Hi, attached patch add usage example with additional audio packets preparation.
-- Maksym Veremeyenko
From b83e8bb3253f6872d4b50f9bf466bd338a793c99 Mon Sep 17 00:00:00 2001 From: Maksym Veremeyenko <ve...@m1.tv> Date: Mon, 4 Sep 2017 09:01:18 -0400 Subject: [PATCH 2/3] lavd: add audio packets adopting example of NewTek NDI output --- doc/outdevs.texi | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/doc/outdevs.texi b/doc/outdevs.texi index ce68e11..310606a 100644 --- a/doc/outdevs.texi +++ b/doc/outdevs.texi @@ -237,6 +237,12 @@ Play video clip: ffmpeg -i "udp://@@239.1.1.1:10480?fifo_size=1000000&overrun_nonfatal=1" -vf "scale=720:576,fps=fps=25,setdar=dar=16/9,format=pix_fmts=uyvy422" -f libndi_newtek NEW_NDI1 @end example +@item +Some NDI receiver want audio packets with 1920 samples per audio packet and interleaved closer to video packets: +@example +ffmpeg -i "udp://@@239.1.1.1:10480?fifo_size=1000000&overrun_nonfatal=1" -vf "scale=720:576,fps=fps=25,setdar=dar=16/9,format=pix_fmts=uyvy422" -af "volume=volume=-5.0dB,asetnsamples=n=1920:p=0" -f libndi_newtek -muxdelay 0 NEW_NDI1 +@end example + @end itemize @section fbdev -- 1.8.3.1
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