I'm trying to do some audio channel processing, stripping off a bunch of
audio channels from an audio stream with 16 channels, taking the first 2
channels and turning them into 2 mono streams, dumping the remaining 14
channels:
ffmpeg -i manyaudio.mov -map 0:v -map 0:a -map 0:a \
-codec:v copy -
Thanks of course I copied that off a discussion of bringing wma into iTunes.
Now I see the .m4a so it should work for mp3 through homebrew without an
installation flag. Cool. The end use is actually to listen to these tracks on
a wp8 phone 📞. But from a mac music gets to the phone from the i
Hi all,
I’m trying to build ffmpeg with --enable-decklink but get an error during make.
For a c++ compiler I have g++. Any advice that would help get this built would
be appreciated.
u813s:ffmpeg rice$ make
CC libavdevice/alldevices.o
CC libavdevice/avdevice.o
CC libavdevice/avfou
radpopl gmail.com> writes:
> there is a sample.
> https://www.sendspace.com/file/leir3w
I opened ticket #4121, thank you for the sample!
https://trac.ffmpeg.org/ticket/4121
Please do not top-post here, Carl Eugen
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I tried to use VirtualDub - getting the message out there, such as in the
attached image.
On Wed, Nov 19, 2014 at 8:58 PM, radpopl wrote:
> Hello,
>
> there is a sample.
> https://www.sendspace.com/file/leir3w
>
> This happens only with this mts format (1440x1080, 50i) with my camera.
> 1920x10
Hello,
there is a sample.
https://www.sendspace.com/file/leir3w
This happens only with this mts format (1440x1080, 50i) with my camera.
1920x1080 50p converts well (of course without the option interlace).
Regards,
Radek
On Tue, Nov 18, 2014 at 10:59 PM, Carl Eugen Hoyos [via FFmpeg-users] <
m
On Wed, 19 Nov 2014 08:17:19 + (UTC)
Thanos Natsiopoulos wrote:
> May I please have a simple guide for a begginer user on how to install
Simplest method is to download, extract, and execute a static build:
Linux: http://johnvansickle.com/ffmpeg/
Windows: http://ffmpeg.zeranoe.com/builds/
__
On Wed, 19 Nov 2014 02:53:34 -0800 (PST)
paynito wrote:
> bash //
> brew install ffmpeg // seems to work
> cd folder with wmas
> for f in *.wma; do ffmpeg -y -i "$f" -c:a libfdk_aac -b:a 192k
> "${f%.wma}.m4a"; done;
> // try a script
> -> error Unknown encoder 'libfdk_aac'
>
>
> any ide
Hello,
  Reading about FFmpeg I saw that I can create a multiplexed transport stream
with it. I am completely new to this environment and I tried to follow the
guides that I found online but without success.  May I please have a simple
guide for a begginer user on how to install and create the
bash //
brew install ffmpeg // seems to work
cd folder with wmas
for f in *.wma; do ffmpeg -y -i "$f" -c:a libfdk_aac -b:a 192k
"${f%.wma}.m4a"; done;
// try a script
-> error Unknown encoder 'libfdk_aac'
any ideas?
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http://ffmpeg-users.933282.n4.nabble.
Hi there,
I recorded an screencast in WinXP using the following command:
ffmpeg -f gdigrab -framerate 5 -i desktop -f dshow -i audio="Realtek HD
Audio Input" -vcodec libx264 -crf 0 -acodec pcm_s16le output.flv
It worked fine and I stopped it pressing Ctrl+C in the command-line window.
I tried t
2014/11/19 21:46, Carl Eugen Hoyos ag.or.at> wrote:
> Kimio Miyamura apost.plala.or.jp> writes:
>
>> If I use "-ac 2" with ffplay like the following,
>> seems to right side channel sound have lost.
>
> Do you see anything suspicious if you press "w" while
> playing to see a visualization?
Kimio Miyamura apost.plala.or.jp> writes:
> If I use "-ac 2" with ffplay like the following,
> seems to right side channel sound have lost.
I cannot reproduce this with a random sample here...
Do you see anything suspicious if you press "w" while
playing to see a visualization?
> $ ffplay -i
Hello list members,
I'm trying to playback a mp4 video which contains 5.1ch audio with ffplay. The
mp4 file was made from DVD stream dump with mplayer, like the following ffmpeg
command.
$ ffmpeg -i /Volumes/USB\ HD\ 1/stream.dump \
> -map 0:0 -c:v libx264 -preset slow -level 4.1 -profile:v
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