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Jon Drukman | 1 Jul 02:26
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Re: [Ffmpeg-user] 3gp to mp4

iffmpeg wrote:
> I want to convert videos so that i can play them in my 5.5G video iPod. 
> When I do:  
> ffmpeg -i x.3gp -sameq y.mp4
> or 
> ffmpeg -i x.3gp y.mp4
> I get an error: Unable to find a suitable output format for 'pipe:'
> 
> Here are the complete specs:
> 
>  ffmpeg - i x.3gp 
> FFmpeg version 0.5, Copyright (c) 2000-2009 Fabrice Bellard, et al.

This is weird - where did you get version 0.5 from?  Mine says
FFmpeg version SVN-r19266, Copyright (c) 2000-2009 Fabrice Bellard, et al.

> Please help me. I don't know much about video encoding.

The following command worked for me:

ffmpeg -i test.3gp -sameq -ab 64k -ar 44100 test.mp4

-jsd-
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iffmpeg | 1 Jul 02:56
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Re: [Ffmpeg-user] 3gp to mp4


This is weird - where did you get version 0.5 from?  Mine says
FFmpeg version SVN-r19266, Copyright (c) 2000-2009 Fabrice Bellard, et al.

i am on mac os.

> Please help me. I don't know much about video encoding.

The following command worked for me:

ffmpeg -i test.3gp -sameq -ab 64k -ar 44100 test.mp4
does not work for me:
ffmpeg -i "x.3gp" -sameq -ab 64k -ar 44100 test.mp4 
FFmpeg version 0.5, Copyright (c) 2000-2009 Fabrice Bellard, et al.
  configuration: --prefix=/opt/local --disable-vhook --enable-gpl
--enable-postproc --enable-swscale --enable-avfilter --enable-avfilter-lavf
--enable-libmp3lame --enable-libvorbis --enable-libtheora --enable-libdirac
--enable-libschroedinger --enable-libfaac --enable-libfaad --enable-libxvid
--enable-libx264 --mandir=/opt/local/share/man --enable-shared
--enable-pthreads --cc=gcc-4.0
  libavutil     49.15. 0 / 49.15. 0
  libavcodec    52.20. 0 / 52.20. 0
  libavformat   52.31. 0 / 52.31. 0
  libavdevice   52. 1. 0 / 52. 1. 0
  libavfilter    1. 4. 0 /  1. 4. 0
  libswscale     1. 7. 1 /  1. 7. 1
  libpostproc   51. 2. 0 / 51. 2. 0
  built on Jun 24 2009 00:56:01, gcc: 4.0.1 (Apple Inc. build 5490)
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'x.3gp':
  Duration: 00:22:00.13, start: 0.000000, bitrate: 142 kb/s
(Continue reading)

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Oliver Brodwolf | 1 Jul 09:49
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Re: Resize video with same aspect ratio

Hello Cristian

Great idea.
First it didn't work, because I used an older ffmpeg version.
The returned text from ffmpeg was:
Input #0, flv, from 'input.flv':
Duration-61
start-0.000000
bitrate-48

0.0,,,,,Video,flv,yuv420p,420,314,15.00
0.1,,,,,Audio,mp3,44100,1,48

Then I compiled the actual ffmpeg version.
The result:
Input #0, flv, from 'input.flv':
Duration: 00:01:01.40, start: 0.000000, bitrate: N/A
Stream #0.0: Video: flv, yuv420p, 420x314, 15 tbr, 1k tbn, 1k tbc
Stream #0.1: Audio: mp3, 44100 Hz, 1 channels, s16

and after this your regex did work.

Am 30.06.2009 um 22:44 schrieb Christian Ebert:

> What is a c-command line, or a c-command line utility for that
> matter
What I need is a tool, which watch about a big folder-structure, and  
if there are new flv-files, then create the 3gp files in a parallel  
folder-structure.
And for this I can create an apple-script ore a perhaps I have to
(Continue reading)

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David Kempers | 1 Jul 10:51
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Re: [Ffmpeg-user] 3gp to mp4

I dont think ffmpeg has been compiled with libfaac support. (I think that
requires the gpl flag)

you could try:

ffmpeg -i "x.3gp" -sameq -acodec copy  test.mp4

or you could try to get a GPLed compiled ffmpeg with libfaac.
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maxime louvel | 1 Jul 11:39
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Re: open-source streaming application in C

