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fix WebPPictureView() unassigned strides

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y_stride/uv_stride/argb_stride were not set properly.

Change-Id: I001b8d46f873ca04b5c68eccd6f232061020f9ec
This commit is contained in:
Pascal Massimino 2012-10-31 16:01:34 -07:00
parent 75e5f17e3b
commit 0e8b7eedaa
1 changed files with 5 additions and 0 deletions
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5
src/enc/picture.c
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@ -290,8 +290,11 @@ int WebPPictureView(const WebPPicture* src,
dst->y = src->y + top * src->y_stride + left; dst->y = src->y + top * src->y_stride + left;
dst->u = src->u + (top >> 1) * src->uv_stride + (left >> 1); dst->u = src->u + (top >> 1) * src->uv_stride + (left >> 1);
dst->v = src->v + (top >> 1) * src->uv_stride + (left >> 1); dst->v = src->v + (top >> 1) * src->uv_stride + (left >> 1);
dst->y_stride = src->y_stride;
dst->uv_stride = src->uv_stride;
if (src->a != NULL) { if (src->a != NULL) {
dst->a = src->a + top * src->a_stride + left; dst->a = src->a + top * src->a_stride + left;
dst->a_stride = src->a_stride;
} }
#ifdef WEBP_EXPERIMENTAL_FEATURES #ifdef WEBP_EXPERIMENTAL_FEATURES
if (src->u0 != NULL) { if (src->u0 != NULL) {
@ -299,10 +302,12 @@ int WebPPictureView(const WebPPicture* src,
IS_YUV_CSP(dst->colorspace, WEBP_YUV422) ? (left >> 1) : left; IS_YUV_CSP(dst->colorspace, WEBP_YUV422) ? (left >> 1) : left;
dst->u0 = src->u0 + top * src->uv0_stride + left_pos; dst->u0 = src->u0 + top * src->uv0_stride + left_pos;
dst->v0 = src->v0 + top * src->uv0_stride + left_pos; dst->v0 = src->v0 + top * src->uv0_stride + left_pos;
dst->uv0_stride = src->uv0_stride;
} }
#endif #endif
} else { } else {
dst->argb = src->argb + top * src->argb_stride + left; dst->argb = src->argb + top * src->argb_stride + left;
dst->argb_stride = src->argb_stride;
} }
return 1; return 1;
} }