:: Re: [Frei0r] Release ?
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Auteur: salsaman
Date:  
À: Brian Matherly
CC: Minimalistic plugin API for video effects
Sujet: Re: [Frei0r] Release ?
Ah. makes sense:

void GradientLut::setDepth(size_t depth) {
    lut.resize(depth);
}


lust.size gets set to zero, then in operator[]:


    if(index >= size) {
        index = size - 1;
    }



index gets set to -1.








http://lives-video.com
https://www.openhub.net/accounts/salsaman

On Tue, Mar 15, 2016 at 10:30 PM, salsaman <salsaman@???> wrote:

> It seems to crash when "levels" is set to zero.
>
>
>
>
>
> http://lives-video.com
> https://www.openhub.net/accounts/salsaman
>
> On Tue, Mar 15, 2016 at 10:08 PM, Brian Matherly <pez4brian@???>
> wrote:
>
>> It isn't an array. It's an operator[] on the GradientLut class.
>>
>> /**
>>  * Get a color value for a given position in the table.
>>  * The index in the table will be calculated proportionally to the depth
>> of the
>>  * LUT.
>>  */
>> const GradientLut::Color& GradientLut::operator[](double pos) const {
>>     unsigned int size = lut.size();
>>     unsigned int index = (double)size * pos;
>>     if(index >= size) {
>>         index = size - 1;
>>     }
>>     return lut[index];
>> };

>>
>> There is range protection right before the array is indexed.
>>
>> ~BM
>>
>>
>> ------------------------------
>> *From:* salsaman <salsaman@???>
>> *To:* Brian Matherly <pez4brian@???>; Minimalistic plugin API for
>> video effects <frei0r@???>
>> *Sent:* Tuesday, March 15, 2016 7:54 PM
>>
>> *Subject:* Re: [Frei0r] Release ?
>>
>> inline void Ndvi::setColor(uint8_t *sample, double index)
>> {
>>     double pos = N2P(index);
>>     const GradientLut::Color& falseColor = gradient[pos];

>>
>>
>>
>> I don't think using a double as an array index is a very good idea.
>>
>>
>> Regards,
>> Salsaman.
>>
>>
>>
>>
>>
>> http://lives-video.com
>> https://www.openhub.net/accounts/salsaman
>>
>> On Tue, Mar 15, 2016 at 9:46 PM, Brian Matherly <pez4brian@???>
>> wrote:
>>
>> I'm willing to look at it.
>>
>> The only way I can see that this would happen is if the output image
>> pointer is corrupted.
>>
>> Can you provide steps to reproduce?
>>
>> ~Brian
>>
>>
>> ------------------------------
>> *From:* salsaman <salsaman@???>
>> *To:* Minimalistic plugin API for video effects <frei0r@???>
>> *Sent:* Tuesday, March 15, 2016 7:03 PM
>> *Subject:* Re: [Frei0r] Release ?
>>
>> OK, just one bug found:
>>
>> Program received signal SIGSEGV, Segmentation fault.
>>
>> Ndvi::setColor (index=<optimized out>, sample=0x3cc4270 "",
>> this=0x38a3e70) at filter/ndvi/ndvi.cpp:236
>> 236        sample[0] = falseColor.r;

>>
>>
>>
>> Somebody should fix that before the release.
>>
>>
>>
>>
>> Regards,
>> Salsaman.
>>
>>
>>
>>
>>
>>
>>
>>
>> http://lives-video.com
>> https://www.openhub.net/accounts/salsaman
>>
>> On Tue, Mar 15, 2016 at 7:23 PM, Dan Dennedy <dan@???> wrote:
>>
>> On Tue, Mar 15, 2016 at 3:20 PM salsaman <salsaman@???> wrote:
>>
>> Alright then, just give me a couple of days to check the git master.
>>
>>
>> I think that is fine. I will plan to bump version and make dist tarball
>> on the weekend.
>>
>>
>> Regards,
>> Salsaman.
>>
>>
>> http://lives-video.com
>> https://www.openhub.net/accounts/salsaman
>>
>> On Tue, Mar 15, 2016 at 7:14 PM, Dan Dennedy <dan@???> wrote:
>>
>> On Tue, Mar 15, 2016 at 2:24 PM salsaman <salsaman@???> wrote:
>>
>> Can you let us test the build before releasing it.
>>
>>
>> No, sorry. It has already been tested some by apps such as Shotcut that
>> use the git master. That is all the testing I volunteer to do. If you
>> wanted it tested, you should have been doing that. It is past due for a
>> release.
>>
>>
>>
>> Salsaman.
>>
>>
>>
>> http://lives-video.com
>> https://www.openhub.net/accounts/salsaman
>>
>> On Tue, Mar 15, 2016 at 5:18 PM, Dan Dennedy <dan@???> wrote:
>>
>> On Tue, Mar 15, 2016 at 1:37 AM jb <jb@???> wrote:
>>
>> Le 27.02.16 09:52, Jb a écrit :
>> > Hi all,
>> >
>> > Would it be possible to get a new frei0r release? There were several
>> > fixes in the recent months, and the cairo mixers transparency issue,
>> > that was fixed by Dan in november hits many Kdenlive users.
>> >
>> > A release would really help to spread an updated frei0r to end users.
>>
>> Ping... is anyone still active in the frei0r maintainers team ? We have
>> a Kdenlive release in april and it would have been really nice to have a
>> coordinated frei0r release.
>>
>>
>>
>> Jaromil maintains the web server and has been release manager. I just
>> emailed him, and he responded, but he has not been monitoring the mailing
>> list. I am going to make the release and send it to him, and he will host
>> it.
>>
>>
>> _______________________________________________
>> Frei0r mailing list - http://frei0r.dyne.org
>> Free video plugins, minimal and cross-platform.
>> https://mailinglists.dyne.org/cgi-bin/mailman/listinfo/frei0r
>>
>>
>>
>> _______________________________________________
>> Frei0r mailing list - http://frei0r.dyne.org
>> Free video plugins, minimal and cross-platform.
>> https://mailinglists.dyne.org/cgi-bin/mailman/listinfo/frei0r
>>
>>
>>
>> _______________________________________________
>> Frei0r mailing list - http://frei0r.dyne.org
>> Free video plugins, minimal and cross-platform.
>> https://mailinglists.dyne.org/cgi-bin/mailman/listinfo/frei0r
>>
>>
>>
>>
>>
>