From 93c30bd6f0846898bb3e7172bb5de65f2d0f33ce Mon Sep 17 00:00:00 2001 From: Lynne Date: Thu, 24 Nov 2022 15:56:01 +0100 Subject: [PATCH] lavu/tx: clarify stride for RDFT transforms --- libavutil/tx.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/libavutil/tx.h b/libavutil/tx.h index cd772ad903..758f634b73 100644 --- a/libavutil/tx.h +++ b/libavutil/tx.h @@ -75,7 +75,9 @@ enum AVTXType { * the double variant, it's a 'double'. If scale is NULL, 1.0 will be used * as a default. * - * The stride parameter must be set to the size of a single sample in bytes. + * For forward transforms (R2C), stride must be the spacing between two + * samples in bytes. For inverse transforms, the stride must be set + * to the spacing between two complex values in bytes. * * The forward transform performs a real-to-complex DFT of N samples to * N/2+1 complex values.