I_LFTG_GAMMA      243 libavcodec/jpeg2000dwt.c         p[2 * i + 1] += (I_LFTG_GAMMA * (p[2 * i]     + p[2 * i + 2]) + (1 << 15)) >> 16;
I_LFTG_GAMMA      470 libavcodec/jpeg2000dwt.c         p[2 * i + 1] -= (I_LFTG_GAMMA * (p[2 * i]     + (int64_t)p[2 * i + 2]) + (1 << 15)) >> 16;