dc = -prev_dc +
data[x + y * stride] * 8 -
data[x + 1 + y * stride];
- dc = (dc * 10923 + 32768) >> 16;
+ dc = (av_clip(dc, INT_MIN/10923, INT_MAX/10923 - 32768) * 10923 + 32768) >> 16;
prev_dc = data[x + y * stride];
data[x + y * stride] = dc;
}
dc = -prev_dc +
data[x + y * stride] * 8 -
data[x + (y + 1) * stride];
- dc = (dc * 10923 + 32768) >> 16;
+ dc = (av_clip(dc, INT_MIN/10923, INT_MAX/10923 - 32768) * 10923 + 32768) >> 16;
prev_dc = data[x + y * stride];
data[x + y * stride] = dc;
}