On Fri, Nov 04, 2016 at 11:37:24PM +0530, Pallavi Kumari wrote:
> >> ok, do you know how to compute that or should i explain it ?
>
> Explanation will help. Is there any function in FFmpeg to get absolute
> value of FFT?
hypot() of the 2 real components of each complex value should work
complex
>> ok, do you know how to compute that or should i explain it ?
Explanation will help. Is there any function in FFmpeg to get absolute
value of FFT?
and how to get frequency data?
On Fri, Nov 4, 2016 at 11:04 PM, Michael Niedermayer wrote:
> On Fri, Nov 04, 2016 at 09:01:22PM +0530, Pallavi Ku
On Fri, Nov 04, 2016 at 09:01:22PM +0530, Pallavi Kumari wrote:
> >> The frequency components after a R->C FFT are complex numbers
> >> the peak values of complex numbers are not the same as the maxima of
> >> their real components
> >> did the paper this is based on say anything about what is reco
>> The frequency components after a R->C FFT are complex numbers
>> the peak values of complex numbers are not the same as the maxima of
>> their real components
>> did the paper this is based on say anything about what is recommanded
>> to take here for the maxima?
>> It would seem logic to me to
On Fri, Nov 04, 2016 at 05:27:34PM +0530, Pallavi Kumari wrote:
> patch attached.
>
> On Fri, Nov 4, 2016 at 3:29 PM, Michael Niedermayer
> wrote:
>
> > On Fri, Nov 04, 2016 at 07:46:34AM +0530, Pallavi Kumari wrote:
> > > Updated patch attached. PFA
> > [...]
> >
> > > Makefile|1
>
patch attached.
On Fri, Nov 4, 2016 at 3:29 PM, Michael Niedermayer
wrote:
> On Fri, Nov 04, 2016 at 07:46:34AM +0530, Pallavi Kumari wrote:
> > Updated patch attached. PFA
> [...]
>
> > Makefile|1
> > af_peakpoints.c | 263 ++
>
On Fri, Nov 04, 2016 at 07:46:34AM +0530, Pallavi Kumari wrote:
> Updated patch attached. PFA
[...]
> Makefile|1
> af_peakpoints.c | 263
>
> allfilters.c|1
> version.h |2
> 4 files changed, 266 inserti
Updated patch attached. PFA
On Thu, Nov 3, 2016 at 2:00 AM, Michael Niedermayer
wrote:
> On Thu, Nov 03, 2016 at 01:10:26AM +0530, Pallavi Kumari wrote:
> > Necessary changes has been done. PFA.
> >
> > Usage:
> >
> > ./ffmpeg -i kpg.mp3 -filter_complex peakpoints=wsize=16 -f null -
> >
> > On W
On Thu, Nov 03, 2016 at 01:10:26AM +0530, Pallavi Kumari wrote:
> Necessary changes has been done. PFA.
>
> Usage:
>
> ./ffmpeg -i kpg.mp3 -filter_complex peakpoints=wsize=16 -f null -
>
> On Wed, Nov 2, 2016 at 6:14 AM, Michael Niedermayer
> wrote:
>
> > On Wed, Nov 02, 2016 at 05:00:09AM +05
Necessary changes has been done. PFA.
Usage:
./ffmpeg -i kpg.mp3 -filter_complex peakpoints=wsize=16 -f null -
On Wed, Nov 2, 2016 at 6:14 AM, Michael Niedermayer
wrote:
> On Wed, Nov 02, 2016 at 05:00:09AM +0530, Pallavi Kumari wrote:
> > Hi Michael,
> >
> > I have attached a working patch wi
On Wed, Nov 02, 2016 at 05:00:09AM +0530, Pallavi Kumari wrote:
> Hi Michael,
>
> I have attached a working patch with the mail. PFA.
>
> Usage:
>
> ./ffmpeg -i kpg.mp3 -filter_complex peakpoints=input=kpg.mp3:wsize=16
I realize now, theres a mistake in this, you must provide a output
as in
./
On Wed, Nov 02, 2016 at 05:00:09AM +0530, Pallavi Kumari wrote:
> Hi Michael,
>
> I have attached a working patch with the mail. PFA.
>
> Usage:
>
> ./ffmpeg -i kpg.mp3 -filter_complex peakpoints=input=kpg.mp3:wsize=16
>
>
> Regards,
> Atana
>
> On Fri, Oct 28, 2016 at 4:38 AM, Michael Nieder
Hi Michael,
I have attached a working patch with the mail. PFA.
