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Hi,
since a few weeks, I am not able to play youtube flash videos with Firefox with my laptop and my PC. I am running 64bit Arch on both systems. However, using Chromium, it works fine.
The error message is "An error occured, please try again later." for all videos, there is not one video which works.
When starting firefox from the terminal, this is the output when trying to open a flash video:
[VS] Software VDPAU backend library initialized
libva info: VA-API version 0.34.0
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/lib/dri/i965_drv_video.so
libva info: Found init function __vaDriverInit_0_34
libva info: va_openDriver() returns 0
I already tried to disable hardware acceleration within the settings window. Setting EnableLinuxHWVideoDecode and OverrideGPUValidation to 0 or 1 in /etc/adobe/mms.cfg didn't change anything neither. I also removed the file in ~/.adobe without success.
My hardware is an Intel Ivy Bridge with Intel HD4000 graphics, I also got the 32bit libs installed. My laptop's graphics card is an ATI HD4200, using radeon driver.
I really don't know what else I could try? Also, I am confused that nobody else seems to have this problem, although both of my systems with completely different hardware are affected.
Last edited by vibee (2015-01-12 03:46:42)
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Not sure if this is any help, but how does your /etc/adobe/mms.cfg looks like? You could try to enable/disable EnableLinuxHWVideoDecode=1.
Last edited by tumas (2014-03-14 08:20:12)
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Switch youtube to view HTML5 videos. You could also use VLC to stream them as a workaround.
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Someone else is having this problem, but so far that post lacks information about how exactly it was solved.
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I just added a response to the other thread: installing pulseaudio-alsa worked for me.
HTH
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Both that and adding an .asoundrc didn't fix it for me.
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I have the same problem but only if https is used.
Do you experience this also with http?
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I found the problem: I disabled RC4 in my browser.. When re-enabling it, youtube works again... yeah for weak chiphers..
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Doesn't help here, I have even tried a new Firefox profile.
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I had a similar problem with HTML5 videos. I downgraded to xf86-video-intel to 2.99.910 from 2.99.911 and now everything works.
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Hi,
thanks for all replies. One thing I found out about non-working flash videos in firefox is that it has something to do with ALSA. I use mpd which uses an ALSA hardware device for output, meaning that the mpd stream is blocking my audio hardware when playing music. However, I need to completely restart firefox if mpd was running and blocking the flash audio stream, it does not help to just stop the mpd playback. Running chromium, stopping the mpd stream is succifient. Within firefox, it neither helps to kill the plugin-container after stopping mpd playback - somehow, firefox can not play back sound once the audio hardware was run in exclusive mode.
I removed the flash plugin and tried to use the HTML5 player. This does not work neither, it sais "the video is curently unavailible" for any youtube video.
I found the problem: I disabled RC4 in my browser.. When re-enabling it, youtube works again... yeah for weak chiphers..
I guess that this might be the cause, as I also disabled RC4. I am now using chromium for any flash video playback (installed the pepper flash package) and it works like a charm. It's a bit annoying to switch the browsers for flash or video related content, but I don't want to miss firefox at all.
I have the same problem but only if https is used.
Do you experience this also with http?
You are right, using http instead of https fixes the HTML5 playback.
Last edited by vibee (2014-04-01 09:19:37)
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i had problems with youtube and others flash video sites, installing pulseaudio-alsa worked for me too
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I found the problem: I disabled RC4 in my browser.. When re-enabling it, youtube works again... yeah for weak chiphers..
Kind of late, but for posterity's sake: I had the same problem (YouTube videos) and this was the fix. Went into "about:config" and had to set
security.ssl3.rsa_rc4_128_sha
to "true".
(Amusingly, only one of the other RC4 cipher suites was set to true, because a couple years ago I had a similar problem with the Arch Wiki.)
Last edited by B-Con (2014-06-22 07:35:09)
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