Paul B Mahol (2018-12-30): > >> Input #0, wv, from > >> '/home/computer/Downloads/Run_The_Race_-_3rd_Order_Ambisonic_SN3D.wv': > >> Duration: 00:11:07.67, start: 0.000000, bitrate: 6084 kb/s > >> Stream #0:0: Audio: wavpack, 44100 Hz, 16 channels > >> (FL+FR+FC+LFE+BL+BR+FLC+FRC+BC+SL+SR+TC+TFL+TFC+TFR+TBL), s16p > > > > Yes... and...? > > From this is obvious that user can not use '+' to separate channel > layouts if it is already used to define channel layouts. > > Do you need better explanation now?
Well, quoting the original patch: + * The input string can be represented by: + * - the formal channel layout name (returned by av_channel_layout_describe()) + * - single or multiple channel names (returned by av_channel_name() + * or concatenated with "|") + * - a hexadecimal value of a channel layout (eg. "0x4") + * - the number of channels with default layout (eg. "5") + * - the number of unordered channels (eg. "4 channels") There is no mention about '+'. So I guess this paragraph needs to be rewritten to actually match what is being done. And if + is not possible, | is still a bad choice. Use a character that is not special for standard shells, I am sure we can find some; maybe /. -- Nicolas George
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