VLC takes over 5 minutes to load MKV files

[aaronaaa]

Hello,

So VLC is taking unbearably long to load MKV files. Unfortunately, I am not quite sure when this started. I had this problem ages ago (on a different computer), and following tips on threads such as
https://forum.videolan.org/viewtopic.php?f=12&t=64302
https://forum.videolan.org/viewtopic.php?f=12&t=64273
fixed the problem, but the suggestions that fixed the problem, are no longer working. Commands such as:
sudo chmod a+w /usr/X11/bin/font_cache
sudo chmod -R a+w /usr/X11/bin/font_cache
are not working.

Any suggestion on how to fix this? (I am running the latest build of VLC and the latest Mac OS X 10.9.2)

Thanks!

[fkuehne]

What's your VLC version?

[aaronaaa]

VLC 2.1.4

[TypX]

How many MKV do you have in that directory?

[aaronaaa]

Normally quite a few, but if this is referring to the VLC option, "preload mkv files in the same directory", I have already disabled that option.

[TypX]

Can you share the verbose logs? The MKV opening process hasn't changed since at least a year.

[aaronaaa]

How would I go about doing this?

[fkuehne]

Go to Window -> Messages before starting playback, save the log to a file and post a link to here

[aaronaaa]

Ah, I see. Alright, so here is the log from opening the file until it starts running:

