["solved"] debian wheezy new install: mp4 problems

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Re: debian wheezy new install: mp4 problems

Postby agrimstad » 2012-06-29 11:36

Some progress!

The audio hiss problem with VLC seems to be some kind of initial condition of the app bug. I went into Audio->Audio Channels. "Stereo" was selected. I changed it to "Left." No hiss. I changed it to "Right." No hiss. I changed it back to "Stereo." NO HISS. I quite the app and restarted it. No hiss.

The above is not really correct. The hiss eventually returned. I have found a solution to this problem however. In VLC's Tools->Preferences->Audio change the "Output module" from "Default" to "ALSA audio output." Then, in the new option that appears after this change select the appropriate option for your sound card. I selected "SB Live! 5.1 [SBO220], ADC Capture/Standard PCM Playback Default Audio Device."

Save the change. Restart VLC and check the audio preferences to verify the change just made. Henceforth the audio should be good.

Totem is still FUBAR for some mp4 files though.
Last edited by agrimstad on 2012-07-07 12:53, edited 1 time in total.
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Re: debian wheezy new install: mp4 problems

Postby agrimstad » 2012-06-29 13:17

More progress. It seems that 64-bit wheezy totem will play SOME mp4 files.

The mp4 files that I can't play were created by ffmpeg (from youtube videos). mplayer2 and VLC can play these mp4 files. I recreated one such file with the wheezy version of ffmpeg and the problem persists. This is looking like some form of limitation (bug from my perspective) in the gstreamer mp4 decoder rather than a totem bug.
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Re: debian wheezy new install: mp4 problems (now: totem only

Postby agrimstad » 2012-06-29 14:52

I used mplayer on two files that I thought were mp4, just to verify that they really are mp4. The first doesn't play with totem + gstreamer0.10-plugins-good, the second does:

Detected file format: QuickTime/MPEG-4/Motion JPEG 2000 format (libavformat)
Detected file format: QuickTime/MPEG-4/Motion JPEG 2000 format (libavformat)

And to reiterate, VLC and mplayer2 have no problem with either mp4 file.

I think this probably awaits work on gstreamer0.10-plugins-good and I should probably close this thread. I'll wait a day.
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Re: debian wheezy new install: mp4 problems (now: totem only

Postby stevepusser » 2012-06-29 15:25

MJPEG files are huge compared to modern codecs, anyway. See if you can get ffmpeg to use something like the libxvid4 library instead.
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Re: debian wheezy new install: mp4 problems (now: totem only

Postby agrimstad » 2012-06-29 15:43

The thing is, it's the small mp4 file that gstreamer can't handle, i.e.

-rw-r--r-- 1 alg alg 6436178 May 31 07:58 Amarraditos.mp4

versus

-rw-r--r-- 1 alg alg 766256433 Jun 3 12:24 The Power Principle.mp4

which it can. -- al
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Re: ["solved"] debian wheezy new install: mp4 problems

Postby agrimstad » 2012-07-01 11:28

First, thanks to those that responded to my request for help. I learned about apt-cache policy and mplayer2.

I thought my inability to play mp4s on a new wheezy installation might be related to missing libraries. That wasn't the case. In general, wheezy for me handles mp4s OK. But there are problems that I didn't have under squeeze. I consider these to be regressions.

I'm not sure, but I think the issue related to just some mp4 files. I use iceweasel and the add-on DownloadHelper to download certain youtube video files. I had no problem with this in squeeze.

Here are two examples:
(1) http://www.youtube.com/watch?v=qcxX1-7efNg
(2) http://www.youtube.com/watch?v=jLIFVx9KOUM

One of the options of DownloadHelper is just to download (without conversions, etc.). In the case of these two videos, this results in downloading mp4 files.

In squeeze totem and vlc handled these mp4s without any problems, (The quality of the videos is not high, but debian didn't diminish the quality as far as I know.)

File (1) can't be handled by totem. Totem's properties frame for the file lists the video dimensions as 0x0. VLC handles the file, but I've had somewhat random hiss problems. Fiddling with Audio->Audio Channels sometimes makes the hiss go away. Mplayer2 (smplayer2) seems to be the gold standard here. It just works.

All three apps handle file (2) fine.

So, this isn't a matter for help to the user of the forum. It seems to have to do with problems with a couple of the apps. I have submitted a bug on gstreamer0.10-plugins-good. -- al
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Re: debian wheezy new install: mp4 problems

Postby Bulkley » 2012-07-01 23:50

craigevil wrote:gstreamer0.10-plugins-really-bad


I finally found time to try gstreamer0.10-plugins-really-bad. I really thought you had the answer but it didn't change a thing. Thanks for the suggestion.
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Re: ["solved"] debian wheezy new install: mp4 problems

Postby agrimstad » 2012-07-06 11:58

I had a bit of time and thought I'd try to use Debian Wheezy to "fix" my troublesome mp4 files. I tried two video editors on this job, pitivi and openshot. Pitivi, which depends on gstreamer, could not import the file. Openshot had no problem and I used it to produce wav and mp4 files that play fine in the gstreamer world (totem, etc.) Even nautilus seems to depend on gstreamer and so hangs when I attempt to get the properties of the troublesome mp4 files. Once openshot has fixed up whatever problem there was, nautilus works too.

It's pretty clear to me that there's something wrong in gstreamer.
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Re: ["solved"] debian wheezy new install: mp4 problems

Postby joaomanoel7 » 2013-11-20 17:44

I also had this problem and solved with:

sudo ln -s /usr/lib/x86_64-linux-gnu/gstreamer-0.10/libgstisomp4.so /usr/lib/x86_64-linux-gnu/gstreamer-0.10/libgstqtdemux.so

(execute above command in terminal)
---
thanks for user "Wulf Solter (illektr1k)"
reference: https://bugs.archlinux.org/task/24381
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Re: ["solved"] debian wheezy new install: mp4 problems

Postby neodeb » 2016-05-30 23:37

Thank you; however that did not work for me.
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Re: ["solved"] debian wheezy new install: mp4 problems

Postby sunrat » 2016-05-31 03:48

neodeb wrote:Thank you; however that did not work for me.

Please start a new thread for your problem. This one is 4 years old so many of the problems and solutions will be different.
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Re: ["solved"] debian wheezy new install: mp4 problems

Postby GarryRicketson » 2016-05-31 11:51

When you start the new thread, give some details about what exactly
----- did not work for me.

But use code boxes, for any code or output, also, include the version
of Debian you are using.
"What we expect you have already Done"

Before doing anything, read the Debian documentation:
Debian Documentation
How to ask the smart way
Debian Foro Español
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