Support AC3 Passthrough Audio

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What steps will reproduce the problem?
1. Try to cast an MKV with AC3 audio

What is the expected output? What do you see instead?
expected: I can hear the audio
actual: No audio is output

What version of the product are you using? On what operating system?
The latest; Linux

Please provide any additional information below.

The Chromecast has the support for AC3 passthrough, the Netflix app clearly 
takes advantage of it, but the Chrome process running on the Chromecast seems 
incapable of doing so.

A "bug" in my mind, but since it's not listed on the Supported Codecs, I'm 
assuming this is an Enhancements.

Thanks for considering.

Original issue reported on code.google.com by cole.mickens on 7 Mar 2014 at 11:54

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I would also love an update to add AC3 and DTS passthrough. It's really 
frustating, as most of my media uses those codecs.

Original comment by conde.ak...@gmail.com on 4 Jun 2014 at 8:49

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I bought my chromecast to stream mkv videos over my network. But most of them 
have AC3 or DTS audio too...
I think about returning my chromecast... Please google! Add AC3/DTS support.

Original comment by oneill3...@googlemail.com on 7 Jun 2014 at 9:19

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Please add support for AC3 and DTS. Device has severely limited usability with 
current set of codecs.
You are crippling an awesome concept by not going the extra mile.

Original comment by Kristian...@gmail.com on 7 Jun 2014 at 10:11

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Please add support for AC3 and DTS passthrough.

Original comment by gregt.m...@gmail.com on 9 Jun 2014 at 7:55

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Yer I'm all for Passthrough, avoids a bunch of transcoding for no reason.

Original comment by clay...@parkingdenied.com on 9 Jun 2014 at 11:32

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It's just ridiculous that I have to resort to Dolby Pro Logic on my old but 
still very fine Proceed AVP. A €35 device bringing down my 15000 DM preamp? A 
€35 all-digital device needs to use *analog* surround?!?

This is a joke. A particularly bad one.

Original comment by ovyzy...@TrashMail.me on 10 Jun 2014 at 12:50

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Please add support for AC3 and DTS. I just bought one for myself, and The Old 
Man for Father's Day. The Old man needs his 5.1, The Old Man doesn't convert.

Original comment by Marc.S.D...@gmail.com on 16 Jun 2014 at 10:07

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Same reaction.  This is so obviously needed that I assumed the device could do 
it. I have two of these and they're almost worthless to me.  What a sham(e).

Original comment by robross0...@gmail.com on 17 Jun 2014 at 2:13

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Is somebody of Google at least listening? #DD, #DTS

Original comment by herre.zw...@gmail.com on 17 Jun 2014 at 10:56

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They're listening alright, but it's not in AC3...

Original comment by amic...@gmail.com on 17 Jun 2014 at 11:05

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Yeah, I bought this device a couple of days ago because I thought I'd be able 
to watch all of my videos... Looks like I'll be returning this real soon and 
going back to an HDMI cord that lays around on the ground. 

I think I'll pass buying the next "latest and greatest" product if it turns out 
that you guys leave (basic) features off to push more expensive products...

Original comment by cjture...@gmail.com on 20 Jun 2014 at 9:05

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AC3 passthrough seems pretty fundamental for any media device. What a joke 
indeed!

Original comment by bertilma...@gmail.com on 22 Jun 2014 at 4:15

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Nothing more depressing than a "Won't Fix". Serious case of being too big to 
care what your customers think.

Original comment by GaryWal...@gmail.com on 24 Jun 2014 at 7:48

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Put me in for requesting AC3 and DTS support. This device is practically 
useless without those streams being passed through. I still have yet to find a 
purpose for this thing without it!

Original comment by skipmeis...@gmail.com on 24 Jun 2014 at 11:19

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I don't understand why a simple audio passthrough can't be implemented on the 
device.

Original comment by ander...@supriano.com on 25 Jun 2014 at 6:14

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This is beyond ridiculous,  almost as ridiculous as Hindu and Korean language 
support requirements on stock Android. Incredibly disapointed in Google about 
this,  from a Nexus One/S/GPE S4 google enthusiast. 

Original comment by orm...@gmail.com on 26 Jun 2014 at 12:37

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Jummm so Google will not Fix this, so sad, CC could be a good htpc, now just 
will be a netflix and youtube streamer, no more than that. 

Original comment by wtama...@gmail.com on 27 Jun 2014 at 4:13

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Bought chromecast less than an hour ago, Im now on the way back to bestbuy to 
return it because of no AC3 support.

Original comment by cladds1...@gmail.com on 27 Jun 2014 at 11:52

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Returning my CC because of this 

Original comment by michael....@gmail.com on 5 Jul 2014 at 7:11

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This is pretty dumb that they don't support these audio streams.  I'm 
disappointed and this makes the Chromecast way less useful than I thought it 
would be.

Original comment by adam.lee...@gmail.com on 5 Jul 2014 at 9:55

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Shame on you! Without AC3 Chromecast is total garbage

Original comment by arnaubel...@gmail.com on 8 Jul 2014 at 8:09

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Bubbleupnp has a server that can be installed on any device in the lan and 
transcodes the audio for everything played using the bubbleupnp app as a 
workaround. 

still this is a must have! even if I have to buy the license like on the 
raspberry pi. but make it happen! 

