sd and openbsd.
>>
>> http://fate.ffmpeg.org/log.cgi?time=20150508171126&log=compile&slot=x86_64-netbsd-clang-noopt
>> http://fate.ffmpeg.org/log.cgi?time=20150508182740&log=compile&slot=x86_64-openbsd5.6-gcc4.8
>
> should be fixed
Sorry and thank you James and Michae
Hi,
this patch fixes ticket #4030. Users have tested it and they confirm
it solves the problem.
Giorgio Vazzana
From 5f1b247ee7c47821da301eddad539f8e35652cf5 Mon Sep 17 00:00:00 2001
From: Giorgio Vazzana
Date: Fri, 8 May 2015 17:25:15 +0200
Subject: [PATCH] lavd/v4l2: produce a 0 byte packet
From 55f35aaea4b1aaf59e3a7620e0ca0e078c8c2010 Mon Sep 17 00:00:00 2001
From: Giorgio Vazzana
Date: Fri, 8 May 2015 17:42:34 +0200
Subject: [PATCH] lavd/v4l2: fix typo
This was introduced in cde6e328de214ffe8387641cdc1e433a2c2150f3
---
libavdevice/v4l2.c |2 +-
1 file changed, 1 insertion
Hello,
I wrote this simple patch a while back trying to solve ticket #4030,
but I think we might as well apply it as it would make debugging
easier in general.
Giorgio Vazzana
From 1b471609878a9982960bf25e921c560e595ad667 Mon Sep 17 00:00:00 2001
From: Giorgio Vazzana
Date: Thu, 16 Oct 2014 11
Hi,
$ ffmpeg -h full 2>/dev/null | grep thread_queue_size
-thread_queue_size set the maximum number of queued packets from the demuxer
Giorgio Vazzana
From 15e9d7d8d3e23ec7a0649b36f104c755c5a33783 Mon Sep 17 00:00:00 2001
From: Giorgio Vazzana
Date: Tue, 24 Mar 2015 20:20:45 +0100
Subj
Hi,
2015-02-14 11:12 GMT+01:00 Giorgio Vazzana :
> Hi,
>
> 2015-02-14 9:33 GMT+01:00 supraja reddy :
>> Hello,
>>
>> I have added the necessary functions for twofish in crypto_bench.
>> A note, there is no twofish implementation in openssl library but since
Hi Supraja,
could you also post the result of crypto_bench now to see how fast our
implementation is compared to the others?
Thanks.
Giorgio Vazzana
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let's see if
others have comments.
Giorgio Vazzana
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s used for
>> encryption/decryption
>> > + * @param key_bits number of keybits: 128, 192, 256 If less than the
>> required, padded with zeroes to nearest valid value
>> > + */
>>
>> You need to document the return values of t
Hi,
2015-01-25 20:00 GMT+01:00 supraja reddy :
> Sorry. I forgot to make a small change. Updated the patch.
> +for (i = 0; i < cs->ksize; i++) {
> +Me[i] = Key[2 * i];
> +Mo[i] = Key[2 * i + 1];
> +}
> +for (i = 0; i < cs->ksize; i++)
> +cs->S[cs->ksize - i - 1
gt; +/*
> + * An implementation of the TwoFish algorithm
> + * Copyright (c) 2015 Supraja Meedinti
> + *
> + * This file is part of FFmpeg.
> + *
> + * FFmpeg is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU Lesser General Public
> +
, 0x09, 0x0a, 0x00, 0x0e, 0x0d,
>> 0x08, 0x02, 0x0b, 0x03, 0x0f,
>> +0x0b, 0x09, 0x05, 0x01, 0x0c, 0x03, 0x0d, 0x0e, 0x06, 0x04, 0x07,
>> 0x0f, 0x02, 0x00, 0x08, 0x0a}
>> +};
>> +
>> +struct AVTWOFISH *av_twofish_alloc(void)
>> +{
>> +ret
2015-01-03 4:45 GMT+01:00 Lukasz Marek :
> On 21 December 2014 at 23:39, Lukasz Marek wrote:
>
>> On 21.12.2014 22:43, Lukasz Marek wrote:
>>
>>> Signed-off-by: Lukasz Marek
>>> ---
>>> libavdevice/v4l2.c | 58 ++
>>>
>>> 1 file changed, 58
ost important
to less important.
