Re: [FFmpeg-user] can't capture from audio speakers, but well from microphone

2018-06-09 Thread Roger Pack 
On 3/10/18, Carl Zwanzig  wrote:
> On 3/10/2018 6:01 AM, Phil Forneur wrote:
>> I can't capture from audio speakers, but well from microphone.
>
> Speakers/audio-out aren't considered an input device.
>
> If you're trying to capture what's being played out those speakers, you need
> software to intercept the data on it's way to the output device and direct
> it elsewhere (look for the 'Windows WASAPI' device, see
> http://manual.audacityteam.org/man/tutorial_recording_computer_playback_on_windows.html).

You may be able to install a dshow device to "capture what you  hear"
as it were:
humbly: https://github.com/rdp/virtual-audio-capture-grabber-device
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[FFmpeg-user] can't capture from audio speakers, but well from microphone

2018-03-11 Thread Phil Forneur 
>Speakers/audio-out aren't considered an input device.

I don't remember when, but with a previously I could.

Change in ffmpeg?
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Re: [FFmpeg-user] can't capture from audio speakers, but well from microphone

2018-03-10 Thread Carl Zwanzig 

On 3/10/2018 6:01 AM, Phil Forneur wrote:

I can't capture from audio speakers, but well from microphone.


Speakers/audio-out aren't considered an input device.

If you're trying to capture what's being played out those speakers, you need 
software to intercept the data on it's way to the output device and direct 
it elsewhere (look for the 'Windows WASAPI' device, see 
http://manual.audacityteam.org/man/tutorial_recording_computer_playback_on_windows.html).


z!
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[FFmpeg-user] can't capture from audio speakers, but well from microphone

2018-03-10 Thread Phil Forneur 
OS: win10 64bits

I can't capture from audio speakers, but well from microphone.

Thanks

PS F:\> ffmpeg -list_devices true -f dshow -i dummy
ffmpeg version N-90271-g3386be16d5 Copyright (c) 2000-2018 the FFmpeg
developers
  built with gcc 7.3.0 (GCC)
  configuration: --enable-gpl --enable-version3 --enable-sdl2
--enable-bzlib --enable-fontconfig --enable-gnutls --enable-iconv
--enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame
--enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
--enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr
--enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack
--enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2
--enable-libzimg --enable-lzma --enable-zlib --enable-gmp
--enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc
--enable-libmysofa --enable-libspeex --enable-libxvid --enable-libmfx
--enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va
--enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth
  libavutil  56.  8.100 / 56.  8.100
  libavcodec 58. 14.100 / 58. 14.100
  libavformat58. 10.100 / 58. 10.100
  libavdevice58.  2.100 / 58.  2.100
  libavfilter 7. 12.100 /  7. 12.100
  libswscale  5.  0.102 /  5.  0.102
  libswresample   3.  0.101 /  3.  0.101
  libpostproc55.  0.100 / 55.  0.100
[dshow @ 02011a53a100] DirectShow video devices (some may be both video
and audio devices)
[dshow @ 02011a53a100]  "TOSHIBA Web Camera - HD"
[dshow @ 02011a53a100] Alternative name
"@device_pnp_\\?\usb#vid_04f2&pid_b307&mi_00#7&366e0267&4&#{65e8773d-8f56-11d0-a3b9-00a0c9223196}\global"
[dshow @ 02011a53a100] DirectShow audio devices
[dshow @ 02011a53a100]  "Microphone (Realtek High Definition Audio)"
[dshow @ 02011a53a100] Alternative name
"@device_cm_{33D9A762-90C8-11D0-BD43-00A0C911CE86}\wave_{2749820B-9C1E-4D53-ADB0-44ACB7A34B4A}"
[dshow @ 02011a53a100]  "Casque (JBL Soundgear Hands-Free)"
[dshow @ 02011a53a100] Alternative name
"@device_cm_{33D9A762-90C8-11D0-BD43-00A0C911CE86}\wave_{77C6E4D8-1CA7-4B5C-B3F9-F1343A65619C}"
dummy: Immediate exit requested
PS F:\>

PS F:\> ffprobe -devices
ffprobe version N-90271-g3386be16d5 Copyright (c) 2007-2018 the FFmpeg
developers
  built with gcc 7.3.0 (GCC)
  configuration: --enable-gpl --enable-version3 --enable-sdl2
--enable-bzlib --enable-fontconfig --enable-gnutls --enable-iconv
--enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame
--enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
--enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr
--enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack
--enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2
--enable-libzimg --enable-lzma --enable-zlib --enable-gmp
--enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc
--enable-libmysofa --enable-libspeex --enable-libxvid --enable-libmfx
--enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va
--enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth
  libavutil  56.  8.100 / 56.  8.100
  libavcodec 58. 14.100 / 58. 14.100
  libavformat58. 10.100 / 58. 10.100
  libavdevice58.  2.100 / 58.  2.100
  libavfilter 7. 12.100 /  7. 12.100
  libswscale  5.  0.102 /  5.  0.102
  libswresample   3.  0.101 /  3.  0.101
  libpostproc55.  0.100 / 55.  0.100
Devices:
 D. = Demuxing supported
 .E = Muxing supported
 --
 D  dshow   DirectShow capture
 D  lavfi   Libavfilter virtual input device
  E sdl,sdl2SDL2 output device
 D  vfwcap  VfW video capture
PS F:\>
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