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Full Version: Low FPS / CDVDPlayerAudio:: Discontinuity
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Hello,

I have a problem with XBMC lately, it became simply impossible to watch any video.

During playback, I have 24FPS at the beginning (which is good) but it drops from times to times to 22 and 23, the video is not really affected but the sound saturates for a short time.
As long as the movie is playing, the problem occurs more and more and more and more frames are dropped, the FPS drops to 17/18, and about 10 or 15 minutes after the beginning, my average FPS is 10, the CPU usage is > 90% and the sound is saturated all the time.

In the log, the episode played was 720p, but the same problem occurs with SD and 1080p content.

I noticed that during playback in the DEBUG log, I have a lot of
DEBUG: CDVDPlayerAudio:: Discontinuity - was:572016950.651096, should be:571974308.916308, error:-42641.734788

It was working well a few weeks ago, and I don't remember changing anything, except that I added a lot of content to the library.

I was running XBMC 9.11 on Win7 x86, I tried updating to the last nightly build, it didn't change anything.
The computer is a Dell Inspiron 1720 with a C2D T7500, 4GB DDR and a GeForce M8600GT.
I also tried changing the Playback Render Method in the settings, it didn't help either.

I also noticed that even during the menus, it's not running as smoothly as it used to. I have 60FPS when idle, but I drop at 20 every time I do something.

Here is a link to the log during the playback of the file:
http://pastebin.com/CMkbB7Sz
(I removed approximatively 75% of the CDVDPlayerAudio:: Discontinuity lines because I couldn't upload it all on pastebin.com)

I also noticed that when XBMC starts, I have the following error:
14:55:35 T:2516 M:1041494016 ERROR: Win32DllLoader::Load: Unable to load special://xbmc/system/players/dvdplayer/bcmDIL.dll (126)

Could it be linked?

Thank you!
Wow, that is disappointing that nobody has replied to you. You were pretty helpful with all the information too.

I myself am seeing a similar problem, but it has been ever since I upgraded my system to pre 10.05 or whatever.

Anyway, should you fail to get a response, it is sometimes a good idea to *bump* the post. Consider it *bumped* for you.
I'll stand in the line also with this problem in Linux and I'll do another bump.
Meanwhile I suggest you should place bug report.

Cheers...
I am having a similar problem running 10.04 with a SVN version (xbcmfreak-10.08-svn31495-lucid1)

On a few shows, the video pauses and 'buffering' is shown on the screen. I am streaming from WHS via gigabit. HD content plays fine in general, however .avi dvd-quality content doesn't play. (that should stream just fine)


Debug Log: http://pastebin.com/zY64f7M8
the avi's may be "invalid" in that sence that they are not interleaved. These requires a shitload of seeking around in the file to play and often play very badly.
Just in case anyone has this problem still, The drive that had the particular content that didn't play correctly was slow due to a very cheap PCI sata card.

I just didn't know because I was behind WHS and didn't know how to check what drive was even being used. I replaced it with a nicer one and haven't had this problem since.
Also having this exact problem. rebump.
I should also note there appear to be 5+ other threads with the same "CDVDPlayerAudio:: Discontinuity" issue, an no apparently resolution. I don't know if there is even a bug open for it.
If it helps at all, here is the mediainfo:

Code:
General
Complete name                    : /media/BigBoy/Movies/Cube (1997)/Cube.1997.DVDRIP-ZEKTORM.mp4
Format                           : MPEG-4
Format profile                   : Base Media
Codec ID                         : isom
File size                        : 700 MiB
Duration                         : 1h 26mn
Overall bit rate                 : 1 128 Kbps
Encoded date                     : UTC 2009-01-05 13:02:34
Tagged date                      : UTC 2009-01-05 13:02:34

