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Doc: clarify the role of quality in WebPConfig.

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Change-Id: I13706847f6263b9bb91eaf3c9284dd2d42ea7a85
This commit is contained in:
Vincent Rabaud 2017-05-15 17:59:12 +02:00
parent d78ff78095
commit defc98d72c
1 changed files with 5 additions and 1 deletions
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6
src/webp/encode.h
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@ -93,7 +93,11 @@ typedef enum WebPImageHint {
// Compression parameters.
struct WebPConfig {
int lossless; // Lossless encoding (0=lossy(default), 1=lossless).
float quality; // between 0 (smallest file) and 100 (biggest)
float quality; // between 0 and 100. For lossy, 0 gives the smallest
// size and 100 the largest. For lossless, this
// parameter is the amount of effort put into the
// compression: 0 is the fastest but gives larger
// files compared to the slowest, but best, 100.
int method; // quality/speed trade-off (0=fast, 6=slower-better)
WebPImageHint image_hint; // Hint for image type (lossless only for now).