[FFmpeg-devel] [PATCH] avfilter: fix af_pan regression

[Paul B Mahol <onemda@gmail.com>]

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Patch attached.

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From b53fa290876af0f540a99f733193f270103bf8ad Mon Sep 17 00:00:00 2001
From: Paul B Mahol <onemda@gmail.com>
Date: Sat, 4 Feb 2023 21:46:15 +0100
Subject: [PATCH] avfilter/af_pan: fix regression introduced with switch to new
 channel layout API

Fixes #10168

Signed-off-by: Paul B Mahol <onemda@gmail.com>
---
 libavfilter/af_pan.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavfilter/af_pan.c b/libavfilter/af_pan.c
index 067f646805..504e0fb5d3 100644
--- a/libavfilter/af_pan.c
+++ b/libavfilter/af_pan.c
@@ -313,6 +313,7 @@ static int config_props(AVFilterLink *link)
             pan->channel_map[i] = ch_id;
         }
 
+        av_opt_set_chlayout(pan->swr, "ichl", &pan->out_channel_layout, 0);
         av_opt_set_int(pan->swr, "uch", pan->nb_output_channels, 0);
         swr_set_channel_mapping(pan->swr, pan->channel_map);
     } else {
@@ -333,6 +334,8 @@ static int config_props(AVFilterLink *link)
             for (j = 0; j < link->ch_layout.nb_channels; j++)
                 pan->gain[i][j] /= t;
         }
+        av_opt_set_chlayout(pan->swr, "ichl", &link->ch_layout, 0);
+        av_opt_set_chlayout(pan->swr, "ochl", &pan->out_channel_layout, 0);
         swr_set_matrix(pan->swr, pan->gain[0], pan->gain[1] - pan->gain[0]);
     }
 
-- 
2.39.1


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