Original comment by josef.schneider on 11 Jul 2014 at 6:42

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please support AC3

Original comment by psarmien...@gmail.com on 14 Jul 2014 at 2:39

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Time to buy amazon fire box!

Original comment by charles....@gmail.com on 16 Jul 2014 at 9:36

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Amazon fire TV doesn't do it either... 

Original comment by michael....@gmail.com on 16 Jul 2014 at 9:53

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Without AC3 and DTS pass this is an uncompleted product, if it is a licence 
issue, who need it could buy it on Google Play, what is the problem... do it...

Original comment by wtama...@gmail.com on 16 Jul 2014 at 10:08

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@Google, please support these codecs, it's been a year, time for update

Original comment by debas...@gmail.com on 17 Jul 2014 at 1:56

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It s a shame. Google please do something

Original comment by yilmazgu...@gmail.com on 17 Jul 2014 at 2:57

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Not having DTS passthrough is ridiculous. Specially when Netflix DOES have it.

Original comment by edua...@famz.es on 17 Jul 2014 at 3:01

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I have to +1 this. Needing dts passthrough badly. Very disappointed with 
Googles (disclosure)  policy here.

Original comment by Soere...@googlemail.com on 29 Jul 2014 at 10:40

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Android TV (ADT-1) doesn't have passthrough neither, in it's current build 
(LPV79). If Google is serious about seeing Android TV succeed they need to 
support passthrough. Those of us with big screen tv's and surround sound setups 
don't want anything less.

Original comment by Lou.Four...@gmail.com on 29 Jul 2014 at 10:59

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Issue 310 has been merged into this issue.

Original comment by anad...@google.com on 1 Aug 2014 at 10:39

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Need ac3 please 

Original comment by yilmazgu...@gmail.com on 8 Aug 2014 at 7:21

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Me too. I don't understand the politics behind the missing support, but it sure 
would be awesome if Chromecast supported ac3! Thanks for listening. You 
googlers are awesome.

Original comment by traviswa...@gmail.com on 10 Aug 2014 at 12:22

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At least AC3, anyway passtrought AC3 and DTS it's cost free license for google.

Thnk you

Original comment by jdgszo...@gmail.com on 14 Aug 2014 at 7:45

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As this issue is marked as "WontFix", I decided to bulk-convert all my videos 
via shell script. I've shared it on GitHub, if anyone interested (Linux/Mac 
only): https://github.com/bc-petrkotek/chromecastize

There are also some programs with GUI, but I haven't really tried any.

Original comment by kot...@gmail.com on 14 Aug 2014 at 8:03

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WontFix makes me sad. Please reconsider AC3 and DTS passthrough.

Original comment by ddlhendr...@gmail.com on 20 Aug 2014 at 2:40

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Without AC3 and DTS passthrough, that are supported on my tv, chrome cast is 
totally useless!!! the worst 35€ i ever spent. please support such feature

Original comment by marzio.p...@gmail.com on 21 Aug 2014 at 8:23

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Please add support for AC3 and DTS

Original comment by devendar...@gmail.com on 22 Aug 2014 at 2:11

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dts and ac3 support please, the last piece to complete the chromecast

Original comment by simonmil...@googlemail.com on 22 Aug 2014 at 5:51

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wow, just WOW! Just got my Amazon Fire today, same exact thing! Unacceptable. 
Sending back right freaking now! If I had seen they at least planned on adding 
support, I would have patiently waited, but being on the "no fix" list. F-OFF 
Amazon. Never again will I even look your direction and will make it a mission 
to steer everyone away from this ridiculous product(s). Goodbye and good 
riddance.

Original comment by shpan...@gmail.com on 22 Aug 2014 at 7:06

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Agree with the above posters. This is a serious limitation that I wasn't aware 
of before buying the Chromecast. Given I'd bought this partly to enable easy 
playback of videos from our phones or tablets to a TV while on holiday (to give 
the kids something ok to watch), and most of my own encodes are with AC3 
soundtracks, this really does stuff things up. Don't believe I should need to 
re-encode my videos given this surely isn't a significant change for Google 
(but a huge issue for many users).

Original comment by jonathan...@gmail.com on 23 Aug 2014 at 7:25

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Hopefully Android TV will have AC3 and DTS support.  Along with 5 Ghz network.  
I would gladly fork over $100, just for those features. 

Original comment by swetalka...@gmail.com on 24 Aug 2014 at 5:13

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It is really bad tha Chromecast not support AC3 and DTS :(

Original comment by em...@jiri-mrazek.cz on 24 Aug 2014 at 10:22

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It is really a pity that CC is not able (or is not allowed to or whatever) to 
encode AC3 and DTS streams.

Original comment by tha.ha...@gmail.com on 24 Aug 2014 at 6:25

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Wouldn't have bought the CC if I knew about this!
Fix it!

Original comment by hyn...@gmail.com on 25 Aug 2014 at 8:21

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Support DTS

Original comment by ragnaroc...@gmail.com on 26 Aug 2014 at 12:19

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 update support AC3 and DTS?

Original comment by giang...@gmail.com on 26 Aug 2014 at 12:27

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Yeah, I'm disappointed as well. Just got my Chromecast and few minutes later, 
here I am. The fact that AC3 and DTS won't work is unacceptable!

Original comment by kuba...@gmail.com on 27 Aug 2014 at 6:13