On Fri, May 29, 2020, 1:46 PM Nicolas George <[email protected]> wrote:
> Kerry Loux (12020-05-29): > > Thanks Nicholas. I was able to get it to work using the method you > > described. > > Good to ear. > > > Actually, I had tried it earlier, but I struggled because I was passing > > invalid channel layouts to my src buffer filters. My mistake was that I > > expected av_get_channel_layout_string() to produce values suitable for > > passing as a "channel_layout" option to my buffer filters. > > That is worrying, I think they should be compatible. Do you remember > which particular channel layout caused a problem? > Yes, AV_CH_FRONT_LEFT is an example. The returned string is something like "1 channels (FL)." I had to extract only the parenthetical portion in order to avoid an "invalid argument" error when calling avfilter_init_str(). > But you do not need it for this case, you can just print the channel > layout as an integer. > > I forgot to add: > > If you need to change the order of the channels afterwards, the filter > pan is there for that. > > Regards, > > -- > Nicolas George > _______________________________________________ > Libav-user mailing list > [email protected] > https://ffmpeg.org/mailman/listinfo/libav-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe".
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