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combine the blk loops inside the joint conditional

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This commit is contained in:
Brad Midgley 2007-11-27 03:15:36 +00:00
parent 75d93a3225
commit 6a2bcc32bf
1 changed files with 7 additions and 10 deletions
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17
sbc/sbc.c
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@ -1079,28 +1079,25 @@ static int sbc_pack_frame(uint8_t *data, struct sbc_frame *frame, size_t len)
frame->join = 0;
for (sb = 0; sb < frame->subbands - 1; sb++) {
/* Calculate joint stereo signal */
scale_factor_j[0] = 0;
scalefactor_j[0] = 2;
scale_factor_j[1] = 0;
scalefactor_j[1] = 2;
for (blk = 0; blk < frame->blocks; blk++) {
/* Calculate joint stereo signal */
sb_sample_j[blk][0] =
(frame->sb_sample_f[blk][0][sb] +
frame->sb_sample_f[blk][1][sb]) >> 1;
sb_sample_j[blk][1] =
(frame->sb_sample_f[blk][0][sb] -
frame->sb_sample_f[blk][1][sb]) >> 1;
}
/* calculate scale_factor_j and scalefactor_j for joint case */
scale_factor_j[0] = 0;
scalefactor_j[0] = 2;
for (blk = 0; blk < frame->blocks; blk++) {
/* calculate scale_factor_j and scalefactor_j for joint case */
while (scalefactor_j[0] < fabs(sb_sample_j[blk][0])) {
scale_factor_j[0]++;
scalefactor_j[0] *= 2;
}
}
scale_factor_j[1] = 0;
scalefactor_j[1] = 2;
for (blk = 0; blk < frame->blocks; blk++) {
while (scalefactor_j[1] < fabs(sb_sample_j[blk][1])) {
scale_factor_j[1]++;
scalefactor_j[1] *= 2;