#181 DXVA crashes MPC

When I let the movie play a bit, in full screen mode, if I press the left arrow, assigned in mpc hc to jump backward (medium), the player clashes with no message.

Windows 7 x64, AMD 780G, Catalyst 9.11
ffdshow tryouts x64 rev 3326 VC08 Unicode r
mpc hc x64 1.3.1249.0
DXVA codec has no filter settings so none used, postprocessing disabled, info shows no info whatsoever, the Video codec works fine with both libavcodec and ffmpeg-mt and doesn't behave the same way, CoreAVC likewise, MPC HC's internal DXVA codec as well.
Splitter is Haali 1.9.355.21 x64, render is EVC custom with bilinear resizer, no vsync, no D3D and reinitialized display when changed (FWIW).

If a sample is needed I can provide one but I can't guarantee it will trigger the bug... most of the times it goes back fine, but sometimes and after leaving it play a bit it happens at the first press of the button. And I've seen this behavior in more x264 encoded clips.

[AG2]

well, the crash doesn't happen for me, but i'm on 32-bit win7.

However, since you're using the latest ffdshow-tryout svn builds, could you please also try using a more recent build of mpc? (either compile it or get one already compiled)

your mpc-hc revision 1249 is from Aug 26, 2009, 7 months ago. At that time ffdshow-tryout did not even have support for DXVA hardware-accelerated rendering and the team creating mpc-hc could not test properly this rendering mode.

Also try updating the video drivers. Catalyst 9.11 is from november 2009. DXVA rendering is heavily dependent on hardware acceleration and that is managed by the video drivers.

Here i'm on 32-bit win7 using clsid's ffdshow-tryout build (ffdshow_rev3336_20100327_clsid) and MPC-HC svn build 1771 from
xvidvideo.ru/media-player-classic-home-cinema-x86-x64/
(1771 because it's the latest they currently have compiled from svn, it's too much of a hassle for me to re-build it each time a new svn change happens and these guys don't usually mess with the files and they pick a relatively stable svn build to release. Even so, i usually scan the files inside the archive with virustotal just to be safer.)

this setup works great so far for me and the crash for left-arrow-press while in fullscreen dxva rendering does not happen.

you might also want to upgrade your haali splitter version, latest is 1.10.120.15 from march 27th (yesterday).

in summary: please update video drivers and mpc-hc and try again.

[Anonymous]

OK, so I've updated everything except ffdshow for x64 since it's not build, but I also used the latest x86 one as suggested 3336, and the rest of the x86's.

On x64 I don't get an error message, the player just closes abrupt, but on x86 I got this crash message:

Problem signature:
Problem Event Name: APPCRASH
Application Name: mpc-hc.exe
Application Version: 1.3.1771.0
Application Timestamp: 4bae5c8e
Fault Module Name: libavcodec.dll
Fault Module Version: 0.0.0.0
Fault Module Timestamp: 4bae5b3c
Exception Code: c0000005
Exception Offset: 00204371
OS Version: 6.1.7600.2.0.0.256.1
Locale ID: 1048
Additional Information 1: 0a9e
Additional Information 2: 0a9e372d3b4ad19135b953a78882e789
Additional Information 3: 0a9e
Additional Information 4: 0a9e372d3b4ad19135b953a78882e789

[Anonymous]

BTW, it's not just one jump always, what I did was to make several jumps back leave it play a few seconds then again until it crashed.