Hi,

what I'm looking for is a simple C application that I can integrate in my
architecture.
Thus I'm looking for a simple framework :)
I'll have a look at your pointer thanks.
VLC seems a bit complex for what I want, the idea is to know the I/O of the
applications in order to integrate it easily.

cheers,

maxime

2009/6/30 Jean-Michel Pouré <jmpoure <at> free.fr>

> On Tue, 2009-06-30 at 13:43 +0200, maxime louvel wrote:
> > I'm looking for an open-source streaming application (client/server at
> > least, any more advanced stuff also appreciated) that I could use to
> > make
> > some demo for my phd.
>
> The MLT framework which is the base of Kdenlive incluses a streaming
> server and framework used to broadcast videos. You may dig into
> mltframework.org and try kdenlive. But this may be much more complicated
> for a demo. Why don't you try VLC?
>
> _______________________________________________
> ffmpeg-user mailing list
> ffmpeg-user <at> mplayerhq.hu
> https://lists.mplayerhq.hu/mailman/listinfo/ffmpeg-user
(Continue reading)

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Mark Himsley | 1 Jul 12:44

Audio Delay

Hi clever people,

I have a MOV containing DV video and uncompressed 2 tracks of audio:

ffmpeg -i "Compression test clips.mov"
FFmpeg version SVN-r19159-Sherpya, Copyright (c) 2000-2009 Fabrice Bellard, et al.
  libavutil     50. 3. 0 / 50. 3. 0
  libavcodec    52.30. 2 / 52.30. 2
  libavformat   52.34. 0 / 52.34. 0
  libavdevice   52. 2. 0 / 52. 2. 0
  libavfilter    0. 5. 0 /  0. 5. 0
  libswscale     0. 7. 1 /  0. 7. 1
  libpostproc   51. 2. 0 / 51. 2. 0
  built on Jun 12 2009 04:25:02, gcc: 4.5.0 20090517 (experimental)
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Compression test clips.mov':
  Duration: 00:01:46.12, start: 0.000000, bitrate: 30344 kb/s
    Stream #0.0(eng): Video: dvvideo, yuv420p, 720x576, PAR 59:54 DAR 295:216, 25 tbr, 25 tbn, 25 tbc
    Stream #0.1(eng): Audio: pcm_s16le, 48000 Hz, mono, s16, 768 kb/s
    Stream #0.2(eng): Audio: pcm_s16le, 48000 Hz, mono, s16, 768 kb/s
    Stream #0.3(eng): Data: tmcd / 0x64636D74
At least one output file must be specified

If I export that as a WAV then all is ok. 

ffmpeg -i "Compression test clips.mov" -vn -ac 2 "Compression test clips.wav"

If I export that as a MP3 then the audio is delayed by 23ms with 23ms of 
silence inserted at the start and an extra 9ms of silence at the end. 
(I loaded the WAV and MP3 files into Audacity and measured there)
(Continue reading)

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Francois Visagie | 1 Jul 13:02
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Re: open-source streaming application in C

On Wed, Jul 1, 2009 at 11:39 AM, maxime louvel<m.louvel <at> gmail.com> wrote:
> Hi,
>
> what I'm looking for is a simple C application that I can integrate in my
> architecture.
> Thus I'm looking for a simple framework :)
> I'll have a look at your pointer thanks.
> VLC seems a bit complex for what I want, the idea is to know the I/O of the
> applications in order to integrate it easily.

You can also look at the tools section at www.videohelp.com and
request suggestions at forum.videohelp.com.

Kind regards,
Francois

>
> cheers,
>
> maxime
>
> 2009/6/30 Jean-Michel Pouré <jmpoure <at> free.fr>
>
>> On Tue, 2009-06-30 at 13:43 +0200, maxime louvel wrote:
>> > I'm looking for an open-source streaming application (client/server at
>> > least, any more advanced stuff also appreciated) that I could use to
>> > make
>> > some demo for my phd.
>>
>> The MLT framework which is the base of Kdenlive incluses a streaming
(Continue reading)

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altern | 1 Jul 13:29
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frame rate problem in avi to vlc compression

hi

I am pretty new to ffmpeg and this mailing list. I am using ffmpeg to
compress some avi files to flv. My problem is that I can see that the frame
rate of the flv is not the same as the original avi files but slightly
faster (despite of using -r 24 flag). I also noticed that in some files
there is, in certain areas, a kind of "jump" or sudden increase of speed.
This are the commands I am using to compress :

ffmpeg.exe -i %input% -y -pass 1 -an -f flv -vcodec flv -b 1296k -r 24 -hq
NUL
ffmpeg.exe -i %input% -y -pass 2 -acodec mp3 -ab 32k -ar 11025 -ac 1 -f flv
-vcodec flv -b 1296k  -qmin 1 -qmax 9 -r 24 -hq -g 0 %input%.flv

I need no keyframes, i mean i need each frame to be there because I need to
pause and inspect every frame of the videos. This is because they are
animations that need to be checked for errors.

