> On Dec 1, 2014, at 3:33 PM, Thilo Borgmann <thilo.borgm...@mail.de> wrote:
>
> Am 01.12.14 um 07:51 schrieb Steven Liu:
>> [...]
>> I’ve list_devices the devices;but there have no screen option, just only
> camera option;
>> Perhaps i have using the wrong parameters?
>>
>>
>> [StevenLiu@localhost ~]$ ffmpeg -f avfoundation -list_devices 1 -i ""
>> ffmpeg version N-65018-gad91bf8 Copyright (c) 2000-2014 the FFmpeg developers
>> built on Jul 27 2014 20:36:24 with Apple LLVM version 5.1 (clang-503.0.40)
> (based on LLVM 3.4svn)
>
> You're just using a version too old for that purpose. Screen capturing that
> way
> was just recently added. Update to current HEAD and you should be fine.
>
> -Thilo
Hi Thilo,
Thanks for your help,
It’s OK.
[StevenLiu@localhost ffmpeg]$ ./ffmpeg -f avfoundation -list_devices true -i ""
ffmpeg version N-68139-g24e7e02 Copyright (c) 2000-2014 the FFmpeg developers
built on Dec 2 2014 09:46:29 with Apple LLVM version 6.0 (clang-600.0.54)
(based on LLVM 3.5svn)
configuration: --enable-opengl --enable-libx265 --enable-libx264
--enable-libmp3lame --enable-gpl --enable-libfaac --enable-nonfree
--prefix=/usr/ --enable-libfreetype --enable-libass
libavutil 54. 15.100 / 54. 15.100
libavcodec 56. 13.100 / 56. 13.100
libavformat 56. 15.101 / 56. 15.101
libavdevice 56. 3.100 / 56. 3.100
libavfilter 5. 2.103 / 5. 2.103
libswscale 3. 1.101 / 3. 1.101
libswresample 1. 1.100 / 1. 1.100
libpostproc 53. 3.100 / 53. 3.100
[AVFoundation input device @ 0x7f85694065e0] AVFoundation video devices:
[AVFoundation input device @ 0x7f85694065e0] [0] FaceTime HD Camera (Built-in)
[AVFoundation input device @ 0x7f85694065e0] [1] Capture screen 0
[AVFoundation input device @ 0x7f85694065e0] AVFoundation audio devices:
[AVFoundation input device @ 0x7f85694065e0] [0] Built-in Microphone
: Input/output error
[StevenLiu@localhost ffmpeg]$
Steven
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