> maybe you can add a fate test for it
Yes please, a fate test would be nice.
Giorgio Vazzana
From bdd85f3b5727f0e64f4bbae02c9023b379e50f4c Mon Sep 17 00:00:00 2001
From: Giorgio Vazzana
Date: Fri, 2 Jan 2015 16:33:17 +0100
Subject: [PATCH 1/4] avutil/camellia
}
> +av_free(cs);
> +return err;
> +}
> +#endif
> diff --git a/libavutil/camellia.h b/libavutil/camellia.h
> new file mode 100644
> index 000..41076d4
> --- /dev/null
> +++ b/libavutil/camellia.h
> @@ -0,0 +1,68 @@
> +/*
> + * An implem
2014-12-26 20:01 GMT+01:00 Michael Niedermayer :
> [...]
>
>> +static uint64_t F(uint64_t F_IN, uint64_t KE)
>> +{
>> +uint32_t Zl, Zr;
>
>> +Zl = (F_IN >> 32) ^ (KE >> 32);
>> +Zr = (F_IN & MASK32) ^ (KE & MASK32);
>
> KE ^= F_IN;
> Zl = KE >> 32;
> Zr = KE & MASK32;
>
>
>> +Zl = (
Hi,
2014-12-24 23:41 GMT+01:00 supraja reddy :
> Hello,
>
> Thank you for your reviews. I have attached the updated patch .
>
> You are using a single array K for all the keys, without distinguishing
>> between
>> kw, k and ke as in the rfc. This makes code harder to read/maintain with no
>> real
Hello Supraja,
2014-12-23 18:38 GMT+01:00 supraja reddy :
> I have attached the patch to the basic implementation of camellia block
> cipher. Please let me know if there are any bugs to be fixed or if any
> further optimization needed.
thanks for the patch and thank you Michael for the first revi
rypt a buffer using a previously initialized context
> + *
> + * @param ctx an AVCAST5 context
> + * @param dst destination array, can be equal to src
> + * @param src source array, can be equal to dst
> + * @param count number of 8 byte blocks
> + * @param iv initialization vector for CBC mode, NULL for ECB mode
> + * @param decrypt 0 for encryption, 1 for decryption
> + */
> +void av_cast5_crypt2(struct AVCAST5 *ctx, uint8_t *dst, const uint8_t *src,
> int count, uint8_t *iv, int decrypt);
> /**
> * @}
> */
> --
> 1.8.3.2
>
the rest LGTM, thanks.
Giorgio Vazzana
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Hello,
2014-12-17 19:53 GMT+01:00 supraja reddy :
> I hope this fixes all the issues .
> From 16c8db86ebf92f68a8a750dcbe5e3598a8bd69b5 Mon Sep 17 00:00:00 2001
> From: Supraja Meedinti
> Date: Thu, 18 Dec 2014 00:17:45 +0530
> Subject: [PATCH] libavutil: Added cbc mode to cast128
>
> Signed-off-
t; +dst[i] = src[i] ^ iv[i];
>> +encipher(cs, dst, dst);
>
> Indentation in the new code is wrong.
thank you Carl for the review, I agree all your points are valid.
There seems to be a bigger problem with this patch though, the IV
ve
for (i = 0; i < 100; i++){
> +av_cast5_init(cs, rpt2[1], 128);
> +av_cast5_crypt(cs, rpt2[0], rpt2[0], 2, 0);
> +av_cast5_init(cs, rpt2[0], 128);
> +av_cast5_crypt(cs, rpt2[1], rpt2[1], 2, 0);
> }
> -for (j=0;j<2;j++
2014-11-06 12:47 GMT+01:00 Giorgio Vazzana :
> Hi,
>
> 2014-11-05 21:54 GMT+01:00 Michael Niedermayer :
>> On Wed, Oct 22, 2014 at 04:12:31PM +0200, Giorgio Vazzana wrote:
>>> Hello,
>>>
>>> this was probably wrong and has caused
>>
>> i c
Hi,
2014-11-05 21:54 GMT+01:00 Michael Niedermayer :
> On Wed, Oct 22, 2014 at 04:12:31PM +0200, Giorgio Vazzana wrote:
>> Hello,
>>
>> this was probably wrong and has caused
>
> i can revert it if you want ?
