libwebp-0.5.2-rc2

third_party/libwebp/enc/picture.c

 // Copyright 2011 Google Inc. All Rights Reserved.
 //
 // Use of this source code is governed by a BSD-style license
 // that can be found in the COPYING file in the root of the source
 // tree. An additional intellectual property rights grant can be found
 // in the file PATENTS. All contributing project authors may
 // be found in the AUTHORS file in the root of the source tree.
 // -----------------------------------------------------------------------------
 //
 // WebPPicture class basis
@@ skipping 70 matching lines @@
     return WebPEncodingSetError(picture, VP8_ENC_ERROR_OUT_OF_MEMORY);
   }
   // TODO(skal): align plane to cache line?
   picture->memory_argb_ = memory;
   picture->argb = (uint32_t*)memory;
   picture->argb_stride = width;
   return 1;
 }
 
 int WebPPictureAllocYUVA(WebPPicture* const picture, int width, int height) {
-  const WebPEncCSP uv_csp = picture->colorspace & WEBP_CSP_UV_MASK;
-  const int has_alpha = picture->colorspace & WEBP_CSP_ALPHA_BIT;
+  const WebPEncCSP uv_csp =
+      (WebPEncCSP)((int)picture->colorspace & WEBP_CSP_UV_MASK);
+  const int has_alpha = (int)picture->colorspace & WEBP_CSP_ALPHA_BIT;
   const int y_stride = width;
   const int uv_width = (width + 1) >> 1;
   const int uv_height = (height + 1) >> 1;
   const int uv_stride = uv_width;
   int a_width, a_stride;
   uint64_t y_size, uv_size, a_size, total_size;
   uint8_t* mem;
 
   assert(picture != NULL);
 
@@ skipping 180 matching lines @@
 }
 
 LOSSLESS_ENCODE_FUNC(WebPEncodeLosslessRGB, WebPPictureImportRGB)
 LOSSLESS_ENCODE_FUNC(WebPEncodeLosslessBGR, WebPPictureImportBGR)
 LOSSLESS_ENCODE_FUNC(WebPEncodeLosslessRGBA, WebPPictureImportRGBA)
 LOSSLESS_ENCODE_FUNC(WebPEncodeLosslessBGRA, WebPPictureImportBGRA)
 
 #undef LOSSLESS_ENCODE_FUNC
 
 //------------------------------------------------------------------------------