For a while I tried to find online a solution but since I dont really know
where the error is coming from I decided to ask the mailing list. I hope I
am not asking something too simple or easy to solve...

many thanks in advance.

enrike
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maxime louvel | 1 Jul 15:35
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ffserver feeding pb

Hi,

I tried to feed ffserver with some stream in order to play them afterward :)
when I do that I got the error :

$ ffmpeg -i zappaOnCrossfire_512kb.mp4 http://localhost:8090/feed1.ffm
FFmpeg version SVN-r19289, Copyright (c) 2000-2009 Fabrice Bellard, et al.
  configuration: --prefix=/usr --extra-cflags='-Wall -g ' --cc='ccache cc'
--libdir='${prefix}/lib' --shlibdir='${prefix}/lib' --bindir='${prefix}/bin'
--incdir='${prefix}/include/ffmpeg' --enable-shared --enable-libmp3lame
--enable-gpl --enable-libfaad --mandir='${prefix}/share/man'
--enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid
--enable-postproc --enable-libamr-nb --enable-libamr-wb --enable-x11grab
--enable-libgsm --enable-libx264 --enable-libtheora --enable-libdc1394
--enable-libspeex --enable-nonfree --disable-stripping --enable-avfilter
--enable-libdirac --disable-decoder=libdirac --enable-libschroedinger
--disable-encoder=libschroedinger --enable-avfilter-lavf
--enable-libopenjpeg --disable-altivec --disable-armv5te --disable-armv6
--disable-vis
  libavutil     50. 3. 0 / 50. 3. 0
  libavcodec    52.32. 0 / 52.32. 0
  libavformat   52.36. 0 / 52.36. 0
  libavdevice   52. 2. 0 / 52. 2. 0
  libavfilter    0. 5. 0 /  0. 5. 0
  libswscale     0. 7. 1 /  0. 7. 1
  libpostproc   51. 2. 0 / 51. 2. 0
  built on Jun 29 2009 09:08:07, gcc: 4.3.3

Seems stream 0 codec frame rate differs from container frame rate: 23.98
(1199/50) -> 11.99 (12000/1001)
(Continue reading)

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Robert Krüger | 1 Jul 15:49
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codec frame rate differs from container frame rate for mpeg2video in mov container generated from AVCHD


Hi,

I converted an interlaced AVCHD file from a Sony HDR-CX-6 Camcorder to  
mpeg2video in a mov container with the following command line

ffmpeg -i mayrhofen-full-507-seconds-1080i.m2ts -t 5 -y -vcodec  
mpeg2video -acodec copy -deinterlace test.mov

with the output:

FFmpeg version SVN-r19313, Copyright (c) 2000-2009 Fabrice Bellard, et  
al.
   configuration: --enable-libx264 --enable-gpl --enable-libfaac -- 
enable-nonfree --enable-libmp3lame --enable-libxvid
   libavutil     50. 3. 0 / 50. 3. 0
   libavcodec    52.32. 0 / 52.32. 0
   libavformat   52.36. 0 / 52.36. 0
   libavdevice   52. 2. 0 / 52. 2. 0
   libswscale     0. 7. 1 /  0. 7. 1
   built on Jul  1 2009 12:23:03, gcc: 4.0.1 (Apple Inc. build 5490)
Input #0, mpegts, from 'mayrhofen-full-507-seconds-1080i.m2ts':
   Duration: 00:08:28.07, start: 1.000067, bitrate: 7386 kb/s
   Program 1
     Stream #0.0[0x1011]: Video: h264, yuv420p, 1440x1080 [PAR 4:3 DAR  
16:9], 50 tbr, 90k tbn, 50 tbc
     Stream #0.1[0x1100]: Audio: ac3, 48000 Hz, 5.1, s16, 448 kb/s
Output #0, mov, to 'test.mov':
     Stream #0.0: Video: mpeg2video, yuv420p, 1440x1080 [PAR 4:3 DAR  
16:9], q=2-31, 200 kb/s, 50 tbn, 50 tbc
(Continue reading)

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