I will sent a patch for testing on that ticket later and
From c373c413bd2d27463a45e50c5827975e579b6e7c Mon Sep 17 00:00:00 2001
From: Giorgio Vazzana
Date: Thu, 6 Nov 2014 11:30:41 +0100
Subject: [PATCH] lavd/v4l2: use pixel format variable names consistently
We now use 'pixelformat' for V4L2_PIX_FMT_* (as they do in v4l2
documentation) an
2014-10-21 12:26 GMT+02:00 Stefano Sabatini :
> On date Tuesday 2014-10-21 03:56:06 -0300, James Almer encoded:
>> No need to keep the old symbols around until a major bump since lavd
>> functions
>> with the avpriv_ prefix were never exposed.
>>
>> Signed-off-by: James Almer
>
> LGTM.
Ping. Any
Hello,
this was probably wrong and has caused
https://trac.ffmpeg.org/ticket/3517 . Will investigate.
Giorgio Vazzana
2014-01-05 17:17 GMT+01:00 Michael Niedermayer :
> On Sun, Jan 05, 2014 at 12:33:42PM +0100, Federico Simoncelli wrote:
>> Any feedback?
>
> looks good, thus app
Hi,
this should make fate green again.
Giorgio Vazzana
From 769cd50d4d3ba4a6f62db3c2599ba653e919e94a Mon Sep 17 00:00:00 2001
From: Giorgio Vazzana
Date: Sat, 18 Oct 2014 16:50:59 +0200
Subject: [PATCH] libavutil: Add missing av_free() to cast5 selftest
---
libavutil/cast5.c |1 +
1 file
Hi,
2014-10-16 5:32 GMT+02:00 Michael Niedermayer :
> On Thu, Oct 16, 2014 at 03:25:42AM +0530, supraja reddy wrote:
>> Extremely sorry for resending the patch . There was a trailing whitespace
>> which I hadn't corrected .
>> All the changes are done .
>> Please let me if any changes needed furth
Hi,
2014-10-13 22:07 GMT+02:00 Nikita Mantri :
> Hi,
> For the generic CMAC module, can I reuse the code of md5 and sha from
> libavutil, or should I implement this hash function again.
You can reuse the existing code, of course.
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2014-10-13 3:49 GMT+02:00 Michael Niedermayer :
> Hi all
>
> does any mentor want to be added to the opw@ffmpeg alias
> if so, tell me and ill add you
Sure, add me, thanks.
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Hello Nikita,
we already have a HMAC module in libavutil, so you could try to
implement "The AES-CMAC Algorithm", RFC 4493.
Michael, would this be acceptable for you?
Giorgio Vazzana
2014-10-12 19:17 GMT+02:00 Nikita Mantri :
> Hi,
> Thanks for your response. I want to co
Hi Michael,
2014-10-12 18:11 GMT+02:00 Michael Niedermayer :
> On Sun, Oct 12, 2014 at 05:49:54PM +0200, Giorgio Vazzana wrote:
>> 2014-10-12 2:18 GMT+02:00 Michael Niedermayer :
>> > Hi
>> >
>> > On Sun, Oct 12, 2014 at 02:51:36AM +0530, Nikita Mantri wr
e so
popular!)
Anyway if you still want to try let us know and together with you we
will choose a suitable qualification task (the ones that Michael
proposed are fine with me). You will have only ten days to complete
your qualification task and submit your application, but depending on
your level
2014-10-12 13:59 GMT+02:00 supraja reddy :
> Hello ,
>
> I , Supraja , am interested to work with ffmpeg as a part of OPW internship
> . As a part of the qualification task , I have taken up the implementation
> of Cast 128 algorithm implementation . I have written the code for the same
> and have
he currently listed mentors so
> they can hopefully help with the latter.
