minor improvement in FLAC__bitbuffer_write_raw_uint32

This commit is contained in:
Josh Coalson 2001-05-03 20:10:11 +00:00
parent 2bbbcf6f58
commit 3ca2712146

View File

@ -267,17 +267,6 @@ bool FLAC__bitbuffer_write_zeroes(FLAC__BitBuffer *bb, unsigned bits)
bool FLAC__bitbuffer_write_raw_uint32(FLAC__BitBuffer *bb, uint32 val, unsigned bits)
{
static const uint32 mask[] = {
0,
0x00000001, 0x00000003, 0x00000007, 0x0000000F,
0x0000001F, 0x0000003F, 0x0000007F, 0x000000FF,
0x000001FF, 0x000003FF, 0x000007FF, 0x00000FFF,
0x00001FFF, 0x00003FFF, 0x00007FFF, 0x0000FFFF,
0x0001FFFF, 0x0003FFFF, 0x0007FFFF, 0x000FFFFF,
0x001FFFFF, 0x003FFFFF, 0x007FFFFF, 0x00FFFFFF,
0x01FFFFFF, 0x03FFFFFF, 0x07FFFFFF, 0x0FFFFFFF,
0x1FFFFFFF, 0x3FFFFFFF, 0x7FFFFFFF, 0xFFFFFFFF
};
unsigned n, k;
assert(bb != 0);
@ -288,7 +277,7 @@ bool FLAC__bitbuffer_write_raw_uint32(FLAC__BitBuffer *bb, uint32 val, unsigned
return true;
if(!bitbuffer_ensure_size_(bb, bits))
return false;
val &= mask[bits];
val &= (~(0xffffffffu << bits)); /* zero-out unused bits */
bb->total_bits += bits;
while(bits > 0) {
n = 8 - bb->bits;