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Added image characteristic hint for the codec.

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This image type hint is used by codec to apply appropriate set of
transform filters to the image.

Change-Id: Ibb24e47ba14c40fa7f9f2c50ae86e03f2b29e9a6
This commit is contained in:
Vikas Arora
2012-06-22 12:14:48 +05:30
parent e8a0a821d2
commit d373076a53
5 changed files with 44 additions and 8 deletions
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3
src/enc/config.c
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@ -45,6 +45,7 @@ int WebPConfigInitInternal(WebPConfig* const config,
config->alpha_filtering = 1;
config->alpha_quality = 100;
config->lossless = 0;
config->image_hint = WEBP_HINT_DEFAULT;
// TODO(skal): tune.
switch (preset) {
@ -119,6 +120,8 @@ int WebPValidateConfig(const WebPConfig* const config) {
return 0;
if (config->lossless < 0 || config->lossless > 1)
return 0;
if (config->image_hint > WEBP_HINT_PHOTO)
return 0;
return 1;
}