1248496 - Enable D3D11 DXVA

Status: RESOLVED FIXED

(Core :: Audio/Video: Playback, defect)

Description

[Matt Woodrow (:mattwoodrow)]

We previously disabled this in bug 1163454, but we'd like to enable it again.

It's believable that texture recycling will have improved this, but if not, we need to figure out why it's slow and fix it.

Comment 1

[Matt Woodrow (:mattwoodrow)]

Omega, would you be able to test with Nightly and media.windows-media-foundation.allow-d3d11-dxva=true to see if this has improved at all? Thanks!

Comment 2

[Leman Bennett [Omega]]

What a lengthy pref.  I've done a quick test on today's Nightly using the reported video in the other bug. 

https://www.youtube.com/watch?v=mZfCkRvhkg0

Build: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:47.0) Gecko/20100101 Firefox/47.0
https://hg.mozilla.org/mozilla-central/rev/e355cacefc881ba360d412853b57e8e060e966f4

 * YouTube player reports Zero Dropped Frames. No errors reported.

=====================

Adapter Description	AMD Radeon R9 200 Series
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Adapter Drivers	aticfx64 aticfx64 aticfx64 amdxc64 aticfx32 aticfx32 aticfx32 amdxc32 atiumd64 atidxx64 atidxx64 atiumdag atidxx32 atidxx32 atiumdva atiumd6a atitmm64
Adapter Drivers (GPU #2)	igdumdim64 igd10iumd64 igd10iumd64 igdumdim32 igd10iumd32 igd10iumd32
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Adapter RAM (GPU #2)	Unknown
Asynchronous Pan/Zoom	wheel input enabled; touch input enabled
ClearType Parameters	D [ Gamma: 2200 Pixel Structure: R ClearType Level: 50 Enhanced Contrast: 100 ] D [ Gamma: 2200 Pixel Structure: R ClearType Level: 100 Enhanced Contrast: 50 ] D [ Gamma: 2200 Pixel Structure: R ClearType Level: 100 Enhanced Contrast: 50 ]
Device ID	0x6798
Device ID (GPU #2)	0x0162
Direct2D Enabled	true
DirectWrite Enabled	true (10.0.10586.0)
Driver Date	1-30-2016
Driver Date (GPU #2)	8-17-2015
Driver Version	15.301.1801.1001
Driver Version (GPU #2)	10.18.10.4276
GPU #2 Active	false
GPU Accelerated Windows	1/1 Direct3D 11 (OMTC)
Subsys ID	30011682
Subsys ID (GPU #2)	0000000c
Supports Hardware H264 Decoding	Yes
Vendor ID	0x1002
Vendor ID (GPU #2)	0x8086
WebGL Renderer	Google Inc. -- ANGLE (AMD Radeon R9 200 Series Direct3D11 vs_5_0 ps_5_0)
windowLayerManagerRemote	true
AzureCanvasBackend	direct2d 1.1
AzureContentBackend	direct2d 1.1
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Comment 3

[Leman Bennett [Omega]]

I also tested with e10s both on and off. No change. Zero dropped frames.

Comment 4

[Matt Woodrow (:mattwoodrow)]

That's very promising, thanks for testing that.

This isn't the same machine (or at least GPU) as you used when you originally reported the bug though.

Comment 5

[Leman Bennett [Omega]]

Its the same machine, just not the same video card. The card was a back up due to the failure of a previous card. It would take me a bit more time to reinstall it and again. But even then, It would not be the same OS since Windows 10 has been installed.

Comment 6

[Matt Woodrow (:mattwoodrow)]

Attachment: enable-d3d11-dxva

Ok, thanks for checking this Omega.

I think it's worth trying this out. We now have confirmation that it'll fix bug 1236112 (for Windows 8+ users).

Comment 7

[Anthony Jones (:ajones, :kentuckyfriedtakahe, :k17e)]

Comment on attachment 8719641 [details] [diff] [review]
enable-d3d11-dxva

Review of attachment 8719641 [details] [diff] [review]:
-----------------------------------------------------------------

You could add this preference to all.js as well if you like.

Comment 8

[Pulsebot]

https://hg.mozilla.org/integration/mozilla-inbound/rev/320e4b7ceee4

Comment 9

[Matt Woodrow (:mattwoodrow)]

Attachment: Show D3D11 DXVA status in about:support

Comment 10

[Carsten Book [:Tomcat]]

https://hg.mozilla.org/mozilla-central/rev/320e4b7ceee4

Comment 11

[Jean-Yves Avenard [:jya]]

Comment on attachment 8720607 [details] [diff] [review]
Show D3D11 DXVA status in about:support

Review of attachment 8720607 [details] [diff] [review]:
-----------------------------------------------------------------

aFailureReason should be renamed into something like aExtraInfo or whatever.

it's no longer a failure.

Comment 12

[Pulsebot]

https://hg.mozilla.org/integration/mozilla-inbound/rev/98c72746251e

Comment 13

[Carsten Book [:Tomcat]]

https://hg.mozilla.org/mozilla-central/rev/98c72746251e

Comment 14

[[:philipp]]

would this change be at the root of crashes like in bug 1269204 that we start seeing with 47 builds?

Comment 15

[lyralei]

The code introduced in the commit for this appears to be related to bug 1298221 - from this commit onwards running Firefox with WindowBlinds enabled causes crashes in certain scenarios.