Re: [FFmpeg-devel] GSoC 2018

On Tue, Jan 09, 2018 at 07:27:28PM +0100, Thilo Borgmann wrote: > Hi folks, > > yet again, the registration for Google Summer of Code 2018 has opened. > > Like in the previous years, we've setup an ideas page in our wiki: > https://trac.ffmpeg.org/wiki/SponsoringPrograms/GSoC/2018 Would there

[FFmpeg-devel] GSoC 2018

Hi folks, yet again, the registration for Google Summer of Code 2018 has opened. Like in the previous years, we've setup an ideas page in our wiki: https://trac.ffmpeg.org/wiki/SponsoringPrograms/GSoC/2018 Same procedure as every year - we need to define more interesting tasks for students to

[FFmpeg-devel] GSoC 2017 mentor summit review

Hi, Carl Eugen and me went to the mentor summit this year. We've met a lot of known and some yet unknown users and had a lot of interesting talks with them, as well as a lot conversations with representatives of other projects about OSS development in general and GSoC matters in particular. We

Re: [FFmpeg-devel] GSoC 2017 MPEG-4 ALS codec project

On 02/19/2017 09:30 AM, Thilo Borgmann wrote: [..] Although, be aware that the list of accepted organizations is yet to be published - we do not know yet if FFmpeg will be part of GSoC 2017. We can confirm this now. Participating orgs were announced today. Good luck with your quali

Re: [FFmpeg-devel] GSoC 2017 MPEG-4 ALS codec project

Am 18.02.17 um 22:55 schrieb Thilo Borgmann: > Hi, > >> My name is George and I am a PhD student at Stanford. I am interested >> in the MPEG-4 ALS codec project for this year's GSoC program. >> >> Should I go straight into attempting to fix a bug of ALS on the >> tracker as a qualification task

Re: [FFmpeg-devel] GSoC 2017 MPEG-4 ALS codec project

Hi, > My name is George and I am a PhD student at Stanford. I am interested > in the MPEG-4 ALS codec project for this year's GSoC program. > > Should I go straight into attempting to fix a bug of ALS on the > tracker as a qualification task and if so do you have a specific one > to recommend?

[FFmpeg-devel] GSoC 2017 MPEG-4 ALS codec project

Hi all, My name is George and I am a PhD student at Stanford. I am interested in the MPEG-4 ALS codec project for this year's GSoC program. Should I go straight into attempting to fix a bug of ALS on the tracker as a qualification task and if so do you have a specific one to recommend?

Re: [FFmpeg-devel] GSoC 2017

Hi all On Mon, Jan 23, 2017 at 03:39:09PM +0100, Michael Niedermayer wrote: > Hi all just wanted to remind all that during February 10 - 26Google program administrators review organization applications the ideas page already looks quite good but any improvments you can do to it should

Re: [FFmpeg-devel] GSoC 2017

Hi Pedro, On Thu, Feb 9, 2017 at 3:10 PM, Pedro Arthur wrote: > 2017-02-09 17:01 GMT-02:00 Ronald S. Bultje : > > > Before we get into adding new things to swscale: I will veto anything > that > > doesn't use the provided API in libavutil. So no new

Re: [FFmpeg-devel] GSoC 2017

2017-02-09 17:01 GMT-02:00 Ronald S. Bultje : > Before we get into adding new things to swscale: I will veto anything that > doesn't use the provided API in libavutil. So no new SWS_CS_*. > > Maybe is there something that doesn't use libavutil in swscale that can be turned in

Re: [FFmpeg-devel] GSoC 2017

On Thu, 9 Feb 2017 14:01:59 -0500 "Ronald S. Bultje" wrote: > Hi, > > On Wed, Feb 8, 2017 at 8:21 PM, Michael Niedermayer > wrote: > > > On Thu, Feb 09, 2017 at 01:03:06AM +0100, Michael Niedermayer wrote: > > > On Wed, Feb 08, 2017 at 09:07:09PM

Re: [FFmpeg-devel] GSoC 2017

Hi, On Wed, Feb 8, 2017 at 8:21 PM, Michael Niedermayer wrote: > On Thu, Feb 09, 2017 at 01:03:06AM +0100, Michael Niedermayer wrote: > > On Wed, Feb 08, 2017 at 09:07:09PM -0200, Pedro Arthur wrote: > > > 2017-01-27 1:01 GMT-02:00 Michael Niedermayer :

Re: [FFmpeg-devel] GSoC 2017

Michael Niedermayer wrote: >also in absence of any other ideas, YCoCg support may be a >qualification task. Maybe not the best choice but certainly >usefull on its own +1 Y'CoCg support would be useful indeed. Best regards, Reto ___ ffmpeg-devel

