SCALE_DIFF_ZERO   665 libavcodec/aaccoder.c                                + ff_aac_scalefactor_bits[q - i + SCALE_DIFF_ZERO];
SCALE_DIFF_ZERO   808 libavcodec/aaccoder.c                         bits += ff_aac_scalefactor_bits[sce->sf_idx[w*16+g] - prev + SCALE_DIFF_ZERO];
SCALE_DIFF_ZERO   397 libavcodec/aacenc.c                 diff = sce->sf_idx[w*16 + i] - off + SCALE_DIFF_ZERO;
SCALE_DIFF_ZERO  2230 libavcodec/mips/aaccoder_mips.c                             bits += ff_aac_scalefactor_bits[sce->sf_idx[w*16+g] - prev + SCALE_DIFF_ZERO];
SCALE_DIFF_ZERO  2268 libavcodec/mips/aaccoder_mips.c                             bits += ff_aac_scalefactor_bits[sce->sf_idx[w*16+g] - prev + SCALE_DIFF_ZERO];