Hi, > I am getting these messages when I exec "ffmpeg -f qtkit -i "0" out.mpg" on > the terminal: > > Mac-mini-2:~ infowarelab-macmini$ ffmpeg -f qtkit -i "0" out.mpg > > ffmpeg version 3.1.2 Copyright (c) 2000-2016 the FFmpeg developers > > built with Apple LLVM version 7.3.0 (clang-703.0.31) > > configuration: --enable-shared --disable-yasm > > libavutil 55. 28.100 / 55. 28.100 > > libavcodec 57. 48.101 / 57. 48.101 > > libavformat 57. 41.100 / 57. 41.100 > > libavdevice 57. 0.101 / 57. 0.101 > > libavfilter 6. 47.100 / 6. 47.100 > > libswscale 4. 1.100 / 4. 1.100 > > libswresample 2. 1.100 / 2. 1.100 > > [qtkit @ 0x7fc35f000000] Could not find codec parameters for stream 0 > (Unknown: none): unknown codec > > Consider increasing the value for the 'analyzeduration' and 'probesize' > options > > Input #0, qtkit, from '0': > > Duration: N/A, start: 2.020000, bitrate: N/A > > Stream #0:0: Unknown: none > > Output #0, mpeg, to 'out.mpg': > > Output file #0 does not contain any stream > > The macOS version is 10.12.
on 10.12 you should consider using the avfoundation device instead of qtkit. Also the output of "-list_devices true" could be helpful if the problem still exists with avfoundation or you have to stick to qtkit for some reason. -Thilo _______________________________________________ Libav-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/libav-user
