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bluetooth: sbc: Reduce for-loop induced indentation in sbc_unpack_frame

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Johan Hedberg 2011-10-20 15:47:49 +03:00 • committed by Arun Raghavan
parent 00602537ba
commit 8c0cca7905
1 changed files with 22 additions and 18 deletions
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40
src/modules/bluetooth/sbc/sbc.c
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@ -493,26 +493,30 @@ static int sbc_unpack_frame(const uint8_t *data, struct sbc_frame *frame,
for (blk = 0; blk < frame->blocks; blk++) { for (blk = 0; blk < frame->blocks; blk++) {
for (ch = 0; ch < frame->channels; ch++) { for (ch = 0; ch < frame->channels; ch++) {
for (sb = 0; sb < frame->subbands; sb++) { for (sb = 0; sb < frame->subbands; sb++) {
if (levels[ch][sb] > 0) { uint32_t shift;
uint32_t shift =
frame->scale_factor[ch][sb] +
1 + SBCDEC_FIXED_EXTRA_BITS;
audio_sample = 0;
for (bit = 0; bit < bits[ch][sb]; bit++) {
if (consumed > len * 8)
return -1;
if ((data[consumed >> 3] >> (7 - (consumed & 0x7))) & 0x01) if (levels[ch][sb] == 0) {
audio_sample |= 1 << (bits[ch][sb] - bit - 1);
consumed++;
}
frame->sb_sample[blk][ch][sb] = (int32_t)
(((((uint64_t) audio_sample << 1) | 1) << shift) /
levels[ch][sb]) - (1 << shift);
} else
frame->sb_sample[blk][ch][sb] = 0; frame->sb_sample[blk][ch][sb] = 0;
continue;
}
shift = frame->scale_factor[ch][sb] +
1 + SBCDEC_FIXED_EXTRA_BITS;
audio_sample = 0;
for (bit = 0; bit < bits[ch][sb]; bit++) {
if (consumed > len * 8)
return -1;
if ((data[consumed >> 3] >> (7 - (consumed & 0x7))) & 0x01)
audio_sample |= 1 << (bits[ch][sb] - bit - 1);
consumed++;
}
frame->sb_sample[blk][ch][sb] = (int32_t)
(((((uint64_t) audio_sample << 1) | 1) << shift) /
levels[ch][sb]) - (1 << shift);
} }
} }
} }