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--- ffmpeg:conversions:convert_h264_to_av1:libaom:two-pass [2023/06/15 11:46] – peter
+++ ffmpeg:conversions:convert_h264_to_av1:libaom:two-pass [2023/06/15 17:43] (current) – peter
@@ Line 12: / Line 12: @@
 <code bash>
 time ffmpeg -i a.mp4 -c:v libaom-av1 -b:v 2M -pass 1 -an -f null /dev/null && time ffmpeg -i a.mp4 -c:v libaom-av1 -b:v 2M -pass 2 -c:a libopus -f mp4 out.mp4
+time ffmpeg -i a.mp4 -c:v libaom-av1 -b:v 2000k -pass 1 -an -f null /dev/null && time ffmpeg -i a.mp4 -c:v libaom-av1 -b:v 2000k -pass 2 -ac 2 -c:a libopus  -f mp4 out.mp4x
 </code>
@@ Line 33: / Line 35: @@
 <WRAP info>
 **NOTE:**  The bitrate limit by the **-b:v** where the bitrate MUST be non-zero.
+  * **Opus** is a totally open, royalty-free, highly versatile audio codec.
 </WRAP>