dany/libwebp
1
0
Fork 0
mirror of https://github.com/webmproject/libwebp.git synced 2025-07-13 14:34:33 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity

WEBP_REDUCE_CSP: restrict colorspace support

Browse Source 
only supported ones are: RGBA/BGRA/rgbA/bgrA (decoder)
as well as: WebPPictureImportRGB/RGBX/RGBA (encoder).

(note: extras/get_disto is affected too)

Change-Id: If6c4f95054ca15759c4e289fb3b4c352b3521c2c
(cherry picked from commit 6de20df02c)
This commit is contained in:
Pascal Massimino
2017-11-22 23:51:19 -08:00
committed by James Zern
parent a289d8e774
commit f66955de5f
8 changed files with 150 additions and 64 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
src/enc/picture_csp_enc.c
View File

@ -1134,12 +1134,7 @@ static int Import(WebPPicture* const picture,
// Public API
int WebPPictureImportRGB(WebPPicture* picture,
const uint8_t* rgb, int rgb_stride) {
return (picture != NULL && rgb != NULL)
? Import(picture, rgb, rgb_stride, 3, 0, 0)
: 0;
}
#if !defined(WEBP_REDUCE_CSP)
int WebPPictureImportBGR(WebPPicture* picture,
const uint8_t* rgb, int rgb_stride) {
@ -1148,13 +1143,6 @@ int WebPPictureImportBGR(WebPPicture* picture,
: 0;
}
int WebPPictureImportRGBA(WebPPicture* picture,
const uint8_t* rgba, int rgba_stride) {
return (picture != NULL && rgba != NULL)
? Import(picture, rgba, rgba_stride, 4, 0, 1)
: 0;
}
int WebPPictureImportBGRA(WebPPicture* picture,
const uint8_t* rgba, int rgba_stride) {
return (picture != NULL && rgba != NULL)
@ -1162,12 +1150,6 @@ int WebPPictureImportBGRA(WebPPicture* picture,
: 0;
}
int WebPPictureImportRGBX(WebPPicture* picture,
const uint8_t* rgba, int rgba_stride) {
return (picture != NULL && rgba != NULL)
? Import(picture, rgba, rgba_stride, 4, 0, 0)
: 0;
}
int WebPPictureImportBGRX(WebPPicture* picture,
const uint8_t* rgba, int rgba_stride) {
@ -1176,4 +1158,27 @@ int WebPPictureImportBGRX(WebPPicture* picture,
: 0;
}
#endif // WEBP_REDUCE_CSP
int WebPPictureImportRGB(WebPPicture* picture,
const uint8_t* rgb, int rgb_stride) {
return (picture != NULL && rgb != NULL)
? Import(picture, rgb, rgb_stride, 3, 0, 0)
: 0;
}
int WebPPictureImportRGBA(WebPPicture* picture,
const uint8_t* rgba, int rgba_stride) {
return (picture != NULL && rgba != NULL)
? Import(picture, rgba, rgba_stride, 4, 0, 1)
: 0;
}
int WebPPictureImportRGBX(WebPPicture* picture,
const uint8_t* rgba, int rgba_stride) {
return (picture != NULL && rgba != NULL)
? Import(picture, rgba, rgba_stride, 4, 0, 0)
: 0;
}
//------------------------------------------------------------------------------

8
src/enc/picture_enc.c
View File

@ -270,9 +270,11 @@ size_t NAME(const uint8_t* in, int w, int h, int bps, float q, \
}
ENCODE_FUNC(WebPEncodeRGB, WebPPictureImportRGB)
ENCODE_FUNC(WebPEncodeBGR, WebPPictureImportBGR)
ENCODE_FUNC(WebPEncodeRGBA, WebPPictureImportRGBA)
#if !defined(WEBP_REDUCE_CSP)
ENCODE_FUNC(WebPEncodeBGR, WebPPictureImportBGR)
ENCODE_FUNC(WebPEncodeBGRA, WebPPictureImportBGRA)
#endif // WEBP_REDUCE_CSP
#undef ENCODE_FUNC
@ -283,9 +285,11 @@ size_t NAME(const uint8_t* in, int w, int h, int bps, uint8_t** out) { \
}
LOSSLESS_ENCODE_FUNC(WebPEncodeLosslessRGB, WebPPictureImportRGB)
LOSSLESS_ENCODE_FUNC(WebPEncodeLosslessBGR, WebPPictureImportBGR)
LOSSLESS_ENCODE_FUNC(WebPEncodeLosslessRGBA, WebPPictureImportRGBA)
#if !defined(WEBP_REDUCE_CSP)
LOSSLESS_ENCODE_FUNC(WebPEncodeLosslessBGR, WebPPictureImportBGR)
LOSSLESS_ENCODE_FUNC(WebPEncodeLosslessBGRA, WebPPictureImportBGRA)
#endif // WEBP_REDUCE_CSP
#undef LOSSLESS_ENCODE_FUNC