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Git pushed a commit to branch master
in repository ffmpeg.

commit 3654a14795fb67ef5bdc0702183fedf74fb356ba
Author:     James Almer <[email protected]>
AuthorDate: Mon Aug 24 23:05:57 2026 -0300
Commit:     James Almer <[email protected]>
CommitDate: Wed Aug 26 12:28:53 2026 -0300

    avcodec/libfdk-aacdec: add support for bottom front channels
    
    Same as the previous commit, actual samples with less than eight channels 
including
    these is very unlikely.
    
    Signed-off-by: James Almer <[email protected]>
---
 libavcodec/libfdk-aacdec.c | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/libavcodec/libfdk-aacdec.c b/libavcodec/libfdk-aacdec.c
index 9aa9ef5e09..41ff4887a6 100644
--- a/libavcodec/libfdk-aacdec.c
+++ b/libavcodec/libfdk-aacdec.c
@@ -151,12 +151,14 @@ static int get_stream_info(AVCodecContext *avctx, AVFrame 
*frame)
         channel_counts[ctype]++;
     }
     av_log(avctx, AV_LOG_DEBUG,
-           "%d channels - front:%d side:%d back:%d lfe:%d top:%d\n",
+           "%d channels - front:%d side:%d back:%d lfe:%d top:%d bottom %d\n",
            info->numChannels,
            channel_counts[ACT_FRONT], channel_counts[ACT_SIDE],
            channel_counts[ACT_BACK],  channel_counts[ACT_LFE],
            channel_counts[ACT_FRONT_TOP] + channel_counts[ACT_SIDE_TOP] +
-           channel_counts[ACT_BACK_TOP]  + channel_counts[ACT_TOP]);
+           channel_counts[ACT_BACK_TOP]  + channel_counts[ACT_TOP],
+           channel_counts[ACT_FRONT_BOTTOM] + channel_counts[ACT_SIDE_BOTTOM] +
+           channel_counts[ACT_BACK_BOTTOM]  + channel_counts[ACT_BOTTOM]);
 
     switch (channel_counts[ACT_FRONT]) {
     case 5:
@@ -275,6 +277,24 @@ static int get_stream_info(AVCodecContext *avctx, AVFrame 
*frame)
             break;
         }
     }
+    if (channel_counts[ACT_FRONT_BOTTOM] > 0) {
+        switch (channel_counts[ACT_FRONT_BOTTOM]) {
+        case 3:
+        case 2:
+            ch_layout |= AV_CH_BOTTOM_FRONT_LEFT | AV_CH_BOTTOM_FRONT_RIGHT;
+            av_fallthrough;
+        case 1:
+            if (channel_counts[ACT_FRONT_BOTTOM] & 1)
+                ch_layout |= AV_CH_BOTTOM_FRONT_CENTER;
+            break;
+        default:
+            av_log(avctx, AV_LOG_WARNING,
+                   "unsupported number of bottom front channels: %d\n",
+                   channel_counts[ACT_FRONT_BOTTOM]);
+            ch_error = 1;
+            break;
+        }
+    }
 
     av_channel_layout_uninit(&avctx->ch_layout);
     av_channel_layout_from_mask(&avctx->ch_layout, ch_layout);

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