Raspberry Pi Forums

LastSilmaril

Looking through those now... #if !defined(TARGET_DARWIN_IOS) && !defined(TARGET_RASPBERRY_PI) AddBool(aocat, "audiooutput.multichannellpcm" , 348, true ); #endif So we know that the xbmc guys have consciously shut this off for RPi and I guess iOS/ATV, as well as AAC and DTS-MA/TrueHD passthrough. T...

LastSilmaril

Looking through those now... #if !defined(TARGET_DARWIN_IOS) && !defined(TARGET_RASPBERRY_PI) AddBool(aocat, "audiooutput.multichannellpcm" , 348, true ); #endif So we know that the xbmc guys have consciously shut this off for RPi and I guess iOS/ATV, as well as AAC and DTS-MA/TrueHD passthrough. Th...

LastSilmaril

https://github.com/xbianonpi/xbian/issues/172 From there it seems like someone is working on a workaround for that specific issue (dual audio output via hdmi and 3.5mm analog at once) that doesn't involve either ALSA or PulseAudio. In OMXAudio.cpp, the number of output channels is hardcoded to 2 (l...

LastSilmaril

https://github.com/huceke/omxplayer/blo ... MRemap.cpp

It looks like OMXPlayer already checks to see what the output capabilities are. I don't think it hardcodes 2.0 over there. It could be that the check isn't done properly or something, but really this is speculation.

LastSilmaril

So according to this: http://forum.stmlabs.com/showthread.php?pid=35504 right now, Multichannel PCM is not enabled (as I suspected). I'm not sure what the audio patch would entail - I would try to tackle it, even though I'd probably get a bit lost - but am also surprised more people didn't ask for o...

LastSilmaril

Downloaded xbian alpha 4. Has the exact same issue (and also doesn't recognize xbox 360/mce remote codes).

LastSilmaril

Thanks for the reply, but as I say, bitstreaming (what you just described) works just fine. I want to know if on-board decoding to PCM is forced to downmix and output 2.0 or not, because whatever the speaker configuration I specify in the settings don't seem to matter - it is always downmixed. This...

LastSilmaril

In other words, I read this: There are 3 scenarios. DTS passthough: DTS 5.1 bitstream -> VCHIQ -> television ARM decode: DTS 5.1 bitstream -> ARM decode to 6 channel PCM -> VCHIQ -> audio_mixer -> television GPU decode : DTS 5.1 bitstream -> VCHIQ -> GPU decode to 6 channel PCM -> audio_mixer -> te...

LastSilmaril

In other words, I read this: There are 3 scenarios. DTS passthough: DTS 5.1 bitstream -> VCHIQ -> television ARM decode: DTS 5.1 bitstream -> ARM decode to 6 channel PCM -> VCHIQ -> audio_mixer -> television GPU decode : DTS 5.1 bitstream -> VCHIQ -> GPU decode to 6 channel PCM -> audio_mixer -> tel...

LastSilmaril

I'm sorry; I'm not sure if I understood correctly. Is downmixing to 2.0 PCM from multichannel DTS *forced* when not bitstreaming? Can't just output the original channels (5.1, 7.1, you name it) in PCM? Because this has been my experience, with a 7.1 receiver, and I'm not sure what to make of it.

LastSilmaril

Hmm...anyone else getting silence with 7.1 AAC audio in mp4? I have been using the latest xbmc builds, which this thread claims has the fixes in question.

LastSilmaril

Hey all, So it appears that OpenELEC, as of now, cannot handle 7.1 AAC files (compressed from DTS MA tracks). What I get, consistently, is silence. I'm not sure if this is something the Pi can't handle, something the XBMC can't handle, an MPEG-LA licensing issue, or an encoding issue. All references...

LastSilmaril

Is seeking (on a Samba share) working for anyone?

