On 9 Jul 2015, at 18:48, Carl Eugen Hoyos wrote: > On Thursday 09 July 2015 06:48:42 pm Piers O'Hanlon wrote: >> Hi, >> I've been trying to capture multiple audio channels using ffmpeg on OSX - >> specifically I've been trying to capture from the Soundflower 64 channel >> input device > > Just being curious: Is this hardware or software? > It's a software virtual audio driver which takes the form of an open source kernel module in OSX: https://github.com/RogueAmoeba/Soundflower
>> configuration: --cc=clang > > Unrelated: This should make no difference, I suggest to remove it. > This is currently necessary to get the avfoundation support to build on OSX10.7. I'm not sure if the configure script is broken or just OSX default gcc on my system... I think it is because the avfoundation configure check assumes gcc can compile c++. >> [avfoundation @ 0x7f8dfb83d800] Failed to open codec in av_find_stream_info > > This is the relevant error, please test attached patch. > I applied your patch and it all works on 64 channels - that's great. I see that it was just question of increasing some #defines which is handy. Can this patch go into the main code? > Note that -map_channel is deprecated, please use the pan filter. > Ok - thanks I've got it working with pan too - seems to work about the same. BTW I"m running the clients on embedded ARMv6 (Raspberry Pi) - any tips for reducing the load on the receiver? Many thanks, Piers > Carl Eugen > <patch64chan.diff>_______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > http://ffmpeg.org/mailman/listinfo/ffmpeg-user _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user