Code: Select all

mkv debug: | - unknown seekhead reference at 1884713360 mkv debug: | - unknown seekhead reference at 1885645511 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1886497026 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1887386543 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1888508769 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1889407398 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1889907534 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1890875991 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1892166861 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1893316095 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1894394648 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1895256402 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1895626509 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1897098309 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1897527564 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1897970123 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1898985858 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1899401927 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1900569312 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1900770360 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1900960910 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1901144434 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1901325487 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1902082595 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1902456608 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1902837201 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1903603903 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1904267820 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1904980387 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1905797315 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1906569511 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1907804515 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1908693587 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1909557714 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1910476791 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1911667512 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1913202611 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1914758277 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1916259198 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1917688478 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1918266830 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1919725995 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1921251981 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1922087002 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1922786817 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1923961657 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1925289921 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1926799186 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1927684064 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1928330523 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1928740175 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1929441717 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1929952694 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1930543261 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1931316101 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1932085520 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1932722819 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1933551234 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1934634775 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1935628351 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1936173510 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1936921493 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1937389768 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1937906797 mkv debug: | | + Seek mkv debug: | - unknown 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debug: | - unknown seekhead reference at 1945276533 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1946592898 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1947160433 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1947746490 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1948827469 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1949243994 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1949825666 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1950270087 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1951267622 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1952227076 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1953288137 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1954719562 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 1956239352 mkv debug: | 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| + Seek mkv debug: | - unknown seekhead reference at 2061164896 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 2061330543 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 2061506720 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 2061809148 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 2061973882 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 2062137542 mkv debug: | | + Seek mkv debug: | - unknown seekhead reference at 2062301202 mkv debug: | | + Seek mkv warning: MKV/Ebml Parser: m_el[mi_level] == NULL mkv warning: MKV/Ebml Parser: Up cannot escape itself mkv debug: | - unknown seekhead reference at 2062465428 mkv debug: | | + Seek mkv debug: | - cues at 2062577294 mkv debug: | + Cues mkv debug: | - loading cues done. mkv debug: | | + Seek mkv debug: | | + Unknown (N7libebml8EbmlVoidE) mkv debug: | - attachments at 7176 mkv debug: | + Attachments mkv debug: | | - BOOKOS.TTF (application/x-truetype-font) mkv debug: | | - COOPBL.TTF (application/x-truetype-font) mkv debug: | | - FRGROT.TTF (application/x-truetype-font) mkv debug: | | - Marlbow.ttf (application/x-truetype-font) mkv debug: | | - Sadness.ttf (application/x-truetype-font) mkv debug: | + Void mkv debug: | + Information mkv debug: | + Tracks mkv debug: | + Void mkv debug: | + Attachments mkv debug: | + Cluster mkv debug: found 3 es main debug: selecting program id=0 main debug: Buffering -2147483648% mkv debug: Starting the UI Hook main debug: using demux module "mkv" main debug: looking for a subtitle file in /Users/aaron/Desktop/ main debug: looking for decoder module matching "any": 38 candidates avcodec debug: trying to use direct rendering avcodec debug: allowing 4 thread(s) for decoding avcodec debug: avcodec codec (H264 - MPEG-4 AVC (part 10)) started avcodec debug: using frame thread mode with 4 threads main debug: using decoder module "avcodec" main debug: looking for decoder module matching "any": 38 candidates main debug: using decoder module "a52" main debug: looking for decoder module matching "any": 38 candidates libass debug: adding embedded font BOOKOS.TTF libass debug: adding embedded font COOPBL.TTF libass debug: adding embedded font FRGROT.TTF libass debug: adding embedded font Marlbow.ttf libass debug: adding embedded font Sadness.ttf main debug: VLC media player - 2.1.4 Rincewind main debug: Copyright © 1996-2014 the VideoLAN team main debug: revision 2.1.4-0-g2a072be main debug: configured with ../extras/package/macosx/../../../configure '--prefix=/Users/fkuehne/Desktop/videolan/gits/vlc-2.1/release/vlc_install_dir' '--enable-macosx' '--enable-merge-ffmpeg' '--enable-growl' '--enable-faad' '--enable-flac' '--enable-theora' '--enable-shout' '--enable-ncurses' '--enable-twolame' '--enable-realrtsp' '--enable-libass' '--enable-macosx-audio' '--enable-macosx-eyetv' '--enable-macosx-qtkit' '--enable-macosx-vout' '--disable-caca' '--disable-skins2' '--disable-xcb' '--disable-sdl' '--disable-samplerate' '--disable-macosx-dialog-provider' '--with-macosx-sdk=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.7.sdk' '--build=x86_64-apple-darwin10' '--with-macosx-version-min=10.6' 'build_alias=x86_64-apple-darwin10' 'CC=xcrun clang' 'CXX=xcrun clang++' 'OBJC=xcrun clang' main debug: using decoder module "libass" main debug: looking for meta reader module matching "any": 2 candidates lua debug: Trying Lua scripts in /Users/aaron/Library/Application Support/org.videolan.vlc/lua/meta/reader lua debug: Trying Lua scripts in /Applications/VLC.app/Contents/MacOS/share/lua/meta/reader lua debug: Trying Lua playlist script /Applications/VLC.app/Contents/MacOS/share/lua/meta/reader/filename.luac lua debug: Trying Lua scripts in /Applications/VLC.app/Contents/MacOS/share/share/lua/meta/reader main debug: no meta reader modules matched main debug: `file:///Users/aaron/Desktop/test.mkv' successfully opened a52 debug: A/52 channels:6 samplerate:48000 bitrate:640000 main debug: reusing audio output main debug: VLC is looking for: 'a52 ' 48000 Hz 3F2R/LFE frame=1536 samples/2560 bytes auhal debug: attempting to use device 0 main debug: Buffering 0% main debug: looking for text renderer module matching "tdummy": 3 candidates main debug: Buffering 48% main debug: Buffering 79% main debug: using text renderer module "tdummy" main debug: looking for video filter2 module matching "any": 54 candidates main debug: Stream buffering done (1125 ms in 119302 ms) auhal debug: using default audio device 47 auhal debug: found 4 stream formats for stream id 48 auhal debug: Audio device supports PCM mode only swscale debug: 32x32 chroma: YUVA -> 16x16 chroma: RGBA with scaling using Bicubic (good quality) main debug: using video filter2 module "swscale" main debug: looking for video filter2 module matching "any": 54 candidates yuvp debug: YUVP to YUVA converter main debug: using video filter2 module "yuvp" main debug: Deinterlacing available main debug: deinterlace 0, mode blend, is_needed 0 main debug: Opening vout display wrapper main debug: looking for vout display module matching "any": 5 candidates main debug: looking for vout window nsobject module matching "any": 1 candidates auhal debug: current format is: [44100.000000][mcpl][9][8][1][8][2][32] auhal debug: layout of AUHAL has 2 channels auhal debug: selected 2 physical channels for device output auhal debug: VLC will output: Stereo auhal debug: we set the AU format: [48000.000000][mcpl][9][8][1][8][2][32] auhal debug: the actual set AU format is [48000.000000][mcpl][9][8][1][8][2][32] auhal debug: analog output successfully opened main debug: output 'f32l' 48000 Hz Stereo frame=1 samples/8 bytes main debug: looking for audio volume module matching "any": 2 candidates main debug: using audio volume module "float_mixer" main debug: input 'a52 ' 48000 Hz 3F2R/LFE frame=1536 samples/2560 bytes main debug: looking for audio filter module matching "scaletempo": 14 candidates scaletempo debug: format: 48000 rate, 6 nch, 4 bps, fl32 scaletempo debug: params: 30 stride, 0.200 overlap, 14 search scaletempo debug: 1.000 scale, 1440.000 stride_in, 1440 stride_out, 1152 standing, 288 overlap, 672 search, 2400 queue, fl32 mode main debug: using audio filter module "scaletempo" main debug: conversion: 'a52 '->'f32l' 48000 Hz->48000 Hz 3F2R/LFE->3F2R/LFE main debug: looking for audio converter module matching "any": 11 candidates main debug: no audio converter modules matched main debug: looking for audio converter module matching "any": 11 candidates main debug: using audio converter module "a52tofloat32" main debug: conversion pipeline complete main debug: conversion: 'f32l'->'f32l' 48000 Hz->48000 Hz 3F2R/LFE->Stereo main debug: looking for audio converter module matching "any": 11 candidates main debug: using audio converter module "simple_channel_mixer" main debug: conversion pipeline complete main debug: looking for audio resampler module matching "any": 2 candidates main debug: using audio resampler module "ugly_resampler" main debug: End of audio preroll macosx debug: prevented sleep through IOKit (3456) macosx debug: returning videoview with proposed position x=0, y=0, width=1280, height=720 main debug: using vout window nsobject module "macosx" macosx debug: toggle playlist from state: removed splitview 0, minimized view 0. Sender is 0x0, unhide video view 0 macosx debug: toggle playlist to state: removed splitview 0, minimized view 0 macosx debug: releasing old sleep blocker (3456) macosx debug: prevented sleep through IOKit (3458) main debug: VoutDisplayEvent 'resize' 1280x720 window main debug: using vout display module "vout_macosx" main debug: VoutDisplayEvent 'resize' 791x796 window main debug: original format sz 1280x720, of (0,0), vsz 1280x720, 4cc I420, sar 1:1, msk r0x0 g0x0 b0x0 main debug: removing module "tdummy" main debug: looking for text renderer module matching "tdummy": 3 candidates main debug: using text renderer module "tdummy" avcodec debug: using direct rendering main debug: VoutDisplayEvent 'resize' 791x796 window main debug: End of video preroll main debug: Received first picture main debug: VoutDisplayEvent 'resize' 791x796 window main debug: VoutDisplayEvent 'resize' 915x777 window main debug: VoutDisplayEvent 'resize' 915x777 window main debug: Decoder buffering done in 178 ms main debug: VoutDisplayEvent 'resize' 915x777 window main debug: VoutDisplayEvent 'resize' 915x777 window main debug: VoutDisplayEvent 'resize' 965x770 window main debug: VoutDisplayEvent 'resize' 965x770 window main debug: VoutDisplayEvent 'resize' 965x770 window main debug: VoutDisplayEvent 'resize' 1038x758 window main debug: VoutDisplayEvent 'resize' 1038x758 window main debug: VoutDisplayEvent 'resize' 1038x758 window main debug: VoutDisplayEvent 'resize' 1087x751 window main debug: VoutDisplayEvent 'resize' 1087x751 window main debug: VoutDisplayEvent 'resize' 1087x751 window main debug: VoutDisplayEvent 'resize' 1135x743 window main debug: VoutDisplayEvent 'resize' 1135x743 window main debug: VoutDisplayEvent 'resize' 1135x743 window main debug: VoutDisplayEvent 'resize' 1184x735 window main debug: VoutDisplayEvent 'resize' 1184x735 window main debug: VoutDisplayEvent 'resize' 1184x735 window main debug: VoutDisplayEvent 'resize' 1233x728 window main debug: VoutDisplayEvent 'resize' 1233x728 window main debug: VoutDisplayEvent 'resize' 1233x728 window main debug: VoutDisplayEvent 'resize' 1280x720 window main debug: VoutDisplayEvent 'resize' 1280x720 window