I am still available as a mentor for the Symmetric-key block ciphers project.
Regards,
Giorgio Vazzana
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.4.
Regards,
Giorgio Vazzana
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From 5ab8d5700c69033fd5dc27d49525df84863a38f9 Mon Sep 17 00:00:00 2001
From: Giorgio Vazzana
Date: Fri, 5 Sep 2014 17:43:59 +0200
Subject: [PATCH 5/5] lavd/v4l2: simplify list_formats()
We can avoid passing file descriptor fd explicitely.
---
libavdevice/v4l2.c |6 +++---
1 file changed, 3
From 5642dbb81dadff02c63b454726b1ca4c99ee1c2c Mon Sep 17 00:00:00 2001
From: Giorgio Vazzana
Date: Fri, 5 Sep 2014 17:24:43 +0200
Subject: [PATCH 2/5] lavd/v4l2: simplify first_field()
There is no need to pass fd as a second parameter. Additionally remove
unneeded curly braces.
---
libavdevice
From b85da403cb0856887d4a657aa706b6cdfbb619e0 Mon Sep 17 00:00:00 2001
From: Giorgio Vazzana
Date: Fri, 5 Sep 2014 17:12:39 +0200
Subject: [PATCH 1/5] lavd/v4l2: Replace s1 with ctx for consistency.
No functional change in the code.
---
libavdevice/v4l2.c | 114
From fab5a8ac8d2151dce5384c6ff70d5dee25e72066 Mon Sep 17 00:00:00 2001
From: Giorgio Vazzana
Date: Fri, 5 Sep 2014 17:34:51 +0200
Subject: [PATCH 3/5] lavd/v4l2: remove unneeded variable in device_init()
---
libavdevice/v4l2.c |4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff
From 7b62611a54861e5d972e61c94a00a843aca44b19 Mon Sep 17 00:00:00 2001
From: Giorgio Vazzana
Date: Fri, 5 Sep 2014 17:39:50 +0200
Subject: [PATCH 4/5] lavd/v4l2: simplify list_framesizes()
We can avoid passing file descriptor fd explicitely.
---
libavdevice/v4l2.c |6 +++---
1 file changed
Hello,
here's a patch to add myself as a maintainer for lavd/v4l2. I asked
Luca about this a while back and he was fine with this change.
Regards,
Giorgio Vazzana
From 17faef15e981fe6797455084c0212927a2a99357 Mon Sep 17 00:00:00 2001
From: Giorgio Vazzana
Date: Fri, 5 Sep 2014 16:26:11
2014-09-03 13:46 GMT+02:00 :
> From: Dmitry Volyntsev
>
> Signed-off-by: Dmitry Volytnsev
> ---
> libavdevice/v4l2.c | 37 -
> 1 file changed, 20 insertions(+), 17 deletions(-)
LGTM too, thanks.
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2014-09-02 2:07 GMT+02:00 Michael Niedermayer :
> should i apply the previous patch or wait ?
Let's wait some days so that Dmitry can test the patch if he wants to
and give us some feedback.
> also if you want, you can add yourself to the v4l2 maintainers in the
> MAINTAINERs file, as you seem to
2014-09-01 22:46 GMT+02:00 Reimar Döffinger :
> On Mon, Sep 01, 2014 at 10:33:15PM +0200, Giorgio Vazzana wrote:
>> +static int enqueue_buffer(struct video_data *s, struct v4l2_buffer *buf)
>> +{
>> +int res = 0;
>> +
>> +if (v4l2_ioctl(s->fd, VIDI
Hello,
as Reimar pointed out the proposed patch is not the correct solution.
Please see/test attached patch.
Regards,
Giorgio Vazzana
2014-08-31 14:35 GMT+02:00 Dmitry Volyntsev :
>>why is this condition true ?
>
> I tried several configuration and problem occurred only u
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