summaryrefslogtreecommitdiffstats
path: root/media/libwebp/src/dec/webp_dec.c
diff options
context:
space:
mode:
Diffstat (limited to 'media/libwebp/src/dec/webp_dec.c')
-rw-r--r--media/libwebp/src/dec/webp_dec.c48
1 files changed, 30 insertions, 18 deletions
diff --git a/media/libwebp/src/dec/webp_dec.c b/media/libwebp/src/dec/webp_dec.c
index f557868b99..49ef205c8b 100644
--- a/media/libwebp/src/dec/webp_dec.c
+++ b/media/libwebp/src/dec/webp_dec.c
@@ -13,11 +13,14 @@
#include <stdlib.h>
+#include "src/dec/vp8_dec.h"
#include "src/dec/vp8i_dec.h"
#include "src/dec/vp8li_dec.h"
#include "src/dec/webpi_dec.h"
#include "src/utils/utils.h"
#include "src/webp/mux_types.h" // ALPHA_FLAG
+#include "src/webp/decode.h"
+#include "src/webp/types.h"
//------------------------------------------------------------------------------
// RIFF layout is:
@@ -444,8 +447,9 @@ void WebPResetDecParams(WebPDecParams* const params) {
// "Into" decoding variants
// Main flow
-static VP8StatusCode DecodeInto(const uint8_t* const data, size_t data_size,
- WebPDecParams* const params) {
+WEBP_NODISCARD static VP8StatusCode DecodeInto(const uint8_t* const data,
+ size_t data_size,
+ WebPDecParams* const params) {
VP8StatusCode status;
VP8Io io;
WebPHeaderStructure headers;
@@ -459,7 +463,9 @@ static VP8StatusCode DecodeInto(const uint8_t* const data, size_t data_size,
}
assert(params != NULL);
- VP8InitIo(&io);
+ if (!VP8InitIo(&io)) {
+ return VP8_STATUS_INVALID_PARAM;
+ }
io.data = headers.data + headers.offset;
io.data_size = headers.data_size - headers.offset;
WebPInitCustomIo(params, &io); // Plug the I/O functions.
@@ -523,17 +529,16 @@ static VP8StatusCode DecodeInto(const uint8_t* const data, size_t data_size,
}
// Helpers
-static uint8_t* DecodeIntoRGBABuffer(WEBP_CSP_MODE colorspace,
- const uint8_t* const data,
- size_t data_size,
- uint8_t* const rgba,
- int stride, size_t size) {
+WEBP_NODISCARD static uint8_t* DecodeIntoRGBABuffer(WEBP_CSP_MODE colorspace,
+ const uint8_t* const data,
+ size_t data_size,
+ uint8_t* const rgba,
+ int stride, size_t size) {
WebPDecParams params;
WebPDecBuffer buf;
- if (rgba == NULL) {
+ if (rgba == NULL || !WebPInitDecBuffer(&buf)) {
return NULL;
}
- WebPInitDecBuffer(&buf);
WebPResetDecParams(&params);
params.output = &buf;
buf.colorspace = colorspace;
@@ -578,8 +583,7 @@ uint8_t* WebPDecodeYUVInto(const uint8_t* data, size_t data_size,
uint8_t* v, size_t v_size, int v_stride) {
WebPDecParams params;
WebPDecBuffer output;
- if (luma == NULL) return NULL;
- WebPInitDecBuffer(&output);
+ if (luma == NULL || !WebPInitDecBuffer(&output)) return NULL;
WebPResetDecParams(&params);
params.output = &output;
output.colorspace = MODE_YUV;
@@ -601,13 +605,17 @@ uint8_t* WebPDecodeYUVInto(const uint8_t* data, size_t data_size,
//------------------------------------------------------------------------------
-static uint8_t* Decode(WEBP_CSP_MODE mode, const uint8_t* const data,
- size_t data_size, int* const width, int* const height,
- WebPDecBuffer* const keep_info) {
+WEBP_NODISCARD static uint8_t* Decode(WEBP_CSP_MODE mode,
+ const uint8_t* const data,
+ size_t data_size, int* const width,
+ int* const height,
+ WebPDecBuffer* const keep_info) {
WebPDecParams params;
WebPDecBuffer output;
- WebPInitDecBuffer(&output);
+ if (!WebPInitDecBuffer(&output)) {
+ return NULL;
+ }
WebPResetDecParams(&params);
params.output = &output;
output.colorspace = mode;
@@ -733,7 +741,9 @@ int WebPInitDecoderConfigInternal(WebPDecoderConfig* config,
}
memset(config, 0, sizeof(*config));
DefaultFeatures(&config->input);
- WebPInitDecBuffer(&config->output);
+ if (!WebPInitDecBuffer(&config->output)) {
+ return 0;
+ }
return 1;
}
@@ -772,7 +782,9 @@ VP8StatusCode WebPDecode(const uint8_t* data, size_t data_size,
if (WebPAvoidSlowMemory(params.output, &config->input)) {
// decoding to slow memory: use a temporary in-mem buffer to decode into.
WebPDecBuffer in_mem_buffer;
- WebPInitDecBuffer(&in_mem_buffer);
+ if (!WebPInitDecBuffer(&in_mem_buffer)) {
+ return VP8_STATUS_INVALID_PARAM;
+ }
in_mem_buffer.colorspace = config->output.colorspace;
in_mem_buffer.width = config->input.width;
in_mem_buffer.height = config->input.height;