Re: [Libav-user] [FFmpeg-devel] ffpreset

2015-03-31 Thread Michael Niedermayer
On Tue, Mar 31, 2015 at 04:24:07PM +0200, Clément Champetier wrote: > Hello, > > I work on an opensource project, AvTranscoder ( > https://github.com/mikrosimage/avTranscoder), which is basically a project > to give a high level API of ffmpeg in C++, Java and python. > > To easily launch some enc

Re: [Libav-user] [FFmpeg-devel] FFmpeg and OPW

2014-08-07 Thread Michael Niedermayer
Hi all On Fri, Aug 01, 2014 at 03:16:31AM +0200, Michael Niedermayer wrote: > Hi all > > OPW (Outreach Program for Women) is twice per year (compared to google > summer of code which is just once a year) > > FFmpeg can participate in the next round but we need to fund a

[Libav-user] FFmpeg and OPW

2014-07-31 Thread Michael Niedermayer
Hi all OPW (Outreach Program for Women) is twice per year (compared to google summer of code which is just once a year) FFmpeg can participate in the next round but we need to fund at least 1 intern/student (6250 USD) for that. OPW is not run by a large corporation with deep pockets. Thus my mai

Re: [Libav-user] [Audacity-devel] Requesting help to port Audacity to recent FFmpeg

2014-05-24 Thread Michael Niedermayer
On Fri, May 23, 2014 at 11:23:17PM +0200, Benjamin Drung wrote: > Hi Michael, > > Am Mittwoch, den 21.05.2014, 02:16 +0200 schrieb Michael Niedermayer: > > > I like to commit your > > > work to the Audacity SVN so that we have both - support for FFmpeg and > >

Re: [Libav-user] [Audacity-devel] Requesting help to port Audacity to recent FFmpeg

2014-05-22 Thread Michael Niedermayer
Hi On Thu, May 22, 2014 at 04:57:43AM +0100, Gale Andrews wrote: > > | From Michael Niedermayer > | Wed, 21 May 2014 15:26:21 +0200 > | Subject: [Audacity-devel] [Libav-user] Requesting help to port Audacity to > recent FFmpeg > > On Wed, May 21, 2014 at 01:39:46AM +01

Re: [Libav-user] [Audacity-devel] Requesting help to port Audacity to recent FFmpeg

2014-05-21 Thread Michael Niedermayer
t can be simplified in it, and the amount of "api-hassle" there would be in the future should be alot less when the interface is using only what it actually needs to > > TTFN > Martyn > > On 20/05/2014 09:14, Richard Ash wrote: > > On Wed, 14 May 2014 19:27:38 +

Re: [Libav-user] [Audacity-devel] Requesting help to port Audacity to recent FFmpeg

2014-05-20 Thread Michael Niedermayer
Hi On Tue, May 20, 2014 at 11:41:53PM +0200, Benjamin Drung wrote: [...] > > > As a result of this problem, one of the Audacity contributors, Leyland > > > Lucius, has been perusing the use of Gstreamer as an abstraction layer > > > for ffmpeg. This work has recently arrived in Audacity SVN, so yo

Re: [Libav-user] [Audacity-devel] Requesting help to port Audacity to recent FFmpeg

2014-05-20 Thread Michael Niedermayer
Hi On Tue, May 20, 2014 at 09:14:33AM +0100, Richard Ash wrote: > On Wed, 14 May 2014 19:27:38 +0200 > Michael Niedermayer wrote: > > On Sun, May 11, 2014 at 09:16:29PM +0200, Benjamin Drung wrote: > > > That's why I send this mail to this mailing list to request help.

Re: [Libav-user] Requesting help to port Audacity to recent FFmpeg

2014-05-17 Thread Michael Niedermayer
On Wed, May 14, 2014 at 04:41:54PM -0300, Claudio Freire wrote: > On Wed, May 14, 2014 at 2:27 PM, Michael Niedermayer wrote: > > diff --git a/libavformat/libavformat.v b/libavformat/libavformat.v > > index 0b47668..0d5d3b0 100644 > > --- a/libavformat/libavformat.v

Re: [Libav-user] Requesting help to port Audacity to recent FFmpeg

2014-05-14 Thread Michael Niedermayer
Hi On Sun, May 11, 2014 at 09:16:29PM +0200, Benjamin Drung wrote: > Hi, > > Audacity, the digital audio editor used by millions, has import/export > support for a wide range of audio formats using the FFmpeg libraries. > Audacity compiles only against FFmpeg < 1.0 [1]. The FFmpeg libraries > hav

Re: [Libav-user] Reference app with ffmpeg n1.2 libs that works on IOS ?

2013-04-02 Thread Michael Niedermayer
On Tue, Apr 02, 2013 at 08:38:18PM +0200, Lars Hammarstrand wrote: > 2013/4/2 Carl Eugen Hoyos > > > Lars Hammarstrand writes: > > > > > (gdb) disass $pc-32,$pc+32 > > > > Please add the register dump, some developers can > > see the problem if it is present. > > > > > > Complete trace: > $ *un

Re: [Libav-user] ff_log2_tab defined multiple times in the fmpeg 1.1 libraries, bug or feature ??

2013-02-13 Thread Michael Niedermayer
On Wed, Feb 13, 2013 at 08:16:14PM +0100, Lars Hammarstrand wrote: > Hello Michael - great news, thank you very much !! Which branch and repo > is this patch applied to? /Thanks in advance, Lars. patch is based on master, its not applied yet [...] -- Michael GnuPG fingerprint: 9FF2128B147EF

Re: [Libav-user] ff_log2_tab defined multiple times in the fmpeg 1.1 libraries, bug or feature ??

