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-rw-r--r--thirdparty/libwebp/src/webp/decode.h2
-rw-r--r--thirdparty/libwebp/src/webp/encode.h8
2 files changed, 8 insertions, 2 deletions
diff --git a/thirdparty/libwebp/src/webp/decode.h b/thirdparty/libwebp/src/webp/decode.h
index 80dd0ef0cc..44fcd64a84 100644
--- a/thirdparty/libwebp/src/webp/decode.h
+++ b/thirdparty/libwebp/src/webp/decode.h
@@ -453,7 +453,7 @@ struct WebPDecoderOptions {
int scaled_width, scaled_height; // final resolution
int use_threads; // if true, use multi-threaded decoding
int dithering_strength; // dithering strength (0=Off, 100=full)
- int flip; // flip output vertically
+ int flip; // if true, flip output vertically
int alpha_dithering_strength; // alpha dithering strength in [0..100]
uint32_t pad[5]; // padding for later use
diff --git a/thirdparty/libwebp/src/webp/encode.h b/thirdparty/libwebp/src/webp/encode.h
index 655166e7d4..b4c599df87 100644
--- a/thirdparty/libwebp/src/webp/encode.h
+++ b/thirdparty/libwebp/src/webp/encode.h
@@ -148,7 +148,8 @@ struct WebPConfig {
int use_delta_palette; // reserved for future lossless feature
int use_sharp_yuv; // if needed, use sharp (and slow) RGB->YUV conversion
- uint32_t pad[2]; // padding for later use
+ int qmin; // minimum permissible quality factor
+ int qmax; // maximum permissible quality factor
};
// Enumerate some predefined settings for WebPConfig, depending on the type
@@ -291,6 +292,11 @@ typedef enum WebPEncodingError {
#define WEBP_MAX_DIMENSION 16383
// Main exchange structure (input samples, output bytes, statistics)
+//
+// Once WebPPictureInit() has been called, it's ok to make all the INPUT fields
+// (use_argb, y/u/v, argb, ...) point to user-owned data, even if
+// WebPPictureAlloc() has been called. Depending on the value use_argb,
+// it's guaranteed that either *argb or *y/*u/*v content will be kept untouched.
struct WebPPicture {
// INPUT
//////////////