shithub: libvpx

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vp8_decrypt_test.c: Silence MSVC data loss warning.

- Change type of encrypt_buffer() offset argument to ptrdiff_t, and change the
  type of the size argument to size_t.
- Update size argument encrypt_buffer() in vp8_boolcoder_test.c with
  same.

Change-Id: Ie29c7c82c73318bee01b89c6fb4c4e1442eef03c

--- a/test/vp8_boolcoder_test.cc

+++ b/test/vp8_boolcoder_test.cc

@@ -35,14 +35,14 @@

   0x89, 0x9a, 0xab, 0xbc, 0xcd, 0xde, 0xef, 0xf0

 };

-void encrypt_buffer(uint8_t *buffer, int size) {

-  for (int i = 0; i < size; ++i) {

+void encrypt_buffer(uint8_t *buffer, size_t size) {

+  for (size_t i = 0; i < size; ++i) {

     buffer[i] ^= secret_key[i & 15];

   }

 }

 void test_decrypt_cb(void *decrypt_state, const uint8_t *input,

-                           uint8_t *output, int count) {

+                     uint8_t *output, int count) {

   const size_t offset = input - reinterpret_cast<uint8_t*>(decrypt_state);

   for (int i = 0; i < count; i++) {

     output[i] = input[i] ^ secret_key[(offset + i) & 15];

--- a/test/vp8_decrypt_test.cc

+++ b/test/vp8_decrypt_test.cc

@@ -26,9 +26,9 @@

   0x89, 0x9a, 0xab, 0xbc, 0xcd, 0xde, 0xef, 0xf0

 };

-void encrypt_buffer(const uint8_t *src, uint8_t *dst,

-                    int size, int offset = 0) {

-  for (int i = 0; i < size; ++i) {

+void encrypt_buffer(const uint8_t *src, uint8_t *dst, size_t size,

+                    ptrdiff_t offset) {

+  for (size_t i = 0; i < size; ++i) {

     dst[i] = src[i] ^ test_key[(offset + i) & 15];

   }

 }

@@ -61,7 +61,7 @@

 #if CONFIG_DECRYPT

   std::vector<uint8_t> encrypted(video.frame_size());

-  encrypt_buffer(video.cxdata(), &encrypted[0], video.frame_size());

+  encrypt_buffer(video.cxdata(), &encrypted[0], video.frame_size(), 0);

   vp8_decrypt_init di = { test_decrypt_cb, &encrypted[0] };

   decoder.Control(VP8D_SET_DECRYPTOR, &di);

 #endif  // CONFIG_DECRYPT