$ ffmpeg -f alsa -i pulse -f x11grab -r 25 -s 1280x720 -i :0.0+320,180
-acodec pcm_s16le -vcodec libx264 -vpre lossless_ultrafast -threads 0
output.mkv
ffmpeg version 0.10.6 Copyright (c) 2000-2012 the FFmpeg developers
built on Jan 28 2013 19:05:57 with gcc 4.6.3
configuration: --prefix=/usr --libdir=/usr/lib64
--shlibdir=/usr/lib64 --mandir=/usr/share/man --enable-shared
--cc=x86_64-pc-linux-gnu-gcc --cxx=x86_64-pc-linux-gnu-g++
--ar=x86_64-pc-linux-gnu-ar --optflags='-march=native -O2 -pipe'
--extra-cflags='-march=native -O2 -pipe'
--extra-cxxflags='-march=native -O2 -pipe' --disable-static
--enable-gpl --enable-version3 --enable-postproc --enable-avfilter
--disable-stripping --disable-debug --disable-doc --enable-openssl
--enable-nonfree --enable-gnutls --enable-libmp3lame
--enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libtheora
--enable-libvorbis --enable-libx264 --enable-libfaac --enable-nonfree
--enable-openal --disable-indev=v4l --disable-indev=oss
--disable-indev=jack --enable-x11grab --enable-libv4l2
--disable-outdev=oss --enable-libfreetype --enable-libass
--enable-pthreads --enable-libopencore-amrwb
--enable-libopencore-amrnb --enable-libgsm --enable-libdirac
--enable-libschroedinger --enable-libspeex --enable-libvpx
--disable-amd3dnow --disable- libavutil 51. 35.100 / 51. 35.100
libavcodec 53. 61.100 / 53. 61.100
libavformat 53. 32.100 / 53. 32.100
libavdevice 53. 4.100 / 53. 4.100
libavfilter 2. 61.100 / 2. 61.100
libswscale 2. 1.100 / 2. 1.100
libswresample 0. 6.100 / 0. 6.100
libpostproc 52. 0.100 / 52. 0.100
[alsa @ 0x22d6ad0] Estimating duration from bitrate, this may be inaccurate
Input #0, alsa, from 'pulse':
Duration: N/A, start: 1359485256.096559, bitrate: N/A
Stream #0:0: Audio: pcm_s16le, 48000 Hz, 2 channels, s16, 1536 kb/s
[x11grab @ 0x22d7f10] device: :0.0+320,180 -> display: :0.0 x: 320 y:
180 width: 1280 height: 720
[x11grab @ 0x22d7f10] shared memory extension found
[x11grab @ 0x22d7f10] Estimating duration from bitrate, this may be inaccurate
Input #1, x11grab, from ':0.0+320,180':
Duration: N/A, start: 1359485256.139655, bitrate: 737280 kb/s
Stream #1:0: Video: rawvideo (BGRA / 0x41524742), bgra, 1280x720,
737280 kb/s, 25 tbr, 1000k tbn, 25 tbc
File for preset 'lossless_ultrafast' not found
On Tue, Jan 29, 2013 at 7:38 PM, Christ-Jan Wijtmans
<cj.wijtm...@gmail.com> wrote:
> $ ffmpeg -f alsa -i pulse -f x11grab -r 25 -s 1280x720 -i :0.0+0,24
> -acodec pcm_s16le-vcodec libx264 -vpre lossless_ultrafast -threads 0
> output.mkv
> ffmpeg version 0.10.6 Copyright (c) 2000-2012 the FFmpeg developers
> built on Jan 28 2013 19:05:57 with gcc 4.6.3
> configuration: --prefix=/usr --libdir=/usr/lib64
> --shlibdir=/usr/lib64 --mandir=/usr/share/man --enable-shared
> --cc=x86_64-pc-linux-gnu-gcc --cxx=x86_64-pc-linux-gnu-g++
> --ar=x86_64-pc-linux-gnu-ar --optflags='-march=native -O2 -pipe'
> --extra-cflags='-march=native -O2 -pipe'
> --extra-cxxflags='-march=native -O2 -pipe' --disable-static
> --enable-gpl --enable-version3 --enable-postproc --enable-avfilter
> --disable-stripping --disable-debug --disable-doc --enable-openssl
> --enable-nonfree --enable-gnutls --enable-libmp3lame
> --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libtheora
> --enable-libvorbis --enable-libx264 --enable-libfaac --enable-nonfree
> --enable-openal --disable-indev=v4l --disable-indev=oss
> --disable-indev=jack --enable-x11grab --enable-libv4l2
> --disable-outdev=oss --enable-libfreetype --enable-libass
> --enable-pthreads --enable-libopencore-amrwb
> --enable-libopencore-amrnb --enable-libgsm --enable-libdirac
> --enable-libschroedinger --enable-libspeex --enable-libvpx
> --disable-amd3dnow --disable- libavutil 51. 35.100 / 51. 35.100
> libavcodec 53. 61.100 / 53. 61.100
> libavformat 53. 32.100 / 53. 32.100
> libavdevice 53. 4.100 / 53. 4.100
> libavfilter 2. 61.100 / 2. 61.100
> libswscale 2. 1.100 / 2. 1.100
> libswresample 0. 6.100 / 0. 6.100
> libpostproc 52. 0.100 / 52. 0.100
> [alsa @ 0xf61ad0] Estimating duration from bitrate, this may be
> inaccurate
> Input #0, alsa, from 'pulse':
> Duration: N/A, start: 1359484541.886370, bitrate: N/A
> Stream #0:0: Audio: pcm_s16le, 48000 Hz, 2 channels, s16, 1536
> kb/s
> [x11grab @ 0xf62f10] device: :0.0+0,24 -> display: :0.0 x: 0 y: 24
> width: 1280 height: 720
> [x11grab @ 0xf62f10] shared memory extension found
> [x11grab @ 0xf62f10] Estimating duration from bitrate, this may be
> inaccurate
> Input #1, x11grab, from ':0.0+0,24':
> Duration: N/A, start: 1359484541.929326, bitrate: 737280 kb/s
> Stream #1:0: Video: rawvideo (BGRA / 0x41524742), bgra, 1280x720,
> 737280 kb/s, 25 tbr, 1000k tbn, 25 tbc
> [NULL @ 0xf93020] Unable to find a suitable output format for
> 'libx264'
> libx264: Invalid argument
> christ@HTPC ~ $ emerge -p ffmpeg
>
> These are the packages that would be merged, in order:
>
> Calculating dependencies... done!
