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WEBP_REDUCE_CSP: restrict colorspace support

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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
This commit is contained in:
Pascal Massimino
2017-11-22 23:51:19 -08:00
parent 541179a9a5
commit 6de20df02c
8 changed files with 150 additions and 64 deletions
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7
extras/get_disto.c
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@ -322,6 +322,7 @@ int main(int argc, const char *argv[]) {
fprintf(stderr, "Can only compute the difference map in ARGB format.\n");
goto End;
}
#if !defined(WEBP_REDUCE_CSP)
data_size = WebPEncodeLosslessBGRA((const uint8_t*)pic1.argb,
pic1.width, pic1.height,
pic1.argb_stride * 4,
@ -333,6 +334,12 @@ int main(int argc, const char *argv[]) {
ret = ImgIoUtilWriteFile(output, data, data_size) ? 0 : 1;
WebPFree(data);
if (ret) goto End;
#else
(void)data;
(void)data_size;
fprintf(stderr, "Cannot save the difference map. Please recompile "
"without the WEBP_REDUCE_CSP flag.\n");
#endif // WEBP_REDUCE_CSP
}
ret = 0;