Slowdown on Certain Files
#1
Hi,

I'm running ATV2 with a Sep 26 nightly build on firmware 4.2.2.

I obtained a series called City Hunter and have been watching it fine. However, there are about 5 files out of 20 that play incredibly slowly, as in one second of video takes about 30 seconds in real time. The files play fine on my computer.

I am running an ftp server on my iMac that is hardwired to a router which is hardwired to my ATV.

The debug log can be found here.
http://pastebin.com/VDBG2bBs

Here's the media info on a slow video.

Code:
General
Complete name                            : /Users/andy1080/Downloads/Video/tv/City Hunter (Korean)/Season 1/City Hunter - S01E18.mp4
Format                                   : MPEG-4
Format profile                           : Base Media
Codec ID                                 : isom
File size                                : 731 MiB
Duration                                 : 1h 3mn
Overall bit rate mode                    : Variable
Overall bit rate                         : 1 617 Kbps
Encoded date                             : UTC 2011-07-26 13:19:02
Tagged date                              : UTC 2011-07-26 13:19:02

Video
ID                                       : 1
Format                                   : AVC
Format/Info                              : Advanced Video Codec
Format profile                           : [email protected]
Format settings, CABAC                   : Yes
Format settings, ReFrames                : 5 frames
Codec ID                                 : avc1
Codec ID/Info                            : Advanced Video Coding
Duration                                 : 1h 3mn
Bit rate                                 : 1 485 Kbps
Maximum bit rate                         : 9 704 Kbps
Width                                    : 1 280 pixels
Height                                   : 720 pixels
Display aspect ratio                     : 16:9
Frame rate mode                          : Variable
Frame rate                               : 24.274 fps
Original frame rate                      : 29.970 fps
Minimum frame rate                       : 17.982 fps
Maximum frame rate                       : 29.970 fps
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : Progressive
Bits/(Pixel*Frame)                       : 0.066
Stream size                              : 672 MiB (92%)
Writing library                          : x264 core 116 r2037 f8ebd4a
Encoding settings                        : cabac=1 / ref=5 / deblock=1:0:0 / analyse=0x1:0x131 / me=umh / subme=9 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=2 / 8x8dct=0 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=18 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=2 / b_bias=0 / direct=3 / weightb=1 / open_gop=0 / weightp=2 / keyint=250 / keyint_min=25 / scenecut=40 / intra_refresh=0 / rc_lookahead=60 / rc=crf / mbtree=1 / crf=22.0 / qcomp=0.60 / qpmin=10 / qpmax=51 / qpstep=4 / ip_ratio=1.40 / aq=1:1.00
Encoded date                             : UTC 2011-07-26 13:17:58
Tagged date                              : UTC 2011-07-26 13:19:08

Audio
ID                                       : 2
Format                                   : AAC
Format/Info                              : Advanced Audio Codec
Format profile                           : LC
Codec ID                                 : 40
Duration                                 : 1h 3mn
Bit rate mode                            : Variable
Bit rate                                 : 128 Kbps
Maximum bit rate                         : 265 Kbps
Channel(s)                               : 2 channels
Channel positions                        : Front: L R
Sampling rate                            : 48.0 KHz
Compression mode                         : Lossy
Stream size                              : 57.9 MiB (8%)
Encoded date                             : UTC 2011-07-26 13:19:06
Tagged date                              : UTC 2011-07-26 13:19:08

Here's the info on a good file

Code:
General
Complete name                            : /Users/andy1080/Downloads/Video/tv/City Hunter (Korean)/Season 1/City Hunter - S01E10.mp4
Format                                   : MPEG-4
Format profile                           : Base Media
Codec ID                                 : isom
File size                                : 663 MiB
Duration                                 : 1h 3mn
Overall bit rate mode                    : Variable
Overall bit rate                         : 1 456 Kbps
Encoded date                             : UTC 2011-07-27 06:05:57
Tagged date                              : UTC 2011-07-27 06:05:57
Writing application                      : Yamb 2.1.0.0 [http://yamb.unite-video.com]

Video
ID                                       : 1
Format                                   : AVC
Format/Info                              : Advanced Video Codec
Format profile                           : [email protected]
Format settings, CABAC                   : Yes
Format settings, ReFrames                : 5 frames
Codec ID                                 : avc1
Codec ID/Info                            : Advanced Video Coding
Duration                                 : 1h 3mn
Bit rate                                 : 1 324 Kbps
Maximum bit rate                         : 9 104 Kbps
Width                                    : 1 280 pixels
Height                                   : 720 pixels
Display aspect ratio                     : 16:9
Frame rate mode                          : Variable
Frame rate                               : 24.110 fps
Original frame rate                      : 29.970 fps
Minimum frame rate                       : 17.982 fps
Maximum frame rate                       : 29.970 fps
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : Progressive
Bits/(Pixel*Frame)                       : 0.060
Stream size                              : 603 MiB (91%)
Writing library                          : x264 core 116 r2037 f8ebd4a
Encoding settings                        : cabac=1 / ref=5 / deblock=1:0:0 / analyse=0x1:0x131 / me=umh / subme=9 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=2 / 8x8dct=0 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=18 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=2 / b_bias=0 / direct=3 / weightb=1 / open_gop=0 / weightp=2 / keyint=300 / keyint_min=30 / scenecut=40 / intra_refresh=0 / rc_lookahead=60 / rc=crf / mbtree=1 / crf=22.0 / qcomp=0.60 / qpmin=10 / qpmax=51 / qpstep=4 / ip_ratio=1.40 / aq=1:1.00
Encoded date                             : UTC 2011-07-27 06:02:21
Tagged date                              : UTC 2011-07-27 06:05:59

Audio
ID                                       : 2
Format                                   : AAC
Format/Info                              : Advanced Audio Codec
Format profile                           : LC
Codec ID                                 : 40
Duration                                 : 1h 3mn
Bit rate mode                            : Variable
Bit rate                                 : 128 Kbps
Maximum bit rate                         : 145 Kbps
Channel(s)                               : 2 channels
Channel positions                        : Front: L R
Sampling rate                            : 48.0 KHz
Compression mode                         : Lossy
Stream size                              : 58.3 MiB (9%)
Encoded date                             : UTC 2011-07-27 06:05:59
Tagged date                              : UTC 2011-07-27 06:05:59
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