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-rw-r--r--thirdparty/libwebp/src/dec/frame_dec.c2
-rw-r--r--thirdparty/libwebp/src/dec/idec_dec.c11
-rw-r--r--thirdparty/libwebp/src/dec/vp8i_dec.h4
-rw-r--r--thirdparty/libwebp/src/dec/vp8l_dec.c10
-rw-r--r--thirdparty/libwebp/src/dec/vp8li_dec.h20
5 files changed, 26 insertions, 21 deletions
diff --git a/thirdparty/libwebp/src/dec/frame_dec.c b/thirdparty/libwebp/src/dec/frame_dec.c
index bda9e1a6f6..04609a8e56 100644
--- a/thirdparty/libwebp/src/dec/frame_dec.c
+++ b/thirdparty/libwebp/src/dec/frame_dec.c
@@ -732,7 +732,7 @@ static int AllocateMemory(VP8Decoder* const dec) {
mem += f_info_size;
dec->thread_ctx_.id_ = 0;
dec->thread_ctx_.f_info_ = dec->f_info_;
- if (dec->mt_method_ > 0) {
+ if (dec->filter_type_ > 0 && dec->mt_method_ > 0) {
// secondary cache line. The deblocking process need to make use of the
// filtering strength from previous macroblock row, while the new ones
// are being decoded in parallel. We'll just swap the pointers.
diff --git a/thirdparty/libwebp/src/dec/idec_dec.c b/thirdparty/libwebp/src/dec/idec_dec.c
index 9bc9166808..9035df5659 100644
--- a/thirdparty/libwebp/src/dec/idec_dec.c
+++ b/thirdparty/libwebp/src/dec/idec_dec.c
@@ -166,9 +166,11 @@ static int AppendToMemBuffer(WebPIDecoder* const idec,
VP8Decoder* const dec = (VP8Decoder*)idec->dec_;
MemBuffer* const mem = &idec->mem_;
const int need_compressed_alpha = NeedCompressedAlpha(idec);
- const uint8_t* const old_start = mem->buf_ + mem->start_;
+ const uint8_t* const old_start =
+ (mem->buf_ == NULL) ? NULL : mem->buf_ + mem->start_;
const uint8_t* const old_base =
need_compressed_alpha ? dec->alpha_data_ : old_start;
+ assert(mem->buf_ != NULL || mem->start_ == 0);
assert(mem->mode_ == MEM_MODE_APPEND);
if (data_size > MAX_CHUNK_PAYLOAD) {
// security safeguard: trying to allocate more than what the format
@@ -184,7 +186,7 @@ static int AppendToMemBuffer(WebPIDecoder* const idec,
uint8_t* const new_buf =
(uint8_t*)WebPSafeMalloc(extra_size, sizeof(*new_buf));
if (new_buf == NULL) return 0;
- memcpy(new_buf, old_base, current_size);
+ if (old_base != NULL) memcpy(new_buf, old_base, current_size);
WebPSafeFree(mem->buf_);
mem->buf_ = new_buf;
mem->buf_size_ = (size_t)extra_size;
@@ -192,6 +194,7 @@ static int AppendToMemBuffer(WebPIDecoder* const idec,
mem->end_ = current_size;
}
+ assert(mem->buf_ != NULL);
memcpy(mem->buf_ + mem->end_, data, data_size);
mem->end_ += data_size;
assert(mem->end_ <= mem->buf_size_);
@@ -204,7 +207,9 @@ static int RemapMemBuffer(WebPIDecoder* const idec,
const uint8_t* const data, size_t data_size) {
MemBuffer* const mem = &idec->mem_;
const uint8_t* const old_buf = mem->buf_;
- const uint8_t* const old_start = old_buf + mem->start_;
+ const uint8_t* const old_start =
+ (old_buf == NULL) ? NULL : old_buf + mem->start_;
+ assert(old_buf != NULL || mem->start_ == 0);
assert(mem->mode_ == MEM_MODE_MAP);
if (data_size < mem->buf_size_) return 0; // can't remap to a shorter buffer!
diff --git a/thirdparty/libwebp/src/dec/vp8i_dec.h b/thirdparty/libwebp/src/dec/vp8i_dec.h
index 3de8d86f90..600a684410 100644
--- a/thirdparty/libwebp/src/dec/vp8i_dec.h
+++ b/thirdparty/libwebp/src/dec/vp8i_dec.h
@@ -31,8 +31,8 @@ extern "C" {
// version numbers
#define DEC_MAJ_VERSION 1
-#define DEC_MIN_VERSION 0
-#define DEC_REV_VERSION 3
+#define DEC_MIN_VERSION 1
+#define DEC_REV_VERSION 0
// YUV-cache parameters. Cache is 32-bytes wide (= one cacheline).
