From 739c96ba1a2cebca4194de4c9f914eb0dd514250 Mon Sep 17 00:00:00 2001
From: James Almer <jamrial@gmail.com>
Date: Tue, 15 Mar 2022 10:37:54 -0300
Subject: [PATCH] avcodec/dca_lbr: set nchannels

Fixes warnings about uninitialized values

Signed-off-by: James Almer <jamrial@gmail.com>
---
 libavcodec/dca_lbr.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavcodec/dca_lbr.c b/libavcodec/dca_lbr.c
index 68f822ecfa..06c10b96f5 100644
--- a/libavcodec/dca_lbr.c
+++ b/libavcodec/dca_lbr.c
@@ -1730,6 +1730,7 @@ int ff_dca_lbr_filter_frame(DCALbrDecoder *s, AVFrame *frame)
     const int8_t *reorder;
     uint64_t channel_mask = channel_layouts[ch_conf];
 
+    nchannels = av_popcount64(channel_mask);
     avctx->sample_rate = s->sample_rate;
     avctx->sample_fmt = AV_SAMPLE_FMT_FLTP;
     avctx->bits_per_raw_sample = 0;