Re: [FFmpeg-devel] GSoC 2017

On Thu, Feb 09, 2017 at 01:03:06AM +0100, Michael Niedermayer wrote: > On Wed, Feb 08, 2017 at 09:07:09PM -0200, Pedro Arthur wrote: > > 2017-01-27 1:01 GMT-02:00 Michael Niedermayer : > > > > > we need more (backup) mentors, so yes, i think its needed > > > > > > also if you

Re: [FFmpeg-devel] GSoC 2017

2017-01-27 1:01 GMT-02:00 Michael Niedermayer : > we need more (backup) mentors, so yes, i think its needed > > also if you want to be mentor for a swscale related project i would > support that idea Hi, sorry for the late reply. I think implementing a cascade-less swscale

Re: [FFmpeg-devel] GSoC 2017

On Mon, Jan 30, 2017 at 11:44 PM, Thilo Borgmann wrote: > Am 30.01.17 um 18:41 schrieb Umair Khan: >> On Wed, Jan 25, 2017 at 5:45 PM, Thilo Borgmann >> wrote: >>> Am 25.01.17 um 06:14 schrieb Umair Khan: On Wed, Jan 25, 2017 at 7:45 AM,

Re: [FFmpeg-devel] GSoC 2017

Am 30.01.17 um 18:41 schrieb Umair Khan: > On Wed, Jan 25, 2017 at 5:45 PM, Thilo Borgmann > wrote: >> Am 25.01.17 um 06:14 schrieb Umair Khan: >>> On Wed, Jan 25, 2017 at 7:45 AM, Michael Niedermayer >>> wrote: On Mon, Jan 23, 2017 at

Re: [FFmpeg-devel] GSoC 2017

On Wed, Jan 25, 2017 at 5:45 PM, Thilo Borgmann wrote: > Am 25.01.17 um 06:14 schrieb Umair Khan: >> On Wed, Jan 25, 2017 at 7:45 AM, Michael Niedermayer >> wrote: >>> >>> On Mon, Jan 23, 2017 at 03:39:09PM +0100, Michael Niedermayer wrote: Hi all

Re: [FFmpeg-devel] GSoC 2017

On Thu, Jan 26, 2017 at 03:34:24PM -0200, Pedro Arthur wrote: > Hi all, > I can be a backup mentor if needed. we need more (backup) mentors, so yes, i think its needed also if you want to be mentor for a swscale related project i would support that idea [...] -- Michael GnuPG fingerprint:

Re: [FFmpeg-devel] GSoC 2017

Hi, I am interested in joining one of the projects. Regards Mayank On Thu, Jan 26, 2017 at 11:04 PM, Pedro Arthur wrote: > Hi all, > I can be a backup mentor if needed. > > 2017-01-25 10:15 GMT-02:00 Thilo Borgmann : > > > Am 25.01.17 um 06:14

Re: [FFmpeg-devel] GSoC 2017

Hi all, I can be a backup mentor if needed. 2017-01-25 10:15 GMT-02:00 Thilo Borgmann : > Am 25.01.17 um 06:14 schrieb Umair Khan: > > On Wed, Jan 25, 2017 at 7:45 AM, Michael Niedermayer > wrote: > >> > >> On Mon, Jan 23, 2017 at 03:39:09PM +0100,

Re: [FFmpeg-devel] GSoC 2017

Am 25.01.17 um 06:14 schrieb Umair Khan: > On Wed, Jan 25, 2017 at 7:45 AM, Michael Niedermayer wrote: >> >> On Mon, Jan 23, 2017 at 03:39:09PM +0100, Michael Niedermayer wrote: >>> Hi all >>> >>> GSoC 2017 mentor org registration has opened a few days ago >>> >>> Our current

[FFmpeg-devel] GSOC project on "FITS image decoder and encoder"

Dear Sir, I am a final year student at IIT Kanpur, India and GSOC'17 aspirant. I am very much interested in doing the project mentioned at https://trac.ffmpeg.org/wiki/SponsoringPrograms/GSoC/2017# FITSimagedecoderandencoder But. there is no Qualification Task. I asked the same question on IRC

Re: [FFmpeg-devel] GSoC 2017

On Wed, Jan 25, 2017 at 7:45 AM, Michael Niedermayer wrote: > > On Mon, Jan 23, 2017 at 03:39:09PM +0100, Michael Niedermayer wrote: > > Hi all > > > > GSoC 2017 mentor org registration has opened a few days ago > > > > Our current ideas page lists just a single mentor and

Re: [FFmpeg-devel] GSoC 2017

On Mon, Jan 23, 2017 at 03:39:09PM +0100, Michael Niedermayer wrote: > Hi all > > GSoC 2017 mentor org registration has opened a few days ago > > Our current ideas page lists just a single mentor and single sugestion > http://trac.ffmpeg.org/wiki/SponsoringPrograms/GSoC/2017 > > About the

