Your message dated Sun, 10 May 2015 18:46:26 +0200 with message-id <20150510164626.ga20...@ramacher.at> and subject line Re: Bug#734100: vlc: Video stuttering with ALSA output has caused the Debian Bug report #734100, regarding vlc: Video stuttering with ALSA output to be marked as done.
This means that you claim that the problem has been dealt with. If this is not the case it is now your responsibility to reopen the Bug report if necessary, and/or fix the problem forthwith. (NB: If you are a system administrator and have no idea what this message is talking about, this may indicate a serious mail system misconfiguration somewhere. Please contact ow...@bugs.debian.org immediately.) -- 734100: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=734100 Debian Bug Tracking System Contact ow...@bugs.debian.org with problems
--- Begin Message ---Package: vlc Version: 2.1.2-2 Severity: important Hi! Starting somewhere around VLC 2.x, I experience "video stuttering" problems on many files, mostly >= 720P, MKV/H.264+AC3 (almost all such files), but not only them - for example I also experience it on some MPEG2 720x576 files (mpeg container, mpeg2 video and audio codecs). HW acceleration is disabled, the problem always reproduces at least on 2 different Debian machines (laptop and PC, both 32-bit and both with snd-hda-intel kernel module), and on both debian-multimedia and normal VLC/libav* packages. The same files play without problem in mplayer/mplayer2/mpv. vlc -vvv output shows many "ES_OUT_SET_(GROUP_)PCR is called too late" errors; on each error the video playback temporarily stops ("stutters"). ... [0x87a0a30] main audio output warning: playback way too early (-563272): playing silence [0x87a0a30] main audio output debug: inserting 27037 zeroes [0xf4c11150] main input error: ES_OUT_SET_(GROUP_)PCR is called too late (pts_delay increased to 300 ms) [0xf4c11150] main input error: ES_OUT_RESET_PCR called [0xf4c11150] main input debug: Buffering 0% ... [0xf0c45bc0] main decoder debug: End of audio preroll ... [0xf4c11150] main input debug: Stream buffering done (334 ms in 3 ms) [0xf4c11150] main input debug: Decoder buffering done in 0 ms [0x87a0a30] main audio output debug: inserting 9553 zeroes [0xebc00c58] main vout display debug: auto hiding mouse cursor [0xf0c36aa8] main decoder debug: End of video preroll [0xf4c11150] main input error: ES_OUT_SET_(GROUP_)PCR is called too late (pts_delay increased to 320 ms) [0xf4c11150] main input error: ES_OUT_RESET_PCR called ... The key point is, first I've thought it's some video decoder problem, but I was wrong! I've tried different setups and discovered that the problem is in _direct_ ALSA sound output - i.e. it works all good with PulseAudio! (direct PA; didn't check alsa piped to PA). Also it works with sound disabled or if the "discard all samples" audio device is selected (so it's not an audio decoder problem). I don't want to have PulseAudio installed, just because for me it's just a useless wrapper for ALSA (everything always worked fine without it) and because I don't like Lennart's creations. :-) In any case I think it's a bug if ALSA output doesn't work in VLC... Is it a known problem? Do you have any ideas of fixing it? I've found many "stuttering" problems in VLC bug database, but it seems nobody tried to check for audio output problems... -- System Information: Debian Release: jessie/sid APT prefers unstable APT policy: (500, 'unstable'), (1, 'experimental') Architecture: i386 (x86_64) Foreign Architectures: amd64 Kernel: Linux 3.12-trunk-amd64 (SMP w/8 CPU cores) Locale: LANG=ru_RU.UTF-8, LC_CTYPE=ru_RU.UTF-8 (charmap=UTF-8) (ignored: LC_ALL set to ru_RU.UTF-8) Shell: /bin/sh linked to /bin/bash Versions of packages vlc depends on: ii dpkg 1.17.1 ii fonts-freefont-ttf 20120503-1 ii libaa1 1.4p5-41 ii libavcodec54 10:1.2.4-dmo2 ii libavutil52 10:2.1.1-dmo2 ii libc6 2.17-97 ii libcaca0 0.99.beta18-1 