<div dir="ltr">Hi Jason,<div><br></div><div>Thanks for your kindly response. The input source stream is huge(about 100M), and I am not quite sure if it can be reproduced with short clip.</div><div>Is there a shared path that I can upload the stream?</div>
<div><br></div><div>Thanks,</div><div>Kevin</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">2014-03-24 16:48 GMT+08:00 Jason Garrett-Glaser <span dir="ltr"><<a href="mailto:darkshikari@gmail.com" target="_blank">darkshikari@gmail.com</a>></span>:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="">On Sun, Mar 23, 2014 at 7:38 PM, kevin bai <<a href="mailto:maosheng.bai@gmail.com">maosheng.bai@gmail.com</a>> wrote:<br>
> Hi all,<br>
><br>
> When use x264 for 2 pass encoding, I find there is a big VQ gap at I frame.<br>
> I captured some logs as below:<br>
> The avg QP of index 6299 I frame jumps to 54.79, which make the total frame<br>
> is blur.<br>
> The content of the source steam is courseware, the most frames are still<br>
> only with some characters change.<br>
<br>
</div>Do you have a replicable test case, including input file and<br>
parameters used? Without those I can't make any meaningful conclusion.<br>
<br>
Jason<br>
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