Re: [FFmpeg-devel] GSoC 2017

On Mon, 23 Jan 2017 15:39:09 +0100, Michael Niedermayer wrote: > IIRC google suggests that ideas pages are writen and maintained > year round. I made a "master list" on the wiki several years ago. The intent was to have a single, maintained repository for ideas that we could pick and choose from

Re: [FFmpeg-devel] GSoC 2017

Hi, On Mon, Jan 23, 2017 at 9:39 AM, Michael Niedermayer wrote: > IIRC google suggests that ideas pages are writen and maintained > year round. Now we have a list but some develoeprs seem to oppose some > of these old ideas, I would expect that for each objection against an >

[FFmpeg-devel] GSoC 2017

Hi all GSoC 2017 mentor org registration has opened a few days ago Our current ideas page lists just a single mentor and single sugestion http://trac.ffmpeg.org/wiki/SponsoringPrograms/GSoC/2017 About the Suggested project It is a hard design task which few students would be capable to do. I

Re: [FFmpeg-devel] [GSoC][PATCH v2 2/2] mlpenc: Working MLP/TrueHD encoder

On Tue, Aug 30, 2016 at 03:53:02PM +0530, Jai Luthra wrote: > * Multichannel support for TrueHD is experimental > > There should be downmix substreams present for 2+ channel bitstreams, > but ffmpeg decoder doesn't need it. Will add support for this soon. > > * There might be lossless

Re: [FFmpeg-devel] [GSoC] avcodec/als: Add ALS encoder

On Tue, Oct 04, 2016 at 12:22:38AM +0530, Umair Khan wrote: > Hi, > > Patch attached. > > It fixes the fate tests. > However, there's a slight bug in the encoder in handling the last frame. > I'll definitely fix it later. > I hope the patch can be merged in this state. [...] > +/** > + *

Re: [FFmpeg-devel] [GSoC] avcodec/als: Add ALS encoder

Hi, On Tue, Oct 4, 2016 at 1:53 AM, Thilo Borgmann wrote: > Hi, > >> Patch attached. >> >> It fixes the fate tests. >> However, there's a slight bug in the encoder in handling the last frame. >> I'll definitely fix it later. >> I hope the patch can be merged in this

Re: [FFmpeg-devel] [GSoC] avcodec/als: Add ALS encoder

Hi, > Patch attached. > > It fixes the fate tests. > However, there's a slight bug in the encoder in handling the last frame. > I'll definitely fix it later. > I hope the patch can be merged in this state. no. The last frame has to be handled properly before merging happens. I'm at LinuxCon &

Re: [FFmpeg-devel] [GSoC] [PATCH 2/2] mlpenc: Working MLP/TrueHD encoder

Jai Luthra wrote: On Sat, Sep 17, 2016 at 05:07:28PM +0100, Andy Furniss wrote: Nice work, this is just a sort of related question really from a user who hasn't taken any notice of TrueHD for a few years. Last I looked I couldn't find much in the way of specs for TrueHD and noticed that the

Re: [FFmpeg-devel] [GSoC] [PATCH 2/2] mlpenc: Working MLP/TrueHD encoder

On Sat, Sep 17, 2016 at 05:07:28PM +0100, Andy Furniss wrote: > Nice work, this is just a sort of related question really from a user > who hasn't taken any notice of TrueHD for a few years. > > Last I looked I couldn't find much in the way of specs for TrueHD and > noticed that the Decoder didn't

Re: [FFmpeg-devel] [GSoC] [PATCH 2/2] mlpenc: Working MLP/TrueHD encoder

Jai Luthra wrote: * Multichannel support for TrueHD is experimental There should be downmix substreams present for 2+ channel bitstreams, but ffmpeg decoder doesn't need it. Will add support for this soon. Nice work, this is just a sort of related question really from a user who hasn't taken

Re: [FFmpeg-devel] [GSoC][PATCH v2 2/2] mlpenc: Working MLP/TrueHD encoder

On 30 August 2016 at 11:23, Jai Luthra wrote: > * Multichannel support for TrueHD is experimental > > There should be downmix substreams present for 2+ channel bitstreams, > but ffmpeg decoder doesn't need it. Will add support for this soon. > > * There might be

[FFmpeg-devel] [GSoC][PATCH v2 2/2] mlpenc: Working MLP/TrueHD encoder

* Multichannel support for TrueHD is experimental There should be downmix substreams present for 2+ channel bitstreams, but ffmpeg decoder doesn't need it. Will add support for this soon. * There might be lossless check failures on LFE channels * 32-bit sample support has been removed

