media kit linear interpolator crashes.

[humdinger]

This is hrev46528.

Experience media_addon_server crashes for some time now, when playing back media. The attached debugger report is from playing back a WAV (might have been an MP3... not sure).
Like #10343 restarting the media services most often fixes the issue. (I opened this ticket because the report doesn't appear to be similar.)

listdev:

device Multimedia controller (Audio device) [4|3|0]
  vendor 8086: Intel Corporation
  device 27d8: NM10/ICH7 Family High Definition Audio Controller

[humdinger]

debugger report

[humdinger]

BTW, media_server_addon doesn't seem to crash, if before the first play back, I go into Media preferences. Under "Audio setting" I go to "HD Audio" and change the output frequency from 96000Hz to 48000Hz and back again. This results in a short horribly crackling of the speakers (might damage them...), but things most often work after that. Sometimes the notebook even restarts when doing that...
The procedure doesn't feel healthy...

[pulkomandy]

the crash is in the resampler code. Switching from "linear interpolation" to "drop/repeat sample" is a safer way to avoid this problem (even for apps not generating 48kHz output). the drop/repeat code is ok, only the interpolated one is buggy (seem to do an out of bounds access from time to time).

[pulkomandy]

the crash is in the resampler code. Switching from "linear interpolation" to "drop/repeat sample" is a safer way to avoid this problem (even for apps not generating 48kHz output). the drop/repeat code is ok, only the interpolated one is buggy (seem to do an out of bounds access from time to time).

Also, reopening this as a separate issue, the backtrace in #7180 isn't the same.

[diver]

Both tickets seem to indicate that the crash happens in Resampler::float_to_float. Are you sure it's not a dup?

[pulkomandy]

Oops, you're right, I was looking at the stacktrace in the first comment there.

[pulkomandy]

(In #7180) And, @stargatefan: your problem is unrelated, if it still happens, please open a separate ticket.