On 2/25/06, <b class="gmail_sendername">Steve Malenfant</b> <<a href="mailto:smalenfant@gmail.com">smalenfant@gmail.com</a>> wrote:<div><span class="gmail_quote"></span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
So, I've tried recompiling with static buffers of 65384KB. That<br>didn't work. There is something about the 1080i stream of terminator<br>which makes it work just great.<br><br>If I play the video with no audio (audio device=none), every single
<br>channel works without any prebuffering. I was expecting that because<br>the problem seems to be related to a sync with audio and video. Not<br>sure why video is always a few frames in advance on the audio, but<br>that's what causing the prebuffering pause it seems.
<br><br>Something isn't right in 0.19.<br><br>Steve M.<br><br>On 2/24/06, Steve Malenfant <<a href="mailto:smalenfant@gmail.com">smalenfant@gmail.com</a>> wrote:<br>> So I've compared a few programs, Terminator 3, Olympic and American Idol.
<br>> There is huge difference in the number of buffer allocated. I'll include<br>> what I think is relevant here, but I'll save the log for later. The only<br>> one that play fine is Terminator 3 which uses 65384 KB buffers. That's
<br>> actually the only stream that works on my box right now. So is it possible<br>> that this buffer management isn't working properly or the buffer aren't<br>> suited right? Who can bring the attention of this to one of the developper
<br>> (if not reading, and if my info is relevant)?<br>><br>> Terminator 3(1080i, WGCL, perfect playback, 0.18 recording) :<br>> stream: start_time: 38308.760 duration: 8335.827 bitrate=18421 kb/s<br>> 2006-02-24 20:31:
52.445 detectInterlace(Detect Scan, Detect Scan, 29.97,<br>> 1088) ->Interlaced Scan<br>> 2006-02-24 20:31:52.445 Interlaced: Interlaced Scan video_height: 1088<br>> fps: 29.97<br>> 2006-02-24 20:31:52.447
<br>> RingBuf(myth://192.168.11.24:6543/1046_20060219210000.mpg):<br>> CalcReadAheadThresh(65384 KB)<br>> -> threshhold(2650 KB) min read(32 KB) blk<br>> size(512 KB)<br>><br>> Olympic (1080i, NBC, stutters,
0.19 recording) :<br>> stream: start_time: 64275.281 duration: 14176.624 bitrate=15627 kb/s<br>> 2006-02-24 20:44:36.735 detectInterlace(Detect Scan, Detect Scan, 29.97,<br>> 1088) ->Interlaced Scan<br>> 2006-02-24 20:44:
36.735 Interlaced: Interlaced Scan video_height: 1088<br>> fps: 29.97<br>> 2006-02-24 20:44:36.736<br>> RingBuf(myth://192.168.11.24:6543/1111_20060223200400.mpg):<br>> CalcReadAheadThresh(16384 KB)<br>> -> threshhold(856 KB) min read(32 KB) blk size(256
<br>> KB)<br>><br>><br>> American Idol (720p, FOX, stutters, 0.19 recording) :<br>><br>> stream: start_time: 65694.620 duration: 3605.606 bitrate=12973 kb/s<br>> 2006-02-24 20:33:23.624 detectInterlace(Detect Scan, Detect Scan,
59.9401,<br>> 720) ->Progressive Scan<br>> 2006-02-24 20:33:23.625 Interlaced: Progressive Scan video_height: 720<br>> fps: 59.9401<br>> 2006-02-24 20:33:23.632<br>> RingBuf(myth://192.168.11.24:6543/1051_20060223200000.mpg):
<br>> CalcReadAheadThresh(15384 KB)<br>> -> threshhold(819 KB) min read(32 KB) blk size(256<br>> KB)<br>><br>> Steve M.<br>><br>> On 2/24/06, Ray Lischner <<a href="mailto:linux@tempest-sw.com">
linux@tempest-sw.com</a>> wrote:<br>> > On Friday 24 February 2006 11:13 am, Joe Silver wrote:<br>> ><br>> > > The pauses aren't so much pauses as they are momentary (like 1/10th of<br>> > > a second) blip in the audio. Maybe the video skips too, but it's much
<br>> > > easier to notice the audio.<br>> ><br>> > Another reason why I may not have noticed anything so far. A minor blip<br>> > in the sound of skis slicing through snow would not draw my attention.
<br>> > Once I can clear the Olympics off my disk drive, I'll try to pay<br>> > attention and see whether I can detect the prebuffering pauses.<br>> > --<br>> > Ray Lischner<br>> > _______________________________________________
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</a><br>> ><br>><br>><br>_______________________________________________<br>mythtv-users mailing list<br><a href="mailto:mythtv-users@mythtv.org">mythtv-users@mythtv.org</a><br><a href="http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users">
http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users</a><br></blockquote></div><br><br>I upgraded to the latest ATrpms as of last night and while I'm not promising anything, initial results indicate my issues are gone.
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