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On Tue, Aug 30, 2016 at 3:13 AM, Davinder Singh wrote: > On Sat, Aug 27, 2016 at 6:15 PM Robert Krüger > wrote: > > > [...] > > what is the way to best contribute with test cases? I have two samples > that > > I use for testing, so far the results

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On Mon, Aug 29, 2016 at 12:20 PM Clément Bœsch wrote: > On Sun, Aug 28, 2016 at 11:31:10AM +0200, Paul B Mahol wrote: > > On Sat, Aug 27, 2016 at 2:45 PM, Robert Krüger > > > wrote: > > > > > > what is the way to best contribute with test cases? I have

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On Sat, Aug 27, 2016 at 6:15 PM Robert Krüger wrote: > [...] > what is the way to best contribute with test cases? I have two samples that > I use for testing, so far the results look very, very promising but there > are still a few artefact problems, so these could

Re: [FFmpeg-devel] [GSOC][PATCH 3/4] median compare function for ffv1 me

On Mon, Aug 29, 2016 at 09:11:25PM +0100, Станислав Долганов wrote: > Info added to codecs.texi please rebase this on git master, most of this patch been applied already thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB There will always be a question for

Re: [FFmpeg-devel] [GSOC][PATCH 3/4] median compare function for ffv1 me

Info added to codecs.texi 2016-08-22 15:43 GMT+01:00 Michael Niedermayer : > On Thu, Aug 18, 2016 at 02:53:29PM +0300, Станислав Долганов wrote: > > Trailing whitespaces were removed. > > > > 2016-08-17 14:07 GMT+03:00 Станислав Долганов < > stanislav.dolga...@gmail.com>

Re: [FFmpeg-devel] [GSoC] avcodec/als: Add ALS encoder

On Mon, Aug 29, 2016 at 10:47:59PM +0530, Umair Khan wrote: > Hi, > > On Sun, Aug 28, 2016 at 4:26 PM, Michael Niedermayer > wrote: > > On Sun, Aug 28, 2016 at 01:34:46PM +0530, Umair Khan wrote: > >> Hi, > >> > >> Patches attached. :) > >> > >> - Umair > > > >>

Re: [FFmpeg-devel] [GSoC] avcodec/als: Add ALS encoder

On 8/29/2016 2:17 PM, Umair Khan wrote: >>> +if (HAVE_MMX) >>> >> +ff_window_init_mmx(wctx); >> > >> > breaks build on non x86 as the function declaration / prototype is >> > not there in that case > What should I do with this then? I'm not too aware of how the whole > code works

Re: [FFmpeg-devel] [GSoC] avcodec/als: Add ALS encoder

Hi, On Sun, Aug 28, 2016 at 4:26 PM, Michael Niedermayer wrote: > On Sun, Aug 28, 2016 at 01:34:46PM +0530, Umair Khan wrote: >> Hi, >> >> Patches attached. :) >> >> - Umair > >> Changelog |1 + >> 1 file changed, 1 insertion(+) >>

Re: [FFmpeg-devel] [GSoC] avcodec/als: Add ALS encoder

> Am 28.08.2016 um 22:11 schrieb Michael Niedermayer : > >> On Sun, Aug 28, 2016 at 09:50:41PM +0200, Hendrik Leppkes wrote: >> On Sun, Aug 28, 2016 at 9:21 PM, Michael Niedermayer >> wrote: >>> On Sun, Aug 28, 2016 at 12:03:38PM -0300, James

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On Sun, Aug 28, 2016 at 11:31:10AM +0200, Paul B Mahol wrote: > On Sat, Aug 27, 2016 at 2:45 PM, Robert Krüger > wrote: > > > > what is the way to best contribute with test cases? I have two samples that > > I use for testing, so far the results look very, very

Re: [FFmpeg-devel] [GSoC] avcodec/als: Add ALS encoder

On Sun, Aug 28, 2016 at 12:03:38PM -0300, James Almer wrote: [...] > Also, the changelog entry line can be part of the encoder patch, no > need to have it separate. actually, i was just thinking having Changelog + version + APIChanges changes separate from the main patch could make sense as these

Re: [FFmpeg-devel] [GSoC] avcodec/als: Add ALS encoder

On 8/28/2016 7:48 AM, Umair Khan wrote: > On Sun, Aug 28, 2016 at 1:56 PM, Paul B Mahol wrote: >> Hi, >> >> On Sun, Aug 28, 2016 at 10:04 AM, Umair Khan wrote: >> >>> Hi, >>> >>> Patches attached. :) >> >> >> Inline asm is unacceptable to get into master. >

