUM_LENGTH_CODES;
const int mask = hdr->huffman_mask_;
assert(htree_group != NULL);
@ -755,15 +755,15 @@ static int DecodeAlphaData(VP8LDecoder* const dec, uint8_t* const data,
}
}
} else if (code < len_code_limit) { // Backward reference
size_t dist_code, dist;
int dist_code, dist;
const int length_sym = code - NUM_LITERAL_CODES;
const size_t length = GetCopyLength(length_sym, br);
const int length = GetCopyLength(length_sym, br);
const int dist_symbol = ReadSymbol(&htree_group->htrees_[DIST], br);
VP8LFillBitWindow(br);
dist_code = GetCopyDistance(dist_symbol, br);
dist = PlaneCodeToDistance(width, dist_code);
if (pos >= dist && end - pos >= length) {
size_t i;
int i;
for (i = 0; i < length; ++i) data[pos + i] = data[pos + i - dist];
} else {
ok = 0;
@ -865,11 +865,10 @@ static int DecodeImageData(VP8LDecoder* const dec, uint32_t* const data,
VP8LFillBitWindow(br);
dist_code = GetCopyDistance(dist_symbol, br);
dist = PlaneCodeToDistance(width, dist_code);
if (src - data < dist || src_end - src < length) {
if (src - data < (ptrdiff_t)dist || src_end - src < (ptrdiff_t)length) {
ok = 0;
goto End;
}
{
} else {
int i;
for (i = 0; i < length; ++i) src[i] = src[i - dist];
src += length;