LastSilmaril

Just got off the phone with Farnell Export. They do have stock reserved for replacement, so they'll be shipping me a new one via UPS. No word on whether I need to send back the faulty one.

Thanks for the help everyone!

LastSilmaril

Dom definitely knows video stuff the best so hopefully he'll be able to give better answers, but one more shot in the dark from me. Have you tried completely removing the config.txt file and rebooting? edit: or completely re-imaging the SD card? Yeah, I tried without a config - that didn't help. Bu...

LastSilmaril

I realize that what I'm about to say sounds like a real "duh" statement, but I was having these issues at first until I realized that I hadn't seated my hdmi cable all the way for fear of breaking something. So are you certain your hdmi cable is fully inserted into the pi? I'm seating it the same w...

LastSilmaril

If the cable is questionable I'd try config_hdmi_boost from here: http://elinux.org/R-Pi_Troubleshooting#Interference_visible_on_a_HDMI_or_DVI_monitor Hmm, thanks dom, but that doesn't seem to have made a difference. Problem persists even when using high numbers for short cables. Tried with yet ano...

LastSilmaril

I do think the original cable is junk though; it won,t work with my laptop anymore. I guess it,s possible that all my cables are somehow faulty, but that would be odd considering that theyd seem to be working with different hardware (the exception being the cable I normally use, which is toast.)

LastSilmaril

Just tried jiggering again with a different cable. If I get it in position *just right* it'll show something, as long as I hold it down. As soon as I stop applying force, the picture goes to green and then black.
soo...anybody have experience RMAing these things?

LastSilmaril

Some more details - all I have plugged into USB is the dongle for my Lenovo Wireless keyboard remote. The card is an ADATA 8GB that I've had no trouble with. I'm using build r11318 of OpenELEC, which was working fine less than 24 hours ago.

LastSilmaril

Freaking out a bit. Video output from the Pi via HDMI is all screwy. With my regular cable, I got no video at all. Switching to a different one, I got intermittent flashes of the text (OpenELEC - nothing shines through with Arch Linux), which progressively deterioriates on each flash, followed by no...

LastSilmaril

Build 11312 doesn't load, hangs for 30 secs before complaining that /dev/mmcblk0p1 (e.g. the SYSTEM partition) cannot be read. Tried recopying SYSTEM from that build - nothing. It worked again when I went back to r11298. I'm sure we're way past this by now buildwise but just a head's up all the same.

LastSilmaril

One problem I'm having is, even though I set resolution to 1280x720 in system settings, it keeps starting up at 1280x768. While this is reflected correctly in the status, under system settings it still says 1280x720, as I had left it earlier. I need to change it to some other res and then back to 1...

LastSilmaril

Haven't bothered loading TV Shows yet so can't comment there, but I get it with about 10% of movie cover art, but never fan art (so far). Some cover art displays fine the firs time, but then shows up scrambled when displayed a second time - wondering if there is some sort of race condition/corrupti...

LastSilmaril

2) Looks like pictures no longer show up scrambled on latest build. Oh yes they do! :) LOL, I just double-checked and found that sometimes they do. The incidence is much lower though; haven't found them doing that except for the big 'wallpaper' style backgrounds for TV shows. EDIT: or not, just fou...

Search found 167 matches

Re: Hardware DTS decoding

Re: Hardware DTS decoding

Re: Hardware DTS decoding

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Re: xbmc audio problems

OpenELEC/XBMC and 7.1 AAC

Re: OpenELEC Testbuilds

Re: Is it dead, Jim?

Re: Is it dead, Jim?

Re: Is it dead, Jim?

Re: Is it dead, Jim?

Re: Is it dead, Jim?

Re: Is it dead, Jim?

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Is it dead, Jim?

Re: OpenELEC Testbuilds

Re: OpenELEC Testbuilds

Re: OpenELEC meets Raspberry Pi - part 1 (XBMC)

Re: OpenELEC meets Raspberry Pi - part 1 (XBMC)