2013-02-13 Thread Michael Niedermayer
Hi On Wed, Feb 13, 2013 at 04:36:38PM +0100, Lars Hammarstrand wrote: > Hello, can someone please explain the reason (and how to cope with) that * > ff_log2_tab* is defined multiple times with *#include "libavutil/log2_tab.c*" > in the ffmpeg v1.1 libraries like libavcodec 54.91.102 and companions

Re: [Libav-user] avcodec_flush_buffers on looping

2012-09-04 Thread Michael Niedermayer
On Mon, Sep 03, 2012 at 01:11:58PM +0200, Moises Ferrer Serra wrote: > Hello, > > I have a working implementation of clip playback with ffmpeg, but I > am finding some problems with looping. The documentation states that > avcodec_flush_buffers should be called when seeking, but I was > wondering

Re: [Libav-user] [FFmpeg-devel] MOV and custom IO

2012-07-24 Thread Michael Niedermayer
On Sun, Jul 22, 2012 at 02:01:02PM +0100, David Rodrigues wrote: > Hi everyone. > > I've written some code to change the video container from MOV to MPEG-TS > using ffmpeg API successfully. I'm using physical files. > > Now i have to change my input from file to custom IO. I changed the code fo

Re: [Libav-user] sws_setColorspaceDetails parameters for colorspace conversions

2012-07-18 Thread Michael Niedermayer
On Sun, Jul 08, 2012 at 01:04:17PM +0200, Robert Krüger wrote: > Hi, > > I'm trying to do a colorspace conversion using libswscale. The > documentation for sws_setColorspaceDetails doesn't have all params > documented: added docs for the rest, but note converting between different types of YUV ma

Re: [Libav-user] Crash/access violation when flushing when encoding audio

2012-06-27 Thread Michael Niedermayer
On Tue, Jun 26, 2012 at 03:38:47PM -0600, Michael Bradshaw wrote: > On Tue, Jun 26, 2012 at 2:16 PM, Michael Bradshaw > wrote: > > Hi, > > > > I'm encoding an AMR-NB stream, and I see that the libopen-core-amrnb > > encoder has the CODEC_CAP_DELAY capability set. If I call > > avcodec_encode_audio

Re: [Libav-user] How to know if lavf guessed the duration from the bitrate or not?

2012-06-12 Thread Michael Niedermayer
On Tue, Jun 12, 2012 at 11:44:03AM -0600, Michael Bradshaw wrote: > avformat_find_stream_info() attempts to find the file's and streams' > durations, but it will guess them based on the bitrate if it can't > determine the actual duration. This guess can be useful, but I need to > be able to know if

Re: [Libav-user] problems on windows cross compile

2012-01-18 Thread Michael Niedermayer
On Mon, Jan 09, 2012 at 04:02:30PM -0300, Gonzalo Garramuno wrote: > I have been trying to compile ffmpeg for windows either as a cross compile > from linux. > Under the cross compile all compiles fine, but the resulting dlls crash on > some movies and ffmpeg reports that the compiler did not align

Re: [Libav-user] High CPU load for parsing MPEG-TS

2012-01-18 Thread Michael Niedermayer
On Thu, Nov 17, 2011 at 08:48:15PM +, Andrea3000 wrote: > I use latest git version of FFmpeg API as parser in my > media player app (not as decoder). > It works great with every format/codec/muxer/ecc.. > > The only annoying thing is that with around 50%-60% of > MPEG-TS file that I've teste

[Libav-user] FFmpeg at Chemnitzer Linux-Tage

2012-01-16 Thread Michael Niedermayer
From: Alexander Strasser We happily announce that FFmpeg will be represented at `Chemnitzer Linux-Tage' in Chemnitz, Germany. The event will take place on 17th and 18th of March. More information can be found here: http://chemnitzer.linux-tage.de/2012/info/index?cookielang=en We hereby

Re: [Libav-user] converting pcm sample rate

2011-11-04 Thread Michael Niedermayer
On Wed, Nov 02, 2011 at 05:48:16PM +0700, Anton Adamansky wrote: > Hello! > > I'm converting sample rate for raw pcm buffer: > > input:2ch, in_srate: 22050 sample: 16bits > output: 2ch, out_srate: 44100 sample: 16bits > > So I'm using swr_convert() function: > > int out_samples = >

Re: [Libav-user] avcodec_encode_audio() usage

2011-10-17 Thread Michael Niedermayer
On Wed, Oct 12, 2011 at 08:05:44AM +0200, Marlon Reid wrote: > Hi, > > I have a small application that takes a raw pcm stream, encodes it to > mp3 and streams it to something like VLC. I am however havinging issues > with encoding my raw pcm stream. The problem is that my outbuf from > avcodec_enc

Re: [Libav-user] H264 encoding: set target average bitrate

2011-10-17 Thread Michael Niedermayer
On Mon, Oct 17, 2011 at 07:12:54PM +0300, Andrey Utkin wrote: > Hi. > I do encoding h264 video in my app that uses libavcodec (git almost > HEAD (f22bc68 Oct, 7), x264 git almost HEAD too(8a62835 Sep, 14)). I > set to output AVCodecContext options bit_rate, rc_buffer_size, > rc_max_rate, rc_min_rat