On 7/8/2020 4:44 PM, Michael Niedermayer wrote:
> On Tue, Jul 07, 2020 at 05:41:11PM -0300, James Almer wrote:
>> On 7/7/2020 5:07 PM, Brian Kim wrote:
>>> On Tue, Jul 7, 2020 at 6:34 AM James Almer wrote:
If i understand this right, you could easily solve it with just the
following
On Tue, Jul 07, 2020 at 05:41:11PM -0300, James Almer wrote:
> On 7/7/2020 5:07 PM, Brian Kim wrote:
> > On Tue, Jul 7, 2020 at 6:34 AM James Almer wrote:
> >>
> >> If i understand this right, you could easily solve it with just the
> >> following changes:
> >>
> >>> diff --git a/libavutil/imgutil
On Tue, Jul 07, 2020 at 01:14:41PM -0700, Brian Kim wrote:
> On Tue, Jul 7, 2020 at 4:35 AM Michael Niedermayer
> wrote:
> [...]
> > I wonder if linesizes for newly added functions should be ptrdiff_t
> > this would add some type converting loops though
> >
> > And size probably should be ptrdiff_
On 7/7/2020 5:07 PM, Brian Kim wrote:
> On Tue, Jul 7, 2020 at 6:34 AM James Almer wrote:
>>
>> If i understand this right, you could easily solve it with just the
>> following changes:
>>
>>> diff --git a/libavutil/imgutils.c b/libavutil/imgutils.c
>>> index 7f9c1b632c..48a373db01 100644
>>> ---
On Tue, Jul 7, 2020 at 4:35 AM Michael Niedermayer
wrote:
[...]
> I wonder if linesizes for newly added functions should be ptrdiff_t
> this would add some type converting loops though
>
> And size probably should be ptrdiff_t or int64_t to similarly be more future
> proof
Can these values be neg
On Tue, Jul 7, 2020 at 6:34 AM James Almer wrote:
>
> If i understand this right, you could easily solve it with just the
> following changes:
>
> > diff --git a/libavutil/imgutils.c b/libavutil/imgutils.c
> > index 7f9c1b632c..48a373db01 100644
> > --- a/libavutil/imgutils.c
> > +++ b/libavutil/i
On 7/1/2020 3:14 PM, Brian Kim wrote:
> While running under Clang's UndefinedBehaviorSanitizer, I found a few
> places where av_image_fill_pointers is called before buffers for the image
> are allocated, so ptr is passed in as NULL.
>
> This leads to (currently harmless) UB when the plane sizes ar
Hi
On Wed, Jul 01, 2020 at 11:14:13AM -0700, Brian Kim wrote:
> While running under Clang's UndefinedBehaviorSanitizer, I found a few
> places where av_image_fill_pointers is called before buffers for the image
> are allocated, so ptr is passed in as NULL.
>
> This leads to (currently harmless) U
I'm using clang 10.0.0 and configuring with with `configure --enable-gpl
--enable-libass --enable-libfdk-aac --enable-libmp3lame
--enable-libopencore-amrnb --enable-libopencore-amrwb --enable-librtmp
--enable-libtheora --enable-libvorbis --enable-libopus --enable-libx264
--enable-libvpx --enable-no
On Wed, Jul 01, 2020 at 11:14:13AM -0700, Brian Kim wrote:
> While running under Clang's UndefinedBehaviorSanitizer, I found a few
> places where av_image_fill_pointers is called before buffers for the image
> are allocated, so ptr is passed in as NULL.
>
> This leads to (currently harmless) UB wh
While running under Clang's UndefinedBehaviorSanitizer, I found a few
places where av_image_fill_pointers is called before buffers for the image
are allocated, so ptr is passed in as NULL.
This leads to (currently harmless) UB when the plane sizes are added to the
null pointer, so I was wondering
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