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-rw-r--r--libavformat/riffenc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/riffenc.c b/libavformat/riffenc.c
index c670d303a6..5e858008f5 100644
--- a/libavformat/riffenc.c
+++ b/libavformat/riffenc.c
@@ -105,7 +105,7 @@ int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc, int flags)
if (enc->codec_id == AV_CODEC_ID_MP2) {
blkalign = frame_size;
} else if (enc->codec_id == AV_CODEC_ID_MP3) {
- blkalign = 576 * (enc->sample_rate <= 24000 ? 1 : 2);
+ blkalign = 576 * (enc->sample_rate <= (24000 + 32000)/2 ? 1 : 2);
} else if (enc->codec_id == AV_CODEC_ID_AC3) {
blkalign = 3840; /* maximum bytes per frame */
} else if (enc->codec_id == AV_CODEC_ID_AAC) {