[Ffmpeg-devel] Re: ffmpeg-devel Digest, Vol 19, Issue 14
Rakesh Venkat
rakesh09
Mon Oct 2 18:13:54 CEST 2006
please unsubscribe me, for chrissake. chris, is my younger brother
On 10/2/06, ffmpeg-devel-request at mplayerhq.hu <
ffmpeg-devel-request at mplayerhq.hu> wrote:
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> Today's Topics:
>
> 1. Re: [PATCH] ac3 decoder (Justin Ruggles)
> 2. Re: Undefined reference to mpegts_parse_open/close/packet
> (Unga)
> 3. Please do not commit anything to ffmpeg in the next ~20
> minutes (Oded Shimon)
> 4. Re: Please do not commit anything to ffmpeg in the next ~20
> minutes (Oded Shimon)
> 5. Re: [PATCH] Vorbis Encoder (Oded Shimon)
> 6. Re: a52 and ffmpeg issue (Borat)
> 7. Re: [PATCH] Vorbis Encoder (Diego Biurrun)
> 8. Re: Undefined reference to mpegts_parse_open/close/packet
> (Diego Biurrun)
> 9. Re: [PATCH] make postproc use avutil features (cleanup part 1
> of many) (Luca Barbato)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sun, 01 Oct 2006 20:43:58 -0400
> From: Justin Ruggles <jruggle at earthlink.net>
> Subject: Re: [Ffmpeg-devel] [PATCH] ac3 decoder
> To: FFMpeg development discussions and patches
> <ffmpeg-devel at mplayerhq.hu>
> Message-ID: <452060CE.6080005 at earthlink.net>
> Content-Type: text/plain; charset=ISO-8859-1
>
> Michael Niedermayer wrote:
> > Hi
> >
> > On Sun, Oct 01, 2006 at 06:00:26PM -0400, Justin Ruggles wrote:
> >
> >>Justin Ruggles wrote:
> >>
> >>>Benjamin Larsson wrote:
> >>>
> >>>
> >>>>Agree, I think this is a leftover from the development process.
> >>>
> >>>
> >>>I think I've narrowed the problem down to the recent change to
> >>>initializes AVCodecContext with the AVOption defaults. Prior to that,
> >>>avctx->channels was set to zero (by memset). Now that it is set to 1,
> >>>the ac3 parser thinks the user manually set it, so it does not override
> >>>it with the value from the ac3 header.
> >>>
> >>>Given that, I don't know how the parser could determine if the mono
> >>>downmix is a user request or just the default... If there is no way
> >>>around this, maybe the parser should be changed to always leave the
> >>>number of channels alone and force the user to set it?
> >>
> >>This patch makes things work as expected.
> >
> >
> > wont it break >2 channel ac3 transcoding to 1/2 channels?
> >
> > [...]
>
> Changing the AVOption default for ac from 1 to 0 seems to solve this,
> and I have yet to find any side effects.
>
> -Justin
>
>
> ------------------------------
>
> Message: 2
> Date: Sun, 1 Oct 2006 19:45:38 -0700 (PDT)
> From: Unga <unga888 at yahoo.com>
> Subject: Re: [Ffmpeg-devel] Undefined reference to
> mpegts_parse_open/close/packet
> To: FFMpeg development discussions and patches
> <ffmpeg-devel at mplayerhq.hu>
> Message-ID: <20061002024538.19422.qmail at web57010.mail.re3.yahoo.com>
> Content-Type: text/plain; charset=iso-8859-1
>
>
> --- Diego Biurrun <diego at biurrun.de> wrote:
>
> > On Sun, Oct 01, 2006 at 07:29:40AM -0700, Unga
> > wrote:
> > > --- Unga <unga888 at yahoo.com> wrote:
> > >
> > > > Have I missed anything? Btw, I need to drop
> > patented
> > > > codecs.
> > >
> > > Anybody kind enough to help to build ffmpeg
> > without
> > > patented codecs?
> >
> > Pass the following two options to configure:
> > --disable-encoders --disable-decoders
> >
>
> Hi Diego
>
> Thank you very much for the reply. But sad to note you
> have not read my email in full. The very first thing I
> passed to configure are the --disable-encoders
> --disable-decoders!
>
> The issue is after I disable all encoders, decoders,
> muxers, demuxers and parsers and enable them for open
> codecs, the ffmpeg build fails with reference to
> mpegts functions. Why don't you build the SVN version
> of ffmpeg and see what I'm saying?
>
> Is the ffmpeg hardwired to mpegts? The ffmpeg project
> description says **FFmpeg is a complete solution to
> record, convert and stream audio and video.** It
> doesn't say its a complete solution for MPEG streams
> only!
