They're presently broken, and not really needed anywhere.
They can be fixed at a later date, but for
Patch attached.
>From 01925c08bcd2073770c0c627fc64232a7593a321 Mon Sep 17 00:00:00 2001
From: Lynne <d...@lynne.ee>
Date: Tue, 25 Jul 2023 11:01:41 +0200
Subject: [PATCH 1/2] lavu/tx: disable odd-length RDFTs
They're presently broken.
---
libavutil/tx_template.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/libavutil/tx_template.c b/libavutil/tx_template.c
index c4ec9502e0..a4040454db 100644
--- a/libavutil/tx_template.c
+++ b/libavutil/tx_template.c
@@ -1709,8 +1709,8 @@ static const FFTXCodelet TX_NAME(ff_tx_rdft_r2c_def) = {
.type = TX_TYPE(RDFT),
.flags = AV_TX_UNALIGNED | AV_TX_INPLACE |
FF_TX_OUT_OF_PLACE | FF_TX_FORWARD_ONLY,
- .factors = { 2, TX_FACTOR_ANY },
- .nb_factors = 2,
+ .factors[0] = 2,
+ .nb_factors = 1,
.min_len = 2,
.max_len = TX_LEN_UNLIMITED,
.init = TX_NAME(ff_tx_rdft_init),
@@ -1724,8 +1724,8 @@ static const FFTXCodelet TX_NAME(ff_tx_rdft_c2r_def) = {
.type = TX_TYPE(RDFT),
.flags = AV_TX_UNALIGNED | AV_TX_INPLACE |
FF_TX_OUT_OF_PLACE | FF_TX_INVERSE_ONLY,
- .factors = { 2, TX_FACTOR_ANY },
- .nb_factors = 2,
+ .factors[0] = 2,
+ .nb_factors = 1,
.min_len = 2,
.max_len = TX_LEN_UNLIMITED,
.init = TX_NAME(ff_tx_rdft_init),
--
2.40.1
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