2018-10-09 1:03 GMT+02:00, Jeroen Ooms <[email protected]>: > I would like to capture the screen in MacOS. This works via the command > line: > > Command line: ffmpeg -f avfoundation -i "1" -pix_fmt yuv420p -r 25 > -t 5 out.mov > > However I can't figure out how to do this in C. I tried the following, > but it gives an error "Device selection unsupported.". > > AVBufferRef *capture; > AVDictionary *opts = NULL; > av_dict_set(&opts, "video_device_index", "1", 0); > av_dict_set(&opts, "audio_device_index", "none", 0); > av_hwdevice_ctx_create(&capture, AV_HWDEVICE_TYPE_VIDEOTOOLBOX, > "avfoundation", opts, 0);
From the command line above, avfoundation is a device / format, not a hwdevice. Carl Eugen _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
