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restore encode API compatibility

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protect WebPPictureSmartARGBToYUVA with an ABI check

Change-Id: Iaec4a9f8f590f27c4c72129b90068690efc84eb7
This commit is contained in:
James Zern
2014-10-13 16:52:01 +02:00
parent f17b95e992
commit 9129deb5b1
4 changed files with 10 additions and 0 deletions
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src/webp/encode.h
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@ -462,12 +462,14 @@ WEBP_EXTERN(int) WebPPictureARGBToYUVA(WebPPicture* picture,
WEBP_EXTERN(int) WebPPictureARGBToYUVADithered(
WebPPicture* picture, WebPEncCSP colorspace, float dithering);
#if WEBP_ENCODER_ABI_VERSION > 0x0204
// Performs 'smart' RGBA->YUVA420 downsampling and colorspace conversion.
// Downsampling is handled with extra care in case of color clipping. This
// method is roughly 2x slower than WebPPictureARGBToYUVA() but produces better
// YUV representation.
// Returns false in case of error.
WEBP_EXTERN(int) WebPPictureSmartARGBToYUVA(WebPPicture* picture);
#endif
// Converts picture->yuv to picture->argb and sets picture->use_argb to true.
// The input format must be YUV_420 or YUV_420A.