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On Sun, Aug 28, 2016 at 11:31 AM, Paul B Mahol wrote: > On Sat, Aug 27, 2016 at 2:45 PM, Robert Krüger > wrote: > > > > what is the way to best contribute with test cases? I have two samples > that > > I use for testing, so far the results look very,

Re: [FFmpeg-devel] [GSoC] avcodec/als: Add ALS encoder

On Sun, Aug 28, 2016 at 01:34:46PM +0530, Umair Khan wrote: > Hi, > > Patches attached. :) > > - Umair > Changelog |1 + > 1 file changed, 1 insertion(+) > d3f30e62d803d967bd5c27dc5dfad278ce5c02e9 > 0001-Changelog-Add-entry-for-ALS-encoder.patch > From

Re: [FFmpeg-devel] [GSoC] avcodec/als: Add ALS encoder

On Sun, Aug 28, 2016 at 12:48 PM, Umair Khan wrote: > On Sun, Aug 28, 2016 at 1:56 PM, Paul B Mahol wrote: >> Hi, >> >> On Sun, Aug 28, 2016 at 10:04 AM, Umair Khan wrote: >> >>> Hi, >>> >>> Patches attached. :) >> >> >> Inline asm is

Re: [FFmpeg-devel] [GSoC] avcodec/als: Add ALS encoder

On Sun, Aug 28, 2016 at 1:56 PM, Paul B Mahol wrote: > Hi, > > On Sun, Aug 28, 2016 at 10:04 AM, Umair Khan wrote: > >> Hi, >> >> Patches attached. :) > > > Inline asm is unacceptable to get into master. How should that case be handled then? - Umair

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On Sat, Aug 27, 2016 at 2:45 PM, Robert Krüger wrote: > > what is the way to best contribute with test cases? I have two samples that > I use for testing, so far the results look very, very promising but there > are still a few artefact problems, so these could maybe

Re: [FFmpeg-devel] [GSoC] [PATCH 1/2] lavc/lpc: Add min_shift parameter in LPC

On Tue, Aug 23, 2016 at 02:32:04AM +0530, Jai Luthra wrote: > The min_shift parameter is needed by the MLP encoder > > Signed-off-by: Jai Luthra > --- > libavcodec/alacenc.c | 4 +++- > libavcodec/flacenc.c | 3 ++- > libavcodec/lpc.c | 13 - >

Re: [FFmpeg-devel] [GSoC] avcodec/als: Add ALS encoder

Hi, On Sun, Aug 28, 2016 at 10:04 AM, Umair Khan wrote: > Hi, > > Patches attached. :) Inline asm is unacceptable to get into master. ___ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org

Re: [FFmpeg-devel] [GSoC] [PATCH 2/2] mlpenc: Working MLP/TrueHD encoder

On Tue, Aug 23, 2016 at 02:33:00AM +0530, Jai Luthra wrote: > * Multichannel support for TrueHD is experimental > > There should be downmix substreams present for 2+ channel bitstreams, > but ffmpeg decoder doesn't need it. Will add support for this soon. > > * There might be lossless

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On Thu, Aug 25, 2016 at 10:28 PM, Davinder Singh wrote: > On Thu, Aug 25, 2016 at 5:01 AM Andy Furniss wrote: > > > > > > > I am testing with a somewhat artificial sample in that it's a framerate > > de-interlace + scale down of a 1080i master, though

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On Thu, Aug 25, 2016 at 08:17:03PM +, Davinder Singh wrote: > On Thu, Aug 25, 2016 at 8:03 PM Michael Niedermayer > wrote: > > > [...] > > > > why do these not try predictors like epzs / umh ? > > i guess some paper doesnt say exlpicitly it should be done > > but

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On Thu, Aug 25, 2016 at 08:17:03PM +, Davinder Singh wrote: > On Thu, Aug 25, 2016 at 8:03 PM Michael Niedermayer > wrote: > > > [...] > > > > why do these not try predictors like epzs / umh ? > > i guess some paper doesnt say exlpicitly it should be done > > but

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On Thu, Aug 25, 2016 at 5:01 AM Andy Furniss wrote: > > > I am testing with a somewhat artificial sample in that it's a framerate > de-interlace + scale down of a 1080i master, though it is "real" in the > sense that I may want to repair similar files where people have

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On Thu, Aug 25, 2016 at 8:03 PM Michael Niedermayer wrote: > [...] > > why do these not try predictors like epzs / umh ? > i guess some paper doesnt say exlpicitly it should be done > but really it should be done for all predictive zonal searches IMO > this should be in

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On Tue, Aug 23, 2016 at 01:17:47PM +, Davinder Singh wrote: > On Tue, Aug 23, 2016 at 5:38 AM Andy Furniss wrote: > > > [...] > > > > Nice I can see the edges are better than the last version. > > > > The doc/filters.texi hunk doesn't apply to git master. > > > > I was

