<div class="gmail_quote">On Sat, Dec 4, 2010 at 3:20 PM, Taylor Ralph <span dir="ltr"><<a href="mailto:taylor.ralph@gmail.com">taylor.ralph@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div><div></div><div class="h5">On Sat, Dec 4, 2010 at 3:13 PM, Jerry Rubinow <<a href="mailto:jerrymr@gmail.com">jerrymr@gmail.com</a>> wrote:<br>
> On Fri, Dec 3, 2010 at 8:45 AM, Jerry Rubinow <<a href="mailto:jerrymr@gmail.com">jerrymr@gmail.com</a>> wrote:<br>
>><br>
>> On Fri, Dec 3, 2010 at 2:28 AM, Raymond Wagner <<a href="mailto:raymond@wagnerrp.com">raymond@wagnerrp.com</a>><br>
>> wrote:<br>
>>><br>
>>> On 12/3/2010 00:34, Jerry Rubinow wrote:<br>
>>>><br>
>>>> With more investigation, I've found mpeg 480p, 720p and 1080i all play<br>
>>>> back ok. It is H264 720p which does not. Any ideas what to look into?<br>
>>><br>
>>> 720p60 means these are HDPVR recordings? What bitrate do you have it set<br>
>>> to?<br>
>><br>
>> Yes. The mpeg recordings are all HDHomerun, and the H264 720p60 is from<br>
>> the HDPVR. It's set to whatever the default is - I've never changed it.<br>
>> I'll try changing the bitrate and see what happens. I do observe though<br>
>> that the CPU hovers in the low 30 percent range when playing back. So I<br>
>> don't understand the reason for the pauses, if it's caused by too high a<br>
>> bitrate.<br>
><br>
> I lowered the bitrate down to 2000 in the profile and recorded a show, but<br>
> it still has the same problem.<br>
> To reiterate, 720p H264 recordings from the HDPVR exhibit pauses during<br>
> playback. The log shows that frames are repeatedy being dropped because the<br>
> audio is ahead of the video. I have no problem with 720p or 1080i mpeg<br>
> files from the HDHomeRun. Playback is under mythfrontend compiled on a<br>
> Window box with ION video. CPU usage during playback is low (around the low<br>
> 30s percent). Lower than with the mpeg playback.<br>
> I tried forcing the NVideo vsync setting off, didn't help. Tried different<br>
> recording bitrates, as mentioned, didn't help. Playback is configured to<br>
> use Direct3D / ffmpeg.<br>
> Can someone fill in any details about how mpeg decode differs from H264<br>
> decode in myth?<br>
> -Jerry<br>
<br>
</div></div>It would be much more helpful if you posted a log with the video in<br>
question playing with the -v playback,timestamp options.</blockquote><div> </div><div><span class="Apple-style-span" style="font-family: arial, sans-serif; font-size: 13px; border-collapse: collapse; ">Indeed, enclosed is the log of a session. At the user end, I started MFE, told the recording to play, immediately hit Esc to clear the OSD, waited a few seconds to observe the undesired behavior, and exited playback and then MFE.</span></div>
<span class="Apple-style-span" style="font-family: arial, sans-serif; font-size: 13px; border-collapse: collapse; "><div><br></div></span><div><span class="Apple-style-span" style="font-family: arial, sans-serif; font-size: 13px; border-collapse: collapse; color: rgb(136, 136, 136); ">-Jerry</span> </div>
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