Video
ID                               : 1
Format                           : AVC
Format/Info                      : Advanced Video Codec
Format profile                   : [email protected]
Format settings, CABAC           : Yes
Format settings, ReFrames        : 10 frames
Codec ID                         : avc1
Codec ID/Info                    : Advanced Video Coding
Duration                         : 1h 26mn
Bit rate mode                    : Variable
Bit rate                         : 1 044 Kbps
Maximum bit rate                 : 6 160 Kbps
Width                            : 704 pixels
Height                           : 416 pixels
Display aspect ratio             : 16:9
Frame rate mode                  : Constant
Frame rate                       : 25.000 fps
Color space                      : YUV
Chroma subsampling               : 4:2:0
Bit depth                        : 8 bits
Scan type                        : Progressive
Bits/(Pixel*Frame)               : 0.143
Stream size                      : 648 MiB (93%)
Title                            : Video
Writing library                  : x264 core 60 r900 a9af942
Encoding settings                : cabac=1 / ref=10 / deblock=1:-2:-1 / analyse=0x3:0x113 / me=umh / subme=6 / brdo=1 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=2 / 8x8dct=1 / cqm=0 / deadzone=21,11 / chroma_qp_offset=0 / threads=6 / nr=0 / decimate=0 / mbaff=0 / bframes=16 / b_pyramid=1 / b_adapt=1 / b_bias=0 / direct=3 / wpredb=1 / bime=1 / keyint=250 / keyint_min=25 / scenecut=40(pre) / rc=2pass / bitrate=1044 / ratetol=1.0 / rceq='blurCplx^(1-qComp)' / qcomp=1.00 / qpmin=10 / qpmax=51 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / ip_ratio=1.40 / pb_ratio=1.30 / aq=2:1.00
Encoded date                     : UTC 2009-01-05 13:02:34
Tagged date                      : UTC 2009-01-05 13:03:50

Audio
ID                               : 2
Format                           : AAC
Format/Info                      : Advanced Audio Codec
Format profile                   : HE-AAC / LC
Codec ID                         : 40
Duration                         : 1h 26mn
Bit rate mode                    : Variable
Bit rate                         : 81.0 Kbps
Maximum bit rate                 : 109 Kbps
Channel(s)                       : 2 channels
Channel positions                : Front: L R
Sampling rate                    : 48.0 KHz / 24.0 KHz
Compression mode                 : Lossy
Stream size                      : 50.3 MiB (7%)
Title                            : English
Language                         : English
Encoded date                     : UTC 2009-01-05 13:03:47
Tagged date                      : UTC 2009-01-05 13:03:50
I get this issue as well, usually halfway through a movie. I'm running SVN XBMC on Ubuntu, it's been happening for about a month. I highly doubt it has anything to do with the type of movie, I can reproduce this with MPG's, AVI's, MKV, anything really, HD or SD. It doesn't happen in the same spot every time. I can also watch a short movie, let it loop, and it will crash the second time watching it, not the first. I get this over and over until it grinds XBMC to a halt.

15:38:12 T:2919234416 M:2630426624 WARNING: CRenderManager::FlipPage - timeout waiting for previous frame
15:38:12 T:2910841712 M:2630426624 WARNING: Previous line repeats 1 times.
15:38:12 T:2910841712 M:2630426624 DEBUG: CDVDPlayerAudio:: Discontinuity - was:807294070.317480, should be:807179010.566480, error:-115059.751000
15:38:12 T:2919234416 M:2630426624 WARNING: CRenderManager::FlipPage - timeout waiting for previous frame
15:38:13 T:2910841712 M:2630115328 WARNING: Previous line repeats 2 times.
15:38:13 T:2910841712 M:2630115328 DEBUG: CDVDPlayerAudio:: Discontinuity - was:807553323.533480, should be:807371000.000000, error:-182323.533480
15:38:13 T:2919234416 M:2630115328 WARNING: CRenderManager::FlipPage - timeout waiting for previous frame
15:38:13 T:2910841712 M:2630115328 ERROR: GetDelay - snd_pcm_delay, alsa error: -32 - Broken pipe
15:38:13 T:2919234416 M:2630115328 WARNING: CRenderManager::FlipPage - timeout waiting for previous frame
15:38:13 T:2910841712 M:2629988352 WARNING: Previous line repeats 1 times.
15:38:13 T:2910841712 M:2629988352 DEBUG: CDVDPlayerAudio:: Discontinuity - was:807735875.797000, should be:807595013.018480, error:-140862.778520
15:38:13 T:2919234416 M:2630389760 WARNING: CRenderManager::FlipPage - timeout waiting for previous frame
15:38:13 T:2910841712 M:2629455872 WARNING: Previous line repeats 1 times.
15:38:13 T:2910841712 M:2629455872 DEBUG: CDVDPlayerAudio:: Discontinuity - was:807838491.042480, should be:807723014.420480, error:-115476.622001
15:38:13 T:2919234416 M:2629455872 WARNING: CRenderManager::FlipPage - timeout waiting for previous frame
15:38:13 T:2910841712 M:2629513216 WARNING: Previous line repeats 1 times.
BUMP

I am having the exact same problem.

It just started happening recently though.

Running Windows 7 latest nightly build on Acer Revo 3610.