>
> Regards
> Unga
>
> __________________________________________________
> Do You Yahoo!?
> Tired of spam? Yahoo! Mail has the best spam protection around
> http://mail.yahoo.com
>
>
> ------------------------------
>
> Message: 3
> Date: Mon, 2 Oct 2006 07:54:17 +0200
> From: Oded Shimon <ods15 at ods15.dyndns.org>
> Subject: [Ffmpeg-devel] Please do not commit anything to ffmpeg in the
> next ~20 minutes
> To: FFMpeg development discussions and patches
> <ffmpeg-devel at mplayerhq.hu>
> Message-ID: <20061002055417.GV6927 at crate15>
> Content-Type: text/plain; charset=us-ascii
>
> I'm starting a commit flood for vorbis_enc, i figure it will take 20
> minutes, just to be safe, don't commit anything in that while...
>
> - ods15
>
>
> ------------------------------
>
> Message: 4
> Date: Mon, 2 Oct 2006 08:18:47 +0200
> From: Oded Shimon <ods15 at ods15.dyndns.org>
> Subject: Re: [Ffmpeg-devel] Please do not commit anything to ffmpeg in
> the next ~20 minutes
> To: FFMpeg development discussions and patches
> <ffmpeg-devel at mplayerhq.hu>
> Message-ID: <20061002061847.GW6927 at crate15>
> Content-Type: text/plain; charset=us-ascii
>
> On Mon, Oct 02, 2006 at 07:54:17AM +0200, Oded Shimon wrote:
> > I'm starting a commit flood for vorbis_enc, i figure it will take 20
> > minutes, just to be safe, don't commit anything in that while...
>
> OK, done.. Only trouble I ran into was suddenly there being tabs in the
> file :( I had to fix all the patches manually...
>
> - ods15
>
>
> ------------------------------
>
> Message: 5
> Date: Mon, 2 Oct 2006 08:19:15 +0200
> From: Oded Shimon <ods15 at ods15.dyndns.org>
> Subject: Re: [Ffmpeg-devel] [PATCH] Vorbis Encoder
> To: FFMpeg development discussions and patches
> <ffmpeg-devel at mplayerhq.hu>
> Message-ID: <20061002061915.GX6927 at crate15>
> Content-Type: text/plain; charset=us-ascii
>
> On Sun, Oct 01, 2006 at 09:41:21PM +0200, Oded Shimon wrote:
> > On Sun, Oct 01, 2006 at 09:19:56PM +0200, Michael Niedermayer wrote:
> > > except these iam ok with seeing this applied to svn, it still needs
> > > some cleanup work but that can be done in ffmpeg-svn
> >
> > I'll commit tommorrow morning...
>
> Committed
>
> - ods15
>
>
> ------------------------------
>
> Message: 6
> Date: Mon, 2 Oct 2006 10:58:06 +0200
> From: Borat <borat at subsense.com>
> Subject: Re: [Ffmpeg-devel] a52 and ffmpeg issue
> To: FFMpeg development discussions and patches
> <ffmpeg-devel at mplayerhq.hu>
> Message-ID: <1868058054.20061002105806 at subsense.com>
> Content-Type: text/plain; charset=us-ascii
>
> Jim Dishaw wrote:
>
> > If I use -acodec copy, there is no audio on playback.
>
> > ffmpeg -i test.vob -vcodec copy -scodec copy -acodec copy -y test.mpeg
>
> > Input #0, mpeg, from 'test.vob':
> > Duration: 00:00:13.5, start: 0.201589, bitrate: 6062 kb/s
> > Stream #0.0[0x1e0]: Video: mpeg2video, yuv420p, 720x480, 9800 kb/s,
> 59.94 fps(r)
> > Stream #0.1[0x80]: Audio: ac3, 48000 Hz, mono, 448 kb/s
>
> Also, in recent ffmpeg revisions the audio is shown as mono although
> it is stereo:
>
> ffmpeg6375 -i VTS_01_1.VOB 2>&1 | sed -n '/^Input /,$p'
>
> Input #0, mpeg, from 'VTS_01_1.VOB':
> Duration: 00:02:19.3, start: 0.287267, bitrate: 7215 kb/s
> Stream #0.0[0x1e0]: Video: mpeg2video, 1.#J fps(c)
> ^^^^ <-- there is also something
> wrong
> Stream #0.1[0x80]: Audio: ac3, 48000 Hz, mono, 256 kb/s
> ^^^^
> Stream #0.2[0x20]: Subtitle: dvdsub
> Must supply at least one output file
>
> Older revisions reported the ac3 audio properties properly:
>
> ffmpeg6218 -i VTS_01_1.VOB 2>&1 | sed -n '/^Input /,$p'
>
> Input #0, mpeg, from 'VTS_01_1.VOB':
> Duration: 00:02:19.3, start: 0.287267, bitrate: 7215 kb/s
> Stream #0.0[0x1e0]: Video: mpeg2video, yuv420p, 720x576, 8700 kb/s,
> 25.00 fps(r)
> Stream #0.1[0x80]: Audio: ac3, 48000 Hz, stereo, 256 kb/s
> ^^^^^^
> Stream #0.2[0x20]: Subtitle: dvdsub
> Must supply at least one output file
>
> Also, could anybody please tell what's the different between "fps(c)"
> (as printed by rv 6375) and "fps(r)" (rv 6218)?
