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-rw-r--r--media/libwebp/webp/decode.h14
-rw-r--r--media/libwebp/webp/demux.h2
-rw-r--r--media/libwebp/webp/encode.h2
-rw-r--r--media/libwebp/webp/format_constants.h2
-rw-r--r--media/libwebp/webp/mux.h2
-rw-r--r--media/libwebp/webp/mux_types.h2
-rw-r--r--media/libwebp/webp/types.h2
7 files changed, 19 insertions, 7 deletions
diff --git a/media/libwebp/webp/decode.h b/media/libwebp/webp/decode.h
index 2165e96c9..ae8bfe840 100644
--- a/media/libwebp/webp/decode.h
+++ b/media/libwebp/webp/decode.h
@@ -42,6 +42,12 @@ WEBP_EXTERN int WebPGetDecoderVersion(void);
// This function will also validate the header, returning true on success,
// false otherwise. '*width' and '*height' are only valid on successful return.
// Pointers 'width' and 'height' can be passed NULL if deemed irrelevant.
+// Note: The following chunk sequences (before the raw VP8/VP8L data) are
+// considered valid by this function:
+// RIFF + VP8(L)
+// RIFF + VP8X + (optional chunks) + VP8(L)
+// ALPH + VP8 <-- Not a valid WebP format: only allowed for internal purpose.
+// VP8(L) <-- Not a valid WebP format: only allowed for internal purpose.
WEBP_EXTERN int WebPGetInfo(const uint8_t* data, size_t data_size,
int* width, int* height);
@@ -425,6 +431,12 @@ WEBP_EXTERN VP8StatusCode WebPGetFeaturesInternal(
// Returns VP8_STATUS_OK when the features are successfully retrieved. Returns
// VP8_STATUS_NOT_ENOUGH_DATA when more data is needed to retrieve the
// features from headers. Returns error in other cases.
+// Note: The following chunk sequences (before the raw VP8/VP8L data) are
+// considered valid by this function:
+// RIFF + VP8(L)
+// RIFF + VP8X + (optional chunks) + VP8(L)
+// ALPH + VP8 <-- Not a valid WebP format: only allowed for internal purpose.
+// VP8(L) <-- Not a valid WebP format: only allowed for internal purpose.
static WEBP_INLINE VP8StatusCode WebPGetFeatures(
const uint8_t* data, size_t data_size,
WebPBitstreamFeatures* features) {
@@ -491,4 +503,4 @@ WEBP_EXTERN VP8StatusCode WebPDecode(const uint8_t* data, size_t data_size,
} // extern "C"
#endif
-#endif /* WEBP_WEBP_DECODE_H_ */
+#endif // WEBP_WEBP_DECODE_H_
diff --git a/media/libwebp/webp/demux.h b/media/libwebp/webp/demux.h
index 555d64133..846eeb15a 100644
--- a/media/libwebp/webp/demux.h
+++ b/media/libwebp/webp/demux.h
@@ -360,4 +360,4 @@ WEBP_EXTERN void WebPAnimDecoderDelete(WebPAnimDecoder* dec);
} // extern "C"
#endif
-#endif /* WEBP_WEBP_DEMUX_H_ */
+#endif // WEBP_WEBP_DEMUX_H_
diff --git a/media/libwebp/webp/encode.h b/media/libwebp/webp/encode.h
index 7ec3543dc..549cf0773 100644
--- a/media/libwebp/webp/encode.h
+++ b/media/libwebp/webp/encode.h
@@ -542,4 +542,4 @@ WEBP_EXTERN int WebPEncode(const WebPConfig* config, WebPPicture* picture);
} // extern "C"
#endif
-#endif /* WEBP_WEBP_ENCODE_H_ */
+#endif // WEBP_WEBP_ENCODE_H_
diff --git a/media/libwebp/webp/format_constants.h b/media/libwebp/webp/format_constants.h
index 329fc8a3b..eca6981a4 100644
--- a/media/libwebp/webp/format_constants.h
+++ b/media/libwebp/webp/format_constants.h
@@ -84,4 +84,4 @@ typedef enum {
// overflow a uint32_t.
#define MAX_CHUNK_PAYLOAD (~0U - CHUNK_HEADER_SIZE - 1)
-#endif /* WEBP_WEBP_FORMAT_CONSTANTS_H_ */
+#endif // WEBP_WEBP_FORMAT_CONSTANTS_H_
diff --git a/media/libwebp/webp/mux.h b/media/libwebp/webp/mux.h
index 28bb4a41c..66096a92e 100644
--- a/media/libwebp/webp/mux.h
+++ b/media/libwebp/webp/mux.h
@@ -527,4 +527,4 @@ WEBP_EXTERN void WebPAnimEncoderDelete(WebPAnimEncoder* enc);
} // extern "C"
#endif
-#endif /* WEBP_WEBP_MUX_H_ */
+#endif // WEBP_WEBP_MUX_H_
diff --git a/media/libwebp/webp/mux_types.h b/media/libwebp/webp/mux_types.h
index b37e2c67a..ceea77dfc 100644
--- a/media/libwebp/webp/mux_types.h
+++ b/media/libwebp/webp/mux_types.h
@@ -95,4 +95,4 @@ static WEBP_INLINE int WebPDataCopy(const WebPData* src, WebPData* dst) {
} // extern "C"
#endif
-#endif /* WEBP_WEBP_MUX_TYPES_H_ */
+#endif // WEBP_WEBP_MUX_TYPES_H_
diff --git a/media/libwebp/webp/types.h b/media/libwebp/webp/types.h
index 989a763f0..0ce2622e4 100644
--- a/media/libwebp/webp/types.h
+++ b/media/libwebp/webp/types.h
@@ -49,4 +49,4 @@ typedef long long int int64_t;
// Macro to check ABI compatibility (same major revision number)
#define WEBP_ABI_IS_INCOMPATIBLE(a, b) (((a) >> 8) != ((b) >> 8))
-#endif /* WEBP_WEBP_TYPES_H_ */
+#endif // WEBP_WEBP_TYPES_H_