X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0662cd3286d6da0be81ef063633fec13c5cf741b..5bee458a0f61063fc142a50012261d8ac2c32e5a:/utils/wxMMedia2/lib/converter.def

diff --git a/utils/wxMMedia2/lib/converter.def b/utils/wxMMedia2/lib/converter.def
index b5279cc03f..21157955f9 100644
--- a/utils/wxMMedia2/lib/converter.def
+++ b/utils/wxMMedia2/lib/converter.def
@@ -1,110 +1,31 @@
-#define DEFINE_CONV_8(name) \
-static void Convert_##name##_8(const char *buf_in, char *buf_out, wxUint32 len) \
+#define DEFINE_CONV(name, input_type, output_type, convert) \
+static void Convert_##name##(const char *buf_in, char *buf_out, wxUint32 len) \
 {\
-  wxUint16 val; \
+  register input_type src; \
+  register const input_type *t_buf_in = (input_type *)buf_in; \
+  register output_type *t_buf_out = (output_type *)buf_out; \
 \
   while (len > 0) { \
-    val = *buf_in++; \
-    len--;
-
-#if SWAP_BYTES==0
-
-#define DEFINE_CONV_16(name) \
-static void Convert_##name##_16_no(const char *buf_in, char *buf_out, wxUint32 len) \
-{\
-  wxUint16 val; \
-\
-  while (len > 0) { \
-    val = *(wxUint16 *)(buf_in); \
-    buf_in += 2; \
-    len -= 2;
-
-#else
-
-#define DEFINE_CONV_16(name) \
-static void Convert_##name##_16_yes(const char *buf_in, char *buf_out, wxUint32 len) \
-{\
-  wxUint16 val; \
-\
-  while (len > 0) { \
-    val = *(wxUint16 *)(buf_in); \
-    val = wxUINT16_SWAP_ALWAYS(val); \
-    buf_in += 2; \
-    len -= 2;
-
-#endif
-
-#define END_CONV } }
-
-#define PUT16 *((wxUint16 *)buf_out) = val, buf_out += 2;
-#define PUT16_SWAP *((wxUint16 *)buf_out) = wxUINT16_SWAP_ALWAYS(val), buf_out += 2;
-#define PUT8 *buf_out++ = val;
-#define CHANGE16_SIGN val ^= 0x8000;
-#define CHANGE8_SIGN val ^= 0x80;
-#define REDUCE16_TO_8 val /= 256;
-#define AUGMENT8_TO_16 val *= 256;
-
-DEFINE_CONV_16(16to8)
-REDUCE16_TO_8
-PUT8
-END_CONV
-
-DEFINE_CONV_16(16to8_U2S)
-CHANGE16_SIGN
-REDUCE16_TO_8
-PUT8
-END_CONV
-
-DEFINE_CONV_16(U2S)
-CHANGE16_SIGN
-PUT16
-END_CONV
-
-DEFINE_CONV_16(U2S_SWAP)
-CHANGE16_SIGN
-PUT16_SWAP
-END_CONV
-
-#if SWAP_BYTES == 0
-
-DEFINE_CONV_16(SWAP)
-PUT16_SWAP
-END_CONV
-
-DEFINE_CONV_8(U2S)
-CHANGE8_SIGN
-PUT8
-END_CONV
-
-DEFINE_CONV_8(8to16)
-AUGMENT8_TO_16
-PUT16
-END_CONV
-
-DEFINE_CONV_8(8to16_SWAP)
-AUGMENT8_TO_16
-PUT16_SWAP
-END_CONV
-
-DEFINE_CONV_8(8to16_U2S)
-CHANGE8_SIGN
-AUGMENT8_TO_16
-PUT16
-END_CONV
-
-DEFINE_CONV_8(8to16_U2S_SWAP)
-CHANGE8_SIGN
-AUGMENT8_TO_16
-PUT16_SWAP
-END_CONV
-
-#endif
-
-#undef DEFINE_CONV_16
-#undef DEFINE_CONV_8
-#undef END_CONV
-#undef CHANGE16_SIGN
-#undef CHANGE8_SIGN
-#undef PUT16_SWAP
-#undef PUT16
-#undef PUT8
+    src = *t_buf_in++; \
+    *t_buf_out++ = convert; \
+    len--; \
+  } \
+}
+
+DEFINE_CONV(8_8_sign, wxUint8, wxUint8, (src ^ 0x80))
+
+DEFINE_CONV(8_16, wxUint8, wxUint16, (((wxUint16)src) << 8))
+DEFINE_CONV(8_16_swap, wxUint8, wxUint16, (src))
+DEFINE_CONV(8_16_sign, wxUint8, wxUint16, (((wxUint16)(src ^ 0x80)) << 8))
+DEFINE_CONV(8_16_sign_swap, wxUint8, wxUint16, (src ^ 0x80))
+
+DEFINE_CONV(16_8, wxUint16, wxUint8, (wxUint8)(src >> 8))
+DEFINE_CONV(16_8_sign, wxUint16, wxUint8, (wxUint8)((src >> 8) ^ 0x80))
+DEFINE_CONV(16_swap_8, wxUint16, wxUint8, (wxUint8)(src & 0xff))
+DEFINE_CONV(16_swap_8_sign, wxUint16, wxUint8, (wxUint8)((src & 0xff) ^ 0x80))
+
+DEFINE_CONV(16_sign, wxUint16, wxUint16, (src ^ 0x8000))
+DEFINE_CONV(16_swap, wxUint16, wxUint16, (((src & 0xff) << 8) | ((src >> 8) & 0xff)))
+DEFINE_CONV(16_swap_16_sign, wxUint16, wxUint16, ((((src & 0xff) << 8) | ((src >> 8) & 0xff)) ^ 0x8000))
+DEFINE_CONV(16_sign_16_swap, wxUint16, wxUint16, ((((src & 0xff) << 8) | ((src >> 8) & 0xff)) ^ 0x80))
+DEFINE_CONV(16_swap_16_sign_swap, wxUint16, wxUint16, (src ^ 0x80))
