VP8CheckSignature  159 3rdparty/libwebp/dec/decode_vp8.h WEBP_EXTERN(int) VP8CheckSignature(const uint8_t* const data, size_t data_size);
VP8CheckSignature  105 3rdparty/libwebp/dec/vp8.c   if (!VP8CheckSignature(data + 3, data_size - 3)) {
VP8CheckSignature  319 3rdparty/libwebp/dec/vp8.c     if (!VP8CheckSignature(buf, buf_size)) {