// Constraints are: We need to store one 16x16 block of luma samples (y),
diff --git a/thirdparty/libwebp/src/dec/vp8l_dec.c b/thirdparty/libwebp/src/dec/vp8l_dec.c
index d3e27119ea..93615d4ed2 100644
--- a/thirdparty/libwebp/src/dec/vp8l_dec.c
+++ b/thirdparty/libwebp/src/dec/vp8l_dec.c
@@ -754,11 +754,11 @@ static WEBP_INLINE HTreeGroup* GetHtreeGroupForPos(VP8LMetadata* const hdr,
typedef void (*ProcessRowsFunc)(VP8LDecoder* const dec, int row);
-static void ApplyInverseTransforms(VP8LDecoder* const dec, int num_rows,
+static void ApplyInverseTransforms(VP8LDecoder* const dec,
+ int start_row, int num_rows,
const uint32_t* const rows) {
int n = dec->next_transform_;
const int cache_pixs = dec->width_ * num_rows;
- const int start_row = dec->last_row_;
const int end_row = start_row + num_rows;
const uint32_t* rows_in = rows;
uint32_t* const rows_out = dec->argb_cache_;
@@ -789,8 +789,7 @@ static void ProcessRows(VP8LDecoder* const dec, int row) {
VP8Io* const io = dec->io_;
uint8_t* rows_data = (uint8_t*)dec->argb_cache_;
const int in_stride = io->width * sizeof(uint32_t); // in unit of RGBA
-
- ApplyInverseTransforms(dec, num_rows, rows);
+ ApplyInverseTransforms(dec, dec->last_row_, num_rows, rows);
if (!SetCropWindow(io, dec->last_row_, row, &rows_data, in_stride)) {
// Nothing to output (this time).
} else {
@@ -1193,6 +1192,7 @@ static int DecodeImageData(VP8LDecoder* const dec, uint32_t* const data,
VP8LFillBitWindow(br);
dist_code = GetCopyDistance(dist_symbol, br);
dist = PlaneCodeToDistance(width, dist_code);
+
if (VP8LIsEndOfStream(br)) break;
if (src - data < (ptrdiff_t)dist || src_end - src < (ptrdiff_t)length) {
goto Error;
@@ -1553,7 +1553,7 @@ static void ExtractAlphaRows(VP8LDecoder* const dec, int last_row) {
const int cache_pixs = width * num_rows_to_process;
uint8_t* const dst = output + width * cur_row;
const uint32_t* const src = dec->argb_cache_;
- ApplyInverseTransforms(dec, num_rows_to_process, in);
+ ApplyInverseTransforms(dec, cur_row, num_rows_to_process, in);
WebPExtractGreen(src, dst, cache_pixs);
AlphaApplyFilter(alph_dec,
cur_row, cur_row + num_rows_to_process, dst, width);
diff --git a/thirdparty/libwebp/src/dec/vp8li_dec.h b/thirdparty/libwebp/src/dec/vp8li_dec.h
index 0a4d613f99..72b2e86120 100644
--- a/thirdparty/libwebp/src/dec/vp8li_dec.h
+++ b/thirdparty/libwebp/src/dec/vp8li_dec.h
@@ -37,7 +37,7 @@ struct VP8LTransform {
int bits_; // subsampling bits defining transform window.
int xsize_; // transform window X index.
int ysize_; // transform window Y index.
- uint32_t *data_; // transform data.
+ uint32_t* data_; // transform data.
};
typedef struct {
@@ -48,23 +48,23 @@ typedef struct {
int huffman_mask_;
int huffman_subsample_bits_;
int huffman_xsize_;
- uint32_t *huffman_image_;
+ uint32_t* huffman_image_;
int num_htree_groups_;
- HTreeGroup *htree_groups_;
- HuffmanCode *huffman_tables_;
+ HTreeGroup* htree_groups_;
+ HuffmanCode* huffman_tables_;
} VP8LMetadata;
typedef struct VP8LDecoder VP8LDecoder;
struct VP8LDecoder {
VP8StatusCode status_;
VP8LDecodeState state_;
- VP8Io *io_;
+ VP8Io* io_;
- const WebPDecBuffer *output_; // shortcut to io->opaque->output
+ const WebPDecBuffer* output_; // shortcut to io->opaque->output
- uint32_t *pixels_; // Internal data: either uint8_t* for alpha
+ uint32_t* pixels_; // Internal data: either uint8_t* for alpha
// or uint32_t* for BGRA.
- uint32_t *argb_cache_; // Scratch buffer for temporary BGRA storage.
+ uint32_t* argb_cache_; // Scratch buffer for temporary BGRA storage.
VP8LBitReader br_;
int incremental_; // if true, incremental decoding is expected
@@ -86,8 +86,8 @@ struct VP8LDecoder {
// or'd bitset storing the transforms types.
uint32_t transforms_seen_;
- uint8_t *rescaler_memory; // Working memory for rescaling work.
- WebPRescaler *rescaler; // Common rescaler for all channels.
+ uint8_t* rescaler_memory; // Working memory for rescaling work.
+ WebPRescaler* rescaler; // Common rescaler for all channels.
};
//------------------------------------------------------------------------------
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-06 05:34:50 +0000