>
> --
> regards,
> B.
>
>
>
> ------------------------------
>
> Message: 7
> Date: Mon, 2 Oct 2006 11:49:32 +0200
> From: Diego Biurrun <diego at biurrun.de>
> Subject: Re: [Ffmpeg-devel] [PATCH] Vorbis Encoder
> To: FFMpeg development discussions and patches
> <ffmpeg-devel at mplayerhq.hu>
> Message-ID: <20061002094932.GA2172 at biurrun.de>
> Content-Type: text/plain; charset=us-ascii
>
> On Mon, Oct 02, 2006 at 08:19:15AM +0200, Oded Shimon wrote:
> > On Sun, Oct 01, 2006 at 09:41:21PM +0200, Oded Shimon wrote:
> > > On Sun, Oct 01, 2006 at 09:19:56PM +0200, Michael Niedermayer wrote:
> > > > except these iam ok with seeing this applied to svn, it still needs
> > > > some cleanup work but that can be done in ffmpeg-svn
> > >
> > > I'll commit tommorrow morning...
> >
> > Committed
>
> Please add a note to the changelog and update the MAINTAINERS file.
>
> Diego
>
>
> ------------------------------
>
> Message: 8
> Date: Mon, 2 Oct 2006 11:51:49 +0200
> From: Diego Biurrun <diego at biurrun.de>
> Subject: Re: [Ffmpeg-devel] Undefined reference to
> mpegts_parse_open/close/packet
> To: FFMpeg development discussions and patches
> <ffmpeg-devel at mplayerhq.hu>
> Message-ID: <20061002095149.GB2172 at biurrun.de>
> Content-Type: text/plain; charset=us-ascii
>
> On Sun, Oct 01, 2006 at 07:45:38PM -0700, Unga wrote:
> >
> > --- Diego Biurrun <diego at biurrun.de> wrote:
> >
> > > On Sun, Oct 01, 2006 at 07:29:40AM -0700, Unga
> > > wrote:
> > > > --- Unga <unga888 at yahoo.com> wrote:
> > > >
> > > > > Have I missed anything? Btw, I need to drop
> > > > > patented codecs.
> > > >
> > > > Anybody kind enough to help to build ffmpeg
> > > > without patented codecs?
> > >
> > > Pass the following two options to configure:
> > > --disable-encoders --disable-decoders
> >
> > Thank you very much for the reply. But sad to note you
> > have not read my email in full. The very first thing I
> > passed to configure are the --disable-encoders
> > --disable-decoders!
> >
> > The issue is after I disable all encoders, decoders,
> > muxers, demuxers and parsers and enable them for open
> > codecs, the ffmpeg build fails with reference to
> > mpegts functions. Why don't you build the SVN version
> > of ffmpeg and see what I'm saying?
>
> If you wish to get rid of patented codecs, the solution is to disable
> *all*, not enable a few select ones.
>
> Diego
>
>
> ------------------------------
>
> Message: 9
> Date: Mon, 02 Oct 2006 11:52:21 +0200
> From: Luca Barbato <lu_zero at gentoo.org>
> Subject: Re: [Ffmpeg-devel] [PATCH] make postproc use avutil features
> (cleanup part 1 of many)
> To: FFMpeg development discussions and patches
> <ffmpeg-devel at mplayerhq.hu>
> Message-ID: <4520E155.9020109 at gentoo.org>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Luca Barbato wrote:
> > Michael Niedermayer wrote:
> >> Hi
> >>
> >
> > Fixed the latest bits, I'll check later the alignment.
> >
> > lu
> >
>
> With a patch attached works better...
>
> lu
>
> --
>
> Luca Barbato
>
> Gentoo/linux Gentoo/PPC
> http://dev.gentoo.org/~lu_zero
>
> -------------- next part --------------
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>
> ------------------------------
>
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>
> End of ffmpeg-devel Digest, Vol 19, Issue 14
> ********************************************
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