On Sat, Sep 26, 2015 at 02:42:27PM +0200, Christophe Gisquet wrote:
> Hi,
>
> 2015-09-26 1:52 GMT+02:00 Michael Niedermayer :
> > This segfaults with
> > http://samples.ffmpeg.org/ffmpeg-bugs/trac/ticket2125/DNxHDtest2.mov
>
> Patch reworked:
> - Preallocate RowContext to avoid reloading it
> -
Hi,
2015-09-26 1:52 GMT+02:00 Michael Niedermayer :
> This segfaults with
> http://samples.ffmpeg.org/ffmpeg-bugs/trac/ticket2125/DNxHDtest2.mov
Patch reworked:
- Preallocate RowContext to avoid reloading it
- Use of init_thread_copy due to that
- Fix crashes due to mishandling of code around ex
On Sat, Sep 26, 2015 at 08:33:26AM +0200, Christophe Gisquet wrote:
> Hi,
>
> 2015-09-26 1:52 GMT+02:00 Michael Niedermayer :
> > This segfaults with
> > http://samples.ffmpeg.org/ffmpeg-bugs/trac/ticket2125/DNxHDtest2.mov
>
> Can't reproduce with frame or slice threading or no threading. What
>
Hi,
2015-09-26 8:33 GMT+02:00 Christophe Gisquet :
> Is it something that should be avoidable through my code?
I now think so, so please ignore me till I've understood all of the API.
--
Christophe
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Hi,
2015-09-26 1:52 GMT+02:00 Michael Niedermayer :
> This segfaults with
> http://samples.ffmpeg.org/ffmpeg-bugs/trac/ticket2125/DNxHDtest2.mov
Can't reproduce with frame or slice threading or no threading. What
was the command-line?
> #3 0x00af53fd in avcodec_default_execute2 (c=0x1c
On Fri, Sep 25, 2015 at 11:25:06PM +0200, Christophe Gisquet wrote:
> Around 3x speedup with 4 threads. Maybe more mb lines should be
> batched per thread, but that's good enough for a first try.
> ---
> libavcodec/dnxhddec.c | 221
> ++
> 1 file ch
Around 3x speedup with 4 threads. Maybe more mb lines should be
batched per thread, but that's good enough for a first try.
---
libavcodec/dnxhddec.c | 221 ++
1 file changed, 133 insertions(+), 88 deletions(-)
diff --git a/libavcodec/dnxhddec.c b/l
