I_LFTG_DELTA      245 libavcodec/jpeg2000dwt.c         p[2 * i]     += (I_LFTG_DELTA * (p[2 * i - 1] + p[2 * i + 1]) + (1 << 15)) >> 16;
I_LFTG_DELTA      467 libavcodec/jpeg2000dwt.c         p[2 * i]     -= (I_LFTG_DELTA * (p[2 * i - 1] + (int64_t)p[2 * i + 1]) + (1 << 15)) >> 16;