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Support Thread for MediaCodec - Printable Version

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---- Thread: Support Thread for MediaCodec (/showthread.php?tid=175626)

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RE: Support Thread for MediaCodec - bac522 - 2014-02-14

Using the latest nightly build (as of this post xbmc-20140212-a74973f-master-armeabi-v7a.apk) when trying to play mpeg2 files recorded via Mythtv, XBMC crashes on my Minix G4 using mediacodec; it plays very slowly using libstagefright.

Playing the same file on my Nexus 7 works fine using mediacodec.

XBMC Log
http://xbmclogs.com/show.php?id=130695

And a copy of my logcat
http://xbmclogs.com/show.php?id=130699

The file I was attempting to play was "pvr://recordings/Default/25_1 (WFXT DT)/"

Running mediainfo on the file shows:

Code:
General
ID                                       : 1365 (0x555)
Complete name                            : 1251_20140125195500.mpg
Format                                   : MPEG-TS
File size                                : 6.28 GiB
Duration                                 : 1h 4mn
Overall bit rate mode                    : Variable
Overall bit rate                         : 13.9 Mbps

Video
ID                                       : 49 (0x31)
Menu ID                                  : 1 (0x1)
Format                                   : MPEG Video
Format version                           : Version 2
Format profile                           : [email protected]
Format settings, BVOP                    : Yes
Format settings, Matrix                  : Default
Format settings, GOP                     : M=3, N=15
Codec ID                                 : 2
Duration                                 : 1h 4mn
Bit rate mode                            : Variable
Bit rate                                 : 12.6 Mbps
Maximum bit rate                         : 38.8 Mbps
Width                                    : 1 280 pixels
Height                                   : 720 pixels
Display aspect ratio                     : 16:9
Active Format Description                : Letterbox 16:9 image
Frame rate                               : 59.940 fps
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : Progressive
Compression mode                         : Lossy
Bits/(Pixel*Frame)                       : 0.228
Stream size                              : 5.68 GiB (90%)

Audio #1
ID                                       : 52 (0x34)
Menu ID                                  : 1 (0x1)
Format                                   : AC-3
Format/Info                              : Audio Coding 3
Mode extension                           : CM (complete main)
Codec ID                                 : 129
Duration                                 : 1h 4mn
Bit rate mode                            : Constant
Bit rate                                 : 448 Kbps
Channel(s)                               : 6 channels
Channel positions                        : Front: L C R, Side: L R, LFE
Sampling rate                            : 48.0 KHz
Bit depth                                : 16 bits
Compression mode                         : Lossy
Delay relative to video                  : -495ms
Stream size                              : 207 MiB (3%)
Language                                 : English

Audio #2
ID                                       : 53 (0x35)
Menu ID                                  : 1 (0x1)
Format                                   : AC-3
Format/Info                              : Audio Coding 3
Mode extension                           : CM (complete main)
Codec ID                                 : 129
Duration                                 : 1h 4mn
Bit rate mode                            : Constant
Bit rate                                 : 192 Kbps
Channel(s)                               : 2 channels
Channel positions                        : Front: L R
Sampling rate                            : 48.0 KHz
Bit depth                                : 16 bits
Compression mode                         : Lossy
Delay relative to video                  : -472ms
Stream size                              : 88.7 MiB (1%)
Language                                 : Spanish

Text #1
ID                                       : 49 (0x31)-608-1
Menu ID                                  : 1 (0x1)
Format                                   : EIA-608
Muxing mode                              : A/53 / DTVCC Transport
Muxing mode, more info                   : Muxed in Video #1
Duration                                 : 1h 4mn
Bit rate mode                            : Constant
Stream size                              : 0.00 Byte (0%)

Text #2
ID                                       : 49 (0x31)-1
Menu ID                                  : 1 (0x1)
Format                                   : EIA-708
Muxing mode                              : A/53 / DTVCC Transport
Muxing mode, more info                   : Muxed in Video #1
Duration                                 : 1h 4mn
Bit rate mode                            : Constant
Stream size                              : 0.00 Byte (0%)
[/code]
[/quote]

RE: Support Thread for MediaCodec - pfennig - 2014-02-21

Device:
Nook Color
OMAP 3621 (aka ARMv7 rev 2 v7l, aka Cortex A8) CPU
PowerVR SGX 530 GPU

Software:
CyanogenMod 10.2.1-encore
Android 4.3.1
Kernel 3.0.8-g080f0e5

XBMC:
Gotham nightly 13.0-ALPHA12 20140218-f6f539a
Skin: Touched
MediaCodec enabled, Libstagefright enabled (thus uses MediaCodec)
All other settings default after a fresh installation.

