Support "VLB " audio in NSV files.

See samples/nsv/vlb_audio.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>

1 files changed, 6 insertions, 5 deletions

diff --git a/libavcodec/aacdec.c b/libavcodec/aacdec.c
index a046d991e6..2b2ae8a80d 100644
--- a/libavcodec/aacdec.c
+++ b/libavcodec/aacdec.c
@@ -2125,13 +2125,14 @@ static int parse_adts_frame_header(AACContext *ac, GetBitContext *gb)
         }
         if (!ac->avctx->sample_rate)
             ac->avctx->sample_rate = hdr_info.sample_rate;
-        if (hdr_info.num_aac_frames == 1) {
-            if (!hdr_info.crc_absent)
-                skip_bits(gb, 16);
-        } else {
+        if (!ac->warned_num_aac_frames && hdr_info.num_aac_frames != 1) {
+            // This is 2 for "VLB " audio in NSV files.
+            // See samples/nsv/vlb_audio.
             av_log_missing_feature(ac->avctx, "More than one AAC RDB per ADTS frame is", 0);
-            return -1;
+            ac->warned_num_aac_frames = 1;
         }
+        if (!hdr_info.crc_absent)
+            skip_bits(gb, 16);
     }
     return size;
 }