[TypX]

Hi, these logs are incomplete you have to open the log window before starting the playback.

[fkuehne]

Hey, in order to get a full log, please do the following:

Go to Applications / Utilities and open "Terminal.app". Drop the VLC app in the resulting text window. Type " -vvvv" (with the space but without the quotes). Hit return. VLC will open as always. Try to play the file. Quit VLC. Copy and paste the full output of the text window.

Alternatively, please share the file privately with us on: http://streams.videolan.org/upload/

Thanks!

[aaronaaa]

Thanks for the suggestion Felix; however, wouldn't you have to run "/Applications/VLC.app/Contents/MacOS/VLC" to run VLC on the command line? Dropping the file into terminal would just paste in the directory onto the command line.

Anyhow, this is quite odd. The problem seems to have disappeared. I ran:
"/Applications/VLC.app/Contents/MacOS/VLC -vvvv /Users/aaron/Desktop/test.mkv"
And, to my surprise, the mkv opened immediately. I tried 4 other mkvs, all of which had been troubling me, and they all opened immediately. I don't believe -vvvv flag could have possibly fixed the problem, so I am at quite a loss as to what happened (but I'm not complained, fixed is fixed).

Thank you all so much for the help. I just hope this problem doesn't return.

[fkuehne]

This is über-weird to hear since "-vvvv" just turns on all debug messages, that's it