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

Davinder Singh wrote: On Tue, Aug 23, 2016 at 5:38 AM Andy Furniss wrote: [...] Nice I can see the edges are better than the last version. The doc/filters.texi hunk doesn't apply to git master. I was going to post some comparisons with mcfps tonight, but I'll need to

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On Tue, Aug 23, 2016 at 5:38 AM Andy Furniss wrote: > [...] > > Nice I can see the edges are better than the last version. > > The doc/filters.texi hunk doesn't apply to git master. > > I was going to post some comparisons with mcfps tonight, but I'll need > to redo them to

Re: [FFmpeg-devel] [GSoC] Tee muxer improvement project (fifo muxer)

Hello, Jan. On Tuesday, 23 August 2016 at 01:21, Jan Sebechlebsky wrote: > Hello, > > GSoC 2016 is almost over, so I am sending brief summary of the project > (links to my work are at the end of this e-mail). Great write-up. Thank you for participating! [...] > I will try to participate in

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

Davinder Singh wrote: On Wed, Jun 1, 2016 at 4:13 AM Davinder Singh wrote: [...] final patch attached. please review. this includes bug fixes and various other improvements. also added filter docs. Nice I can see the edges are better than the last version. The

[FFmpeg-devel] [GSoC] Tee muxer improvement project (fifo muxer)

Hello, GSoC 2016 is almost over, so I am sending brief summary of the project (links to my work are at the end of this e-mail). Original plan was to improve tee muxer so that: 1. outputs will not block each other (occasional long I/O operation on single output will not delay processing of

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On Wed, Jun 1, 2016 at 4:13 AM Davinder Singh wrote: > [...] > final patch attached. please review. this includes bug fixes and various other improvements. also added filter docs. 0001-added-motion-estimation-and-interpolation-filters-v3F.patch Description: Binary data

[FFmpeg-devel] [GSoC] [PATCH 2/2] mlpenc: Working MLP/TrueHD encoder

* Multichannel support for TrueHD is experimental There should be downmix substreams present for 2+ channel bitstreams, but ffmpeg decoder doesn't need it. Will add support for this soon. * There might be lossless check failures on LFE channels * 32-bit sample support has been removed

[FFmpeg-devel] [GSoC] [PATCH 1/2] lavc/lpc: Add min_shift parameter in LPC

The min_shift parameter is needed by the MLP encoder Signed-off-by: Jai Luthra --- libavcodec/alacenc.c | 4 +++- libavcodec/flacenc.c | 3 ++- libavcodec/lpc.c | 13 - libavcodec/lpc.h | 2 +- libavcodec/ra144enc.c | 2 +- 5 files changed, 15

Re: [FFmpeg-devel] [GSOC][PATCH 3/4] median compare function for ffv1 me

On Thu, Aug 18, 2016 at 02:53:29PM +0300, Станислав Долганов wrote: > Trailing whitespaces were removed. > > 2016-08-17 14:07 GMT+03:00 Станислав Долганов > : > > > Hello, > > > > I'm sending the patch set with implementation of GSoC project -- FFV1 P > > frame

Re: [FFmpeg-devel] [GSOC][PATCH 1/4] factoring obmc out of snow

On Sun, Aug 21, 2016 at 09:32:31AM +0300, Станислав Долганов wrote: > Sorry, I forgot to return ok from encode init. Here updated patch. > > 2016-08-20 23:44 GMT+03:00 Michael Niedermayer : > > > On Sat, Aug 20, 2016 at 11:01:29PM +0300, Станислав Долганов wrote: > > >

Re: [FFmpeg-devel] [GSOC][PATCH 2/4] FFV1 p frames

On Sat, Aug 20, 2016 at 10:45:59PM +0200, Moritz Barsnick wrote: > On Sat, Aug 20, 2016 at 13:10:56 +0200, Michael Niedermayer wrote: > > On Thu, Aug 18, 2016 at 08:50:08PM +0200, Moritz Barsnick wrote: > > > This code is based on libavcodec/snowdec.c:static int decode_q_branch > > Fixing

Re: [FFmpeg-devel] [GSOC][PATCH 2/4] FFV1 p frames

On Sat, Aug 20, 2016 at 13:10:56 +0200, Michael Niedermayer wrote: > On Thu, Aug 18, 2016 at 08:50:08PM +0200, Moritz Barsnick wrote: > This code is based on libavcodec/snowdec.c:static int decode_q_branch > Fixing formating is very welcome but it should be in a seperate patch I thought it was

