Changeset 221 for libmpc/branches/r2d/libmpcenc/libmpcenc.h

Timestamp:

02/17/07 21:18:35 (17 years ago)

Author:

r2d

Message:

• speed optimizations

File:

• libmpc/branches/r2d/libmpcenc/libmpcenc.h (modified) (1 diff)

libmpc/branches/r2d/libmpcenc/libmpcenc.h

@@ -94 +94 @@
  mpc_uint32_t writeBlock ( mpc_encoder_t *, const char *, const mpc_bool_t, mpc_uint32_t);
  void writeMagic (mpc_encoder_t * e);
- void writeBits (mpc_encoder_t * e, mpc_uint32_t input, unsigned int bits );
+ void emptyBits(mpc_encoder_t * e);
+ static mpc_inline void writeBits (mpc_encoder_t * e, mpc_uint32_t input, unsigned int bits )
+ {
+         e->outputBits += bits;
+
+         if (e->bitsCount + bits > sizeof(e->bitsBuff) * 8) {
+                 int tmp = (sizeof(e->bitsBuff) * 8 - e->bitsCount);
+                 bits -= tmp;
+                 e->bitsBuff = (e->bitsBuff << tmp) | (input >> bits);
+                 e->bitsCount = sizeof(e->bitsBuff) * 8;
+                 emptyBits(e);
+                 input &= (1 << bits) - 1;
+         }
+         e->bitsBuff = (e->bitsBuff << bits) | input;
+         e->bitsCount += bits;
+ }
  void writeSeekTable (mpc_encoder_t * e);
  void writeBitstream_SV8 ( mpc_encoder_t*, int);