> [ebuild R ] media-video/ffmpeg-0.10.6 USE="X aac alsa amr bzip2
> dirac encode faac gnutls gsm libass libv4l mmx mmxext mp3 network
> openal openssl schroedinger sdl speex ssse3 theora threads truetype
> v4l vaapi vdpau vorbis vpx x264 zlib -3dnow -3dnowext -aacplus
> (-altivec) -avx -bindist -cdio (-celt) -cpudetection -debug -doc
> -frei0r -hardcoded-tables -ieee1394 -jack -jpeg2k -modplug (-neon)
> -oss -pic -pulseaudio -rtmp -static-libs {-test} (-vis) -xvid"
> FFTOOLS="-aviocat -cws2fws -ffeval -graph2dot -ismindex -pktdumper
> -qt-faststart -trasher" 0 kB
>
> Total: 1 package (1 reinstall), Size of downloads: 0 kB
>
>
> On Tue, Jan 29, 2013 at 7:25 PM, wille <wille....@gmail.com> wrote:
>> Hi, Christ-Jan
>>
>> Have you tried to capture using ffmpeg?
>>
>> http://wiki.oz9aec.net/index.php/High_quality_screen_capture_with_Ffmpeg
>> https://ffmpeg.org/trac/ffmpeg/wiki/Capturing%20audio%20with%20FFmpeg%20and%20ALSA
>>
>>
>>
>> 2013/1/29 Christ-Jan Wijtmans <cj.wijtm...@gmail.com>
>>>
>>> Hi,
>>>
>>> I recently wanted to start a youtube channel where i record and make
>>> commentary to games.
>>> The games i want to promote are primarily those whom work on linux
>>> since i want to promote linux as an OS where you can play games on.
>>> Here comes the problems... qt-recordmydesktop is an absolute nightmare
>>> to work with the only way i get it to work properly is to turn
>>> compression off and put FPS at 10.
>>> If i put FPS higher than 10 the video would speed up and not be in
>>> sync with audio. Now that it records "fine" it only records 10 frames
>>> per second, no bueno for recording games.
>>> I have kdenlive installed for quiet a while now and i have always
>>> realized it doesnt play well with recordmydesktop either way.
>>> So i finally came to a bug tracker where i saw kdenlive is now being
>>> modified to use ffmpeg instead, which i cannot comment on since i
>>> havent tried it.
>>> Basically it would be easier for the user(me) did not have to worry
>>> about compression details and such and could just select a youtube
>>> profile which it work with.
>>> You can even rip off some code of qt-recordmydesktop(not updated in 5
>>> years i believe) to get the window selector button(if ffmpeg can play
>>> with x11 windows?).
>>> The point is that i do not want to rush anyone but i want to promote
>>> linux here and it is cool games are finally coming to linux, but
>>> lacking any decent capturing software will be a culprit in promoting
>>> linux for gaming.
>>> My question is if you can get a working version of kdenlive 0.9.3
>>> where capturing video "just works".
>>> I am using gentoo and kdenlive 0.9.3 is not in unstable or stable yet,
>>> is it still in development, can i install an overlay for a live build?
>>>
>>> Live long and prosper,
>>>
>>> Christ-Jan Wijtmans
>>>
>>>
>>> ------------------------------------------------------------------------------
>>> Master Visual Studio, SharePoint, SQL, ASP.NET, C# 2012, HTML5, CSS,
>>> MVC, Windows 8 Apps, JavaScript and much more. Keep your skills current
>>> with LearnDevNow - 3,200 step-by-step video tutorials by Microsoft
>>> MVPs and experts. ON SALE this month only -- learn more at:
>>> http://p.sf.net/sfu/learnnow-d2d
>>> _______________________________________________
>>> Kdenlive-devel mailing list
>>> Kdenlive-devel@lists.sourceforge.net
>>> https://lists.sourceforge.net/lists/listinfo/kdenlive-devel
>>
>>
>>
>>
>> --
>> Wille
>> http://wille.blog.br
>> ------------------------------------------------------------------------------
>> Master Visual Studio, SharePoint, SQL, ASP.NET, C# 2012, HTML5, CSS,
>> MVC, Windows 8 Apps, JavaScript and much more. Keep your skills current
>> with LearnDevNow - 3,200 step-by-step video tutorials by Microsoft
>> MVPs and experts. ON SALE this month only -- learn more at:
>> http://p.sf.net/sfu/learnnow-d2d
>> _______________________________________________
>> Kdenlive-devel mailing list
>> Kdenlive-devel@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/kdenlive-devel
>>
------------------------------------------------------------------------------
Master Visual Studio, SharePoint, SQL, ASP.NET, C# 2012, HTML5, CSS,
MVC, Windows 8 Apps, JavaScript and much more. Keep your skills current
with LearnDevNow - 3,200 step-by-step video tutorials by Microsoft
MVPs and experts. ON SALE this month only -- learn more at:
http://p.sf.net/sfu/learnnow-d2d
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