Re: [FFmpeg-devel] [GSOC][PATCH 1/4] factoring obmc out of snow

On Sat, Aug 20, 2016 at 11:01:29PM +0300, Станислав Долганов wrote: > Fixed it. breaks fate (this worked with the previous patch) make: *** [fate-vsynth1-snow] Error 139 make: *** [fate-vsynth1-snow-hpel] Error 139 make: *** [fate-vsynth1-snow-ll] Error 139 make: *** [fate-filter-mcdeint-fast]

Re: [FFmpeg-devel] [GSOC][PATCH 2/4] FFV1 p frames

More error handling based on snow decoder errors from patch 1 discussion. 2016-08-20 14:10 GMT+03:00 Michael Niedermayer : > On Thu, Aug 18, 2016 at 08:50:08PM +0200, Moritz Barsnick wrote: > > On Thu, Aug 18, 2016 at 14:49:28 +0300, Станислав Долганов wrote: > > > > >

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On Sat, Aug 20, 2016 at 06:39:17PM +, Davinder Singh wrote: > On Sat, Aug 20, 2016 at 5:45 PM Michael Niedermayer > wrote: > > > how does it perform with matrixbench instead of BBB ? > > > > as reference 100fps matrixbench generated with mcfps > > from

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On Sat, Aug 20, 2016 at 5:45 PM Michael Niedermayer wrote: > how does it perform with matrixbench instead of BBB ? > > as reference 100fps matrixbench generated with mcfps > from https://github.com/michaelni/FFmpeg/tree/mcfps > ./ffmpeg -i matrixbench_mpeg2.mpg -vf

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On Fri, Aug 19, 2016 at 7:59 PM Robert Krüger wrote: > [...] Impressive results, great job! thanks :) > > I just tried minterpolate=fps=250:mc_mode=aobmc:me=epzs and did have some > artefacts in one of my slowmo samples but overall the quality is very, very > nice!

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On Thu, Aug 18, 2016 at 07:26:39PM +, Davinder Singh wrote: > On Thu, Aug 18, 2016 at 11:52 PM Paul B Mahol wrote: > > > [...] > > > > i tried to modify EPZS. i removed the early termination threshold which > skip some predictors :-/ > new score: > $ tiny_psnr

Re: [FFmpeg-devel] [GSOC][PATCH 1/4] factoring obmc out of snow

On Fri, Aug 19, 2016 at 05:07:01PM +0300, Станислав Долганов wrote: > New fixes heres another crash: http://ffmpeg.org/~michael/snow-chroma-bug-fuzzed2.avi zzuf -c -s116 -r0.001 ./ffmpeg_g -i snow-chroma-bug.avi -f null - #0 ff_emu_edge_vfix15_mmx () at libavcodec/x86/videodsp.asm:340 #1

Re: [FFmpeg-devel] [GSOC][PATCH 2/4] FFV1 p frames

On Thu, Aug 18, 2016 at 08:50:08PM +0200, Moritz Barsnick wrote: > On Thu, Aug 18, 2016 at 14:49:28 +0300, Станислав Долганов wrote: > > > +static int decode_q_branch(FFV1Context *f, int level, int x, int y){ > > +RangeCoder *const c = >slice_context[0]->c; > > +OBMCContext *s = >obmc; >

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On Fri, Aug 19, 2016 at 4:17 PM, Paul B Mahol wrote: > On 8/19/16, Davinder Singh wrote: > > On Fri, Aug 19, 2016 at 3:27 AM Paul B Mahol wrote: > > > >> On 8/18/16, Paul B Mahol wrote: > >> > On 8/18/16, Davinder

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On 8/19/16, Davinder Singh wrote: > On Fri, Aug 19, 2016 at 3:27 AM Paul B Mahol wrote: > >> On 8/18/16, Paul B Mahol wrote: >> > On 8/18/16, Davinder Singh wrote: >> >> On Thu, Aug 18, 2016 at 11:52 PM Paul B Mahol

Re: [FFmpeg-devel] [GSOC][PATCH 2/4] FFV1 p frames

Fix some problems. 2016-08-18 21:50 GMT+03:00 Moritz Barsnick : > On Thu, Aug 18, 2016 at 14:49:28 +0300, Станислав Долганов wrote: > > > +static int decode_q_branch(FFV1Context *f, int level, int x, int y){ > > +RangeCoder *const c = >slice_context[0]->c; > > +

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On Fri, Aug 19, 2016 at 11:19:22 +, Davinder Singh wrote: > > Same here and many other places. "!=" is a valid operator. ;) > > yes, that would be in case of == operator, not = operator, no? D'uh, stupid me, I missed that. Sorry! > will do. can you tell which is faster? I *believe*