Log:
http://xbmclogs.com/show.php?id=135210

Steps:
Start XBMC
Select Videos>Files>sdcard1>Downloads
Play "Fun.- We Are Young.mp4"

Problem:
Spinner appears, never stops spinning, video never starts

If I disable both libstagefright and mediacodec, I can actually start playing any of my media files (though on anything greater than SD it grinds to a halt shortly). I can't see obvious errors in the log, but you can see the timestamp jump at the end -- it never really 'starts'. I'd love a "this will start working soon" answer, but will settle for a "this will never work because XYZ" (e.g. OMAP3 never going to be supported, or Huh)

RE: Support Thread for MediaCodec - gotpaste - 2014-02-28

Is there a way to default certain codecs to mediacodec and others to libstagefright. I have to constantly turn off and back on mediacodec on my RK3188 device. I used to run the 9/29 version of Gotham and never had any issues but anything after this I have to turn off and on mediacodec depending on the show I am watching. It would be great if I could update a file so when a particular codec is needed it defaults to the correct setting.

RE: Support Thread for MediaCodec - freaksworth - 2014-03-22

Device:
Dell Wyse Cloud Connect
http://www.dell.com/us/business/p/cloud-connect/pd
Multi-core Cortex-A9 ARM System-on-Chip (SoC)

Software:
Android 4.1.2
kernel 3.0.31

XBMC:
XBMC (13.0-BETA2 Git:20140315-a1cab7a)
MediaCodec enabled, Libstagefright disabled
All other settings default after a fresh installation.

Log:
http://xbmclogs.com/show.php?id=155263

Steps:
Start XBMC
Select Videos>Files>sdcard1>Movies
Play h264 and mpeg in .ts

Problem:
- high cpu load, framedrops

RE: Support Thread for MediaCodec - onomatopellan - 2014-04-12

Since this PR https://github.com/xbmc/xbmc/pull/4524 was merged I can't watch properly any video using Mediacodec. It looks like this:

Image

Log:
http://xbmclogs.com/show.php?id=172251

Re: RE: Support Thread for MediaCodec - Koying - 2014-04-12

(2014-04-12, 14:49)onomatopellan Wrote: Since this PR https://github.com/xbmc/xbmc/pull/4524 was merged I can't watch properly any video using Mediacodec. It looks like this:
Yeah, bogus commit. It will be reverted soon.

RE: Support Thread for MediaCodec - Koying - 2014-04-16

Dears,

We have found a rarely occurring bug in MediaCodec and would like to be sure the fix doesn't break anything.
Could you test this Gotham master build, please: http://mirrors.xbmc.org/test-builds/android/arm/xbmc-20140416-3224eca-fixamcreleasebuffer-armeabi-v7a.apk

Thanks

RE: Support Thread for MediaCodec - Kib - 2014-04-16

@Koying

I did some testing with my Nexus 5 running Android 4.4.2 but it seems mediacodec is completely broken with both builds.
https://docs.google.com/spreadsheets/d/1kXGDCLxj4DrdvbIUs2-0bOCg2zKWl_GgQ5EWt9v2mrE/edit?usp=sharing

If you want a specific log etc I'll be glad to assist.

RE: Support Thread for MediaCodec - althekiller - 2014-04-16

Seems OK with Dalvik. ART is not a problem for Gotham.

Tested my dir of samples with B3 and the PR build, no noticeable difference AFAICT.

RE: Support Thread for MediaCodec - natethomas - 2014-04-17

That may have done it for me, koying. Otoh, I wasn't able to install the apk at all until I had uninstalled the old apk, so for me it may have just been a crap install or something.

Re: Support Thread for MediaCodec - Koying - 2014-04-17

@Kib
Could you take a logcat while MediaCodec is cashing?
Are you using the stock FW?

@Al
Do you mean you tested Gotham with ART and you had no issues?

RE: Support Thread for MediaCodec - Kib - 2014-04-17

@Koying Yes I should be able to do that. Edit: when I am back home in about 10 hours from now.

As far as I understand from team chatlog from yesterday, althekiller tested with dalvik which was working then switched to ART and confirmed breakage

Note: When installing the pr build on top of nightly android will ask if you want to update, then error out with 'app does not exist'. I believe this is what Nate saw as well. Probably something to do with version numbering - I dismissed it as being not important

Re: Support Thread for MediaCodec - Koying - 2014-04-17

Hehe... So you mean exactly the contrary of what he wrote ;-)
No having any ART device myself (are there other than N5 currently, officially?) , it will be quite difficult for me to fix, but having a logcat might give us an idea.

[edit]
Oh, maybe he meant that ART having a problem is not a problem for Gotham.

RE: Support Thread for MediaCodec - Kib - 2014-04-17

Every 4.4+ device supports ART.
Hardware accelerated playback in MXplayer works for all my testfiles (dts audio needs to be done with optional external mplayer dll, in software) under ART.

I think althekiller meant that ART being broken does not need to be fixed for Gotham.

Edit: indeed Smile
Edit2: I am new to testing android, but fully willing to invest some time. Adb logcat seems easy enough, probably could do debug traces as well.

Re: Support Thread for MediaCodec - Koying - 2014-04-17

Yep. And indeed KK boxes are coming (Minix X8 that I know of)...

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