---
libavcodec/ac3dec.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/libavcodec/ac3dec.c b/libavcodec/ac3dec.c
index e9ed040..7172e63 100644
--- a/libavcodec/ac3dec.c
+++ b/libavcodec/ac3dec.c
@@ -1367,8 +1367,6 @@ static int ac3_decode_frame(AVCodecContext * avctx, void
*data,
s->out_channels = 2;
s->output_mode = AC3_CHMODE_STEREO;
}
- avctx->channels = s->out_channels;
- avctx->channel_layout = avpriv_ac3_channel_layout_tab[s->output_mode];
/* set downmixing coefficients if needed */
if (s->channels != s->out_channels && !((s->output_mode &
AC3_OUTPUT_LFEON) &&
@@ -1380,6 +1378,9 @@ static int ac3_decode_frame(AVCodecContext * avctx, void
*data,
return AVERROR_INVALIDDATA;
}
avctx->channels = s->out_channels;
+ avctx->channel_layout = avpriv_ac3_channel_layout_tab[s->output_mode &
~AC3_OUTPUT_LFEON];
+ if (s->output_mode & AC3_OUTPUT_LFEON)
+ avctx->channel_layout |= AV_CH_LOW_FREQUENCY;
/* set audio service type based on bitstream mode for AC-3 */
avctx->audio_service_type = s->bitstream_mode;
--
1.8.3.4 (Apple Git-47)
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