Commit bb0ca87a authored by Johann's avatar Johann
Browse files

guard against space/time distortion

and divide by 0 errors

Change-Id: I8af5ca3d0913cb6f278fff754f8772bcb62e674a
parent dc004e8c
......@@ -1342,6 +1342,8 @@ static void update_rate_histogram(struct rate_hist *hist,
if(now < cfg->rc_buf_initial_sz)
return;
then = now;
/* Sum the size over the past rc_buf_sz ms */
for(i = hist->frames; i > 0; i--)
{
......@@ -1353,6 +1355,9 @@ static void update_rate_histogram(struct rate_hist *hist,
sum_sz += hist->sz[i_idx];
}
if (now == then)
return;
avg_bitrate = sum_sz * 8 * 1000 / (now - then);
idx = avg_bitrate * (RATE_BINS/2) / (cfg->rc_target_bitrate * 1000);
if(idx < 0)
......
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