Usage:
./ffmpeg -i kpg.mp3 -filter_complex peakpoints=input=kpg.mp3:wsize=16
Regards,
Atana
On Fri, Oct 28, 2016 at 4:38 AM, Michael Niedermayer wrote:
> On Thu, Oct 27, 2016 at 11:38:27PM +0530, Pallavi Kumari wrote:
> > Hi Mi
On Thu, Oct 27, 2016 at 11:38:27PM +0530, Pallavi Kumari wrote:
> Hi Michael,
>
> I have attached a patch with the mail.
>
> With `avcodec_get_frame_defaults (&frame)` in the function readAudio
> program was working fine with old version in my system. But this function
> is not in the latest git
Hi Michael,
I have attached a patch with the mail.
With `avcodec_get_frame_defaults (&frame)` in the function readAudio
program was working fine with old version in my system. But this function
is not in the latest git repo so I used `av_frame_unref(&frame)` instead
and the program segfaults. I a
On Thu, Oct 27, 2016 at 12:40:53AM +0530, Pallavi Kumari wrote:
> I mean deciding a timeline for the opw project. Which is to be mentioned in
> application
its your application, you can choose whatever timeline you feel makes
sense.
As far as iam concered whats important is to finish the qualifica
I mean deciding a timeline for the opw project. Which is to be mentioned in
application
On Wed, Oct 26, 2016 at 6:01 PM, Michael Niedermayer wrote:
> Hi
>
> On Mon, Oct 17, 2016 at 02:06:26PM +0530, Pallavi Kumari wrote:
> > Hi Michael,
> >
> > I figured out the use of fft. Help me with the time
Hi
On Mon, Oct 17, 2016 at 02:06:26PM +0530, Pallavi Kumari wrote:
> Hi Michael,
>
> I figured out the use of fft. Help me with the time line setting. Thanks
I dont understand the question,
if its about AVFILTER_FLAG_SUPPORT_TIMELINE*, please ignore this for
now, its not needed
[...]
--
Michae
Hi Michael,
I figured out the use of fft. Help me with the time line setting. Thanks
On Mon, Oct 17, 2016 at 1:37 PM, Pallavi Kumari
wrote:
> I am not sure how to use fft function of ffmpeg. I tried on a test code
> https://dpaste.de/es8K. could you point me to an example or something?
>
> Also
I am not sure how to use fft function of ffmpeg. I tried on a test code
https://dpaste.de/es8K. could you point me to an example or something?
Also, could you help me with a timeline for this project.
On Sat, Oct 15, 2016 at 10:34 PM, Pallavi Kumari wrote:
> I will makes the necessary changes.
I will makes the necessary changes.
On Sat, Oct 15, 2016 at 5:45 AM, Michael Niedermayer wrote:
> On Sat, Oct 15, 2016 at 03:33:27AM +0530, Pallavi Kumari wrote:
> > Hi Michael,
> >
> > Please find the task at https://github.com/atana1/audio_stream
>
> The code should be a avfilter in libavfilte
On Sat, Oct 15, 2016 at 03:33:27AM +0530, Pallavi Kumari wrote:
> Hi Michael,
>
> Please find the task at https://github.com/atana1/audio_stream
The code should be a avfilter in libavfilter
also it should be using the existing fft code
[...]
--
Michael GnuPG fingerprint: 9FF2128B147EF6730BA
Hi Michael,
Please find the task at https://github.com/atana1/audio_stream
Regards,
Pallavi
nick - atana
On Wed, Oct 12, 2016 at 6:26 AM, Michael Niedermayer wrote:
> On Tue, Oct 11, 2016 at 11:54:04PM +0200, Michael Niedermayer wrote:
> > On Tue, Oct 11, 2016 at 09:52:08PM +0530, Pallavi Kum
On Tue, Oct 11, 2016 at 11:54:04PM +0200, Michael Niedermayer wrote:
> On Tue, Oct 11, 2016 at 09:52:08PM +0530, Pallavi Kumari wrote:
> > >> added the entry with the sugested addition
> >
> > >> also you didnt list "Expected results" so i added some
> >
> > Thank you.
> >
> > Is the preferred l
On Tue, Oct 11, 2016 at 09:52:08PM +0530, Pallavi Kumari wrote:
> >> added the entry with the sugested addition
>
> >> also you didnt list "Expected results" so i added some
>
> Thank you.