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On Fri, Aug 19, 2016 at 3:27 AM Paul B Mahol wrote: > On 8/18/16, Paul B Mahol wrote: > > On 8/18/16, Davinder Singh wrote: > >> On Thu, Aug 18, 2016 at 11:52 PM Paul B Mahol wrote: > >> > >>> [...] > >>> > >> > >> i

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On Fri, Aug 19, 2016 at 1:50 AM Moritz Barsnick wrote: > On Thu, Aug 18, 2016 at 19:26:39 +, Davinder Singh wrote: > > > +@table @option > > +@item algo > > +Set the algorithm to be used. Accepts one of the following values: > > + > > +@table @samp > > +@item ebma > >

Re: [FFmpeg-devel] [GSOC][PATCH 1/4] factoring obmc out of snow

On Thu, Aug 18, 2016 at 02:48:40PM +0300, Станислав Долганов wrote: > Seem like this fixes it. still crashes zzuf -c -s0: -r0.01 ./ffmpeg -i snow-chroma-bug.avi -f null - ... [avi @ 0x3e20e40] Something went wrong during header parsing, I will ignore it and try to continue anyway. Truncating

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On 8/18/16, Paul B Mahol wrote: > On 8/18/16, Davinder Singh wrote: >> On Thu, Aug 18, 2016 at 11:52 PM Paul B Mahol wrote: >> >>> [...] >>> >> >> i tried to modify EPZS. i removed the early termination threshold which >> skip some

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On 8/18/16, Davinder Singh wrote: > On Thu, Aug 18, 2016 at 11:52 PM Paul B Mahol wrote: > >> [...] >> > > i tried to modify EPZS. i removed the early termination threshold which > skip some predictors :-/ > new score: > $ tiny_psnr 60_source_2.yuv

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On Thu, Aug 18, 2016 at 19:26:39 +, Davinder Singh wrote: > +@table @option > +@item algo > +Set the algorithm to be used. Accepts one of the following values: > + > +@table @samp > +@item ebma > +Exhaustive block matching algorithm. > +@end table > +Default value is @samp{ebma}. [...] > +

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On Thu, Aug 18, 2016 at 11:52 PM Paul B Mahol wrote: > [...] > i tried to modify EPZS. i removed the early termination threshold which skip some predictors :-/ new score: $ tiny_psnr 60_source_2.yuv 60_bbb.yuv stddev: 1.02 PSNR: 47.94 MAXDIFF: 186 bytes:476928000/474163200

Re: [FFmpeg-devel] [GSOC][PATCH 2/4] FFV1 p frames

On Thu, Aug 18, 2016 at 14:49:28 +0300, Станислав Долганов wrote: > +static int decode_q_branch(FFV1Context *f, int level, int x, int y){ > +RangeCoder *const c = >slice_context[0]->c; > +OBMCContext *s = >obmc; > +const int w= s->b_width << s->block_max_depth; This whole function

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On 8/18/16, Davinder Singh wrote: > On Tue, Aug 16, 2016 at 1:47 AM Paul B Mahol wrote: > >> [...] > > > hi, > > made EPZS work correctly: > https://github.com/dsmudhar/FFmpeg/commit/0fc7a5490252a7f9832775b2773b35a42025553b > also reduced no of repeated

Re: [FFmpeg-devel] [GSoC] Motion Interpolation

On Tue, Aug 16, 2016 at 1:47 AM Paul B Mahol wrote: > [...] hi, made EPZS work correctly: https://github.com/dsmudhar/FFmpeg/commit/0fc7a5490252a7f9832775b2773b35a42025553b also reduced no of repeated predictors which increased the speed also. > What about artifacts with

Re: [FFmpeg-devel] [GSOC][PATCH 1/4] factoring obmc out of snow

On Wed, Aug 17, 2016 at 02:07:20PM +0300, Станислав Долганов wrote: > Hello, > > I'm sending the patch set with implementation of GSoC project -- FFV1 P > frame support. The current FFV1 uses the same OBMC code as the Snow codec. > Also new median_me_mp function has appeared. > > I'm attaching

Re: [FFmpeg-devel] [GSOC][PATCH 3/4] median compare function for ffv1 me

Trailing whitespaces were removed. 2016-08-17 14:07 GMT+03:00 Станислав Долганов : > Hello, > > I'm sending the patch set with implementation of GSoC project -- FFV1 P > frame support. The current FFV1 uses the same OBMC code as the Snow > codec. Also new

Re: [FFmpeg-devel] [GSOC][PATCH 2/4] FFV1 p frames

Tried to tune up to newest version + some fixes. 2016-08-18 4:47 GMT+03:00 Michael Niedermayer : > On Wed, Aug 17, 2016 at 02:07:24PM +0300, Станислав Долганов wrote: > > Hello, > > > > I'm sending the patch set with implementation of GSoC project -- FFV1 P > > frame

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