[Cin] Simplest demo of BT 638 crash

[Andrew Randrianasulu]

Or, alternatively, just reconfigure it unconditionally?

Not sure how slower it will become ... but it seems to prevent crash
without adding any arbitrary constant
I wonder if it works with very fast shuttle forward?


On Wed, Apr 26, 2023 at 2:17 PM Andrew Randrianasulu
<randrianasulu at gmail.com> wrote:
>
> I tried to set allocation to 2x more (because plugin suddently get 2x
> bigger buffer on speed change), but not sure if  this even sounds
> right?
>
> May be better idea is to store this PluginClient::in_buffer_size in
> plugin-local variable, and compare it to current value, and
> reconfigure if needed ...
>
> On Wed, Apr 26, 2023 at 9:26 AM Andrew Randrianasulu
> <randrianasulu at gmail.com> wrote:
> >
> > Phyllis, can you check HV's version of delayaudio plugin functions?
> >
> > https://github.com/heroineworshiper/hvirtual/blob/457c27f1786a83d43ad205478e4389f760c4fdf9/plugins/delayaudio/delayaudio.C
> >
> > they slightly different, esp. in memcpy parts.
> > I'll try to test this idea myself, sometime this day.
> >
> >
> > пт, 21 апр. 2023 г., 19:03 Andrew Randrianasulu <randrianasulu at gmail.com>:
> >>
> >> so far I get this Backtrace:
> >>
> >> Thread 88 "cin" received signal SIGSEGV, Segmentation fault.
> >> [Switching to Thread 0xc4612b00 (LWP 16879)]
> >> 0xf4e0f37d in DelayAudio::process_realtime(long long, Samples*,
> >> Samples*) () from /usr/lib/cin/plugins/audio/delayaudio.plugin
> >> (gdb) bt full
> >> #0  0xf4e0f37d in DelayAudio::process_realtime(long long, Samples*, Samples*)
> >>     () from /usr/lib/cin/plugins/audio/delayaudio.plugin
> >> No symbol table info available.
> >> #1  0x08709468 in PluginAClient::process_buffer(long long, Samples*,
> >> long long, int) ()
> >> No symbol table info available.
> >> #2  0x08729ea5 in PluginServer::process_buffer(Samples**, long long,
> >> long long, long long, long long, int) ()
> >> No symbol table info available.
> >> #3  0x084d393b in AAttachmentPoint::render(Samples*, int, long long,
> >> long long, long long) ()
> >> No symbol table info available.
> >> #4  0x087efb03 in VirtualANode::render_as_module(Samples**, Samples*,
> >> long long, long long, long long) ()
> >> No symbol table info available.
> >> #5  0x087efbaa in VirtualANode::render(Samples*, long long, long long,
> >> long long) ()
> >> No symbol table info available.
> >> #6  0x087ede33 in VirtualAConsole::process_buffer(long long, long long) ()
> >> No symbol table info available.
> >> #7  0x08504f84 in ARender::run() ()
> >> No symbol table info available.
> >> #8  0x088f4881 in Thread::entrypoint(void*) ()
> >> --Type <RET> for more, q to quit, c to continue without paging--
> >> No symbol table info available.
> >> #9  0xf7e42328 in start_thread () from /lib/libpthread.so.0
> >> No symbol table info available.
> >> #10 0xf6204f06 in clone () from /lib/libc.so.6
> >> No symbol table info available.
> >>
> >> On Fri, Apr 21, 2023 at 5:08 AM Andrew Randrianasulu
> >> <randrianasulu at gmail.com> wrote:
> >> >
> >> > Thanks a lot, I am sorry I spend most of time watching all 7 episodes of Extrapolations (tv series)  instead of doing anything at computer.
> >> >
> >> > So, it basically in "delay audio" plugin, this find narrows it quite a lot!
> >> >
> >> > пт, 21 апр. 2023 г., 04:04 Phyllis Smith <phylsmith2017 at gmail.com>:
> >> >>
> >> >> Simplest demo to create "Delay Audio" plugin problem. I tested this with 4 random audio files or video files that included audio files and all crashed under this set of steps. So you can demo with any file but 1 small example audio file is attached.
> >> >>
> >> >> 1) load/replace file (or load to resources and then drag onto timeline)
> >> >> 2) drag the "Delay Audio" plugin to the audio track
> >> >> 3) start playing file from the beginning (or start anywhere)
> >> >> 4) without stopping first, use the "fast forward" icon in the main window to speed up the playing - CRASH
> >> >>
> >> >> ALTERNATIVE to "Delay Audio" is "F_adelay" which did not crash for me - set "delays" parameter to desired seconds and use "Apply".
> >> >> Next I will use the debugger to learn some more.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: TMP_deayaudio_debug-2.diff
Type: text/x-patch
Size: 1171 bytes
Desc: not available
URL: <https://lists.cinelerra-gg.org/pipermail/cin/attachments/20230426/146e7206/attachment.diff>