>
> Is the preferred language C for this kind of filter? C++ ?
C (optional assembly optimizations are welc
>> added the entry with the sugested addition
>> also you didnt list "Expected results" so i added some
Thank you.
Is the preferred language C for this kind of filter? C++ ?
I don't see a qualification task on the wiki. Let me know so that that I
can start with it and with writing the applicat
On Mon, Oct 10, 2016 at 10:48:19PM +0530, Pallavi Kumari wrote:
> Hi Nicholas,
>
> The use cases proposed by you is certainly very useful. You are welcome to
> add it with the wiki content. Thanks again for your input :)
added the entry with the sugested addition
also you didnt list "Expected re
Hi Nicholas,
The use cases proposed by you is certainly very useful. You are welcome to
add it with the wiki content. Thanks again for your input :)
On Mon, Oct 10, 2016 at 10:33 PM, Nicolas George wrote:
> Le nonidi 19 vendémiaire, an CCXXV, Pallavi Kumari a écrit :
> > Implementing filters fo
Le nonidi 19 vendémiaire, an CCXXV, Pallavi Kumari a écrit :
> Implementing filters for ffmpeg that would give different audio
> fingerprints for an audio which could be reused by other people for variety
> of applications. Goal of this system is given a song as an input, it would
> spits out simil
>> its probably better if i add it but you can post a suggested wiki
>> marked up text here and ill add it to the page if it looks ok
>> ... my lazyness is limitless
Below is the content.
Audio Fingerprinting Filters for FFmpeg
**
Implementing filters for
On Fri, Oct 07, 2016 at 10:49:42PM +0530, Pallavi Kumari wrote:
> >> iam interrested, i intend to mentor only one applicant though
> >> iam also the mentor for "Improve Selftest coverage"
> >> (hint if someone wants to take mentoring that over for example ...)
>
> Thank you for your interest
>> iam interrested, i intend to mentor only one applicant though
>> iam also the mentor for "Improve Selftest coverage"
>> (hint if someone wants to take mentoring that over for example ...)
Thank you for your interest :)
Is there any applicant for ''Improve Selftest coverage'' ?
>> Do you h
On Wed, Oct 05, 2016 at 11:23:11PM +0530, Pallavi Kumari wrote:
> I am looking for mentor(s). Kindly let me know if anyone interested.
iam interrested, i intend to mentor only one applicant though
iam also the mentor for "Improve Selftest coverage"
(hint if someone wants to take mentoring tha
I am looking for mentor(s). Kindly let me know if anyone interested.
On Tue, Sep 27, 2016 at 2:22 PM, Pallavi Kumari
wrote:
> Lou, Jean thanks for your suggestions. I will go through them meanwhile I
> have finished a rough sketch of the idea. Please find it at [1].
>
> [1] https://wiki.mozilla
Lou, Jean thanks for your suggestions. I will go through them meanwhile I
have finished a rough sketch of the idea. Please find it at [1].
[1] https://wiki.mozilla.org/Atana/idea
On Tue, Sep 27, 2016 at 11:33 AM, Jean First wrote:
> On Sun Sep 25 2016 14:32:25 GMT+0200 (CEST), Pallavi Kumari w
On Sun Sep 25 2016 14:32:25 GMT+0200 (CEST), Pallavi Kumari wrote:
[...]
> I want to propose the idea of implementing filters for ffmpeg that would
> give different audio fingerprints for an audio which could be reused by
> other people for variety of applications. Goal of this system is given a
Hi,
On Sun, Sep 25, 2016, at 04:32 AM, Pallavi Kumari wrote:
[...]
> I want to propose the idea of implementing filters for ffmpeg that would
> give different audio fingerprints for an audio which could be reused by
> other people for variety of applications.
chromaprint comes to mind. It may be
Thanks for the inspiring reply Nicholas :) I am glad that you find the idea
very interesting.
>> I think this could be a very interesting project, but maybe also very
hard.
>> I myself do not have the skills or knowledge to help in any way in that
area.
I have been reading few papers related to s
Le quartidi 4 vendémiaire, an CCXXV, Pallavi Kumari a écrit :
> I want to propose the idea of implementing filters for ffmpeg that would
> give different audio fingerprints for an audio which could be reused by
> other people for variety of applications. Goal of this system is given a
> song as a i
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