ii libfreetype6 2.4.9-1.1 ii libfribidi0 0.19.5-2 ii libgcc1 1:4.8.2-8 ii libgl1-mesa-glx [libgl1] 10.1~git1312192008.22bf0f~gd~s ii libice6 2:1.0.8-2 ii libqtcore4 4:4.8.5+git121-g2a9ea11+dfsg-1 ii libqtgui4 4:4.8.5+git121-g2a9ea11+dfsg-1 ii libsdl-image1.2 1.2.12-5 ii libsdl1.2debian 1.2.15-7 ii libsm6 2:1.2.1-2 ii libstdc++6 4.8.2-8 ii libtar0 1.2.19-1 ii libva-x11-1 1.2.1-2 ii libva1 1.2.1-2 ii libvlccore7 1:2.1.2-dmo1 ii libx11-6 2:1.6.2-1 ii libxcb-composite0 1.9.1-3 ii libxcb-keysyms1 0.3.9-1 ii libxcb-randr0 1.9.1-3 ii libxcb-render0 1.9.1-3 ii libxcb-shape0 1.9.1-3 ii libxcb-shm0 1.9.1-3 ii libxcb-xfixes0 1.9.1-3 ii libxcb-xv0 1.9.1-3 ii libxcb1 1.9.1-3 ii libxext6 2:1.3.2-1 ii libxinerama1 2:1.1.3-1 ii libxpm4 1:3.5.10-1 ii vlc-nox 2.1.2-2 ii zlib1g 1:1.2.8.dfsg-1 Versions of packages vlc recommends: pn vlc-plugin-notify <none> pn vlc-plugin-pulse <none> ii xdg-utils 1.1.0~rc1+git20111210-7 Versions of packages vlc suggests: pn videolan-doc <none> -- no debconf information
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--- Begin Message ---Version: 2.2.1-1 On 2014-01-03 23:52:48, Vitaliy Filippov wrote: > Package: vlc > Version: 2.1.2-2 > Severity: important > > Hi! > > Starting somewhere around VLC 2.x, I experience "video stuttering" problems on > many files, mostly >= 720P, MKV/H.264+AC3 (almost all such files), but not > only them - for example I also experience it on some MPEG2 720x576 files (mpeg > container, mpeg2 video and audio codecs). HW acceleration is disabled, the > problem always reproduces at least on 2 different Debian machines (laptop and > PC, both 32-bit and both with snd-hda-intel kernel module), and on both > debian-multimedia and normal VLC/libav* packages. The same files play without > problem in mplayer/mplayer2/mpv. > > vlc -vvv output shows many "ES_OUT_SET_(GROUP_)PCR is called too late" > errors; on each error the video playback temporarily stops ("stutters"). > > ... [0x87a0a30] main audio output warning: playback way too early (-563272): > playing silence [0x87a0a30] main audio output debug: inserting 27037 zeroes > [0xf4c11150] main input error: ES_OUT_SET_(GROUP_)PCR is called too late > (pts_delay increased to 300 ms) [0xf4c11150] main input error: > ES_OUT_RESET_PCR called [0xf4c11150] main input debug: Buffering 0% ... > [0xf0c45bc0] main decoder debug: End of audio preroll ... [0xf4c11150] main > input debug: Stream buffering done (334 ms in 3 ms) [0xf4c11150] main input > debug: Decoder buffering done in 0 ms [0x87a0a30] main audio output debug: > inserting 9553 zeroes [0xebc00c58] main vout display debug: auto hiding mouse > cursor [0xf0c36aa8] main decoder debug: End of video preroll [0xf4c11150] main > input error: ES_OUT_SET_(GROUP_)PCR is called too late (pts_delay increased > to 320 ms) [0xf4c11150] main input error: ES_OUT_RESET_PCR called ... > > The key point is, first I've thought it's some video decoder problem, but I > was wrong! > > I've tried different setups and discovered that the problem is in _direct_ > ALSA sound output - i.e. it works all good with PulseAudio! (direct PA; didn't > check alsa piped to PA). Also it works with sound disabled or if the "discard > all samples" audio device is selected (so it's not an audio decoder problem). > > I don't want to have PulseAudio installed, just because for me it's just a > useless wrapper for ALSA (everything always worked fine without it) and > because I don't like Lennart's creations. :-) > > In any case I think it's a bug if ALSA output doesn't work in VLC... > > Is it a known problem? Do you have any ideas of fixing it? I've found many > "stuttering" problems in VLC bug database, but it seems nobody tried to check > for audio output problems... This has been fixed by upstream commit 24b6aefceeaab8faa20a8231e3589971bb0b1440. The fix is included in 2.2.1. Cheers -- Sebastian Ramacher
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