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Git pushed a commit to branch master
in repository ffmpeg.

commit 9e71ea2d601d504204f43e88a9c64fd3c9f2dd2a
Author:     Tim Walker <[email protected]>
AuthorDate: Tue May 19 15:16:04 2026 +0200
Commit:     James Almer <[email protected]>
CommitDate: Wed May 20 12:31:15 2026 +0000

    avformat/movenc: write stsd v2 atom when nb_channels > 2
    Required by the QuickTime File Format specification.
---
 libavformat/movenc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 95b1e3a049..6d551bb930 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -1379,7 +1379,8 @@ static int mov_write_audio_tag(AVFormatContext *s, 
AVIOContext *pb, MOVMuxContex
     int ret = 0;
 
     if (track->mode == MODE_MOV) {
-        if (track->par->sample_rate > UINT16_MAX || 
!track->par->ch_layout.nb_channels) {
+        if (track->par->sample_rate > UINT16_MAX || 
!track->par->ch_layout.nb_channels ||
+            track->par->ch_layout.nb_channels > 2) {
             if (mov_get_lpcm_flags(track->par->codec_id))
                 tag = AV_RL32("lpcm");
             version = 2;

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